VOLUNTARY CLEANUP PROGRAM APPLICATION
FOR
CES GRIGGS ROAD VCP SITE
CES ENVIRONMENTAL SERVICES 4904 GRIGGS ROAD
HOUSTON, TEXAS 77021
PREPARED BY:
PASTOR, BEHLING, & WHEELER, LLC 11231 RICHMOND AVENUE, D104
HOUSTON, TEXAS PROJECT NO. 4006
CES Environmental Services Voluntary Cleanup Program Application
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TABLE OF CONTENTS
1.0 SITE INFORMATION ................................................................................................................ 1-1
1.1 Site Location.......................................................................................................................... 1-1
1.2 Site Operational History ........................................................................................................ 1-1
1.3 Interactions with Regulatory Agencies .................................................................................. 1-2
1.3.1 Permits ................................................................................................................................ 1-3
1.3.2 Complaints and Inspections ............................................................................................... 1-3
1.3.3 Emergency Response ........................................................................................................ 1-3
1.4 Preliminary Assessment ....................................................................................................... 1-5
2.0 NATURE AND EXTENT OF CONTAMINATION AT THE SITE .............................................. 2-1
2.1 September 1996 Phase I and Phase II ESA ........................................................................ 2-1
2.2 October 2009 TCEQ Soil Samples ....................................................................................... 2-2
2.3 August 2010 Phase II ESA ................................................................................................... 2-2
2.4 January 2011 Phase II ESA .................................................................................................. 2-3
2.5 January 2014 Site Soil Data ................................................................................................. 2-3
2.6 August 2014 Residential Soil Data ....................................................................................... 2-4
3.0 POTENTIAL FOR HUMAN EXPOSURE TO CONTAMINATION AT THE SITE ..................... 3-1
3.1 Potential for On-Site Exposure ............................................................................................. 3-1
3.2 Potential for Off-Site Exposure ............................................................................................. 3-2
4.0 REFERENCES .......................................................................................................................... 4-1
LIST OF TABLES
Table 1 Summary of Waste Sludge Data
Table 2 Summary of Waste Liquid Data
Table 3 Summary of Site Soil Data
Table 4 Summary of Off-Site Soil Data
Table 5 Summary of Groundwater Data
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LIST OF FIGURES
Figure 1 Site Location Map
Figure 2 Site Map
Figure 3 Sample Location Map
ATTACHMENTS
Attachment 1 Preliminary Assessment CES Environmental Services
Attachment 2 Phase I and Limited Phase II Environmental Site Assessment, 1996
Attachment 3 October 1, 2009 Soil Sample Data (TCEQ)
Attachment 4 Phase II Environmental Site Assessment CES Environmental Services (2010)
Attachment 5 Phase II Environmental Site Assessment Holiday Place Townhome Lots (2011)
Attachment 6 January 8, 2014 Soil Sample Data (IKON Solutions)
Attachment 7 August 5, 2014 Residential Soil Data (EPA)
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1.0 SITE INFORMATION
The CES Griggs Road VCP Site (CES Environmental Services facility) (the “Site”) is a former industrial cleaning, waste recycling, and waste disposal facility located at 4904 Griggs Road, Houston, Harris County, Texas. This document is an attachment to the CES Griggs Road Voluntary Cleanup Program (VCP) application dated April 8, 2015 and provides the information requested by the Texas Commission of Environmental Quality (TCEQ) pursuant to 30 Texas Administrative Code (TAC) 361.604(c).
CES operated between 2002 and August 2010. On August 13, 2010, CES filed for Chapter 11 bankruptcy and operations at the Site appear to have ceased at that time. On October 13, 2010, the bankruptcy case was converted to a Chapter 7 liquidation proceeding.
1.1 Site Location
The Site is comprised of approximately 7.9 acres located in southeast Houston, approximately one mile north of Interstate Loop 610 (Figure 1). The Site consists of three properties: 4904 Griggs Road, 5910 Wayland Street, and 4900 Griggs Road Street (Figure 2). The Site is located in a mixed residential/commercial area with residential properties bordering the eastern and southern boundaries. A charter school is located on the western Site boundary.
The Site contains:
1. an administration building
2. metal warehouses
3. above ground storage tanks (ASTs)
4. Waste containers such as vacuum boxes, frac tanks, tanker trailers, roll-off boxes, drums/totes, and vats.
Attachment 2 to the VCP Application contains the legal description for the Site.
1.2 Site Operational History
Prior to industrial development, the property was used for agriculture (WCM, 1996). The Younger family purchased the property in the early 1940’s. According to the Harris County Appraisal District Records (HCAD, 2014), the following companies owned the 4904 Griggs Road Property:
Younger Transportation to December 31, 1988
Younger Brothers, Inc. to August 18, 1998
Suttles Truck Leasing, Inc. to June 11, 2002
CES Environmental Services
The following owned the 5910 Wayland Street property:
Walt Ramsey to October 23, 2006
Jose Galera to December 15, 2006
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CES Environmental Services
The following owned the 4900 Griggs Road property (HCAD, 2014):
Gary Jones to January 2, 1995
Hunt Isaiah to October 11, 2006
CES Environmental Services
According to the TCEQ Central Registry (TCEQ, 2014c), the following entities are associated with 4904 Griggs Road:
Younger Transportation, Inc. (CN600400956)
Younger Brothers, Inc (CN600262067)
CES Environmental Services (CN600618946)
Two underground storage tanks (UST) were registered to Younger Brothers. One tank was filled in place in 1976 and the second tank was removed in 1998.
The entities listed below are associated with 5910 Wayland Street in the TCEQ Central Registry records.
Bluebonnet Petrochemical (CN603776758)
J&J Container Manufacturing (CN601491210)
SKS Stricker LLC (CN603578022)
Tornado Waste (CN603021577)
The entity listed below is associated with 4900 Griggs Road in the TCEQ Central Registry records.
Tony’s Bar Supply Company (CN600996201)
An UST was registered to Tony’s Bar Supply and, according to the TCEQ Central Registry, the UST was removed in 1989.
Younger Brothers, Inc. operated the facility as a tank truck terminal (WCM, 1996). Operations included dispatch, storage, routine maintenance, and internal and external washing of tank trucks that hauled a variety of petrochemical substances.
CES cleaned truck trailers, roll-off boxes, totes and other transportation equipment. Materials within the equipment included petroleum products, paint thinners, solvents, and acids. CES also recycled motor oil and solvents such as acetone, methyl ethyl ketone, and methylene chloride. The company processed sodium sulfide, sodium hydroxide, and naphthenic acid solutions and treated industrial wastewater at the Site (TCEQ, 2014a).
1.3 Interactions with Regulatory Agencies
Regulatory agencies have permitted Site activities and emissions, as well as responding to public complaints, performing compliance investigations, and emergency removal activities.
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1.3.1 Permits
Below is a brief summary of State and federal identifications, permits, and registrations applicable to the Site, including the status of each identification, permit, and registration (TCEQ, 2015a).
Program Identification Number Status
Air Emissions Inventory and Account Number HG1270B Active
Air New Source Permit (Registration) 15980 Active
Air New Source Permit (Registration) 44513 Active
Air New Source Permit (Registration) 75375 Active
Air New Source Permit (Registration) 83191 Active
Air New Source Permit (Registration) 83798 Active
Air New Source Permit (Registration) 84713 Active
Air New Source Permit (Registration) 86272 Active
Air New Source Permit (Registration) 86772 Active
Air New Source Permit (Registration) 87156 Cancelled
Air New Source Permit (Registration) 87815 Cancelled
IHW Corrective Action Solid Waste Registration 30900 Inactive
Industrial and Hazardous Waste Registration TXD008950461 Active
Industrial and Hazardous Waste Permit 39048 Cancelled*
Sludge Registration 23198 Cancelled
Stormwater Permit TXR05T850 / TXRNEP950 Expired
Used Oil Identification TXD008950461 Active
Used Oil Registration A85775 / C87443 Inactive * The Chapter 7 Bankruptcy Trustee relinquished operating permits for the Site to enable Site cleanup.
1.3.2 Complaints and Inspections
Between 2005 and 2009, the City of Houston responded to odor and emission complaints by nearby residents (TCEQ, 2014a). During this period, four major events occurred at the Site:
October 2, 2008 – tanker trailer fire;
December 6, 2008 – thermal oxidizer explosion;
December 16, 2008 – carbon scrubber control equipment explosion; and
July 7, 2009 – tanker trailer explosion.
In addition, the TCEQ conducted several compliance inspections between 2008 and 2010.
1.3.3 Emergency Response
As discussed in the Justification Assessment for State-Funded Cleanup (TCEQ, 2014a), several incidents occurred at the Site in 2014, which resulted in the release of waste materials. In May 2014, vandals damaged the security fence and emptied several waste containers onto the ground. Subsequently, heavy rainfall resulted in the release of waste to off-site areas. In an effort to prevent
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further off-site releases, the Bankruptcy Trustee constructed a berm in the low-lying areas of the Site and attempted to repair leaking containers.
On April 22, 2014, the TCEQ emergency response contractor mobilized to the Site, and secured the Wayland Street gate, placed absorbent berms at the loading bay entrances to the warehouse and washout building, diked the entrances to the tank farm secondary containment, covered open containers, and covered the dumped materials with plastic sheeting.
In late July and early August 2014, vandals removed portions of the security fence and opened a valve on a tanker truck trailer, releasing an unknown quantity of waste. A second off-site release occurred after a heavy rainfall. Response actions were conducted by the City of Houston, the TCEQ’s emergency response contractor, and the United States Environmental Protection Agency (EPA). These response actions included the removal and disposal of the off-site waste, the construction of physical controls to decrease off-site releases, and the repair of the security fence. In August 2014, USEPA and their emergency response contractor, mobilized to initiate the removal and disposal of hazardous wastes and substances contained in approximately 22 ASTs, two roll-off boxes, 12 frac tanks, 11 vacuum boxes, two tanker trailers, 224 totes/drums, and other containers located at the Site.
As of May 8, 2015, EPA had completed the following removal action tasks (Moore, 2015):
1. Vacuum and roll-off boxes: wastes were removed and sent for disposal and original containers were removed from the Site.
2. Frac tanks: wastes were removed from nine of the twelve frac tanks (three were empty), sent for disposal and original containers rented by CES were removed from the Site.
3. ASTs: liquids and sludges were removed from the 20 steel ASTs and the three poly tanks. The secondary containment for the tank farms were cleaned of oily materials; however residual oil remains under the tanks which needs periodic maintenance.
4. Waste water treatment plant (WWTP) tanks: liquids and sludge were removed from 19 of the 20 tanks and accumulated liquids within the secondary containment were removed. One tank containing lime needs disposal of the contents. The secondary containment for the WWTP requires cleaning to remove sludge and the piping needs to be inspected for waste.
5. Totes/Drums/Miscellaneous containers: Wastes have been bulked and either disposed or awaiting disposal. The majority of empty totes, drums, and miscellaneous containers have been cleaned (pressure washed), cut up, disposed or packaged for disposal. The remaining containers were retained for other tasks.
6. Loading and truck cleaning bays: bays were cleared of debris, wastes and sludge. Final cleaning of the bays remains.
7. Storm water management: contaminated sediments and solids were removed as necessary to ensure that accumulated stormwater did not have a sheen. Storm water drains through silt barriers and absorbent boom prior to discharge to the City of Houston storm sewer. Two 4-inch pipes with ball valves were placed in the sedimentation pond to allow drainage in the event the water reaches approximately 2 feet in height.
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As of May 11, 2015, TCEQ completed the following removal action tasks (Andrews, 2015):
1. Removed 15,000 gallons of waste water in frac tank 1004.
2. Transported and disposed of 12 vacuum boxes of used oil from the north tank farm tanks.
3. Transported and disposed of 34 drums and six totes of materials removed from the south tank farm tanks.
Tables 1 and 2 summarize the analytical data for the waste at the Site. Waste materials are characteristically hazardous for corrosivity, chromium, lead, benzene, and/or cresols (EPA, 2014c). Waste constituents include benzene, 1,2-dichloroethane, 1- and 2-methylnapthalene, bis(2-ethylhexyl)phthalate, polycyclic aromatic hydrocarbons (PAHs), lead, mercury, and total petroleum hydrocarbons (TPH).
1.4 Preliminary Assessment
The TCEQ completed the Preliminary Assessment (PA) for the Site in January 2015 (TCEQ, 2015b). The PA is included as Attachment 1 to this report. The goals for the Preliminary Assessment were to:
1. Determine the potential threat to public health or the environment posed by the Site;
2. Determine the potential for a release of hazardous constituents into the environment; and
3. Determine the potential for placement of the Site on the National Priorities List.
The PA documents the Site ownership, operations and waste characteristics, previous investigations, waste sources, and migration exposure pathways, including groundwater, surface water, soil, and air pathways.
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2.0 NATURE AND EXTENT OF CONTAMINATION AT THE SITE
Four sampling events have occurred at the Site. In addition, one set of soil and groundwater samples was collected as part of a Phase II Environmental Site Assessment (ESA) at the former Holiday Townhomes property located immediately west of the Site (currently used as a recreational area for the adjacent charter school). EPA collected surface soil samples in the residential neighborhood south of the Site after the stormwater release in August 2014. This section discusses the analytical results of on-site and off-site investigations and compares the data to the Texas Risk Reduction Program (TRRP) residential protective concentration levels (PCLs) (TCEQ, 2014b).
2.1 September 1996 Phase I and Phase II ESA
In September 1996, a Phase I and limited Phase II ESA was conducted on the Site when it was owned by Younger Brothers and operated as a truck terminal (WCM, 1996). The report is provided in Attachment 2. Analytes detected in soil samples are summarized in Table 3.
The report documented the presence of an underground storage tank (UST), an inactive tank truck cleaning rack, an active cleaning rack, and a shop building. Two USTs were formerly registered at the Site. The report stated that an inactive Class III landfill was believed present under approximately 0.5-acre of the property. According to a former Younger Brothers employee, the “landfill” was a gully that was filled with brick, glass, scrap metal and other inert materials. The gully was located in the northern portion of the Site. The gully is shown in the 1945 aerial photograph contained in the ESA.
Eleven borings were advanced in various locations throughout the Site, including near the UST, the cleaning racks, a hazardous waste storage trailer, and near the location of the backfilled gully. Soil samples were collected from the borings and one boring (SB-1), near the UST, was converted to a temporary monitoring well. Two grab samples were collected from soil piles along the Wayland Street right of way.
The soil samples collected near the UST (SB-1 and SB-2) were analyzed for TPH and BTEX. Ethylbenzene and total xylene concentrations were less than the TRRP residential PCLs (TCEQ, 2014b). Benzene and toluene were not detected in the soil samples. The maximum TPH concentration of 1,800 milligram/kilogram (mg/kg) potentially exceeded the residential PCLs for the soil leaching to groundwater ingestion (GWSoilIng) pathway and the total soil combined pathway (TotSoilComb). This sample was analyzed by EPA Method 418.1 and the data cannot be directly compared to the TPH PCLs.
The groundwater sample collected from SB-1 was also analyzed for TPH and benzene, toluene, ethylbenzene, and total xylenes (BTEX). TPH and BTEX were not detected in the groundwater sample.
Other soil samples were analyzed for TPH, volatile organic compounds (VOCs), and semivolatile organic compounds (SVOCs). A maximum TPH concentration of 75 mg/kg was reported for a sample collected near a cleaning rack. The remaining TPH concentrations were less than the residential PCLs. Two VOCs, chlorobenzene and cis-1,2-dichloroethene, were detected in two samples at concentrations less than the residential PCLs. One SVOC, di-n-octyl phthalate, was detected in one soil sample at a concentration less than the applicable residential PCL.
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In addition to TPH, VOC, and SVOC analyses, four samples were analyzed for Resource Conservation and Recovery (RCRA) metals. Barium, chromium, and lead were detected in the four samples at concentrations less than the Texas-specific soil background concentrations (30 TAC 350.51(m)).
2.2 October 2009 TCEQ Soil Samples
On October 1, 2009, TCEQ collected eight surface soil samples (0 to 6-inches) around the perimeter of the Site (Figure 3). Samples were analyzed for VOCs, SVOCs, and metals (TCEQ, 2009). Table 3 summarizes analytes detected in soil samples and Attachment 3 contains the laboratory report.
Except for methylene chloride, VOCs were not detected in the surface soil samples. Methylene chloride was detected in six of the eight soil samples; however, it was also detected in the associated laboratory blank. PAHs and phthalate esters (common field and laboratory contaminants) was detected in the soil samples. Concentrations were below the TRRP residential PCLs.
Selenium and silver were not detected in the samples and chromium concentrations were below the residential PCLs. Arsenic, lead, and mercury concentrations exceeded the Texas-specific soil background concentrations (30 TAC 350.51(m)). The Texas-specific soil background concentrations are used for these comparisons because the GWSoilIng PCLs are lower than background. One cadmium and two barium concentrations exceeded the GWSoilIng PCLs. Other than arsenic, metals concentrations were below the TotSoilComb PCLs. Except for one location, arsenic concentrations were below the TotSoilComb PCLs for residential exposure. The arsenic concentration of 26.9 mg/kg in soil sample 013063-07 collected from the southwest corner of the property slightly exceeded the TotSoilComb of 24 mg/kg.
2.3 August 2010 Phase II ESA
In July 2010, Enercon Services conducted a Phase II ESA to evaluate property conditions for Bank of America (Enercon, 2010). Thirteen soil borings were advanced to a depth of 20 feet bgs (Figure 3) and samples were collected from the interval of the highest organic vapor meter (OVM) reading and at the terminal depth of each boring. Soil borings indicated the presence of clay to approximately 14 to 20 feet below ground surface (bgs). Sand, if present, was encountered approximately 14 to 20 feet bgs.
Soil samples were analyzed for VOCs, SVOCs, TPH, and RCRA metals. A temporary monitoring well was installed at SB-2; however no groundwater accumulated in the well during the day so a groundwater sample was not collected. Soil data are summarized in Table 3. The Phase II ESA is provided as Attachment 4.
Soil sample concentrations were less than the TotSoilComb PCLs for residential exposure.
TPH was detected in one sample at concentrations less than the residential PCLs. Arsenic concentrations in three samples exceeded the Texas-specific soil background concentration of 5.9 mg/kg (30 TAC 350.51(m)). Lead concentrations in five samples also the exceeded Texas specific soil background concentration of 15 mg/kg. Barium and mercury concentrations in one sample
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exceeded the applicable Texas-specific soil background concentrations. Cadmium, chromium, selenium, and silver concentrations were less than the residential GWSoilIng PCLs.
PAHs were detected in three soil boring samples. Concentrations were less than the residential PCLs for the GWSoilIng pathway.
Eight VOCs, acetone, n-butylbenzene, sec-butylbenzene, carbon disulfide, 1,1-dichloroethane, cis-1,2-dichloroethene, methyl-tert butyl ether (MTBE) and methylene chloride, were detected in at least one soil sample. Other than methylene chloride, soil concentrations of the other VOCs were less than the residential PCLs for the GWSoilIng pathway. Methylene chloride concentrations ranged from 0.0034 to 0.0165 mg/kg. However, methylene chloride, a common VOC laboratory contaminant, was detected in the associated laboratory blanks at 0.005 mg/kg and these detections would be qualified as non-detect.
2.4 January 2011 Phase II ESA
In December 2010, TGE Resources, Inc. (TGE) conducted a Phase II ESA at the former Holiday Townhomes property, located immediately west of the facility (TGE, 2011). Three soil borings were advanced to 36 feet bgs and temporary wells were installed in the borings (Figure 3). Two of the borings were installed adjacent to the CES property fence line. One soil sample and one groundwater sample were collected from each soil boring; samples were analyzed for VOCs, TPH, and RCRA metals. Soil and groundwater sample data are summarized in Tables 4 and 5, respectively. The Phase II ESA is provided as Attachment 5.
VOCs and TPH were not detected in the soil and groundwater samples.
Metals concentrations were less than the residential TotSoilComb PCLs. Other than lead, soil metals concentrations were below the higher of the Texas-specific soil background concentration or the GWSoilIng PCLs. Lead concentrations in the three soil samples ranged from 23.7 to 61.2 mg/kg, higher than the Texas-specific soil background concentration of 15 mg/kg.
Other than lead and chromium, groundwater metals concentrations were less than the residential GWGWIng PCLs. The lead concentrations ranged from 0.00083 to 0.025 mg/L and the chromium concentrations ranged from 0.00148 to 0.116 mg/L. The lead and chromium GWGWIng PCLs are 0.015 and 0.1 mg/L, respectively. TGE attributed the lead and chromium exceedances in TSB2 to the naturally occurring suspended sediment in the temporary well.
