SITE REASSESSMENT, REVISION 1
ATLANTIC WATER SUPPLY SITE
CASS COUNTY, IOWA
CERCLIS ID No. IAD039954300
Superfund Technical Assessment and Response Team (START) 3
Contract No. EP-S7-06-01, Task Order No. 0258
Prepared For:
U.S. Environmental Protection Agency
Region 7
901 North 5th Street
Kansas City, Kansas 66101
February 24, 2012
Prepared By:
Tetra Tech EM Inc.
415 Oak Street
Kansas City, Missouri 64106
(816)412-1741
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^ TETRATECH
February 24, 2012
Mr. Roy Crossland
START Project Officer
U.S. Environmental Protection Agency, Region 7
901 North 5th Street
Kansas City, Kansas 66101
Subject: Site Reassessment Inspection, Revision 1
Atlantic Water Supply Site, Atlantic, Cass County, Iowa
EPA ID: IAD039954300
U.S. EPA Region 7 START 3, Contract No. EP-S7-06-01, Task Order No. 0258
Task Monitor: Ron King, EPA Site Assessment Manager
Dear Mr. Crossland:
Tetra Tech EM Inc. is submitting the enclosed revised Site Reassessment report for the above-referenced
site. The report addresses EPA comments received February 24, 2012. A Hazard Ranking System
scoring memorandum will be submitted separately. If you have any questions or comments regarding this
submittal, please contact the project manager at (816) 412-1788.
START Project Manager
Ted Faile, PG, CHMM
START Program Manager
Enclosures
Tetra Tech EM Inc.
415 Oak Street, Kansas City, MO 64106
Tel 816.412.1741 Fax 816.410.1748 www.tetratech.com
X9004.11.0258.000
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CONTENTS
Section Page
1.0 INTRODUCTION 1
2.0 SITE DESCRIPTION 2
2.1 SITE LOCATION 2
2.2 SITE DESCRIPTION 3
2.3 WASTE CHARACTERISTICS AND POTENTIAL SOURCE AREAS 3
2.3.1 Waste Characteristics 3
2.3.2 Source Area 4
2.4 REGULATORY INVOLVEMENT 5
3.0 INVESTIGATION EFFORTS 8
4.0 HAZARD RANKING SYSTEM FACTORS 13
4.1 SOURCES OF CONTAMINATION 13
4.2 GROUNDWATER PATHWAY 13
4.2.1 Hydrogeological Setting 13
4.2.2 Groundwater Targets 15
4.2.3 Groundwater Pathway Conclusions 16
4.3 SURFACE WATER PATHWAY 18
4.4 SOIL EXPOSURE AND AIR PATHWAY 18
5.0 EMERGENCY RESPONSE CONSIDERATIONS 18
6.0 SUMMARY 19
7.0 REFERENCES 21
APPENDICES
Appendix
A FIGURES
B PHOTOGRAPHIC LOG
C FIELD LOGBOOK
D FIELD SHEETS AND CHAIN-OF-CUSTODY RECORDS
E ANALYTICAL RESULTS
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CONTENTS (Continued)
TABLES
Table Page
1 MONITORING WELL LOCATIONS AND DEPTHS 7
2 MONITORING AND MUNICIPAL WELL SAMPLE SUMMARY 9
3 VOLATILE ORGANIC COMPOUNDS IN MONOITORING AND MUNICIPAL WELL
SAMPLES 12
4 CITY OF ATLANTIC PUBLIC WATER SUPPLY WELLS 15
EXHIBITS
Exhibit Page
1 CONCENTRATIONS OF TETRACHLOROETHENE IN A Mi;-7 16
2 CONCENTRATIONS OF TETRACHLOROETHENE IN A Mi;-6 17
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1.0 INTRODUCTION
Tetra Tech EM Inc. (Tetra Tech) was tasked by the U.S. Environmental Protection Agency (EPA)
Region 7 Superfund Division, under the Superfund Technical Assessment and Response Team
(START) 3 Contract Number EP-S7-06-01, Task Order Number 0258, to conduct a Site Reassessment of
the Atlantic Water Supply site in Atlantic, Cass County, Iowa (see Appendix A, Figure 1). In 1982,
tetrachloroethene (also known as tetrachloroethylene, perchloroethylene, or PCE) was first reported in
one of the water supply wells for Atlantic Municipal Utilities (AMU). The Atlantic Water Supply site
was entered into the Comprehensive Environmental Response, Compensation, and Liability Information
System (CERCLIS) in January 1986 with the Identification (ID) Number IAD039954300. A Preliminary
Assessment (PA) was completed in November 1986, a Hazard Ranking System (HRS) scoring report was
completed in April 1988, and a site inspection (SI) report was completed in July 1988. HRS scoring was
done using the original HRS to derive an overall site score of 26.14, below the 28.50 score required for
National Priorities List (NPL) consideration. The site was referred to the removal program for further
consideration. A removal assessment was completed in April 2004 and additional technical assessment to
evaluate the feasibility of implementing remedial alternatives for the groundwater contamination was
completed in January 2007. These previous investigations are described in more detail below.
This site reassessment was to document current groundwater concentrations at the source and in down
gradient municipal wells to assess threats posed to public health, welfare, or the environment; and to
determine if further investigation under the Comprehensive Environmental Response, Compensation, and
Liability Act (CERCLA)/ Superfund Amendments and Reauthorization Act (SARA) is warranted. The
scope of the Site Reassessment includes review of information available from federal, state, and local
agencies; sampling to identify releases of hazardous substances to the environment and their dispersal
pathways; and assessment of need for a removal activity.
Using these sources of existing information and sampling data, the facility is evaluated using the EPA
HRS criteria to assess the relative threat associated with actual or potential releases of hazardous
substances at the facility. The HRS has been adopted by the EPA to help set priorities for further
evaluation and eventual remedial action at hazardous waste sites. The HRS is the primary method of
determining a site's eligibility for placement on the NPL. The NPL identifies facilities at which the EPA
may conduct remedial response actions. This report summarizes the findings of these preliminary
investigative activities.
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Apparent Problem
The municipal water supply well field in Atlantic, Iowa, has been impacted by PCE at concentrations
exceeding the 5 micrograms per liter (j^ig/L) maximum contaminant level (MCL). Lesser concentrations
of breakdown products such as trichloroethene (TCE), and 1,2-dichloroethene (DCE) have been reported
sporadically (Terra Tech 2004). At the source, a former dry cleaners, approximately 40 feet of silts and
clays overlie the fine- to coarse-grained friable Dakota sandstone that supplies the City of Atlantic's
(City) municipal well field. The silt and clay soils have been contaminated with PCE at depths too deep
for physical removal or conventional remediation. The groundwater flows north-northwest from the
source area toward the municipal well field, and the plume of contamination follows the groundwater
gradient.
2.0 SITE DESCRIPTION
This section discusses location, description, available information regarding potential source areas, waste
characteristics, and previous regulatory involvement and investigations at the Atlantic Water Supply site.
2.1 SITE LOCATION
Atlantic, Iowa, is a rural community in northeastern Cass County, about 75 miles west of Des Moines,
Iowa, and 45 miles northeast of Council Bluffs, Iowa (see Appendix A, Figure 1). The apparent source of
contamination at the Atlantic Water Supply site at 1205 East 7th Street (also known as U.S. Highway 6
and State Highway 83) is a former dry cleaning facility, the Norge Dry Cleaning Village, operated at this
location during the 1960s (see Appendix A, Figure 2). The approximate coordinates of the former dry
cleaner are latitude 41.403718° north and longitude 94.995763° west. Though the exact dates of
operation are not known, the dry cleaning facility was listed in the 1962 Atlantic City Directory (Atlantic,
Iowa 1962). In 1974, the Iowa Department of Transportation (IDOT) leased the site as a materials testing
laboratory. IDOT relocated its operation in March 1986 to a site east of the city. It is suspected that the
dry cleaning operations and IDOT routinely used solvents (Ecology & Environment, Inc. [E&E] 1988).
Based on the historical aerial photographs of the site (Historical Information Gatherers [HIG] 2003), the
building that housed the former dry cleaner and IDOT laboratory was razed between 1982 and 1994. The
area is now owned by the Rolling Hills Bank and Trust. A Burger King restaurant (formerly a Hardee's
restaurant) is about 300 feet east of the former dry cleaning location. Land use surrounding the site is a
mix of commercial and residential. The City's municipal well field is between 0.50 to 1 mile north of the
former dry cleaner location (see Appendix A, Figure 3).
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2.2 SITE DESCRIPTION
The municipal water supply well field in Atlantic, Iowa, has been impacted by PCE. At the source,
approximately 40 feet of silts and clays overlie fine- to coarse-grained friable sandstone that supplies the
AMU well field.
Currently, the PCE contamination continues to migrate down into the sandstone aquifer, and travel
horizontally in this aquifer to the City's municipal well field. The well nearest to the source area
(AMU-7) was first found to contain PCE in 1982 (reported at a concentration of 170 (ig/L) (E&E 1988).
AMU-7 was disconnected from the system and is currently being pumped continually to the AMU
wastewater treatment plant to provide hydraulic control and protect nine other municipal wells from
contamination.
Currently, nine active municipal wells serve the 7,475 citizens in and around Atlantic, Iowa. Eight wells
(AMU-10 through AMU-17) are on the north side of Troublesome Creek between 0.5 and 1 mile from the
former dry cleaner site (see Appendix A, Figure 3). Wells AMU-6 and -7 are on the south side of the
creek. For the nine active wells, depths range from approximately 75 to 98 feet below ground surface
(bgs), with an average of 87 feet bgs (AMU well data). Other wells previously on the south side of the
creek (AMU Well Nos. 1 -5, 8, and 9) have been decommissioned due to their age and diminished
performance. Well AMU-6, approximately 910 feet northeast of AMU-7, is slightly contaminated with
PCE (approximately 5 |jg/L or less). The presence of contamination in this well suggests the plume is at
least 1,000 feet wide near the well field. AMU-6 is still used as a drinking water well and is pumped
approximately 15 to 20 hours per day averaging 300 to 350 gallons per minute (gpm). Water from the
nine active wells is initially blended and then treated. Prior to distribution, the water is treated primarily
with liquid chlorine, used to disinfect the water, and fluorosilicic acid (H2SiF„). for water fluoridation.
Hydrochloric acid is used for well maintenance and rehabilitation for removal of mineral scale.
2.3 WASTE CHARACTERISTICS AND POTENTIAL SOURCE AREAS
This section discusses waste characteristics and information known about potential source areas.
2.3.1 Waste Characteristics
Previous investigations in Atlantic indicate PCE and TCE are the predominant contaminants present at
concentrations exceeding health-based benchmarks.
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2.3.1.1 Tetrachloroethene
PCE is a chlorinated solvent with an ether-like odor, typically used in dry cleaning operations and as a
degreaser for metal parts (Agency for Toxic Substances and Disease Registry [ATSDR] 1997). PCE is
denser than water and tends to be at greater depths with increasing distance from the source area.
PCE was introduced as a dry cleaning solvent in 1934, and by 1948 had replaced carbon tetrachloride as
the major chlorinated dry cleaning solvent used in the United States (petroleum solvents still dominated
overall). By 1962, dry cleaning operations accounted for 90 percent of the PCE used in the United States.
At one time, PCE had been mixed with grain protectants and certain liquid grain fumigants, but this was
no longer approved by 1980 (Meister Publishing Company [Meister] 1980). PCE degrades to TCE.
2.3.1.2 Trichloroethene
TCE is a nonflammable, colorless liquid with a somewhat sweet odor and a sweet, burning taste
(ATSDR 2003). It is used mainly as a solvent to remove grease from metal parts, and is an ingredient in
adhesives, paint removers, typewriter correction fluids, and spot removers. TCE is denser than water and
is typically found at greater depths with increased time or distance from the source area. TCE is
reasonably anticipated to be a human carcinogen. Drinking small amounts of TCE for long periods may
cause liver and kidney damage, impaired immune system function, and impaired fetal development in
pregnant women (ATSDR 2003). The cis- and trans- isomers of 1,2-DCE are common degradation
products from TCE.
2.3.2 Source Area
This section summarizes information on potential sources identified from previous investigation. The
source of contamination at this site is contaminated soils identified in samples collected in 2002 at
1205 East 7th Street (see Appendix A, Figure 2). A former dry cleaning facility, the Norge Dry Cleaning
Village, operated at this location during the 1960s, and from about 1974 to 1986, IDOT leased the site as
a materials testing laboratory. It is suspected that the dry cleaning operations and IDOT routinely used
solvents (E&E 1988).
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2.4 REGULATORY INVOLVEMENT
A summary of involvement and investigations by Iowa Department of Natural Resources (IDNR) and
EPA is as follows.
During a water quality survey by the IDNR in August 1982, PCE was detected in the AMU water supply
well AMU-7 at a concentration of 170 ng/L. Subsequent IDNR sampling detected PCE in AMU- 7 at
concentrations ranging from 11 ng/L in March 1995 (IDNR 1999) to 260 ng/L in August 1984
(E&E 1988). From August 1982 to November 1987, water from AMU-7 was pumped at 80 gpm to
Buttermilk Creek, an intermittent tributary of Troublesome Creek, in an attempt to restrict migration of
the PCE contamination to other nearby drinking water supply wells (E&E 1988). In December 1987, the
discharge from AMU- 7 to Buttermilk Creek was rerouted to the 3rd Street sanitary sewer line, about
150 feet southwest of the well, for treatment at the City of Atlantic's wastewater treatment facility
(E&E 1988).
