PG&E Topock Compressor Station, Needles, California - Pacific … · 2013. 10. 29. · Board Order...

Pacific Gas and Electric Company

Curt Russell Topock Onsite Project Manager Environmental Affairs

Topock Compressor Station 145453 National Trails Hwy Needles, CA 92363 Mailing Address P.O. Box 337 Needles, CA 92363 760.326.5582 Fax: 760.326.5542 Email: [email protected]

April 14, 2006 Robert Perdue Executive Officer California Regional Water Quality Control Board Colorado River Basin Region 73-720 Fred Waring Drive, Suite 100 Palm Desert, CA 92260 Subject: Board Order R7-2004-0103

WDID No. 7B 36 2033 001 PG&E Topock Compressor Station, Needles, California Interim Measure No. 3 Groundwater Treatment System Discharge to Injection Well(s) Combined March 2006 and First Quarter 2006 Monitoring Report

Dear Mr. Perdue:

Enclosed is the Board Order R7-2004-0103 Combined March 2006 and First Quarter 2006 Monitoring Report for the Pacific Gas and Electric Company (PG&E) Topock Compressor Station, Interim Measure (IM) No. 3 Groundwater Treatment System. This report is being submitted in compliance with the Waste Discharge Requirements (WDRs) issued by the Colorado River Basin Regional Water Quality Control Board (Water Board) under Board Order R7-2004-0103.

WDRs under Board Order R7-2004-0103 apply to IM No. 3 Treatment System discharge by subsurface injection wells only. In addition, the Water Board issued WDRs for IM No. 3 Treatment System discharge to the Colorado River (Board Order R7-2004-0100) and IM No. 3 Treatment System discharge to the PG&E Compressor Station (Board Order R7-2004-0080). Reporting of Board Order R7-2004-0080 and Board Order R7-2004-0100 activities are submitted under separate covers.

Robert Perdue April 14, 2006 If you have any questions regarding this report, please call me at (760) 326-5582.

Sincerely,

Curt Russell Topock Onsite Project Manager Enclosures: Board Order R7-2004-0103 Combined March 2006 and First Quarter 2006 Monitoring Report

for the IM No. 3 Groundwater Treatment System.

cc: José Cortez, Water Board Liann Chavez, Water Board Tom Vandenberg, Water Board Norman Shopay, DTSC

March 2006 and First Quarter 2006 Monitoring Report

for Interim Measure No. 3 Groundwater Treatment System

Waste Discharge Requirements Board Order No. R7-2004-0103

PG&E Topock Compressor Station Needles, California

Prepared for

California Regional Water Quality Control Board Colorado River Basin Region

on behalf of

Pacific Gas and Electric Company

April 14, 2006

155 Grand Avenue, Suite 1000 Oakland, CA 94612

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Contents

Acronyms and Abbreviations ................................................................................................... v

1.0 Introduction......................................................................................................................1

2.0 Sampling Station Locations...........................................................................................2

3.0 Description of Activities ................................................................................................3

4.0 Groundwater Treatment System Flow Rates .............................................................4

5.0 Sampling and Analytical Procedures ..........................................................................5

6.0 Analytical Results............................................................................................................6

7.0 Conclusions ......................................................................................................................7

8.0 Certification......................................................................................................................8

Tables

1 Sampling Station Descriptions

2 Flow Monitoring Results

3 Board Order No. R7-2004-0103 Waste Discharge Requirements Influent Monitoring Results

4 Board Order No. R7-2004-0103 Waste Discharge Requirements Effluent Monitoring Results

5 Board Order No. R7-2004-0103 Waste Discharge Requirements Reverse Osmosis Concentrate Monitoring Results

6 Board Order No. R7-2004-0103 Waste Discharge Requirements Sludge Monitoring Results

7 Board Order No. R7-2004-0103 Waste Discharge Requirements Monitoring Information

Figures

1 IM No. 3 Project Area Site Features

TP-PR-10-10-03 Effluent Metering Locations

TP-PR-10-10-11 Influent Metering Locations

TP-PR-10-10-04 Raw Water Storage and Treated Water Storage Tanks and Sampling Locations

CONTENTS

BAO\061040003 iv

TP-PR-10-10-08 Reverse Osmosis Storage Tank Sampling and Metering Locations

TP-PR-10-10-06 Sludge Storage Tanks Sampling Locations

Appendix

A Laboratory Analytical Reports

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Acronyms and Abbreviations

gpm gallons per minute

IM Interim Measure

MBC MBC Applied Environmental Sciences Laboratories

MRP Monitoring and Reporting Program

PG&E Pacific Gas and Electric Company

STL Severn Trent Laboratories, Inc.

Truesdail Truesdail Laboratories, Inc.

Water Board California Regional Water Quality Control Board, Colorado River Basin Region

WDR Waste Discharge Requirements

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1.0 Introduction

Pacific Gas and Electric Company (PG&E) is implementing an Interim Measure (IM) to address chromium concentrations in groundwater at the Topock Compressor Station near Needles, California. The IM consists of groundwater extraction for hydraulic control of the plume boundaries in the Colorado River floodplain and management of extracted groundwater. The groundwater extraction, treatment, and injection systems collectively are referred to as IM No. 3. Figure 1 provides a map of the project area.

California Regional Water Quality Control Board, Colorado River Basin Region (Water Board) Board Order No. R7-2004-0103 authorizes PG&E to inject treated groundwater into injection wells located on San Bernardino County Assessor’s Parcel No. 650-151-06. The Monitoring and Reporting Program (MRP) under the order requires monthly monitoring reports to be submitted by the 15th day of the following month, and quarterly monitoring reports to be submitted by January 15, April 15, July 15, and October 15 of each year.

This report encompasses monitoring activities related to operation of the IM No. 3 groundwater treatment system during the month of March 2006, and includes the information required for the First Quarter 2006 by reference to the January 2006 Monitoring Report (submitted February 15, 2006) and the February 2006 Monitoring Report (submitted March 15, 2006).