2.5 January 2014 Site Soil Data
In January 2014, the Bankruptcy Trustee collected four surface soil (0- to 1-feet bgs) samples from the AST tank farms (Figure 3) (IKON, 2014). Samples were analyzed for VOCs, SVOCs, and RCRA metals. Sample detections are summarized on Table 3 and the laboratory report is provided as Attachment 6.
Soil sample concentrations were less than the residential PCLs for the TotSoilComb pathway.
The only SVOC detected in the soil samples was bis(2-ethyl)hexyl phthalate. The only VOCs detected in the soil samples were 1,2,4-trimethylbenzene, acetone, benzene, carbon disulfide,
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ethylbenzene, methyl ethyl ketone, and MTBE. Soil concentrations were less than the residential PCLs for the GWSoilIng pathway.
One arsenic, three lead, and three mercury concentrations exceeded the Texas-specific soil background concentrations. Two barium concentrations exceeded the GWSoilIng PCLs. The remaining metals concentrations were below the higher of the Texas-specific soil background concentrations or the residential GWSoilIng PCLs.
2.6 August 2014 Residential Soil Data
In August 2014, after the storm water release from the Site, EPA collected nine surface soil samples from residential yards along Kingsbury Street south of the Site (Figure 3) (EPA, 2014a). Samples were analyzed for herbicides, pesticides, polychlorinated biphenyls (PCBs), SVOCs, target analyte list (TAL) metals, TPH, and VOCs. Data are summarized in Table 4 and the laboratory report is contained in Attachment 7.
Soil sample concentrations were less than the residential PCLs for the TotSoilComb pathway.
Herbicides and PCBs were not detected in the soil samples. The only pesticides detected were alpha- and gamma-chlordane at concentrations less than the residential PCLs for the GWSoilIng pathway.
Of the 21 metals detected in the soil samples, only the arsenic, beryllium, lead, and mercury concentrations exceeded the higher of the Texas-specific soil background concentration or the GWSoilIng PCLs.
One VOC, acetone, was detected in three samples at concentrations ranging from 0.0194 to 0.0711 mg/kg. Seven VOCs, 1,2,4-trimethylbenzene, 1,3,5-trimethylbenzene, carbon disulfide, ethylbenzene, methyl ethyl ketone, toluene, and total xylenes, were detected at location CES-CS-01-51, the soil sample collected in the ditch leading from the Site (Figure 3). Concentrations of these VOCs were all less than the residential PCLs for the GWSoilIng pathway.
Four SVOCs, benzo(b)fluoranthene, bis(2-ethylhexyl) phthalate, fluoranthene, and pyrene, were detected in soil samples with concentrations less than the residential PCLs for the GWSoilIng pathway.
TPH was only detected at location CES-CS-01-51; concentrations were slightly higher than the residential PCLs for the GWSoilIng pathway.
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3.0 POTENTIAL FOR HUMAN EXPOSURE TO CONTAMINATION AT THE SITE
This section discusses the potential for on-site and off-site exposures to COCs reported in the soil and groundwater data summarized in Section 2.
3.1 Potential for On-Site Exposure
EPA and TCEQ are performing a waste removal action to stabilize the Site. The goal is to remove waste materials to reduce potential off-site waste migration to the adjacent residences and school as well as on-site exposure to trespassers (EPA, 2014b). The EPA budget for the removal action is $2,000,000 and the TCEQ has agreed to pay up to $500,000 for waste disposal (EPA, 2014b and TCEQ, 2014a). The Site is currently inactive and the only authorized personnel present on the Site are EPA contractors removing waste materials. This work is conducted under a Health and Safety Plan that specifies monitoring requirements and personal protective equipment to minimize exposure. EPA and TCEQ have secured the Site and enlisted the cooperation of the neighbors to reduce trespasser intrusions.
Based on the 2009 to 2014 data described previously, potential exposure to Site workers appears limited. However, no soil or groundwater samples have been collected at the Site since the May and August 2014 vandalism which resulted in the release of wastes onto Site soils. In addition, several deteriorated waste containers were identified at the Site; soil and groundwater samples have not been collected at these locations.
VOC and SVOC concentrations are less than the residential TotSoilComb PCLs. One TPH and one arsenic concentration exceeded their respective TotSoilComb PCLs.
One TPH concentration, 1,800 mg/kg, for a soil sample collected in 1996 from 2- to 4-feet bgs adjacent to an UST, potentially exceeded the residential PCL for the GWSoilIng pathway. However, this concentration from the EPA Method 418.1 analysis cannot be directly compared to the TRRP PCLs.
The arsenic concentration of 26.9 mg/kg in a soil sample collected from the southwest corner of the property in 2009 slightly exceeded the residential TotSoilComb PCL of 24 mg/kg. This concentration is less than the commercial/industrial PCL of 200 mg/kg.
Other than one methylene chloride concentration which would be qualified as non-detect, VOC and SVOC concentrations in soil samples collected from the Site are less than the residential PCLs for the GWSoilIng pathway.
Arsenic, barium, lead, and mercury concentrations exceeded the higher of the Texas-specific soil background concentrations or the residential GWSoilIng PCLs. One cadmium concentration exceeded the residential GWSoilIng PCL.
Only one groundwater sample was collected from the Site. The sample was collected in 1996 and analyzed for BTEX and TPH, which were not detected.
According to the PA (TCEQ, 2015b), drinking water is supplied by the City of Houston so currently there is no exposure to groundwater that may be impacted by the potential for soil leaching from metals.
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3.2 Potential for Off-Site Exposure
The limited available off-site soil data described previously do not appear to indicate a significant potential for off-site exposure to COCs resulting from Site activities. Soil samples were collected from the vacant lot (currently used by the school as a recreational area) (TGE, 2011). Residential yards south of the Site (EPA, 2014a) were sampled after the off-site release of stormwater. No analyte concentrations exceeded the residential TotSoilComb PCLs.
The TPH concentration in a soil sample collected from the ditch leading from the Site exceeded the residential GWSoilIng PCL (EPA, 2014a). Arsenic, beryllium, lead, and mercury concentrations exceeded the residential soil leaching to groundwater ingestion (GWSoilIng) PCLs in several off-site samples.
Lead and chromium concentrations in one off-site groundwater sample exceeded the residential GWGWIng PCLs (TGE, 2011). TGE attributed these concentrations to the naturally occurring suspended sediment in the temporary well.
According to the PA, drinking water to the residences and school is supplied by the City of Houston and as such there would be no exposure to groundwater that may be impacted by either the potential for soil leaching from metals or by metals concentrations in groundwater.
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4.0 REFERENCES
Andrews, Terry (Andrews). 2015. Verbal communication from Terry Andrews (TCEQ Superfund Section Team Leader) to Brenda Basile (PBW) on May 11, 2015.
Enercon Services (Enercon). 2010. Phase II Environmental Site Assessment, CES Environmental Services, 4904 Griggs Road, Houston, Texas 77021. August 17, 2010.
Harris County Appraisal District. 2015. Records for Account Numbers 0461220000008 and 0461220000010. http://www.hcad.org/records
Ikon Solutions (IKON). 2014. Soil Sample Data. Accutest Laboratory Report TC42161.
Moore, Gary (Moore). 2015. Email communication from Gary Moore (EPA On-Scene Coordinator) to Brenda Basile (PBW). Progress report dated May 8, 2015.
Texas Commission on Environmental Quality (TCEQ). 2009. Soil Sample Data. Accutest Laboratory Report T390907.
Texas Commission on Environmental Quality (TCEQ). 2014a. Justification Assessment for State Funded Cleanup. September 26, 2014.
Texas Commission on Environmental Quality (TCEQ). 2014b. Protective Concentration Levels. November 12, 2014. http://www.tceq.state.tx.us/remediation/trrp/trrppcls.html
Texas Commission on Environmental Quality (TCEQ). 2014c. Central Registry Records for 4904 Griggs Road and 5910 Wayland Street. http://www15.tceq.texas.gov/crpub/
Texas Commission on Environmental Quality (TCEQ). 2015a.TCEQ Central Registry Query – Regulated Entity Information. Query Dated May 12, 2015.
Texas Commission on Environmental Quality (TCEQ). 2015b. Preliminary Assessment CES Environmental Services, Houston, Harris County, Texas, TXD008950461.
TGE Resources, Inc. (TGE). 2011. Phase II Environmental Site Assessment, Holiday Place Townhome Lots, East of Calhoun Road and South of Griggs Road, Houston, Harris County, Texas. January 4, 2011
U. S. Environmental Protection Agency (USEPA). 2014a. Soil Sample Data. Accutest Laboratory Reports TC52724 and TC52720. http://www.epaosc.org/site/doc_list.aspx?site_id=9216
U. S. Environmental Protection Agency (USEPA). 2014b. CES Environmental Services, Inc. Site Proposed Removal Action. December 2014. http://www.epa.gov/region6/6sf/texas/ces-tx-proposed-removal-action-12-14.pdf
U. S. Environmental Protection Agency (USEPA). 2014c. Waste Classification and RCRA Code Summary. Personal Communication Gary Moore, EPA On-Scene Coordinator, to Brenda Basile, Pastor, Behling & Wheeler, LLC.
The WCM Group (WCM). 1996. Phase I and Limited Phase II Environmental Site Assessment for the Evaluation of Recognized Environmental Conditions at Younger Brothers, Inc. Truck Terminal. September 27, 1996.
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TABLES
Table 1 Summary of Waste Sludge Data
Table 2 Summary of Waste Liquid Data
Table 3 Summary of Site Soil Data
Table 4 Summary of Off-Site Soil Data
Table 5 Summary of Groundwater Data
Table 1
Summary of Waste Sludge Data
CES Environmental Services
FT‐1004 FT‐506 S. Containment N‐Tank 8 S. Tank 5 S. Tank 1/3/6
8/29/2014 8/29/2014 8/29/2014 9/23/2014 9/25/2014 10/1/2014
1,2,4‐Trimethylbenzene 1.11 25.8 8.96 229 75.6 637
1,3,5‐Trimethylbenzene 0.271 34.3 2.66 74.6 17 111
4‐Methyl‐2‐pentanone <0.32 < 3.2 <0.320 <62 <6.2 10.7 J
Acetone 3.02 13.7 0.799 J <99 <9.9 57.3
Benzene < 0.034 6.48 0.657 1,540 12.5 73.7
Carbon disulfide 0.983 0.328 0.181 J <5.8 <0.580 3.69 J
Chlorobenzene < 0.047 < 0.47 0.615 <9.2 3.83 J <0.930
Chloroform < 0.022 < 0.22 <0.022 <4.3 <0.430 9.62
Ethylbenzene 0.311 29.4 6.21 326 58.2 654
Isopropylbenzene 0.0753 9.61 1.00 18.3 J 10.7 43.3
Methyl ethyl ketone 0.477 3.37 <0.250 <50 8.77 J 46.4
Methyl tert‐butyl ether < 0.025 < 0.25 <0.025 33.1 J <0.500 <0.510
Naphthalene 1.11 73.6 63.1 2,020 107 911
n‐Butylbenzene < 0.022 < 0.22 2.95 11.8 J 24.8 135
n‐Propylbenzene 0.130 23.8 1.36 76.8 10.2 69.0
p‐Isopropyltoluene 0.0859 13.6 0.457 <13 2.56 J 18.0
sec‐Butylbenzene 0.100 19.9 0.459 19.8 J 2.70 J 18.7
Styrene < 0.046 16 <0.046 656 15.1 <0.920
Tetrachloroethene < 0.051 <0.51 0.105 J <10 <1.0 4.18
Toluene 0.253 28.7 7.76 1,070 108 3,800
Trichloroethene < 0.023 < 0.23 <0.023 <4.6 <0.460 0.946 J
Xylenes (Total) 2.88 121 154 510 299 3,370
1‐Methylnaphthalene 1.95 576 <61 1,570 8.86 J 264 J
2‐Chlorophenol 0.493 < 72 <70 < 35 < 7.2 < 140
2,4,6‐Trichlorophenol 3.02 < 43 <42 <21 <4.3 <84
2,4‐Dimethylphenol 275 < 57 <55 350 <5.7 <110
2‐Methylnaphthalene 3.17 889 <61 2,000 14.2 J 465
2‐Methylphenol 824 < 72 <71 249 <7.2 165 J
3&4‐Methylphenol 551 < 72 <70 1,040 <7.2 146 J
4‐Chloro‐3‐methylphenol < 0.23 < 57 <56 <27 10.4 J <110
Acenaphthene < 0.24 < 47 <46 232 <4.7 <91
Acenaphthylene < 0.23 < 45 <44 243 <4.5 <86
Anthracene < 0.28 < 42 <41 110 <4.2 <81
Benzoic acid < 2.0 < 260 <260 <130 58.8 J <510
Benzyl alcohol < 0.18 < 65 <64 <31 13.8 J <130
Chrysene < 0.31 < 71 <69 35.7 J <7.1 <140
Dibenzofuran < 0.25 < 54 <53 36.5 J <5.4 <100
bis(2‐Ethylhexyl)phthalate < 0.29 < 130 <130 <64 17.3 <260
Fluoranthene < 0.28 < 55 <54 59.3 J <5.5 <110
Fluorene < 0.25 73.8 <48 383 <4.9 <95
Naphthalene 4.03 265 113 J 7,280 45.6 2,510
N‐Nitrosodiphenylamine < 0.28 < 47 143 J 57.5 J 17.4 <91
Phenanthrene 0.526 226 <46 598 <4.7 <91
Phenol 364 < 76 <74 586 12.1 J 321
Pyrene 0.331 < 74 <72 131 <7.4 <140
Analyte
VOCs by Method 8260
SVOCS by Method 8270
Page 1 of 9 EPA CES Data.xlsx: Tank Solids
Table 1
Summary of Waste Sludge Data
CES Environmental Services
FT‐1004 FT‐506 S. Containment N‐Tank 8 S. Tank 5 S. Tank 1/3/6
8/29/2014 8/29/2014 8/29/2014 9/23/2014 9/25/2014 10/1/2014Analyte
Aluminum 5.9 J 63.2 1,730 528 1,190 2,710
Antimony < 0.16 3.3 1.4 1.6 1.2 13.7
Arsenic < 0.16 8.1 0.84 2.1 0.44 4.4
Barium 0.28 J 191 383 106 601 1,030
Beryllium < 0.062 < 0.063 <0.034 <0.035 <0.034 0.050 J
Cadmium 0.024 J 0.065 J 0.32 0.22 0.26 1.6
Calcium 255 J 3,370 1,580 1,600 1,710 3,170
Chromium 0.41 J 7.2 7.6 11.7 7.7 50.4
Cobalt 0.86 J 0.63 J 0.84 J 3.3 0.95 J 7.1
Copper 0.23 J 13.4 21.4 107 48.8 579
Iron 39.5 4,430 1,430 3,530 1,650 7,030
Lead < 0.20 8.2 5.1 19.6 7.1 134
Magnesium 11.3 J 31.6 J 61.7 J 465 77.6 J 96.8 J
Manganese 4.0 27.4 13.5 28.7 12.7 40.4