In August 1987, an EPA contractor did a soil gas survey to delineate the approximate extent of PCE
contamination. Soil-gas samples were collected from 5 to 6 feet bgs at 55 locations, beginning at the
former dry cleaning and IDOT laboratory facility, and proceeding in the direction of groundwater flow
(north-northwest) toward the AMU well field. Analytical results suggested the source area was just south
of East 7th Street, about 250 feet east of the former dry cleaning and IDOT laboratory (E&E 1988) . The
report stated that a release of PCE likely occurred at the former dry cleaning and IDOT laboratory, and
migrated through surface runoff and groundwater flow to this topographic low near the former location of
a Hardee's restaurant. According to the report, the migration of PCE from the source area may have
followed the storm sewer system along the southern side of East 7th Street (E&E 1988). In 1988, the EPA
assessed the site using the first HRS model. Two pathways were scored (groundwater and surface water)
to obtain an overall site score of 26.14. The groundwater migration pathway scored 44.90 using the old
HRS model.
In August and November 1998, IDNR conducted follow-up investigations of the PCE contamination to
better define the source. During these investigations, 34 soil gas samples and 10 soil samples were
collected for analysis. The soil samples were analyzed by IDNR for PCE by a mobile laboratory using a
headspace analysis method. The sampling focused on the area of the former dry cleaning and IDOT
laboratory, and the source area identified during the 1987 investigation by E&E. Soil gas data from the
IDNR investigations confirmed the level of PCE contamination originally detected near a former
Hardee's restaurant (currently Burger King). However, significantly higher PCE levels (greater than
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10,000 parts per million) were detected in soil gas near the former dry cleaning and IDOT laboratory.
Based on these findings, IDNR concluded that the silty clayey soil beneath the former dry cleaning and
IDOT laboratory is the predominant source of PCE contamination impacting the groundwater
(IDNR 1999). The report indicated that soils appeared to be contaminated to at least 20 feet bgs. The
report also recommended installing monitoring wells to better define the extent of PCE contamination in
groundwater near the suspected source area.
From 2002 through 2004, Tetra Tech START conducted a removal site evaluation of the Atlantic Water
Supply site. Field activities included advancement of 13 soil borings to depths ranging from 23 to 36 feet
bgs, and installation of three monitoring wells (Tetra Tech 2004). The soil borings were advanced around
the previously identified source area and sampled to aid in determining the extent of contamination (see
Appendix A, Figure 2). PCE was identified in soil from Geoprobe borings GP-1 and GP-4 and soil from
monitoring well boring MW-2. All these samples were collected in an asphalt parking lot east of the
former dry cleaning facility.
In samples from Geoprobe location GP-1, PCE was detected at 9 to 10 and 21 to 22 feet bgs at
concentrations of 23 and 37 micrograms per kilogram ((.ig/kg) respectively. In GP-4, PCE was reported at
32 (ig/kg in a sample collected 34.5 to 35 feet bgs. Soil samples collected from the boring at MW-2
contained much higher concentrations of PCE. Four samples were collected from this boring at 9, 19, 28
and 36 feet bgs. PCE was detected in all four samples with concentrations ranging from an estimated
930 to 5,200 (.ig/kg. At the boring for MW-2, concentrations increased with depth. Based on the
locations showing PCE detections, an approximately 2,100-foot square area of contaminated soil was
documented. Contamination is thickest in the vicinity of MW-2 where it was identified between 9 and
36 feet bgs. The concentration and thickness decreases in GP-1 and GP-4 to the south and southeast. The
total known volume, based on these samples is approximately 658.8 cubic yards.
In September 2002, three permanent, flush-mounted monitoring wells (MW) were installed into the
Dakota sandstone formation, from 40.5 to 50 feet bgs, to assess groundwater quality near the source area.
All wells were flush-mounted surface completion and were constructed of 2-inch inside diameter,
schedule 40 polyvinyl chloride (PVC) riser and screen. Each well had a 15-foot-long screen. Table 1 has
additional details about the installed monitoring wells.
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TABLE 1
MONITORING WELL LOCATIONS AND DEPTHS
ATLANTIC WATER SUPPLY SITE
ATLANTIC, IOWA
Monitoring
Well Locution
Well Depth
.\ppro\im;ilc
Screened ln(cr\;il
Well
l.iililiido
l.onuilndc
ill bloc)
r.lc\ iiiion
(I'l bloc)
A1W-1
41.40370°
-94.99432°
44.65
1,187
29.4-44.4
MW-2
41.40375°
-94.99576°
49.37
1,191
34.1 -49.1
MW-3
41.40496°
-94.99445°
39.12
1,177
23.7-38.7
Notes:
ftbtoc Feet below top of casing
MW Monitoring well
In soils, PCE was reported at its highest concentrations near MW-2, installed near the former dry cleaner.
At this location, PCE was found at a concentration above the regional screening level (RSL) of
2,600 ng/kg for industrial soil in samples collected from 19 to 36 feet bgs. This was the only soil boring
with PCE levels above the RSL. Of the three monitoring wells installed, MW-2 was the only one
containing PCE in groundwater at concentrations greater than 1 ng/L. PCE was reported at a maximum
concentration of 5,300 ng/L in this well in July 2003 (Tetra Tech 2004).
In 2005, the EPA Environmental Response Team (ERT) and the Response Engineering and Analytical
Contract (REAC) did a hydrogeologic investigation at the site (Lockheed Martin Technology Services
[Lockheed Martin] 2005). The purpose of the investigation was to define the nature and extent of
groundwater contamination upgradient of the municipal well field to assess the applicability of installing
a permeable reactive barrier (PRB) for groundwater treatment and protection. As part of the
investigation, six boreholes were installed about 150 feet upgradient (south) of contaminated well AMU-7
at the approximate centerline of the proposed PRB wall (see Appendix A, Figure 2). Borehole depths
ranged from 76 to 87.5 feet bgs, and were installed into the upper sandstone bedrock using sonic drilling
techniques.
Multiple groundwater samples were collected at each boring, beginning at about 20 to 25 feet bgs, and
then at 20-foot intervals as the borings were advanced. Twenty-eight groundwater samples were
collected. PCE was reported in water samples from all six borings, with the highest concentration
(446 ng/L) in the boring (B-5) farthest east (Lockheed Martin 2005). In addition to PCE, the breakdown
product TCE was detected in groundwater samples from each boring at concentrations as high as
21.3 (ig/L. The eastern extent of the plume near the well field was not delineated in that investigation,
X9004.11.0258.000
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and remains undefined. Following the investigation, preliminary cost estimates to install a PRB were
calculated. The total costs for this remedial technology were prohibitive to implement under the removal
program.
In 2004, the AMU began monthly sampling of AMU-6, AMU-7, and the finished water from the water
treatment plant. Samples were collected by the AMU and analyzed at the University of Iowa State
Hygienic Laboratory for volatile organic compounds (VOC) by EPA method 524.2. In AMU-6, which
currently produces water for the municipal well system, PCE and 1,2-dichloroethane (1,2-DCA) have
been reported. PCE was identified in the well 73 percent of the time with concentrations reported below
the 0.5 (ig/L quantitation limit to 2.6 (ig/L. The Superfund Chemical Data Matrix (SCDM) cancer risk
screening concentration for PCE is 1.6 (ig/L (EPA 2004). This concentration was exceeded eight times
since June 2004. 1,2-DCA was identified 6 times, each time at concentrations below 1 (.ig/L. Since
January 2004, PCE has not been detected in the samples from the finished water. PCE and TCE have
been reported in AMU-7, which pumps to the waste water treatment plant. PCE was measured at a
maximum concentration of 260 (ig/L in August 1984 and appears to be gradually decreasing in
concentration. In July 2011, the concentration was 76 (ig/L. In AMU-7, TCE has never been reported at
a concentration above 1.7 (ig/L.
3.0 INVESTIGATION EFFORTS
Section 3.0 discusses the current site reassessment field sampling and associated quality assurance
(QA)/quality control (QC) activities. The general objective of the site reassessment was to evaluate
current condition of groundwater at the source and at the city well field.
A site reconnaissance was conducted in October 2011 to assess the presence and condition of installed
monitoring wells and to discuss the project with AMU Director of Water Operations Jon Martens.
START team members did groundwater sampling at AMU wells and
previously installed monitoring wells on December 12 through 14, 2011. The City of Atlantic provided
verbal access permission to sample city wells. These activities were conducted under a site-specific
Quality Assurance Project Plan (QAPP) for SI activities developed by Tetra Tech START, submitted to
the EPA on October 25, 2011, and approved November 9, 2011 (Tetra Tech 2011).
Photographs documenting site activities are in Appendix B. Sampling-related activities were recorded in
a site logbook, (see Appendix C). Samples collected under ASR 5613 were hand-delivered by START to
the EPA Region 7 laboratory in Kansas City, Kansas, on December 15, 2011. The field sheets and chain-
of-custody records are in Appendix D. Standard turnaround times were requested for all samples.
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To ensure the credibility of sample collection, preparation and shipment, and analytical data, QA/QC
sampling for the project was done according to protocols approved by the EPA Region 7 for work at
hazardous waste sites, in accordance with the site-specific QAPP submitted to the EPA Region 7 in
October 2011. The QAPP was followed during field sampling with two exceptions. A rinsate blank was
not collected from sampling equipment because START used disposable bailers to purge and sample
wells, therefore eliminating the need to conduct equipment decontamination between samples. The
QAPP specified that a field duplicate sample be collected from AMU-6, but the field duplicate was
collected from AMU-7 instead. Tetra Tech START received the analytical results for ASR 5613 in
January 2012, with data validation completed by the EPA Region 7 laboratory.
For interpreting all analytical results, and as a guideline for determining significant matrix contaminant
levels, sample results were compared to applicable health-based benchmarks in the SCDM (EPA 2004)
and the EPA Regional Screening Levels (RSL) (EPA 2011). Analytical data for ASR 5613 are in
Appendix E.
The groundwater migration pathway evaluation included sampling drinking water at nine active
municipal wells (AMU-6 and AMU-10 through AMU-17), one former municipal well currently used to
contain the plume (AMU-7), and three permanent monitoring wells (MW-1, MW-2, and MW-3).
Samples were submitted to the EPA Region 7 Laboratory for analysis. Municipal well samples were
submitted for analysis for drinking water level VOCs by the EPA Region 7 SOP 3230.09. Water samples
from monitoring wells were submitted for analysis for low-level VOCs in an aqueous matrix by the EPA
Region 7 SOP 3230.13. Groundwater sample locations are shown on Figure 3 in Appendix A.
A summary of the samples collected in Table 2.
TABLE 2
MONITORING AND MUNICIPAL WELL SAMPLE SUMMARY
ATLANTIC WATER SUPPLY SITE
ATLANTIC, IOWA
Well
Well l.ociilion
Siimple
Siimple
I'.I'A Siimple
Nil in her
l.iililiide
l-on^iiiide
Diile
lime
Itlen lil'iciil i
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TABLE 2 (Continued)
MONITORING AND MUNICIPAL WELL SAMPLE SUMMARY
ATLANTIC WATER SUPPLY SITE
ATLANTIC, IOWA
Well
Well l.oe:ilioii
Siimple
Siimple
I'.I'A Siimple
Nil in her
l.iililiide
l.on^iliide
Diile
lime
Itlen lil'iciil i«ui
AMU-12
41.41273°
-94.99156°
12-13-11
1209
5613-7
AMU-13
41.415333°
-94.99300°
12-13-11
1051
5613-3
AMU-14
41.41706°
-94.99096°
12-13-11
1242
5613-9
AMU-15
41.41487°
-94.98976°
12-13-11
1226
5613-8
AMU-16
41.41625°
-94.99625°
12-13-11
1024
5613-2
AMU-17
41.41366°
-94.99455°
12-13-11
1144
5613-6
Field Blank
NA
NA
12-13-11
1256
5613-12FB
Trip Blank
NA
NA
12-07-11
0643
5613-11FB
Field Blank
NA
NA
12-14-11
1330
5613-107FB
Trip Blank
NA
NA
12-07-11
0646
5613-105FB
Notes:
AMU Atlantic Municipal Utilities
EPA U.S. Environmental Protection Agency
FB Field blank
FD Field duplicate
MW Monitoring well
NA Not applicable
Municipal wells were sampled for the Atlantic Water Supply site reassessment. At each sampled well,
the well pump was activated, and water pumped for about 5 minutes before a sample was collected from a
spigot in the pump house. Periodic reading of pH, temperature, and conductivity were taken and recorded
on the field sheets during the purge to ensure stabilization. After parameters had stabilized, samples were
collected. Municipal well samples were collected into three 40-mL vials and preserved with hydrochloric
acid (HC1) for analysis for drinking water level VOCs. All samples were stored in coolers maintained at
or below 4°C pending submittal to the EPA Region 7 laboratory.
Groundwater samples were collected from monitoring wells MW-1, MW-2, and MW-3. The flush-
mounted metal protective vault for MW-2 was damaged (cracked in half below the surface), rendering it
ineffective in keeping surface materials from collecting within. All of the wells had locking J-plug well
caps. Wells were hand-bailed, using disposable PVC bailers, until three well casing volumes were
removed and the field parameters (temperature, pH, and specific conductivity) had stabilized. Samples
were collected into four 40-mL vials, preserved with HC1, and submitted for VOC analysis at low
detection limits by the EPA Region 7 laboratory. Purge water at wells MW-1 and MW-3 was dumped on
the pavement and allowed to evaporate. Purge water from MW-2 was containerized and disposed of at
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the Atlantic waste water treatment facility. Monitoring well purging information is on the sample field
sheets in Appendix D.