In addition to Board Order No. R7-2004-0103, the Water Board issued Waste Discharge Requirements (WDRs) for IM No. 3 treatment system discharge to the Colorado River (Board Order R7-2004-0100) and IM No. 3 treatment system discharge to the PG&E Compressor Station (Board Order R7-2004-0080). To date, there has been no IM No. 3 treatment system discharge to the Colorado River or the PG&E Compressor Station. PG&E has no plans to discharge IM No. 3 treatment system effluent to the Colorado River or the PG&E Compressor Station at this time. Reporting of Board Order R7-2004-0080 and Board Order R7-2004-0100 activities will be submitted under separate cover.

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2.0 Sampling Station Locations

Table 1 lists the locations of sampling stations. The locations of the sampling stations are provided in the process and instrumentation diagrams: Figures TP-PR-10-10-04, TP-PR-10-10-08, and TP-PR-10-10-06.

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3.0 Description of Activities

The treatment system was initially operated between July 25 and July 28, 2005 for the WDR-mandated startup phase. Discharge to the injection wells was initiated July 31, 2005 after successfully completing the startup phase in accordance with the WDRs. Full-time operation of the treatment system commenced in August 2005.

Activities during January 2006 and February 2006 were presented in the January 2006 Monitoring Report (submitted February 15, 2006) and the February 2006 Monitoring Report (submitted March 15, 2006), respectively. During March 2006, groundwater was pumped from extraction wells TW-3D and PE-1. The target groundwater extraction system pump rate was 135 gallons per minute (gpm) during March 2006 (excluding planned and unplanned downtime, which is described in Section 4.0).

Operation of the groundwater treatment system results in three out-flow components:

• Treated Effluent: Treated water that is discharged to the injection well(s).

• Reverse Osmosis Concentrate: Treatment by-product that is transported and disposed offsite.

• Sludge: Treatment by-product that is transported offsite for disposal each time a sludge waste storage bin reaches capacity or within 90 days of the start date for accumulation in the storage container.

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4.0 Groundwater Treatment System Flow Rates

The March 2006 treatment system monthly average flow rates are presented in Table 2. System influent flow rate was measured by flow meters at groundwater extraction wells TW-2S, TW-2D, TW-3D, and PE-1 (Figure TP-RP-10-10-03). The treatment system effluent flow rate was measured by flow meters in the piping into injection well IW-2 and IW-3 (Figure TP-RP-10-10-11). The reverse osmosis concentrate flow rate was measured by a flow meter at the piping carrying water from reverse osmosis concentrate tank T-701 to the truck load-out station (Figure TP-RP-10-10-08).

Groundwater treatment system flow rates and extraction system downtimes during January 2006 and February 2006 were presented in the January 2006 Monitoring Report (submitted February 15, 2006) and the February 2006 Monitoring Report (submitted March 15, 2006), respectively.

No planned extraction system downtime occurred during March 2006. Periods of unplanned extraction system downtime are summarized below.

• March 5, 8, 10, 11 and 15, 2006: Extraction well PE-1 was automatically shut down due to a low water level above the well pump. This alarm condition protects the submersible well pump from damage due to overheating. The well pump was re-started after groundwater levels had sufficiently recovered in the well. Periods of PE-1 downtime occurred on March 5 (9 minutes), March 8 (70 minutes), March 10 and 11 (overnight shutdown for 14 hours 54 minutes), and March 15 (11 minutes). Since March 15, the target pump rate from PE-1 was reduced from approximately 37 gpm to 36 gpm to reduce the potential for over-pumping in the well and resulting unplanned shutdown periods. Extraction well TW-3D continued to operate during each of these periods of PE-1 downtime and was temporarily increased to approximately 120 gpm during the longer downtime events until PE-1 was brought back into service.

• March 7, 2006: The extraction well system was shut down from 7:00 pm to 7:25 pm (26 minutes) due to power supply issues with City of Needles power.

• March 25 and 26, 2006: The extraction well system was shut down from 8:54 pm on March 25 to 2:42 am on March 26 to repair a pinhole leak on the reverse osmosis unit piping. Extraction system downtime was 5 hours 49 minutes.

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5.0 Sampling and Analytical Procedures

All samples were collected at the designated sampling locations and placed directly into containers provided by Truesdail Laboratories, Inc. (Truesdail) or Severn Trent Laboratories, Inc. (STL). Sample containers were labeled and packaged according to standard sampling procedures.

The samples were stored in a cooler at 4° Celsius and transported to Truesdail or STL via courier service under chain-of-custody documentation.

Truesdail is certified by the California Department of Health Services (Certification #1237) under the State of California’s Environmental Laboratory Accreditation Program. STL is certified by the California Department of Health Services (Certification #1118) under the Environmental Laboratory Accreditation Program. MBC is certified by the California Department of Health Services (Certification # 1788) under the State of California’s Environmental Laboratory Accreditation Program.

All analyses were performed in accordance with the latest edition of the “Guidelines Establishing Test Procedures for Analysis of Pollutants” (40 CFR Part 136), promulgated by the United States Environmental Protection Agency.

As required by the MRP, the analytical method selected for total chromium has a method detection limit of 1 part per billion, and the analytical method selected for hexavalent chromium has a method detection limit of 0.2 part per billion.

Influent, effluent, reverse osmosis concentrate, and sludge sampling was conducted in accordance with the sampling frequency required by the MRP. The sampling analytical results are shown in Tables 3, 4, 5 and 6, respectively.

Groundwater quality is being monitored in observation and compliance wells according to procedures and schedules approved in the Groundwater Compliance Monitoring Plan for Interim Measures No. 3 Injection Area (CH2M HILL, 2005). Quarterly groundwater monitoring analytical results for the injection area are reported in a separate document, in conjunction with groundwater level maps of the same monitoring wells.

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6.0 Analytical Results

Laboratory reports prepared by the certified analytical laboratory(ies) are presented in Appendix A. The March 2006 analytical results from groundwater treatment system influent, effluent, reverse osmosis concentrate, and sludge samples are presented in Tables 3, 4, 5, and 6, respectively. Analytical results from January 2006 and February 2006 were presented in the January 2006 Monitoring Report (submitted February 15, 2006) and the February 2006 Monitoring Report (submitted March 15, 2006), respectively.

In accordance with the WDR reporting requirements, the following sampling frequency schedule was followed during March 2006:

• The influent was sampled monthly; sample date March 8, 2006.