Mercury 0.049 1.8 1.4 0.70 0.77 91.9
Nickel 2.4 J 4.1 11.8 73.3 10.5 41.3
Potassium 200 J 44.1 J 29.7 J 102 J 67.6 J 1,370
Selenium 0.20 J 0.18 J 0.19 J 0.38 0.12 J 0.93
Silver < 0.063 < 0.064 0.34 J 0.12 J 0.30 J 1.1
Sodium 14,200 1,150 525 809 832 1,310
Vanadium 0.12 J 0.74 J 2.4 J 4.7 2.0 J 36.2
Zinc 2.1 16.6 449 205 623 519
TPH (C6‐C12) 2,470 36,000 14,000 574 581 J 76,700
TPH (>C12‐C28) 9,500 200,000 285,000 1,020 2,480 150,000
TPH (>C28‐C35) 868 3,900 81,000 301 1,660 73,300
TPH (C6‐C35) 12,800 240,000 380,000 1,900 4,720 303,000
Notes:
Concentrations presented in milligrams per kilogram (mg/kg) < ‐ Analyte reported as non‐detect by laboratory at associated method detection limit (MDL)
Bolded values are concentrations detected above the MDL
J ‐ Reported concentration is estimated
Metals by Method 6010
TPH by TX 1005
Page 2 of 9 EPA CES Data.xlsx: Tank Solids
Table 2
Summary of Waste Liquid Data
CES Environmental Services
CES‐CS‐
Tank 407
CES‐CS‐
Tank 408
Dana
FT30335
Dana
FT30338
Dana
FT33529
Dana
FT215005
Dana
FT215012FT‐1001 FT‐1002 N‐Tank 7
N. Tank
9/10OT‐2 OT‐3 OT 4/5 OT‐6
S. Tank
1/3/6S. Tank 2 S. Tank 5 S. Tank 7 S. Tank 8 WMU‐123
WWT 1/4/5
+ VATWWT‐3
WWT
6/7/8
WWT
9/10/12WWT‐13
8/7/14 8/7/14 11/13/14 11/13/14 11/13/14 11/13/14 11/13/14 8/28/14 8/29/14 9/23/14 9/26/14 9/24/14 9/23/14 9/26/14 9/23/14 10/1/14 9/25/14 9/25/14 9/24/14 9/25/14 9/24/14 10/2/14 10/1/14 10/2/14 10/2/14 10/1/14
1,2,4‐Trimethylbenzene NA NA 1.38 0.0335 1.70 0.861 1.54 0.163 0.0032 J 46.3 2.28 18.6 62.5 9.09 15 17.9 33.7 3.83 3.64 58.1 4.10 < 0.0032 0.0669 < 0.0032 <0.0064 0.0102 J
1,2‐Dichloroethane <0.018 <0.018 < 0.070 < 0.0018 < 0.035 < 0.018 < 0.018 < 0.0018 <0.0018 <0.035 <0.018 <0.035 2.98 <0.0070 <0.034 <0.035 <0.088 <0.018 <0.034 <0.070 <0.035 < 0.0035 <0.0070 < 0.0035 <0.0070 <0.0070
1,3,5‐Trimethylbenzene NA NA 0.364 0.0103 0.416 0.26 0.431 0.0375 <0.0017 6.22 0.605 4.14 14.4 2.98 4.07 4.02 8.74 0.799 0.964 16.5 1.20 < 0.0035 0.0202 < 0.0035 <0.0069 <0.0069
2‐Hexanone <0.130 <0.130 < 0.510 < 0.013 <0.260 < 0.130 < 0.130 <0.013 <0.013 <0.260 <0.130 <0.260 <1.3 <0.051 <0.260 <0.260 <0.640 <0.130 <0.260 <0.510 <0.260 < 0.026 <0.051 < 0.026 0.0522 J <0.051
4‐Methyl‐2‐pentanone <0.110 <0.110 2.54 < 0.011 < 0.220 1.05 0.141 < 0.011 <0.011 <0.220 0.399 J 3.79 <1.1 0.363 1.06 1.20 2.49 J 1.87 <0.220 9.94 <0.220 < 0.022 0.0480 J < 0.022 0.309 0.114 J
Acetone 17.1 30.9 130 0.0811 22.7 12.7 24.4 < 0.050 0.168 J 18.2 11.1 8.92 7.81 J 2.59 2.92 J 201 19.8 25.5 8.10 36.6 <1.0 0.152 <0.200 0.358 2.78 17.9
Benzene 0.0319 J <0.017 < 0.068 < 0.0017 < 0.034 < 0.017 0.0559 0.019 <0.0017 34.2 15.7 4.92 23.7 0.737 7.04 2.99 8.76 0.830 0.285 2.02 0.931 < 0.0034 0.0115 J < 0.0034 <0.0068 <0.0068
Carbon disulfide <0.018 <0.018 < 0.072 0.0035 < 0.036 < 0.018 < 0.018 < 0.0018 0.0045 J 0.0471 J <0.018 0.0481 J <0.180 0.098 0.106 <0.036 0.198 J <0.018 0.0447 J 37 <0.036 < 0.0036 <0.0072 0.0523 <0.0072 <0.0072
Chlorobenzene <0.013 <0.013 < 0.053 < 0.0013 < 0.027 < 0.013 < 0.013 < 0.0013 <0.0013 <0.027 <0.013 0.0486 J 2.96 <0.0053 <0.027 <0.027 0.297 0.110 <0.027 20.1 <0.027 < 0.0027 <0.0053 < 0.0027 <0.0053 <0.0053
Chloroform <0.017 <0.017 < 0.069 < 0.0017 < 0.035 < 0.017 < 0.017 < 0.0017 <0.0017 0.137 <0.017 0.179 1.13 0.229 5.33 0.420 2.09 <0.017 <0.035 <0.069 <0.035 < 0.0035 <0.0069 < 0.0035 0.0118 J <0.0069
o‐Chlorotoluene NA NA < 0.073 < 0.0018 < 0.036 0.107 0.111 < 0.0018 < 0.0018 < 0.0036 <0.018 < 0.036 < 0.18 < 0.0073 < 0.036 < 0.036 < 0.091 < 0.018 < 0.036 < 0.073 < 0.036 < 0.0036 <0.0073 < 0.0036 <0.0073 <0.0073
Ethylbenzene 0.154 0.127 0.588 0.0028 0.0963 0.112 0.265 0.181 0.0033 J 11.7 3.19 50.4 27.3 2.93 11.4 15.8 33 2.00 49.6 48.5 3.73 < 0.0032 0.0168 J < 0.0032 <0.0065 <0.0065
Isopropylbenzene NA NA 0.184 < 0.0020 0.0454 0.0435 0.0684 0.0116 <0.0020 4.58 0.186 41 5.33 0.511 2.85 1.41 5.16 0.329 1.19 6.69 0.834 < 0.0040 <0.0080 < 0.0040 <0.0080 <0.0080
Methyl chloride <0.032 <0.032 < 0.13 < 0.0032 < 0.063 < 0.032 < 0.032 < 0.0032 <0.0032 <0.063 <0.032 <0.063 0.363 J <0.013 <0.063 <0.063 <0.160 <0.032 <0.063 <0.130 <0.063 < 0.0063 <0.013 < 0.0063 <0.013 <0.013
Methyl ethyl ketone 8.13 2.48 198 0.0181 0.577 1.08 1.7 < 0.014 0.0471 J 21.3 4.95 18.6 1.93 J 0.593 6.53 56.7 42.2 23.2 12.5 <0.540 <0.270 0.0771 0.104 J 0.119 1.16 2.14
Methyl tert‐butyl ether NA NA 0.437 < 0.0015 < 0.030 < 0.015 0.0488 < 0.0015 <0.0015 7.89 8.39 1.56 0.67 0.124 1.32 1.53 23.0 0.328 3.81 0.414 0.0817 J < 0.0030 0.0238 < 0.0030 <0.0060 0.0175 J
Methylene chloride <0.081 <0.081 < 0.32 < 0.0081 < 0.160 < 0.081 < 0.081 < 0.0081 <0.0081 <0.160 <0.081 <0.160 <0.810 0.108 <0.160 0.182 J <0.410 <0.081 <0.160 <0.320 <0.160 < 0.016 <0.032 < 0.016 0.0413 J <0.032
Naphthalene NA NA 1.16 0.033 2.64 0.11 0.653 0.172 0.0085 J 217 2.42 17 56.4 5.01 7.95 18.9 17.1 2.45 8.65 16.3 4.09 < 0.016 <0.031 < 0.016 <0.031 <0.031
n‐Butylbenzene NA NA < 0.078 < 0.0020 < 0.039 < 0.020 < 0.020 0.0212 <0.0020 2.62 0.313 5.54 14.4 1.04 1.52 <0.039 5.79 1.32 1.38 8.03 <0.039 < 0.0039 <0.0078 < 0.0039 <0.0078 <0.0078
n‐Propylbenzene NA NA 0.155 0.0024 0.162 0.106 0.165 0.0179 <0.0018 3.54 0.343 2.27 9.10 1.41 2.13 2.19 4.68 0.373 0.452 6.93 0.324 < 0.0035 0.0070 J < 0.0035 <0.0070 <0.0070
p‐Isopropyltoluene NA NA 0.076 < 0.0018 < 0.036 0.0186 0.0595 0.0034 <0.0018 0.752 0.0458 J 0.844 6.11 0.282 0.362 5.71 1.26 0.122 0.171 <0.073 0.70 < 0.0036 0.0093 J < 0.0036 <0.0073 <0.0073
sec‐Butylbenzene NA NA 0.0946 < 0.0023 < 0.045 < 0.023 0.0304 0.003 <0.0023 1.01 0.0576 1.25 8.34 0.359 0.459 0.674 1.40 0.129 0.129 <0.091 0.202 < 0.0045 <0.0091 < 0.0045 <0.0091 <0.0091
Styrene 0.129 <0.015 < 0.059 < 0.0015 < 0.029 0.0167 < 0.015 < 0.0015 0.0023 J 13.8 0.901 7.48 21.8 1.97 1.47 <0.029 6.33 0.396 <0.029 2.15 <0.029 < 0.0029 <0.0059 < 0.0029 <0.0059 <0.0059
Tetrachloroethene <0.023 <0.023 < 0.092 < 0.0023 < 0.046 < 0.023 0.485 < 0.0023 <0.0023 0.124 <0.023 0.503 <0.230 0.123 0.186 0.165 1.14 0.028 J <0.046 <0.092 <0.046 < 0.0046 <0.0092 < 0.0046 <0.0092 <0.0092
Toluene 0.375 1.97 1.1 0.0022 < 0.033 0.135 0.727 0.454 0.023 171 16 133 233 10.1 37.1 158 221 4.23 1.84 87.1 0.47 < 0.0033 0.0539 < 0.0033 0.0108 J <0.0065
Trichloroethene <0.024 <0.024 < 0.098 < 0.0024 < 0.049 < 0.024 < 0.024 < 0.0024 <0.0024 <0.049 <0.024 0.0865 J 0.840 0.0122 J 0.0858 J <0.049 0.606 <0.024 <0.049 <0.098 <0.049 < 0.0049 <0.0098 < 0.0049 <0.0098 <0.0098
Xylenes (Total) 0.862 0.688 1.21 0.0198 0.674 0.612 1.52 0.989 0.0157 35.5 14.2 263 105 13.4 52.6 99.2 204 10.5 270 349 12.4 < 0.0087 0.0885 < 0.0087 <0.017 <0.017
1‐Methylnaphthalene NA NA 0.247 0.0012 7.93 < 0.013 0.0551 0.0258 0.0146 J 6.33 0.777 7.82 1.12 31.2 3.05 0.610 J 10.20 4.46 0.858 J 0.66 J 3.32 < 0.0043 <0.027 < 0.011 <0.022 <0.054
2,4,6‐Trichlorophenol <0.016 <0.023 < 0.025 < 0.0012 < 0.062 < 0.014 < 0.024 < 0.0023 0.551 0.0669 J <0.110 <0.450 <0.011 <0.560 1.18 <0.220 0.60 J <0.270 0.741 J <0.270 <0.090 < 0.0045 0.0571 J 0.816 0.200 <0.057
2,4‐Dichlorophenol <0.016 <0.022 < 0.025 < 0.0012 < 0.062 < 0.014 < 0.024 < 0.0022 0.0508 J <0.044 <0.110 <0.440 <0.011 <0.560 0.473 <0.220 <0.220 <0.270 0.488 J <0.270 <0.089 0.0108 <0.028 0.0734 0.0914 J <0.056
2,4‐Dimethylphenol <0.015 0.175 0.0613 < 0.0011 < 0.059 < 0.013 0.0615 < 0.0021 6.66 3.23 6.56 3.57 3.97 6.67 6.25 0.428 J 1.30 <0.250 39.8 J <0.250 0.546 0.0059 0.142 0.0871 0.140 0.124 J
2‐Chlorophenol < 0.014 < 0.019 < 0.021 < 0.0010 < 0.053 < 0.012 < 0.021 < 0.0019 <0.010 <0.038 <0.096 <0.380 <0.0096 <0.480 0.050 J <0.190 <0.190 <0.230 0.533 J <0.230 <0.077 < 0.0039 <0.024 0.0273 0.0553 J <0.048
2‐Methylnaphthalene 0.0758 0.209 0.323 0.0022 12.6 0.0178 0.0997 0.0382 0.0152 J 8.64 1.13 12.4 1.65 50.6 4.77 1.06 16.10 7.24 1.08 J 1.16 J 4.60 < 0.0050 <0.031 < 0.012 <0.025 <0.062
2‐Methylphenol 0.039 0.326 0.123 < 0.0010 < 0.054 < 0.012 0.113 < 0.0019 11.9 3.04 11.6 5.92 10.4 11.1 15.4 2.85 1.19 0.423 J 47.7 <0.230 0.285 J < 0.0039 0.157 0.198 0.328 0.254
3&4‐Methylphenol 0.117 1.89 0.205 < 0.0011 < 0.060 0.133 0.306 0.0087 8.63 12.9 10.8 3.78 8.40 10.6 13.2 3.08 2.93 1.2 42.2 <0.260 <0.086 < 0.0044 <0.027 0.290 2.09 0.570
4‐Chloro‐3‐methylphenol 0.302 1.08 < 0.026 < 0.0012 < 0.064 0.745 0.503 < 0.0023 0.0238 J 1.14 0.515 3.24 <0.012 3.00 7.97 3.13 2.93 <0.280 0.859 J <0.280 0.880 0.0258 2.50 < 0.012 0.393 0.958
Acenaphthene < 0.017 <0.024 < 0.027 < 0.0013 0.676 < 0.015 < 0.026 < 0.0024 <0.013 0.822 <0.120 0.520 J 0.0761 2.60 0.154 <0.240 0.603 J <0.290 <0.480 <0.290 0.427 < 0.0048 <0.030 < 0.012 <0.024 <0.061
Acenaphthylene < 0.017 <0.024 < 0.026 < 0.0012 < 0.065 < 0.014 < 0.025 < 0.0024 <0.012 0.714 <0.120 <0.470 <0.012 <0.590 <0.023 <0.230 <0.230 <0.280 <0.470 <0.280 0.182 J < 0.0047 <0.030 < 0.012 <0.024 <0.059
Aniline NA NA < 0.029 < 0.0014 < 0.072 < 0.016 < 0.028 < 0.0026 <0.014 <0.052 <0.130 <0.520 <0.013 <0.650 <0.026 <0.260 <0.260 <0.310 <0.520 <0.310 <0.100 0.0062 <0.033 < 0.013 0.0393 J <0.065
Anthracene < 0.020 <0.028 < 0.031 < 0.0015 0.427 < 0.017 < 0.030 < 0.0028 <0.015 0.433 <0.140 <0.560 0.0476 J 1.40 0.125 <0.280 0.327 J <0.340 <0.560 <0.340 0.221 J < 0.0057 <0.035 < 0.014 <0.028 <0.071
Benzo(a)anthracene < 0.021 <0.030 < 0.033 < 0.0016 0.0964 < 0.018 < 0.032 < 0.0030 <0.016 0.172 J <0.150 <0.600 <0.015 <0.750 0.0453 J <0.300 <0.300 <0.360 <0.600 <0.360 0.134 J < 0.0060 <0.038 < 0.015 <0.030 <0.075
Benzo(a)pyrene < 0.019 <0.027 < 0.030 < 0.0014 < 0.074 < 0.016 < 0.029 < 0.0027 <0.014 0.0677 J <0.130 <0.540 <0.013 <0.670 <0.027 <0.270 <0.270 <0.320 <0.540 <0.320 <0.110 < 0.0054 <0.034 < 0.014 <0.027 <0.068
Benzo(b)fluoranthene < 0.017 <0.024 < 0.026 < 0.0013 < 0.066 < 0.015 < 0.026 < 0.0024 <0.013 0.0506 J <0.120 <0.480 <0.012 <0.600 <0.024 <0.240 <0.240 <0.290 <0.480 <0.290 <0.095 < 0.0048 <0.030 < 0.012 <0.031 <0.060
Benzoic acid 9.85 11.1 9.23 0.0241 15.7 1.14 13.2 < 0.020 <0.110 <0.400 <1.0 <4.0 <0.100 <5.0 <0.200 3.44 J <2.0 <2.4 <4.0 <2.4 <0.800 < 0.040 <0.250 < 0.100 <0.200 17.6
Benzyl alcohol 0.10 0.163 < 0.019 < 0.00092 3.76 < 0.011 0.901 < 0.0018 <0.0093 <0.035 <0.088 <0.350 <0.0088 <0.440 <0.018 1.13 2.19 1.75 <0.350 <0.210 <0.070 < 0.0035 <0.022 0.329 <0.018 1.34
bis(2‐Ethylhexyl)phthalate < 0.021 <0.030 < 0.033 0.0051 0.0878 0.046 < 0.032 0.0564 <0.016 0.306 0.386 J 1.20 J 0.0381 J 0.871 J 0.366 <0.290 2.19 6.73 <0.590 <0.350 2.18 < 0.0059 0.101 J < 0.015 <0.030 <0.074
Carbazole < 0.020 <0.028 < 0.031 < 0.0015 < 0.077 < 0.017 < 0.030 < 0.0028 <0.015 0.165 J <0.140 <0.560 0.0358 J 0.986 J 0.129 <0.280 <0.280 <0.330 <0.560 <0.330 <0.110 < 0.0056 <0.035 < 0.014 <0.028 <0.070
Chrysene < 0.022 <0.032 < 0.035 < 0.0017 0.161 < 0.019 < 0.034 < 0.0032 <0.017 0.320 <0.160 <0.630 <0.016 <0.790 0.513 <0.310 <0.310 <0.380 <0.630 <0.380 <0.130 < 0.0063 <0.040 < 0.016 <0.032 <0.079
Dibenzofuran < 0.018 <0.025 < 0.028 < 0.0013 < 0.070 < 0.015 < 0.027 < 0.0025 <0.013 0.227 <0.130 <0.500 0.0491 J <0.630 0.135 <0.250 <0.250 <0.300 <0.500 <0.300 <0.100 < 0.0051 <0.032 < 0.013 <0.025 <0.064
Diethyl phthalate < 0.020 <0.028 < 0.031 < 0.0015 < 0.077 < 0.017 < 0.030 < 0.0028 <0.015 <0.055 <0.140 <0.550 <0.014 <0.690 0.147 <0.280 0.963 J 0.766 J <0.550 0.658 J <0.110 < 0.0056 <0.035 < 0.014 <0.028 <0.070
Di‐n‐butyl phthalate < 0.019 <0.027 < 0.030 < 0.0014 < 0.074 < 0.016 < 0.029 < 0.0027 <0.014 <0.054 <0.130 <0.540 <0.013 <0.670 0.0369 J <0.270 <0.270 1.14 J <0.540 1.02 J <0.110 < 0.0054 <0.034 < 0.014 <0.027 <0.068
Fluoranthene < 0.020 <0.028 < 0.031 < 0.0015 0.123 < 0.017 < 0.030 < 0.0028 <0.015 0.224 <0.140 <0.560 0.0233 J <0.700 0.0621 J <0.280 <0.280 <0.330 <0.560 <0.330 0.263 J < 0.0056 <0.035 < 0.014 <0.028 <0.070
Fluorene < 0.017 0.0414 J 0.0302 < 0.0013 0.845 < 0.015 < 0.027 0.0046 <0.013 1.35 0.136 J 0.929 J 0.189 4.26 0.381 <0.250 1.22 0.582 J <0.490 <0.300 0.506 < 0.0050 <0.031 < 0.012 <0.025 <0.062
Naphthalene 0.0441 0.132 0.0982 0.0018 2.51 < 0.013 0.0366 0.166 <0.011 21.3 3.30 27.4 0.640 13.8 5.91 6.04 25.80 21.9 3.18 1.89 4.49 < 0.0042 <0.026 < 0.010 0.0316 J <0.052
N‐Nitrosodiphenylamine < 0.020 <0.029 < 0.032 < 0.0015 < 0.079 < 0.017 < 0.031 < 0.0029 <0.015 <0.041 <0.140 2.34 <0.010 <0.710 <0.021 <0.280 4.49 8.81 <0.410 7.25 <0.082 < 0.0057 <0.036 < 0.014 <0.029 <0.072
Phenanthrene 0.0247 0.109 0.0526 < 0.0016 2.78 < 0.018 < 0.032 0.0092 <0.016 2.35 0.217 J 2.02 0.473 10.6 0.493 <0.300 3.41 0.703 J 0.631 J <0.360 1.24 < 0.0060 <0.038 < 0.015 <0.030 <0.075
Analyte
SVOCS by Method 8270
VOCs by Method 8260
Page 3 of 9 EPA CES Data.xlsx: Tank Liquids
Table 2
Summary of Waste Liquid Data
CES Environmental Services
CES‐CS‐
Tank 407
CES‐CS‐
Tank 408
Dana
FT30335
Dana
FT30338
Dana
FT33529
Dana
FT215005
Dana
FT215012FT‐1001 FT‐1002 N‐Tank 7
N. Tank
9/10OT‐2 OT‐3 OT 4/5 OT‐6
S. Tank
1/3/6S. Tank 2 S. Tank 5 S. Tank 7 S. Tank 8 WMU‐123
WWT 1/4/5
+ VATWWT‐3
WWT
6/7/8
WWT
9/10/12WWT‐13
8/7/14 8/7/14 11/13/14 11/13/14 11/13/14 11/13/14 11/13/14 8/28/14 8/29/14 9/23/14 9/26/14 9/24/14 9/23/14 9/26/14 9/23/14 10/1/14 9/25/14 9/25/14 9/24/14 9/25/14 9/24/14 10/2/14 10/1/14 10/2/14 10/2/14 10/1/14Analyte
Phenol 0.643 2.86 2.96 < 0.0015 0.164 0.248 0.36 < 0.0029 1.68 6.04 2.94 1.27 J 2.70 2.96 4.45 15 3.19 1.05 J 24 <0.350 <0.120 < 0.0059 <0.037 0.424 0.962 0.605
Pyrene < 0.020 0.0345 J 0.0439 0.0019 0.661 < 0.018 < 0.031 0.0041 <0.015 0.697 <0.140 0.584 J 0.139 2.37 0.303 <0.290 0.735 J <0.340 <0.570 <0.340 0.549 < 0.0058 <0.036 < 0.014 <0.029 <0.072
