Underground Storage Tank Removal and Remedial Excavation ...

4015 13th Avenue W, Seattle, WA 98119 ▪ Billing: PO Box 31936, Seattle, WA 98103

Office (206) 691 0476 ▪ Fax (206) 675 0650 www.kane-environmental.com

Underground Storage Tank Removal and Remedial Excavation Report

902 North Broadway Everett, Washington 98201

Prepared For:

Mr. Stanley Sidell NAP Management, Inc. G.P.

December 4, 2018

Project Number: 57302-2.2 Prepared By: Kane Environmental, Inc. 4015 13th Avenue West Seattle, WA 98119 ________________________ _________________________ Nathan Evenson John Kane, LHG Project Geologist, President, Principal UST Site Assessor #ICC00245994

TABLE OF CONTENTS

EXECUTIVE SUMMARY ............................................................................................................................... I

1.0 INTRODUCTION AND SITE BACKGROUND .................................................................................. 1

1.1 Property Location and Ownership .................................................................................................. 1

1.2 Property History .............................................................................................................................. 1

1.3 UST System Data ........................................................................................................................... 1

1.4 Surrounding Property Characteristics ............................................................................................. 2

1.5 Scope of Work ................................................................................................................................ 2

2.0 SUBSURFACE CONDITIONS ........................................................................................................... 4

2.1 Geologic Setting ............................................................................................................................. 4

2.2 Hydrogeologic Setting .................................................................................................................... 4

3.0 METHODOLOGY ............................................................................................................................... 5

3.1 Soil Sample Collection Methods ..................................................................................................... 5

3.2 Analytical Methods.......................................................................................................................... 5

3.2.1 Laboratory QA/QC Procedures ................................................................................................... 6

4.0 UNDERGROUND STORAGE TANK REMOVAL, REMEDIAL EXCAVATION, AND SOIL

SAMPLING ................................................................................................................................................... 7

4.1 UST System Inspection .................................................................................................................. 7

4.2 Fuel Dispenser, Product Line, and UST Removal .......................................................................... 7

4.2.1 Fuel Dispenser and Product Line Removal – November 8, 2017 .............................................. 7

4.2.2 UST Removal – November 9, 2017 ............................................................................................ 8

4.3 Remedial Soil “Hotspot” Excavation – November 13, 2017 ........................................................... 9

5.0 ANALYTICAL RESULTS ................................................................................................................ 11

5.1 Soil Results ................................................................................................................................... 11

6.0 FINDINGS AND CONCLUSIONS .................................................................................................... 13

7.0 LIMITATIONS .................................................................................................................................. 14

8.0 REFERENCES ................................................................................................................................. 15

Underground Storage Tank Removal and Remedial Excavation Report 902 North Broadway, Everett, Washington Project #57302-2.2

ii

FIGURES

Figure 1 – Vicinity Map

Figure 2 – Site Plan

Figure 3 – Site Plan Detail with Soil Sample Locations

TABLES

Table 1 – Summary of Petroleum Hydrocarbons and VOCs in Soil

ATTACHMENTS

Attachment A – Laboratory Analytical Reports

Attachment B – Field Photographs

Attachment C – Ecology UST Site Assessment Checklist

Attachment D – UST Rinse and Inerting Certifications

Attachment E – Soil Disposal Documentation

Underground Storage Tank Removal and Remedial Excavation Report 902 North Broadway, Everett, Washington Project #57302-2.2 Page i

EXECUTIVE SUMMARY

Kane Environmental, Inc. (Kane Environmental) has completed an underground storage tank (UST)

removal scope of work at the property located at 902 North Broadway in Everett, Washington (Snohomish

County Assessor’s tax parcel 29051700201100) (“the Property”). The Property owner, N A Properties Inc,

retained Kane Environmental to complete a number of tasks related remediation of petroleum

contamination in soil and groundwater on the Property, one of which involved the UST removal described

in this report. This report updates and finalizes a draft version of this report which was submitted to N A

Properties Inc, dated February 19, 2018.

Kane Environmental provided oversight for the site assessment, decommissioning, and removal of three

12,000-gallon fiberglass USTs, two fuel dispensers, subsurface fiberglass product lines, and other features

related to a former gasoline service station located on the Property. To prevent the possible failure of a

sidewall of the UST excavation and resulting public safety hazards and damage to public utilities, the

northernmost four to five feet of each UST was left in place. UST inspection and site cleanup staff at the

Washington State Department of Ecology (Ecology) and the City of Everett have been informed and have

acknowledged these circumstances.

Field observations and analytical results obtained from soil samples collected during removal of these USTs

and associated features indicate that a release of gasoline has occurred from this UST system. The release

or releases appear to have occurred at one or more joints in the fiberglass product lines. This finding is

supported by the elevated concentrations of benzene and gasoline reported in soil samples collected from

beneath product line joints, and the presence of field indicators of contamination associated with these

joints.

Along with the removal of USTs and associated features, approximately 56.65 tons of gasoline-

contaminated soil including the most contaminated soils encountered during UST removal activities have

been removed from the Property as part of a remedial soil hotspot excavation. Soil containing

concentrations of gasoline, benzene, and naphthalene at concentrations exceeding Model Toxics Control

Act (MTCA) Method A Soil Cleanup Levels were left in-place in the sidewalls of the UST and soil hotspot

excavations. This residual contamination is being addressed by a soil vapor extraction remediation system

that was subsequently installed and has been operating on the Property since March 2018.

The release identified as originating from the fuel transfer piping removed in November 2017, does not

account for the entirety of the gasoline contaminated soil and groundwater identified at deeper depths and

at other locations of the Property. Forensic analysis of lead speciation and gasoline additives in petroleum

contaminated soil and groundwater on the Property, reported by Apex Forensics (2018), concluded that

some of the gasoline released at the Property was manufactured prior to 1986, which was before installation

of the recent gas station infrastructure.

Underground Storage Tank Removal and Remedial Excavation Report 902 North Broadway, Everett, Washington Project #57302-2.2 Page 1

1.0 INTRODUCTION AND SITE BACKGROUND

Kane Environmental has conducted sampling and oversight tasks related to the removal of three USTs,

fuel dispenser pumps, and subsurface product lines from a property located at 902 North Broadway in

Everett, Washington (Snohomish County Assessor’s tax parcel 29051700201100) (“the Property”). A

topographic map showing the Property vicinity is included in Figure 1. A Site Plan is displayed in Figure 2.

1.1 Property Location and Ownership

The Property is composed of one tax parcel, which is bounded to the north by Tower Street and to the west

by North Broadway. The Property owner is “N A Properties Inc”, according to Snohomish County Assessor

records.

1.2 Property History

According to a description of the Property facilities and history in the Kane Environmental Revised Remedial

Investigation and Feasibility Study Report (Kane Environmental, 2016), the Property has been occupied by

a service station since approximately 1960. No development of the Property prior to 1960 was described.

Previous environmental investigations of the Property, as summarized by Kane Environmental (2016),

indicate that soil on the Property contains gasoline; benzene, toluene, ethylbenzene, and xylenes (BTEX);

and methyl-t-butyl ether (MTBE) at concentrations exceeding MTCA Method A Soil Cleanup Levels. These

previous investigations also indicated that groundwater on the Property contained gasoline, benzene,

ethylbenzene, xylenes, naphthalene, MTBE, 1,2-dichloroethane (EDC), and 1,2-dibromomethane (EDB) at

concentrations exceeding MTCA Method A Groundwater Cleanup Levels (Kane Environmental, 2016). The

Property is listed in the Ecology Voluntary Cleanup Program (VCP) database (VCP No. NW3032), the

Ecology UST database (UST Site ID No. 97367), and the Ecology Leaking UST (LUST) database.

The USTs, pumps, and product lines that were removed as part of the scope of work described in this report

were the second generation of service station infrastructure at the Property, installed in 1987 (Kane

Environmental, 2016). While no regulatory documentation regarding the USTs present on the Property prior

to 1987 was available, a detailed analysis of historical aerial photography concluded that the first generation

USTs may have been located in the vicinity of the second generation pump islands, with the first generation

pump islands likely located to the south and southeast of the original USTs.

1.3 UST System Data

The locations of the second-generation gas station features on the Property addressed in this report are

shown in Figure 2. According to the most recent tank tightness testing report available for the USTs

removed as described in this report, the USTs were 8,000-gallon double-walled fiberglass USTs equipped

with fiberglass product piping (Kane Environmental, 2016). This information is consistent with that listed in


the Ecology UST database for the site, except that the three USTs are listed as 10,000 gallons in size in

Ecology records. According to Kane Environmental (2016) and Ecology UST records, these USTs were

used to store gasoline. No records documenting storage of diesel fuel on the Property were available.

Observations regarding the USTs, fuel dispensers, and product lines gathered during field activities

conducted as part of this scope of work are described in Section 4 below.

1.4 Surrounding Property Characteristics

The Property is adjoined to the north by Tower Street, with a paved parking lot and government office

building located beyond. The Property is adjoined to the east by North Broadway, with a Washington State

University academic and administrative building located beyond. To the south, the Property is adjoined by

a paved parking lot and a Providence Healthcare building. The Property is adjoined to the west by a paved

parking lot, with the Everett Community College fitness center located beyond.

The south adjoining property is the location of the “Time Station 168” site, which is listed on Ecology’s VCP,

UST, and LUST databases. This site was occupied as a service station between the 1960s and 1989.

Petroleum contamination was discovered in soil and groundwater at this site in 1992. Remediation of site

soil and groundwater to MTCA Method A Soil and Groundwater cleanup levels was completed in 2011, and

the site was granted No Further Action (NFA) Status (Kane Environmental, 2016). Based on its NFA status,

this site is not considered to have a potential to impact soil and groundwater on the Property.

No other listed regulated sites were identified on adjoining properties by a review of the Ecology Facility/Site

Database Site Map.

1.5 Scope of Work

In a Proposal issued on August 21, 2017, and approved by Mr. Stanley Sidell of NAP Management Inc.,

G.P., on September 6, 2017, Kane Environmental was retained to perform supplemental site

characterization tasks, complete remedial actions (including design, installation, and operation of a soil

vapor extraction system), and perform ongoing maintenance and monitoring of the SVE system and

groundwater on the Property. One of the primary remedial actions (approved as Task 2 of this proposal)

was the decommissioning of the gasoline service station infrastructure, including removal of the USTs, fuel

dispensers, and product piping. This Task included the following activities:

Utility Locating: The Property was to be marked for a public one-call locate, and a private locate

was to be conducted to identify on-Property subsurface utilities not identified by the public locate

Permitting: A SEPA checklist and Land Use Application, along with other City of Everett permits,

were required for completion of the UST removal.


Demolition and Removal of Service Station Infrastructure: A UST decommissioning

subcontractor, Spooner Contracting, LLC (Spooner Contracting) was to be retained to remove the

fuel dispenser canopy, fuel dispenser pumps, product lines, and USTs.

Excavation: A limited excavation of contaminated soil (referred to as a “soil hotspot excavation”)

was to be completed from the areas below the USTs, fuel dispensers, and/or product lines. This

excavation was to be backfilled with imported clean fill or stockpiled site soils that had been

sampled and demonstrated to be appropriate for reuse by laboratory analysis.

Soil Sampling and Analytical: Soil samples were to be collected from the bottoms and sidewalls

of the UST and hotspot excavations. These samples were to be submitted to a laboratory for

analysis of constituents required by Ecology guidelines (Ecology, 1991).

Reporting: A brief report was to be prepared summarizing the activities completed at the Property.

This report was to be submitted to the Client.

This report documents the activities undertaken by Kane Environmental and subcontractor staff to complete

the Task 2 scope of work.