• The effluent was sampled weekly; sample dates March 1, 8, 15, 22, and 29, 2006.

• The reverse osmosis concentrate was sampled monthly; sample date March 8, 2006.

• The sludge was sampled monthly; sample date March 8, 2006. WDR requirements state that sludge is to be sampled each time sludge is transported offsite unless sludge is transported offsite more frequently than monthly, in which case the sampling frequency shall be monthly.

• The sludge is required to have an aquatic bioassay test quarterly; an aquatic bioassay test was conducted with a sludge sample from the February 15, 2006 sampling event. The aquatic bioassay test results were presented in the February 2006 Monitoring Report submitted March 15, 2006.

Table 7 identifies the laboratory that performed each analysis and lists the following required information:

• Sample location • Sample identification number • Sampler name • Sample date • Sample time • Laboratory performing analysis • Analysis method • Analysis date • Laboratory technician

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7.0 Conclusions

There were no exceedances of the effluent limitations during the reporting period.

In addition, no incidents of non-compliance were identified during the reporting period, and no events that caused an immediate or potential threat to human health or the environment, or new releases of hazardous waste or hazardous waste constituents, or new solid waste management units were identified during the reporting period.

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8.0 Certification

PG&E submitted a signature delegation letter to the Water Board on August 12, 2005. The letter delegated PG&E signature authority to Mr. Curt Russell and Ms. Yvonne Meeks for correspondence regarding Board Order R7-2004-0103.

Certification Statement:

I declare under the penalty of law that I have personally examined and am familiar with the information submitted in this document, and that based on my inquiry of those individuals immediately responsible for obtaining the information, I believe that the information is true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of a fine and imprisonment for knowing violations.

Signature:

Name: Curt Russell

Company: Pacific Gas and Electric Company

Title: Topock Onsite Project Manager

Date: April 14, 2006

Tables

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TABLE 1 Sampling Station Descriptions March 2006 Report for IM No. 3 Groundwater Treatment System

Sample Station Sample IDa Location

Sampling Station A: Groundwater Treatment System Influent

SC-100B-WDR-### Sample collected from tap on pipe into T-100 (see Figure TP-RP-10-10-04).

Sampling Station B: Groundwater Treatment System Effluent

SC-700B-WDR-### Sample collected from tap on pipe downstream from T-700 (see Figure TP-RP-10-10-04).

Sampling Station D: Groundwater Treatment System Reverse Osmosis Concentrate

SC-701-WDR-### Sample collected from tap on pipe into T-701 (see Figure TP-RP-10-10-08).

Sampling Station E: Groundwater Treatment System Sludge

SC-SLUDGE-WDR-### Sample collected from sludge accumulated in the phase separator used this quarter (see Figure TP-RP-10-10-06).

Note: a The sample event is included at the end of the sample ID (e.g. SC-100B-WDR-015).

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TABLE 2 Flow Monitoring Results March 2006 Report for IM No. 3 Groundwater Treatment System

Parameter System Influenta,d System Effluentb,d Reverse Osmosis Concentratec,d

Average Monthly Flowrate (gpm)

133.0 121.1 11.7

gpm: gallons per minute. a Extraction wells TW-3D and PE-1 were operated during March 2006. b All effluent was discharged into injection wells IW-2 during March 2006. c Reverse Osmosis flow meter reading from FIT-701. d The difference between influent flow rate and the sum of the effluent and reverse osmosis concentrate flow rates is approximately 0.2 percent, which is within the range of acceptable accuracy considering the margin of error for onsite instrumentation, the water contained within the sludge, and differences in the inventory of water in the treatment system between the beginning and end of the reporting period.

TABLE 3

Influent Monitoring ResultsMarch 2006 Monthly Report for Interim Measures No.3 Groundwater Treatment System

Board Order No. R7-2004-0103 Waste Discharge Requirements (WDRs)a

AnalytesUnits

TDS TurbiditySpecific

Conductance pH ChromiumHexavalent Chromium Aluminium

Ammonia (as N) Antimony Arsenic Barium Boron Copper Fluoride Lead Manganese Molybdenum Nickel

Nitrate(as N) Sulfate Iron Zinc

NTU µmhos/cm pHunits µg/L µg/Lµg/Lµg/Lµg/Lµg/Lµg/L µg/Lµg/L µg/Lµg/L µg/L µg/Lmg/L mg/L mg/Lmg/Lmg/Lmg/LDateSample ID

Required Sampling Frequency Monthly

Nitrite(as N)

mg/Lb

SC-100B-WDR-036 3/8/2006 5860 J ND (0.1) 10500 7.44 2650 2280 ND (52) ND (0.5) ND (3.0) ND (5.0) ND (300) 31.3 2.46 2.40 1.66 ND (500) 14.2 ND (20) 3.32 687 80.9 ND (300)0.0059

(---) = not required by the WDR Monitoring and Reporting Programµg/L = micrograms per litermg/L = milligrams per literNTU = nephelometric turbidity unitsµmhos/cm = micromhos per centimeterND = parameter not detected at the listed reporting limitJ = concentration or reporting limits estimated by laboratory or validation

NOTES:

a

Units reported in this table are those units required in the WDRsbSampling Location for all Influent Samples is tap on pipe from extraction wells into tank T-100 (see attached P&ID TP-PR-10-10-04)

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Date Printed 4/12/2006

TABLE 4

Effluent Monitoring ResultsMarch 2006 Monthly Report for Interim Measures No.3 Groundwater Treatment System


WDRs Effluent Limits

Analytes

Ave. MonthlyMax Daily

UnitsTDS Turbidity

Specific Conductance pH Chromium

Hexavalent Chromium Aluminium

Ammonia (as N) Antimony Arsenic Barium Boron Copper Fluoride Lead Manganese Molybdenum Nickel

Nitrate(as N) Sulfate Iron Zinc

NTU µmhos/cm pHunits µg/L µg/Lµg/Lµg/Lµg/Lµg/Lµg/L µg/Lµg/L µg/Lµg/L µg/L µg/Lmg/L mg/L mg/Lmg/Lmg/Lmg/LDateSample ID