Pyridine NA NA < 0.028 < 0.0013 < 0.070 < 0.015 < 0.027 < 0.0025 < 0.013 < 0.050 < 0.130 < 0.50 < 0.013 < 0.63 < 0.025 < 0.25 < 0.25 < 0.30 < 0.50 < 0.30 < 0.10 < 0.0051 <0.032 0.0148 <0.025 <0.054
Aluminum 20.1 300 21.5 9.16 84 7.05 10.8 0.0825 J 2.02 7.99 3.14 33 4.71 48.0 10.5 794 42.0 47.9 21.2 49.9 1.10 0.190 J 2.29 0.184 J 0.0426 J 4.77
Antimony 0.323 0.765 0.236 0.0073 0.096 0.043 0.344 0.0023 J 0.0033 J 0.0212 J 0.0344 0.197 0.0230 0.0869 0.0698 0.325 0.132 0.0972 1.25 0.0551 0.0262 0.0029 J 0.0061 0.0173 0.0082 0.0717
Arsenic 0.0721 0.547 0.151 0.0127 0.104 0.0324 0.0457 < 0.0047 0.0126 0.0482 0.108 0.0344 0.0637 0.0303 0.0225 0.306 0.107 0.0249 J 1.76 0.0435 0.0148 0.0438 0.0170 0.0365 0.0208 0.0218
Barium 2.60 136 2.93 0.227 3.22 0.655 1.43 0.0501 J 0.0486 J 1.15 0.375 3.58 0.625 21.2 2.85 1.04 4.61 3.93 2.07 3.45 0.123 J 0.0198 J 0.159 J 0.0315 J 0.0437 J 0.352 J
Beryllium 0.0026 J 0.0345 J < 0.00090 < 0.00018 0.0029 J 0.00055 J < 0.0018 < 0.00018 0.00040 J <0.00090 0.00024 J 0.00087 J 0.00029 J 0.0011 J 0.00035 J 0.0368 0.0027 J 0.0023 J <0.00090 <0.00090 <0.00018 < 0.00018 <0.00018 < 0.00018 <0.00018 <0.00036
Cadmium 0.0101 J 0.0507 J 0.0172 J 0.00095 J 0.0422 0.0048 0.0152 < 0.00023 0.00038 J <0.0012 0.0054 0.0051 0.0012 J 0.0115 0.0059 0.286 0.0147 J 0.0126 J 0.0039 J 0.0030 J 0.00025 J < 0.00023 0.00031 J 0.00090 J <0.00023 <0.00046
Calcium 603 601 310 78.6 248 118 536 18.1 21.6 494 91.1 395 116 306 148 727 900 768 88.6 195 259 24.4 233 472 714 244
Chromium 1.18 33.6 0.228 0.107 0.55 0.122 0.215 0.0017 J 0.0109 0.142 0.141 0.183 0.0572 0.284 0.108 24.3 1.05 0.485 0.374 0.198 0.0464 0.0566 0.114 0.115 0.0640 0.145
Cobalt 0.115 J 0.184 J 0.0950 J 0.0494 J 0.0278 J 0.0653 0.0183 J 0.00072 J 0.0077 J 0.156 J 0.0215 J 0.0417 J 0.0082 J 0.0085 J 0.0166 J 3.20 0.224 J 0.21 J 0.0716 J 0.0400 J 0.0192 J 0.0084 J 0.0790 0.0341 J 0.0435 J 0.0271 J
Copper 1.59 35.2 1.64 0.0322 5.62 1.37 2.24 0.0043 J 0.0278 0.464 0.431 2.30 0.190 2.17 1.13 11.9 6.51 3.28 1.64 1.14 0.289 0.0056 J 0.0403 0.0659 <0.0029 0.0152 J
Iron 575 3,070 295 113 158 53.8 101 3.96 21.9 640 28.9 92.1 75 89.3 115 15,600 655 835 110 78.0 12.1 2.39 16.5 35.6 286 470
Lead 0.208 9.33 0.552 0.0212 1.02 0.383 0.522 0.0017 J 0.0136 0.184 3.15 0.354 0.07 0.385 0.437 6.29 0.985 0.505 0.366 0.134 0.0166 0.0011 J 0.0240 0.0063 0.0026 J 0.0211
Magnesium 82.4 52.4 J 59.2 14.4 25.5 17.7 65.8 1.43 J 1.75 J 81.8 5.05 13.6 5.41 10.7 5.72 229 J 75.4 105 8.26 J 27.8 20.7 18.3 66.6 24.6 11.2 25.2
Manganese 12.8 8.89 4.5 0.877 2.2 3.84 11.7 0.227 0.517 11.7 0.476 2.54 1.29 3.16 1.55 122 12.8 12.5 1.48 3.34 1.04 0.237 0.656 1.33 4.10 5.76
Mercury 0.00065 0.0022 1.52 0.0047 0.0033 < 0.00005 0.00066 0.0745 0.000089 J 2.56 0.0153 0.816 0.0043 0.0067 0.0944 0.389 0.668 0.0603 0.250 0.00013 J 0.50 0.000066 J 0.000071 J < 0.000050 <0.000050 <0.000050
Nickel 1.42 3.53 0.441 0.226 0.3 0.47 0.241 0.0118 J 0.0476 2.46 0.318 0.431 0.0893 0.492 0.195 33.6 3.44 2.59 1.23 8.81 0.32 0.434 0.263 1.78 1.56 2.38
Potassium 136 53.8 J 40.7 119 257 103 175 16.4 83.2 73.8 410 52.4 90 114 85.1 4,860 182 110 91.4 95.2 98.3 105 143 1650 596 165
Selenium 0.0614 0.256 J 0.0178 J 0.0030 J 0.0094 0.0171 0.024 J 0.0034 J 0.0036 J <0.012 0.0109 0.0077 0.0046 J 0.0056 0.0058 <0.12 0.0740 0.0247 J 0.0470 <0.012 <0.0024 < 0.0024 0.0040 J 0.0035 J <0.0024 <0.0048
Silver < 0.0024 <0.040 0.0154 J 0.0024 J 0.0051 J 0.0016 J < 0.0059 < 0.00059 <0.00059 0.0065 J 0.0012 J 0.0041 J 0.0013 J 0.0031 J 0.0028 J 0.0433 J 0.0103 J 0.0123 J <0.0030 2.24 <0.00059 < 0.00059 <0.00059 < 0.00059 <0.0059 <0.0012
Sodium 844 196 J 576 1150 2060 414 492 32.2 181 987 278 200 616 404 234 3,970 2,440 1,550 9,160 2,270 472 3,140 1,390 8390 4,620 2,130
Thallium < 0.0078 < 0.13 0.0396 J < 0.0021 < 0.010 < 0.010 < 0.010 < 0.0021 < 0.0021 < 0.010 < 0.010 < 0.010 < 0.0021 < 0.0021 < 0.0021 < 0.10 < 0.021 < 0.010 < 0.041 < 0.010 < 0.0021 < 0.0021 < 0.0021 < 0.010 < 0.010 < 0.010
Vanadium 0.249 J 1.78 J 0.506 0.0318 J 0.139 0.0533 0.0501 J 0.00063 J 0.0068 J 0.0605 J 0.0499 J 0.102 0.016 J 0.0575 0.0549 3.48 0.407 0.577 0.157 J 0.0294 J 0.0132 J 0.0185 J 0.0105 J 0.0074 J 0.0156 J 0.0351 J
Zinc 42.8 78 24.4 0.717 19.6 3.61 19.1 0.0233 0.698 18.1 3.80 12.1 11.6 12.0 3.20 641 40.1 62.3 7.33 8.05 2.19 0.0522 0.663 2.17 0.0444 4.37
TPH (C6‐C12) 748 313 839 71 1510 237 698 6.02 14.1 2,710 335 4080 421 1,980 2,000 603 310 792 1,100 8,410 563 < 0.77 6.57 J 5.16 6.63 229
TPH (>C12‐C28) 9,720 15,600 6,360 2,260 22,200 4,330 13900 29.1 108 22,300 1,240 19,100 2,880 8,970 14,000 1,190 1,520 5,030 6,260 65,400 4,400 2.14 621 18.7 12.5 379
TPH (>C28‐C35) 3,620 4,780 1,920 1,230 2,300 1,760 7300 15.2 23.8 8,240 801 10,500 231 2,690 8,470 605 415 3,610 2,470 13,300 1,620 < 0.83 113 3.73 <0.83 211
TPH (C6‐C35) 14,100 20,700 9,120 3,560 26,000 6,330 21900 50.3 146 33,300 2,380 33,700 3,530 13,600 24,500 2,390 2250 9,430 9,830 87,100 6,580 2.14 741 27.6 19.1 819
2,4‐D 0.0154 0.0046 J < 0.00022 < 0.0022 0.523 < 0.0022 0.506 < 0.0002 < 0.00022 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
2,4,5‐TP (Silvex) < 0.0002 < 0.0002 < 0.00044 < 0.00045 0.0084 < 0.00044 < 0.0022 < 0.0004 < 0.000044 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
gamma‐BHC (Lindane) 0.000064 < 0.00017 < 0.00027 < 0.0003 < 0.00098 < 0.00037 < 0.00038 < 0.00087 < 0.00094 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
alpha‐Chlordane 0.00012 < 0.00011 < 0.00017 < 0.00019 < 0.00062 < 0.00024 < 0.00024 < 0.00055 < 0.00059 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Notes:
Concentrations presented in milligrams per Liter (mg/L) < ‐ Analyte reported as non‐detect by laboratory at associated method detection limit (MDL)
Bolded values are concentrations detected above the MDL
J ‐ Reported concentration is estimated
NA ‐ Not analyzed
Pesticides by Method 8081
Herbicides by Method 8151
Total Petroleum Hydrocarbons by TX 1005
Metals by Method 6010
Page 4 of 9 EPA CES Data.xlsx: Tank Liquids
Table 3
Summary of Site Soil Data
CES Environmental Services
SB‐1 SB‐1 SB‐2 SB‐2 SB‐3 SB‐3 SB‐4 SB‐4 SB‐5 SB‐5 SB‐6 SB‐6 SB‐7 SB‐7 SB‐8 SB‐8 SB‐9 SB‐9 SB‐10 SB‐10 SB‐11 SB‐11 SP‐1 SP‐2
16 ‐ 20 20 ‐ 24 2 ‐ 4 feet 12 ‐ 16 2 ‐ 4 feet 13 ‐ 16 2 ‐ 4 feet 12 ‐ 16 2 ‐ 4 feet 12 ‐ 16 2 ‐ 4 feet 12 ‐ 16 2 ‐ 4 feet 12 ‐ 16 4‐7 feet 12 ‐ 16 2 ‐ 4 feet 12 ‐ 16 2 ‐ 4 feet 8 ‐ 12 feet 4 ‐ 8 feet 16 ‐20 feet Surface Surface
9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996 9/4/1996
1,2,4‐Trimethylbenzene ‐‐‐ 150 49 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
1,1‐Dichloroethane ‐‐‐ 11,000 18 NA NA NA NA < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005
Acetone ‐‐‐ 66,000 43 NA NA NA NA < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100 < 0.100
Benzene ‐‐‐ 120 0.026 < 0.001 < 0.001 < 0.001 < 0.001 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005
Carbon disulfide ‐‐‐ 4,600 14 NA NA NA NA < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005
Chlorobenzene ‐‐‐ 520 1.1 NA NA NA NA 0.006 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005
cis‐1,2‐Dichloroethene ‐‐‐ 140 0.25 NA NA NA NA < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 0.005 < 0.005 < 0.005 < 0.005 < 0.005
Ethylbenzene ‐‐‐ 6,400 7.6 < 0.001 < 0.001 0.65 < 0.001 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005
Methyl ethyl ketone ‐‐‐ 40,000 29 NA NA NA NA < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020 < 0.020
Methyl tert‐butyl ether ‐‐‐ 800 0.62 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Methylene chloride ‐‐‐ 1,600 0.013 NA NA NA NA < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005
n‐Butylbenzene ‐‐‐ 3,300 150 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
sec‐Butylbenzene ‐‐‐ 3,300 85 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Toluene 5,900 8.2 < 0.001 < 0.001 < 0.001 < 0.001 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005
Xylenes, Total ‐‐‐ 6,000 120 < 0.001 < 0.001 0.46 < 0.001 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005
Anthracene ‐‐‐ 18,000 6,900 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Benzo(a)anthracene ‐‐‐ 5.7 18 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Benzo(a)pyrene ‐‐‐ 0.56 7.6 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Benzo(b)fluoranthene ‐‐‐ 5.7 60 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Benzo(g,h,i)perylene ‐‐‐ 1,800 46,000 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Benzo(k)fluoranthene ‐‐‐ 57 620 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
bis(2‐Ethylhexyl)phthalate ‐‐‐ 43 160 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Butyl benzyl phthalate ‐‐‐ 1,600 260 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Chrysene ‐‐‐ 560 1,500 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Di‐n‐butyl phthalate ‐‐‐ 6,200 3,300 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Di‐n‐octyl phthalate ‐‐‐ 640 810,000 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 0.430 < 0.33 < 0.33
Fluoranthene ‐‐‐ 2,300 1,900 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Indeno(1,2,3‐cd)pyrene ‐‐‐ 5.7 170 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Phenanthrene ‐‐‐ 1,700 420 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Pyrene ‐‐‐ 1,700 1,100 NA NA NA NA < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33 < 0.33
Arsenic 5.9 24 5.0 NA NA NA NA < 10 < 10 NA NA NA NA NA NA NA NA NA NA NA NA NA NA < 10 < 10 NA NA
Barium 300 8,100 440 NA NA NA NA 223 20.6 NA NA NA NA NA NA NA NA NA NA NA NA NA NA 86.6 11.3 NA NA
Cadmium ‐‐‐ 52 1.5 NA NA NA NA < 0.5 < 0.5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA < 0.5 < 0.5 NA NA
Chromium 30 33,000 2,400 NA NA NA NA 6 5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA 16 3 NA NA
Lead 15 500 3.0 NA NA NA NA 9.0 5.0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA 15.0 < 5 NA NA
Mercury 0.04 3.6 0.0078 NA NA NA NA < 0.1 < 0.1 NA NA NA NA NA NA NA NA NA NA NA NA NA NA < 0.1 < 0.1 NA NA
Selenium 0.3 310 2.3 NA NA NA NA < 10 < 10 NA NA NA NA NA NA NA NA NA NA NA NA NA NA < 10 < 10 NA NA
Silver ‐‐‐ 97 0.48 NA NA NA NA < 0.5 < 0.5 NA NA NA NA NA NA NA NA NA NA NA NA NA NA < 0.5 < 0.5 NA NA
TPH ‐‐‐ ‐‐‐ ‐‐‐ 33 12 1800 12 7.6 8.6 42 11 39 < 10 < 10 < 10 75 < 10 < 10 < 10 22 < 10 < 10 12 10 11 < 10 45
TPH (C6‐C12) ‐‐‐ 1600 65 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
TPH (>C12‐C28) ‐‐‐ 2,300 200 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
TPH (>C28‐C35) ‐‐‐ ‐‐‐ ‐‐‐ NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
TPH (C6‐C35) ‐‐‐ ‐‐‐ ‐‐‐ NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Notes:
Concentrations presented in milligrams per kilogram (mg/kg)
< ‐ Analyte reported as non‐detect at associated MDL
Bolded values are concentrations detected above the MDL
J ‐ Reported concentration is estimated
Protective Concentration Level (PCL) Tables, 0.5‐acre, Nov. 12, 2014.
Background 30 TAC 350.51(m) Texas‐specific median background
MDL ‐ Method detection limit
‐‐‐ Not applicable
NA ‐ Not analyzed
Shaded values in blue denotes detections with exceedances of the
higher of background (metals only) or the residential GWSoilIng PCL.
VOCs by Method 8260
Analyte
SVOCs by Method 8270
Metals by 6010
Total Petroleum Hydrocarbons by TX 1005
Background TotSoilComb GWSoilIng
Total Petroleum Hydrocarbons by 418.1
Page 5 of 9EPA CES Data.xlsx: Site Soil
Table 3
Summary of Site Soil Data
CES Environmental Services
1,2,4‐Trimethylbenzene ‐‐‐ 150 49
1,1‐Dichloroethane ‐‐‐ 11,000 18
Acetone ‐‐‐ 66,000 43
Benzene ‐‐‐ 120 0.026
Carbon disulfide ‐‐‐ 4,600 14
Chlorobenzene ‐‐‐ 520 1.1
cis‐1,2‐Dichloroethene ‐‐‐ 140 0.25
Ethylbenzene ‐‐‐ 6,400 7.6
Methyl ethyl ketone ‐‐‐ 40,000 29
Methyl tert‐butyl ether ‐‐‐ 800 0.62
Methylene chloride ‐‐‐ 1,600 0.013
n‐Butylbenzene ‐‐‐ 3,300 150
sec‐Butylbenzene ‐‐‐ 3,300 85
Toluene 5,900 8.2
Xylenes, Total ‐‐‐ 6,000 120
Anthracene ‐‐‐ 18,000 6,900
Benzo(a)anthracene ‐‐‐ 5.7 18
Benzo(a)pyrene ‐‐‐ 0.56 7.6
Benzo(b)fluoranthene ‐‐‐ 5.7 60
Benzo(g,h,i)perylene ‐‐‐ 1,800 46,000
Benzo(k)fluoranthene ‐‐‐ 57 620
bis(2‐Ethylhexyl)phthalate ‐‐‐ 43 160
Butyl benzyl phthalate ‐‐‐ 1,600 260
Chrysene ‐‐‐ 560 1,500
Di‐n‐butyl phthalate ‐‐‐ 6,200 3,300
Di‐n‐octyl phthalate ‐‐‐ 640 810,000
Fluoranthene ‐‐‐ 2,300 1,900
Indeno(1,2,3‐cd)pyrene ‐‐‐ 5.7 170
Phenanthrene ‐‐‐ 1,700 420
Pyrene ‐‐‐ 1,700 1,100
Arsenic 5.9 24 5.0
Barium 300 8,100 440
Cadmium ‐‐‐ 52 1.5
Chromium 30 33,000 2,400
Lead 15 500 3.0
Mercury 0.04 3.6 0.0078
Selenium 0.3 310 2.3
Silver ‐‐‐ 97 0.48
TPH ‐‐‐ ‐‐‐ ‐‐‐
TPH (C6‐C12) ‐‐‐ 1600 65
TPH (>C12‐C28) ‐‐‐ 2,300 200
TPH (>C28‐C35) ‐‐‐ ‐‐‐ ‐‐‐
TPH (C6‐C35) ‐‐‐ ‐‐‐ ‐‐‐
Notes:
Concentrations presented in milligrams per kilogram (mg/kg)
< ‐ Analyte reported as non‐detect at associated MDL
Bolded values are concentrations detected above the MDL
J ‐ Reported concentration is estimated
Protective Concentration Level (PCL) Tables, 0.5‐acre, Nov. 12, 2014.
Background 30 TAC 350.51(m) Texas‐specific median background
MDL ‐ Method detection limit
‐‐‐ Not applicable
NA ‐ Not analyzed
Shaded values in blue denotes detections with exceedances of the
higher of background (metals only) or the residential GWSoilIng PCL.