Analytical Data Summary
Table 3 has a summary of the VOCs detected in samples from the three monitoring wells, nine active
water supply wells, and the one former municipal well that is pumped to waste. All samples submitted to
the EPA Region 7 Laboratory are included on this table; however, only contaminants reported in one or
more samples are included in the table. The complete data package is in Appendix E.
No contaminants were detected in the trip or field blanks that accompanied samples to the laboratory.
PCE and its degradation products TCE or cis-1,2-DCE were detected in groundwater samples from
monitoring wells near the source of contamination and in municipal wells downgradient of the source. Of
the three monitoring wells sampled, contaminants were only detected in monitoring well MW-2. PCE
was detected at a concentration of 2,500 (ig/L (2,400 (ig/L in the duplicate). In the samples from MW-2,
cis- 1,2-DCE was detected at a concentration of 3.7 (ig/L (3.8 (ig/L in the duplicate).
At AMU-7, currently pumping to waste, PCE was detected at a concentration of 87 (ig/L (87 (ig/L in the
duplicate). TCE was reported in the samples from AMU-7 at a concentration of 1.3 (ig/L (1.3 (ig/L in the
duplicate). Of the other active municipal wells sampled, the only one to contain any contaminants was
AMU-6, with PCE reported at 3.6 (ig/L. AMU-6 is approximately 950 feet northeast of AMU-7. No
VOCs were reported in any other active municipal well sampled.
The presence of low concentrations of TCE and cis- 1,2-DCE in the PCE plume may be evidence of
reductive dechlorination through microbial degradation.
PCE was reported at concentrations above the 1.6 |ig/L CR benchmark screening concentration from
SCDM in samples from on-site monitoring well MW-2, the former municipal well AMU-7, and the active
municipal well AMU-6. The MCL for PCE was exceeded in MW-2 and AMU-7. TCE concentrations
detected in AMU-7 also exceeded the 0.21 (ig/L CR benchmark screening level.
X9004.11.0258.000
11
-------
TABLE 3
VOLATILE ORGANIC COMPOUNDS IN MONOITORING AND MUNICIPAL WELL
SAMPLES
ATLANTIC WATER SUPPLY SITE
ATLANTIC, IOWA
Well
1 (lout il'ic;i 1 icin
I'.PA Sample
Idcnliricalion Number
Contaminant (all i
Tclrachloroclhenc
(I'd.)
'csulls arc in micro
Trichloroclhcnc
(TCI!)
grams per liter ||ig/l.|)
tv\- l.2-l)ichloroclhcnc
u7.s-l.2-IH" I-'.)
Monitoring Wells
MW-i
5ol3-l0l
1.0 LJ
1.0 LJ
1.0 LJ
MW-2
5613-103
2.500
1.0U
3.7
MW-2 (Dup.)
5613-103FD
2.400
1.0U
3.8
MW-3
5613-102
1.0 w
1.0U
1.0 U
Miinicipsil Wells
VMU-6
5613-10
3.(i
0.50 U
0.50 U
AMU-7
5613-1
1.3
0.50 U
AMU-7 (Dup.)
5613-1FD
1.3
0.50 U
AMU-10
5613-5
0.50 U
0.50 U
0.50 U
AMU-11
5613-4
0.50 U
0.50 U
0.50 U
AMU-12
5613-7
0.50 U
0.50 U
0.50 U
AMU-13
5613-3
0.50 U
0.50 U
0.50 U
AMU-14
5613-9
0.50 U
0.50 U
0.50 U
AMU-15
5613-8
0.50 U
0.50 U
0.50 U
AMU-16
5613-2
0.50 U
0.50 U
0.50 U
AMU-17
5613-6
0.50 U
0.50 U
0.50 U
Qu;ili(\ Assiii'iinee / Qualils Conii'ol Samples
Field Blank
5613-12FB
0.50 U
0.50 U
0.50 U
Trip Blank
5613-11FB
0.50 U
0.50 U
0.50 U
Field Blank
5613-107FB
1.0U
1.0U
1.0 U
Trip Blank
5613-105FB
1.0U
1.0U
1.0 U
Benchmarks
Maximum Contaminant Level
5
5
70
SCDM Reference Dose Screening
Concentration
360
11
360
SCDM Cancer Risk Screening
Concentration
1.6
0.21
NE
Notes:
Bold value indicates a concentration that exceeds a benchmark value.
Shaded value indicates a concentration that exceeds the EPA MCL.
AMU
Atlantic Municipal Utilities
MW
Monitoring well
Dup.
Duplicate
NE
Not established
EPA
U.S. Environmental Protection Agency
SCDM
Superfund Chemical Data Matrix (EPA 2004)
FB
Field blank
U
The analyte was not detected at or above the reporting limit
FD
Field duplicate
X9004.11.0258.000
12
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4.0
HAZARD RANKING SYSTEM FACTORS
This section discusses the sources of contamination and the various contaminant migration pathways
evaluated under the HRS.
4.1 SOURCES OF CONTAMINATION
Groundwater samples were collected during the site reassessment to assess current conditions of VOC
contamination identified during previous investigations. Soil samples were not collected because past
sampling in 2002 adequately defined a source of contamination. The source of contamination at this site
is contaminated soils as identified by soil gas in 1988, and confirmed by soil samples in 2002. PCE was
identified in soil samples from Geoprobe borings GP-1 and GP-4 and monitoring well boring MW-2, in a
parking lot east of the former dry cleaning/IDOT facility at 1205 East 7th Street.
PCE was detected at 9 to 10 and 21 to 22 feet bgs in GP-1 at concentrations of 23 and 37 (.ig/kg.
respectively. PCE was reported at 32 j^ig/kg in a sample collected 34.5 to 35 feet bgs at GP-4. PCE
concentrations later detected in soil samples from the boring at MW-2 were much higher. Four samples
were collected from this boring at 9, 19, 28 and 36 feet bgs, with concentrations increasing with depth
from an estimated 930 to 5,200 j^ig/kg. Based on the locations showing PCE detections, an approximately
2,100-square foot area of contaminated soil is documented. The contaminated soil zone is thickest near
MW-2, PCE was identified between 9 and 36 feet bgs. The PCE concentrations and thickness decrease in
GP-1 and GP-4 to the south and southeast. The total known volume, based on these samples, is
approximately 658.8 cubic yards. The actual amount of contaminated soil may be greater as the area was
not fully delineated to the north due to a road.
4.2 GROUNDWATER PATHWAY
Section 4.2 discusses the hydrogeologic setting, groundwater targets, and conclusions drawn from
analytical results of groundwater samples. During the site reassessment, START collected groundwater
samples from three monitoring wells, nine active municipal wells, and one former municipal well that
now pumps continuously to contain the groundwater plume.
4.2.1 Hydrogeological Setting
Sources of groundwater in the area of Cass County include alluvial valley aquifers, glacial-drift aquifers,
and the Dakota Formation (U.S. Geological Survey [USGS] 1992). The alluvial aquifers are primarily
made up of deposits along existing river valleys. The nearest alluvial valley to Atlantic is the east fork of
X9004.11.0258.000
13
-------
the Nishnabotna River and its tributary, Troublesome Creek. The aquifer underlying the valley is
relatively shallow, at an average depth of 21 feet, and is composed of fine-grained alluvial deposits. The
thickness ranges from approximately 2 to 43 feet. Groundwater can also be obtained from shallow
glacial-drift aquifers consisting of glacial and loess deposits over bedrock. In the Atlantic area, these
deposits range in thickness from 18 to 260 feet. Although the water table is usually shallow, production
rates in the glacial-drift aquifers are often limited due to low soil permeability. Neither the alluvial nor
the glacial drift aquifers are used for groundwater production in the Atlantic area.
The City of Atlantic draws its water solely from the Nishnabotna Member of the Dakota Formation. The
Dakota is a fine- to coarse-grained sandstone, very poorly cemented (friable), part pebbly to
conglomeratic, and locally interbedded with seams of clay (IDNR 1996). Secondary lithologies include
chert-quartz gravel, conglomerate, and gray to variegated mudstone with some siderite pellets. At the
former drycleaner, the Dakota formation is about 35 feet below grade. The formation is approximately
40 to 60 feet thick in the Atlantic wellhead protection area, providing abundant pore space for
groundwater storage. In the wellhead protection area, the Dakota is upwardly confined by clay-rich
glacial till.
The aquifer is recharged by downward percolation through Pleistocene deposits and by lateral
groundwater inflow from southwest Minnesota. Regional groundwater flow is from north to south, and
natural discharge from the aquifer occurs into the lower reaches of major rivers in the region. Locally,
groundwater flows from south to north (the direction of PCE migration) from a combination of
topography and groundwater pumping from the municipal well field.
Average hydraulic characteristics of the Dakota Formation in the wellhead protection area are
(USGS 1992):
• Transmissivity = 1,750 to 3,075 square feet per day
• Hydraulic conductivity = 35 to 60 feet per day
• Hydraulic gradient = 0.003 foot per foot.
Below the Dakota is an aquiclude of impermeable, calcareous, gray-blue-red shales, with interbedded
limestones, belonging to the Missourian Series of Pennsylvanian age. These shales are encountered at
85 to 90 feet bgs and are approximately 725 feet thick in the Atlantic area.
X9004.11.0258.000
14
-------
4.2.2 Groundwater Targets
The 2010 census population for the city of Atlantic is 7,112. Cass County has an average of 2.18 persons
per household (U.S. Census Bureau 2012). The entire city well field is within one mile of the
contaminated soil associated with the former dry cleaner; two of the wells are within 0.5 mile. According
to a December 2009 inspection of the Atlantic Municipal Utilities by the State of Iowa, the system has
3,336 service connections, including 87 outside the city limits, serving a total population of 7,475.
Eight municipal wells (AMU-10 through AMU-17) are on the north side of Troublesome Creek between
0.5 and 1 mile from the former dry cleaner site (see Appendix A, Figure 3). AMU-6 and AMU-7 are on
the south side of the creek. Additional details about the wells are in Table 4. Other wells previously on
the south side of the creek (AMU Wells 1-5, 8, and 9) have since been decommissioned due to their age
and diminished performance. Well AMU- 6, approximately 910 feet northeast of AMU-7, is also slightly
contaminated with PCE (approximately 5 ng/L or less). The well is still used as a drinking water well
and is pumped approximately 15 to 20 hours per day at averaging 300 to 350 gpm. Sampling in
December 2011 verified the historical results. The sample from this well contained PCE at 3.6 |a,g/L
which is below the MCL of 5 |Jg/L, but above cancer risk screening concentrations.
TABLE 4
CITY OF ATLANTIC PUBLIC WATER SUPPLY WELLS
ATLANTIC WATER SUPPLY SITE
ATLANTIC, IOWA
Well
Nil in her
Well Ueeorcl
Nil in her
Sliilus
Year
( oiisiriieled
Sereened
lentil h
(feel)
Coiislriielion
Depth
(feel hiis)
Slalie W aler
l.e\el
(feel hiis)
AMI -o
Jolou
Acli\ e
I9<><>
M)
SU
:s
AMU-7
1785
Pumped to waste
1942
25
82.8
unknown
AMU-10
36163
Active
1967
25
82.5
77
AMU-11
36164
Active
1973
30
86.3
78
AMU-12
36165
Active
1977
30
85.5
76
AMU-13
36167
Active
1991
30
98
42
AMU-14
36168
Active
1991
30
120
52
AMU-15
36169
Active
1991
30
92.5
28
AMU-16
36170
Active
1991
30
93.7
96
AMU-17
56000
Active
2002
30
75
95
Notes
AMU Atlantic Municipal Utilities
bgs Below ground surface
X9004.11.0258.000
15
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4.2.3 Groundwater Pathway Conclusions
PCE and its degradation products TCE and c7.v-l,2-DCE were detected in groundwater samples collected
at and downgradient of the former drycleaners site, hi December 2011, PCE was detected at a maximum
concentration of 2,500 |ag/L in the sample from MW-2 at the apparent source. Previous sampling of this
well in July 2003 showed PCE at 5,300 |_ig/L. Low levels (3.8 |ag/L) of 67.Y-1.2-DCE were also reported
in MW-2; however, TCE was not reported.
PCE and TCE were detected at 87 (_ig/L and 1.3 (_ig/L in AMU-7, which is currently pumped to waste to
contain the plume. PCE was first detected in AMU-7 in August 1982 at a concentration of 170 (.ig/L.
Concentrations have been as high as 260 (.ig/L in August 1984, but have been gradually decreasing over
time as shown in Exhibit 1.
EXHIBIT 1
CONCENTRATIONS OF TETRACHLOROETHENE IN AMU-7
ATLANTIC WATER SUPPLY SITE
ATLANTIC, IOWA
PCE in AMU-7
300
3 50
¦PCE
- Trend
OaoOCCOOOOOOCNOOOOOCTkO
H a ? i n a ? ^ H
-------
EXHIBIT 2
CONCENTRATIONS OF TETRACHLOROETHENE IN AMU-6
ATLANTIC WATER SUPPLY SITE
ATLANTIC, IOWA
PCE in AMU-6
4
~ 3.5
"SB a
c 2.5
o
as *-
S 1.5
o
U 0.5
LOLOLOLOU3U3U3U3
OOOOOOOO
Q.
<
>
o
00 00 00 CD CD CD O
o o o o o o I
I I I
C m
3 0J ^
—» 00 ^
O O
PCE
-Trend
i- — u
Q. 3 (D
< Q
An objective of the reassessment was to determine the effectiveness of AMU-7 in containing the plume
and to identify the need for repairs to the well. As illustrated in Exhibit 2, the entire plume is not
contained by the pumping of AMU-7. Since 2004, samples collected from AMU-6 have exhibited low
concentrations of PCE with concentrations trending upward since 2010. As shown in Figure 3 in
Appendix A, AMU-6 is about 950 feet northeast of AMU-7 indicating that at least a portion of the plume
is not being captured by the pumping well.
