NCD003446721_20101029_Celeanse Corporation - Shelby Fiber_FRBCERCLA SPD_Grub Area Technical Memorandum-OCR

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~COM
October 29, 2010
Mr. Luis Flores
Remedial Project Manager
AECOM
One Midtown Plaza
1360 Peachtree St. N.E
Suite 500
Atlanta, GA 30309
US Environmental Protection Agency, Region 4
Atlanta Federal Center
61 Forsyth Street
Atlanta, Georgia 30303-3104
Subject: GRUB Area Technical Memorandum
Celanese Fibers Operations Site
Shelby, North Carolina
Document 026SB-298
AECOM Project 60135442
Dear Mr. Flores,
404.965.9600 tel
404.965.9605 fax
A sampling investigation was performed to provide additional information to the EPA regarding
potential sources in the former glycol recovery unit bottoms (GRUB) disposal area. Ethylene glycol
has consistently been detected at well V-23 and well lT-6, and periodically in well K-28. These
wells are located near and downgradient of the former GRUB disposal area. Diethylene dioxide has
also been detected at these wells, as well as wells downgradient of the area. The ethylene glycol
distillation bottoms were a waste product from the process to recover unreacted ethylene glycol
from the production waste stream. The diethylene dioxide was produced as a by-product of the
plant process that used ethylene glycol as a raw material, and was a component of the GRUB.
Therefore, the two parameters share a common source in this area.
A remedial action was completed in the former GRUB disposal area in 1992. The work consisted of
excavation of waste material, followed by incineration, stabilization, and on-site burial of the residual
stabilized ash and non-GRUB wastes. The objectives of the current work, as outlined in the project
work plan ( Work Plan and Field Sampling Plan for Supplemental Investigation and Long-Term
Groundwater Monitoring, Celanese Fibers Operations Site, Shelby, NC, AECOM, March 2009),
were:
• evaluate if there is GRUB material that was not removed during the earlier remediation
contributing to the elevated concentrations of diethylene dioxide and ethylene glycol in
monitoring wells V-23, IT-6, and K-28;
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AECOM GRUB Area Technical Memorandum
Celanese Fibers Operations Site
Shelby, North Carolina
Document 026 SB-298
• delineate the horizontal and vertical extent of diethylene dioxide and ethylene glycol in
soil, if present, and evaluate their localized impact on groundwater; and
• evaluate the adequacy of existing wells to monitor the diethylene dioxide and ethylene
glycol plumes in these areas.
2
Ethylene glycol is highly biodegradable, and previous investigations have concluded that its extent
is controlled by natural degradation. Diethylene dioxide is more mobile than ethylene glycol and is
recalcitrant in the subsurface. Therefore, the diethylene dioxide plume has migrated over a greater
area of the site. Ethylene glycol is included in the study primarily because the concentrations, when
found, are much higher than diethylene dioxide and the high concentration gradients may provide a
clear indication of the presence of and, the location of, residual GRUB material not removed during
the 1992 remediation. ·
Field Work
The field effort was completed generally as described in the work plan (Work Plan and Field
Sampling Plan for Supplemental Investigation and Long-Term Groundwater Monitoring, Celanese
Fibers Operations Site, Shelby, NC, AECOM, March 2009). The work area and direct push
technology (DPT) locations investigated are presented in Figure 1.
During DPT boring installation, some of the initial borings were completed by hand auger to a depth
of 2 to 3 feet to provide utility clearance. However, in the field, this· method was not adequate for all
locations, and an independent utility location contractor and plant drawings were also utilized.
During the DPT investigation, 5-foot, lined samplers were used to collect subsurface core samples
for visually inspecting for GRUB, to provide visual descriptions of the subsurface material and
provide samples for field screening. Soil sampling was discontinued approximately 2 to 3 feet
above the anticipated top of the water surface and a temporary well was installed to provide for
collection of a shallow groundwater sample.
The soils from each 5-foot continuous sampler were screened using a photo-ionization detector
(PID). The PID screening results were used to select the interval(s) from the boring to field screen
for ethylene glycol. The interval(s) with the highest PID concentration(s) were then field screened
using a Chemetrics® glycol (as ethylene glycol) field test kit. Based on the results of the field
screening and visual observation of the soils, the field geologist determined if a sample would be
collected for laboratory analysis.
Groundwater samples were collected from the temporary monitoring wells and analyzed for the field
parameters of dissolved oxygen (DO), oxidation-reduction potential (ORP), pH, temperature,
specific conductance, turbidity, and ferrous iron, and laboratory analysis of diethylene dioxide and
ethylene glycol. The initial groundwater sample from each location was collected approximately 5
feet below the top of the groundwater surface_ After review of the initial data, several locations were
selected to be continued to greater depths for collection of additional groundwater samples. For the
borings that were installed to provide supplemental information at depth, soil sampling was
generally not performed since it was known that the former disposal areas were relatively shallow.
Each of the boreholes was abandoned by grouting to meet North Carolina well standards.
Twenty DPT points were installed between August 25 and August 28, 2009. Subsequently, the field
work was transitioned to other studies while the initial analytical results were received and the data
reviewed.
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AECOM GRUB Area Technical Memorandum
Celanese Fibers Operations Site
Shelby, North Carolina
Document 026 SB-298
3
The data collected during the first week of sampling did not locate significant ethylene glycol or
diethylene dioxide in the soil samples. Additionally, ethylene glycol was not detected in the
groundwater samples, but diethylene dioxide was detected in nearly all of the groundwater samples.
Because the first round of sampling did not detect ethylene glycol, additional DPT locations were
planned based on a strategy of starting as close as possible to well V-23 and working toward the
former disposal area. Based on evaluation of the initial data, certain locations previously tested
were re-visited to collect samples at greater depth. Twenty-nine locations were added to the study
between September 9 and September 16, and three locations were revisited to collect deeper
samples.
Results
The results of the groundwater analyses for ethylene glycol and diethylene dioxide during the
investigation are presented in Table 1 and the results of the soil samples are presented in Table 2.
Summaries of the field data are presented in Attachment A. Groundwater samples were also
collected from wells IT-6, V-23, and K-28 for comparison.
Subsurface Geology and Hydroqeoloqy
Fifty DPT locations were drilled as part of the investigation and are mainly located downgradient of
the former disposal areas. Boring depths range between 17 feet and 48 feet below ground surface
(bgs). Typically, these borings extend to a few feet below the water table, but several were
extended deeper and ten encountered DPT refusal at relatively shallow depths. The DPT refusal
elevations and total boring depths were used to develop an approximate top of "rock" map for the
area as shown on Figure 2. These data show bedrock high areas exist around the general vicinity
of DPT locations J-16 and 1-17 with DPT refusal elevations ranging between approximately
elevations 796 to 798 feet mean sea level (MSL). A bedrock high also exists to the east-northeast
and is generally identified by DPT locations 0-13 and N-14 with DPT refusal depths ranging
between approximately elevations 793 and 797 feet MSL. The data also show a bedrock trough or
saddle exists between the identified bedrock high points and appears to trend in a north-northwest
by south-southeast directiori. The data show the bedrock surface in the trough to be below
approximate elevation 780 feet MSL, with DPT location J-15 encountering DPT refusal at
approximately elevation 766.5 feet MSL. The significant differences in elevations between the
bedrock highs and the elevation of the bedrock low is interpreted as a zone of more intense
weathering suggesting a difference in parent lithology or the presence of a relict fracture zone or
. joint system through this area.
Figure 3 presents a groundwater contour map of the general GRUB area based on the data
collected at the temporary wells between August 26 and September 16, 2009. These data show
groundwater elevations range between approximately 804.6 feet MSL on the upgradient side of the
remediated area at DPT D-5 to 796.1 feet MSL at DPT N-8. These data are consistent with the
water levels interpreted previously from the monitor wells.