2.0 SUBSURFACE CONDITIONS

2.1 Geologic Setting

The U.S. Geological Survey (USGS) Marysville, WA 7.5-Minute Quadrangle Topographic Map (Figure 1),

indicates that the ground surface of the Property is generally level. The elevation of the Property is

approximately 80 feet above mean sea level. Shallow soils encountered during subsurface investigations

on the Property consists of variable fill soils to a depth of approximately five feet, bgs, with localized deeper

fill soils surrounding the UST excavation. Shallow native soil underlying the fill were primarily comprised of

glacial soils composed of a mixture of soft to stiff silt and clay. Dense grading to very dense fine to medium

sands were encountered at approximately 25 to 65 feet below ground surface (bgs). These soils are

interpreted as advance outwash glacial deposits (Kane Environmental, 2016).

During the removal of fuel dispensers and product lines at the site, soils underlying these features were

observed to consist of medium to coarse sand soils of relatively low density, which were interpreted as fill

soils. The USTs were bedded in gravel fill soils.

2.2 Hydrogeologic Setting

Perched groundwater in native glacial soils was not encountered during the subsurface investigations

described by Kane Environmental (2016). Perched groundwater was previously identified in shallow

groundwater monitoring wells and soil borings in the immediate vicinity of the USTs and fuel dispensers.

These accumulations of groundwater are interpreted to be present only in fill soils surrounding service

station infrastructure (Kane Environmental, 2016). Regional groundwater is present at the Property at

depths of approximately 60 feet bgs. The regional groundwater flow direction at the Property is northerly to

northeasterly (Kane Environmental, 2016).


3.0 METHODOLOGY

Methodology described in this section of the report is applicable to field observations and procedures

described in Sections 4 and 5 below.

3.1 Soil Sample Collection Methods

Where accessible, soil samples were collected by hand, or using a decontaminated stainless-steel sampling

trowel. Where access was not safely or practically available to collect a soil sample by hand, soil samples

were collected with assistance of an excavator operated by Spooner Contracting staff. The excavator

bucket was used to remove an area of undisturbed soil from a location identified by Kane Environmental.

Once removed from the excavation, Kane Environmental collected a soil sample from soil in the excavator

bucket that was located at least several inches from the metal surface of the bucket. Field samples were

screened for volatile organic compound contents using a photo-ionization detector (PID).

The locations of grab samples documented in this report were determined within a coordinate system with

an origin located near the southwest corner of the concrete-paved area in which the fuel dispensers were

installed. A “site north” direction was established for this system as being parallel to the east and west

margins of this concrete area, which was also parallel to the east and west margins of the concrete hold-

down slab overlying the USTs. Sample nomenclature for all samples documented in this report (with the

exception of stockpile samples) is as follows: “NxEy:zft, where “x” is the distance north of the origin in feet,

“y” is the distance east of the origin in feet, and “z” is the depth below the pavement surface in feet prior to

commencement of UST removal activities.

Sampled soils were placed into pre-cleaned, laboratory prepared containers, including 4-ounce glass jars

and 40-milliliter glass vials containing methanol preservative. Following sample collection, sample

containers were immediately placed into an ice-filled cooler and subsequently delivered to the analytical

laboratory under standard chain-of-custody procedures.

3.2 Analytical Methods

All samples collected during this scope of work were submitted to Fremont Analytical, a Washington

Department of Ecology-accredited analytical laboratory. Based on the contaminants of concern previously

identified in soil at the Property (see Section 1.2 above) and the analytical requirements described in Table

6-1 of the Ecology Guidance for Site Checks and Site Assessments for Underground Storage Tanks

(Ecology, 1991), all soil samples collected at the Property during UST removal and hotspot excavation

activities were analyzed for the following constituents:

Total Petroleum Hydrocarbons as Gasoline-Range Organics (GRO) by Washington Method

NWTPH-Gx, and,

Benzene, Toluene, Ethylbenzene, and Xylenes (BTEX) by EPA Method 8260.


Selected soil samples, particularly those in sampling locations specified by the Ecology (1991) UST Site

Assessment guidance and the stockpile samples, were also analyzed for the following constituents:

MTBE, EDB, EDC, and Naphthalene by EPA Method 8260; and,

TPH as Diesel- (DRO) and Heavy Oil-range Organics (ORO) by Washington Method NWTPH-

Dx/Dx Extended.

All analyses were performed in accordance with Fremont’s in-house Quality Assurance/Quality Control

Plans. Sample analyses were performed in compliance with EPA analytical methods and Ecology

guidelines. Samples were analyzed within specified holding times. All detection limits were within method

requirements and no factors appeared to adversely affect data quality.

3.2.1 Laboratory QA/QC Procedures

Internal test methods run by the laboratory to ensure data accuracy and reproducibility include method

blanks, laboratory control standards, sample duplicates, matrix spikes, and matrix spike duplicates.


4.0 UNDERGROUND STORAGE TANK REMOVAL, REMEDIAL EXCAVATION, AND SOIL

SAMPLING

All field observation and soil sampling activities were conducted by Kane Environmental UST Site Assessor

Nathan Evenson. Figure 3 shows the locations of removed features, the extents of the UST and Soil Hotspot

excavations, and the locations of soil samples. All laboratory analytical reports are included as Attachment

A. Photographs of the USTs and other Property features prior to and during removal are included as

Attachment B. An Ecology Site Check/Site Assessment Checklist for Underground Storage Tanks, required

for all UST Site Assessments, is included as Attachment C.

4.1 UST System Inspection

Prior to the commencement of UST removal activities, Kane Environmental inspected features of the USTs

and fuel dispensers accessible from the paved Property surface.

Kane Environmental opened each of the three USTs to determine their dimensions and contents, if any.

Each UST was approximately 8 feet in diameter. A few inches of liquid were present in the bottom of each

UST; these liquids appeared to consist of residual petroleum and water.

Each UST was equipped with a square vault near its south end, which housed the pump turbine. These

vaults were covered with metal lids and were enclosed with metal walls from the concrete slab surface to

approximately 0.75 feet bgs, and with plywood walls from 0.75 feet bgs to 1.75 feet bgs. Below

approximately 1.5 feet below the top of the vault, dirt was present. No secondary containment was noted

below the turbines or product lines in these vaults.

Each of the two fuel dispensers appeared in average condition. The base of each dispenser was open to

the underlying soil; no secondary containment sumps were observed. No obvious indications of

contamination were observed in the surficial soil visible beneath these dispensers.

4.2 Fuel Dispenser, Product Line, and UST Removal

Prior to commencement of the removal of USTs, fuel dispensers, and product lines, Marine Vacuum

Service, Inc. triple-rinsed the USTs and removed the rinse water for off-Property disposal. On the date of

UST removal, a marine chemist from Sound Testing, Inc. certified the USTs as safe for hot work and

mechanical demolition. Certifications of these activities are included in Attachment D.

4.2.1 Fuel Dispenser and Product Line Removal – November 8, 2017

On November 8, 2017, Kane Environmental was on the Property to oversee the removal of fuel dispensers

and product lines. Under Kane Environmental oversight, Spooner Contracting exposed the product lines

from the locations where they entered the subsurface to its point of entry into the UST area. Product lines

were observed to be single-wall fiberglass piping. No holes, cracks, or other defects were observed in the


product lines. At all observed joints, product lines appeared to have been joined using epoxy; however,

many of the inspected joints could be pulled apart manually.

Product lines were bedded in loose, medium to coarse sandy soils. These fill soils exuded a petroleum odor

in the areas below the dispenser islands and the joints located east of dispenser island (see Figure 3 for

sample locations; a description of the location of each sample is included in Table 1). Soil samples were

collected from 1 to 2 feet below each of these dispenser islands and joint locations. Product lines were

removed from the subsurface for off-Property disposal.

4.2.2 UST Removal – November 9, 2017

On November 8, 2017, Kane Environmental was on the Property to oversee the removal of the USTs.

Under Kane Environmental oversight, Spooner Contracting removed soils overlying the USTs and

stockpiled them on plastic sheeting. Kane Environmental estimated that less than 100 cubic yards of soil

were present in this stockpile. These soils did not display a petroleum odor or PID readings; therefore, Kane

Environmental collected three samples from this stockpile for laboratory analysis to characterize these

samples for possible re-use.

Following exposure of the tops and sides of the USTs, Kane Environmental measured them to be

approximately 34 feet long. Based on these dimensions and the 8-foot diameter measured previously, the

USTs were determined to be approximately 12,000 gallons in volume. During removal of the USTs, they

were discovered to be single-wall tanks, rather than the double-wall construction indicated in records

discussed in Section 1.3. Each UST was observed to be in good condition prior removal, with no obvious

cracks, holes, or other damage. The USTs were bedded in pea gravel fill. No accumulation of groundwater

was observed in the UST excavation during or following the removal of USTs.

Decommissioning and removal of USTs was conducted by Bill Spooner of Spooner Contracting, an

individual certified in Washington State for UST decommissioning. During removal of the first UST, its extent

was found to be farther north than previously known. Caving of the excavation sidewalls during UST

removal indicated that the soils surrounding the excavation were prone to failure. Based on these

observations, it appeared to Kane Environmental and Spooner Contracting staff that the removal of the

entirety of each UST would result in the collapse of soils in the sidewall north of the UST area. This north

sidewall failure would threaten the sidewalk and public utility corridors (which included a City of Everett

water main) located on the south side of Tower Street, north and adjacent to the Property. Kane

Environmental and Spooner Contracting staff decided to leave the northernmost 4 to 5 feet of each UST

in-place, in order to support the soils along the northern edge of the excavation while the remaining portions

of the USTs were removed. Mr. Will Bergquist, the Ecology UST Inspector who was present at the Property

during this part of the decommissioning, verbally indicated that it was permissible to leave the UST

fragments in-place to protect public safety and infrastructure. Kane Environmental and Spooner Contracting


proceeded to remove all but the northernmost portions of the USTs, which were left in place as described.

Remaining product lines within the UST excavation, and vent lines and the aboveground vent line frame

located northeast of the UST excavation were also removed. Removed portions of the USTs, product lines,

and vent lines were disposed of off-site.

Following completion of UST removal activities, Kane Environmental solicited and received

acknowledgement for leaving the UST fragments in place from Mr. Bergquist, Mr. Michael Warfel, the

Ecology VCP Site Manager for the Property, and Mr. Steve Goforth, an Assistant Fire Marshal with the

Everett Fire Department.

The bottoms of the USTs were located at a depth of approximately 11 feet bgs. Kane Environmental

collected soil samples from below the southern portion of each UST. Samples were also collected from the

soils below each of the UST fragments left in-place. Kane Environmental collected a sample from each of

the sidewalls of the UST excavation, with exception of the northern sidewall, which was inaccessible due

to the presence of the UST fragments left in-place. Sample locations are shown in Figure 3, and the location

of each sample is described in Table 1.

Overall, no indicators of significant petroleum contamination were present in most of the UST excavation,

with exception of the southwestern portion of the excavation, where the product lines exited the UST area.

The strongest evidence of petroleum contamination was observed in soils beneath product line joints

located in the southwest corner of the UST area. These soils displayed petroleum staining, strong petroleum

odor, and elevated PID readings. A soil sample was collected from beneath these piping joints. These soils

were subsequently excavated during the remedial soil excavation described below. Following removal of

the USTs, no further excavation of soils from other portions of the UST excavation was conducted.

4.3 Remedial Soil “Hotspot” Excavation – November 13, 2017

Following removal of the USTs, fuel dispensers, and product lines, a limited remedial excavation of soils

displaying the strongest field indicators of petroleum contamination was conducted. Kane Environmental

directed Spooner Contracting staff to excavate soils from the area beneath the northern portion of the

removed product lines leading from the dispenser islands to the UST excavation. The boundaries of this

soil hotspot excavation are shown in Figure 3. The bottom of the excavation was approximately 7 to 8 feet

bgs. During this excavation, the locations of several previously collected soil samples were removed; see

Figure 3 for details. Excavated soils consisted primarily of medium to coarse sand fill soils. A total of 56.65

tons of petroleum-contaminated soil were removed from the hotspot excavation. These soils were

transported by Hayter Trucking to an off-Property Cadman soil disposal facility in Everett, Washington.

Documentation of soil disposal is included as Attachment E. No accumulation of groundwater was observed

in this excavation.


