DSHW-2005-001663 - 0901a0688013a2a0

RfcCEIVED
OLID & HAZARDOUS WASTf
TREATABILITY STUDY WORK PLAN
TO EVALUATE EX-SITU REMEDIATION OF
PERCHLORATE-CONTAMINATED SOIL
ATK THIOKOL, INC.
Promontory, Utah
June 2005
Prepared by ,^_. ^si
EARTHFAX ENGINEERING, INC. ^^^V^
Engineers/Scientists W^^^i
Midvale, Utah ^*7,-^
www.earthfax.com tdrUii 3X
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
TABLE OF CONTENTS
Section Paqe
CHAPTER 1 - INTRODUCTION 1
CHAPTER 2 -TECHNOLOGY DESCRIPTION 2
CHAPTER 3 -WORK PLAN 3
3.1 TREATABILITY STUDY GOALS 3
3.2 TREATABILITY STUDY DESIGN 3
3.3 EQUIPMENT AND MATERIALS 5
3.4 SAMPUNG AND ANALYSIS 5
3.5 DATA MANAGEMENT, ANALYSIS, AND INTERPRETATION 6
3.6 HEALTH AND SAFETY 6
3.7 RESIDUALS MANAGEMENT 6
3.8 REPORTS 7
3.9 SCHEDULE 7
CHAPTER 4 - REFERENCES 8
LIST OF TABLES
Table Paqe
1. Sample Schedule and Analytical Parameters 9
2. Chemical Analytical Methods 9
LIST OF APPENDICES
A - Determination of Preliminary Remediation Goal for Perchlorate
B - Results of Prior Perchlorate Analyses
EarthFax Engineering, Inc.
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
TREATABILITY STUDY WORK PLAN
TO EVALUATE EX-SITU REMEDIATION OF
PERCHLORATE-CONTAMINATED SOIL
CHAPTER 1
INTRODUCTION
ATK Thiokol Inc. ("ATK") and its predecessors have operated a rocket propulsion
system manufacturing and testing facility since 1957 at Promontory, Utah, located
approximately 70 miles northwest of Salt Lake City, Utah. During the first 20 to 30 years of
facility operation, wastes such as spent solvents and energetics were disposed of primarily in
unlined impoundments or directly to the ground surface. These disposal practices resulted in
contamination of soil and groundwater at various locations within and adjacent to the plant
boundaries.
Extensive investigations of soil and groundwater contamination at the facility have
occurred since 1985. Interim remedial measures have been implemented since that time to
reduce the impacts of past operations on groundwater quality. Additional evaluations are
currently underway or planned to further address groundwater-quality concerns in the area.
To assist in future decisions regarding source soil remediation, ATK proposes to
conduct a treatability study to evaluate ex-situ anaerobic bioremediation of perchlorate-
contaminated soil. The purpose of this document is to present a work plan for the proposed
treatability study. Although the soil is neither a CERCLA nor a RCRA waste, this work plan is
organized in general accordance with treatability study guidelines outlined by the U.S.
Environmental Protection Agency (1993) for CERCLA sites.
EarthFax Engineering, Inc.
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
CHAPTER 2
TECHNOLOGY DESCRIPTION
Significant research has been conducted since the late 1990s on the ability of anaerobic
bacteria to degrade perchlorate (see, for example, reviews written by Xu et al. [2003] and
Coates and Achenbach [2004]). This work has resulted in the isolation of several perchlorate-
reducing bacteria, all of which are facultative anaerobes or microaerophiles. As a group, these
bacteria appear to be ubiquitous and phylogenetically diverse.
Under anaerobic conditions, perchlorate serves as an electron acceptor during the
oxidation of organic material and is reduced according to the following pathway:
perchlorate -> chlorate -> chlorite -> chloride
The rate-limiting step is the reduction of perchlorate to chlorate. Hence, the reduction of
chlorate to chlorite and eventually chloride and oxygen is relatively rapid, thereby avoiding
accumulation of chlorite as a toxic byproduct of biodegradation. Stoichiometrically, this reaction
can be written as:
CIO4" + 8H* + e- -> cr + 4H2
indicating that four moles of H2 are required to reduce one mole of perchlorate.