One of the objectives of the field work was to identify the presence, if any, of residual GRUB
material remaining in the subsurface. A second objective was to determine the primary flow path of
ethylene glycol and diethylene dioxide in groundwater from the former disposal area or vicinity to
locations of known detections. Soil data used to identify remaining GRUB material are discussed
below. Groundwater data and flow patterns observed are discussed in the following section.
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AECOM
Soil
GRUB Area Technical Memorandum
Celanese Fibers Operations Site
Shelby, North Carolina
Document 026 SB-298
4
The primary mechanism of lateral transport for both ethylene glycol and diethylene dioxide is in
groundwater; therefore, the soil data were only expected to yield significant detections if a mass of
residual GRUB material was located. There was no visual evidence of GRUB from the continuous
soil cores from the 36 borings with soil samples. The analytical data from the 39 soil samples
analyzed showed one detection of diethylene dioxide at location M-7 at 5 to 7 feet bgs at a
concentration of 0.107 milligrams per kilogram dry weight (mg/Kg-dry). Similarly, ethylene glycol
was only detected at location M-8 from Oto 5 feet at 19 mg/Kg-dry. Thus, no GRUB was located at
the 36 locations where continuous soil samples were collected.
Groundwater
Ethylene glycol and diethylene dioxide were detected more frequently in groundwater samples than
in the soil samples, and the detections of diethylene ·dioxide were significantly more frequent than
the detections of ethylene glycol. As described previously, the diethylene dioxide is mobile and
recalcitrant, while the ethylene glycol is less mobile and readily degradable. Therefore, the ethylene
glycol plume is constrained to locations closer to a source and more directly along groundwater flow
paths from the source. Because diethylene dioxide is mobile and recalcitrant, it serves as a good
tracer for groundwater flow. The freque·ncy of detections of diethylene dioxide in the study area
provides a reasonable level of resolution for interpretation of the flow from a potential source
location.
Figure 4 shows the highest value of diethylene dioxide and ethylene glycol measured at a location
with the number in parentheses showing the approximate depth below ground surface of the
screened interval for the sample. Thus, it shows the depth below ground surface where the highest
measured concentrations exist. These data were plotted to present general ·isoconcentration
diagrams for the "shallow" and "deep" zones. For these constructions, "shallow" is defined as
locations with well screen bottoms less than approximately 25 feet bgs, and "deep" is defined as
well screens greater than approximately 25 feet bgs. Figures 4A and 48 present the data for
ethylene glycol and diethylene dioxide with well screens less than approximately 25 feet,
respectively, and Figures 4C and 4D present the data for wells screened greater than approximately
25 feet for ethylene glycol and diethylene dioxide, respectively.
The data from the DPT points are also presented on the cross-sections shown on Figure 5 (north-
south) and Figure 6 (west-east). The DPT boring refusal depths represented by the data on the
cross-sections shows that the bedrock surface (as defined by DPT refusal) changes several feet in
elevation in relatively short lateral distances. Furthermore, the diethylene dioxide and ethylene
glycol data indicate the highest concentrations of diethylene dioxide and ethylene glycol tend to
occur at or near the top of bedrock surface indicated by the DPT borings and move around the
bedrock high that is present at DPT locations of J-16 and 1-17. Location J-15 measured the highest
concentrations of diethylene dioxide and ethylene glycol encountered during the sampling at
concentrations of 3.54 mg/Land 15,600 mg/L, respectively.
As shown on the cross-sections (Figures 5 and 6), the higher diethylene dioxide and ethylene glycol
concentrations originate in the vicinity of the borings on grid line "I" constructed immediately
downgradient of the remediation trench. This investigation line was located as close as practical to
the former source without penetrating the stabilized incinerator ash and other redeposited waste
materials. The data show that the higher concentrations generally occur at or near the top of
bedrock, and that their migration appears to be influenced and constrained by the bedrock highs
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AECOM GRUB Area Technical Memorandum
Celanese Fibers Operations Site
Shelby, North Carolina
Document 026 SB-298
5
and intervening trough and probably by relict fractures that exist in the saprolitic soils and
transitional material between the more weathered material and more competent bedrock. Based on
the data available, this bedrock trough appears to be oriented approximately N35°W. This is
consistent with the general orientation of a topographic lineament mapped southeast of the site
oriented approximately N24 °W and the orientation of the stream traversing the eastern portion of
the site which is oriented at approximately N22°W. Looking at the larger area around the site, these
topographic/stream features represent a set of lineaments that range in orientation from roughly
N15°W to N52°W (Final Remedial Investigation Report, CFO/Shelby, NC Facility, S&ME, 1986).
The aquifer in the study area is generally under reducing conditions with DO measurements below
0.5 mg/Land ORP measurements below -50 millivolts (mV). However, DO concentrations and
ORP measurements increase with depth. DO concentrations were above 0.5 mg/Land ORP was
positive for most samples collected below 25 feet below ground surface (bgs). The pH was below
5.5 at depths where ORP measurements are positive.
Ethylene glycol is readily biodegradable under aerobic and anaerobic conditions and the
microorganisms capable of biodegrading ethylene glycol are ubiquitous. Depletion of oxygen and a
reducing environment are expected when ethylene glycol is readily biodegraded by native
microorganisms. At the vicinity of well V-23 the ethylene glycol concentrations are elevated. In this
area, the oxygen concentrations are low, as expected, but, the positive ORP measurements are not
consistent with the expectations for rapid aerobic degradation. The low oxygen concentration
supports the conclusion that aerobic biodegradation of ethylene glycol is occurring, but the
persistent glycol concentrations and positive ORP show that the process is not reaching completion
as normally expected. It is possible that oxygen is the limiting reactant and that the remaining
ethylene glycol and oxygenated degradation products provide a buffer for the ORP in the immediate
area.
Work by Mrklas et al. (Mrklas, 0., Chu, A., Lunn, S, and Bentley, L. R., 2004. Biodegradation of
Monoethanolamine, Ethylene Glycol and Triethylene Glycol in Laboratory Bioreactors, Water, Air
and Soil Pollution, 169: 249-263.) reported the degradation products of the ethylene glycol are
ethanol and acetate and suggests that acetate can become inhibitory to biological activity under
anaerobic conditions at 2000 mg/Lor greater. Acetate was not measured during the current study,
but was measured at the location of well V-23 during earlier work and found to range between 139
mg/Land 13,500 mg/L with a median value of 7120 mg/L suggesting inhibition to rapid
biodegradation in the vicinity of locations with demonstrated higher concentrations of ethylene
glycol. The depressed DO values indicate that biodegradation is occurring, but is inhibited before
strongly reducing conditions (represented by negative ORP values) can develop. Furthermore,
because oxygen is limiting, complete aerobic degradation is not achieved in the area of highest
concentrations, and the oxygen that is transported to this area is rapidly used to maintain partial
degradation, allowing acetate concentrations to remain at levels which are inhibitory of anaerobic
degradation. This is interpreted to be occurring in the deeper portions of the aquifer as shown by
the deeper DPT borings showing the highest levels of diethylene dioxide and ethylene glycol
encountered on site. In these locations, the DO is depleted, the ORP is positive, and the pH is
consistently below 5.5. The pH values in this range are below the ideal range for biodegradation.
As the mass is transported away from this area, it reaches areas that are less or not inhibitory with
higher oxygen levels and is also diluted by fresh water. As monitoring of downgradient locations
has demonstrated, the anticipated degradation of ethylene glycol occurs quickly as the mass
migrates away from the higher concentration area.
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AECOM GAUB Area Technical Memorandum
Celanese Fibers Operations Site
Shelby, North Carolina
Document 026 SB-298
6
Diethylene dioxide is recalcitrant, and is widely distributed throughout the investigated area, and the
only places it was not detected were upgradient of the former disposal area. The highest diethylene
dioxide detection_s were between 2.5 and 3.5 milligrams per liter (mg/L). However, .these higher
concentrations were not typical, and greater than 80% of the detections were between the reporting
limit of 0.002 mg/Land 0.350 mg/Lor more than an order of magnitude lower than the highest
detections. The median diethylene dioxide concentration of the detected values is 0.137 mg/L. The
highest diethylene dioxide concentrations are typically located between the V-23/IT-6 area and the
former source area. These concentrations range between the high of 3.54 mg/Land 1.55 mg/L.