Following completion of the remedial soil hotspot excavation, Kane Environmental collected samples from

the bottom and sidewalls of the excavation to document contaminant concentrations in soils left in-place.

These samples are identified in Table 1, and their locations are shown in Figure 3. The excavated areas

on the Property were subsequently backfilled with imported clean gravel borrow fill and stockpiled soils,

and compacted. As discussed below, laboratory analysis characterized stockpiled soils as Category 2 soils,

which are suitable for reuse on commercial and industrial sites as backfill above the water table (Ecology,

2016).


5.0 ANALYTICAL RESULTS

Results of laboratory analyses of soil samples and MTCA Method A Soil Cleanup Levels are summarized

in Table 1. Full analytical reports from the analytical laboratory, Fremont Analytical, are included as

Attachment A. Kane Environmental has reviewed QA/QC information included with these reports. No

factors that adversely affect data quality were noted, other than the reported detection limit for 1,2-

dibromoethane (EDB) exceeding the MTCA Method A Cleanup Level for Unrestricted Land Uses in select

soil samples analyzed.

5.1 Soil Results

All soil samples collected from beneath joints in product lines contained concentrations of benzene

exceeding the MTCA Method A Soil Cleanup Level. The sample collected from below the northernmost

joints in the product lines (N42E17:5.5ft) contained the highest concentrations of gasoline (8,840 mg/kg,

equivalent to parts per million (ppm)), benzene (78.7 ppm), toluene (497 ppm), ethylbenzene (153 ppm),

xylenes (869 ppm) and naphthalene (24.7 ppm) observed in samples collected during this scope of work,

all of which exceeded MTCA Method A Soil Cleanup Levels. The soil from which this sample was collected

was later removed during the soil hotspot excavation.

Soil samples collected from the southwestern portion of the UST excavation, including those collected from

below the southern ends of the west and middle USTs and from the south sidewall, contained gasoline

and/or benzene at concentrations exceeding MTCA Method A Soil Cleanup Levels. The sample collected

from the south excavation sidewall also contained naphthalene at a concentration exceeding the MTCA

Method A Soil Cleanup Level. Soil samples collected from other areas of the UST excavation, including the

soil samples collected from below the each of the UST fragments left in-place, either did not contain

gasoline or BTEX at concentrations in exceedance of MTCA Method A Soil Cleanup Levels, or did not

contain concentrations of these contaminants above laboratory reporting limits. Sampled soils in the bottom

and sidewalls of the UST excavation, including those displaying exceedances of MTCA Method A Soil

Cleanup Levels at the southern extent of the excavation, were left in-place following the completion of this

excavation.

Soil samples collected from the bottom and west sidewall of the soil hotspot excavation contained benzene

at concentrations of 1.09 and 0.145 ppm, respectively, both of which exceeded the MTCA Method A Soil

Cleanup Level. These samples and other sidewall and bottom samples collected from the hotspot

excavation also contained gasoline and other BTEX compounds at concentrations below MTCA Method A

Soil Cleanup Levels. These samples were left in place following the completion of this excavation.

Soil samples collected from below the dispenser islands (N05E13:3ft and N35E12:4ft) contained low

concentrations of gasoline or naphthalene that were below MTCA Method A Soil Cleanup Levels.


No detections of diesel, heavy oil, MTBE, EDB, or EDC were reported in samples collected during this

scope of work.

Soil samples collected from the stockpile of UST overburden soils did not contain concentrations of

gasoline, BTEX, MTBE, EDB, EDC, or naphthalene at concentrations exceeding laboratory reporting limits,

with exception of one sample, which contained 0.0277 ppm of toluene and 0.0356 ppm of xylenes. Based

on these results, the stockpiled soils are classified as Category 2 soils (following Table 12.1 in Ecology,

2016).


6.0 FINDINGS AND CONCLUSIONS

Kane Environmental has provided oversight for the assessment, decommissioning, and removal of three

12,000-gallon fiberglass USTs, two fuel dispensers, subsurface fiberglass product lines, and other features

related to a former gasoline service station located on the Property. To prevent the possible failure of a

sidewall of the UST excavation and resulting public safety hazards and damage to public utilities, the

northernmost four to five feet of each UST was left in place at the northern Property boundary. UST

inspection and site cleanup staff at the Washington State Department of Ecology and the City of Everett

have been informed and have acknowledged these circumstances.

Field observations and analytical results obtained from soil samples collected during removal of these USTs

and associated features indicate that a release of gasoline has occurred from this UST system. The release

or releases appear to have occurred at one or more joints in the fiberglass product lines. This finding is

supported by the elevated concentrations of benzene and gasoline reported in soil samples collected from

beneath product line joints, and the presence of field indicators of contamination associated with these

joints.

Approximately 56.65 tons of gasoline-contaminated soil, including the most contaminated soils encountered

during UST removal activities, have been removed from the Property as part of a remedial soil hotspot

excavation. Soil containing concentrations of gasoline, benzene, and naphthalene at concentrations

exceeding MTCA Method A Soil Cleanup Levels remain in the sidewalls of the UST and soil hotspot

excavations. This residual contamination is being addressed by a soil vapor extraction remediation system

that was subsequently installed and has been operating on the Property since March 2018.

The release identified as originating from the fuel transfer piping removed in November 2017, does not

account for the entirety of the gasoline contaminated soil and groundwater identified at deeper depths and

at other locations of the Property. Forensic analysis of lead speciation and gasoline additives in petroleum

contaminated soil and groundwater on the Property, reported by Apex Forensics (2018), concluded that

some of the gasoline released at the Property was manufactured prior to 1986, which was before installation

of the recent gas station infrastructure.


7.0 LIMITATIONS

Kane Environmental has performed this work in general accordance with generally accepted professional

practices using the standard of the industry today, for the nature and conditions of the work completed in

the same locality and at the same time as the work was performed, and with the terms and conditions as

set forth in our proposal.

Kane Environmental shall not be responsible for conditions or consequences arising from relevant facts

that were concealed, withheld, or not fully disclosed at the time the report was prepared. Facts and

conditions referenced in this report may change over time and the conclusions and recommendations set

forth herein are applicable only to the facts and conditions as described at the time the work was performed.

This Underground Storage Tank Removal and Remedial Excavation Report does not include other services

not specifically described in the scope of work in Section 1.5 of this report. Conclusions were made within

the operative constraints of the scope of work, budget, and schedule for this project.

Our assessment of the property may change as new data become available, either from persons familiar

with the site or during additional site studies, exploration or sampling. This report is intended for the

exclusive use of NAP Management Inc., G.P., and its designated assignees, for specific application to the

referenced property. It is not meant to represent a legal opinion. No other warranty, express or implied, is

made.


8.0 REFERENCES

Apex Forensics, November 8, 2018, Memorandum: Review of “Report Issued for NA Properties -

Everett/57302, Apex WO# A7L0258” 106 pgs.

Kane Environmental, Inc (Kane Environmental). 7 September 2016. Revised Remedial Investigation and

Feasibility Study Report. Prepared for Mr. Ben Pariser, NA Properties Management Company. 414

pgs, 9 figs.

Washington State Department of Ecology (Ecology). February 1991. Guidance for Site Checks and Site

Assessments for Underground Storage Tanks. Ecology Publication No. 90-52. 54 pgs.

Ecology. June 2016. Guidance for Remediation of Petroleum Contaminated Sites. Ecology Publication

No. 10-09-057.

FIGURES

Figure 1

Vicinity Map

UST Removal and Remedial Excavation

902 North Broadway

Everett, Washington

N

Kane Project #57302-2.2

DRAFT

DRAFT

Property

AutoCAD SHX Text

0

AutoCAD SHX Text

1000

AutoCAD SHX Text

2000

AutoCAD SHX Text

Approximate Scale in Feet

To

w

er S

treet

N

o

r

t

h

B

r

o

a

d

w

a

y

Figure 2

Site Plan


902 North Broadway

Everett, Washington

Property Boundary

N

Approximate location of buried power line


Former location of fiberglass UST, removed

(Solid outline shows location of fragment left in-place)

Former location of subsurface fiberglass product

piping, removed

Former location of fuel dispenser island, removed

DRAFT

DRAFT

Approximate location of Property

side sewer line

Approximate location of Property

subsurface electrical power line

AutoCAD SHX Text

%%ULEGEND

AutoCAD SHX Text

0

AutoCAD SHX Text

50

AutoCAD SHX Text

100

AutoCAD SHX Text


N17E16:5ft

N05E13:3ft

N05E15:4ft

N30E22:5.5ft

N28E12:5ft

N29E17:8ft

N35E12:4ft

N42E17:5.5ft

N35E15:7ft

N35E15:3.5ft

N39E20:7.5ft

N40E32:9.5ft

N45E31:12.5ft

N46E41:12.5ft

N60E48:9ft

N71E40:12.5ft

N70E31:12ft

N72E21:12ft

N64E12:8ft

N50E20:12ft

Approximate Extent of

Soil Hotspot Excavation

(to 7-8 feet bgs)

Approximate Extent

of UST Excavation

Approximate Extent

of Soil Stockpile

SP-1-110917

SP-2-110917

SP-3-110917

Figure 3

Site Plan Detail with Soil

Sample Locations


902 North Broadway

Everett, Washington

Property Boundary


N

Soil sample location with concentrations

above MTCA Method A cleanup levels


below MTCA Method A cleanup levels


below laboratory reporting limit

Former location of fiberglass UST, removed

(Solid outline shows location of fragment left in-place)

Former location of subsurface fiberglass product

piping, removed

Former location of fuel dispenser, removed

Note: Grayed-out sample locations/labels have

been removed by over-excavation

DRAFT

DRAFT

AutoCAD SHX Text

%%ULEGEND

AutoCAD SHX Text

0

AutoCAD SHX Text

15

AutoCAD SHX Text

30

AutoCAD SHX Text


TABLES

Table 1Summary of Petroleum Hydrocarbons and VOCs in SoilUST Removal and Remedial Excavation902 North BroadwayEverett, Washington Project #57302-2.2

Sam

ple

ID

Sam

ple

Dat

e

Sam

ple

Des

crip

tion

Sam

ple

Dep

th

(bel

ow g

roun

d su

rfac

e)G

asol

ine

Die

sel

Hea

vy O

il

Ben

zene

Tol

uene

Eth

ylbe

nzen

e

Tot

al X

ylen

es$

Met

hyl T

ertia

ry-B

utyl

Eth

er

(MT

BE

)

1,2-

Dib

rom

oeth

ane

(ED

B)R

1,2-

Dic

hlor

oeth

ane

(ED

C)

Nap

htha

lene

feet mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg

N05E13:3ft 11/8/2017 Below south dispenser island 3 5.49 - - <0.0214 <0.0214 <0.0267 <0.0801 <0.0534 <0.00534 <0.0214 <0.0534N05E15:4ft 11/8/2017 Below product line joints 4 <7.88 - - 0.104 0.168 <0.0394 <0.1182 <0.0788 <0.00788 <0.0315 0.153

N35E15:3.5ft 11/8/2017 Below product line joints 3.5 3.35 <20.3 <50.8 0.0943 0.280 0.0604 0.393 <0.0281 <0.00281 <0.0281 0.0495N35E12:4ft 11/8/2017 Below north dispenser island 4 <4.77 <19.9 <49.8 <0.0191 0.0489 <0.0238 <0.0717 <0.0477 <0.00477 <0.0191 0.0641

N50E20:12ft 11/9/2017 Below south end of west UST 12 <5.80 - - 0.126 0.468 0.0833 0.664 <0.0580 <0.0058 <0.0232 0.0823N72E21:12ft 11/9/2017 Below west UST fragment 12 <6.62 - - <0.0265 0.0329 <0.0331 0.199 - - - -N64E12:8ft 11/9/2017 West UST excavation sidewall 8 <6.27 - - <0.0251 <0.0251 <0.0314 0.0732 <0.0627 <0.00627 <0.0251 0.111