NA NA NA 6.5-8.4 25 8 NA NA NA NA NA NA NA NANA NA NA NA NA NA NANA

NA NA NA 6.5-8.4 50 16 NA NA NA NA NA NA NA NANA NA NA NA NA NA NANA

Required Sampling Frequency Weekly Monthly

Nitrite(as N)

mg/L

NA

NA

c

b

4170 ND (0.1) 7750 7.88 ND (1.0) ND (1.0) --- --- --- --- --- --- --- ------ --- --- --- --- --- ------SC-700B-WDR-037 3/1/2006 ---

4040 ND (0.1) 7730 7.96 ND (1.0) ND (1.0) ND (52) ND (0.5) ND (3.0) ND (5.0) ND (300) 32.8 1.92 2.40 1.27 ND (500) 8.20 ND (20) 2.79 482 33.2 ND (300)SC-700B-WDR-036 3/8/2006 0.0073

4270 J ND (0.1) 7720 7.74 ND (1.0) ND (1.0) --- --- --- --- --- --- --- ------ --- --- --- --- --- ------SC-700B-WDR-038 3/15/2006 ---

4130 ND (0.1) 7460 7.93 ND (1.0) ND (1.0) --- --- --- --- --- --- --- ------ --- --- --- --- --- ------SC-700B-WDR-039 3/22/2006 ---

4250 J ND (0.1) 8530 8.06 ND (1.0) ND (1.0) --- --- --- --- --- --- --- ------ --- --- --- --- --- ------SC-700B-WDR-040 3/29/2006 ---

(---) = not required by the WDR Monitoring and Reporting ProgramNA = not applicableµg/L = micrograms per litermg/L = milligrams per literNTU = nephelometric turbidity unitsµmhos/cm = micromhos per centimeterND = parameter not detected at the listed reporting limitJ = concentration or reporting limits estimated by laboratory or validation

NOTES:

Units reported in this table are those units required in the WDRscIn addition to the listed effluent limits, the WDRs state that the effluent shall not contain heavy metals, chemicals, pesticides or other constituents in concentrations toxic to human health.

a

bSampling location for all Effluent Samples is tap on pipe downstream from tank T-700 to injection well IW-2 (see attached P&ID TP-PR-10-10-04)

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TABLE 5

Reverse Osmosis Concentrate ResultsMarch 2006 Monthly Report for Interim Measures No.3 Groundwater Treatment System


AnalytesUnits

TDSSpecific

Conductance pH ChromiumHexavalent Chromium Antimony Arsenic Barium Copper Fluoride Lead Molybdenum Nickel Zinc

µmhos/cm pHunits mg/L mg/Lmg/Lmg/Lmg/Lmg/L mg/L mg/Lmg/L mg/Lmg/Lmg/LDateSample ID


Beryllium Cadmium Cobalt Mercury Selenium Silver Thallium Vanadiummg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L

b

22400 35800 7.88 ND (0.001) ND (0.002) ND (0.01) ND (0.01) ND (0.3) 0.062 11.4 ND (0.0052) 0.0611 0.061 0.0615 SC-701-WDR-036 3/8/2006 ND (0.0052) ND (0.0052) ND (0.01) ND (0.0002) ND (0.021) ND (0.01) ND (0.0052) 0.0905

(---) = not required by the WDR Monitoring and Reporting Programµg/L = micrograms per litermg/L = milligrams per literµmhos/cm = micromhos per centimeterND = parameter not detected at the listed reporting limitJ = concentration or reporting limits estimated by laboratory or validation

NOTES:

a

Units reported in this table are those units required in the WDRsbSampling Location for all Reverse Osmosis Samples is tap on pipe T-701 (see attached P&ID TP-PR-10-10-08)

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TABLE 6

Sludge Monitoring ResultsMarch 2006 Monthly Report for Interim Measures No.3 Groundwater Treatment System


Analytes ChromiumHexavalent Chromium Antimony Arsenic Barium Copper Fluoride Lead Molybdenum Nickel Zinc

DateSample ID


Beryllium Cadmium Cobalt Mercury Selenium Silver Thallium Vanadium

c

Units b mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kgmg/kg

25000 220 ND (42)J 15.0 110 130 11.2 ND (3.5) 56.0 52.0 54.0 SC-SLUDGE-WDR-036 3/8/2006 ND (3.5) ND (3.5)J ND (35) 1.60 8.00 ND (7.0) 23.0 110

(---) = not required by the WDR Monitoring and Reporting ProgramND = parameter not detected at the listed reporting limitJ = concentration or reporting limits estimated by laboratory or validationmg/kg = milligrams per killogrammg/L = milligrams per liter

NOTES:

a

c

Sampling Location for all Sludge Samples is the Sludge Collection Tanks (see attached P&ID TP-PR-10-10-06)

Units reported in this table are those units required in the WDRSludge shall be tested for the listed constituents each time sludge is transported offsite, unless transport is more frequent than monthly, in which case the sampling frequency shall be monthly.

b

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TABLE 7

Monitoring InformationMarch 2006 Monthly Report for Interim Measures No.3 Groundwater Treatment System

Board Order No. R7-2004-0103 Waste Discharge Requirements (WDRs)

Sampler Name

Sample Date

Sample TimeLocation Sample ID

Analysis Method

Lab Technician

Analysis DateLab Parameter

Gary SibbleSC-100B SC-100B-WDR-036 3/8/2006 10:30:00 AM EPA 120.1 Alex Hernandez3/9/2006TLI SCEPA 150.1 Alex Hernandez3/9/2006TLI PHEPA 160.1 Emilia Haley3/9/2006TLI TDSEPA 180.1 Gautam Savani3/9/2006TLI TRBEPA 200.7 Riddhi Patel3/13/2006TLI ZNEPA 200.7 Riddhi Patel3/13/2006TLI ALEPA 200.7 Riddhi Patel3/13/2006TLI BEPA 200.7 Riddhi Patel3/13/2006TLI BAEPA 200.7 Riddhi Patel3/13/2006TLI CRTEPA 200.7 Riddhi Patel3/13/2006TLI FEEPA 200.7 Riddhi Patel3/13/2006TLI MNEPA 200.7 Riddhi Patel3/13/2006TLI NIEPA 200.8 Victoria Than3/21/2006TLI SBEPA 200.8 Victoria Than3/21/2006TLI PBEPA 200.8 Victoria Than3/21/2006TLI MOEPA 200.8 Victoria Than3/21/2006TLI ASEPA 200.8 Victoria Than3/21/2006TLI CUEPA 300.0 Vanna Kho3/9/2006TLI FLEPA 300.0 Vanna Kho3/9/2006TLI NO3NEPA 300.0 Vanna Kho3/10/2006TLI SO4EPA 350.2 Alex Hernandez3/13/2006TLI NH3NEPA 354.1 Hope Trinidad3/9/2006TLI NO2N