The association of the higher diethylene dioxide concentrations with the higher concentrations of
ethylene glycol is interpreted as supporting the interpretation that they originated from a common
source location
DPT locations L-6 and N-8 located further to the north recorded diethylene dioxide concentrations of
2.0 mg/Land 1.29 mg/L, respectively. Ethylene glycol is below the detection level of 7 mg/Lat
these locations. The diethylene dioxide concentrations at these locations appear to be outliers
when compared to the surrounding data.
Diethylene dioxide and ethylene glycol were also measured at wells in the routine monitoring
program. The results of these samples were generally consistent with data collected since 2006,
with the exception of diethylene dioxide at well K-28, which was higher than range and median of
the historic information.
Analyte IT-6 V-23 K-28
Sample Sept 2006 through Sept 2006 through Sept 2006 through
Date 2009 March 2009 2009 March 2009 2009 March 2009
Range Median Range Median Range Median
ethylene 55.4-653-6630 <7-glycol 496 1040 6,190 <7 <7'
(mq/L) 3970 9640 "1410
diethylene 2.45-3.04 1.030-0.006 -dioxide 2.56 3.12 2.58 2.90 1.965 0.503 0.274 0.250
(mq/lJ
' -The median of the detected values 1s 68 mg/L.
Conclusions
No residual GRUB material was encountered during the investigation. These data show that there
is a very limited impact from diethylene dioxide and ethylene glycol in the soil since diethylene
dioxide was only detected at location M-7 at 5 to 7 feet below land surface at a concentration of
0.107 mg/Kg-dry. Similarly, ethylene glycol was only detected at location M-8 from Oto 5 feet at 19
mg/Kg-dry.
The groundwater sampling defined the impact of ethylene glycol to an area between wells V-23/ IT-
6 back to the west to the eastern limit of the former disposal area. Concentrations ranged between
49.3 mg/L (J-14 at 27.5 to 37.5 feet) and 15,600 mg/L (J-15 at 38 to 48 feet) with the highest value
occurring approximately 25 feet downgradient of the former disposal area. The remaining 50 DPT
groundwater samples were non-detect at 7 mg/L.
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AECOM GRUB Area Technical Memorandum
Celanese Fibers Operations Site
Shelby, North Carolina
Document 026 SB-298
7
Diethylene dioxide was widespread throughout the area investigated and was detected (0.002 mg/L
detection level) in 57 of the 60 samples analyzed. The highest concentration detected was at DPT
J-15 (38 to 48 feet) at 3.54 mg/L. This is the same location as the highest ethylene glycol detected
and is immediately downgradient of the former disposal area. The higher diethylene dioxide
concentrations are generally consistent with the locations of the higher ethylene glycol with the
exceptions of two higher .values of diethylene dioxide occurring at DPT locations L-6 and N-8. Its
widespread presence supports its use as an appropriate chemical for use as a groundwater tracer
for flow away from the GRUB area.
The third objective of the current work was to determine whether the existing monitoring well
network was_ adequate for monitoring the area. Based on the concentrations and distributions of the
diethylene dioxide and ethylene glycol data that have been developed, the existing monitoring well
network is adequate to monitor the general long-term conditions in and downgradient of the former
GRUB area.
In addition to the chemistry data developed, substantial information has been developed on the
shallow subsurface conditions and geology in the vicinity of the former GRUB disposal area. These
data show that the top of rock (as defined by DPT refusal) is variable in short lateral distances, that
a bedrock trough or low exists immediately downgradient of the former disposal area and that the
low is projected to extend beneath the former disposal area. The highest concentrations of
diethylene dioxide and ethylene glycol identified are confined to the bedrock low with the highest
concentrations identified at the site being immediately downgradient from the former disposal area
in the deepest portion of the bedrock low. The extent of these higher concentrations appears
limited by locations of V-23/IT-6 to the east, N-18/O-17 to the southeast, I-17/J-16 to the southwest,
and to the limits of the data locations adjacent to the former disposal area to the west.
Recommendations
Based on the information developed by this evaluation, GRUB has not been identified. Instead, the
work identified an area between the former disposal area and well V-23 where the highest
concentrations of diethylene dioxide and ethylene glycol are concentrated at the DPT refusal depth.
To determine whether the high concentrations of diethylene dioxide and ethylene glycol are as
limited as they appear by the data developed, it is proposed that wells be installed proximate to
DPT locations J-15, L-15 and K-16 (three wells total). Pumps would be installed in each well and
pumped to determine the practicality of pumping to remove the highest concentrations of diethylene
dioxide and ethylene glycol indentified at the site. The wells would be pumped at rates selected to
· minimize dewatering the well screens and the potential that the well screens would become fouled
with bacterial growth or iron precipitation. The extracted groundwater will be pumped to the plant's
industrial wastewater plant for treatment with the routine process wastewater generated by the
plant. A work plan will be developed and submitted to EPA and NCDENR for review and approval
prior to implementation of the field activities.
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AECOM GRUB Area Technical Memorandum
Celanese Fibers Operations Site
Shelby, North Carolina
Document 026 SB-298
If you have questions about the data or the proposed work activity, please contact us at (404) 965-
9600.
Yours sincerely,
Jeff Peterman
Project Geologist
~~t;, ~,fir
Project Manger
Bryon Dahlgren
Project Engineer
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Location
C-18 '
C-18
C-18 DUP ·
D-9 •
E-15 ·
F-5 ,
F-14 ·
1-12 •
1-13 ,
1-13 ·
1-14 ,
1-15
1-15,
1-16.
1-16 DUP
1-17 ,
1-18 ·
1-19 ,
IT-6 ·
J-11 .
J-14 ·
J-15
J-15
J-15 ,
J-16 ,
J-17 •
K-15 ·
K-16,
K-28,
L.7 -14.7
L.7 -14.7
L.7 -14.7.
L-6 ·
L-7 ·
L-8,
L-9 .