In 2005, the REAC contractor indicated that AMU-7 was in need of repair (Lockheed Martin 2005). It
was reported that that the well appeared to be pulling in sand from either the filter pack or the surrounding
formation. It was reported that the joint between the screen and casing has probably corroded. The well
screen is positioned from approximately 46 to 83 feet bgs. Based on well data provided by AMU, the
specific capacity of AMU-7 has declined from approximately 337.5 gpm in 1942 (when the well was first
installed) to approximately 75 gpm in 2005. This suggests a problem with the well screen (i.e., clogging
or degradation). Although acid is used to treat the well on a regular basis, this has not restored the well to
its original condition (Lockheed Martin 2005). In 2011, the Director of Water Operations for the AMU
had the 4-inch turbine pump in AMU-7 pulled and replaced with a 2-inch submersible pump that pumps
95 to 100 gpm on a continuous basis.
X9004.11.0258.000 17
-------
4.3 SURFACE WATER PATHWAY
The contaminated soil source for PCE is the former drycleaners, about 0.5 mile south of Troublesome
Creek, the closest perennial stream. The normal annual precipitation in Cass County is 35.05 inches, and
the average snowfall is about 25.3inches (USDA 2011). Any surface water at the site would likely flow
to storm sewers or flow overland as sheetflow to the north and eventually enter Troublesome Creek.
Because the contaminated soil source at the former drycleaners is covered by a concrete parking lot and is
at depth, migration of contaminants through the surface water pathway is unlikely. This pathway was
evaluated in 1988 because AMU-7 was at one time discharging to Buttermilk Creek, a tributary to
Troublesome Creek. All discharge from AMU-7 is now directed to the wastewater treatment plant.
4.4 SOIL EXPOSURE AND AIR PATHWAY
The site is in the downtown area, which is largely covered with buildings and paved surfaces. No
residences, day cares, or schools are in the immediate area. The contaminated soil at the former dry
cleaners is covered by a cement parking lot. Direct exposure to the contaminated soil is unlikely unless
the concrete is removed. The release potential to ambient air is low. There is the potential for vapor
intrusion to indoor air between the source and AMU-7. A review of aerial photographs indicates that
mobile homes are the primary residential building type in the contaminant flow path. The potential for
vapor intrusion to these types of residences would be low as they do not rest on the ground surface. There
are also slab-on-grade commercial structures closer to the source that may be susceptible to vapor
intrusion. The closest residences to the former drycleaners were about 150 to 200 feet south-southwest
(upgradient).
Ambient air samples were not collected during the site reassessment or any other stage of the
investigation. Air samples could be collected in the future to evaluate the potential for vapor intrusion
into nearby buildings.
5.0 EMERGENCY RESPONSE CONSIDERATIONS
The National Contingency Plan [40 Code of Federal Regulations 300.415(b)(2)] authorizes the EPA to
consider emergency response actions at those sites posing an imminent threat to human health or the
environment. Finished water samples are analyzed monthly by the AMU and have not detected PCE.
Based on data, a referral to the EPA Region 7 for emergency response activities such as a time critical
response action does not appear necessary.
X9004.11.0258.000
18
-------
PCE from a known source area continues to migrate to the municipal well field. One city well was taken
off-line due to contamination. This well has been pumped to waste for more than 25 years. A second
active municipal well is contaminated with PCE at concentrations below MCL but above health based
benchmarks. A removal evaluation was completed in 2005 where several potential ex-situ and in-situ
treatment technologies were discussed to reduce contaminant concentrations at the source.
6.0 SUMMARY
The municipal water supply well field in Atlantic, Iowa, has been impacted by PCE (Terra Tech 2004).
At the source, a former dry cleaners or an IDOT laboratory, approximately 40 feet of silt and clay overlies
fine- to coarse-grained friable sandstone from which the well field withdraws the City's potable water.
Currently, the PCE contamination continues to migrate down into the sandstone aquifer, and travel
horizontally in this aquifer to the City's municipal well field. The well nearest to the source area
(AMU-7) was first found to contain PCE in 1982 (reported at a concentration of 170 (ig/L) (E&E 1988).
AMU-7 was disconnected from the system and is currently being pumped continually to the AMU
wastewater treatment plant to provide hydraulic control and protect nine other municipal wells from
contamination. The well is showing signs of deterioration. Recent low level occurrence of PCE in
AMU-6 (currently pumping to the system) indicates that the PCE plume is not fully contained by well
AMU-7, and further deterioration of the well may acerbate the problem. Currently, nine active municipal
serve the 7,475 citizens in and around Atlantic, Iowa. Eight municipal wells (AMU-10 through -17) are
on the north side of Troublesome Creek between 0.5 and 1 mile from the former dry cleaner site.
In December 2011, START collected groundwater samples from three monitoring wells near the source.
Groundwater samples were also collected from nine active municipal wells and a former municipal well
(AMU-7) that is now pumped to waste to contain the plume. PCE (2,500 (ig/L) and cis-1,2-DCE
(3.8 (ig/L) were identified in samples collected from MW-2 at the former cleaners at 1205 East 7th Street.
In AMU-7, PCE and TCE were reported at 87 and 1.3 (ig/L, respectively. Concentrations have decreased
with time in both the monitoring well and at AMU-7 but remain well above health-based benchmarks.
X9004.11.0258.000
19
-------
START collected samples from all active municipal wells in the system. The only well to contain any
site related contaminants is AMU-6 where PCE was reported at 3.6 j^ig/L. AMU-6 is approximately
950 feet northeast of AMU-7. PCE was reported at concentrations above the 1.6 |ig/L CR benchmark
screening concentration from SCDM in samples from on-site monitoring well MW-2, the former
municipal well AMU-7, and the active municipal well AMU-6. The MCL for PCE was exceeded in MW-
2 and AMU-7. TCE concentrations detected in AMU-7 also exceeded the 0.21 (ig/L CR benchmark
screening level.
X9004.11.0258.000
20
-------
7.0 REFERENCES
Agency for Toxic Substances and Disease Registry (ATSDR). 1997. Toxicological Profile for
Tetrachloroethene. Accessed June 16, 2009. On-line address:
http://www.atsdr.cdc.gov/tfacts 18 .html
ATSDR. 2003. Toxicological Profile for Trichloroethylene. July.
Atlantic, Iowa. 1962. City Directory for Atlantic, Iowa. Pages 59 and 145.
Ecology & Environment, Inc. (E&E). 1988. Final Report of Site Investigation at the Atlantic Public
Water Supply Site, Atlantic, Iowa. April 22.
Historical Information Gatherers, Inc. (HIG). 2003. Historical Aerial Photographs of Atlantic Water
Supply Site, 1205 East 7th Street, Atlantic, Iowa. (1950, 1955, 1960, 1966, 1974, 1982, 1994).
Iowa Department of Natural Resources (IDNR). 1996. Mid-Cretaceous Fluvial Deposits of the Eastern
Margin, Western Interior Basin: Nishnabotna Member, Dakota Formation. Geological Survey
Bureau, Guidebook Series No. 17. May.
IDNR. 1999. Follow-Up Investigations of PCE Contamination in Groundwater, Atlantic, Iowa, August
& November 1998. February.
Lockheed Martin Technology Services (Lockheed Martin). 2005. Hydrogeologic Investigation.
Atlantic, Iowa Groundwater PCE Site, Atlantic, Iowa. Work Assignment 0-136; Technical
Memorandum. November 3.
Meister Publishing Company. 1980. Farm Chemicals Handbook. Willoughby, Ohio.
Tetra Tech EM, Inc. (Tetra Tech). 2004. Removal Site Evaluation Report, Atlantic Groundwater Site,
Atlantic, Iowa. CERCLIS ID No. IAD039954300, Contract No. 68-S7-01-41, Task Order
No. 0116. Superfund Technical Assessment and Response Team. Prepared for U.S.
Environmental Protection Agency, Region 7. April 30.
Tetra Tech. 2011. Quality Assurance Project Plan for the Atlantic Water Supply Site, Atlantic, Iowa.
October 25.
U.S. Census Bureau. 2012. Quickfacts for Cass County, Iowa. On-line address.
http://ciuickfacts.ccnsus.gov/cifd/states/19/19029.html. December 23, 2011.
U.S. Geological Survey (USGS). 1992. Availability and Water Quality of Water from the Alluvial,
Glacial-Drift, and Dakota Aquifers and Water Use in Southwest Iowa. USGS Water Resources
Investigation Report 91-4156.
U.S. Environmental Protection Agency (EPA). 2004. Superfund Chemical Data Matrix (SCDM) Table.
Washington, D.C. January. Revised December 2011.
X9004.11.0258.000
21
-------
APPENDIX A
FIGURES
-------
•'•OfeMl.Plt
~j RadwToWg
I (KJAN)
;
Dnvt-m
JhMter
ATLANTIC-.
7t" ~"1-—
"n—_
4. "'n *' ,t4 *i
f Site Location
w^TT*! \ f
HoipJtil
HiitbSeis
^lUv^i.n^Cun
y 3tin
n Pgfg u nd ¦ '
Nijhnj Hill
Golf Clut .
4 W«(er„8M .
1 ?t&i
|FlF*wn
irdeflj
it
uBS
rr
Cass County
N
A
0 1,000 2,000
TETRATECH EM INC.
USGS Atlantic, Iowa 7.5 Minute Topo Quad, 1991
USGS Wiota, Iowa 7.5 Minute Topo Quad, 1971
Date: 10/18/2011 Drawn By: Bill Spiking Project No: X9004.L. 11.0258.000
Figure 1
Site Location Map
Atlantic Water Supply Site
Atlantic, Iowa
-------
Legend
Public water supply well location
2005 Sampling Event
® Borehole location
2002 Sampling Event
© Geoprobe® location
^ Monitoring well location
Major road
Street
Approximate location
of former dry cleaner/
I DOT laboratory
I | City boundary
N
A
105 210
Feet
Source: Bing Maps Aerial Imagery Web Mapping Service, 2011;
HSIP Gold, 2007;
Snyder and Associates, 4/4/99;
U.S. EPA Environmental Response Team,
Response Engineering and Analytical Contract,
Figure 1, Atlantic Iowa Groundwater PCE, 2005.
Atlantic Water Supply Site
Atlantic, Iowa
Figure 2
Previous Sampling Locations Map
"It TETRA TECH EM INC.
Date: 02/24/2012
Drawn By: Nick Wiederholt
Project No: X9004.L.11.0258.000
-------
Legend
Sample Locations
Public water supply well location
Monitoring well location
Major road
Street
Approximate location
of former dry cleaner/
iDGT laboratory
i 1 City boundary
N
A
275 550
Feet
Source: Bing Maps Aerial Imagery Web Mapping Service, 2011
Atlantic Water Supply Site
Atlantic, Iowa
Figure 3
Sample Location Map
"It TETRA TECH EM INC.
Date: 02/24/2012
Drawn By: Bill Spiking
Project No: X9004.L.11.0258.000
-------
APPENDIX B
PHOTOGRAPHIC LOG
-------
Atlantic Water Supply Site
Atlantic, Iowa
" — I
t
/'
I •
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: West
DESCRIPTION
Monitoring well MW-2.
i
CLIENT
U. S. Environmental Protection Agency Region 7
Date
10/10/11
PHOTOGRAPHER
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: down
DESCRIPTION
Monitoring well MW-2. Notice how the protective steel
casing has been broken and the well filled with sand and
gravel.
2
CLIENT
U. S, Environmental Protection Agency Region 7
Date
10/10/11
PHOTOGRAPHER
1
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: Down
DESCRIPTION
Monitoring well MW-1. Note that the well was covered in
asphalt and could not be opened during the site
reconnaissance.
3
CLIENT
U. S. Environmental Protection Agency Region 7
Date
10/10/11
PHOTOGRAPHER
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: Down
DESCRIPTION
Monitoring well MW-3. Well is in good condition.
4
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
2
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: North
DESCRIPTION
Atlantic Municipal Utilities Building
5
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: Northeast
DESCRIPTION
Atlantic Municipal Well AMTJ-7.
6
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
3
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: N/A
DESCRIPTION
Atlantic Municipal Well AMU-7.
7
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: West
DESCRIPHON
Atlantic Municipal Well House AMU-7.
8
CLIENT
U. S. Environmental Protection Agency Region 7
Date
PHOTOGRAPHER
4
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: East
DESCRIPTION
Atlantic Municipal Well House AMU-10.
9
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
TETRA TECH
PROJECT NO.
Direction: East
DESCRIPTION
Atlantic Municipal Well AMU-10.
10
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
5
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: East
DESCRIPTION
Atlantic Municipal Well House AMU-11.
ii
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: East
DESCRIPTION
Atlantic Municipal Well AMU-11.
12
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
6
-------
Atlantic Water Supply Site
Atlantic, Iowa
I I I RA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: South
DESCRIPTION
Atlantic Municipal Well House AMU-12.
13
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
I I I RA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction:
DESCRIPTION
Atlantic Municipal Well AMTJ-12.
14
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
7
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: West
DESCRIPTION
Atlantic Municipal Well House AMU-13.
15
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction:
DESCRIPTION
Atlantic Municipal Well AMU-13.
16
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
8
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: South
DESCRIPTION
Atlantic Municipal Well House AMU-14.
17
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: South
DESCRIPTION
Atlantic Municipal Well AMU-14.
18
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
9
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: East
DESCRIPTION
Atlantic Municipal Well House AMU-15.
19
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: East
DESCRIPTION
Atlantic Municipal Well AMU-15.
20
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
10
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: East
DESCRIPTION
Atlantic Municipal Well House AMU-16.