PA Method 218. Jorge Arriaga3/9/2006TLI CR6

Gary SibbleSC-700B SC-700B-WDR-036 3/8/2006 10:40:00 AM EPA 120.1 Alex Hernandez3/9/2006TLI SCEPA 150.1 Alex Hernandez3/9/2006TLI PHEPA 160.1 Emilia Haley3/9/2006TLI TDSEPA 180.1 Gautam Savani3/9/2006TLI TRBEPA 200.7 Riddhi Patel3/13/2006TLI ALEPA 200.7 Riddhi Patel3/13/2006TLI BEPA 200.7 Riddhi Patel3/13/2006TLI BAEPA 200.7 Riddhi Patel3/14/2006TLI CRTEPA 200.7 Riddhi Patel3/13/2006TLI FEEPA 200.7 Riddhi Patel3/13/2006TLI MNEPA 200.7 Riddhi Patel3/13/2006TLI NI

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TABLE 7



Sampler Name

Sample Date


Analysis Method

Lab Technician


Gary SibbleSC-700B SC-700B-WDR-036 3/8/2006 10:40:00 AM EPA 200.7 Riddhi Patel3/13/2006TLI ZNEPA 200.8 Victoria Than3/21/2006TLI ASEPA 200.8 Victoria Than3/21/2006TLI SBEPA 200.8 Victoria Than3/21/2006TLI PBEPA 200.8 Victoria Than3/21/2006TLI CUEPA 200.8 Victoria Than3/21/2006TLI MOEPA 300.0 Vanna Kho3/9/2006TLI FLEPA 300.0 Vanna Kho3/9/2006TLI NO3NEPA 300.0 Vanna Kho3/10/2006TLI SO4EPA 350.2 Alex Hernandez3/13/2006TLI NH3NEPA 354.1 Hope Trinidad3/9/2006TLI NO2N


David ChaneySC-700B SC-700B-WDR-037 3/1/2006 3:00:00 PM EPA 120.1 Alex Hernandez3/3/2006TLI SCEPA 150.1 Alex Hernandez3/2/2006TLI PHEPA 160.1 Emilia Haley3/2/2006TLI TDSEPA 180.1 Gautam Savani3/2/2006TLI TRBEPA 6010B Riddhi Patel3/3/2006TLI CRTSW 7199 Jorge Arriaga3/2/2006TLI CR6

Jay PiperSC-700B SC-700B-WDR-038 3/15/2006 3:35:00 PM EPA 120.1 Alex Hernandez3/16/2006TLI SCEPA 150.1 Alex Hernandez3/16/2006TLI PHEPA 160.1 Emilia Haley3/16/2006TLI TDSEPA 180.1 Gautam Savani3/16/2006TLI TRBEPA 200.7 Riddhi Patel3/20/2006TLI CRT

PA Method 218. Vanna Kho3/16/2006TLI CR6

J. LundbergSC-700B SC-700B-WDR-039 3/22/2006 2:30:00 PM EPA 120.1 Alex Hernandez3/24/2006TLI SCEPA 150.1 Alex Hernandez3/23/2006TLI PHEPA 160.1 Emilia Haley3/24/2006TLI TDSEPA 180.1 Gautam Savani3/23/2006TLI TRBEPA 200.7 Riddhi Patel3/31/2006TLI CRT


Chris KnightSC-700B SC-700B-WDR-040 3/29/2006 2:00:00 PM EPA 120.1 Alex Hernandez3/30/2006TLI SCEPA 150.1 Alex Hernandez3/30/2006TLI PHEPA 160.1 Emilia Haley3/30/2006TLI TDS



TABLE 7



Sampler Name

Sample Date


Analysis Method

Lab Technician


Chris KnightSC-700B SC-700B-WDR-040 3/29/2006 2:00:00 PM EPA 180.1 Gautam Savani3/30/2006TLI TRBEPA 200.7 Riddhi Patel3/31/2006TLI CRT


Gary SibbleSC-701 SC-701-WDR-036 3/8/2006 10:49:00 AM EPA 120.1 Alex Hernandez3/9/2006TLI SCEPA 150.1 Alex Hernandez3/9/2006TLI PHEPA 160.1 Emilia Haley3/9/2006TLI TDSEPA 200.7 Riddhi Patel3/13/2006TLI BAEPA 200.7 Riddhi Patel3/14/2006TLI CRTEPA 200.7 Riddhi Patel3/13/2006TLI NIEPA 200.7 Riddhi Patel3/13/2006TLI ZNEPA 200.8 Victoria Than3/21/2006TLI CUEPA 200.8 Victoria Than3/21/2006TLI AGEPA 200.8 Victoria Than3/21/2006TLI ASEPA 200.8 Victoria Than3/22/2006TLI BEEPA 200.8 Victoria Than3/21/2006TLI COEPA 200.8 Victoria Than3/21/2006TLI MOEPA 200.8 Victoria Than3/21/2006TLI PBEPA 200.8 Victoria Than3/21/2006TLI SBEPA 200.8 Victoria Than3/21/2006TLI SEEPA 200.8 Victoria Than3/21/2006TLI TLEPA 200.8 Victoria Than3/21/2006TLI VEPA 200.8 Victoria Than3/21/2006TLI CDEPA 245.1 Victoria Than3/9/2006TLI HGEPA 300.0 Vanna Kho3/9/2006TLI FL