L-10 ,
L-13,
L-14
L-14,
L-15 ·
L-16
Table 1
Summary of Groundwater Analytical Data
GRUB Area Investigation
CFO Site -Shelby, North Carolina
Diethylene
Parameter Dioxide
Date Units mg/L
Start Depth End Depth
(ft) (ft)
8/26/2009 20 30 < 0.002
9/15/2009 32 42 < 0.002
9/15/2009 32 42 < 0.002
8/26/2009 25 35 0.0165
9/16/2009 29.5 39.5 < 0.002
9/11/2009 15 25 0.0267
9/15/2009 27 37 0.00465
9/10/2009 15 25 0.0518
9/10/2009 15 25 0.0617
9/15/2009 27 37 0.0873
9/15/2009 24 34 0.238
8/28/2009 16 26 0.128
9/14/2009 29.5 39.5 1.88
8/27/2009 18 28 0.115
8/27/2009 18 28 0.11
8/27/2009 11 21 0.005
8/27/2009 19 29 0.154
9/15/2009 32 42 0.22
9/1/2009 30 40 2.56
9/10/2009 15 25 . 0.0498
9/15/2009 27.5 37.5 0.184
8/28/2009 14.5 24.5 0.264
9/15/2009 29.5 39.5 2.76
9/16/2009 38 48 3.54
8/27/2009 9 19 0.0599
8/27/2009 14 24 0.313
9/16/2009 17 27 0.139
9/16/2009 24 34 1.55
9/1/2009 23 28 0.503
9/9/2009 9 19 0.0692
9/10/2009 19 29 2.59
9/14/2009 25 35 3.23
8/26/2009 15 25 2
8/26/2009 15 25 0.113
8/26/2009 15 25 0.142
8/26/2009 15 25 0.11
8/26/2009 15 25 0.143
9/10/2009 11.5 21.5 0.0217
9/9/2009 10 20 0.0045
9/11/2009 19 29 0.106
9/9/2009 13 23 0.294
9/9/2009 12 22 0.104
Shelby_GRUB_GW_DiethyleneDioxide_EthyleneGlycol_0S0SI0.xlsx
Analytical Results Crosstab 1 of 2
Ethylene
Glycol
mg/L
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
54.6
<7
3430
<7
<7
<7
<7
<7
496
<7
49.3
<7
7800
15600
<7
<7
<7
4840
<7
<7
<7
9690
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
printed 5/6/2010
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Table 1
Summary of Groundwater Analytical Data
GRUB Area Investigation
CFO Site -Shelby, North Carolina
Location Date
L-16 • 9/11/2009
L-17· 9/16/2009
M.7 -15.7 9/9/2009
M.7 -15.7-9/14/2009
M-7, 8/26/2009
M-8· 8/26/2009
M-9. 8/27/2009
M-10 · 8/27/2009
M-14 • 9/9/2009
M-14 DUP 9/9/2009
M-15· 8/28/2009
M-15 DUP 8/28/2009
M-16 • 9/10/2009
N-7, 9/10/2009
N-8 • 9/10/2009
N-14, 9/9/2009
N-15 , 9/10/2009
N-18 , 9/14/2009
0-13 9/16/2009
0-15 9/14/2009
0-17 9/15/2009
0-514.5 8/27/2009
V-23 9/1/2009
Notes:
mg/L -milligrams per liter
< -less than referenced value
ft -feet
Start Depth
(ft)
19.5
24
14.5
19.5
14
12.5
13.5
15
9
9
12
12
9.5
15
14.5
9
12
25
16.5
18.5
29.5
15
18.3
Shelby_GRUB_GW_DiethyleneDioxide_EtllyleneGlycol_0S0SI0.xlsx
Parameter
Units
End Depth
(ft)
29.5
34
24.5
29.5
24
22.5
23.5
25
19
19
22
22
19.5
25
24.5
19
22
35
16.5
28.5
39.5
25
23.3
Analytical Results Crosstab 2 of 2
Diethylene
Dioxide
mg/L
0.929
0.323
0.0264
0.137
0.331
0.178
0.333
0.0294
0.0835
0.08
0.231
0.227
0.0273
0.314
1.29
0.0245
0.0806
0.407
0.0768
0.083
0.36
2.58
Ethylene
Glycol
mg/L
<7
132
<7
89.3
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
<7
6190
printed 5/6/2010
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Location
C-18
0-9
F-5
F-5
1-12
1-13
1-15
1-16
1-17
1-18
J-11
J-15
J-15DUP
J-16
J-17
L.7 -14.7
L-6
L-7
L-8
L-9
L-10
L-13
L-14
L-14
L-15
L-16
M.7-15.7
M-6
M-7
M-8
M-9
M-10
M-14
M-15
M-16
N-7
N-8
N-14
N-15
0-5 / 4.5
Table 2
Summary of Soil Analytical DAta
GRUB Area Investigation
CFO Site -Shelby, North Carolina
Diethylene
Parameter Dioxide
Date Units mg/Kg (dry)
Start Depth End Depth
(ft) (ft)
8/25/2009 5 10 < 0.0126
8/25/2009 0 5 < 0.012
9/10/2009 5 9 < 0.0124
9/10/2009 16 18 < 0.0123
9/10/2009 0 5 < 0.0114
9/10/2009 5 9 < 0.0134
8/27/2009 5 9 < 0.0118
8/27/2009 0 5 < 0.0119
8/27/2009 5 9 < 0.0114
812712009 0 5 < 0.0112
9/10/2009 0 5 < 0.0116
8/27/2009 0 5 < 0.0132
8/27/2009 0 5 < 0.0131
8/27/2009 5 9 < 0.0133
8/27/2009 0 5 < 0.0109
9/8/2009 -0 5 < 0.0109
8/26/2009 0 5 <0.0117
8/26/2009 0 5 < 0.0117 UJ
8/26/2009 5 9 < 0.0129
8/26/2009 0 5 < 0.0119
8/25/2009 5 9
9/9/2009 11 12 < 0.0141
9/9/2009 0 5 < 0.013
9/9/2009 9 12 < 0.0154 UJ
9/9/2009 5 9 < 0.0112
9/9/2009 0 5 < 0.013
9/9/2009 0 5 <0.0111
8/26/2009 0 5 <0.0118
8/26/2009 5 9 0.107
8/26/2009 0 5 · < 0.0121
8/26/2009 5 9 < 0.012
8/26/2009 0 5 < 0.0113
9/9/2009 5 9 < 0.0126
8/28/2009 0 5 < 0.0111
9/10/2009 5 9 < 0.0116
9/10/2009 0 5 < 0.0119
9/10/2009 5 9 < 0.0116
9/9/2009 0 5 < 0.0115
9/10/2009 0 5 < 0.0115
8/27/2009 0 5 < 0.0114
Shelby_GRUB_SO_DiethyleneDioxide_EthyleneGlycol_0S0SI0.xlsx
Analytical Results Crosstab 1 of 2
Ethylene
Glycol
mg/Kg (dry)
< 8.8
<8.4
< 8.66
< 8.61
<8
< 9.37
< 8.2
< 8.3
<8
< 7.8
< 8.11
< 9.2
< 9.1
< 9.3
< 7.6
< 7.66
< 8.2
< 8.2
<9
< 8.3
< 9.6
< 9.9
< 9.12
< 10.8
< 7.83
< 9.13
< 7.78
< 8.3
< 8.6
19
<8.4
< 7.9
< 8.79
< 7.8
< 8.11
< 8.34
< 8.15
< 8.02
< 8.05
<8
printed 5/6/2010
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Table 2
Summary of Soil Analytical DAta
GRUB Area Investigation
CFO Site -Shelby, North Carolina
Location Date
Notes:
mg/Kg -milligrams per kilogram
ft -feet
< -less than referenced value
Diethylene
Parameter Dioxide
Units mg/Kg (dry)
Start Depth I End Depth
(ft) (ft)
Ethylene
Glycol
mg/Kg (dry)
UJ -analyte not detected; the associated detection limit may be inaccurate or imprecise
Shelby_GRUB_SO_DiethyleneDioxide_EthyleneGlycol_050510.xlsx
Analytical Results Crosstab 2 of 2 printed 5/6/2010
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• ••
• •
/
•
/
\.: --
eo.s
x
..
-"('~
..\-
,./ ef-5 0.5-4.S #K-28
el,4!>
eL,-7 ,;,.-1 ~7
el,4!> ,;,.a ....
eL,-9 .M-9
eL,-10 ,;,.-10
el,-17
X
• •
v-----
-----~
~-
AS'COM
APRIL20
LEGEND
V-23. MONITORING WELL LOCATION
IT~♦ INJECTION WELL LOCATION
L-13• DIRECT PUSH SAMPLE LOCATION
NOTE:
SUMMARY OF GRUB AREA INVESTIGATION
AUGUST 25 THROUGH SEPTEMBER 16, 2009:
• 50 DPT LOCATIONS
• 39 SOIL SAMPLES ANALYZED
• 58 GROUNDWATER SAMPLES ANALYZED
• 3 WELLS ANALYZED
0 50 100
SCALE IN FEET
FIGURE 1
SAMPLE LOCATION MAP
CNA HOLDINGS, INC/TICONA
SHELBY, NORTH CAROLINA
200
797
L:lworl<\earth\ATLANTA Cadd Flles\79750 Shelby\79750_061 Flgure1_Grid Layout with Sample Locatlons.dwg, 4/14/2010 3:13:23 PM, stubblefieldr
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<)
X
--780--C-18
.[784.74)
X
-\
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X ,-..._~
l
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(~
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---
AECOM
795
MAY2010
LEGEND
V-23e MONITORING WELL LOCATION
IT-6♦ INJECTION WELL LOCATION
L-13• DIRECT PUSH SAMPLE LOCATION
[785.69) DPT (MODEL 6010) REFUSAL ELEVATION
DPT (MODEL 6010) REFUSAL ELEVATION
CONTOUR
NOTE:
SOME CONTOURS LEFT OUT INTENTIONALLY
FOR CLARITY.