N70E31:12ft 11/9/2017 Below middle UST fragment 12 <6.67 - - <0.0267 <0.0267 <0.0333 <0.100 - - - -N45E31:12.5ft 11/9/2017 Below south end of middle UST 12.5 153† <19.7 <49.3 <0.0213 <0.0213 0.928 <0.0700 <0.0533 <0.00533 <0.0213 3.95N71E40:12.5ft 11/9/2017 Below east UST fragment 12.5 <4.83 - - <0.0193 <0.0193 <0.0242 <0.0725 - - - -N46E41:12.5ft 11/9/2017 Below south end of east UST 12.5 7.58 - - <0.0278 <0.0278 <0.0348 <0.104 <0.0696 <0.00696 <0.0278 <0.0696

N60E48:9ft 11/9/2017 East UST excavation sidewall 9.0 <6.66 - - <0.0266 <0.0266 <0.0333 <0.100 <0.0666 <0.00666 <0.0266 <0.0666N40E32:9.5ft 11/9/2017 South UST excavation sidewall 9.5 349† - - 0.558 0.147 2.74 0.960 <0.0567 <0.00567 <0.0227 9.60N42E17:5.5ft 11/9/2017 Below product line joints 5.5 8,840 165 <52.9 78.7 497 J 153 869 <0.772 <0.0772 0.309 24.7N39E20:7.5ft 11/13/2017 North hotspot excavation sidewall 7.5 <5.41 - - <0.0216 <0.0216 <0.0270 0.0661 - - - -N30E22:5.5ft 11/13/2017 East hotspot excavtion sidewall 5.5 <6.20 - - <0.0248 <0.0248 <0.0310 <0.0930 - - - -N29E17:8ft 11/13/2017 Hotspot excavation bottom 8 11.3 - - 1.09 2.28 0.263 1.207 - - - -N28E12:5ft 11/13/2017 West hotspot excavation sidewall 5 <5.15 - - 0.145 0.351 0.0591 0.2934 - - - -N17E16:5ft 11/13/2017 South hotspot excavation sidewall 5 <5.39 - - <0.0215 0.0524 <0.0269 <0.0808 - - - -

SP-1-110917 11/9/2017 N/A <4.33 - - <0.0173 <0.0173 <0.0217 <0.0650 <0.0433 <0.00433 <0.0217 <0.0433SP-2-110917 11/9/2017 N/A <6.89 - - <0.0276 0.0277 <0.0345 0.0356 <0.0689 <0.00689 <0.0276 <0.0689SP-3-110917 11/9/2017 N/A <8.10 - - <0.0324 <0.0324 <0.0405 <0.122 <0.0810 <0.00810 <0.0324 <0.0810

30/100* 0.03 7 6 9 0.1 0.005 (10.99) 5

Notes:All results reported in mg/kg (milligrams per kilogram).mg/kg = Milligrams per kilogram [equivalent to parts per million (ppm)].- = Not analyzed.Bold concentrations are detectable concentrations, below their Cleanup Level (if availiable).Shaded and Bold concentrations are detectable concentrations, exceeding their Cleanup Level .$ = Total xylenes shown are the sum of all reported detectable concentrations.* = 30 ppm is MTCA Method A Cleanup Level for gasoline range organics when benzene is present or the total of benzene, toluene and total xylenes is greater than 1%; 100 ppm otherwise.^ = Method A Cleanup Levels used where available. Method B Cleanup Levels (shown in parentheses) used if Method A Levels are not available.† = Laboratory identifies this detection as "Gasoline-Range Organics", described as "unresolved compounds eluting from toluene to dodecane (~C6-C12)". Gasoline reported as "not detected" in this sample.J = Estimated value.R = Method reporting limit exceedes Cleanup Level in select analyses.

2,000

Soil stockpile sample

MTCA Method A or Method B Soil Cleanup Level^

ATTACHMENT A LABORATORY ANALYTICAL REPORTS

November 17, 2017

Kane Environmental, Inc.Eric Nassau

Attention Eric Nassau:

RE: NA Properties Everett - 57302Work Order Number: 1711141

3815 Woodland Park Ave N, Ste. 102

Seattle, WA 98103

3600 Fremont Ave. N.

Seattle, WA 98103

T: (206) 352-3790

F: (206) 352-7178

[email protected]

Fremont Analytical, Inc. received 6 sample(s) on 11/8/2017 for the analyses presented in the following report.

Chelsea Ward

This report consists of the following:

- Case Narrative - Analytical Results - Applicable Quality Control Summary Reports - Chain of Custody

All analyses were performed consistent with the Quality Assurance program of Fremont Analytical, Inc. Please contact the laboratory if you should have any questions about the results.

Thank you for using Fremont Analytical.

Sincerely,

Project Manager

Diesel and Heavy Oil by NWTPH-Dx/Dx Ext.

Gasoline by NWTPH-Gx

Sample Moisture (Percent Moisture)

Volatile Organic Compounds by EPA Method 8260C

www.fremontanalytical.com Original

DoD/ELAP Certification #L17-135, ISO/IEC 17025:2005

ORELAP Certification: WA 100009-007 (NELAP Recognized)

Page 1 of 20

11/17/2017Date:

Project: NA Properties Everett - 57302

CLIENT: Kane Environmental, Inc.

Work Order: 1711141

Work Order Sample Summary

Lab Sample ID Client Sample ID Date/Time ReceivedDate/Time Collected1711141-001 N05E13: 3ft 11/08/2017 11:45 AM 11/08/2017 4:44 PM

1711141-002 N05E15: 4ft 11/08/2017 12:05 PM 11/08/2017 4:44 PM

1711141-003 N23E15: 2.5ft 11/08/2017 12:40 PM 11/08/2017 4:44 PM

1711141-004 N35E15: 3.5ft 11/08/2017 1:20 PM 11/08/2017 4:44 PM

1711141-005 N35E12: 4ft 11/08/2017 1:40 PM 11/08/2017 4:44 PM

1711141-006 N35E15: 7ft 11/08/2017 2:30 PM 11/08/2017 4:44 PM

Note: If no "Time Collected" is supplied, a default of 12:00AM is assignedOriginal Page 2 of 20



11/17/2017

Case Narrative1711141

Date:

WO#:

I. SAMPLE RECEIPT:Samples receipt information is recorded on the attached Sample Receipt Checklist.

II. GENERAL REPORTING COMMENTS:Results are reported on a wet weight basis unless dry-weight correction is denoted in the units field on the analytical report ("mg/kg-dry" or "ug/kg-dry").

Matrix Spike (MS) and MS Duplicate (MSD) samples are tested from an analytical batch of "like" matrix to check for possible matrix effect. The MS and MSD will provide site specific matrix data only for those samples which are spiked by the laboratory. The sample chosen for spike purposes may or may not have been a sample submitted in this sample delivery group. The validity of the analytical procedures for which data is reported in this analytical report is determined by the Laboratory Control Sample (LCS) and the Method Blank (MB). The LCS and the MB are processed with the samples and the MS/MSD to ensure method criteria are achieved throughout the entire analytical process.

III. ANALYSES AND EXCEPTIONS:Exceptions associated with this report will be footnoted in the analytical results page(s) or the quality control summary page(s) and/or noted below.

Original

Page 3 of 20

11/17/2017

Qualifiers & Acronyms1711141

Date Reported:

WO#:

Qualifiers:

* - Flagged value is not within established control limitsB - Analyte detected in the associated Method BlankD - Dilution was requiredE - Value above quantitation rangeH - Holding times for preparation or analysis exceededI - Analyte with an internal standard that does not meet established acceptance criteria J - Analyte detected below Reporting LimitN - Tentatively Identified Compound (TIC)Q - Analyte with an initial or continuing calibration that does not meet established acceptance criteria (<20%RSD, <20% Drift or minimum RRF)S - Spike recovery outside accepted recovery limitsND - Not detected at the Reporting LimitR - High relative percent difference observed

Acronyms:

%Rec - Percent RecoveryCCB - Continued Calibration BlankCCV - Continued Calibration VerificationDF - Dilution FactorHEM - Hexane Extractable MaterialICV - Initial Calibration VerificationLCS/LCSD - Laboratory Control Sample / Laboratory Control Sample DuplicateMB or MBLANK - Method BlankMDL - Method Detection LimitMS/MSD - Matrix Spike / Matrix Spike DuplicatePDS - Post Digestion SpikeRef Val - Reference ValueRL - Reporting Limit RPD - Relative Percent Difference SD - Serial DilutionSGT - Silica Gel TreatmentSPK - SpikeSurr - Surrogate

Original

www.fremontanalytical.comPage 4 of 20


Client Sample ID: N05E13: 3ft

Collection Date: 11/8/2017 11:45:00 AM

Matrix: Soil

Client: Kane Environmental, Inc.

Lab ID: 1711141-001

Analyses Result Qual Units Date AnalyzedDFRL

Analytical Report

11/17/20171711141

Date Reported:

Work Order:

Gasoline by NWTPH-Gx Analyst: NGBatch ID: 18840

Gasoline 11/10/2017 6:19:32 AM5.34 mg/Kg-dry 15.49

Surr: 4-Bromofluorobenzene 11/10/2017 6:19:32 AM65 - 135 %Rec 1105

Surr: Toluene-d8 11/10/2017 6:19:32 AM65 - 135 %Rec 197.0

Volatile Organic Compounds by EPA Method 8260C Analyst: NGBatch ID: 18840

Methyl tert-butyl ether (MTBE) 11/10/2017 6:19:32 AM0.0534 mg/Kg-dry 1ND

1,2-Dichloroethane 11/10/2017 6:19:32 AM0.0214 mg/Kg-dry 1ND

Benzene 11/10/2017 6:19:32 AM0.0214 mg/Kg-dry 1ND

Toluene 11/10/2017 6:19:32 AM0.0214 mg/Kg-dry 1ND

1,2-Dibromoethane (EDB) 11/10/2017 6:19:32 AM0.00534 mg/Kg-dry 1ND

Ethylbenzene 11/10/2017 6:19:32 AM0.0267 mg/Kg-dry 1ND

m,p-Xylene 11/10/2017 6:19:32 AM0.0534 mg/Kg-dry 10.0800

o-Xylene 11/10/2017 6:19:32 AM0.0267 mg/Kg-dry 1ND

Naphthalene 11/16/2017 12:49:38 AM0.0534 mg/Kg-dry 10.287

Surr: Dibromofluoromethane 11/10/2017 6:19:32 AM56.5 - 129 %Rec 188.7

Surr: Toluene-d8 11/10/2017 6:19:32 AM64.5 - 151 %Rec 198.3

Surr: 1-Bromo-4-fluorobenzene 11/10/2017 6:19:32 AM43.2 - 143 %Rec 1100

Sample Moisture (Percent Moisture) Analyst: COBatch ID: R39850

Percent Moisture 11/10/2017 11:36:05 AM0.500 wt% 112.8

Original

Page 5 of 20



Collection Date: 11/8/2017 12:05:00 PM

Matrix: Soil


Lab ID: 1711141-002


Analytical Report

11/17/20171711141

Date Reported:

Work Order:


Gasoline 11/10/2017 7:24:13 PM7.88 mg/Kg-dry 1ND

Surr: 4-Bromofluorobenzene 11/10/2017 7:24:13 PM65 - 135 %Rec 195.7

Surr: Toluene-d8 11/10/2017 7:24:13 PM65 - 135 %Rec 1103


Methyl tert-butyl ether (MTBE) 11/10/2017 7:24:13 PM0.0788 mg/Kg-dry 1ND

1,2-Dichloroethane 11/10/2017 7:24:13 PM0.0315 mg/Kg-dry 1ND

Benzene 11/10/2017 7:24:13 PM0.0315 mg/Kg-dry 10.104

Toluene 11/10/2017 7:24:13 PM0.0315 mg/Kg-dry 10.168

1,2-Dibromoethane (EDB) 11/10/2017 7:24:13 PM0.00788 mg/Kg-dry 1ND

Ethylbenzene 11/10/2017 7:24:13 PM0.0394 mg/Kg-dry 1ND

m,p-Xylene 11/10/2017 7:24:13 PM0.0788 mg/Kg-dry 1ND

o-Xylene 11/10/2017 7:24:13 PM0.0394 mg/Kg-dry 1ND


Surr: Dibromofluoromethane 11/10/2017 7:24:13 PM56.5 - 129 %Rec 189.1

Surr: Toluene-d8 11/10/2017 7:24:13 PM64.5 - 151 %Rec 188.5

Surr: 1-Bromo-4-fluorobenzene 11/10/2017 7:24:13 PM43.2 - 143 %Rec 191.3



Original

Page 6 of 20


Client Sample ID: N35E15: 3.5ft


Matrix: Soil


Lab ID: 1711141-004


Analytical Report

11/17/20171711141

Date Reported:

Work Order:

Diesel and Heavy Oil by NWTPH-Dx/Dx Ext. Analyst: SBBatch ID: 18837

Diesel (Fuel Oil) 11/9/2017 5:20:13 PM20.3 mg/Kg-dry 1ND

Heavy Oil 11/9/2017 5:20:13 PM50.8 mg/Kg-dry 1ND

Surr: 2-Fluorobiphenyl 11/9/2017 5:20:13 PM50 - 150 %Rec 176.2

Surr: o-Terphenyl 11/9/2017 5:20:13 PM50 - 150 %Rec 192.4


Gasoline 11/10/2017 8:24:46 PM2.81 mg/Kg-dry 13.35


Surr: Toluene-d8 11/10/2017 8:24:46 PM65 - 135 %Rec 197.8







Ethylbenzene 11/10/2017 8:24:46 PM0.0141 mg/Kg-dry 10.0604

m,p-Xylene 11/10/2017 8:24:46 PM0.0281 mg/Kg-dry 10.283

o-Xylene 11/10/2017 8:24:46 PM0.0141 mg/Kg-dry 10.110







Original

Page 7 of 20




Matrix: Soil


Lab ID: 1711141-005


Analytical Report

11/17/20171711141

Date Reported:

Work Order:





Surr: o-Terphenyl 11/9/2017 7:18:35 PM50 - 150 %Rec 1102








Benzene 11/10/2017 8:55:02 PM0.0191 mg/Kg-dry 1ND



Ethylbenzene 11/10/2017 8:55:02 PM0.0238 mg/Kg-dry 1ND









Original

Page 8 of 20



Work Order: 1711141 QC SUMMARY REPORTDiesel and Heavy Oil by NWTPH-Dx/Dx Ext.

11/17/2017Date:

Sample ID MB-18837

Batch ID: 18837 Analysis Date: 11/9/2017

Prep Date: 11/9/2017

Analyte Result SPK value SPK Ref Val %REC RPD Ref Val %RPDLowLimit HighLimit RPDLimit Qual

Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39847

SeqNo: 767066

MBLKSampType:

Diesel (Fuel Oil) 20.0ND

Heavy Oil 50.0ND

Surr: 2-Fluorobiphenyl 20.00 79.9 50 15016.0

Surr: o-Terphenyl 20.00 98.4 50 15019.7

Sample ID LCS-18837




Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39847

SeqNo: 767067

LCSSampType:

Diesel (Fuel Oil) 500.0 106 65 13520.0 0530


Surr: o-Terphenyl 20.00 115 50 15022.9

Sample ID 1711141-004ADUP




Units: mg/Kg-dry

RL

Client ID: N35E15: 3.5ft

RunNo: 39847

SeqNo: 767069

DUPSampType:

Diesel (Fuel Oil) 3020.7 0ND

Heavy Oil 3051.8 0ND

Surr: 2-Fluorobiphenyl 20.70 82.8 50 150 017.1

Surr: o-Terphenyl 20.70 100 50 150 020.7

Sample ID 1711141-004AMS




Units: mg/Kg-dry

RL


RunNo: 39847

SeqNo: 767070

MSSampType:

Diesel (Fuel Oil) 501.8 101 65 13520.1 0505


Surr: o-Terphenyl 20.07 110 50 15022.2

Original Page 9 of 20




11/17/2017Date:





Units: mg/Kg-dry

RL


RunNo: 39847

SeqNo: 767070

MSSampType:

Sample ID 1711141-004AMSD




Units: mg/Kg-dry

RL


RunNo: 39847

SeqNo: 767071

MSDSampType:

Diesel (Fuel Oil) 495.6 104 65 135 3019.8 0 505.4 1.49513


Surr: o-Terphenyl 19.83 112 50 150 022.1




Work Order: 1711141 QC SUMMARY REPORTGasoline by NWTPH-Gx

11/17/2017Date:

Sample ID LCS-18840




Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39840

SeqNo: 766942

LCSSampType:

Gasoline 25.00 102 65 1355.00 025.5

Surr: Toluene-d8 1.250 97.9 65 1351.22

Surr: 4-Bromofluorobenzene 1.250 97.2 65 1351.22

Sample ID MB-18840




Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39840

SeqNo: 766943

MBLKSampType:

Gasoline 5.00ND

Surr: Toluene-d8 1.250 99.5 65 1351.24


Sample ID 1711141-002BDUP




Units: mg/Kg-dry

RL

Client ID: N05E15: 4ft

RunNo: 39840

SeqNo: 767563

DUPSampType:

Gasoline 307.88 0ND

Surr: Toluene-d8 1.971 101 65 135 01.99

Surr: 4-Bromofluorobenzene 1.971 96.2 65 135 01.90

Sample ID 1711141-005BMS




Units: mg/Kg-dry

RL


RunNo: 39840

SeqNo: 767566

MSSampType:

Gasoline 23.84 71.6 65 1354.77 017.1

Surr: Toluene-d8 1.192 98.7 65 1351.18






11/17/2017Date:

Sample ID 1711141-005BMSD




Units: mg/Kg-dry

RL


RunNo: 39840

SeqNo: 767567

MSDSampType:

Gasoline 23.84 61.6 65 135 30 S4.77 0 17.07 15.114.7

Surr: Toluene-d8 1.192 98.3 65 135 01.17


NOTES:S - Outlying spike recovery(ies) observed. A duplicate analysis was performed and recovered within range.




Work Order: 1711141 QC SUMMARY REPORTSample Moisture (Percent Moisture)

11/17/2017Date:


Batch ID: R39850 Analysis Date: 11/10/2017

Prep Date: 11/10/2017


Units: wt%

RL

Client ID: BATCH

RunNo: 39850

SeqNo: 767095

DUPSampType:

Percent Moisture 200.500 22.86 19.527.8



Prep Date: 11/10/2017


Units: wt%

RL

Client ID: BATCH

RunNo: 39850

SeqNo: 767115

DUPSampType:





Work Order: 1711141 QC SUMMARY REPORTVolatile Organic Compounds by EPA Method 8260C

11/17/2017Date:

Sample ID MB-18912


Prep Date: 11/15/2017


Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39966

SeqNo: 769533

MBLKSampType:

Naphthalene 0.0500ND

Surr: Dibromofluoromethane 1.250 89.9 56.5 1291.12

Surr: Toluene-d8 1.250 97.7 64.5 1511.22

Surr: 1-Bromo-4-fluorobenzene 1.250 98.3 43.2 1431.23

Sample ID LCS-18912


Prep Date: 11/15/2017


Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39966

SeqNo: 769532

LCSSampType:

Naphthalene 1.000 104 58.4 1600.0500 01.04


Surr: Toluene-d8 1.250 99.8 64.5 1511.25

Surr: 1-Bromo-4-fluorobenzene 1.250 104 43.2 1431.30



Prep Date: 11/15/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39966

SeqNo: 769513

DUPSampType:

Naphthalene 300.0593 0ND

Surr: Dibromofluoromethane 1.483 89.0 56.5 129 01.32

Surr: Toluene-d8 1.483 96.7 64.5 151 01.43

Surr: 1-Bromo-4-fluorobenzene 1.483 99.1 43.2 143 01.47



Prep Date: 11/15/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39966

SeqNo: 769523

DUPSampType:







11/17/2017Date:



Prep Date: 11/15/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39966

SeqNo: 769523

DUPSampType:

Surr: Toluene-d8 1.701 97.8 64.5 151 01.66






11/17/2017Date:

Sample ID LCS-18840




Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39839

SeqNo: 766932

LCSSampType:

Methyl tert-butyl ether (MTBE) 1.000 98.6 66.3 1450.0500 00.986

1,2-Dichloroethane 1.000 103 50.9 1620.0200 01.03

Benzene 1.000 114 64.3 1330.0200 01.14

Toluene 1.000 110 67.3 1380.0200 01.10

1,2-Dibromoethane (EDB) 1.000 112 50.5 1540.00500 01.12

Ethylbenzene 1.000 109 74 1290.0250 01.09

m,p-Xylene 2.000 115 70 1240.0500 02.29

o-Xylene 1.000 107 68.1 1390.0250 01.07


Surr: Toluene-d8 1.250 97.5 64.5 1511.22


Sample ID MB-18840




Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39839

SeqNo: 766933

MBLKSampType:

Methyl tert-butyl ether (MTBE) 0.0500ND

1,2-Dichloroethane 0.0200ND

Benzene 0.0200ND

Toluene 0.0200ND

1,2-Dibromoethane (EDB) 0.00500ND

Ethylbenzene 0.0250ND

m,p-Xylene 0.0500ND

o-Xylene 0.0250ND


Surr: Toluene-d8 1.250 93.7 64.5 1511.17






11/17/2017Date:





Units: mg/Kg-dry

RL


RunNo: 39839

SeqNo: 767555

DUPSampType:

Methyl tert-butyl ether (MTBE) 300.0788 0ND

1,2-Dichloroethane 300.0315 0ND

Benzene 300.0315 0.1041 1.750.106

Toluene 300.0315 0.1681 3.030.173

1,2-Dibromoethane (EDB) 300.00788 0ND

Ethylbenzene 300.0394 0ND

m,p-Xylene 300.0788 0ND

o-Xylene 300.0394 0ND


Surr: Toluene-d8 1.971 88.9 64.5 151 01.75






Units: mg/Kg-dry

RL


RunNo: 39839

SeqNo: 767557

MSSampType:


1,2-Dichloroethane 0.5621 106 51.3 1390.0112 00.596

Benzene 0.5621 117 63.5 1330.0112 0.094290.751

Toluene 0.5621 112 63.4 1320.0112 0.27960.908


Ethylbenzene 0.5621 125 54.5 1340.0141 0.060450.763

m,p-Xylene 1.124 124 53.1 1320.0281 0.28341.68

o-Xylene 0.5621 119 53.3 1390.0141 0.10990.778


Surr: Toluene-d8 0.7026 92.0 64.5 1510.646






11/17/2017Date:





Units: mg/Kg-dry

RL


RunNo: 39839

SeqNo: 767558

MSDSampType:

Methyl tert-butyl ether (MTBE) 0.5621 98.1 58.5 167 300.0281 0 0.5432 1.500.551

1,2-Dichloroethane 0.5621 109 51.3 139 300.0112 0 0.5964 2.410.611

Benzene 0.5621 122 63.5 133 300.0112 0.09429 0.7513 3.960.782

Toluene 0.5621 113 63.4 132 300.0112 0.2796 0.9075 1.040.917

1,2-Dibromoethane (EDB) 0.5621 106 50.4 136 300.00281 0 0.5933 0.8400.598

Ethylbenzene 0.5621 125 54.5 134 300.0141 0.06045 0.7626 0.1310.764

m,p-Xylene 1.124 124 53.1 132 300.0281 0.2834 1.678 0.2821.68

o-Xylene 0.5621 121 53.3 139 300.0141 0.1099 0.7776 1.470.789


Surr: Toluene-d8 0.7026 92.9 64.5 151 00.652



Date Received: 11/8/2017 4:44:00 PM

Client Name: KANE Work Order Number: 1711141

Sample Log-In Check List

Brianna BarnesLogged by:

Item Information

How was the sample delivered? Client

Is Chain of Custody complete? Yes No Not Present

Was an attempt made to cool the samples? Yes No NA

Are samples properly preserved? Yes No

Was preservative added to bottles? Yes No NA

Did all samples containers arrive in good condition(unbroken)? Yes No

Does paperwork match bottle labels? Yes No

Are matrices correctly identified on Chain of Custody? Yes No

Is it clear what analyses were requested? Yes No

Is there headspace in the VOA vials? Yes No NA

1.