Anaerobic conditions can be achieved through the addition of appropriate organic
substrates to stimulate microbial growth. As these substrates are biodegraded, oxygen and
other natural electron acceptors (e.g., nitrate, manganese, iron, etc.) are depleted, thereby
promoting anaerobic degradation of contaminants. Typical substrates used to promote
anaerobic biodegradation include alcohols (e.g., ethanol and methanol), low molecular weight
fatty acids (e.g., lactate), carbohydrates (e.g., molasses, high-fructose com syrup, and cheese
whey), vegetable oils, and agricultural wastes (e.g., compost and manure).
EarthFax Engineering, Inc.
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
CHAPTER 3
WORK PLAN
3.1 TREATABILITY STUDY GOALS
The objective of this treatability study is to evaluate the efficacy of and organic substrate
on promoting anaerobic biodegradation of perchlorate in soil at the ATK Promontory facility.
The treatment goal for the study is a perchlorate concentration of 55 mg/kg, the preliminary
remediation goal based on soil ingestion by a child under a residential land-use scenario (see
Appendix A). The reference dose used for this determination was 0.0007 mg/kg-day as recently
recommended by the Committee to Assess the Health Implications of Perchlorate Ingestion
(2005).
3.2 TREATABILITY STUDY DESIGN
Most experience with perchlorate degradation has focused on remediation of
contaminated groundwater (Roote, 2001). However, recent efforts have also extended to
remediation of vadose-zone soils, either in-situ or ex-situ (Cox et al., 2004). As in groundwater,
soil remediation is achieved by providing an organic growth substrate in sufficient quantities to
promote anaerobic conditions that allow bacteria to reduce perchlorate to innocuous
byproducts.
Approximately 60 to 70 yd^ of perchlorate-impacted soil to be used in the treatability
study was previously excavated and placed on the asphalt surface adjacent to the E-501C
material storage area. Analyses of three samples of this soil indicated perchlorate
concentrations ranging from 150 to 906 mg/kg (see Appendix B).
Field treatability studies are normally conducted following the performance of laboratory
bench-scale investigations. However, given the relatively small quantity of soil that has been
excavated, ATK has chosen to focus this investigation directly on field application. This
treatability study will be conducted under the roof of the E-501C material storage area, an open-
EarthFax Engineenng, Inc.
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
sided structure with a footprint of approximately 36 feet by 50 feet. Accounting for support
beams in the interior of the structure, three biopiles can be constructed at E-501C, each
covering an area of about 15 feet by 30 feet.
Horse or cow manure will be used as the organic substrate for this study, depending on
availability at the time of the test. Typical ratios of manure addition used previously by others to
promote ex-situ anaerobic biodegradation of various contaminants in soil range from 10% to
90% ofthe final biopile volume (see Beul et al. [2003], Weeks et al. [2003], U.S. Environmental
Protection Agency [1998], Inglis [2000], and Roote [2001]). Ratios of 20%, 40%, and 60%
manure (by volume) will be used for this study. At these ratios, it is estimated that all of the
stockpiled soil will be treated in the three biopiles.
Manure will be mixed with the soil at the appropriate ratios on the adjacent asphalt
surface using a front-end loader. Water will be sprayed during mixing to neariy saturate the soil
(thereby reducing the initial oxygen content of the soil to the degree practical). The soil
comprising each biopile will be sampled during mixing, as outlined in Section 3.4, to provide an
indication of initial conditions.
Two layers of 6-mil polyethylene sheeting will be placed on the concrete floor of the E-
501C material storage area beneath each biopile. Once the soil and substrate are mixed, the
mixture will be placed on the sheeting, taking care not to drive on top of the sheeting.
Temperature probes will be placed in the piles and attached to an on-site data logger to monitor
pile conditions. Two- to four-inch diameter perforated PVC pipe will be laid along the top of
each pile, with an unperforated riser connecting into the perforated pipe and extending at least 8
feet above the top of the biopile. This piping will serve to vent gases from the piles once
anaerobic conditions are achieved. Each biopile will then be covered with 6-mil polyethylene
sheeting and the top and bottom layers of sheeting will be glued together to create an airtight
pile. A polyethylene boot will be used to seal the ventilation riser to the top cover.
EarthFax Engineering, Inc.
ATK Thiokol Inc.
Promontory, Utah
Perchlorate Soil Treatability Study Work Plan
June 30, 2005
3.3 EQUIPMENT AND MATERIALS
The primary equipment to be used in this treatability study will be a front-end loader.