0 60
SCALE IN FEET
FIGURE 2
DTP REFUSAL ELEVATION
CONTOUR MAP
CNA HOLDINGS. INCfTICONA
SHELBY, NORTH CAROLINA
79 50
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.,,,.-
-~ ,x I t \
I I
e F-5 I \ I (803.3)
\1 ~ I
I
(804.6) \
V
\
\
\
e E-15
(804.9]
C-18
•1806.89]
\
\
o:> 0 0)
.,,,.
Vi
\
t
o:>
CX) o:> 0
0 0 w
(Jl .i::,.
-\-'
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~ ~
~
~ <:P 0 0
~ .,> R Q-
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AECOM
LEGEND
V-23 e MONITORING WELL LOCATION
IT-6 _._ ..,..-INJECTION WELL LOCATION
L-13 e DIRECT PUSH SAMPLE LOCATION
[798.5] GROUNDWATER SURFACE ELEVATION
(DATA COLLECTED BETWEEN 8/26/09 TO 9/16/09)
800 ---POTENTIOMETRIC SURFACE CONTOUR
0 30 60 120
SCALE IN FEET
FIGURE 3
POTENTIOMETRIC SURFACE CONTOUR MAP
GRUB AREA
MAY 010
CNA HOLDINGS, INC/TICONA
SHELBY, NORTH CAROLINA
79750
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• K-28 ,
o.~.5• <7/0.503(25.5)
,"3/,
-----------e F-5 · <7/0.0267(20)
t.. 1 ,.,.,.........,
\
\
e o-9 · <7/0.0165 (30)
• F-14e <7/0.0047 (32)
( --... --·'i
I
'· I
i
---,
J-11 • .<7/0.050 (20)
N-7 · •M-7. .<7/9,814 (20) <7/0.331(19)/
<7/0.178(17.5)
e M.a · e N.a , <7/1.29(19.5)
e M-9 · <7/0.333(13.5)
e M-10 · <7/0.029 (20)
1-12• • <7/0.052 (20)
<7/0.087(32)
•'·13 ·
•J-13 <7/0.062
L-13 · .<7/0.022 (16.5) e o.13 • <7/NA (12.6)
<7/0.106J 24) <7/0.084(14)' eN-14 .
e J-14 · • L-14. e M-14 <7/0.025(14)
49."3/0.184(32.5)
6 190/2 58(20 5)A9,690l3.23(30) 0-15 <7/0.139(22) • . ,v."23-L.7-14.7-eN-15 , e <7I0.081 (23.5)
• E-15•1 '
, . -15e ·J-15e · K-15. • L-15. e M-15 . <7/0.081(17) Q.O 71
3,430/1.88 34.5) 15,60013.54 (43) <7to.294 (18) <7/0.231 (17)
<7/<0.002 (3'4.5) , , l ,..-· ---
//
'
e-18 · I : ______ ~--
•<11<0.002(37) L._______/
<9'/0.1 5i 3) <7/0.929
• , L-16.
'. ' 1-16 • J-16• K-16 •
496/2.56(35)♦ M.7-15.7 , IT-6 <7/0.137 (19.5)
L e M-16, 8't .J <7/0.0273
1 ·117. <f/0. 5(16) '
<7/0.060(14) 4,840N .55 (29)
•J-17· <7.0.313(19)
e L-17· 132/0.323 (29) 0-17
.<7/83(34.5)
~.OJ]
e N-18 ' <7/0.407(30)
/
A:COM
55/0.238
(20)
NOTE:
LEGEND
MONITORING WELL LOCATION
INJECTION WELL LOCATION
DIRECT PUSH SAMPLE LOCATION
ETHYLENE GL YCOU DIETHYLENE DIOXIDE
CONCENTRATIONS IN mg/L
SAMPLE DEPTH IN FEET BELOW GROUND
SURFACE
BOTTOM OF EXCAVATED AREA
TOP OF REDEPOSITED STABILIZED
REMEDIATION RESIDUALS
THE LOCATION OF M-15 AND M-16 ARE APPROXIMATE.
0 25 50 100 ~--
SCALE IN FEET
FIGURE 4
ETHYLENE GLYCOL AND DI ETHYLENE DIOXIDE
CONCENTRATIONS IN GROUNDWATER
APRI 2 1
CNA HOLDINGS, INC/TICONA
SHELBY, NORTH CAROLINA
7 750
L:lworklearth\ATLANTA Cadd Flles\79750 Shelby\79750_075 Figure 4_Compreheosllle EG and DEDO concenlratlons.dwg, 4/14/2010 3:19:11 PM, stubblefieldr
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C-18
<«!02 (20-30)
-· --· -· -· -_., __ '
i ·,
\ .,;
-/
/
/
• K-28 0.5-4.5. 0.503 (23-2~
eF-5 0.0267 (15-25) -----0.36 (15-25) /
./ /
/
(
I
•M-7 •~J14(15-25\ \0.113 (15-25) 0.331 (14-24)
/ 0.142 (15-25) Gfa.o 1
1
/ L-8. eM-s eN-a ,;:i"t)
/ 0.178(12.5-22.5 1.2 14.~24.5) / O·
I ,,,,, / I L-• 0.33.~~95_::.3-~.,.,,,. /
0.11(15-25) / / /
I j ,,,,,
\0.143(15-25) /
'----1 ,L·10· ,;:i~d)•~;t(15-25) ---1 ~ I
/ J-11 / •o.oso(1s-25> I / I
/ , I 1-12 \ I • 0.052 <1s-25) \
\ I o.0611(1s-25> ,
I e l-13 eL-13 ....._ •0-13
, •J-13 0.0217(11.5-21.5) '-. 7'1A(16.5-16.5)
D
: ,' I 0.062 , ,
; J ",cP o.0045(10-20> • et.J.14 \
\ / 1-14. /4v· .J. L-14. 0 0835(~--11:) 0.0245(9-19) \
I 0.184(27.5-37.5 . ---~ --y. / 0 06 \ , ---·~-I ~,,,,, 2.58 ,18_3-23_3>~/g.19l o.0168(10.s-2s.s1
f
, / 0.139(17-27) V-2~,VL.7-14.7 eN-15 •0·1~
,....._-----... , ·--. , 1•1se J.1se K-15• L-15f · •M-1 0.0806(12-2.2) 1 E-15. . \ \ , ' i jo.128(16-26) 0.264 (14.5-24.5) 0·294 (1 23) 0.231 ("12-2
I -' \ I \ ♦ M.7-15.7 /
.
'·-.• -·· '·, 1 \ ' L 16 IT-6 0.0264(14.5-24.51
I • '! I !,0.1 5(18-28) • . /
, I ' \ • I-6. J-16. • 104(12-22) ·M-16 /
, 1 \ ! '-. 0.060( 9) K-16 · 0.0273(9.5-1~ _-
1 I \ ~ .,-------
i '"-I /
; \ O ~;. ,t7 / I/ •L-17
1(11-21~ / (~4~2~ /
! / ~154 / ,' / / _us-291/ / I
( 1-fs / 0,o/
'-./ 0--
I
L , , -., --
f
\
\
\
\
<0.002
(15-25)
-10-
NOTE:
LEGEND
MONITORING WELL LOCATION
INJECTION WELL LOCATION
DIRECT PUSH SAMPLE LOCATION
DIETHYLENE DIOXIDE CONCENTRATIONS IN
mg/L (SHOWN WHERE DATA ARE
AVAILABLE)
SAMPLE DEPTH IN FEET BGS
BOTTOM OF EXCAVATED AREA
TOP OF REDEPOSITED STABILIZED
REMEDIATION RESIDUALS
CONCENTRATION CONTOUR
DASHED WHERE INFERRED
1. THE LOCATION OF M-15 AND M-16 ARE APPROXIMATE.
2. BGS: BELOW GROUND SURFACE
0 50 100 200 ~--
SCALE IN FEET
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• K-28 0.5-4.5. <7 (23-28)
<7 (15-25) <7 (15-25) ,,. ,..,,..---,..,,..-----
r·---------··--""i
I
~\\ 'i \ '
;·-··-··-.. ,
I
\
\ L-8.