21
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: East
DESCRIPTION
Atlantic Municipal Well AMU-16.
22
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
11
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: South
DESCRIPTION
Atlantic Municipal Well Manhole AMU-17.
23
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: N/A
DESCRIPTION
Atlantic Municipal Well AMU-17.
24
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
12
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: South
DESCRIPTION
Monitoring Well location MW-1.
25
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/12/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: N/A
DESCRIPTION
Monitoring Well MW-1.
6
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/12/11
PHOTOGRAPHER
13
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: East
DESCRIPTION
Monitoring Well location MW-2.
27
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/14/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: N/A
DESCRIPTION
Monitoring Well MW-2.
28
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/14/11
PHOTOGRAPHER
14
-------
Atlantic Water Supply Site
Atlantic, Iowa
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: West
DESCRIPTION
Monitoring Well location MW-3.
29
CLIENT
U. S. Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
MM
TETRA TECH
PROJECT NO.
X9004.L. 11.0258.000
Direction: West
DESCRIPTION
Monitoring Well MW-3.
30
CLIENT
U. S, Environmental Protection Agency Region 7
Date
12/13/11
PHOTOGRAPHER
15
-------
APPENDIX C
FIELD LOGBOOK
-------
"Outdoor writing products...
...for outdoor writing people."
0
RECYCLABLE
"Rite In the Rain" - A unique All-Weather Writing
paper created to shed water and enhance the
written image, tt is widely used throughout the world
for recording critical field data in ail kinds of weather.
Available in a variety of standard and custom printed
case-bound field books, loose leaf, spiral and stapled
notebooks, multi-copy sets and copier paper.
For best results, use a pencil or an all-weather pen.
a product of
J. L DARUNG CORPORATION
Tacoma.WA 98424-1017 USA
www.RiteintheRain.com
Item No, 311
NSN: 7530-01-433-5654
ISBN: 978-1-932149-29-6
©
Made in the USA
US PAT NO: 6,863,940
ALL-WEATHER
LEVEL
No. 311
&W?oqi{ t//0259
-------
INCH
ALL-WEATHER WRITING PAPER
Name
Address.
Phone
Project. Vjuiet Sw.
€PA IA
A4\«*>Aic lA
°\00<4lh PI5ft
Clear Vinyl Protective Slipcovers (Item No. 30) are available for this style of notebook.
Helps protect your notebook from wear & tear. Contact your dealer or the J. L Darling Corporation.
CONTENTS
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>\OH*TO«WHt WftU* S$" CAVSJ-a. IT IS UOCATftO
IN TH* NOa.T««ft*4 of TWC UMtTfcO
NverrvtoPiST church OFFsce lcst.
a>t*Tner vH^a '•
u.rtAP.i.6'5 £0wpa.os 0*caT} a*«3 - a-MH
{L® U«-lNfc> H\wW ^ Tf*M.ST
i3o^ East ^ sTuarr
ATLAWTtC., SoftilS-
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p-rwj-. sf.ne' t©t*«- wt* vivas*
V6lU^Mt • X.Z.1H 6M. f lO *
lajlHfa««I Atuaht^c. > tft
l^.S
13.3^
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13.13
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VAlffflML j _
-------
APPENDIX D
FIELD SHEETS AND CHAIN-OF-CUSTODY RECORDS
-------
CHAIN OF CUSTODY RECORD
ENVIRONMENTAL PROTECTION AGENCY REGION VII
CONTENTS OF SHIPMENT
NAME OF SURVEY OR ACTIVITY
/?VAtAs"/-/c, -LjOfs/,,
* / \J
DATE OF COLLECTION
DAY MONTH YEAR
SHEET I
/
Of
/
SAMPLE
NUMBER
TYPE OF CONTAINERS
CUB1TAINER
BOTTLE
BOTTLE
yM Sef-
y -BOTTLE y'xJ
NUMBERS OF CONTAINERS PER SAMPLE NUMBER
VOA SET
(Zg/IALS EA)
SAMPLED MEDIA
other
RECEIVING LABORATORY
REMARKS/OTHER INFORMATION
(condition ol samples upon receipt,
other sample numbers, etc.)
- I
y
(
x
y
1
*
x
3
s**2 S/J &
7
X
P
X.
><:
to
U-F£
X
Z-f\&
*
/o!
^ / \/(*J jsi Sj-tJjj)
JO2-
X
/mStQ
IPS
1
¦/ol -Fb
k
-/Of-ft
X
/£> 7 ~f%,
DESCRIPTION OF SHIPMENT
MODE OF SHIPMENT
. PIECE(S) CONSISTING OF.
. BOX(ES)
Z- ICE CHEST(S): OTHER .
COMMERCIAL CARRIER:.
COURIER
X SAMPLER CONVEYED
(SHIPPING DOCUMENT NUMBER)
PERSONNEL CUSTODY RECORD
FiEUJJQUI5HEDBY(SAMPLE R)
SEALED UNSEALED f
DATE
TIME
RECEIVED BY
£3 SEALED UNSEALED P
REASON FOR CHANGE OF CUSTODY
RELINQUISHED BY
—I SEALED UNSEALED I-
DATE
TIME
RECEIVED BY
""1 SEALED UNSEALED T
REASON FOR CHANGE OF CUSTODY
RELINQUISHED BY
I SEALED UNSEALEDf-
DATE
TIME
RECEIVED BY
|SEALED UNSEALED
REASON FOR CHANGE OF CUSTODY
7-EPA-9262(Revised 5/85)
•U.S. GPO: 2002-756-917/40053
-------
Sample
Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 1
QC Code: Matrix: Water Tag ID: 5613-1-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
y\ to Vs)
Location Desc: DW VOA sample
External Sample Number:
Expected Cone: (or Circle One: Low Medium High) Date
Latitude: Sample Collection: Start:
Time(24 hr)
*> H I
Longitude:
End:
Laboratory Analyses:
Container Preservative Holding Time Analysis
OmL VOA vial
4 Deg C, HCLto pH<2
14 Days 1 VOCs In Drinking Water by GC/MS
Sample Comments: ^me>,eikC tfp A/VM - =f.
(N/A) N aT* J pi C.L.O Oufki tATE.
~t«
s
36
12.. |3
6.11
<5131
IZ.dl
S11
0*3 8
ii.
5.11
S"! Z.
o<\m
iz.o^.
6.o 1
S43
' e,w\
vJaHM NV.P* fc-TSsM S
"DI aecrro a of?
ATLAMTtc. UT\MT165
IS Vis), 3^> ST. BOX, 5 i=h
/yTUAt>vn o-) ts: A rf>2.z.
2.M3 - V5 ^ 5
Sample Collected By:
l-START
1 of 1
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: QC Code: Matrix: Water Tag ID: 5613
'D
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: DW VOA sample
External Sample Number: ^ I
(or Circle One: Low Medium High) Date
Expected Cone:
Latitude: Ml. \
Longitude:
Sample Collection: Start: >g/ <*5/ i\
End: / /
Time(24 hr)
: H»
Laboratory Analyses:
Container Preservative Holding Time
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days
Analysis
1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A)
fti: rtfp •kkksa* -
Mare »
Tf**® 'baJPucA're.
Of tA toV«J ^ I .
« **<» ^&TA.\C.S '
C->0>*S S>iaOCvnJ* tV
o ^
Sf-.&Sf
bOI
l».3U
12- 1 3
fe.ll
s^fo-
IZ.ae?
S«M
II. "I S
s.
"2>V3""
Sample Collected ByJ
fSTART
1 Of 1
-------
Sample
Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 2
QC Code:
Matrix: Water Tag ID: 5613-2-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
M
Location Desc: DW VOA sample
External Sample Number:
Expected Cone: • (or Circle One: Low Medium High) Date
Latitude: Sample Collection: Start: t* /o/n
foW
Time(24 hr)
to ¦ 2-H
Longitude: *
End:
Laboratory Analyses:
Container Preservative Holding Time
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 ; i 14 Days
Analysis
1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A)
to EHSrr«.il,€> :
TiM&
?4A
ift iH
1® .Hfe'C
fc.13
16 l*»
16
b.tt
lOao
II. OO
b.So
ift s,*t
fe.Mte
Ci A f*A. VA - 1(0
CeMtu&t initV
Z»dS SjcMH
zflS
2/TH
i-
C.O
Sample Collected By:
^ ©?<&KA"V\6^S
A TLA *TVC> N\vLM\ ox TV S.S
jg vsj. "sr. box
ArTuA^TAC- j 3C-A S
¦-START
1 of 1
-------
Sample
tr'
Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 3
QC Code:
Matrix: Water Tag ID: 5613-3-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: DW VOA sample
External Sample Number:
Expected Cone: (or Circle One; Low Medium High) Date
Latitude: H»-H»SS33 Sample Collection: Start:
to W f>3
Time(24 hr)
l© 5 I
Longitude: -oqh-i*»3oo
End:
Laboratory Analyses:
Container Preservative Holding Time
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days
Analysis
1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A)
jAmMi&ipAu *44- • 13
Vi4«vr"ee. ^
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 4
QC Code: Matrix: Water Tag ID: 5613-4-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
M C» vsJ
Location Desc: DW VOA sample
External Sample Number:
Expected Cone: (or Circle One: Low Medium High) Date
Latitude: MI.MM^3' Sample Collection: Start:
Longitude: "
End:
Time(24 hr)
ii
Laboratory Analyses:
Container Preservative Holding Time Analysis
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days 1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A)
Vs)*iTCA. ©V» !»,«-. ITV
Pt4.fjL.to IM 6> '
M UrNiifi'iP tie vvS^ WV
5<*»
¦At /W-VA. - I |
IM S
l&SI
lie l
1101*
Cd>N»TA<
\ Bw.?
to.
-
-
b.HO
6.Ml
S?0
Sample Collected Byj
! R,^0"VO R, ©•? vd-PSCfefc. £M»e&*"VVOh& S
M P W.Tvw T\E-5"
\S visi. s-r. -box
^12,- 2.HS- 13^5
I-START
1 of 1
-------
Sample
Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 5
QC Code:
Matrix: Water Tag ID: 5613-5 __
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
&W
4
Location Desc: DW VOA sample.
External Sample Number:
Expected Cone: (or Circle One: Low Medium High)
Latitude: hi. h iQfte
End:
Date
Sample Collection: Start: iz /»3/H
Time(24 hr)
II
Longitude: "QIH .qqsife
Laboratory Analyses:
Container Preservative Holding Time Analysis
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days 1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A)
Mkmi&iPai, afc AanvA. - io
¦MM)
I
Ml »
III I#
H&I
\ BNp
II .So "C
l|.«*
M.ea
b. bO
b. fal
b.t> I
303
S^3
Sample Collected By:
JSKvA. 0\ UCCvv-*TV®-
vs v4. ^
= A S
-------
Sample
Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 6 QC Code: Matrix: Water Tag ID: 5613-6-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: DW VOA sample
External Sample Number: W ^
Expected Cone: (or Circle One: Low Medium High) Date Time(24 hr)
Latitude: Mt.HISample Collection: Start: '*»/ *s»/ " n
Longitude: • End: / / :
Laboratory Analyses:
^©''"Container Pre
'jg-40mL VOA vial 4 Deg C, HCL to pH<2 14 Days 1 VOCs in Drinking Water by GC/MS
jo**Container Preservative Holding Time Analysis
n y
\ '-S'
Sample Comments: vg*. uu <3p A/wv*- *=»-
(N/A) K®T6> Tfc>^ VauOl* <5.VAr4 CAaP-TS^
—" " D \f3.&crvoR- ^ o1? *^S
is «sr. BOX Si=fc
Sample Collected By: ^^B_START S-M3 ""
1 of 1
-------
Sample
Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 7 QC Code: Matrix: Water Tag ID: 5613-7-.
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: DW VOA sample
External Sample Number: w ^
Expected Cone: (or Circle One: Low Medium High) Date Time(24 hr)
Latitude: Hi- ' Sample Collection: Start: »a. /o/ M 12.: ©5
Longitude: -fr'H. End: / / :
Laboratory Analyses:
Container Preservative Holding Time Analysis
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days 1 VOCs in Drinking Water by GC/MS
Sample Comments: W Wfiu, - iz.
(N/A)
T6S.
w ! '
T>eTA.iwS •
"Tw* C \ CM.f $>
US4! .6.4©e S sf® p-sS/e**.
11 OZ. |l.0 I
b.si sat
li il. *S 6.51 3®Z-
—— — "D IK6CX6R. C>*= S
<-j\ Ne- vArrv«-^TNe.«S
(S \m. sr. ^d-x, Si^
Arr tA*A-T\e-, ac.ft 500^.2-
Sample Collected By: ^^J-START -j. ls^ 2X"3 " 139 S
1 of 1
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 8
QC Code: _ Matrix: Water Tag ID: 5613-8-_
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Super-fund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
M
6>W g
Location Desc: DW VOA sample
External Sample Number:
Expected Cone: (or Circle One: Low Medium High) Date
Latitude: Ml. HHft?' Sample Collection: Start: »«>/ >3/ I
Longitude: lb' ' End: __/ /_
time(24 hr)
2(s>
Laboratory Analyses:
Container Preservative Holding Time
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days
Analysis
1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A)
yOrrref*- GJuftutV ^
p(A.R.6lM^ D6TA 1L.S •
fA w-rJi c, i pAs u rfSp AM IA.- I S
1 1 (*\ &
r««p
pH
C OvtOM&T
iz&o
1D.&S-C
fc.Hfa
Zjfo [A C.**
l"ZZ»f
il.ao
¦ iZG S
iZZfc.