VOCs by Method 8260
Analyte
SVOCs by Method 8270
Metals by 6010
Total Petroleum Hydrocarbons by TX 1005
Background TotSoilComb GWSoilIng
Total Petroleum Hydrocarbons by 418.1
013063‐01 013063‐02 013063‐03 013063‐04 013063‐05 013063‐06 013063‐07 013063‐08 SB‐1 SB‐1 SB‐2 SB‐3 SB‐3 SB‐4 SB‐4 SB‐5 SB‐5 SB‐6 SB‐6
0 ‐ 0.5 feet 0 ‐ 0.5 feet 0 ‐ 0.5 feet 0 ‐ 0.5 feet 0 ‐ 0.5 feet 0 ‐ 0.5 feet 0 ‐ 0.5 feet 0 ‐ 0.5 feet 10 ‐ 12 feet 18 ‐ 20 feet 14 ‐ 16 feet 10 ‐ 12 feet 18 ‐ 20 feet 10 ‐12 feet 18 ‐ 20 feet 8 ‐ 10 feet 18 ‐ 20 feet 10 ‐ 12 feet 18 ‐ 20 feet
10/1/2009 10/1/2009 10/1/2009 10/1/2009 10/1/2009 10/1/2009 10/1/2009 10/1/2009 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010
NA NA NA NA NA NA NA NA <0.00093 <0.00078 <0.00094 <0.0010 <0.00090 <0.0011 <0.00091 <0.0010 <0.00079 <0.00089 <0.00097
<0.00091 <0.00095 <0.00099 <0.00094 <0.00094 <0.0011 <0.00099 <0.00098 <0.00099 <0.00083 <0.0010 <0.0011 <0.00096 <0.0012 <0.00097 <0.0011 <0.00084 0.0014 J 0.0023 J
<0.0083 <0.0087 <0.0090 <0.0086 <0.0086 <0.0097 <0.0091 <0.0090 <0.0091 <0.0076 <0.0091 <0.0099 <0.0088 <0.011 <0.0089 0.0300 J <0.0077 <0.0086 0.0117 J
<0.00070 <0.00073 <0.00076 <0.00072 <0.00072 <0.00082 <0.00076 <0.00076 <0.00076 <0.00064 <0.00077 <0.00084 <0.00074 <0.00091 <0.00075 <0.00082 <0.00065 <0.00073 <0.00079
<0.00056 <0.00059 <0.00061 <0.00058 <0.00058 <0.00066 <0.00061 <0.00061 <0.00061 <0.00051 <0.00062 <0.00067 <0.00060 <0.00073 <0.00060 <0.00066 <0.00052 <0.00058 <0.00064
< 0.00057 < 0.00059 < 0.00061 < 0.00058 < 0.00058 < 0.00066 < 0.00062 < 0.00061 < 0.00062 < 0.00051 < 0.00062 < 0.00068 < 0.00060 < 0.00073 < 0.00060 < 0.00066 < 0.00052 < 0.00059 <0.00064
<0.0010 <0.0011 <0.0011 <0.0010 <0.0010 <0.0012 <0.0011 <0.0011 <0.0011 <0.00092 <0.0011 <0.0012 <0.0011 <0.0013 <0.0011 <0.0012 <0.00094 0.0051 0.0044 J
<0.00090 <0.00095 <0.00098 <0.00093 <0.00094 <0.0011 <0.00099 <0.00098 <0.00099 <0.00082 <0.00099 <0.0011 <0.00096 <0.0012 <0.00097 <0.0011 <0.00084 <0.00094 <0.0010
<0.0058 <0.0061 <0.0063 <0.0060 <0.0060 <0.0068 <0.0063 <0.0062 <0.0063 <0.0053 <0.0064 <0.0069 <0.0061 <0.0075 <0.0062 <0.0068 <0.0054 <0.0060 <0.0066
NA NA NA NA NA NA NA NA <0.00093 <0.00077 <0.00094 <0.0010 <0.00090 <0.0011 <0.00091 <0.0010 <0.00079 <0.00089 <0.00097
<0.0024 0.0036 J 0.0035 J 0.0057 J 0.0039 J 0.0042 J 0.0044 J <0.0025 0.0054 J 0.0054 J 0.0067 J 0.0061 J 0.0065 J 0.0073 J 0.0055 J 0.0045 J 0.0034 J 0.0061 J 0.0084 J
NA NA NA NA NA NA NA NA <0.00076 <0.00063 <0.00076 <0.00083 <0.00074 <0.00090 <0.00074 0.0040 J <0.00064 <0.00072 <0.00079
NA NA NA NA NA NA NA NA <0.00084 <0.00070 <0.00085 <0.00092 <0.00082 <0.0010 <0.00082 0.0052 <0.00071 <0.00080 <0.00088
< 0.00095 < 0.00099 < 0.0010 < 0.00098 < 0.00098 < 0.0011 < 0.0010 < 0.0010 < 0.0010 <0.00087 < 0.0010 < 0.0011 < 0.0010 < 0.0012 < 0.0010 < 0.0011 < 0.00088 < 0.00099 < 0.0011
< 0.0021 < 0.0022 < 0.0023 < 0.0022 < 0.0022 < 0.0025 < 0.0023 < 0.0023 < 0.0023 < 0.0019 < 0.0023 < 0.0025 < 0.0022 < 0.0027 < 0.0022 < 0.0025 < 0.0019 < 0.0022 < 0.0024
0.069 J <0.038 <0.039 <0.034 <0.035 <0.037 <0.039 <0.035 <0.0015 <0.0013 <0.0015 <0.0017 <0.0014 <0.0017 <0.0014 <0.0016 <0.0014 <0.0015 <0.0016
0.385 <0.076 <0.077 <0.068 <0.069 0.156 J <0.077 <0.070 <0.0012 <0.0011 <0.0013 <0.0015 <0.0011 <0.0014 <0.0012 0.0023 J <0.0012 <0.0013 <0.0014
0.526 <0.031 <0.032 <0.028 <0.028 0.186 J <0.032 <0.029 <0.0042 <0.0037 <0.0042 <0.0049 <0.0038 <0.0048 <0.0039 <0.0045 <0.0039 <0.0043 <0.0045
0.640 0.0804 J <0.049 0.107 J 0.101 J 0.320 <0.049 <0.045 <0.0041 <0.0036 <0.0042 <0.0048 <0.0038 <0.0048 <0.0039 <0.0044 <0.0039 <0.0042 <0.0045
0.677 <0.046 <0.047 <0.042 <0.042 0.166 J <0.047 <0.043 <0.0078 <0.0069 <0.0079 <0.0091 <0.0071 <0.0090 <0.0073 <0.0083 <0.0073 <0.0080 <0.0084
0.298 <0.037 <0.037 0.0365 J 0.0505 J 0.128 J <0.038 <0.034 <0.0051 <0.0045 <0.0051 <0.0059 <0.0046 <0.0059 <0.0048 <0.0054 <0.0048 <0.0052 <0.0055
0.654 0.377 0.473 0.467 0.678 0.161 J 0.164 J 0.148 J <0.083 <0.073 <0.084 <0.096 <0.075 <0.096 <0.078 <0.088 <0.078 <0.085 <0.090
<0.053 0.0778 J 0.232 <0.048 <0.049 <0.052 <0.055 <0.050 <0.059 <0.047 <0.054 <0.062 <0.048 <0.061 <0.050 <0.057 <0.050 <0.054 <0.057
0.508 0.0596 J <0.044 0.0805 J 0.0659 J 0.279 <0.044 <0.040 <0.0019 <0.0017 <0.0020 <0.0022 <0.0018 <0.0022 <0.0018 0.0091 <0.0018 <0.0020 <0.0021
<0.053 2.310 <0.054 0.135 J <0.048 <0.052 <0.054 <0.049 <0.053 <0.046 <0.053 <0.061 <0.048 <0.061 <0.049 <0.056 <0.050 <0.054 <0.057
<0.046 <0.046 <0.047 0.154 J 0.370 <0.045 <0.047 <0.043 <0.046 <0.041 <0.047 <0.054 <0.042 <0.053 <0.043 <0.049 <0.043 <0.047 <0.050
0.422 0.060 J 0.0498 J 0.080 J 0.0610 J 0.452 <0.041 <0.038 <0.0017 <0.0015 <0.0017 <0.0020 <0.0016 <0.0020 <0.0016 <0.0018 <0.0016 <0.0018 <0.0018
0.500 <0.070 <0.072 <0.064 <0.064 0.140 J <0.072 <0.066 <0.0059 <0.0052 <0.0059 <0.0068 <0.0053 <0.0068 <0.0055 <0.0063 <0.0055 <0.0060 <0.0063
0.352 <0.053 <0.054 0.0810 J <0.048 0.311 <0.054 <0.049 <0.0011 <0.00096 <0.0011 <0.0013 <0.0010 <0.0013 <0.0010 <0.0012 <0.0010 <0.0011 <0.0012
1.270 0.131 0.177 J 0.209 0.154 J 0.669 <0.039 0.0631 J <0.0027 <0.0023 <0.0027 <0.0031 <0.0024 <0.0031 <0.0025 0.0051 J <0.0025 <0.0027 <0.0029
5.5 4.9 6.6 2.8 5.1 7.3 26.9 16.3 7.1 0.79 4.7 3.5 1.9 4.0 1.0 2.2 0.78 4.6 3.2
1,170 517 281 137 294 245 404 183 989 8.2 J 93.1 120 13.8 187 11.1 J 346 17.1 191 86.4
1.6 1.3 0.69 0.33 0.45 0.41 0.54 0.61 <0.33 <0.057 <0.31 <0.071 <0.060 <0.073 <0.064 <0.067 <0.059 <0.070 <0.073
135 311 75.4 57.0 50.8 34.7 51.9 31 20.6 2.1 16.0 29.5 4.6 22.6 4.2 25 4.5 23.7 15
276 77.2 70.3 24.0 58.3 48.8 161 88.7 17.6 2.0 10.3 9.6 3.6 8.1 2.6 7.3 2.7 10.2 6.9
0.083 0.14 0.17 0.023 0.057 0.040 0.067 0.027 <0.0075 <0.0062 <0.0073 <0.0078 <0.0068 <0.0084 <0.0064 <0.0074 <0.0071 <0.0072 <0.0079
<0.67 <0.67 <0.67 <0.63 <0.62 <0.65 <0.73 <0.65 <0.79 <0.14 <0.75 0.76 <0.14 0.74 0.15 J 0.93 <0.14 0.88 0.52 J
<0.67 <0.67 <0.67 <0.63 <0.62 <0.65 <0.73 <0.65 <0.26 <0.045 <0.25 0.089 J <0.048 0.063 J <0.051 <0.054 <0.047 <0.056 <0.058
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
NA NA NA NA NA NA NA NA <4.7 <4.1 <4.6 <5.4 <4.3 < 5.3 <4.4 13.1 J <4.3 <5.0 <5.0
NA NA NA NA NA NA NA NA <4.7 <4.1 <4.6 <5.4 <4.3 <5.4 <4.4 87.6 <4.3 <5.0 <5.0
NA NA NA NA NA NA NA NA <4.7 <4.1 <4.6 <5.4 <4.3 <5.4 <4.4 65.2 <4.3 <5.0 <5.0
NA NA NA NA NA NA NA NA <4.7 <4.1 <4.5 <5.4 <4.3 <5.3 <4.4 166 <4.3 <5.0 <5.0
Page 6 of 9EPA CES Data.xlsx: Site Soil
Table 3
Summary of Site Soil Data
CES Environmental Services
1,2,4‐Trimethylbenzene ‐‐‐ 150 49
1,1‐Dichloroethane ‐‐‐ 11,000 18
Acetone ‐‐‐ 66,000 43
Benzene ‐‐‐ 120 0.026
Carbon disulfide ‐‐‐ 4,600 14
Chlorobenzene ‐‐‐ 520 1.1
cis‐1,2‐Dichloroethene ‐‐‐ 140 0.25
Ethylbenzene ‐‐‐ 6,400 7.6
Methyl ethyl ketone ‐‐‐ 40,000 29
Methyl tert‐butyl ether ‐‐‐ 800 0.62
Methylene chloride ‐‐‐ 1,600 0.013
n‐Butylbenzene ‐‐‐ 3,300 150
sec‐Butylbenzene ‐‐‐ 3,300 85
Toluene 5,900 8.2
Xylenes, Total ‐‐‐ 6,000 120
Anthracene ‐‐‐ 18,000 6,900
Benzo(a)anthracene ‐‐‐ 5.7 18
Benzo(a)pyrene ‐‐‐ 0.56 7.6
Benzo(b)fluoranthene ‐‐‐ 5.7 60
Benzo(g,h,i)perylene ‐‐‐ 1,800 46,000
Benzo(k)fluoranthene ‐‐‐ 57 620
bis(2‐Ethylhexyl)phthalate ‐‐‐ 43 160
Butyl benzyl phthalate ‐‐‐ 1,600 260
Chrysene ‐‐‐ 560 1,500
Di‐n‐butyl phthalate ‐‐‐ 6,200 3,300
Di‐n‐octyl phthalate ‐‐‐ 640 810,000
Fluoranthene ‐‐‐ 2,300 1,900
Indeno(1,2,3‐cd)pyrene ‐‐‐ 5.7 170
Phenanthrene ‐‐‐ 1,700 420
Pyrene ‐‐‐ 1,700 1,100
Arsenic 5.9 24 5.0
Barium 300 8,100 440
Cadmium ‐‐‐ 52 1.5
Chromium 30 33,000 2,400
Lead 15 500 3.0
Mercury 0.04 3.6 0.0078
Selenium 0.3 310 2.3
Silver ‐‐‐ 97 0.48
TPH ‐‐‐ ‐‐‐ ‐‐‐
TPH (C6‐C12) ‐‐‐ 1600 65
TPH (>C12‐C28) ‐‐‐ 2,300 200
TPH (>C28‐C35) ‐‐‐ ‐‐‐ ‐‐‐
TPH (C6‐C35) ‐‐‐ ‐‐‐ ‐‐‐
Notes:
Concentrations presented in milligrams per kilogram (mg/kg)
< ‐ Analyte reported as non‐detect at associated MDL
Bolded values are concentrations detected above the MDL
J ‐ Reported concentration is estimated
Protective Concentration Level (PCL) Tables, 0.5‐acre, Nov. 12, 2014.
Background 30 TAC 350.51(m) Texas‐specific median background
MDL ‐ Method detection limit
‐‐‐ Not applicable
NA ‐ Not analyzed
Shaded values in blue denotes detections with exceedances of the
higher of background (metals only) or the residential GWSoilIng PCL.
VOCs by Method 8260
Analyte
SVOCs by Method 8270
Metals by 6010
Total Petroleum Hydrocarbons by TX 1005
Background TotSoilComb GWSoilIng
Total Petroleum Hydrocarbons by 418.1
SB‐7 SB‐7 SB‐8 SB‐8 SB‐9 SB‐9 SB‐10 SB‐10 SB‐11 SB‐11 SB‐12 SB‐12 SB‐13 SB‐13 N. Tanks #1 N. Tanks #2 S. Tanks #1 S. Tanks #2
12 ‐ 14 feet 18‐ 20 feet 12 ‐ 14 feet 18 ‐ 20 feet 8 ‐ 10 feet 18 ‐ 20 feet 2 ‐ 4 feet 18 ‐ 20 feet 12 ‐ 14 feet 18 ‐ 20 feet 6 ‐ 8 feet 18 ‐ 20 feet 2 ‐ 4 feet 18 ‐ 20 feet 0 ‐ 1 feet 0 ‐ 1 feet 0 ‐ 1 feet 0 ‐ 1 feet
7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/12/2010 7/13/2010 7/13/2010 7/13/2010 7/13/2010 7/13/2010 7/13/2010 7/13/2010 7/13/2010 1/9/2014 1/9/2014 1/8/2014 1/8/2014
<0.00087 <0.00085 <0.0010 <0.00093 <0.0011 <0.00091 <0.0010 <0.00084 <0.00098 <0.00096 <0.00093 <0.0010 <0.0011 <0.00089 <0.00050 <0.00051 0.00049 J 0.00082 J
<0.00093 <0.00091 <0.0011 <0.0010 <0.0012 <0.00097 <0.0011 <0.00090 <0.0010 <0.0010 <0.00099 <0.00092 <0.0011 <0.00095 <0.00051 <0.00052 <0.00045 <0.00044
<0.0085 <0.0083 <0.010 <0.0091 <0.011 <0.0088 0.0384 J <0.0082 <0.0096 <0.0093 0.0132 J <0.0084 0.0620 0.0088 J 0.0847 0.0136 J 0.0684 0.105
<0.00071 <0.00070 <0.00085 <0.00077 <0.00089 <0.00075 <0.00085 <0.00069 <0.00081 <0.00079 <0.00076 <0.00071 <0.00087 <0.00073 <0.00083 <0.00086 <0.00074 0.0161
<0.00057 <0.00056 <0.00068 <0.00061 <0.00072 <0.00060 <0.00068 <0.00056 <0.00065 <0.00063 <0.00061 <0.00057 <0.00069 0.0011 J 0.00083 J <0.00074 0.0018 J 0.0011 J
< 0.00058 < 0.00057 < 0.00068 < 0.00062 < 0.00072 < 0.00060 < 0.00069 < 0.00056 < 0.00065 < 0.00063 < 0.00062 < 0.00057 < 0.00070 < 0.00059 < 0.0012 < 0.0012 < 0.0010 < 0.0010
<0.0010 <0.0010 <0.0012 <0.0011 <0.0013 <0.0011 <0.0012 <0.0010 <0.0012 <0.0011 <0.0011 <0.0010 <0.0013 <0.0011 <0.00056 <0.00058 <0.00050 <0.00049
<0.00092 <0.00090 <0.0011 <0.00099 <0.0012 <0.00096 <0.0011 <0.00090 <0.0010 <0.0010 <0.00099 <0.00092 <0.0011 <0.00095 <0.0012 <0.0012 <0.0011 0.0011 J
<0.0059 <0.0058 <0.0070 <0.0063 <0.0074 <0.0062 <0.0071 <0.0057 <0.0067 <0.0065 <0.0063 <0.0059 <0.0072 <0.0061 0.0136 J <0.0063 0.0126 J 0.0152 J
<0.00087 <0.00085 <0.0010 <0.00093 <0.0011 <0.00091 0.0015 J <0.00084 <0.00098 <0.00095 <0.00093 <0.00086 <0.0011 <0.00089 <0.00063 <0.00064 <0.00056 0.0215
0.0069 J 0.0102 0.0123 J 0.0165 <0.0026 0.0126 0.0106 J 0.0057 J 0.0082 J 0.0047 J 0.0087 J 0.0087 J 0.0041 J 0.0113 <0.0031 <0.0032 <0.0027 <0.0027
<0.00071 <0.00069 <0.00084 <0.00076 <0.00088 <0.00074 <0.00085 <0.00069 <0.00080 <0.00078 <0.00076 <0.00070 <0.00086 <0.00073 <0.00054 <0.00056 <0.00048 <0.00047
<0.00079 <0.00077 <0.00093 <0.00085 <0.00098 <0.00082 <0.00094 <0.00076 <0.00089 <0.00087 <0.00084 <0.00078 <0.00095 <0.00081 <0.0011 <0.0011 <0.00095 <0.00093
< 0.00097 < 0.00095 < 0.0011 < 0.0010 < 0.0012 < 0.0010 < 0.0012 < 0.00094 < 0.0011 < 0.0011 < 0.0010 < 0.00096 < 0.0012 < 0.0010 < 0.0013 < 0.0013 < 0.0011 < 0.0011
< 0.0021 < 0.0021 < 0.0025 < 0.0023 < 0.0027 < 0.0022 < 0.0026 < 0.0021 < 0.0024 < 0.0023 < 0.0023 < 0.0021 < 0.0026 < 0.0022 < 0.0035 < 0.0036 < 0.0031 < 0.0030
<0.0015 <0.0014 <0.0017 <0.0016 <0.0017 <0.0016 <0.0017 <0.0014 <0.0015 <0.0015 <0.0016 <0.0015 <0.0016 <0.0014 <0.100 <0.100 <0.090 <0.097
0.0106 <0.0011 <0.0014 <0.0014 <0.0014 <0.0013 <0.0014 <0.0011 <0.0013 <0.0012 <0.0013 <0.0012 <0.0014 <0.0012 <0.100 <0.110 <0.093 <0.100
<0.0042 <0.0038 <0.0047 <0.0045 <0.0046 <0.0044 <0.0047 <0.0038 <0.0042 <0.0042 <0.0045 <0.0041 <0.0045 <0.0039 <0.100 <0.100 <0.089 <0.096
<0.0042 <0.0038 <0.0047 <0.0045 <0.0046 <0.0043 <0.0046 <0.0038 <0.0042 <0.0041 <0.0044 <0.0040 <0.0045 <0.0039 <0.110 <0.110 <0.096 <0.100
<0.0079 <0.0072 <0.0088 <0.0085 <0.0087 <0.0082 <0.0087 <0.0071 <0.0079 <0.0078 <0.0083 <0.0076 <0.0085 <0.0073 <0.094 <0.097 <0.084 <0.090
<0.0051 <0.0047 <0.0057 <0.0055 <0.0056 <0.0053 <0.0057 <0.0046 <0.0052 <0.0050 <0.0054 <0.0050 <0.0055 <0.0047 <0.100 <0.110 <0.093 <0.100
<0.083 <0.076 <0.093 <0.090 <0.092 <0.087 <0.092 <0.075 <0.084 <0.082 <0.088 <0.081 <0.090 <0.077 <0.100 <0.110 0.110 J <0.100
<0.053 <0.049 <0.060 <0.058 <0.059 <0.056 <0.059 <0.048 <0.054 <0.053 <0.057 <0.052 <0.058 <0.049 <0.042 <0.043 <0.037 <0.040
0.0091 <0.0018 <0.0022 <0.0021 <0.0021 <0.0020 <0.0021 <0.0018 <0.0020 <0.0019 <0.0021 <0.0019 <0.0021 <0.0018 <0.110 <0.110 <0.096 <0.100
<0.053 <0.048 <0.060 <0.057 <0.058 <0.055 <0.059 <0.048 <0.054 <0.052 <0.056 <0.051 <0.057 <0.049 <0.110 <0.110 <0.099 <0.110
<0.046 <0.042 <0.052 <0.050 <0.051 <0.048 <0.051 <0.042 <0.047 <0.046 <0.049 <0.045 <0.050 <0.043 <0.042 <0.043 <0.037 <0.040
0.0127 <0.0016 <0.0019 <0.0019 <0.0019 <0.018 <0.0019 <0.0016 <0.0017 <0.0017 <0.0018 <0.0017 0.0114 <0.0016 <0.100 <0.100 <0.090 <0.097
<0.0059 <0.0054 <0.0066 <0.0064 <0.0065 <0.0061 <0.0065 <0.0053 <0.0060 <0.0058 <0.0062 <0.0057 <0.0064 <0.0055 <0.092 <0.095 <0.082 <0.088
0.0054 J <0.0010 <0.0012 <0.0012 <0.0012 <0.0011 <0.0012 <0.0010 <0.0011 <0.0011 <0.0012 <0.0011 <0.0012 <0.0010 <0.110 <0.110 <0.094 <0.100
0.0208 <0.0024 <0.0030 <0.0029 <0.0030 <0.0028 <0.0030 <0.0024 <0.0027 <0.0026 <0.0028 <0.0026 0.0074 J <0.0025 <0.110 <0.110 <0.097 <0.100
4.7 0.66 J 3.2 3.2 3.9 12.0 5.8 0.65 9.7 1.2 2.4 2.3 3.2 1.7 8.4 4.7 4.9 3.6
426 20 J 69.5 33.8 218 80.9 286 17.5 54.0 35.6 167 148 171 26.7 783 166 5,550 417
<0.066 <0.28 <0.069 <0.067 <0.39 <0.37 0.52 0.089 0.29 J 0.18 0.38 0.25 J 0.51 0.12 J 0.14 J 0.039 J 0.86 J 0.42
22.4 6.6 28.3 14.4 33.2 22.9 34.9 8.6 13.5 17.4 28.4 17.3 41.3 10.3 24.5 27.7 55.3 27.5
10.5 3.9 12.5 6.7 18.5 14.8 15.0 3.3 17.0 6.7 9.7 4.6 26.8 4.2 58.7 14.5 124 37.0
<0.0077 <0.0063 0.0098 J <0.0078 <0.0083 <0.0078 <0.0080 <0.0065 <0.0069 <0.0075 <0.0078 <0.0073 0.046 <0.0067 0.063 <0.017 0.61 0.19
0.87 <0.68 0.90 0.55 J <0.93 <0.89 1.7 <0.15 0.59 J 0.54 J 0.91 0.68 1.4 0.35 J <0.93 <0.19 <0.81 <0.17
0.073 J <0.23 <0.055 <0.054 <0.31 <0.30 0.14 J <0.048 0.063 J <0.056 0.15 J 0.073 J 0.19 J <0.050 <0.076 <0.078 0.068 J <0.070
NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
<4.8 <4.3 <5.1 <5.0 <5.0 <4.8 <5.1 <4.1 <4.8 <4.8 <5.1 <4.4 <5.2 <4.4 NA NA NA NA
<4.8 <4.3 <5.2 <5.0 <5.0 <4.8 <5.1 <4.1 <4.9 <4.8 <5.2 <4.5 <5.3 <4.5 NA NA NA NA
<4.8 <4.3 <5.2 <5.0 <5.0 <4.8 <5.1 <4.1 <4.9 <4.8 <5.2 <4.5 <5.3 <4.5 NA NA NA NA
<4.8 <4.3 <5.1 <5.0 <5.0 <4.8 <5.1 <4.1 <4.8 <4.8 <5.1 <4.4 <5.2 <4.4 NA NA NA NA
Page 7 of 9EPA CES Data.xlsx: Site Soil
Table 4
Summary of Off‐Site Soil Data
CES Environmental Services
TSB1 TSB2 TSB3 CES‐CS‐01‐51 CES‐CS‐02‐51 CES‐CS‐03‐51 CES‐CS‐04‐51 CES‐CS‐05‐51 CES‐CS‐06‐51 CES‐CS‐07‐51 CES‐CS‐08‐51 CES‐CS‐09‐51
2 ‐ 3 feet 1 ‐ 2 feet 2 ‐ 3 feet
12/21/2010 12/21/2010 12/21/2010 8/6/2014 8/6/2014 8/6/2014 8/6/2014 8/6/2014 8/6/2014 8/6/2014 8/6/2014 8/6/2014
1,2,4‐Trimethylbenzene ‐‐‐ 150 49 NA NA NA 0.0091 <0.00039 <0.00058 <0.00069 <0.00053 <0.00054 <0.00055 <0.00072 <0.00064
1,3,5‐Trimethylbenzene ‐‐‐ 110 53 NA NA NA 0.0024 J <0.00091 <0.0013 <0.0016 <0.0012 <0.0013 <0.0013 <0.0017 <0.0015
Acetone ‐‐‐ 66000 43 <0.0059 <0.0062 <0.0066 0.0711 J <0.0097 <0.014 <0.017 <0.013 0.0303 J <0.014 <0.0018 0.0194 J
Carbon disulfide ‐‐‐ 4600 14 <0.0012 <0.0012 <0.0013 0.0035 J <0.00056 <0.00083 <0.0010 <0.00077 <0.00078 <0.00080 <0.0010 <0.00092