', <7 (15-2~
•M-7 <7 (14-24)
<7 (12.5-22.5)
•N-7 <7 C,5-25)
eM-8 eN-8 <7 (14.5-24.5)
eM-9
/
e0-9 <7 (25-35) i
' <..· :-·•-.:: .:,t
L-ge
<7 (15-25) <7 (13.5-23.5)
C-18
.<7(20-30)
~ ! i I
i '· i i ... _ ,_
' ·· .....
J-11 .<7 (15-25)
1-12
.<7 (15-25)
L-10•
<7 (15-25)
eM-10 <7 (15-25)
<7 (15-25)
e l-13
•J-13 •L-13 <7 (11.5-21.5) e 0-13 <7 (16.5-16.5)
I
' i
F-14. ' ~ <7 (27-37) ~ -~ ----->~ -
•J-14
<7(W-20)
L-14.
6,190(18.3-23.3
V-2 t' i 1-14.
<7 (17-27)
1, -'-J 15e K-15e L-15. I -' -' -114 <7 (14.5-24.5) <7 (13-23)
E-15. , ' \
1
' ;' <7 16-26)
, <7 (12-22)
I I
,,,_,, ', ):, \, l-1~8-28)J-16. ·K-1~-16•
<7 (9-19)
I I I
1-19-,
(
·,
eM-14 eN-14
< (9-19) <7 (9-19)
<7 (9-19) 0-15
L.7-14.7 .<7 (18.5-28.5) eN-15 M-15 <7 (12-22)
<7 (12-22)
♦ M.7-15.7 IT-6 <7 (14.5-24.5)
e M-16 <7 (9.5-19.5)
e N-18
\
J
AS'COM
<7
(15-25)
-10 -
NOTE:
LEGEND
MONITORING WELL LOCATION
INJECTION WELL LOCATION
DIRECT PUSH SAMPLE LOCATION
ETHYLENE GLYCOL
CONCENTRATIONS IN mg/L (SHOWN
WHERE DATA ARE AVAILABLE)
SAMPLE DEPTH IN FEET BGS
BOTTOM OF EXCAVATED AREA
TOP OF REDEPOSITED STABILIZED
REMEDIATION RESIDUALS
CONCENTRAION CONTOUR
1. THE LOCATION OF M-15 AND M-16 ARE APPROXIMATE.
2. BGS: BELOW GROUND SURFACE
0 25 50 100
SCALE IN FEET
FIGURE4B
ETHYLENE GLYCOL CONCENTRATIONS
IN GROUNDWATER LESS THAN 25 FEET BGS
CNA HOLDINGS, INC/TICONA
SHELBY, NORTH CAROLINA
7 7
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e D-9 0.0165(25-35)
I I
/
~-·-
\
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•-,_M _O -••-••--••-•,
<.,_
\ ;
--•·-••-·· .... ··-·.,
• K-28
0.5-4.5.
\ !·:;• ., .. 12
' I
\ ~\ -97_13 ------el·1;------......._.A0-13
, -I •J-13 ~ ?-I \
/ i 1
_ ---_ N-14 \
// , -,1.....-----eJ1:;---c4. ·M-14 -., \
./ 1-14. ll4 • ---'\. 0.00465(27-37)/ • F-14 ✓-,-_ -_, 0.238(24-34) 0.1 (27.5-37.5) " \
I /.,·--; / ·--------• 0-15
1 I\ < .. 1, _1se J .. 1se K-1se L-1se \
\ \ \. '1,a8 c2 .5-39.5) 2.16 (29.5-39.5)
\, ).._ i 3.54(38-48) 2.56(30-40~M.7-1 5.7 \
! -' \ ·, ,. .. , ......._,_ f _ 0.929(19.5-29.5) IT-o \ , ·-' , ' -L-16.
\ , '-_, ,_ 6• J-1~ •K-16 \
i I r----.......__ 1.55(24-34) ~
\., \ : -~ \
1 'f... ' 1 •L-17 0-17 I
I f 117. .J .. 1] 0.323(24-34) •o.083(29.5-39.5)
C-18
•<0.002 (32-42) ~-J !', i(·"• ,_, )
I '\. I /
I "-\ I i 'v 1-19e /
; \" ~2(32-42) -/
i ,~ ....... , ............ ----
1 , r -- -------0.01 -
--
(
\
l
LEGEND
V-23. MONITORING WELL LOCATION
IT-o ...
L-13e
<0.002
(1 5-25)
-10 -
INJECTION WELL LOCATION
DIRECT PUSH SAMPLE LOCATION
DIETHYLENE DIOXIDE
CONCENTRATIONS IN mg/L (SHOWN
WHERE DATA ARE AVAILABLE)
SAMPLE DEPTH IN FEET SGS
BOTTOM OF EXCAVATED AREA
TOP OF REDEPOSITED STABILIZED
REMEDIATION RESIDUALS
CONCENTRATION CONTOUR
DASHED WHERE INFERRED
NOTE: )
1. THE LOCATION OF M-15 AND M-16 ARE APPROXIMATE.
2. SGS: BELOW GROUND SURFACE
0 25 50 100 ,----
SCALE IN FEET
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\
\
eo-9 <7 (25"35)
• C-18
<7(32-42)
F-14.
<7 (27-37)
..... -··--··-· -··--·-'
<.,_
! ;
-··-· ____ .. l
i I
i -~
/ , _;·-··-·--/ i j
;-·•-.. ::~
L-10•
• K-28
0.5-4.5. <7 (23-28) -
~ -/ ,,,,,,.---
/
(
e 0-13
0-17
.<7 (29.5-39.5)
eN-18 <7 (25-35)
A:COM
LEGEND
V-23. MONITORING WELL LOCATION
INJECTION WELL LOCATION
DIRECT PUSH SAMPLE LOCATION
<7
-10 -
NOTE:
ETHYLENE GLYCOL
CONCENTRATIONS IN mg/L (SHOWN
WHERE DATA ARE AVAILABLE)