M. OI
&.SI
208
v
Sample Collected By:
"O ie.e&-ro^ oT
\0 vXr*\»-\"C\ E-S
l"5 vsi. ^ Si®?"
^TUAU-T\<=-. ^
l-START 2.43 "" 13^ S
1 Of 1
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number? 9
QC Code: Matrix: Water Tag ID: 5613-9-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
. City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
cj> ^
Location Desc; DW VOA sample
External Sample Number: M
Expected Cone: (or Circle One: Low Medium High) Date
Latitude: Sample Collection: Start: •z/iS/_H
Longitude: End: / /
Time(24 hr)
I Z.; HZ,
Laboratory Analyses:
Container Preservative Holding Time Analysis
3 - 40mL VOA via!
4 Deg C, HCLto pH<2
vn
14 Days 1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A)
MUNIClfAlU W&LL. AMW«- lH
VA^*-r©R. zj>
Pvtft* «»»«>» «s> BTA•
"TImb,
1
f N
CohoviotwitT
»2.3S
lo.fl'g *o
fo.Sd
1230
H.03
I2.H2.
fc.38
C.ow*\fsC?T
"D or 0
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 10 QC Code: Matrix: Water Tag ID: 5613-10-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: DW VOA sample
External Sample Number: /^\&> W 3-.$
Expected Cone: (or Circle One: Low Medium High) Date Time(24 hr)
Latitude: Hl-lloOfeV Sample Collection: Start: IA-13-
Longitude: -o'
End:
Laboratory Analyses:
Container Preservative Holding Time
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days
Analysis
1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A)
rtKHiCI v4Cbt. 3^ A/AVA - ta> .
¦p«AP.6.rMt» :
"I i)A& TsMf frt
I2H 5 6.4.2.
I2.M3 • ••*~© to.S I
12, Si !i. H1?- 3^8
31 I fA&Jc-V*
H »e
Cos^c,T ;
l«5 vs). ST. Sl=?-
\"3°l S
Sample Collected By: I
[-START
1 of 1
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
//
ASR Number; 5613 Sample Number: ^ PC Code: FR Matrix: Water Tag ID: 5613^t^J£>
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Super-fund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: DW VOA spsrtfie™*
External Sample Number; /v^ C>W — "VB
Expected Cone: (or Circle One: Low Medium High) Date Time(24 hr)
, ,a'^" "'A—. J
Latitude: Sample Collection: Start: ob—-
Longitude: ' n,i|j ' End:
Laboratory Analyses:
Container Preservative Holding Time Analysis
3 - 40mL VOA vial 4 Deg C, HGL to pH<2 14 Days 1 VOCs in Drinking Water by GC/MS
Sample Comments:
(N/A) j-aoT*: Tclv* SvaWK
Sample Collected By: ^^^-START
1 of 1
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
/z it
ASR Number: 5613 Sample Number: %€n QC Code: FB Matrix: Water Tag ID: 5613-i^-FB
X s, _
Project ID: RKA72Q00 ... Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
. : . ;
Location Desc: DW VOAJ/ip Blank sample
External Sample Number: fc W-f &
Expected Cone: (or Circle One: Low Medium High) Date Time(24 hr)
Latitude: "•*!A Sample Collection: Start: H »
Longitude: **1A End: / / :
Laboratory Analyses:
Container Preservative Holding Time Analysis
3 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days 1 VOCs in Drinking Water by GC/MS
££^
Sample Comments: ~
(N/A)
Sample Collected By: START
1 of 1
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: -U-KT QC Code:
Matrix: Water Tag ID: 5613-1Qjf!_
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: LDL VOA sample
External Sample Number:
Expected Cone: (or Circle One: Low Medium High)
Latitude:
Longitude: -Qeiti.ei*m32> UV End
6W
f-
I
Date
Sample Collection: Start:
Time(24 hr)
IS
Laboratory Analyses:
Container Preservative Holding Time Analysis
4 Deg C, HCL to pH<2 14 Days 1 VOCs in Water by GC/MS for Low Detection Limits
AAet* » '
40mL VOA vial
Sample Comments: v\e>* ft-
AI-L- *^>*3 |A«r»*TS tw© T<3M i® i«-» thS n®. c.o&*4%R. af tw
" * uoT.
f,Os "DtPTH TO WftTCfi. » 31.So' TOTAU » HI.STfe'
s ».i» *»*.- >*j*s wshft-H
we
tOi
^ «.M 6| "t^ BTAeV (^S
"M©
6e»wbdi4S
Fuka.&®o
TTsnsS
i>.S
IZ.3I
fc.fel
S33
zi. 5
I2..C3
fc.tSf
rso
K34>
2?.»
' 6m
Tb»3 -161
I
Sample Collected By:
HtfT®.
-START
• • Pvmsjv*j v3d>°i b. "^TH -ST. ArTuJH»4Tvo,
—- * =H2.- ZHS-I «*£«-(
5ficj>
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 102 QC Code: Matrix: Water Tag ID: 5613-102-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
6W
Location Desc: LDL VOA sample
External Sample Number:
Expected Cone: (or Circle One': Low Medium High) Date
Latitude: HI • *>' Sample Collection: Start: *a./ i3/t
£
Time(24 hr)
»S Mo
Longitude: qiMHS'
End:
Laboratory Analyses:
^ Container Preservative
J(- 40mL VOA vial
4 Deg C, HCL to pH<2
Holding Time Analysis
14 Days 1 VOCs in Water by GC/MS for Low Detection Limits
Sample Comments:
(N/A)
?iO B hiO
OfcPTH "Ko vSMree.: 2.3.4^'
Mi fcuc bww » b'
AbU 'AAA'STAWi* W6M THE. T«P Of wew. e**iK&.
l>^oT6 "¦ *»oc-^vt\o pi> i S in Ws} c.oA.?4SiBs
of Trte ssuf o rsu.1^
f CU. . TRiVauvlM^ 69li«cTbo/a A
/v/\ d»a Ipp" mW-3
6 AUldtiS
-rejAf
f H
£.dMO\A.CTW itV
fA.fc* ! D
»3So
H»o
a.s 6 aw
s
\3.foSC
13.t>1
b.bf> ,Jc;
b.ds!e:
s p. $1 c. m
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Sample Collected By:
l-START
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C.oviTPs err '• O iM (^6 I V\ I— 1 of 1
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=H2,~ 2-H3-San
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 103 QC Code: Matrix: Water Tag ID: 5613-103-ff^
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: LDL VOA sample
External Sample Number: 6> W Zp 3
pw
Expected Cone: (or Circle One: Low Medium High) Date Time(24 hr)
Latitude: Ml. H633-S' Sample Collection: Start: [Z -.Sfl
Longitude: End: / / :
Laboratory Analyses:
S/
' Container Preservative Holding Time Analysis
¦- 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days 1 VOCs in Water by GC/MS for Low Detection Limits
H '
Sample Comments:
(N/A) Note. *¦ LOCATioM tS tA rrtfi »L.p4 rtAtf
THfr IA.HITBO /A op«sT e.rtvA (tCtt UO"T.
ftec© W»UcATfe Co^CT60.lA U3 MOT
: e.t-6A«. \A$. I
"Tims- y-gfagr-8 "To*? c«ho.*«.tw itV "T^cfe, tD «o
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112.^
?.s
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d.3®
12.06
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13.11*
6,lt»
izat*
n.«
13.3*
&zd
|ZMH
z.Zo'S
13-13
fc. 13
t»H 1
ixSI
Zf.o
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t>36
Sample Collected By§^|
H-START
^ 5^6«
S&13-IQ3 6W d3
c.©»4\*sirr \^5o- so hV\uu/£ ^ v^mst
— lSO=^ "ST". 2-2-
¦=H2-- "2>13 "
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
3 p/»
54.13 —r©S"
ASR Number: 5613 Sample Number: 10^ QC Code: Matrix: Water Tag ID: 5fyL3-
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Q
Location Desc: LDL VOA sample
External Sample Number:
Expected Cone: (or Circle One: Low Medium High)
Latitude: m.Hoa^S '
Longitude: Encj
3 - ^ D
Date
Sample Collection: Start: »a./ «*y n
Time(24 hr)
IZ :S-J
Laboratory Analyses:
Container Preservative Holding Time Analysis
4 - 40mL VOA vial 4 Deg C, HCL to pH<2 14 Days 1 VOCs in Water by GC/MS for Low Detection Limits
Sample Comments:
(N/A) hJdTi
Av*. or voevu .
voca*© ««•» tv«®. »aoffcjc-W&a-M
Of me M-eTWOfctsST OHW.g.cK UflT.
THIS \% Oa?UOsTfr oe £>v4 ^3 .
/\A0t4iT6 C» -4V rA VM 2*
- MS s. ® 4®.** '
Vof«A.me & e.-erw wote •• sicca--* 4 HZMM
2.S.S
if. 13
IZS°»
1.5.d
I3.Z&
Sample Collected By:
C,o*j\ kcst
fe-.Uf
b-13
fr.U
l-START
dertOucA \WTt \ 1^
ffsa^s/
feso
foZ0
£-3©
•S.WI
S"fol3-|63*fT>
c. \4 So •" iiouuMb BKN>d.^ "T^-VVST"
& 1** "sT"' lofl
=7-12,- 2-M3 - 2-Z.Mt-J
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 105 QC Code: f~B> Matrix: Water Tag ID: 5613-10^^5
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc: LDL VOA s^pffple t«.*? SAiAf
External Sample Number:
-------
Sample Collection Field Sheet
US EPA Region 7
Kansas City, KS
ASR Number: 5613 Sample Number: 107 QC Code: FB Matrix: Water Tag ID: 5613-107-FB
Project ID: RKA72Q00 Project Manager: Ron King
Project Desc: Atlantic Water Supply - Site Reassessment sampling
City: Atlantic State: Iowa
Program: Superfund
Site Name: ATLANTIC WATER SUPPLY - SITE Site ID: A72Q Site OU: 00
EVALUATION/DISPOSITION
Location Desc:
LDL VOATpfS Blank sample
External Sample Number:
6W - f B
Expected Cone:
(or Circle One: Low Medium High)
Date
Time(24 hr)
Latitude:
h|A Sample Collection: Start:
Ifc/H/ 11
|3;3C
Longitude:
Ha End:
-J-J-
—:—
Laboratory Analyses:
Container Preservative Holding Time Analysis
4 - 40mL VOA vial 4 Deg C, HCL to pH<2 ^ 14 Days 1 VOCs in Water by GC/MS for Low Detection Limits
Sample Comments: ~
(N/A) !>»
-------
APPENDIX E
ANALYTICAL RESULTS
-------
United States Environmental Protection Agency
Region 7
901 N. 5th Street
Kansas City, KS 66101
Date: 01/10/2012
Subject: Transmittal of Sample Analysis Results for ASR #: 5613
Project ID: RKA72Q00
Project Description: Atlantic Water Supply - Site Reassessment sampling
From: Michael F. Davis, Chief
Chemical Analysis and Response Branch, Environmental Services Division
To: Ron King
SUPR/ERNB
Enclosed are the analytical data for the above-referenced Analytical Services Request (ASR) and
Project. The Regional Laboratory has reviewed and verified the results in accordance with procedures
described in our Quality Manual (QM). In addition to all of the analytical results, this transmittal
contains pertinent information that may have influenced the reported results and documents any
deviations from the established requirements of the QM.
Please contact us within 14 days of receipt of this package if you determine there is a need for any
changes. Please complete the enclosed Customer Satisfaction Survey and Data Disposition/Sample
Release memo for this ASR as soon as possible. The process of disposing of the samples for this ASR
will be initiated 30 days from the date of this transmittal unless an alternate release date is specified
on the Data Disposition/Sample Release memo.
If you have any questions or concerns relating to this data package, contact our customer service line
at 913-551-5295.
Enclosures
cc: Analytical Data File.
Page 1 of 17
-------
ASR Number: 5613
Summary of Project Information
01/10/2012
Project Manager: Ron King Org: SUPR/ERNB
Project ID: RKA72Q00
Project Desc: Atlantic Water Supply - Site Reassessment sampling
Location: Atlantic
Site Name: ATLANTIC WATER SUPPLY -
EVALUATION/DISPOSITION
Purpose: Site Characterization
State: Iowa
SITE
Phone: 913-551-7568
Program: Superfund
Site ID: A72Q Site OU: 00
GPRA PRC: 303DD2
Explanation of Codes, Units and Qualifiers used on this report
Sample QC Codes: QC Codes identify the type of Units: Specific units in which results are
sample for quality control purpose. reported.
= Field Sample SU = Standard Units (pH)
FB = Field Blank Deg C = Degrees Celsius
FD = Field Duplicate ug/L = Micrograms per Liter
umhos/cm = Micromhos per Centimeter
Data Qualifiers: Specific codes used in conjunction with data values to provide additional information
on the quality of reported results, or used to explain the absence of a specific value.
(Blank)= Values have been reviewed and found acceptable for use.
U = The analyte was not detected at or above the reporting limit.
UJ = The analyte was not detected at or above the reporting limit. The reporting
limit is an estimate.