Ethylbenzene ‐‐‐ 6400 7.6 <0.00059 <0.00062 <0.00066 0.0133 <0.00094 <0.0014 <0.0017 <0.0013 <0.0013 <0.0013 <0.0017 <0.0015
Methyl ethyl ketone ‐‐‐ 40000 29 < 0.0022 < 0.0024 < 0.0025 0.0262 J <0.0049 <0.0071 <0.0086 <0.0066 <0.0067 <0.0069 <0.0089 <0.0079
Toluene ‐‐‐ 5900 8.2 <0.00059 <0.00062 <0.00066 0.0027 J <0.00099 <0.0015 <0.0017 <0.0013 <0.0014 <0.0014 <0.0018 <0.0016
Xylenes (Total) ‐‐‐ 6000 120 <0.0012 <0.0012 <0.0013 0.0186 J <0.0027 <0.0040 <0.0048 <0.0037 <0.0037 <0.0038 <0.0050 <0.0044
Benzo(b)fluoranthene ‐‐‐ 5.7 60 NA NA NA <0.082 <0.048 <0.059 <0.060 0.115 J 0.0639 J <0.059 <0.062 <0.065
bis(2‐Ethylhexyl)phthalate ‐‐‐ 43 160 NA NA NA <0.260 <0.150 0.235 <0.190 0.258 <0.180 <0.180 <0.190 <0.210
Fluoranthene ‐‐‐ 2300 1900 NA NA NA <0.110 <0.063 <0.078 <0.078 0.0836 J <0.076 <0.077 <0.081 <0.085
Pyrene ‐‐‐ 1700 1100 NA NA NA <0.150 <0.085 <0.100 <0.110 0.119 J <0.100 <0.100 <0.110 <0.110
Aluminum 30,000 65000 170000 NA NA NA 18,800 11,000 14,100 14,400 12,800 18,500 24,900 26,600 24,500
Antimony 1 15 5.4 NA NA NA 1.4 J <0.55 0.33 J 0.32 J 0.36 0.46 0.24 J 0.13 J 0.26 J
Arsenic 5.9 24 5.0 4.6 3.3 4.32 6.8 8.4 2.1 2.5 2.8 2.9 3.4 4.0 3.7
Barium 300 8100 440 190 145 181 432 60.2 100 98.1 112 152 144 129 147
Beryllium 1.5 38 1.8 NA NA NA 2.7 0.55 0.55 0.86 1.1 1.5 1.1 1.2 1.5
Cadmium ‐‐‐ 52 1.5 0.219 J 0.0676 J 0.23 J 0.85 J 0.22 J 0.44 0.61 0.54 0.74 0.55 0.26 J 0.39
Calcium ‐‐‐ ‐‐‐ ‐‐‐ NA NA NA 121,000 101,000 19,000 14,700 20,200 24,400 25,200 11,100 22,000
Chromium 30 33000 2400 21.6 14 21.5 34.2 11.1 15 18 16.5 23 25.3 25.2 25.8
Cobalt 7 400 220 NA NA NA 6.1 4.1 3.8 4.8 4.2 4.8 5.0 6.7 5.7
Copper 15 1300 1000 NA NA NA 48.4 10.2 16.2 17.5 20.9 22.3 17.3 14.9 18
Iron 15,000 ‐‐‐ ‐‐‐ NA NA NA 12,800 14,100 10,900 10,100 9,810 12,100 14,800 16,400 14,800
Lead 15 500 3.0 61.2 23.7 30.6 69.9 31 48.7 124 75.7 90.3 53.1 57.3 61.3
Magnesium ‐‐‐ ‐‐‐ ‐‐‐ NA NA NA 2,710 1,450 2,000 1,830 1,830 2,360 2,730 2,800 2,870
Manganese 300 3900 3400 NA NA NA 288 100 145 198 184 207 184 199 327
Mercury 0.04 3.6 0.0078 0.0232 0.0161 0.0126 1.6 0.035 0.066 0.11 0.087 0.11 0.13 0.051 0.31
Nickel 10 840 160 NA NA NA 95.9 8.4 10.9 11.8 13.4 16.8 14.9 14.4 15.1
Potassium ‐‐‐ ‐‐‐ ‐‐‐ NA NA NA 1,950 1,010 1,790 1,430 1,690 1,860 2,100 2,290 2,100
Selenium 0.3 310 2.3 0.736 0.98 1.2 1.9 1.6 0.71 0.73 0.57 0.44 0.6 0.69 0.79
Silver ‐‐‐ 97 0.48 0.12 J 0.0993 J 0.162 J 0.094 J <0.042 <0.050 <0.050 0.13 J <0.047 <0.049 <0.050 <0.057
Sodium ‐‐‐ ‐‐‐ ‐‐‐ NA NA NA 465 J 316 160 J 167 J 207 J 211 J 306 J 152 J 123 J
Vanadium 50 76 880 NA NA NA 32.8 41.2 20.8 21.4 18.7 26.2 34.7 38.4 33.8
Zinc 30 9900 2400 NA NA NA 354 64.9 130 216 171 210 144 88.2 143
TPH (>C12‐C28) ‐‐‐ 2300 200 <19 <19 <23 234 <17 <20 <21 <19 <19 <20 <25 <24
TPH (>C28‐C35) ‐‐‐ ‐‐‐ ‐‐‐ <19 <19 <23 147 <17 <20 <21 <19 <19 <20 <25 <24
TPH (>C6‐C35) ‐‐‐ ‐‐‐ ‐‐‐ <19 <19 <23 381 <14 <16 <18 <16 <15 <17 <21 <20
alpha‐Chlordane ‐‐‐ 13 740 NA NA NA <0.0071 0.0033 J 0.0032 J <0.0010 0.0024 J <0.0025 <0.0010 <0.0011 <0.0011
gamma‐Chlordane ‐‐‐ 7.4 41 NA NA NA <0.0075 <0.0022 <0.0027 <0.0011 <0.0025 <0.0027 0.0012 J <0.0011 <0.0011
Notes:
Concentrations presented in milligrams per kilogram (mg/kg)
< ‐ Analyte reported as non‐detect at associated MDL
Bolded values are concentrations detected above the MDL
J ‐ Reported concentration is estimated
Protective Concentration Level (PCL) Tables, 0.5‐acre, Nov. 12, 2014.
Background 30 TAC 350.51(m) Texas‐specific median background
MDL ‐ Method detection limit
‐‐‐ Not applicable
NA ‐ Not analyzed
Shaded values in blue denotes detections with exceedances of the
higher of background (metals only) or the residential GWSoilIng PCL.
Analyte
Pesticides by Method 8081
Total Petroleum Hydrocarbons by TX 1005
Metals by Method 6010
SVOCs by Method 8270
VOCs by Method 8260
Background TotSoilComb GWSoilIng
Page 8 of 9 EPA CES Data.xlsx: Off‐site Soil
Table 5
Summary of Groundwater Data
CES Environmental Services
TSB1 TSB2 TSB3
12/21/2010 12/21/2010 12/21/2010
Arsenic 0.010 1.0 0.00134 J 0.00502 0.00159 J
Barium 2.0 200 0.0787 0.618 0.15
Chromium 0.10 10 0.00148 J 0.116 0.00181 J
Lead 0.015 1.5 0.00083 J 0.025 0.000865 J
Notes:
Concentrations presented in milligrams per Liter (mg/L)
Bolded values are detected above the MDL
J ‐ Reported concentration is estimated
Shaded values in blue denotes concentrations exceeding the residential GWGWIng protective concentration level (PCL) (November 12, 2014)
Analyte
GWGWIngGWGWClass3
Metals by Method 6020
Page 9 of 9
CES Environmental Services Voluntary Cleanup Program Application
Project No. 4006 May 2015
FIGURES
Figure 1 Site Location Map
Figure 2 Site Map
Figure 3 Sample Location Map
SITE
DATE:
PROJECT:
PASTOR, BEHLING & WHEELER, LLC
CONSULTING ENGINEERS AND SCIENTISTS
REVISIONS
CHECKED:
BY:
Figure 1
AJD
BBFEB., 2015
4006
CES ENVIRONMENTAL SERVICES
4904 GRIGGS ROAD
HOUSTON, TEXAS
300015000
Scale in Feet
SOURCE:
Base map from www.tnris.gov, Park Place, TX 7.5 min. USGS quadrangle dated 1982.
TEXAS
QUADRANGLE LOCATIONS
5910 Wayland St.
Former
Holiday Place
Townhomes
4904 Griggs Road
DATE:
PROJECT:
PASTOR, BEHLING & WHEELER, LLC
CONSULTING ENGINEERS AND SCIENTISTS
REVISIONS
CHECKED:
BY:
Figure 2
AJD
BBFEB., 2015
4006
2001000
Approx. Scale in Feet
Approx. Subject Property Boundary
Source:
Imagery taken from Google Earth, photography dated 4/8/2014.
CES ENVIRONMENTAL SERVICES
4904 GRIGGS ROAD
HOUSTON, TEXAS
TSB-3
TSB-2
TSB-1
SB-11
SB-12
SB-13
SB-1
SB-3
Sample 1
SB-5
SB-4
SB-6
SB-2
Sample 2
Sample 3
SB-7
N. Tanks #1
N. Tanks #2
Sample 8
SB-10
S. Tanks #2
S. Tanks #1
Sample 4
Sample 5
SB-8
SB-9
Sample 7
Sample 6
CES-CS-03-51
CES-CS-02-51
CES-CS-04-51
CES-CS-05-51
CES-CS-06-51
CES-CS-01-51
CES-CS-07-51
CES-CS-08-51
CES-CS-09-51
SP-1
SB-11
SP-2
SB-7
SB-8
SB-3
SB-4
SB-5
SB-6
SB-9
SB-10
SB-1
SB-2
120600
Approx. Scale in Feet
Source:
Imagery taken from Google Earth, photography dated 4/8/2014.
DATE:
PROJECT:
PASTOR, BEHLING & WHEELER, LLC
CONSULTING ENGINEERS AND SCIENTISTS
REVISIONS
CHECKED:
BY:
Figure 3
AJD
BBFEB., 2015
4008
CES ENVIRONMENTAL SERVICES
4904 GRIGGS ROAD
HOUSTON, TEXAS
Approx. Property Boundary
Sample Location - TCEQ
(October 10, 2009 Soil Sample Data)
Sample Location - TGE Resources, Inc.
(Phase II Environmental Site Assessment,
Holiday Townhomes, January 4, 2011)
Sample Location - US EPA
(September 2014 Sample Location Map)
Sample Location - Trustee
(January 8, 2014 Soil Sample Data, Ikon Solutions)
Sample Location - Enercon
(Phase II Environmental Site Assessment,
CES Environmental Services, August 17, 2010)
Sample Location - WCM Group, Inc.
(September 21, 1996 Soil Sample Data)
CES Environmental Services Voluntary Cleanup Program Application
Project No. 4006 May 2015
Attachments
CES Environmental Services Voluntary Cleanup Program Application
Project No. 4006 May 2015
Attachment 1 Preliminary Assessment CES Environmental Services
PRELIMINARY ASSESSMENT
CES Environmental Services Houston, Harris County, Texas
TXD008950461
REGION 6
Prepared in cooperation with the U.S. Environmental Protection Agency
January 2015
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
2
PROJECT CONTACTS EPA: Bret Kendrick, Site Assessment Manager
U.S. Environmental Protection Agency, Region 6 Superfund Site Assessment Section 1445 Ross Avenue, Suite 1200 Dallas, Texas 75202-2733 (214) 665-2240
TCEQ: Audrey Smith, Project Manager
(713) 767-3721 Stephen Ellis, PA/SI Program Manager
(512) 239-5337
Texas Commission on Environmental Quality Superfund Section, Remediation Division P.O. Box 13087, MC-136 Austin, Texas 78711 (512) 239-4134 FAX (512) 239-2450
SITE CONTACTS Bankruptcy Trustee: David Askanase Hughes Watters & Askanase LLP Three Allen Center 333 Clay Street, 29th Floor Houston, Texas 77002 (713) 328-2802
(713) 759-0818
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
3
TABLE OF CONTENTS Page 1 INTRODUCTION ......................................................................................................... 4 2 SITE INFORMATION .................................................................................................. 5
2.1 SITE LOCATION ................................................................................................... 5 2.2 SITE DESCRIPTION ............................................................................................. 5 2.3 OWNERSHIP HISTORY ....................................................................................... 6 2.4 OPERATIONS AND WASTE CHARACTERISTICS .............................................. 7 2.5 PREVIOUS INVESTIGATIONS ............................................................................ 9 2.6 SITE VISIT ............................................................................................................ 11 2.7 SOURCES ............................................................................................................. 12
2.7.1 Source 1: Aboveground Storage Tanks ......................................................... 12 2.7.2 Source 2: Vats, Totes and Drums ................................................................. 12 2.7.3 Source 3: Frac Tanks, Vacuum Boxes and Roll-off Boxes ............................ 13 2.7.4 Source 4: Tanker Trailers 407 and 408 ........................................................ 14 2.7.5 Source 5: Wastewater Treatment Tanks....................................................... 14 2.7.6 Source 6: Laboratory Containers, Chemical Products and Waste Piles ...... 14
3 MIGRATION/EXPOSURE PATHWAYS ................................................................... 19 3.1 GROUND WATER MIGRATION PATHWAY ..................................................... 19
3.1.1 Geologic Setting ............................................................................................ 19 3.1.2 Aquifer System .............................................................................................. 21 3.1.3 Drinking Water Receptors ............................................................................ 23
3.2 SURFACE WATER MIGRATION PATHWAY .................................................... 24 3.2.1 Overland Route ............................................................................................. 24 3.2.2 Drinking Water Receptors ............................................................................ 25 3.2.3 Human Food Chain Receptors ..................................................................... 25 3.2.4 Environmental Receptors ............................................................................. 25
3.3 SOIL EXPOSURE PATHWAY ............................................................................. 26 3.3.1 Site Setting and Sources ............................................................................... 26 3.3.2 Receptors ....................................................................................................... 28
3.4 AIR MIGRATION PATHWAY ............................................................................. 28 3.4.1 Air Pathway Receptors .................................................................................. 28 3.4.2 Environmental Receptors ............................................................................. 29
4 REFERENCES ........................................................................................................... 32 FIGURES
Figure 1. Site Location Map............................................................................................... 16 Figure 2. Site Features Map ............................................................................................... 17 Figure 3. Site Proximity Features Map ............................................................................. 18 Figure 4. 4-Mile Target Distance Limit Map .................................................................... 30 Figure 5. 15-Mile Downstream Target Distance Limit Map ............................................. 31 TABLES
Table 3-1 Stratigraphic and Hydrogeologic Framework of the site.................................. 20
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
4
1 INTRODUCTION
The Texas Commission on Environmental Quality (TCEQ) was tasked by the United
States Environmental Protection Agency (EPA) Region 6 to conduct a Preliminary
Assessment (PA) at the CES Environmental Services site in Houston, Harris County,
Texas. The specific goals for the PA are:
• Determine the potential threat to public health or the environment posed by the
site;
• Determine the potential for a release of hazardous constituents into the
environment; and
• Determine the potential for placement of the site on the National Priorities List
(Ref. 1).
Completion of the PA was consistent with EPA guidance for performing preliminary
assessments under CERCLA and included reviewing existing site information, collecting
receptor information within the range of site influence, determining regional geology,
ground water, surface water, determining surrounding population characteristics, and
conducting on- and off-site reconnaissance. This document includes a discussion of
background site information (Section 2), a discussion of migration/exposure pathways
and potential receptors (Section 3), and a list of pertinent references (Section 4) (Ref. 1;
Ref. 2; Ref. 3).
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
5
2 SITE INFORMATION
2.1 SITE LOCATION
Site Name: CES Environmental Services
CERCLIS ID No.: TXD008950461
Location: 4904 Griggs Rd.
Houston, Harris County, Texas, 77021
Latitude: 29.69993°N
Longitude: 95.3429°W
Legal Description: TRS 7A 7B 7C 9A 10A 11C 12A 19 22 & 23
ABST 1020 WCRR CO SEC 2
Congressional District: 18
2.2 SITE DESCRIPTION
CES Environmental Services (CES) is listed in the EPA Envirofacts database as
providing general freight trucking, nonhazardous waste treatment and disposal,
miscellaneous waste management services, and remediation services (Ref. 14, p. 2). The
CES site consists of three adjacent properties with a total area of 7.9 acres (Ref. 4, pp. 1,
3, 5). The site is located in a mixed commercial and residential area near the intersection
of Griggs Road and Wayland Street in Houston, Harris County, Texas (Figures 1 and 2).
Buildings currently present at the site and formerly used in business operations include
a business office, a training center/locker room, the main processing facility, the tank
wash office, a shed, and a warehouse. The main processing facility is a metal building
that consists of a combined wastewater treatment system located in the north end, and a
former laboratory and drum/container receiving area located in the south end. The
former tank wash office is located in a separate metal building south of the main
processing facility. Wastes are staged throughout the site in a myriad of vessels,
including vacuum boxes, roll-off boxes, frac tanks, tanker trailers, totes, vats, drums,
aboveground storage tanks, and other miscellaneous smaller containers (Ref. 5, pp. 6, 8,
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
6
10, 12, 14; Ref. 6, pp. 6, 7, 9, 11-28). Ponded storm water has been observed in the
southwest corner and north end of the site in multiple TCEQ site visits (Ref. 6, pp. 3, 8,
15, 21; Ref. 7, pp. 2-4, 6, 7, 9, 10, 12, 17, 22, 25). Operations at the facility ceased in 2010
due to bankruptcy liquidation, and the site is currently inactive (Ref. 8, p. 1; Ref. 9, p. 1).