Gary SibbleSC-Sludge SC-SLUDGE-WDR-036 3/8/2006 10:50:00 AM EPA 160.3 Florian Zimmermann3/15/2006STL MOISTEPA 300.0 Vanna Kho3/10/2006TLI FLEPA 6010B Josephine Asuncion3/29/2006STL SE-STLCEPA 6010B Josephine Asuncion3/14/2006STL MOEPA 6010B Josephine Asuncion3/14/2006STL AGEPA 6010B Josephine Asuncion3/14/2006STL NIEPA 6010B Josephine Asuncion3/29/2006STL NI-STLCEPA 6010B Josephine Asuncion3/14/2006STL PB



TABLE 7



Sampler Name

Sample Date


Analysis Method

Lab Technician


Gary SibbleSC-Sludge SC-SLUDGE-WDR-036 3/8/2006 10:50:00 AM EPA 6010B Josephine Asuncion3/29/2006STL PB-STLCEPA 6010B Josephine Asuncion3/25/2006STL PB-TCLPEPA 6010B Josephine Asuncion3/14/2006STL SBEPA 6010B Josephine Asuncion3/14/2006STL SEEPA 6010B Josephine Asuncion3/29/2006STL CU-STLCEPA 6010B Josephine Asuncion3/25/2006STL SE-TCLPEPA 6010B Josephine Asuncion3/29/2006STL TH-STLCEPA 6010B Josephine Asuncion3/14/2006STL TLEPA 6010B Josephine Asuncion3/14/2006STL VEPA 6010B Josephine Asuncion3/29/2006STL VA-STLCEPA 6010B Josephine Asuncion3/14/2006STL ZNEPA 6010B Josephine Asuncion3/29/2006STL ZN-STLCEPA 6010B Josephine Asuncion3/29/2006STL SB-STLCEPA 6010B Josephine Asuncion3/25/2006STL BA-TCLPEPA 6010B Josephine Asuncion3/29/2006STL AG-STLCEPA 6010B Josephine Asuncion3/25/2006STL AG-TCLPEPA 6010B Josephine Asuncion3/14/2006STL ASEPA 6010B Josephine Asuncion3/29/2006STL AS-STLCEPA 6010B Josephine Asuncion3/25/2006STL AS-TCLPEPA 6010B Josephine Asuncion3/29/2006STL MO-STLCEPA 6010B Josephine Asuncion3/29/2006STL BA-STLCEPA 6010B Josephine Asuncion3/14/2006STL CUEPA 6010B Josephine Asuncion3/14/2006STL BEEPA 6010B Josephine Asuncion3/29/2006STL BE-STLCEPA 6010B Josephine Asuncion3/14/2006STL CDEPA 6010B Josephine Asuncion3/29/2006STL CD-STLCEPA 6010B Josephine Asuncion3/25/2006STL CD-TCLPEPA 6010B Josephine Asuncion3/14/2006STL COEPA 6010B Josephine Asuncion3/29/2006STL CO-STLCEPA 6010B Josephine Asuncion3/14/2006STL CRTEPA 6010B Josephine Asuncion3/29/2006STL CRT-STLCEPA 6010B Josephine Asuncion3/25/2006STL CRT-TCLPEPA 6010B Josephine Asuncion3/14/2006STL BAEPA 7471A Hao Ton3/13/2006STL HG



TABLE 7



Sampler Name

Sample Date


Analysis Method

Lab Technician


Gary SibbleSC-Sludge SC-SLUDGE-WDR-036 3/8/2006 10:50:00 AM EPA 7471A Hao Ton3/28/2006STL HG-STLCEPA 7471A Hao Ton3/28/2006STL HG-TCLPSW 7199 Yuriy Zakhrabov3/10/2006STL CR6

NOTES:

SC-701 = Sampling Location for all Reverse Osmosis Samples is tap on pipe T-701 (see attached P&ID TP-PR-10-10-08)

SC-100B = Sampling Location for all Influent Samples is tap on pipe from extraction wells into tank T-100 (see attached P&ID TP-PR-10-10-04)

SC-700B = Sampling location for all Effluent Samples is tap on pipe downstream from tank T-700 to injection well IW-2 (see attached P&ID TP-PR-10-10-04)

SC = PH = TDS = TRB = CRT = CR6 =FL = AL = B = FE = MN = ZN = SB = AS = BA = CU =

MO = NI = PB = HG = SE = TL = CO = CD = BE = AG = V = NO3N = NH3N = NO2N = SO4 =

specific conductancepHtotal dissolved solidsturbiditychromiumhexavalent chromiumfluoridealuminumboronironmanganesezincantimonyarsenicbariumcopper

molybdenumnickelleadmercuryseleniumthalliumcobaltcadmiumberylliumsilvervanadiumnitrate (as N)ammonia (as N)nitrite (as N)sulfate

TLI = Truesdail Laboratories, Inc.STL = Severn Trent Laboratories, Inc.



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FEED FROM TW FLUSHING STATION

3

3

3

PLASTIC TUBINGBY R.O. SUPPLIER

33

3

V-TW-108-023

3

3

3

3

3

3

3

3

3

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3

3"x2"V-TW-112-03

3"x2" 3

MAG

FIT-701RO CONCENTRATE

FLOWMETER

SCSAMPLING STATION D

Appendix A Laboratory Analytical Reports

ANALYTICAL REPORTANALYTICAL REPORT

PROJECT NO. 334168.IM.04.00PROJECT NO. 334168.IM.04.00

PG&E TOPOCK GWMPG&E TOPOCK GWM

Lot #: E6C090243Lot #: E6C090243

Shawn DuffyShawn Duffy

CH2M Hill IncCH2M Hill Inc

SEVERN TRENT LABORATORIES, INC.SEVERN TRENT LABORATORIES, INC.