SAMPLE DEPTH IN FEET BGS
BOTTOM OF EXCAVATED AREA
TOP OF REDEPOSITED STABILIZED
REMEDIATION RESIDUALS
CONCENTRATION CONTOUR
DASHED WHERE INFERRED
1. THE LOCATION OF M-15 AND M-16 ARE APPROXIMATE .
2. BGS: BELOW GROUND SURFACE
0 25 50 100
SCALE IN FEET
FIGURE4D
ETHYLENE GLYCOL CONCENTRATIONS
IN GROUNDWATER GREATER THAN 25 FEET BGS
OCTOBER20 0
CNA HOLDINGS, INC/TICONA
SHELBY, NORTH CAROLINA
79750
820.0 810.0 800.0 790,0 780,0 770.0 I ' ·1 I " :-1 820.0 810.0 800,0 790,0 780,0 770.0 NORTH 1-6 ELEV. 811J,6S NORTH 820.0 L-6 ELEV.613.illl L-7 ELEV, 812.4 L-8 L-9 CROSS SECTION LINE I -330' 1-11 1-12 1-13 1-14 1-15 ELEV. 819.27 ELEV. 819.76 ELEV.819.8 ELEV. 819.5 ELEV.619.14 l~ 0.052. ~ <7' TOAT 25.0 FEET ,.·,.,} 0.057 <7 TDAT37.0 FEET {),;{;16.) M.6c TDAT3<1,0 FEET ,,, l [:I . . L 0.12e1'~ .:7l-; i,88, 3,430~1 TDAT39.5 FSET CROSS SECTION LINE L -271' L-10 L-11 L-13 L-14 1-17 ELEV. 819.36 1-16 ELEV. 819.31 SAPROLlfE SOUTH 1-19 1-18 REV,810.9~ ELEV. 822.31 820.0 FILLJRESIOUUM 810.0 800.0 790,0 780.0 770.0 SOUTH 820.0 L-15 ELEV.H1 !.' L-16 fl FV. 811.fJ!l L-17 ELfV. ~11.~ ELEV. 610.32 ELEV.810.15 ELEV. 810,22 ELEV. 010.62 ELEV.810.69 ELEV.611,03 810.0 -SAPROUT-E'-800.0 !.'. ! 790.0 ,;ll.J 0.133 0.142u o_.1.l[J <7tLJ ..:.T <:7 .. lUAT25,0 TDAT25.0 FEET FEET TDAT25.0 TOAT25.0 >SET FEET 780,0 770.0 NORTH 0_143 <7'. TOAT25,0 FEET FILURES/DUUM SAPROll'rE-•'".; .. '.'i'1°!1'r'.'fo, _0,022 • <1 ---·-· --¼t0045-i' .. -I 021)4 <7 TDAT25.0 !),1"04 •7 TDATZS.O 0,H}fi~ FEET <7 ;'J FEET mAT2!5.0 C-,829t FEET <7 S V TDAT29.0 FEET TD AT 29.5 FEET CROSS SECTION LINE 0 -325' 0,323 132 TOAT34.0 FEET 810.0 800.0 790.0 780.0 770.0 SOUTH 0-10 0-13 0-14 0-15 0-16 0-17 0-19 0-6 0-7 0-8 mv. "'·"' ELEV.'"·" mV.8">' ELEV."''"' ELEV.'1S'6 ELEV,'"·°' EL£V, 800.77 !::LEV. t'hllib3 ELEV, 809.4 ~,:~~~-·;f?:->;:; r·~: WEATHERED ROCK ~.-J,:~'. c'.'C'.-1., 0.t)fl1 <1 TOAT40,0 FEeT 820.0 810.0 800,0 790.0 780,0 770.0 820.0 810.0 800.0 820.0 810.0 800,0 NORTH J-10 ELEV.818.31 w :1,,!.',i'J/: <1 CROSS SECTION LINE J -175' J-11 ELEV, 816.21 J-14 ELEV, 1114,94 FILL --J-15 ELEV. 814.49 ·_:SAPROUTE · -"'ff . (,+• ! n-204t <?-· SOUTH J-16 J.-17 ELEV.816.79 ELEV. 814& o.1uf •7, 790.0 TD25.0' TD25.(I' l,_ :':, TD25.0' 780,0 770.0 760,0 NORTH M-6 !:LEV. 810.76 M-7 ELEV. 809.fill M-8 ELEV, 810.02 0.184 l 49.3: 1037.5' 2..76 7.800 "', CROSS SECTION LINE M M-9 ELEV. 609.09 M-10 ELEV. 809.23 -278' M-11 ELEV. &J9.18 M-13 M-14 ELEV. 809.65 ELEV. 810.04 FIWRESIDUUM --:-:-----SAPROLITE 190,0 ,sz. _ -~' / ~tl , ".,,, ZONE OF DPT REFUSAL.¥~i~1,-, (j '\< ·<7 .'. , , __ :.:.r_,_ _ AT25.0 -,-,-::--.:;r~ ~--;ii:;-~c;:. ET TOAT250 -';:";:12,:;;~ ~ ,:_/:;::;,.. FEET 780.0 ...;b,~.,..~~-:;--;-:~:HERED Q,-02>) ~,7 TDAT25.0 FEET 4€~-~ ~T~~:2_::~ -~-.:-.. ,:t~l''··"' ~.'" ~~,JittJ~:;f~~·1}~-;:i:1-:;\:..-,;.,1.;::;_;.~ ZONE OF DPT REFUSAL ::.:; i.:itc.~:rr -·:' r L LEGEND L-13 SAMPLE I.D. ELEV. 810.69 GROUND SURFACE ELEVATION (FEET, MSL) ~ ~ 't' 0.052 54.6 1. j DPT WELL SCREENED INTERVAL GROUNDWATER ELEVATION (DATA COLLECTED BETWEEN 8126/09 AND 9/16/09) CONT ACT {DASHED WHERE INFERRED) GROUNDWATER CONCENTRATION -(DIITHYLENE DIOXIDE. mg/L)-(DATA COLLECTED BETWEEN 8/26/09 ANO 9/16/09) GROUNDWATER CONCENTRATION. (ElHYLENE GLYCOL, mg/L) • (DATA COLLECTED BETWEEN 8/26/09 AND 9/16/09) FILLJRESIDUUM {PATTERNED WHERE SOIL SAMPLES AVAILABLE FOR VISUAL DESCRIPTION) SAP ROUTE (PATTERNED WHERE SOIL SAMPLES AVAILABLE FOR VISUAL DESCRIPTION) WEATHERED ROCK (PATTERNED WHERE SOIL SAMPLES AVAILABLE FOR VISUAL DESCRIPTION) l~i;~t:;xFcj ZONE OF DPT REFUSAL (INFERRED FROM DEPTH TO REFUSAL) 820.0 810.0 800.0 790.0 780,0 770.0 760.0 NORTH 820.0 K-6 ELEV, A14.3 810.0 800.0 790.0 780.0 770.0 SOUTH NORTH 820.0 820.0 M-17 ELEV. 810.86 810.0 810,0 N-6 ELEV.809.3 N-7 ELEV. 800.01 N-8 ELEV. B08.i!§. 800,0 800.0 790,0 790,0 03~4 <7 1-1 I 1,29 <7 TDAT23.0 FEET TDAT25,0 780,0 780.0 FEET 770.0 CROSS SECTION LINE K ~250' K-11 K-13 18..EV. 811.31 ELEV,811.64 ' CROSS SECTION LINE N -279' SOUTH K-14 K-15 K-16 EL.EV. 812.o:l ELEV. 812.4 ELEV.813.1 ' "'-' G.":J9 <7 11 TDAT27,0 Fm , 1.55 4,840 I I TDAT34.0 FEET SOUTH N-17 N-18 820.0 810.0 800.0 790.0 780.0 770.0 820.0 N-13 N-14 ELEV.811.74 ELEV.81Ulf N-15 ELEV. 612.21 ELEV.1112,11 i::u:v. 812.67 N-10 ELEV. 810,02 810.0 FILL/RESIDUUM ------_,..._-----.:-:-:: .,..._ ::-: /SAPR..00:JE:.-.-. MAY 2010 SAPRO~IJ!:·: ~11~.~~ 0 20 40 HORIZONTAL SCALE IN FEET D.407 <7 i TDAT 35.0 FSET 80 FIGURE 5 GRUB AREA 800,0 790.0 780,0 770.0 NORTH -SOUTH CROSS SECTIONS CNA HOLDINGS, INC/TICONA SHELBY, NORTH CAROLINA '-/ .. ! \ \ ' ' \ '"\ . \ 60135442