Water from the Promontory potable or firewater system will be used to moisten the soil during
mixing. A data logger, with temperature probes, will be located on site to monitor pile
conditions. Other materials to be used during biopile construction include manure, polyethylene
sheeting, and PVC piping, all of which will be purchased off site. It is not anticipate that any
other significant equipment or materials will be used during the test.
3.4 SAMPLING AND ANALYSIS
Samples of the soil will be collected during initial mixing and periodically throughout the
duration of the treatability study. Table 1 lists the anticipated sampling frequency and analytical
parameters. All samples will be analyzed for perchlorate and chlorate (the contaminant of
concern and its most persistent degradation byproduct) as well as pH (an indicator, during
treatment, of the generation of organic acids from the anaerobic fermentation process).
Selected samples collected during the study will also be analyzed for nitrate and sulfate (natural
electron acceptors) as well as iron, manganese, and selenium (natural electron acceptors as
well as trace elements important for the growth of perchlorate-reducing bacteria [Xu et al.,
2003]).
Samples submitted for analyses will be composites of at least four subsamples collected
from each biopile. The initial subsamples will be collected using a stainless steel spoon at
arbitrary locations during mixing ofthe soil following addition ofthe substrate, thereby
accounting for dilution due to substrate presence. Subsamples from the constructed biopiles
will be collected using a stainless steel bucket auger from two depths at each of two locations
selected randomly within the biopiles. A slit will be made in the cover the allow entry of the
auger. After sampling, the cover will be re-sealed with duct tape or other appropriate method.
Subsamples from each biopile will be placed in a polyethylene bag or stainless steel
bowl and thoroughly mixed. A composite sample will then be collected and placed in new glass
jars. The sample will be kept on ice prior to delivery to the analytical laboratory. All sampling
EarthFax Engineering, Inc.
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
equipment will be decontaminated between piles using a Liquinox wash and a distilled-water
rinse. Decontamination water will be containerized in a bucket and disposed of at the
Promontory wastewater treatment plant. Samples will be analyzed according to the methods
indicated in Table 2 by the Thiokol Environmental Laboratory located at Promontory.
3.5 DATA MANAGEMENT, ANALYSIS, AND INTERPRETATION
All data collected during this treatability study will be maintained in both electronic and
hard-copy fomnats. All field notes will be kept in log books and will detail methods, quantities,
and site observations during biopile construction, operation, and sampling.
Perchlorate data collected from the various piles will be evaluated graphically and
statistically to determine the extent of degradation and variations between treatments. Final
decisions regarding statistical analyses will be made once the data are obtained. Other
information (i.e., temperature data, electron-acceptor concentrations, general site observations,
etc.) will be evaluated as appropriate to help draw conclusions regarding the study.
3.6 HEALTH AND SAFETY
Standard health and safety procedures appropriate for the site will be followed. As a
minimum, these will include the use of Level D personal protective measures (i.e., steel-toed
boots, hard hats, etc.) for all site personnel during biopile construction and sampling.
Furthermore, site personnel involved in this treatability study will have received training in
accordance with OSHA HAZWOPER requirements. Special care will be taken around moving
equipment to ensure personnel safety.
3.7 RESIDUALS MANAGEMENT
The soil and manure will be mixed on the asphalt surface adjacent to the soil stockpile,
thereby minimizing the spread of contamination. The biopiles will be lined and covered. The
quantity of water added to the soil during mixing will be sufficient to result in a visibly "wet"
EarthFax Engineering, Inc.
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
condition without significant free water. The covered area where the biopiles will be constructed
consists of a concrete floor surrounded by concrete berms. Hence, contaminated water (if any)
will not leave the site (either from runoff or leaching) during performance of the treatability study.
Since water will be added to the soil as it is mixed, dust will not be generated during
construction of the biopiles.
Soil removed from the piles during sampling will either be retained for off-site analyses
or will be placed back into the auger hole from which it was removed. The amount of water
required to decontaminate the sampling equipment between biopiles will be kept to a minimum
(i.e., 2 to 3 gallons per sampling event). Rinse and wash water used in decontamination will be
containerized and disposed of at the Promontory wastewater treatment plant. No other
wastewater will be generated during the treatability study.