Marisol TabiraraMarisol TabiraraProject Manager

March 30, 2006March 30, 2006

EXECUTIVE SUMMARY - Detection HighlightsEXECUTIVE SUMMARY - Detection Highlights

E6C090243E6C090243

REPORTING ANALYTICALPARAMETER_____________________________ RESULT__________ LIMIT__________ UNITS__________ METHOD_________________

SC-SLUDGE-WDR-036 03/08/06 10:50 001SC-SLUDGE-WDR-036 03/08/06 10:50 001

Chromium 130 0.10 mg/L SW846 6010BZinc 1.3 1.0 mg/L SW846 6010BMercury 1.6 0.70 mg/kg SW846 7471AArsenic 15 7.0 mg/kg SW846 6010BBarium 110 14 mg/kg SW846 6010BChromium 25000 7.0 mg/kg SW846 6010BSelenium 8.0 3.5 mg/kg SW846 6010BCopper 130 18 mg/kg SW846 6010BMolybdenum 56 28 mg/kg SW846 6010BNickel 52 28 mg/kg SW846 6010BThallium 23 7.0 mg/kg SW846 6010BVanadium 110 35 mg/kg SW846 6010BZinc 54 14 mg/kg SW846 6010BPercent Moisture 86 0.10 % MCAWW 160.3 MODHexavalent 220 14 mg/kg SW846 7199Chromium

METHODS SUMMARYMETHODS SUMMARY

E6C090243E6C090243

ANALYTICAL PREPARATIONPARAMETER__________________________________________________ METHOD_______________ METHOD_______________

Hexavalent Chromium SW846 7199 SW846 3060AInductively Coupled Plasma (ICP) Metals SW846 6010B SW846 CAM TITLEInductively Coupled Plasma (ICP) Metals SW846 6010B SW846 1311/3010Inductively Coupled Plasma (ICP) Metals SW846 6010B SW846 3050BMercury in Liquid Waste (Manual Cold-Vapor) SW846 7470A SW846 CAM TITLEMercury in Liquid Waste (Manual Cold-Vapor) SW846 7470A SW846 1311/7470Mercury in Solid Waste (Manual Cold-Vapor) SW846 7471A SW846 7471APercent Moisture MCAWW 160.3 MOD MCAWW 160.3 MOD

References:References:

MCAWW "Methods for Chemical Analysis of Water and Wastes",EPA-600/4-79-020, March 1983 and subsequent revisions.

SW846 "Test Methods for Evaluating Solid Waste, Physical/ChemicalMethods", Third Edition, November 1986 and its updates.

METHOD / ANALYST SUMMARYMETHOD / ANALYST SUMMARY

E6C090243E6C090243

ANALYTICAL ANALYSTMETHOD______________________________ ANALYST__________________________________ ID_______

MCAWW 160.3 MOD FLORIAN ZIMMERMANN 000064SW846 6010B Josephine Asuncion 021088SW846 7199 Yuriy Zakhrabov 000022SW846 7470A Hao Ton 000023SW846 7471A Hao Ton 000023

References:References:

MCAWW "Methods for Chemical Analysis of Water and Wastes",EPA-600/4-79-020, March 1983 and subsequent revisions.

SW846 "Test Methods for Evaluating Solid Waste, Physical/ChemicalMethods", Third Edition, November 1986 and its updates.

SAMPLE SUMMARYSAMPLE SUMMARY

E6C090243E6C090243

SAMPLED SAMPWO #_____ SAMPLE#_______ CLIENT SAMPLE ID________________________________________________________________ DATE________ TIME_____

H0X97 001 SC-SLUDGE-WDR-036 03/08/06 10:50

NOTE(S):NOTE(S):__________________________________________________________________________________________________________________________________________________________________________________________- The analytical results of the samples listed above are presented on the following pages.

- All calculations are performed before rounding to avoid round-off errors in calculated results.

- Results noted as "ND" were not detected at or above the stated limit.

- This report must not be reproduced, except in full, without the written approval of the laboratory.

- Results for the following parameters are never reported on a dry weight basis: color, corrosivity, density, flashpoint, ignitability, layers, odor,

paint filter test, pH, porosity pressure, reactivity, redox potential, specific gravity, spot tests, solids, solubility, temperature, viscosity, and weight.


Client Sample ID: SC-SLUDGE-WDR-036Client Sample ID: SC-SLUDGE-WDR-036

TOTAL MetalsTOTAL Metals

Lot-Sample #...:Lot-Sample #...: E6C090243-001 Matrix.......:Matrix.......: SODate Sampled...:Date Sampled...: 03/08/06 10:50 Date Received..:Date Received..: 03/09/06 11:00% Moisture.....:% Moisture.....: 86

REPORTING PREPARATION- WORKPARAMETER_______________ RESULT_____________ LIMIT_________ UNITS__________ METHOD_________________ ANALYSIS DATE______________ ORDER #________

Prep Batch #...:Prep Batch #...: 6072185ArsenicArsenic 1515 7.07.0 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971ACH0X971AC

Dilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088

Instrument ID..: M01 MS Run #.......: 6072121

Antimony ND 42 mg/kg SW846 6010B 03/13-03/14/06 H0X971ADDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


BariumBarium 110110 1414 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971AEH0X971AEDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


Cadmium ND 3.5 mg/kg SW846 6010B 03/13-03/14/06 H0X971AFDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


ChromiumChromium 2500025000 7.07.0 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971AGH0X971AGDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


Beryllium ND 3.5 mg/kg SW846 6010B 03/13-03/14/06 H0X971AHDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


Lead ND 3.5 mg/kg SW846 6010B 03/13-03/14/06 H0X971AJDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


SeleniumSelenium 8.08.0 3.53.5 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971AKH0X971AKDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


Silver ND 7.0 mg/kg SW846 6010B 03/13-03/14/06 H0X971ALDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


(Continued on next page)



TOTAL MetalsTOTAL Metals

Lot-Sample #...:Lot-Sample #...: E6C090243-001 Matrix.........:Matrix.........: SO

REPORTING PREPARATION- WORKPARAMETER_______________ RESULT_____________ LIMIT_________ UNITS__________ METHOD_________________ ANALYSIS DATE______________ ORDER #________Cobalt ND 35 mg/kg SW846 6010B 03/13-03/14/06 H0X971AM



CopperCopper 130130 1818 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971ANH0X971ANDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


MolybdenumMolybdenum 5656 2828 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971APH0X971APDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


NickelNickel 5252 2828 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971AQH0X971AQDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


ThalliumThallium 2323 7.07.0 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971ARH0X971ARDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


VanadiumVanadium 110110 3535 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971ATH0X971ATDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


ZincZinc 5454 1414 mg/kgmg/kg SW846 6010BSW846 6010B 03/13-03/14/0603/13-03/14/06 H0X971AUH0X971AUDilution Factor: 1 Analysis Time..: 13:05 Analyst ID.....: 021088


Prep Batch #...:Prep Batch #...: 6072188MercuryMercury 1.61.6 0.700.70 mg/kgmg/kg SW846 7471ASW846 7471A 03/13/0603/13/06 H0X971AVH0X971AV



NOTE(S):NOTE(S):______________________________________________________________________________________________________________________________________________________________________________________Results and reporting limits have been adjusted for dry weight.