The properties located immediately east and south of the site are residences (Figure 3).
A few of the residences bordering the northeast corner of the site are currently
abandoned (Ref. 5, p. 16). Griggs Road borders the site to the north, and other
residences are present on the north side of the road. A vacant, open lot is located on the
west side of Wayland Street, north of the on-site warehouse. The Beatrice Mayes
Institute Charter School is located northwest of the on-site warehouse, adjacent to the
vacant lot (Figure 3). The school uses the property located southwest of the on-site
warehouse for physical education activities (Ref. 5, p. 2). This property is not currently
considered part of the CES site; however, according to historical aerial photos, it
appears to have been used for business operations associated with the site beginning at
some point after 1943 and continuing until as recently as 2007 (Ref. 10, pp. 1-6).
2.3 OWNERSHIP HISTORY
Prior to commercial development in the early 1940s, the properties associated with the
site were used as agricultural land (Ref. 49, p. 14). In the early 1940s, the Younger
family used the site for their business to sell horses to the United States Army. Their
business grew into transportation by livestock-drawn flatbed trailers, which later
became a flatbed trucking business (Ref. 49, p. 20). The oldest building still located on-
site, the warehouse on Wayland Street, dates to 1977 (Ref. 10, p. 2). Younger
Transportation owned the 4904 Griggs Road property from 1984 to 1988, and was
merged into Younger Brothers Inc. in 1986. Between 1988 and 1998 the property was
owned by Younger Brothers Inc., which used it for tank truck dispatch, cleaning, fueling,
and storage and maintenance (Ref. 4, p. 7; Ref. 49, p. 5). In 1998 the property was sold
to Suttles Truck Leasing Inc., a freight shipping and trucking company that
accommodated hazardous material and hazardous waste transport needs. Dana
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
7
Transport Inc. acquired Suttles Truck Leasing Inc., in 2000 (Ref. 4, p. 7; Ref. 12, p. 12;
Ref. 50, p. 1).
CES acquired the property at 4904 Griggs Road on June 11, 2002, and operated as a
domestic for-profit corporation (Ref. 4, p. 7; Ref. 11, p. 1). The properties located at 4904
Griggs Road, 4900 Griggs Road and 5910 Wayland Street are currently owned by CES,
with Matt Bowman as the registered agent (Ref. 4, pp. 1, 3, 5). On August 13, 2010, the
company filed for bankruptcy and David Askanase was appointed as the Bankruptcy
Trustee. He began assessment and disposal of many of the wastes left at the property
(Ref. 8, p. 1; Ref. 29, p. 8).
2.4 OPERATIONS AND WASTE CHARACTERISTICS
Younger Brothers Inc. used tank truck trailers to haul a variety of petrochemicals.
Products stored or used at the property between 1984 and 1998 include sodium
hydroxide, inorganic acid, sulfuric acid, caustic tank cleaner, and diesel fuel (Ref. 4, p. 7;
Ref. 49, p. 5). Truck washing sludge was disposed at the property in an onsite landfill for
disposal of Class III inert waste materials. The landfill is no longer present at the site but
its previous location may have coincided with the portion of the Kuhlman/Belmont
Gully that once flowed through the property (Ref. 49, p. 7, 20).
CES began operating at the site in 2002 as a tank truck cleaning facility and a combined
waste treatment facility. The facility cleaned approximately 3,000 truck trailers, roll-off
boxes, totes, and other types of transportation equipment each year. CES removed and
managed petroleum products, paint thinners, acids, and caustic soda solutions from the
containers (Ref. 29, pp. 3-4). Other services at the facility included used oil recycling,
waste transportation, waste packaging, and waste disposal. The company managed
hazardous industrial wastes and wastewater, and was registered as a solid waste
generator, receiver, transporter, and transfer facility (Ref. 29, p. 4).
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
8
CES has an industrial waste permit, TCEQ IHW Permit No. 39048, as well as a permit
to pre-treat wastewater, Permit No. TXR05T850 (Ref. 29, p. 4). Wastewater discharged
by the facility was handled by the City of Houston through the Industrial Waste Permit
Nos. 6806 and 9558. Permit No. 6806 was terminated in October 2009 after the
company discharged hazardous waste in violation of this permit into the City of Houston
sanitary sewer system (Ref. 29, p. 4; Ref. 30, p. 1). This discharge reportedly destroyed
the City of Houston’s ability to treat waste at the Sims Bayou wastewater treatment
facility, and caused a release of phenolic compounds into Sims Bayou (Ref. 32, p. 1; Ref.
31, pp 1-2). The company also registered for air permit-by-rule (PBR) 83191 to handle
and recover methylene chloride, as well as PBR 83798 to authorize an oil quality
improvement operation that treated oil to remove water and other impurities (Ref. 34, p.
2; Ref. 33, p. 2).
Other operations at the facility included recycling of methyl ethyl ketone (MEK) wastes.
Mixtures of either methanol, non-volatile polymer solids and water, or MEK and water
entered the facility through tank trucks and were pumped into the recycle distillation
system for processing. Water from the distillation process was sent to the on-site
wastewater treatment facility (Ref. 35, p. 3). On December 6, 2008, an explosion
occurred at the site due to CES’s attempt to combust MEK vapors or liquids in the
thermal oxidizer. The event released 239 pounds of MEK to the atmosphere in 13
minutes, exceeding the rate of 1.8 pounds per hour, calculated as the maximum
authorized rate in 30 Texas Administrative Code §106.262. On July 7, 2009, another
explosion occurred during the opening of a hatch on a tanker truck, and resulted in the
release of 36.87 pounds of methanol and ethanol (Ref. 29, pp. 37-39).
During a site visit in March 2009, TCEQ investigators noted that a 20,000 gallon tank
used by CES to store incoming wastewater had no secondary containment. The
wastewater constituted characteristically hazardous waste due to benzene toxicity. The
investigators also noticed eleven 300-gallon totes, four “first flush” totes in wash bays,
and four 55-gallon drums, all containing hazardous wastes. In addition, two tanker
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
9
trucks (Nos. 7253 and 221) containing characteristically hazardous waste due to
methanol toxicity were observed (Ref. 29, pp. 36-37).
Between March 2005 and March 2009, the TCEQ documented at least 20
environmental violations that resulted in enforcement actions. These violations included
failure to maintain records, storage of non-permitted hazardous wastewater, operation
of tanks without secondary containment, failure to conduct required tests and
inspections, and failure to label hazardous waste containers (Ref. 13, pp. 1-2). Since
2009 there have been two formal enforcement actions and two informal enforcement
actions associated with the site. During the last facility inspection in April 2010, 15
RCRA violations were documented (Ref. 9, p. 4).
2.5 PREVIOUS INVESTIGATIONS
In May 2009, soil and ground water samples were collected approximately two blocks
east of the CES facility as part of a Limited Phase II Environmental Site Assessment that
was conducted at 4922 Griggs Road (Ref. 36, p. 3, 9). Ground water samples collected at
a depth of 20-30 feet below ground surface from three borings at the property had
concentrations of 1,2-dibromo-3-chloropropane, tetrachloroethene, trichloroethene,
and 1,2-dichloroethane at levels exceeding their respective maximum contaminant
levels (MCLs). Chloroform was also detected in one of these samples at a level
exceeding the SCDM benchmark for cancer risk (Ref. 36, pp. 5, 14-15; Ref. 52, pp. 10, 12,
13, 18, 19). Soil samples collected at a depth of 2-5 feet had concentrations of arsenic at
levels exceeding the SCDM soil pathway benchmark for cancer risk (Ref. 36, pp. 11-13;
Ref. 52, p. 6). The assessment identified CES as a potential source of this contamination
(Ref. 36, p. 6).
Soil samples were collected at the CES site on October 1, 2009, by the TCEQ Industrial
and Hazardous Waste Section. Detected analytes included polycyclic aromatic
hydrocarbons, metals, phthalates, and methylene chloride. Additionally,
benzo(a)anthracene, benzo(a)pyrene, indeno(1,2,3-cd)pyrene, arsenic, and chromium
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
10
were detected at levels exceeding their respective SCDM soil pathway benchmarks (Ref.
37, pp. 8-55; Ref. 52, pp. 6-8, 11, 14).
In March 2014, vandals dumped the contents of two tanker trailers and seven roll-off
boxes on the ground and into on-site containment structures in order to steal the
equipment (Ref. 38, p. 1). An emergency action was conducted by the TCEQ Houston
Regional Office in response. TCEQ personnel secured the entry gate, placed piles of
contaminated debris on plastic sheeting with plastic covering, and used soil to build
containment dikes around chemical containers and secondary containment structures
(Ref. 39, p. 4).
On August 1, 2014, a release from an open valve on Tanker Trailer 408 occurred (Ref. 7,
pp. 1, 6; Ref. 6, p. 12). Storm water runoff from the site carried the oily water mixture
into the residential neighborhood southwest of the site on Kingsbury Street (Ref. 38, p.
1). The City of Houston and TCEQ Houston Regional Office conducted another
emergency action in response, which consisted of removing the spilled material from
storm sewers, flushing the storm sewers, removing the oily material from ponded areas
on the site, repairing soil containment structures, and placing a containment structure
to prevent offsite drainage from the facility. The EPA repaired the security fencing
around the site, and sampled soil in the drainage ditch, storm water, air, and the
contents of Tanker Trailer 408 (Ref. 39, p. 4; Ref. 7, p. 6). Storm water samples collected
in a vegetated drainage ditch along the surface water pathway located next to Wayland
Street, between Keystone Street and Dewberry Street, indicated detections of acetone,
MEK, metals, pesticides, 1-methylnaphthalene, 2-methylnaphthalene, and phenolic
compounds. Aluminum, lead, nickel, selenium, and alpha-chlordane were detected at
levels exceeding the SCDM surface water pathway environmental benchmark for acute
freshwater exposure (Ref. 42, pp. 1-19; Ref. 47, p. 1; Ref. 52, pp. 5, 9, 15-17).
The EPA began a response action in August 2014 to sample the on-site containers and
dispose of the chemicals which are considered to pose a threat to public health and
welfare. This ongoing removal action will include the clean-up and disposal of all
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containers and visually contaminated asphalt, concrete, soil and debris. The EPA also
plans to dewater the pooled areas of the site and remove contaminated sediment.
Samples collected in September 2014 from the ponded storm water at the site indicated
detections of acetone, arsenic, manganese, lead and 4-methyl-2-pentanone. Aluminum,
lead and nickel were detected at levels exceeding the SCDM surface water pathway
environmental benchmark for acute freshwater exposure (Ref. 42, pp. 20-61; Ref. 52, pp.
5, 15, 16). Contaminated storm water will be discharged into the City of Houston’s
sanitary sewer to reduce runoff into the storm drains (Ref. 38, p. 2). The Trustee
continues to address waste issues at the site in coordination with the TCEQ and EPA
(Ref. 38, p. 1).
2.6 SITE VISIT
On September 24, 2014, TCEQ Superfund Section staff visited the site and adjacent
residential neighborhoods. The earthen berm constructed by the City of Houston to
prevent storm water runoff from the site to Kingsbury Street was still in place (Ref. 5, p.
4; Ref. 6, pp. 3, 17). There was also an eroding earthen berm present on the northeast
side of the site to prevent surface water runoff into the residential properties on the east
side of the site. During large flood events, storm water may flow over the berm and into
residential backyards located along the eastern fence of the site. TCEQ staff also
observed several egrets and killdeer wading in the ponded surface water on the
southwest and north ends of the site (Ref. 5, p. 12; Ref. 6, p. 21).
TCEQ staff observed evidence of vandalism throughout the site. A former tanker trailer
reportedly cut apart by vandals was located near the former wastewater treatment
system inside the main processing facility. Black oil formerly contained within this
tanker trailer was dumped in the loading bay of the building. During the site visit, an
uncovered vat containing this oil was observed in the main processing facility. TCEQ
staff also observed a trash dumping area in front of the warehouse located on the west
side of Wayland Street (Ref. 5, p. 14; Ref. 6, pp. 23-25).
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2.7 SOURCES
Potential sources associated with the site include various chemicals contained within
aboveground storage tanks, vats, totes, drums, frac tanks, roll-off boxes, vacuum boxes,
tanker trailers, wastewater treatment tanks, and laboratory sampling containers.
Contaminated soils, asphalt, and concrete are also potential sources (Figure 2).
2.7.1 Source 1: Aboveground Storage Tanks
As of December 2014, 22 aboveground storage tanks (ASTs), each with an estimated
storage capacity between 16,000 and 20,000 gallons, were located at the site (Ref. 38, p.
1; Ref. 45, p. 1). These ASTs are classified into two groups referenced as the North ASTs
and the South ASTs (Figure 2). Both AST groups are surrounded by concrete secondary
containment; however, the concrete containment structure does not entirely surround
the ASTs. In places where concrete walls are missing, earthen berms have been
constructed to prevent releases from the containment structure (Ref. 7, p. 12). At the
time of the TCEQ site visit in September 2014, a black oily sludge material was observed
within the secondary containment of the South ASTs. This material appeared to be
leaking from the earthen portion of the containment wall (Ref. 6, pp. 14, 16).
Samples collected from the ASTs in September 2014 indicated detections of sulfide,
benzene, MEK and phenolic compounds, as well as other volatile organic compounds
(VOCs) and semi-volatile organic compounds (SVOCs) (Ref. 48, pp. 6-42). The contents
of three of these ASTs have been disposed as part of the ongoing EPA removal action
(Ref. 38, p. 1).
2.7.2 Source 2: Vats, Totes and Drums
Four vats containing oily material are located on-site (Ref. 46, p. 20). During the
September 2014 site visit, TCEQ staff observed an uncovered vat inside the main
processing facility that contained black oil previously recovered from the loading bay
located inside the building. Vandals reportedly cut apart a tanker trailer containing this
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material and dumped the oil in the loading bay (Ref. 5, p. 14; Ref. 6, pp. 23-24). Several
plastic and metal totes and drums were also scattered throughout the facility, many of
them rusted, smashed, corroded, bulging, or in poor condition. Many of these
containers were empty but some contained unidentified materials. TCEQ staff observed
the contents of some of the drums and totes spilling onto the ground, while others had
stained concrete or soil beneath them (Ref. 5, pp. 10, 12, 14, 16; Ref. 6, pp. 12-16, 19-28).
Several of the totes were stacked primarily on the concrete pad south of the South ASTs
(Ref. 5, p. 10; Figure 2).
The inventory conducted by the Bankruptcy Trustee in October 2010 identified
approximately 450 55-gallon drums containing acetone, sump sludge, spent caustic
material, sulfuric acid, spent carbon, residue oil, antifreeze, and ferric chloride.
Approximately 100 totes, each with a 300 gallon capacity, were also identified. They
contained oily water, spent caustic, sludge, sodium hydroxide, non-hazardous paint,
diesel, and ferric chloride (Ref. 45, pp. 1-7).
2.7.3 Source 3: Frac Tanks, Vacuum Boxes and Roll-off Boxes
As of December 2014, there were 12 frac tanks located at the site, each with a 20,000
gallon capacity (Ref. 45, pp. 1-7). One frac tank sampled in 2011 contained hazardous
levels of benzene, o-cresol, cresol, and 2,4,6-trichlorophenol. The other tanks contained
nonhazardous oily water (Ref. 39, pp. 19-22). Samples collected from these tanks in
August 2014 indicated detections of metals, MEK, acetone, naphthalene, benzene,
phenolic compounds, pesticides, herbicides, and several other SVOCs (Ref. 48, pp. 49-
72, 100-133). Three of the frac tanks have been disposed as part of the ongoing EPA
removal action (Ref. 38, p. 1).
On September 24, 2014, TCEQ staff observed evidence of corrosion and extensive red
staining on one of the roll-off boxes caused by an unidentified leaking substance (Ref. 5,
p. 12; Ref. 6, pp. 19-20). Some vacuum boxes on site contained hazardous phenolic
caustic substances with strong odors, while others contained oily water and oily sludge
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with detections of benzene (Ref. 39 pp. 31-50). All but two of these vacuum boxes have
been removed and disposed (Ref. 38, p. 1). These vacuum boxes were located
approximately five feet east of the fence that borders the western portion of the site
(Figure 2). The Beatrice Mayes Institute Charter School uses the property west of this
fence for physical education activities (Ref. 5, p. 2).
2.7.4 Source 4: Tanker Trailers 407 and 408
Tanker Trailers 407 and 408, each with a 5,000 gallon storage capacity, contained oily
water with solids (Ref. 45, p. 6; Ref. 46, p. 15). Samples collected from these trailers in
August 2014 indicated detections of acetone, MEK, naphthalene, ethylbenzene, toluene,
xylene, phenanthrene, dioxins, and phenolic compounds, as well as other VOCs and
SVOCs (Ref. 48, pp. 233-267). The contents of these tanker trailers have been disposed
as part of the EPA removal action (Ref. 38, p. 1).
2.7.5 Source 5: Wastewater Treatment Tanks
There are currently 19 wastewater treatment tanks at the site, each with an estimated
storage capacity of 10,000 gallons (Ref. 45. p. 4; Ref. 38, p. 1). The liquid waste within
these containers consists of a mixture of oily material, acids, and water (Ref. 46, 22).
Samples collected from these tanks in October 2014 indicated detections of acetone,
benzene, chloroform, methylene chloride, MEK, phenolic compounds, naphthalene,
carbon disulfide, and metals (Ref. 48, pp. 134-216).
2.7.6 Source 6: Laboratory Containers, Chemical Products and Waste Piles
TCEQ staff observed a wide variety of sampling containers, many containing unknown
chemicals, within the former laboratory of the main processing facility during the
September 2014 site visit (Ref. 6, p. 21). The Bankruptcy Trustee consolidated and
disposed of the chemicals within these containers, as well as many of the old chemical
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products stored in the warehouse on Wayland Street. Debris from stolen roll-off boxes
was also removed and disposed of by the Trustee (Ref. 38, p. 1).
!.!.
CES Environmental Services
4904 Griggs RoadHouston, Harris County, Texas
Figure 1: Site Location Map
¯The base map is a Collarless 24 K Digital RasterGraphic. Coordinate System: NAD 1983 UTM Zone15N. This map was generated by the RemediationDivision of the Texas Commission onEnvironmental Quality. It is intended for illustrativeor informational purposes only, and is not suitablefor legal, engineering, or survey purposes. Thismap does not represent an on-the-ground surveyconducted by or under the supervision of aregistered professional land surveyor. In caseswhere property boundaries are shown, it onlyrepresents their approximate relative location. Noclaims are made to the accuracy or completenessof the data or to its suitability for a particular use.For more information concerning this map, contactthe Remediation Division at 800-633-9363. Mapcreated by Adrienne Love in September 2014.
0 1 20.5Miles
Preliminary Assessm
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CES Environmental Services
4904 Griggs RoadHouston, Harris County, Texas
Figure 2: Site Features Map
¯The base map is 2010 ArcGIS Imagery from theCity of Houston. Coordinate System: NAD 1983UTM Zone 15N. This map was generated by theRemediation Division of the Texas Commission onEnvironmental Quality. It is intended for illustrativeor informational purposes only, and is not suitablefor legal, engineering, or survey purposes. Thismap does not represent an on-the-ground surveyconducted by or under the supervision of aregistered professional land surveyor. In caseswhere property boundaries are shown, it onlyrepresents their approximate relative location. Noclaims are made to the accuracy or completenessof the data or to its suitability for a particular use.For more information concerning this map, contactthe Remediation Division at 800-633-9363. Mapcreated by Adrienne Love in October 2014.
0 500 1,000250Feet
Vacuum BoxesFrac TanksTanker TrailersSite Boundary
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CES Environmental Services
4904 Griggs RoadHouston, Harris County, Texas
Figure 3: Site Proximity Features Map
¯
The base map is NAIP 2012 Digital Imagery.Coordinate System: NAD 1983 UTM Zone 15N.This map was generated by the RemediationDivision of the Texas Commission onEnvironmental Quality. It is intended for illustrativeor informational purposes only, and is not suitablefor legal, engineering, or survey purposes. Thismap does not represent an on-the-ground surveyconducted by or under the supervision of aregistered professional land surveyor. In caseswhere property boundaries are shown, it onlyrepresents their approximate relative location. Noclaims are made to the accuracy or completenessof the data or to its suitability for a particular use.For more information concerning this map, contactthe Remediation Division at 800-633-9363. Mapcreated by Adrienne Love in October 2014.