Once the treatability study is complete, soil that meets the treatability goal will be
removed and disposed of at the Promontory M-336A sanitary landfill. Soil that does not meet
the treatability goal will be re-treated as necessary until the goal is met. When a biopile is
disassembled, all waste materials (i.e., cover, ventilation piping, and liner) will be disposed of at
the M-336A sanitary landfill.
3.8 REPORTS
A report describing the implementation and results of the treatability study will be
prepared at the end of the project.
3.9 SCHEDULE
Field work associated with the treatability study will begin as soon as possible after
approval of the work plan. It is anticipated that biopile construction will be completed within one
week. The duration of the study will be a function of the rate of degradation.
EarthFax Engineering, Inc.
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
CHAPTER 4
REFERENCES
Beul, R.R., C. Lewis, and S. Baladi. 2003. The Use of Enhanced Bioremediation at the
Savannah River Site to Remediate Pesticides and PCBs. WSRC-MS-2003-00659.
Westinghouse Savannah River Company. Aiken, SC.
Coates, J.D. and L.A. Achenbach. 2004. Microbial Perchlorate Reduction: Rocket-Fueled
Metabolism. Nature Reviews Microbiology. Vol. 2, No. 7. pp. 569-580.
Committee to Assess the Health Implications of Perchlorate Ingestion. 2005. Health
Implications of Perchlorate Ingestion. National Research Council, Board on
Environmental Studies and Toxicology. National Academy of Sciences. The National
Academies Press. Washington, D.C.
Cox, E.E., R. Borch, and S. Neville. 2004. Successful In-Situ Bioremediation of Perchlorate in
Soil and Groundwater at Multiple Sites. 2004 Annual International Conference on Soils,
Sediments, and Water. University of Massachusetts. Amherst, MA.
Inglis, J. 2000. Anaerobic Bioremediation of Soil on Tribal Lands. EPA Tech Trends. August
2000. U.S. Environmental Protection Agency. Washington, D.C.
Roote, D.S. 2001. Technology Status Report, Perchlorate Treatment Technologies, First
Edition. TS-01-01. Ground-Water Remediation Technologies Analysis Center.
Concurrent Technologies Corporation. Johnstown, PA. Available online at
http://www.gwrtac.0rg/html/tech_status.html#PERCHLORATE.
U.S. Environmental Protection Agency. 1993. Guide for Conducting Treatability Studies Under
CERCLA - Biodegradation Remedy Selection (Interim Guidance). EPA/540/R-93/519a.
Office of Solid Waste and Emergency Response. Washington, D.C.
U.S. Environmental Protection Agency. 1998. An Analysis of Composting as an Environmental
Remediation Technology. EPA530-R-98-008. Office of Solid Waste and Emergency
Response. Washington, D.C.
Weeks, K.R., S.C. Veenstra, D.L. Hill, and B.J. Gregson. 2003. A Study of Treatment Options
to Remediation Explosives and Perchlorate in Soils and Groundwater at Camp Edwards,
Massachusetts. Remediation. Spring 2003, pp. 131-143.
Xu, J., Y. Song, B. Min, L. Steinberg, and B.E. Logan. 2003. Microbial Degradation of
Perchlorate: Principles and Applications. Environmental Engineering Science. Vol. 20,
No. 5, pp. 405-422.
EarthFax Engineering, Inc.
ATK Thiokol Inc.
Promontory, Utah
Perchlorate Soil Treatability Study Wori< Plan
June 30, 2005
TABLE 1
Sample Schedule and Analytical Parameters
Analytical Parameter
Perchlorate, chlorate
Nitrate, sulfate
Iron, manganese, selenium
PH
Sampling Time'^' |
Initial
•
•
•
•
2wk
•
•
4 wk
•
•
8wk
•
•
•
•
Final
•
•
•
•
'^' Sampling beyond 8 weeks will continue at 4 - to 8-week intervals, depending on degradation
progress. All samples beyond 8 weeks will be analyzed for perchlorate, chlorate, and pH.
Selected samples may be analyzed for the remaining parameters if needed to evaluate
treatment progress.