TCLP MetalsTCLP Metals

Lot-Sample #...:Lot-Sample #...: E6C090243-001 Matrix.......:Matrix.......: SODate Sampled...:Date Sampled...: 03/08/06 10:50 Date Received..:Date Received..: 03/09/06 11:00Leach Date.....:Leach Date.....: 03/23/06 Leach Batch #..:Leach Batch #..: P608213


Prep Batch #...:Prep Batch #...: 6083541Arsenic ND 0.50 mg/L SW846 6010B 03/24-03/25/06 H0X971DQ



Barium ND 10 mg/L SW846 6010B 03/24-03/25/06 H0X971DRDilution Factor: 1 Analysis Time..: 20:13 Analyst ID.....: 021088


Cadmium ND 0.10 mg/L SW846 6010B 03/24-03/25/06 H0X971DTDilution Factor: 1 Analysis Time..: 20:13 Analyst ID.....: 021088


Chromium ND 0.50 mg/L SW846 6010B 03/24-03/25/06 H0X971DUDilution Factor: 1 Analysis Time..: 20:13 Analyst ID.....: 021088


Lead ND 0.50 mg/L SW846 6010B 03/24-03/25/06 H0X971DVDilution Factor: 1 Analysis Time..: 20:13 Analyst ID.....: 021088


Selenium ND 0.25 mg/L SW846 6010B 03/24-03/25/06 H0X971DWDilution Factor: 1 Analysis Time..: 20:13 Analyst ID.....: 021088


Silver ND 0.50 mg/L SW846 6010B 03/24-03/25/06 H0X971DXDilution Factor: 1 Analysis Time..: 20:13 Analyst ID.....: 021088


Prep Batch #...:Prep Batch #...: 6083542Mercury ND 0.0020 mg/L SW846 7470A 03/28/06 H0X971D0



NOTE(S):NOTE(S):______________________________________________________________________________________________________________________________________________________________________________________Analysis performed in accordance with USEPA Toxicity Characteristic Leaching Procedure Method 1311



STLC MetalsSTLC Metals

Lot-Sample #...:Lot-Sample #...: E6C090243-001 Matrix.......:Matrix.......: SODate Sampled...:Date Sampled...: 03/08/06 10:50 Date Received..:Date Received..: 03/09/06 11:00Leach Date.....:Leach Date.....: 03/25/06 Leach Batch #..:Leach Batch #..: P608304


Prep Batch #...:Prep Batch #...: 6086451Antimony ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971C6



Arsenic ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971C7Dilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Barium ND 10 mg/L SW846 6010B 03/27-03/29/06 H0X971C8Dilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Beryllium ND 0.10 mg/L SW846 6010B 03/27-03/29/06 H0X971C9Dilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Cadmium ND 0.10 mg/L SW846 6010B 03/27-03/29/06 H0X971DADilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


ChromiumChromium 130130 0.100.10 mg/Lmg/L SW846 6010BSW846 6010B 03/27-03/29/0603/27-03/29/06 H0X971DCH0X971DCDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Cobalt ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971DDDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Copper ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971DEDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Lead ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971DFDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


(Continued on next page)



STLC MetalsSTLC Metals

Lot-Sample #...:Lot-Sample #...: E6C090243-001 Matrix.........:Matrix.........: SO

REPORTING PREPARATION- WORKPARAMETER_______________ RESULT_____________ LIMIT_________ UNITS__________ METHOD_________________ ANALYSIS DATE______________ ORDER #________Molybdenum ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971DG



Nickel ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971DHDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Selenium ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971DJDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Silver ND 0.10 mg/L SW846 6010B 03/27-03/29/06 H0X971DKDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Thallium ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971DLDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Vanadium ND 1.0 mg/L SW846 6010B 03/27-03/29/06 H0X971DMDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


ZincZinc 1.31.3 1.01.0 mg/Lmg/L SW846 6010BSW846 6010B 03/27-03/29/0603/27-03/29/06 H0X971DNH0X971DNDilution Factor: 1 Analysis Time..: 17:35 Analyst ID.....: 021088


Prep Batch #...:Prep Batch #...: 6086454Mercury ND 0.0020 mg/L SW846 7470A 03/28/06 H0X971DP



NOTE(S):NOTE(S):______________________________________________________________________________________________________________________________________________________________________________________Soluable Threshold Limit Concentration (STLC) done in accordance with App II: Waste Extraction procedures. CCR Title 22.



General ChemistryGeneral Chemistry

Lot-Sample #...:Lot-Sample #...: E6C090243-001 Work Order #...:Work Order #...: H0X97 Matrix.........:Matrix.........: SODate Sampled...:Date Sampled...: 03/08/06 10:50 Date Received..:Date Received..: 03/09/06 11:00% Moisture.....:% Moisture.....: 86

PREPARATION- PREPPARAMETER____________________ RESULT__________ RL_______ UNITS__________ METHOD_________________ ANALYSIS DATE______________ BATCH #_______HexavalentHexavalent 220220 1414 mg/kgmg/kg SW846 7199SW846 7199 03/10/0603/10/06 60691136069113ChromiumChromium


Instrument ID..: W18 MS Run #.......: 6069061

Percent MoisturePercent Moisture 8686 0.100.10 %% MCAWW 160.3 MODMCAWW 160.3 MOD 03/14-03/15/0603/14-03/15/06 60734676073467Dilution Factor: 1 Analysis Time..: 12:35 Analyst ID.....: 0000641

Instrument ID..: W15 MS Run #.......: 6073254

NOTE(S):NOTE(S):______________________________________________________________________________________________________________________________________________________________________________________RL Reporting Limit

Results and reporting limits have been adjusted for dry weight.

PG&E Topock Compressor Station, Needles, California - Pacific … · 2013. 10. 29. · Board Order...

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