2.

6.

10.

11.

12.

13.

14.

15.

16.

17. Were all holding times able to be met? Yes No

Chain of Custody

Log In

7. Were all items received at a temperature of >0°C to 10.0°C Yes No NA

8. Sample(s) in proper container(s)? Yes No

9. Sufficient sample volume for indicated test(s)? Yes No

Special Handling (if applicable)

18.

19.

Was client notified of all discrepancies with this order? Yes No NA

Person Notified: Date

Regarding:

Via: eMail Phone Fax In Person

Additional remarks:

Client Instructions:

By Whom:

Coolers are present? Yes No NA3.

Shipping container/cooler in good condition? Yes No4.

Custody Seals present on shipping container/cooler? (Refer to comments for Custody Seals not intact)

Yes No Not Required5.

*

Item # Temp ºC

Cooler 1.9

Sample 7.0

Page 1 of 1Note: DoD/ELAP and TNI require items to be received at 4°C +/- 2°C*


November 17, 2017



RE: NA Properties EverettWork Order Number: 1711164


Seattle, WA 98103


Seattle, WA 98103

T: (206) 352-3790

F: (206) 352-7178

[email protected]


Chelsea Ward





Sincerely,

Project Manager








Page 1 of 31

11/17/2017Date:

Project: NA Properties Everett


Work Order: 1711164


Lab Sample ID Client Sample ID Date/Time ReceivedDate/Time Collected1711164-001 N50E20: 12ft 11/09/2017 8:45 AM 11/09/2017 4:47 PM

1711164-002 N72E21: 12ft 11/09/2017 9:25 AM 11/09/2017 4:47 PM

1711164-003 N64E12: 8ft 11/09/2017 9:55 AM 11/09/2017 4:47 PM

1711164-004 N70E31: 12ft 11/09/2017 10:30 AM 11/09/2017 4:47 PM

1711164-005 N45E31: 12.5ft 11/09/2017 11:30 AM 11/09/2017 4:47 PM

1711164-006 N71E40: 12.5ft 11/09/2017 12:10 PM 11/09/2017 4:47 PM

1711164-007 N46E41: 12.5ft 11/09/2017 12:25 PM 11/09/2017 4:47 PM

1711164-008 N60E45: 12.5ft 11/09/2017 1:00 PM 11/09/2017 4:47 PM

1711164-009 N60E48: 9ft 11/09/2017 1:15 PM 11/09/2017 4:47 PM

1711164-010 N40E32: 9.5ft 11/09/2017 1:30 PM 11/09/2017 4:47 PM

1711164-011 N42E17: 5.5ft 11/09/2017 1:45 PM 11/09/2017 4:47 PM

1711164-012 N59E29: 13ft 11/09/2017 2:00 PM 11/09/2017 4:47 PM

1711164-013 SP-1-110917 11/09/2017 2:20 PM 11/09/2017 4:47 PM

1711164-014 SP-2-110917 11/09/2017 2:30 PM 11/09/2017 4:47 PM

1711164-015 SP-3-110917 11/09/2017 2:40 PM 11/09/2017 4:47 PM




11/17/2017


Date:

WO#:





Original

Page 3 of 31

11/17/2017


Date Reported:

WO#:

Qualifiers:


Acronyms:


Original





Matrix: Soil


Lab ID: 1711164-001


Analytical Report

11/17/20171711164

Date Reported:

Work Order:

Gasoline by NWTPH-Gx Analyst: MWBatch ID: 18912

Gasoline 11/16/2017 5:23:13 AM5.80 mg/Kg-dry 1ND



Volatile Organic Compounds by EPA Method 8260C Analyst: MWBatch ID: 18912



Benzene 11/16/2017 5:23:13 AM0.0232 mg/Kg-dry 10.126

Toluene 11/16/2017 5:23:13 AM0.0232 mg/Kg-dry 10.468


Ethylbenzene 11/16/2017 5:23:13 AM0.0290 mg/Kg-dry 10.0833


o-Xylene 11/16/2017 5:23:13 AM0.0290 mg/Kg-dry 10.191







Original

Page 5 of 31




Matrix: Soil


Lab ID: 1711164-002


Analytical Report

11/17/20171711164

Date Reported:

Work Order:













Surr: 1-Bromo-4-fluorobenzene 11/10/2017 3:13:47 AM43.2 - 143 %Rec 199.4



Original

Page 6 of 31




Matrix: Soil


Lab ID: 1711164-003


Analytical Report

11/17/20171711164

Date Reported:

Work Order:
















Surr: Toluene-d8 11/16/2017 5:53:36 AM64.5 - 151 %Rec 1100




Original

Page 7 of 31




Matrix: Soil


Lab ID: 1711164-004


Analytical Report

11/17/20171711164

Date Reported:

Work Order:









m,p-Xylene 11/10/2017 3:44:48 AM0.0667 mg/Kg-dry 1ND







Original

Page 8 of 31




Matrix: Soil


Lab ID: 1711164-005


Analytical Report

11/17/20171711164

Date Reported:

Work Order:


Diesel (Fuel Oil) 11/14/2017 4:16:58 AM19.7 mg/Kg-dry 1ND

Heavy Oil 11/14/2017 4:16:58 AM49.3 mg/Kg-dry 1ND

Surr: 2-Fluorobiphenyl 11/14/2017 4:16:58 AM50 - 150 %Rec 192.6

Surr: o-Terphenyl 11/14/2017 4:16:58 AM50 - 150 %Rec 1109



Gasoline Range Organics C6-C12 D 11/16/2017 2:01:27 PM53.3 mg/Kg-dry 10153

Surr: 4-Bromofluorobenzene 11/16/2017 12:30:02 PM65 - 135 %Rec 1113


NOTES:GRO - Indicates the presence of unresolved compounds eluting from toluene to dodecane (~C6-C12).




Benzene 11/16/2017 12:30:02 PM0.0213 mg/Kg-dry 1ND

Toluene 11/16/2017 12:30:02 PM0.0213 mg/Kg-dry 1ND


Ethylbenzene 11/16/2017 12:30:02 PM0.0266 mg/Kg-dry 10.928



Naphthalene 11/16/2017 12:30:02 PM0.0533 mg/Kg-dry 13.95


Surr: Toluene-d8 11/16/2017 12:30:02 PM64.5 - 151 %Rec 1103

Surr: 1-Bromo-4-fluorobenzene 11/16/2017 12:30:02 PM43.2 - 143 %Rec 1108



Original

Page 9 of 31




Matrix: Soil


Lab ID: 1711164-006


Analytical Report

11/17/20171711164

Date Reported:

Work Order:
















Original

Page 10 of 31




Matrix: Soil


Lab ID: 1711164-007


Analytical Report

11/17/20171711164

Date Reported:

Work Order:




Surr: Toluene-d8 11/16/2017 6:24:02 AM65 - 135 %Rec 1100










Naphthalene 11/16/2017 6:24:02 AM0.0696 mg/Kg-dry 1ND






Original

Page 11 of 31




Matrix: Soil


Lab ID: 1711164-009


Analytical Report

11/17/20171711164

Date Reported:

Work Order:














Naphthalene 11/16/2017 10:28:01 AM0.0666 mg/Kg-dry 1ND






Original

Page 12 of 31




Matrix: Soil


Lab ID: 1711164-010


Analytical Report

11/17/20171711164

Date Reported:

Work Order:



Gasoline Range Organics C6-C12 D 11/16/2017 2:32:09 PM113 mg/Kg-dry 20349

Surr: 4-Bromofluorobenzene 11/16/2017 1:31:00 PM65 - 135 %Rec 1123


NOTES:GRO - Indicates the presence of unresolved compounds eluting from toluene to dodecane (~C6-C12).







Ethylbenzene D 11/16/2017 2:32:09 PM0.567 mg/Kg-dry 202.74

m,p-Xylene 11/16/2017 1:31:00 PM0.0567 mg/Kg-dry 10.960


Naphthalene D 11/16/2017 2:32:09 PM1.13 mg/Kg-dry 209.60


Surr: Toluene-d8 11/16/2017 1:31:00 PM64.5 - 151 %Rec 1107

Surr: 1-Bromo-4-fluorobenzene 11/16/2017 1:31:00 PM43.2 - 143 %Rec 1117



Original

Page 13 of 31




Matrix: Soil


Lab ID: 1711164-011


Analytical Report

11/17/20171711164

Date Reported:

Work Order:


Diesel (Fuel Oil) 11/14/2017 4:46:28 AM21.1 mg/Kg-dry 1ND

Diesel Range Organics (C12-C24) 11/14/2017 4:46:28 AM21.1 mg/Kg-dry 1165

Heavy Oil 11/14/2017 4:46:28 AM52.9 mg/Kg-dry 1ND

Surr: 2-Fluorobiphenyl 11/14/2017 4:46:28 AM50 - 150 %Rec 1117

Surr: o-Terphenyl 11/14/2017 4:46:28 AM50 - 150 %Rec 1119

NOTES:DRO - Indicates the presence of unresolved compounds eluting from dodecane through tetracosane (~C12-C24).


Gasoline D 11/16/2017 11:59:31 AM772 mg/Kg-dry 2008,840

Surr: 4-Bromofluorobenzene D 11/16/2017 11:59:31 AM65 - 135 %Rec 200104

Surr: Toluene-d8 D 11/16/2017 11:59:31 AM65 - 135 %Rec 20095.5


Methyl tert-butyl ether (MTBE) D 11/16/2017 10:58:33 AM0.772 mg/Kg-dry 20ND

1,2-Dichloroethane D 11/16/2017 10:58:33 AM0.309 mg/Kg-dry 20ND

Benzene D 11/16/2017 11:59:31 AM3.09 mg/Kg-dry 20078.7

Toluene DE 11/16/2017 11:59:31 AM3.09 mg/Kg-dry 200497

1,2-Dibromoethane (EDB) D 11/16/2017 10:58:33 AM0.0772 mg/Kg-dry 20ND

Ethylbenzene D 11/16/2017 11:59:31 AM3.86 mg/Kg-dry 200153

m,p-Xylene D 11/16/2017 11:59:31 AM7.72 mg/Kg-dry 200639

o-Xylene D 11/16/2017 11:59:31 AM3.86 mg/Kg-dry 200230

Naphthalene D 11/16/2017 10:58:33 AM0.772 mg/Kg-dry 2024.7

Surr: Dibromofluoromethane D 11/16/2017 10:58:33 AM56.5 - 129 %Rec 2091.4

Surr: Toluene-d8 D 11/16/2017 10:58:33 AM64.5 - 151 %Rec 20103

Surr: 1-Bromo-4-fluorobenzene D 11/16/2017 10:58:33 AM43.2 - 143 %Rec 20103

NOTES:E - Estimated value. The amount exceeds the linear working range of the instrument.

Diluted due to matrix.



Original

Page 14 of 31


Client Sample ID: SP-1-110917


Matrix: Soil


Lab ID: 1711164-013


Analytical Report

11/17/20171711164

Date Reported:

Work Order:














Naphthalene Q 11/10/2017 4:46:42 AM0.0433 mg/Kg-dry 1ND




NOTES:Q - Indicates an analyte with a continuing calibration that does not meet established acceptance criteria (<20%RSD, <20% Drift or minimum RRF).