TABLE 2
Chemical Analytical Methods
Analyte
Perchlorate
Chlorate
Nitrate
Sulfate
Iron
Manganese
Selenium
pH
Method
Number^^^
314.0 Mod.""
300.0 Mod.^"'
9056
9056
6010B
6010B
601 OB
9045C
MDU"'
(nng/kg)
0.1
0.5
0.1
0.3
2.0
0.1
3.0
0.1 unit
PQ|_(C)
(mg/kg)
0.4
2.0
1.0
1.5
10
0.5
15
0.1 unit
^^' Method number from SW-846, except as noted
^"^ Anticipated method detection limit, statistically determined and subject to change
'"^^ Anticipated practical quantitation limit, statistically determined and subject to change
^'^^ See www.epa.gov/safewater/methods/sourcalt.html
^®' See www.epa.gov/OGWDW/methods/epachem.html
EarthFax Engineering, Inc.
ATK Thiokol Inc. Perchlorate Soil Treatability Study Wori< Plan
Promontory, Utah June 30, 2005
APPENDIX A
Determination of Preliminary Remediation Goal for Perchlorate
EarthFax Engineering, Inc.
PRGs FOR INGESTION PATHWAY
Source: SOIL
Scenario: !«MREtTtMr;(ffiMt'J>iate^5?ifeabaiR^ }ii:m^m^
Site:
Goveming equations:
Cancer PRG:
Noncancer PRG:
where C =
TR =
HQ =
BW =
AT =
SFo =
RfDo =
IR =
Fl =
EF =
ED =
0 = (TR X BW X AT) / (SFo x IR x Fl x EF x ED)
C = (HQ X BW X AT X RfDo) / (IR x Fl x EF x ED)
Concentration resulting in the specified risk (mg/kg)
Target cancer risk (unitless)
Target hazard quotient (unitless)
Body weight (kg)
Averaging time (days) = 70 yr x 365 for cancer risk, ED X 365 for noncancer risk
Oral cancer slope factor (mg/kg-day)-1
Oral chronic reference dose (mg/kg-day)
Soil ingestion rate (kg/day)
Fraction ingested (unitless)
Exposure frequency (days/yr)
Exposure duration (yr)
Assumptions:
Target risk (TR) =
Target haz. quo. (HQ) =j
Body weight (BW) =
Average lifetime =
Soil ingestion rate =
Fraction ingested =
Exposure freq. (EF) =
Exposure dur. (ED) =
PRG calculation:
Noncancer PRG
(mg/kg)
5.5E+001
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
Cancer PRG
(mg/kg)
No SFo
No SFo
No SFo
No SFo
No SFo
No SFo
No SFo
No SFo
No SFo
No SFo
References:
1. RAGS Part A, EPA 1989 (EPA/540/1-89/002)
2. Supplemental Guidance for Soil Screening Levels, EPA 2002 (OSWER 9355.4-24)
3. Health Implications of Perchlorate Ingestion, NRC 2005 (Prepubiication copy)
PRGs FOR INGESTION PATHWAY
Source: SOIL
Scenario
Site:
s'S3aitrd^j?,ia-m^Km:®;®inHiiffliiH^
ii!im^mmm^mm:r.f^^---'> •-:.'•••• •
Governing equations:
Cancer PRG:
Noncancer PRG:
where C =
TR =
HQ =
BW =
AT =
SFo =
RfDo =
IR =
Fl =
EF =
ED =
C = (TR X BW X AT) / (SFo x IR x Fl x EF x ED)
C = (HQ X BW X AT x RfDo) / (IR x Fl x EF x ED)
Concentration resulting in the specified risk (mg/kg)
Target cancer risk (unitless)
Target hazard quotient (unitless)
Body weight (kg)
Averaging time (days) = 70 yr x 365 for cancer risk, ED X 365 for noncancer risk
Oral cancer slope factor (mg/kg-day)-1
Oral chronic reference dose (mg/kg-day)
Soil ingestion rate (kg/day)
Fraction ingested (unitless)
Exposure frequency (days/yr)
Exposure duration (yr)
Assumptions:
Target risk (TR) =
Target haz. quo. (HQ) =|
Body weight (BW) =
Average lifetime =
Soil ingestion rate =
Fraction ingested =
Exposure freq. (EF) =
Exposure dur. (ED) =
PRG calculation:
Contaminant
'Mfmo^^SSM^M
y>i.',.' ..•:..•..•.,• i, -. ; •
fe '•^'.- l'^:-".'.. ' . :•
^r.-n' •-..: - r.'v •• • ' -
i4.iit^:-.=-*^kii..-_^..-. i.:i.: ;-.i-l-v.