Page 2 of 17
-------
ASR Number: 5613 Sample Information Summary 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
mple QC
External
Start
Start
End
End Receipt
i Code
Matrix
Location Description
Sample No
Date
Time
Date
Time Date
1 -
Water
MGW-01 (AMU-7)
12/13/2011
09:41
12/15/2011
1 - FD
Water
MGW-01 (AMU-7)/Field Duplicate
12/13/2011
09:41
12/15/2011
of sample 1
2 - _
Water
MGW-02 (AMU-16)
12/13/2011
10:24
12/15/2011
3 - _
Water
MGW-03 (AMU-13)
12/13/2011
10:51
12/15/2011
4 -
Water
MGW-04 (AMU-11)
12/13/2011
11:06
12/15/2011
5 - _
Water
MGW-05 (AMU-10)
12/13/2011
11:21
12/15/2011
6 - _
Water
MGW-06 (AMU-17)
12/13/2011
11:44
12/15/2011
7 -
Water
MGW-07 (AMU-12)
12/13/2011
12:09
12/15/2011
8 - _
Water
MGW-08 (AMU-15)
12/13/2011
12:26
12/15/2011
9 - _
Water
MGW-09 (AMU-14)
12/13/2011
12:42
12/15/2011
10 - _
Water
MGW-10 (AMU-6)
12/13/2011
12:52
12/15/2011
11 - FB
Water
MGW-DW VOA Trip Blank sample
12/07/2011
06:43
12/15/2011
12 - FB
Water
DW VOA Field Blank sample
12/13/2011
12:56
12/15/2011
101 - _
Water
GW-01 (MW-1)
12/12/2011
15:45
12/15/2011
102 - _
Water
GW-02 (MW-3)
12/13/2011
15:40
12/15/2011
103 - _
Water
GW-03 (MW-2)
12/14/2011
12:59
12/15/2011
103 - FD
Water
GW-03 (MW-2)/Field Duplicate of
12/14/2011
12:59
12/15/2011
sample 103
105 - FB
Water
LDL VOA Trip Blank sample
12/07/2011
06:46
12/15/2011
107 - FB
Water
LDL VOA Field Blank sample
12/14/2011
13:30
12/15/2011
Page 3 of 17
-------
ASR Number: 5613 RLAB Approved Analysis Comments 01/10/2012
Project ID: RKA72Q00 Project Desc Atlantic Water Supply - Site Reassessment sampling
Analysis Comments About Results For This Analysis
1 Conductivity by Field Measurement
Lab: (Field Measurement)
Method: Measurement of field parameter
Samples: 1- 1-FD 2- 3- 4- 5- 6-
7- 8- 9- 10-_ 101- 102- 103-
103-FD
Comments:
(N/A)
1 pH of Water by Field Measurement
Lab: (Field Measurement)
Method: Measurement of field parameter
Samples: 1- 1-FD 2- 3- 4- 5- 6-
7- 8- 9- 10-_ 101- 102- 103-
103-FD
Comments:
(N/A)
1 Temperature of Water by Field Measurement
Lab: (Field Measurement)
Method: Measurement of field parameter
Samples: 1- 1-FD 2- 3- 4- 5- 6-
7- 8- 9- 10-_ 101- 102- 103-
103-FD
Comments:
(N/A)
1 VOCs in Drinking Water by GC/MS
Lab: Region 7 ESAT Contract Lab (In-House)
Method: EPA Region 7 RLAB Method 3230.9E
Samples: 1- 1-FD 2- 3- 4- 5- 6-
7- 8- 9- 10-_ 11-FB 12-FB
Comments:
l,2-Dibromo-3-Chloropropane (29.48%) was low in the initial calibration and was UJ-coded
in samples 5613-1, 5613-2, 5613-3, 5613-4, 5613-5, 5613-6, 5613-7, 5613-8, 5613-9,
5613-10, 5613-11-FB, and 5613-12-FB. This analyte was not found in the samples at or
above the reporting limit however, the reporting limit is an estimate (UJ-coded) due to the
initial instrument calibration not meeting specifications. The actual reporting limit may be
higher than the reported value.
Page 4 of 17
-------
ASR Number: 5613 RLAB Approved Analysis Comments 01/10/2012
Project ID: RKA72Q00 Project Desc Atlantic Water Supply - Site Reassessment sampling
Analysis Comments About Results For This Analysis
Dichlorodifluoromethane (40.3%) was biased low and was UJ-coded in samples 5613-1,
5613-2, 5613-3, 5613-4, 5613-5, 5613-6, 5613-7, 5613-8, 5613-9, 5613-10, 5613-11-FB,
and 5613-12-FB. This analyte was not found in the samples at or above the reporting limit
however, the reporting limit is an estimate (UJ-coded) due to the continuing calibration
check not meeting specifications. The actual reporting limit may be higher than the
reported value.
Trichlorofluoromethane (69%, 79 - 129%), Carbon Tetrachloride (78%, 79 - 124%),
Isopropylbenzene (84%, 95 - 134%), and Hexachlorobutadiene (73%, 85 - 128%) were
low and were UJ-coded in samples 5613-1, 5613-2, 5613-3, 5613-4, 5613-5, 5613-6,
5613-7, 5613-8, 5613-9, 5613-10, 5613-11-FB, and 5613-12-FB. The analytes were not
found in the samples at or above the reporting limit however, the reporting limit is an
estimate (UJ-coded) due to the low recovery of the analytes in the laboratory control
sample. The actual reporting limit for these analytes may be higher than the reported
value.
Styrene (48%, 56 - 133%), 1,2,4-Trimethylbenzene (61%, 76 - 129%), and 1,3,5-
Trimethylbenzene (64%, 79 - 127%) were biased low and were UJ-coded in sample 5613-
6. The analytes were not found in the sample at or above the reporting limit however, the
reporting limit is an estimate (UJ-coded) due to low recovery of the analytes in the
laboratory matrix spike. The actual reporting limit for these analytes may be higher than
the reported value.
Hexachlorobutadiene (81%, 82 - 128%), Styrene (46%, 56 - 133%), 1,2,4-
Trimethylbenzene (57%, 76 - 129%), and 1,3,5-Trimethylbenzene (61%, 79 - 127%) were
biased low and were UJ-coded in sample 5613-6. The analytes were not found in the
sample at or above the reporting limit however, the reporting limit is an estimate (UJ-
coded) due to low recovery of the analytes in the laboratory matrix spike duplicate. The
actual reporting limit for these analytes may be higher than the reported value.
1 VOCs in Water by GC/MS for Low Detection Limits
Lab: Region 7 ESAT Contract Lab (In-House)
Method: EPA Region 7 RLAB Method 3230.13E
Samples: 101- 102- 103- 103-FD 105-FB 107-FB
Comments:
Styrene (20.63%) was UJ-coded in samples 101-103, 103-FD, 105-FB, and 107-FB. This
analyte was not found in the samples at or above the reporting limit, however, the
reporting limit is an estimate (UJ-coded) due to the initial instrument calibration curve not
meeting linearity specifications. The actual reporting limit may be higher than the reported
value.
Acetone (69%, 70%-130%) and 2-Hexanone (67%, 70%-130%) were UJ-coded in samples
101-103, 103-FD, 105-FB, and 107-FB. These analytes were not found in the samples at
or above the reporting limit, however, the reporting limit is an estimate (UJ-coded) due to
the second source verification standard not meeting QC limits. The actual reporting limit
may be higher than the reported value.
Page 5 of 17
-------
ASR Number: 5613 RLAB Approved Analysis Comments 01/10/2012
Project ID: RKA72Q00 Project Desc Atlantic Water Supply - Site Reassessment sampling
Analysis Comments About Results For This Analysis
Bromomethane (14RPD, 12PCL) was UJ-coded in sample 102. This analyte was not found
in the sample at or above the reporting limit, however, the reporting limit is an estimate
(UJ-coded) due to poor precision obtained for this analyte in the laboratory matrix spike
and matrix spike duplicate. The actual reporting limit for this analyte may be higher than
the reported value.
Page 6 of 17
-------
ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
knalysis/ Analyte
Units
1-
1-FD
2-
3-
Conductivity by Field Measurement
Conductivity
umhos/cm
593
593
294
283
pH of Water by Field Measurement
PH
SU
6.01
6.01
6.46
6.41
Temperature of Water by Field Measurement
Temperature
Deg C
12.07
12.07
10.99
10.87
VOCs in Drinking Water by GC/MS
Acetone
ug/L
10 U
10 U
10 U
10 U
Benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromochloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromodichloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromoform
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromomethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2-Butanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
n-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
sec-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
tert-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Carbon Disulfide
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Carbon Tetrachloride
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
Chlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloroform
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloromethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2-Chlorotoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
4-Chlorotoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
l,2-Dibromo-3-Chloropropane
ug/L
1.0 UJ
1.0 UJ
1.0 UJ
1.0 UJ
Di bromochloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dibromoethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Dibromomethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,3-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,4-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Dichlorodifluoromethane
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
1,1-Dichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
cis-l,2-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
trans-1,2-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,3-Dichloropropane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2,2-Dichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
cis-l,3-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
trans-1,3-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Ethyl Benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Page 7 of 17
-------
ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
Analysis/ Analyte Units 1- 1-FD 2- 3-
Hexachlorobutadiene
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
2-Hexanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
Isopropylbenzene
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
p-Isopropyltoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Methylene Chloride
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
4-Methyl-2-Pentanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
Naphthalene
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
n-Propylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Styrene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,1,2-Tetrachloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,2,2-Tetrachloroethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
Tetrachloroethene
ug/L
87
87
0.50 U
0.50 U
Toluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,3-Trichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,4-Trichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,1-Trichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,2-Trichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Trichloroethene
ug/L
1.3
1.3
0.50 U
0.50 U
Trichlorofluoromethane
ug/L
1.0 UJ
1.0 UJ
1.0 UJ
1.0 UJ
1,2,3-Trichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,4-Trimethyl benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,3,5-Trimethyl benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Vinyl Chloride
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
m and/or p-Xylene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
o-Xylene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Page 8 of 17
-------
ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
knalysis/ Analyte
Units
4-
5-
6-
7-
Conductivity by Field Measurement
Conductivity
umhos/cm
578
393
337
382
pH of Water by Field Measurement
PH
SU
6.42
6.61
6.54
6.51
Temperature of Water by Field Measurement
Temperature
Deg C
10.78
11.88
11.13
11.05
VOCs in Drinking Water by GC/MS
Acetone
ug/L
10 U
10 U
10 U
10 U
Benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromochloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromodichloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromoform
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromomethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2-Butanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
n-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
sec-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
tert-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Carbon Disulfide
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Carbon Tetrachloride
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
Chlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloroform
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloromethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2-Chlorotoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
4-Chlorotoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
l,2-Dibromo-3-Chloropropane
ug/L
1.0 UJ
1.0 UJ
1.0 UJ
1.0 UJ
Di bromochloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dibromoethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Dibromomethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,3-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,4-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Dichlorodifluoromethane
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
1,1-Dichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
cis-l,2-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
trans-1,2-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,3-Dichloropropane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2,2-Dichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
cis-l,3-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
trans-1,3-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Ethyl Benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Page 9 of 17
-------
ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
Analysis/ Analyte Units 4- 5- 6- 7-
Hexachlorobutadiene
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
2-Hexanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