0 0.5 10.25Miles
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Nearest Residences
Formerly owned by CES
n Schools
# Churches
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3 MIGRATION/EXPOSURE PATHWAYS
The following sections describe migration/exposure pathways and potential receptors
within the site's range of influence.
3.1 GROUND WATER MIGRATION PATHWAY
The target distance limit (TDL) for the ground water migration pathway is a 4-mile
radius that extends from the sources at the site. Figure 4 depicts the ground water 4-
mile TDL.
3.1.1 Geologic Setting
The geologic formations and hydrostratigraphic units found beneath the site, beginning
at the surface and progressing downward, are shown in Table 3.1.
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Table 3-1 Stratigraphic and Hydrogeologic Framework of the site
System Series Stratigraphic Units Thickness **
(feet)
Hydrostrati-
graphic Units
Thickness **
(feet)
Quaternary
Holocene Alluvium* -
Chicot aquifer 700 Pleistocene
Beaumont Clay 200
Lissie
Formation
Montgomery
Formation 125
Bentley
Formation 125
Willis Sand 250
Tertiary
Pliocene Goliad Sand 200
Evangeline
aquifer 1300
Miocene
Fleming Formation 2400 Burkeville
confining unit 300
Jasper aquifer 1000
Oligocene Catahoula Sandstone 900 Catahoula
confining unit 900
(Modified from Baker, 1979) *not present at site
**(Ref. 17, pp. 10-15)
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The Pleistocene Series consists of Beaumont Clay, Lissie Formation, Montgomery
Formation, Bentley Formation, and Willis Sand (Table 3-1). The Beaumont Clay is the
youngest formation of the Pleistocene age that crops out extensively in Harris County.
The Beaumont Clay is made up of poorly bedded marly clay that is interbedded with
sand lenses (Ref. 17, p. 16, 17).
The Lissie Formation underlies the Beaumont Formation. The Lissie Formation is
considered equivalent in age to the Montgomery and the Bentley Formations, with the
bottom of the latter being considered the base of the Pleistocene. The Lissie Formation
consists of reddish, orange, and gray fine- to course-grained, cross-bedded sands.
Caliche beds, containing finer-grained cemented sands, are often found at the base of
the Lissie Formation (Ref. 17, pp. 10, 16).
The Willis Sand underlies the Lissie Formation and overlies the Goliad Formation. The
Willis Sand consists of reddish, gravelly sands with subordinate clays that grade into the
Goliad Formation toward the southwest of the Gulf Coast (Ref. 17, pp. 16).
The Pliocene Series consists of the Goliad Formation which overlies the Miocene
Fleming Formation. The upper part of the Goliad Formation consists of sands with
caliche cement. The Goliad Formation also consists of coarse-grained sediments,
including cobbles, clay balls, and wood fragments. The sands in the Goliad Formation
are typically whitish-or pinkish-gray interbedded with grayish clays (Ref. 17, pp. 14, 16).
The average annual precipitation in the city of Houston, Texas is approximately 50
inches (Ref. 19, p. 1).
3.1.2 Aquifer System
The site overlies the Gulf Coast aquifer, which consists of five hydro-stratigraphic units,
from youngest to oldest: the Chicot aquifer, the Evangeline aquifer, the Burkeville
confining system, the Jasper aquifer, and the Catahoula confining system (Table 3-1).
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The Chicot and Evangeline aquifers flow toward the Gulf of Mexico (Ref. 17, pp. 19-21).
The recharge of aquifers mainly occurs through the outcrop of the Chicot aquifer (about
140,000 acre-feet per year); smaller quantities recharge through the Evangeline (about
49,000 acre-feet per year) and the Jasper aquifers (about 33,000 acre-feet per year);
and negligible quantities recharge through the Burkeville confining system (Ref. 17, p.
36).
The Chicot aquifer includes the Beaumont Clay which extends from the ground surface
through the Willis Sand. Due to the high percentage of sand in the aquifer formations,
the Chicot aquifer is recognized for an abundance of water in Southeast Texas. The
depth of the base of the Chicot aquifer is approximately 700 feet below the ground
surface (bgs) in the site area (Ref. 17, pp. 2, 22-33).
The Evangeline aquifer is approximately 1,300 feet thick and underlies the Chicot
aquifer, spanning the entire thickness of the Pliocene Goliad Formation sands and part
of the Miocene Flemming Formation (Ref. 17, pp. 3-10). The Chicot and Evangeline
aquifers are geologically similar; however differences in hydraulic conductivity form the
basis for distinction (Ref. 20, p. 10). The Evangeline aquifer is considered to be one of
the most prolific aquifers of the Coastal Plain, yielding large quantities of good quality
ground water. In the site area, the Evangeline aquifer extends from approximately 700
feet bgs to approximately 2,000 feet bgs (Ref. 17, pp. 10-15, 22, 33, 38).
The Evangeline aquifer and the underlying Jasper aquifer are separated by the
Burkeville confining system, which consists of 300 feet of silt and clay strata. The Jasper
aquifer is the deepest confined water bearing unit in the Gulf Coast aquifer system in
Texas, and consists of the Fleming Formation and the Oakville Sandstone. The base of
the Jasper aquifer is approximately 3,300 feet bgs in the site area (Ref. 17, pp. 3-11, 15).
The Catahoula confining system underlies the Jasper aquifer and has an average
thickness of 900 feet. The Catahoula Formation is composed of non-marine sands, clays,
and volcano-clastic deposits interbedded with fluvial sediments (Ref. 17, pp. 11-18).
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During most of the 20th century, the high rate of ground water removal from the Chicot
and Evangeline aquifers in Harris County and surrounding counties caused water levels
to dramatically fall in these aquifers. This problem caused land-surface subsidence
problems and led to the use of surface water as the primary source of potable water in
the area. In the mid-1970s, the City of Houston converted most of its public water
system (PWS) water sources to surface water from Lake Houston, and the San Jacinto
and Trinity rivers (Ref. 17, pp. 33-35).
3.1.3 Drinking Water Receptors
The site is located in a neighborhood supplied by the City of Houston municipal water
supply (MWS). Local lakes and rivers, including the Trinity River, Lake Livingston, San
Jacinto River, Lake Conroe, and Lake Houston, supply the City of Houston surface
water resources. Ground water wells drilled into the Evangeline and Chicot aquifers
with an average depth of 750 feet provide 29 percent of the City’s water supply to
customers predominately located in the west side of Houston (Ref. 15, pp. 2-4). There
are two active Public Water Supply (PWS) wells within four miles of the site; one serves
the City of Houston (PWS #1010013), and the other serves the MD Anderson Cancer
Center (PWS #1013142) (Ref. 16, pp. 1, 3).
There are 75 wells in the Texas Water Development Board (TWDB) Submitted Driller’s
Reports database within the 4-mile TDL, including 4 domestic, 5 irrigation, 5 industrial,
6 geothermal heat loop, 1 rig supply, and 54 test wells. Of these, one irrigation well and
three test wells are located within two miles of the site (Ref. 18, pp. 1-5). The estimated
population for Harris County in 2013 was 4,336,853 (Ref. 21, p. 1).
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3.2 SURFACE WATER MIGRATION PATHWAY
The surface water migration pathway TDL begins at the probable point of entry (PPE) of
surface water runoff from the site to a surface water body and extends downstream for
15 miles. Figure 5 depicts the surface water 15-mile TDL.
3.2.1 Overland Route
Prior to urban development, surface water drainage from the site flowed directly into
the Kuhlman/Belmont Gully, which once flowed through the northern end of the site
(Ref. 49, p. 16; Ref. 10, p. 1). Currently, a storm water drain on the northwest corner of
the site at Wayland Street and Griggs Road receives surface water runoff from the
northwest part of the property. During the TCEQ site visit on September 24, 2014, all
ponded storm water was being pumped by the EPA to the northwest corner of the site to
discharge into this drain. Earthen berms were constructed in 2014 to prevent storm
water runoff from traveling into residential yards located northeast and southwest of the
site. Before these berms were constructed, storm water from the southwest part of the
site flowed south into a ditch, then west onto Kingsbury Street into a storm water drain
on the corner of Kingsbury and Calhoun Street (Ref. 6, p. 2). Storm water from the
northeast portion of the site likely traveled directly into residential backyards adjacent
to the site, then into a storm water drain located on Grace Lane (Ref. 5, pp. 2, 4, 12; Ref.
44, p. 1).
All storm water drains associated with the site empty into the Kuhlman/Belmont Gully
on the north side of Schroeder Road and Griggs Road (Ref. 44. p. 1). The United States
Geological Survey topographic map indicates that the gully is intermittent; however, the
TCEQ observed standing water in the gully in September 2014 (Figure 1; Ref. 6, p. 1).
This is considered the probable point of entry for the surface water migration pathway.
The Kuhlman/Belmont Gully empties into Brays Bayou, which then empties into Buffalo
Bayou (Figure 5).
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The 2-year, 24-hour rainfall average for the site area is 5 inches (Ref. 22, p. 3). The site
is not in a Federal Emergency Management Agency (FEMA) designated flood zone (Ref.
23, p. 1).
3.2.2 Drinking Water Receptors
There are no surface water intakes downstream of the site within the 15-mile TDL (Ref.
51, p. 1). The average number of persons per household in Harris County is 2.88 (Ref. 21,
p. 1).
3.2.3 Human Food Chain Receptors
It is likely that local Houston residents occasionally consume fish caught in the
numerous parks along Brays Bayou prior to intersecting Buffalo Bayou, also referred to
as the Houston Ship Channel; however, due to the presence of dioxins, organochlorine
pesticides, and polychlorinated biphenyls, the Texas Department of State Health
Services recommended adults limit consumption of all fish species and blue crabs from
the Houston Ship Channel and its contiguous waters to no more than one, 8-ounce meal
per month. The fish consumption advisory also recommended women of childbearing
age and children under 12 not consume any fish or blue crabs from these waters (Ref. 24,
p. 3). The portions of the TDL within Brays Bayou and Buffalo Bayou shown on Figure 5
are affected by this advisory.
3.2.4 Environmental Receptors
Endangered or threatened species located in Harris County include the following:
Houston toad (Anaxyrus houstonensis), American Peregrine Falcon (Falco peregrinus
anatum), Bald Eagle (Haliaeetus leucocephalus), Peregrine Falcon (Falco peregrinus),
Red-cockaded Woodpecker (Picoides borealis), White-faced Ibis (Plegadis chihi),
White-tailed Hawk (Buteo albicaudatus), Whooping Crane (Grus americana), Wood
Stork (Mycteria americana), Creek chubsucker (Erimyzon oblongus), Smalltooth
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sawfish (Pristis pectinata), Louisiana black bear (Ursus americanus luteolus),
Rafinesque’s big-eared bat (Corynorhinus rafinesquii), Red wolf (Canis rufus),
Louisiana pigtoe (Pleurobema riddellii), Sandbank pocketbook (Lampsilis satura),
Texas pigtoe (Fusconaia askewi), Alligator snapping turtle (Macrochelys temminckii),
Green sea turtle (Chelonia mydas), Kemp’s Ridley sea turtle (Lepidochelys kempii),
Leatherback sea turtle (Dermochelys coriacea), Loggerhead sea turtle (Caretta caretta),
Smooth green snake (Liochlorophis vernalis), Texas horned lizard (Phrynosoma
cornutum), Timber rattlesnake (Crotalus horridus), and Texas prairie dawn
(Hymenoxys texana) (Ref. 25, pp. 1-6). There are two large HRS-eligible wetlands
within the 15-mile TDL. One wetland segment, located along Brays Bayou, is 77.9 acres
in size and is classified as a riverine lower perennial unconsolidated bottom wetland.
The other wetland segment, located along the Houston Ship Channel, is 2,385.25 acres
in size and is classified as an estuarine and marine deepwater subtidal unconsolidated
bottom wetland (Ref. 26, pp. 1-4). There are no other sensitive environments identified
within the surface water TDL (Figure 5).
3.3 SOIL EXPOSURE PATHWAY
The soil exposure pathway is evaluated based on the threat to resident and nearby
populations from hazardous substances present within two feet of the surface.
3.3.1 Site Setting and Sources
The portion of the site east of Wayland Street is largely covered by impervious concrete
and asphalt throughout the majority of the property (Ref. 6, p. 19). On-site soils are
classified by the United States Department of Agriculture as a mix of urban land and the
Bacliff-Urban land complex with little to no slope. Most soil in the area is either covered
by structures and pavement or disturbed by cutting, filling, or grading. Native soils are
the Bacliff clay in the immediate vicinity of the site and the Vamont clay along the
Kuhlman/Belmont Gully (Ref. 53, pp. 1-3).
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Extensive staining of the concrete, asphalt and soil at the site was observed by TCEQ
staff in September 2014. The soil formerly underneath Vacuum Box 617 had bright
orange-red and light blue stains. There was black soil staining beneath Vacuum Box 610,
at the former location of Vacuum Box 601 and where the former aluminum shed was
previously located, south of the main processing facility (Ref. 5, pp. 6, 8; Ref. 6, pp. 7-9,
25). Black staining was also observed on the concrete beneath Waste Management Unit
123, near Vacuum Box 406 and beneath an unidentified drum located on the eastern
border of the site. Orange and black soil staining was observed on the property west of
Wayland Street, near the western and southern fence lines, directly adjacent to the
property used by the Beatrice Mayes Institute Charter School (Ref. 6, pp. 11, 19, 21, 26-
27).
In addition to the soil staining, TCEQ staff also noticed oil seeping from the earthen
berm located on the southwest side of the site, which was constructed in response to the
August 2014 release to stop storm water runoff from entering the Kingsbury Street
neighborhood (Ref. 5, p. 10; Ref. 6, p. 18). TCEQ staff observed red staining on the
pavement along Kingsbury Street, likely caused by this release (Ref. 5, p. 4). All on-site
and off-site observed contamination was located within 200 feet of the bordering
residences or school (Figure 2). Soil samples collected from storm water ditches on
Kingsbury Street in August 2014 indicated detections of acetone, carbon disulfide, MEK,
alpha- and gamma-chlordane, metals, and other VOCs and SVOCs. Arsenic was detected
at a concentration of 8.4 mg/kg, which exceeds the SCDM soil pathway cancer risk
benchmark of 0.71 mg/kg (Ref. 47. pp. 1, 16-17, 22-23, 34, 36, 42-47, 56, 64-69, 85-86,
91-92, 103, 105, 114, 116, 125, 132-138; Ref. 52, p. 6).
A 24-hour security guard was present at the site between September 2010 and June
2013 in order to protect the public from hazardous material (Ref. 8, p. 2). Currently,
there is a fence surrounding the entire property to prevent open access to the facility;
however, vandals have previously compromised the security fencing by stealing fence
panels, and the fence has not eliminated vandalism at the facility (Ref. 41, p. 1). Between
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August and December 2014, two incidents occurred at the site, including theft of
equipment batteries and vandalism of a fence (Ref. 38, p. 2).
3.3.2 Receptors
There are 17 residences located within 200 feet of sources at the site (Figure 3). The
nearest school, the Beatrice Mayes Institute Charter School, is located approximately
200 feet northwest of the site, and includes 443 students (Figure 3; Ref. 27, p. 1). There
are no day care facilities, sensitive terrestrial environments, or land resources within
200 feet of the site (Figure 3).
3.4 AIR MIGRATION PATHWAY
The air migration pathway TDL is a 4-mile radius that extends from sources at the site
(Figure 4).
3.4.1 Air Pathway Receptors
There are 14 residences bordering the site on the east side and three residences
bordering the site on the south side (Figure 3). Sources at the site are within 50 feet of
several of these residences and the nearest home is located 25 feet south of the site
(Figure 2; Ref. 29, p. 3). Since 2005, residents in the area have complained of strong and
offensive odors from the site that resulted in nausea, dizziness, and headaches. From
October 2005 to February 2009, the City of Houston responded to more than 200 odor
and emission complaints from nearby residents, resulting in over 50 notices of violation
and nine citations (Ref. 29, p. 6). From February 2009 to September 2011, there were
270 citizen complaints of nuisance odors, and 65 complaints resulted in notices of
violation. From September 2011 to July 2014, there were an additional 59 complaints of
nuisance odors, one of which resulted in a notice of violation that was issued by the City
of Houston on April 16, 2014 (Ref. 28, pp. 4-6, 11-12, 21-37).
Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
29
The City of Houston Health and Human Services Department analyzed an air sample
collected at the site on January 24, 2008. Contamination detected included methylene
chloride, acetone, benzene, toluene, ethylbenzene, xylene, and other VOCs (Ref. 40, pp.
1-2). Air samples collected at the site by the EPA on August 6, 2014 also indicated
detections of ethylbenzene, benzene, and 1,4-dioxane (Ref. 43, pp. 8-16). During the
September 24, 2014 site visit, TCEQ staff noticed strong phenolic odors and other
unknown chemical odors emanating from various sources at the site (Ref. 5, pp. 8, 12).
The nearest park, Mac Gregor Park, is located 0.4 miles to the north (Figure 4). The
nearest church, Garden of Gethsemane Baptist Church, is located 400 feet northwest of
the site across Griggs Road (Figure 3). According to the 2010 census, 11,853 people live
within one mile of the site (Ref. 9, p. 5).
3.4.2 Environmental Receptors
Mac Gregor Park is the only designated recreation area present within one mile of the
potential sources at the site. There is no commercial agriculture or commercial
silviculture present within 0.5 miles of the site (Figure 4). The largest perennial wetland
near the site is Brays Bayou, which is 77.9 acres in size and is located approximately 0.75
miles north of the site. Other wetlands located within the 4-mile TDL range in size from
0.10 to 2,385.25 acres (Ref. 26, pp. 1-4).
k
k
k
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3 Mile
2 Mile
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0.5 Mile0.25 Mile
SimsBayou
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CES Environmental Services
4904 Griggs RoadHouston, Harris County, Texas
Figure 4: 4-Mile TDL Map
¯The base map is ESRI USA Street Map.Coordinate System: NAD 1983 UTM Zone 15N.The wetlands layer is from the National WetlandsInventory.This map was generated by theRemediation Division of the Texas Commissionon Environmental Quality. It is intended forillustrative or informational purposes only, and isnot suitable for legal, engineering, or surveypurposes. This map does not represent an on-the-ground survey conducted by or under thesupervision of a registered professional landsurveyor. In cases where property boundariesare shown, it only represents their approximaterelative location. No claims are made to theaccuracy or completeness of the data or to itssuitability for a particular use. For moreinformation concerning this map, contact theRemediation Division at 800-633-9363. Mapcreated by Adrienne Love in October 2014.
0 2.5 51.25Miles
Domestic Wells
k PWS WellsDistance rings
WetlandsSite Boundary
Preliminary Assessm
ent Report
January 2015C
ES Environm
ental Services
TXD
00895046130
Kuhlman/Belmont Gully
Brays Bayou
Buffalo Bayou
Vince Bayou
Greens Bayou
Panther Creek
Sims Bayou
Brays Bayou
Hunting Bayou
Buffalo Bayou
Hunting Bayou
Berry Bayou
Little Vince Bayou
CES Environmental Services
4904 Griggs RoadHouston, Harris County, Texas
Figure 5: 15-Mile TDL Map
¯
The base maps are a Digital Raster Graphictopographic map and an ESRI Street Maplayer. Coordinate System of the DRG: NAD1983 UTM Zone 15N. Coordinate System ofthe Street Map: WGS 1984. The wetlands layeris from the National Wetlands Inventory. Thismap was generated by the RemediationDivision of the Texas Commission onEnvironmental Quality. It is intended forillustrative or informational purposes only, andis not suitable for legal, engineering, or surveypurposes. This map does not represent an on-the-ground survey conducted by or under thesupervision of a registered professional landsurveyor. In cases where property boundariesare shown, it only represents their approximaterelative location. No claims are made to theaccuracy or completeness of the data or to itssuitability for a particular use. For moreinformation concerning this map, contact theRemediation Division at 800-633-9363. Mapcreated by Adrienne Love in October 2014.
0 5 102.5Miles
PPE
Site
General Overland Flow
Surface Water TDL
Wetlands
End of TDL
Preliminary Assessm
ent Report
January 2015C
ES Environm
ental Services
TXD
00895046131
!(
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Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
32
4 REFERENCES
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31. City of Houston Department of Public Works and Engineering. Letter to
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Preliminary Assessment Report CES Environmental Services January 2015 EPA ID TXD008950461
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44. City of Houston Public Works GIS. Houston Storm Water Drainage Map.
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