Original

Page 15 of 31




Matrix: Soil


Lab ID: 1711164-014


Analytical Report

11/17/20171711164

Date Reported:

Work Order:





















Original

Page 16 of 31




Matrix: Soil


Lab ID: 1711164-015


Analytical Report

11/17/20171711164

Date Reported:

Work Order:





















Original

Page 17 of 31




11/17/2017Date:

Sample ID MB-18873


Prep Date: 11/13/2017


Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39893

SeqNo: 768060

MBLKSampType:


Heavy Oil 50.0ND


Surr: o-Terphenyl 20.00 107 50 15021.4

Sample ID LCS-18873


Prep Date: 11/13/2017


Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39893

SeqNo: 768061

LCSSampType:

Diesel (Fuel Oil) 500.0 102 65 13520.0 0511


Surr: o-Terphenyl 20.00 112 50 15022.3



Prep Date: 11/13/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39893

SeqNo: 768063

DUPSampType:


Heavy Oil 30 E55.5 3,254 2.363,180

Surr: 2-Fluorobiphenyl 22.20 101 50 150 022.5

Surr: o-Terphenyl 22.20 115 50 150 025.5

NOTES:E - Estimated value. The amount exceeds the linear working range of the instrument.



Prep Date: 11/13/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39893

SeqNo: 768064

MSSampType:

Diesel (Fuel Oil) 511.0 127 65 13520.4 0649

Surr: 2-Fluorobiphenyl 20.44 105 50 15021.5





11/17/2017Date:



Prep Date: 11/13/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39893

SeqNo: 768064

MSSampType:

Surr: o-Terphenyl 20.44 124 50 15025.4



Prep Date: 11/13/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39893

SeqNo: 768065

MSDSampType:

Diesel (Fuel Oil) 506.8 106 65 135 3020.3 0 648.6 19.0536


Surr: o-Terphenyl 20.27 126 50 150 025.5



Prep Date: 11/13/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39893

SeqNo: 768077

DUPSampType:




Surr: o-Terphenyl 22.22 111 50 150 024.8





11/17/2017Date:

Sample ID MB-18912


Prep Date: 11/15/2017


Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39963

SeqNo: 769478

MBLKSampType:

Gasoline 5.00ND

Surr: Toluene-d8 1.250 99.2 65 1351.24

Surr: 4-Bromofluorobenzene 1.250 102 65 1351.27

Sample ID LCS-18912


Prep Date: 11/15/2017


Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39963

SeqNo: 769477

LCSSampType:

Gasoline 25.00 82.1 65 1355.00 020.5

Surr: Toluene-d8 1.250 100 65 1351.25




Prep Date: 11/15/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39963

SeqNo: 769458

DUPSampType:

Gasoline 305.93 0ND

Surr: Toluene-d8 1.483 98.0 65 135 01.45

Surr: 4-Bromofluorobenzene 1.483 103 65 135 01.52



Prep Date: 11/15/2017


Units: mg/Kg-dry

RL


RunNo: 39963

SeqNo: 769468

DUPSampType:

Gasoline 306.80 7.581 22.5ND

Surr: Toluene-d8 1.701 102 65 135 01.73






11/17/2017Date:

Sample ID LCS-18840




Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39840

SeqNo: 766942

LCSSampType:

Gasoline 25.00 102 65 1355.00 025.5

Surr: Toluene-d8 1.250 97.9 65 1351.22


Sample ID MB-18840




Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39840

SeqNo: 766943

MBLKSampType:

Gasoline 5.00ND

Surr: Toluene-d8 1.250 99.5 65 1351.24






Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39840

SeqNo: 767563

DUPSampType:

Gasoline 307.88 0ND

Surr: Toluene-d8 1.971 101 65 135 01.99






Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39840

SeqNo: 767566

MSSampType:

Gasoline 23.84 71.6 65 1354.77 017.1

Surr: Toluene-d8 1.192 98.7 65 1351.18






11/17/2017Date:





Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39840

SeqNo: 767567

MSDSampType:

Gasoline 23.84 61.6 65 135 30 S4.77 0 17.07 15.114.7

Surr: Toluene-d8 1.192 98.3 65 135 01.17


NOTES:S - Outlying spike recovery(ies) observed. A duplicate analysis was performed and recovered within range.





11/17/2017Date:



Prep Date: 11/10/2017


Units: wt%

RL


RunNo: 39843

SeqNo: 766975

DUPSampType:




Prep Date: 11/10/2017


Units: wt%

RL

Client ID: BATCH

RunNo: 39843

SeqNo: 766995

DUPSampType:






11/17/2017Date:

Sample ID MB-18912


Prep Date: 11/15/2017


Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39966

SeqNo: 769533

MBLKSampType:



Benzene 0.0200ND

Toluene 0.0200ND



m,p-Xylene 0.0500ND

o-Xylene 0.0250ND

Naphthalene 0.0500ND


Surr: Toluene-d8 1.250 97.7 64.5 1511.22


Sample ID LCS-18912


Prep Date: 11/15/2017


Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39966

SeqNo: 769532

LCSSampType:

Methyl tert-butyl ether (MTBE) 1.000 101 66.3 1450.0500 01.01

1,2-Dichloroethane 1.000 93.6 50.9 1620.0200 00.936

Benzene 1.000 97.1 64.3 1330.0200 00.971

Toluene 1.000 93.6 67.3 1380.0200 00.936

1,2-Dibromoethane (EDB) 1.000 93.1 50.5 1540.00500 00.931

Ethylbenzene 1.000 101 74 1290.0250 01.01

m,p-Xylene 2.000 102 70 1240.0500 02.04

o-Xylene 1.000 96.6 68.1 1390.0250 00.966

Naphthalene 1.000 104 58.4 1600.0500 01.04


Surr: Toluene-d8 1.250 99.8 64.5 1511.25






11/17/2017Date:



Prep Date: 11/15/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39966

SeqNo: 769513

DUPSampType:



Benzene 300.0237 0ND

Toluene 300.0237 0ND







Surr: Toluene-d8 1.483 96.7 64.5 151 01.43




Prep Date: 11/15/2017


Units: mg/Kg-dry

RL


RunNo: 39966

SeqNo: 769523

DUPSampType:











Surr: Toluene-d8 1.701 97.8 64.5 151 01.66






11/17/2017Date:

Sample ID LCS-18840




Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39839

SeqNo: 766932

LCSSampType:


1,2-Dichloroethane 1.000 103 50.9 1620.0200 01.03

Benzene 1.000 114 64.3 1330.0200 01.14

Toluene 1.000 110 67.3 1380.0200 01.10


Ethylbenzene 1.000 109 74 1290.0250 01.09

m,p-Xylene 2.000 115 70 1240.0500 02.29

o-Xylene 1.000 107 68.1 1390.0250 01.07

Naphthalene 1.000 101 58.4 1600.0500 01.01


Surr: Toluene-d8 1.250 97.5 64.5 1511.22


Sample ID MB-18840




Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39839

SeqNo: 766933

MBLKSampType:



Benzene 0.0200ND

Toluene 0.0200ND



m,p-Xylene 0.0500ND

o-Xylene 0.0250ND

Naphthalene Q0.0500ND


Surr: Toluene-d8 1.250 93.7 64.5 1511.17






11/17/2017Date:

Sample ID MB-18840




Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39839

SeqNo: 766933

MBLKSampType:






Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39839

SeqNo: 767555

DUPSampType:



Benzene 300.0315 0.1041 1.750.106

Toluene 300.0315 0.1681 3.030.173





Naphthalene 30 Q0.0788 0.1001 7.350.0930


Surr: Toluene-d8 1.971 88.9 64.5 151 01.75







Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39839

SeqNo: 767557

MSSampType:


1,2-Dichloroethane 0.5621 106 51.3 1390.0112 00.596

Benzene 0.5621 117 63.5 1330.0112 0.094290.751

Toluene 0.5621 112 63.4 1320.0112 0.27960.908


Ethylbenzene 0.5621 125 54.5 1340.0141 0.060450.763





11/17/2017Date:





Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39839

SeqNo: 767557

MSSampType:

m,p-Xylene 1.124 124 53.1 1320.0281 0.28341.68

o-Xylene 0.5621 119 53.3 1390.0141 0.10990.778

Naphthalene 0.5621 77.3 52.3 1240.0281 0.042140.477


Surr: Toluene-d8 0.7026 92.0 64.5 1510.646






Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 39839

SeqNo: 767558

MSDSampType:

Methyl tert-butyl ether (MTBE) 0.5621 98.1 58.5 167 300.0281 0 0.5432 1.500.551

1,2-Dichloroethane 0.5621 109 51.3 139 300.0112 0 0.5964 2.410.611

Benzene 0.5621 122 63.5 133 300.0112 0.09429 0.7513 3.960.782

Toluene 0.5621 113 63.4 132 300.0112 0.2796 0.9075 1.040.917

1,2-Dibromoethane (EDB) 0.5621 106 50.4 136 300.00281 0 0.5933 0.8400.598

Ethylbenzene 0.5621 125 54.5 134 300.0141 0.06045 0.7626 0.1310.764

m,p-Xylene 1.124 124 53.1 132 300.0281 0.2834 1.678 0.2821.68

o-Xylene 0.5621 121 53.3 139 300.0141 0.1099 0.7776 1.470.789

Naphthalene 0.5621 85.5 52.3 124 300.0281 0.04214 0.4768 9.220.523


Surr: Toluene-d8 0.7026 92.9 64.5 151 00.652



Date Received: 11/9/2017 4:47:00 PM



Brianna BarnesLogged by:

Item Information











1.

2.

6.

10.

11.

12.

13.

14.

15.

16.


Chain of Custody

Log In





18.

19.



Regarding:


Additional remarks:


By Whom:





*

Item # Temp ºC

Cooler 1.8

Sample 2.3



November 27, 2017



RE: NA Properties Everett - 57302Work Order Number: 1711204


Seattle, WA 98103


Seattle, WA 98103

T: (206) 352-3790

F: (206) 352-7178

[email protected]


Chelsea Ward





Sincerely,

Project Manager








Page 1 of 22

11/27/2017Date:



Work Order: 1711204


Lab Sample ID Client Sample ID Date/Time ReceivedDate/Time Collected1711204-001 N20 E17: 4ft 11/13/2017 10:08 AM 11/13/2017 3:56 PM

1711204-002 N39 E20: 7.5ft 11/13/2017 10:35 AM 11/13/2017 3:56 PM

1711204-003 N30 E22: 5.5ft 11/13/2017 10:55 AM 11/13/2017 3:56 PM

1711204-004 N29 E17:8ft 11/13/2017 11:25 AM 11/13/2017 3:56 PM

1711204-005 N28 E12: 5ft 11/13/2017 11:38 AM 11/13/2017 3:56 PM

1711204-006 N17 E16: 5ft 11/13/2017 11:56 AM 11/13/2017 3:56 PM

1711204-007 N14 E05: 1ft 11/13/2017 12:45 PM 11/13/2017 3:56 PM

1711204-008 N14 E05: 3.5ft 11/13/2017 12:55 PM 11/13/2017 3:56 PM

1711204-009 N04 E21: 5.5ft 11/13/2017 1:15 PM 11/13/2017 3:56 PM

1711204-010 N03 E05: 3.5ft 11/13/2017 1:35 PM 11/13/2017 3:56 PM




11/27/2017


Date:

WO#:





Original

Page 3 of 22

11/27/2017


Date Reported:

WO#:

Qualifiers:


Acronyms:


Original



Client Sample ID: N39 E20: 7.5ft


Matrix: Soil


Lab ID: 1711204-002


Analytical Report

11/27/20171711204

Date Reported:

Work Order:
















Original

Page 5 of 22




Matrix: Soil


Lab ID: 1711204-003


Analytical Report

11/27/20171711204

Date Reported:

Work Order:
















Original

Page 6 of 22


Client Sample ID: N29 E17:8ft


Matrix: Soil


Lab ID: 1711204-004


Analytical Report

11/27/20171711204

Date Reported:

Work Order:
















Original

Page 7 of 22


Client Sample ID: N28 E12: 5ft


Matrix: Soil


Lab ID: 1711204-005


Analytical Report

11/27/20171711204

Date Reported:

Work Order:
















Original

Page 8 of 22


Client Sample ID: N17 E16: 5ft


Matrix: Soil


Lab ID: 1711204-006


Analytical Report

11/27/20171711204

Date Reported:

Work Order:
