Isopropylbenzene
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
p-Isopropyltoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Methylene Chloride
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
4-Methyl-2-Pentanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
Naphthalene
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
n-Propylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Styrene
ug/L
0.50 U
0.50 U
0.50 UJ
0.50 U
1,1,1,2-Tetrachloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,2,2-Tetrachloroethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
Tetrachloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Toluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,3-Trichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,4-Trichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,1-Trichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,2-Trichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Trichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Trichlorofluoromethane
ug/L
1.0 UJ
1.0 UJ
1.0 UJ
1.0 UJ
1,2,3-Trichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,4-Trimethyl benzene
ug/L
0.50 U
0.50 U
0.50 UJ
0.50 U
1,3,5-Trimethyl benzene
ug/L
0.50 U
0.50 U
0.50 UJ
0.50 U
Vinyl Chloride
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
m and/or p-Xylene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
o-Xylene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Page 10 of 17
-------
ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
knalysis/ Analyte
Units
8-
9-
10-
11-FB
Conductivity by Field Measurement
Conductivity
umhos/cm
288
279
398
pH of Water by Field Measurement
PH
SU
6.51
6.38
6.48
Temperature of Water by Field Measurement
Temperature
Deg C
11.01
11.07
11.47
VOCs in Drinking Water by GC/MS
Acetone
ug/L
10 U
10 U
10 U
10 u
Benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromochloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromodichloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromoform
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Bromomethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2-Butanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
n-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
sec-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
tert-Butylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Carbon Disulfide
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Carbon Tetrachloride
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
Chlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloroform
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Chloromethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2-Chlorotoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
4-Chlorotoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
l,2-Dibromo-3-Chloropropane
ug/L
1.0 UJ
1.0 UJ
1.0 UJ
1.0 UJ
Di bromochloromethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dibromoethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Dibromomethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,3-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,4-Dichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Dichlorodifluoromethane
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
1,1-Dichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
cis-l,2-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
trans-1,2-Dichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2-Dichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,3-Dichloropropane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
2,2-Dichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
cis-l,3-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
trans-1,3-Dichloropropene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Ethyl Benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Page 11 of 17
-------
ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
Analysis/Analyte Units 8- 9- 10- 11-FB
Hexachlorobutadiene
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
2-Hexanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
Isopropylbenzene
ug/L
0.50 UJ
0.50 UJ
0.50 UJ
0.50 UJ
p-Isopropyltoluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Methylene Chloride
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
4-Methyl-2-Pentanone
ug/L
5.0 U
5.0 U
5.0 U
5.0 U
Naphthalene
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
n-Propylbenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Styrene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,1,2-Tetrachloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,2,2-Tetrachloroethane
ug/L
1.0 U
1.0 U
1.0 U
1.0 U
Tetrachloroethene
ug/L
0.50 U
0.50 U
3.6
0.50 U
Toluene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,3-Trichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,4-Trichlorobenzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,1-Trichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,1,2-Trichloroethane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Trichloroethene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Trichlorofluoromethane
ug/L
1.0 UJ
1.0 UJ
1.0 UJ
1.0 UJ
1,2,3-Trichloropropane
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,2,4-Trimethyl benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
1,3,5-Trimethyl benzene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Vinyl Chloride
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
m and/or p-Xylene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
o-Xylene
ug/L
0.50 U
0.50 U
0.50 U
0.50 U
Page 12 of 17
-------
ASR Number: 5613
Project ID: RKA72Q00
RLAB Approved Sample Analysis Results 01/10/2012
Project Desc: Atlantic Water Supply - Site Reassessment sampling
knalysis/ Analyte
Units
12-FB
Conductivity by Field Measurement
Conductivity
umhos/cm
pH of Water by Field Measurement
PH
SU
Temperature of Water by Field Measurement
Temperature
Deg C
VOCs in Drinking Water by GC/MS
Acetone
ug/L
10 u
Benzene
ug/L
0.50 U
Bromobenzene
ug/L
0.50 U
Bromochloromethane
ug/L
0.50 U
Bromodichloromethane
ug/L
0.50 U
Bromoform
ug/L
0.50 U
Bromomethane
ug/L
1.0 U
2-Butanone
ug/L
5.0 U
n-Butylbenzene
ug/L
0.50 U
sec-Butylbenzene
ug/L
0.50 U
tert-Butylbenzene
ug/L
0.50 U
Carbon Disulfide
ug/L
0.50 U
Carbon Tetrachloride
ug/L
0.50 UJ
Chlorobenzene
ug/L
0.50 U
Chloroethane
ug/L
0.50 U
Chloroform
ug/L
0.50 U
Chloromethane
ug/L
1.0 U
2-Chlorotoluene
ug/L
0.50 U
4-Chlorotoluene
ug/L
0.50 U
l,2-Dibromo-3-Chloropropane
ug/L
1.0 UJ
Di bromochloromethane
ug/L
0.50 U
1,2-Dibromoethane
ug/L
0.50 U
Dibromomethane
ug/L
0.50 U
1,2-Dichlorobenzene
ug/L
0.50 U
1,3-Dichlorobenzene
ug/L
0.50 U
1,4-Dichlorobenzene
ug/L
0.50 U
Dichlorodifluoromethane
ug/L
0.50 UJ
1,1-Dichloroethane
ug/L
0.50 U
1,2-Dichloroethane
ug/L
0.50 U
1,1-Dichloroethene
ug/L
0.50 U
cis-l,2-Dichloroethene
ug/L
0.50 U
trans-1,2-Dichloroethene
ug/L
0.50 U
1,2-Dichloropropane
ug/L
0.50 U
1,3-Dichloropropane
ug/L
1.0 U
2,2-Dichloropropane
ug/L
0.50 U
1,1-Dichloropropene
ug/L
0.50 U
cis-l,3-Dichloropropene
ug/L
0.50 U
trans-1,3-Dichloropropene
ug/L
0.50 U
Ethyl Benzene
ug/L
0.50 U
101-_
528
6.69
12.41
102-_
593
6.41
13.12
103-_
638
6.11
13.20
Page 13 of 17
-------
ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
Analysis/ Analyte Units 12-FB 101- 102- 103-
Hexachlorobutadiene
ug/L
0.50 UJ
2-Hexanone
ug/L
5.0 U
Isopropylbenzene
ug/L
0.50 UJ
p-Isopropyltoluene
ug/L
0.50 U
Methylene Chloride
ug/L
0.50 U
4-Methyl-2-Pentanone
ug/L
5.0 U
Naphthalene
ug/L
1.0 U
n-Propylbenzene
ug/L
0.50 U
Styrene
ug/L
0.50 U
1,1,1,2-Tetrachloroethane
ug/L
0.50 U
1,1,2,2-Tetrachloroethane
ug/L
1.0 U
Tetrachloroethene
ug/L
0.50 U
Toluene
ug/L
0.50 U
1,2,3-Trichlorobenzene
ug/L
0.50 U
1,2,4-Trichlorobenzene
ug/L
0.50 U
1,1,1-Trichloroethane
ug/L
0.50 U
1,1,2-Trichloroethane
ug/L
0.50 U
Trichloroethene
ug/L
0.50 U
Trichlorofluoromethane
ug/L
1.0 UJ
1,2,3-Trichloropropane
ug/L
0.50 U
1,2,4-Trimethyl benzene
ug/L
0.50 U
1,3,5-Trimethyl benzene
ug/L
0.50 U
Vinyl Chloride
ug/L
0.50 U
m and/or p-Xylene
ug/L
0.50 U
o-Xylene
ug/L
0.50 U
VOCs in Water by GC/MS for Low Detection Limits
Acetone
ug/L
5.0 UJ
5.0 UJ
5.0 UJ
Benzene
ug/L
1.0 U
1.0 u
1.0 u
Bromodichloromethane
ug/L
1.0 U
1.0 u
1.0 u
Bromoform
ug/L
1.0 U
1.0 u
1.0 u
Bromomethane
ug/L
1.0 U
1.0 UJ
1.0 u
2-Butanone
ug/L
5.0 U
5.0 U
5.0 U
Carbon Disulfide
ug/L
1.0 U
1.0 u
1.0 u
Carbon Tetrachloride
ug/L
1.0 U
1.0 u
1.0 u
Chlorobenzene
ug/L
1.0 U
1.0 u
1.0 u
Chloroethane
ug/L
1.0 U
1.0 u
1.0 u
Chloroform
ug/L
1.0 u
1.0 u
1.0 u
Chloromethane
ug/L
1.0 u
1.0 u
1.0 u
Cyclohexane
ug/L
1.0 u
1.0 u
1.0 u
l,2-Dibromo-3-Chloropropane
ug/L
5.0 U
5.0 U
5.0 U
Dibromochloromethane
ug/L
1.0 U
1.0 u
1.0 u
1,2-Dibromoethane
ug/L
1.0 u
1.0 u
1.0 u
1,2-Dichlorobenzene
ug/L
1.0 u
1.0 u
1.0 u
1,3-Dichlorobenzene
ug/L
1.0 u
1.0 u
1.0 u
1,4-Dichlorobenzene
ug/L
1.0 u
1.0 u
1.0 u
Page 14 of 17
-------
ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
Analysis/ Analyte Units 12-FB 101- 102- 103-
Dichlorodifluoromethane
ug/L
1.0 U
1.0 u
1.0 u
1,1-Dichloroethane
ug/L
1.0 U
1.0 u
1.0 u
1,2-Dichloroethane
ug/L
1.0 U
1.0 u
1.0 u
1,1-Dichloroethene
ug/L
1.0 U
1.0 u
1.0 u
cis-l,2-Dichloroethene
ug/L
1.0 U
1.0 u
3.7
trans-1,2-Dichloroethene
ug/L
1.0 U
1.0 u
1.0 u
1,2-Dichloropropane
ug/L
1.0 U
1.0 u
1.0 u
cis-l,3-Dichloropropene
ug/L
1.0 U
1.0 u
1.0 u
trans-1,3-Dichloropropene
ug/L
1.0 U
1.0 u
1.0 u
Ethyl Benzene
ug/L
1.0 U
1.0 u
1.0 u
2-Hexanone
ug/L
5.0 UJ
5.0 UJ
5.0 UJ
Isopropylbenzene
ug/L
1.0 U
1.0 u
1.0 u
Methyl Acetate
ug/L
5.0 U
5.0 U
5.0 U
Methyl tert-butyl ether
ug/L
1.0 U
1.0 u
1.0 u
Methylcyclohexane
ug/L
1.0 U
1.0 u
1.0 u
Methylene Chloride
ug/L
1.0 U
1.0 u
1.0 u
4-Methyl-2-Pentanone
ug/L
5.0 U
5.0 U
5.0 U
Naphthalene
ug/L
2.0 U
2.0 U
2.0 U
Styrene
ug/L
1.0 UJ
1.0 UJ
1.0 UJ
1,1,2,2-Tetrachloroethane
ug/L
1.0 U
1.0 u
1.0 u
Tetrachloroethene
ug/L
1.0 U
1.0 u
2500
Toluene
ug/L
1.0 U
1.0 u
1.0 U
1,2,3-Trichlorobenzene
ug/L
1.0 U
1.0 u
1.0 U
1,2,4-Trichlorobenzene
ug/L
1.0 u
1.0 u
1.0 U
1,1,1-Trichloroethane
ug/L
1.0 u
1.0 u
1.0 u
1,1,2-Trichloroethane
ug/L
1.0 u
1.0 u
1.0 u
Trichloroethene
ug/L
1.0 u
1.0 u
1.0 u
Trichlorofluoromethane
ug/L
1.0 u
1.0 u
1.0 u
1,1,2-Trichlorotrifluoroethane
ug/L
1.0 u
1.0 u
1.0 u
Vinyl Chloride
ug/L
1.0 u
1.0 u
1.0 u
m and/or p-Xylene
ug/L
2.0 U
2.0 U
2.0 U
o-Xylene
ug/L
1.0 u
1.0 u
1.0 u
Page 15 of 17
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ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
knalysis/ Analyte
Units
103-FD
105-FB
107-FB
Conductivity by Field Measurement
Conductivity
umhos/cm
638
pH of Water by Field Measurement
PH
SU
6.11
Temperature of Water by Field Measurement
Temperature
Deg C
13.20
VOCs in Water by GC/MS for Low Detection Limits
Acetone
ug/L
5.0 UJ
5.0 UJ
5.0 UJ
Benzene
ug/L
1.0 U
1.0 U
1.0 u
Bromodichloromethane
ug/L
1.0 U
1.0 U
1.0 u
Bromoform
ug/L
1.0 U
1.0 U
1.0 u
Bromomethane
ug/L
1.0 U
1.0 u
1.0 u
2-Butanone
ug/L
5.0 U
5.0 U
5.0 U
Carbon Disulfide
ug/L
1.0 U
1.0 U
1.0 u
Carbon Tetrachloride
ug/L
1.0 U
1.0 U
1.0 u
Chlorobenzene
ug/L
1.0 U
1.0 u
1.0 u
Chloroethane
ug/L
1.0 U
1.0 u
1.0 u
Chloroform
ug/L
1.0 U
1.0 u
1.0 u
Chloromethane
ug/L
1.0 U
1.0 u
1.0 u
Cyclohexane
ug/L
1.0 U
1.0 u
1.0 u
l,2-Dibromo-3-Chloropropane
ug/L
5.0 U
5.0 U
5.0 U
Dibromochloromethane
ug/L
1.0 U
1.0 u
1.0 u
1,2-Dibromoethane
ug/L
1.0 U
1.0 u
1.0 u
1,2-Dichlorobenzene
ug/L
1.0 U
1.0 u
1.0 u
1,3-Dichlorobenzene
ug/L
1.0 u
1.0 u
1.0 u
1,4-Dichlorobenzene
ug/L
1.0 u
1.0 u
1.0 u
Dichlorodifluoromethane
ug/L
1.0 u
1.0 u
1.0 u
1,1-Dichloroethane
ug/L
1.0 u
1.0 u
1.0 u
1,2-Dichloroethane
ug/L
1.0 u
1.0 u
1.0 u
1,1-Dichloroethene
ug/L
1.0 u
1.0 u
1.0 u
cis-l,2-Dichloroethene
ug/L
3.8
1.0 u
1.0 u
trans-1,2-Dichloroethene
ug/L
1.0 U
1.0 u
1.0 u
1,2-Dichloropropane
ug/L
1.0 U
1.0 u
1.0 u
cis-l,3-Dichloropropene
ug/L
1.0 u
1.0 u
1.0 u
trans-1,3-Dichloropropene
ug/L
1.0 u
1.0 u
1.0 u
Ethyl Benzene
ug/L
1.0 u
1.0 u
1.0 u
2-Hexanone
ug/L
5.0 UJ
5.0 UJ
5.0 UJ
Isopropylbenzene
ug/L
1.0 u
1.0 u
1.0 u
Methyl Acetate
ug/L
5.0 U
5.0 U
5.0 U
Methyl tert-butyl ether
ug/L
1.0 U
1.0 u
1.0 u
Methylcyclohexane
ug/L
1.0 U
1.0 u
1.0 u
Methylene Chloride
ug/L
1.0 u
1.0 u
1.0 u
4-Methyl-2-Pentanone
ug/L
5.0 U
5.0 U
5.0 U
Naphthalene
ug/L
2.0 U
2.0 U
2.0 U
Styrene
ug/L
1.0 UJ
1.0 UJ
1.0 UJ
1,1,2,2-Tetrachloroethane
ug/L
1.0 U
1.0 u
1.0 u
Page 16 of 17
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ASR Number: 5613 RLAB Approved Sample Analysis Results 01/10/2012
Project ID: RKA72Q00 Project Desc: Atlantic Water Supply - Site Reassessment sampling
Analysis/ Analyte
Tetrachloroethene
Toluene
1.2.3-Trichlorobenzene
1.2.4-Trichlorobenzene
1.1.1-Trichloroethane
1.1.2-Trichloroethane
Trichloroethene
Trichlorofluoromethane
1,1,2-Trichlorotrifluoroethane
Vinyl Chloride
m and/or p-Xylene
o-Xylene
Units 103-FD 105-FB 107-FB
ug/L
ug/L
ug/L
ug/L
ug/L
ug/L
ug/L
ug/L
ug/L
ug/L
ug/L
ug/L
2400
1.0 U
1.0 U
1.0 U
1.0 U
1.0 U
1.0 U
1.0 U
1.0 U
1.0 U
2.0 U
1.0 U
1.0 U
1.0 U
1.0 U
1.0 U
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
2.0 U
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
1.0 u
2.0 U
1.0 u
Page 17 of 17
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