RfDo
(mg/kg-d) Ref
SFo
(mg/kg-d )-1 Ref
•^'mEfmm^[.^'^:' ^"' •"•^'
: .•
•"• "*
. •—JT— ••••;p;-:v- ..,--.... - •..
•.. .:.:......-;.-•.•.;,-•.• ..-::• . .
, . .... .:.:.'...C.l:.:...-.^.Z ..:.•' .•
..i^-^lc.-^L'^'^J!-.- ... :'.
c-_;'--iJ.'i^ i-i:£r:fc^ ^ - . . .
Noncancer PRG
(mg/kg)
5.1E+002
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
No RfDo
Cancer PRG
(mg/kg)
No SFo
No SFo
No SFo
No SFo
No SFo
No SFo
No SFo
No SFo
. No SFo
No SFo
References:
1. RAGS Part A, EPA 1989 (EPA/540/1-89/002)
2. Supplemental Guidance for Soil Screening Levels, EPA 2002 (OSWER 9355.4-24)
3. Health Implications of Perchlorate Ingestion, NRC 2005 (Prepubiication copy)
ATK Thiokol Inc. Perchlorate Soil Treatability Study Work Plan
Promontory, Utah June 30, 2005
APPENDIX B
Results of Prior Perchlorate Analyses
EarthFax Engineering, Inc.
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ENVIRONIVIENTAL LAB WORK REQUEST
T^" THIOKOL ENVIRONMENTAL LABORATORY LWR No. E12465
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SAMPLE INFORMATION
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1 IMTE RZrOIITEO JlCNATintE
CERTIFICATE OF ANALYSIS
Listing of Sample Information and Testing Requested
Wednesday, December 15, 2004
TESTED FOR: ATK Thiokol: DLV
Environnnentai Monitoring
Thiokol Corp, UT 84322
ANALYZED BY: ATK Thiokol Propulsion
Environmental Laboratory
P.O. Box 707, M/S 245
Brigham City, UT
84302-0707
435-863-3732
435-863-8080
Contact Name:
Project:
Sample Delivery Group:
Gene Curtis
Misc. Environmental Testing - DLV
0412010
Page 1 of 4
Sample Delivery Group: 0412010
Sample No. Client No.
Test Requested
0412010-01
Sample Description
Received Collect Date/Time
Matrix
12/07/04 12/7/2004 11:20:00
EPA 314.0 Perchlorate - lon Chromatography Soil
0412010-02
EPA 314.0
0412010-03
Perchlorate - lon Chromatography
12/07/04 12/7/2004 11:27:00
Soli
12/07/04 12/7/2004 11:33:00
EPA 314.0 Perchlorate - lon Chromatography Soil
Certified By: Validity unknowr iifM4^. tpt^
W. Scott Fraser. Quality Assurance Officer
12/15/2004
Date
This certifies that the following samples were analyzed using good laboratory practices to show the following results:
Page 2 of 4
Listing of Results by Sannple
Sample Delivery Group: 0412010
Cilont Sample ID:
Sample Description: ATK-DLV - Perchlorate in Soil
Laboratory Sample ID: 0412010-01
Date Sampled: 12/07/04 11:20
Test Parameter Result Units MDL
Dilution
EQL Factor Analvst Test Date
Test Method: EPA 3U.0_
PERCHLORATE
Perchlorata - lon Chromalography
150. mQ/kB 20 80 200 CWS
I
12/10/04
Client Sample ID:
Sample Description: ATK-DLV - Perchlorate in Soil
Laboratory Sample ID: 0412010-02
Dato Sampled: 12/07/04 11:27
I TestMethod:
Test Paramater
'EPA3U.d
PERCHLORATE
Result UnKs MDL
Dilution
EQL Factor Analvst Test Date
Parchlorale • Ion Chromatographty
659, mg/kg 90 360 900 CWS 12/10/04
Client Sample ID:
Sample Descriptton: ATK-DLV - Perchlorate In Soil
Laboratory Sample ID: 0412010-03
DateSampIed: 12/07/04 11:33
Test Parameter Result Units MDL
TestMethod: EPA 314.0 _ _ Perchlorate - lon Chromatoflraphy
PERCHLORATE 906. mg*o 120
Dilution
EQL Factor Analvst Test Date
t80 1200 CWS 12/10/04
Page 3 of 4