Original

Page 9 of 22




Matrix: Soil


Lab ID: 1711204-008


Analytical Report

11/27/20171711204

Date Reported:

Work Order:




Surr: 2-Fluorobiphenyl 11/14/2017 5:40:12 PM50 - 150 %Rec 1103




Surr: 4-Bromofluorobenzene 11/20/2017 4:50:11 AM65 - 135 %Rec 198.1

Surr: Toluene-d8 11/20/2017 4:50:11 AM65 - 135 %Rec 1100












Original

Page 10 of 22




Matrix: Soil


Lab ID: 1711204-009


Analytical Report

11/27/20171711204

Date Reported:

Work Order:

















Surr: Toluene-d8 11/20/2017 8:23:23 AM64.5 - 151 %Rec 1100




Original

Page 11 of 22




Matrix: Soil


Lab ID: 1711204-010


Analytical Report

11/27/20171711204

Date Reported:

Work Order:





















Original

Page 12 of 22




11/27/2017Date:

Sample ID MB-18880


Prep Date: 11/14/2017


Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 39912

SeqNo: 768447

MBLKSampType:


Heavy Oil 50.0ND


Surr: o-Terphenyl 20.00 107 50 15021.4

Sample ID LCS-18880


Prep Date: 11/14/2017


Units: mg/Kg

RL

Client ID: LCSS

RunNo: 39912

SeqNo: 768448

LCSSampType:

Diesel (Fuel Oil) 500.0 100 65 13520.0 0502


Surr: o-Terphenyl 20.00 119 50 15023.7



Prep Date: 11/14/2017


Units: mg/Kg-dry

RL

Client ID: N14 E05: 3.5ft

RunNo: 39912

SeqNo: 768450

DUPSampType:




Surr: o-Terphenyl 21.90 118 50 150 025.8



Prep Date: 11/14/2017


Units: mg/Kg-dry

RL


RunNo: 39912

SeqNo: 768451

MSSampType:

Diesel (Fuel Oil) 558.9 116 65 13522.4 0649


Surr: o-Terphenyl 22.36 119 50 15026.5





11/27/2017Date:



Prep Date: 11/14/2017


Units: mg/Kg-dry

RL


RunNo: 39912

SeqNo: 768451

MSSampType:



Prep Date: 11/14/2017


Units: mg/Kg-dry

RL


RunNo: 39912

SeqNo: 768452

MSDSampType:

Diesel (Fuel Oil) 591.2 109 65 135 3023.6 0 649.4 0.710645


Surr: o-Terphenyl 23.65 126 50 150 029.9





11/27/2017Date:

Sample ID LCS-18944


Prep Date: 11/17/2017


Units: mg/Kg

RL

Client ID: LCSS

RunNo: 40027

SeqNo: 770777

LCSSampType:

Gasoline 25.00 81.6 65 1355.00 020.4

Surr: Toluene-d8 1.250 98.4 65 1351.23


Sample ID MB-18944


Prep Date: 11/17/2017


Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 40027

SeqNo: 770778

MBLKSampType:

Gasoline 5.00ND

Surr: Toluene-d8 1.250 97.7 65 1351.22




Prep Date: 11/17/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 40027

SeqNo: 770769

DUPSampType:

Gasoline 304.39 0ND

Surr: Toluene-d8 1.097 99.5 65 135 01.09




Prep Date: 11/17/2017


Units: mg/Kg-dry

RL

Client ID: N29 E17:8ft

RunNo: 40027

SeqNo: 770760

DUPSampType:

Gasoline 305.03 11.35 11.112.7

Surr: Toluene-d8 1.257 97.9 65 135 01.23






11/27/2017Date:



Prep Date: 11/17/2017


Units: mg/Kg-dry

RL


RunNo: 40027

SeqNo: 770764

MSSampType:

Gasoline 39.75 89.3 65 1357.95 035.5

Surr: Toluene-d8 1.988 97.0 65 1351.93




Prep Date: 11/17/2017


Units: mg/Kg-dry

RL


RunNo: 40027

SeqNo: 770765

MSDSampType:

Gasoline 39.75 79.1 65 135 307.95 0 35.49 12.131.4

Surr: Toluene-d8 1.988 97.4 65 135 01.94






11/27/2017Date:



Prep Date: 11/15/2017


Units: wt%

RL

Client ID: BATCH

RunNo: 39916

SeqNo: 768484

DUPSampType:




Prep Date: 11/15/2017


Units: wt%

RL

Client ID: BATCH

RunNo: 39916

SeqNo: 768501

DUPSampType:






11/27/2017Date:

Sample ID LCS-18944


Prep Date: 11/17/2017


Units: mg/Kg

RL

Client ID: LCSS

RunNo: 40026

SeqNo: 770748

LCSSampType:

Benzene 1.000 108 64.3 1330.0200 01.08

Toluene 1.000 107 67.3 1380.0200 01.07

Ethylbenzene 1.000 116 74 1290.0250 01.16

m,p-Xylene 2.000 112 70 1240.0500 02.25

o-Xylene 1.000 107 68.1 1390.0250 01.07

Surr: Dibromofluoromethane 1.250 101 56.5 1291.26

Surr: Toluene-d8 1.250 99.1 64.5 1511.24


Sample ID MB-18944


Prep Date: 11/17/2017


Units: mg/Kg

RL

Client ID: MBLKS

RunNo: 40026

SeqNo: 770749

MBLKSampType:

Benzene 0.0200ND

Toluene 0.0200ND


m,p-Xylene 0.0500ND

o-Xylene 0.0250ND


Surr: Toluene-d8 1.250 98.0 64.5 1511.22




Prep Date: 11/17/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 40026

SeqNo: 770742

DUPSampType:









11/27/2017Date:



Prep Date: 11/17/2017


Units: mg/Kg-dry

RL

Client ID: BATCH

RunNo: 40026

SeqNo: 770742

DUPSampType:



Surr: Toluene-d8 1.097 97.1 64.5 151 01.07




Prep Date: 11/17/2017


Units: mg/Kg-dry

RL

Client ID: N29 E17:8ft

RunNo: 40026

SeqNo: 770735

DUPSampType:

Benzene 300.0201 1.094 5.341.15

Toluene 300.0201 2.282 5.772.42

Ethylbenzene 300.0251 0.2634 5.820.279

m,p-Xylene 300.0503 0.9686 4.881.02

o-Xylene 300.0251 0.2381 6.950.255


Surr: Toluene-d8 1.257 97.1 64.5 151 01.22




Prep Date: 11/17/2017


Units: mg/Kg-dry

RL


RunNo: 40026

SeqNo: 770731

MSSampType:

Benzene 1.081 121 63.5 1330.0216 01.31

Toluene 1.081 123 63.4 1320.0216 01.33

Ethylbenzene 1.081 130 54.5 1340.0270 01.40

m,p-Xylene 2.162 123 53.1 1320.0541 0.066082.73

o-Xylene 1.081 120 53.3 1390.0270 01.30


Surr: Toluene-d8 1.351 100 64.5 1511.35






11/27/2017Date:



Prep Date: 11/17/2017


Units: mg/Kg-dry

RL


RunNo: 40026

SeqNo: 770731

MSSampType:



Prep Date: 11/17/2017


Units: mg/Kg-dry

RL


RunNo: 40026

SeqNo: 770732

MSDSampType:

Benzene 1.081 126 63.5 133 300.0216 0 1.309 3.851.36

Toluene 1.081 126 63.4 132 300.0216 0 1.329 2.171.36

Ethylbenzene 1.081 136 54.5 134 30 S0.0270 0 1.403 4.601.47

m,p-Xylene 2.162 128 53.1 132 300.0541 0.06608 2.730 3.652.83

o-Xylene 1.081 125 53.3 139 300.0270 0 1.295 3.911.35


Surr: Toluene-d8 1.351 98.9 64.5 151 01.34

Surr: 1-Bromo-4-fluorobenzene 1.351 104 43.2 143 01.41


Date Received: 11/13/2017 3:56:00 PM



Clare GriggsLogged by:

Item Information











1.

2.

6.

10.

11.

12.

13.

14.

15.

16.


Chain of Custody

Log In





18.

19.



Regarding:


Additional remarks:


By Whom:





*

Item # Temp ºC

Cooler 7.9

Sample 8.4



ATTACHMENT B FIELD PHOTOGRAPHS

UST Removal and Remedial Excavation Report | Field Photographs Project: 57302-2.2 Site Address: 902 North Broadway, Everett, Washington

Photograph 1 – 11/6/2017 – View of southern fuel dispenser and canopy prior to removal

Photograph 2 – 11/6/2017 – View into the base of the fuel dispenser shown in Photograph 1, showing the absence of a secondary containment sump.


Photograph 3 – 11/6/2017 – View within turbine vault on the middle UST, showing the plywood walls, dirt bottom, and absence of secondary containment.

Photograph 4 – 11/8/2017 – View of a jointed section of fiberglass product piping, showing a clean pull-apart disassembly at the joint.


Photograph 5 – 11/9/2017 – View of the middle UST in the initial stages of removal. The fragment of the west UST left in place is visible to the left, partially obscured by gravel.

Photograph 6 – 11/9/2017 – View of the east UST in the initial stages of removal.


Photograph 7 – 11/9/2017 - View of the fragment of the east UST left in-place.

Photograph 8 – 11/9/2017 – View looking south, of product lines entering the southwest corner of the excavation. Note the presence of gray petroleum staining in the soil immediately below the lines.


Photograph 9 – 11/13/2017 – View looking southeast, of the extent of the soil hotspot excavation.

ATTACHMENT C ECOLOGY UST SITE ASSESSMENT CHECKLIST

ECY 010-158 (Rev. Jan. 2015)

V. REASON FOR CONDUCTING SITE CHECK/SITE ASSESSMENT (check one)

Release investigation following permanent UST system closure (i.e. tank removal or closure-in-place).

Release investigation following a failed tank and/or line tightness test.

Release investigation following discovery of contaminated soil and/or groundwater.

Release investigation directed by Ecology to determine if the UST system is the source of offsite impacts.

UST system is undergoing a “change-in-service”, which is changing from storing a regulated substance (e.g. gasoline) to storing a non-regulated substance (e.g. water).

Directed by Ecology for UST system permanently closed or abandoned before 12/22/1988.

Other (describe):

I. UST FACILITY II. OWNER/OPERATOR INFORMATION Facility Compliance Tag #: Owner/Operator Name:

UST ID #: Business Name:

Site Name: Address:

Site Address: City: State: Zip:

City: Phone:

Phone: Email:

III. CERTIFIED SITE ASSESSOR Service Provider Name: Company Name:

Cell Phone: Email: Address:

Certification #: Exp. Date: City: State: Zip:

IV. TANK INFORMATION

TANK ID TANK CAPACITY LAST SUBSTANCE STORED DATE SITE CHECK OR ASSESSMENT CONDUCTED

SITE CHECK/SITE ASSESSMENT CHECKLIST FOR UNDERGROUND STORAGE TANKS

This checklist certifies that site check or site assessment activities were performed in accordance with Chapter 173-360 WAC. Instructions are found on the last page.

UST ID #: __________

County: __________

A4760, A8106

97637 N A Properties Inc

Former In & Out Texaco c/o NAP 7 Everett7524 SE 24th St, Ste 315

Mercer Island WA 98040

206-230-4990

[email protected]

902 North Broadway

Everett

Nathan Evenson Kane Environmental, Inc.

[email protected] PO Box 31936

Seattle WA 98103ICC00245994 2/11/2018

1

2

3

12,000 gal

12,000 gal

12,000 gal

Unleaded Gasoline

Unleaded Gasoline

Unleaded Gasoline

11/6/2017-11/9/2017

11/6/2017-11/9/2017

11/6/2017-11/9/2017

X

ATTACHMENT D UST RINSE AND INERTING CERTIFICATIONS

ATTACHMENT E SOIL DISPOSAL DOCUMENTATION

Underground Storage Tank Removal and Remedial Excavation ...

Documents

Transcript of Underground Storage Tank Removal and Remedial Excavation ...