830.0 820.0 810.0 800.0 790.0 780.0 830.0 820.0 810.0 800.0 790.0 780.0 770.0 CROSS SECTION LINE 13 -202' WEST EAST 830.0 1-13 ELEV. 819.B <!k-D.115 <7[_ TDAT30,0 ,m 0.087 WEST ., TDAT:.7.0 FEET H-16 ELEV.822.7 J-13 ELEV.815.1 M-13 N-13 0-13 o, 11sD <7" TDAT30.0 FEET K-13 Ellel/.811.84 L-13 ELEV. Bt0.89 tLE:.V.809.~.812,69 FILL/RESIDUUM Q-13 EI..EV.804,6 NA . WEATHEREO ROCK SAPROLlTE OM,! I _.· /~" ,:=:;--<?~: -.--.· .... /.✓~---~-' __ '-~-~~~,t~:~;~;f_-~:~\ili'-~_-. -. . . . -· ~ . •. ----OF-M:S~••:· . --/1r/,'~,_;-\'-,,;::~,.:::i:_; :-_-'.·-• -,_ -~ TDAT25.0 1-1:ET CROSS SECTION LINE 16 -127' -----------------EAST K-16 ELEV,813,1 L-16 M.7-15.7 0-16 ELEV. 813.4-5 -ELEV.811,l!B ELEV. 812.13 P-16 EI.EV,810.1S FILL/RESIDUUM Q-16 820.0 810.0 800.0 790.0 780.0 ELEV, 804,3/;i '·.::-::::\71f.,:t:At:: ···]:.!: :·-:·._f;>s.1:~: '"I 4.840; TDAT34,0 FEET B onil <7~ TDAT 29.5 FEET <7f 0.137 89.3 TDAT 30.0 FEET . WEATHERED ROCK 830.0 820.0 810.0 800.0 790.0 780.0 770.0 830.0 820.0 810.0 800.0 790.0 780.0 770.0 WEST F-14 ELEV. 824.38 FORMER GRUB DISPOSAL AREA / H-14 n \ ELEV, B22.00 / I ...,__ ~I 0.004 ,7 TOAT37.0 FEET· 0.238 54.! ·~ TDAT 34.0 FEET WEST 830.0 H-17 El.EV. 622.66 CROSS SECTION LINE 14 J-14 ELEV.814.94 -273' K-14 L 14 1 N-14 ~Jtrn "--iELEV. 812.()3 -M-4 ELEV. 812.07 I ' . ELEV,811,03 EL~ .......... !::::::::ri I I IALL'RESIDUUM SAPROUTE P-14 ELEV.809.7 . ,<:"":_~ "";:-..--,. r--:----~u-r _.<71J::k:c:.,'.;~~ ~!'Ti-i-ERE;D,ROQK, ' · -0.184 49.: TDAT37.5 FEET •-~---~-·-·~''-~'-. ;'/-·,« ' : )Q'1ir-2iA. '.-· -• CROSS SECTION LINE 17 -227' EAST EAST Q-14 8..EV. 804.i.8 830.0 FILURESIDUUM 820.0 810.0 800.0 790.0 780.0 770.0 h·:.:•j~~~ ... 0::00.S ~t~•l· ,,~}1 :c~:,_~~fi'~t~±~'.J.'~{~:-TD F~~~5.0 -~")·\:;fi{~:f 1J~t~ -, \ \ \ SAPROUTE -~ .. 0.323 C 132 -L-17 M-17 ELEV. 811.99 ELEV. 810.!!6 TD AT 34.0 ,ecr N-17 ELEV,!ij 0-17 ELEV. &13.86 -~:'::: ;-. " <7 TDAT40.0 ,m 820.0 P-17 ELEV. 810.23 810.0 Q-17 ELEV.803.99 800.0 790.0 780.0 770.0 830.0 830.0 820.0 820.0 810.0 810.0 800.0 800.0 790.0 790.0 780.0 780.0 770.0 770.0 760.0 CROSS SECTION LINE 15 -299' WEST EAST 830.0 E-15 FORMER GRUB ELEV. 825A f-15 DISPOSAL AREA H-15 rr----i:'~"~v~. ':':'-~"--J~---J ELEV. 822.47 -~ 'f" <fJ,002' <7 TD AT39.5 ,ecr 1,68 3,430 •= TO AT 3M "'" o:.264,f < !· 2,76 ~ 7,800 L-13 K-15 ELEV. 812.4 -0.294 t TD"A.T25.0 FEET-o:·,j:sg' . ,;7i 1 T:iA.T21.0 ,m TDAT39.5 ,m -q LEGEND SAMPLE I.D, L-15 ELEV. ~11.1 O.O<W <7 N-15 0-15 L.7-14.7 ELEV. 812.21 ELEV. 812.0' ELEV. 61[,,,2 _ mJ SAPROLITE t o.@1 r <7 TDAT:25.0 TD AT 26,0 FEET l"EET TDAT29.0 "" '• ' 0.07711,_• <7 ,_ .:;1;:ttFUSAL AT _ ~';.-=:rz29.0 FEET P-15 ELEV. 810.53 820.0 810.0 Q-15 ELEV. 604.47 800.0 790.0 780.0 770.0 760.0 ELEV. 810,69 GROUND SURFACE ELEVATION (FEET, MSL) ~ ~ y 0.026 89.3 l I: , . • 'I ~TTY· ",Q iii-i~±-;_::.~;~{ DPT WELL SCREENED INTERVAL GROUNDWATER ELEVATION (DATA COLLECTED BETWEEN 8/26/09 AND 9/16/09) CONTACT (DASHED WHERE INFERRED) GROUNDWATER CONCENTRATION-(DIETHYLENE DIOXIDE, mg/L) • (DATA COLLECTED BETWEEN 8/26/09 AND 9/16/09) GROUNDWATER CONCENTRATION-(ETHYLENE GLYCOL, mg/L)-(DATA COLLECTED BETWEEN 8126/09 AND 9116/09) FILURESIDUUM (PATTERNED WHERE SOIL SAMPLES AVAILABLE FOR VISUAL DESCRIPTION) SAPROLITE (PATTERNED WHERE SOIL SAMPLES AVAILABLE FOR VISUAL DESCRIPTION) WE;ATHl;;:RED ROCK (PATTERNED WHERE SOIL SAMPLES AVAILABLE FOR VISUAL DESCRIPTION) ZONE OF DPT REFUSAL (INFERRED FROM DEPTH TO REFUSAL) 0 20 40 HORIZONTAL SCALE IN FEET 80 FIGURE 6 GRUB AREA EAST -WEST CROSS SECTIONS MAY2010 CNA HOLDINGS, INC/TICONA SHELBY, NORTH CAROLINA \ ) I -\L 'I ) \ \ i __ ,\ \" ' \. I.,' ' . --) ,:. ·~ .. 60135442
I AECOM 11
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I Attachment A
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Summary of Field Data
GRUB Sampling Event
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GRUB Area Groundwater Field Screening Results
CFO Site -Shelby, North Carolina
Grid Date
Sample
Interval
feet
C-18 08/26/09 20-30
C-18 09/15/09 32-42
M$Q;091!111 1108/26/091' _2_5135-
Ethylene Glycol
Field Screen
Screen inn
mq/L
<1
E-15 09/16/09 29.5-39.5 <1
lilllfi:'1.4\1\B, !I09/,15/09it. !11127~37-IIIIII E,IIIIIHla
F-5 09/11/09 15-25 <1000
ilit1!ill,J 2-· :IW,09/10/09:!( M.15°25i!III ~,ill'
1-13 09/10/09
1-13 09/15/09 27-37 <1
ai■1!r4-!I09/15/09"i'i! \a24[3l!llll ~2~3 ...
1-15 08/28/09 16-26
1-15 09/14/09 29.5-39.5 >4000-<5000
11a1:15~ 1108127109w -.18J2811~
1-17 08/27/09 11-21 -,------::::---
~l'.181W r":08/27/09 • N19,29111,". Al!l'llll;'.~.M:
1-19 09/15/09 32-42 <1
,r,r ·•~ 11;-6. • ·:, ·, · 09/01 /09 ,liJii~ 30I40\l!, ~:.:,., :St"!,
J-11 09/10/09 15-25
ie,:,. ")'13 ' ·•. 09/10/09 ••-15-25\llt l'tl"l!l!i!"~"•··,"~
J-14 09/15/09 27.5-37.5 >15 -<1,000
;r·;•:·1:J:15,';;)•.:·• ,· 08128109 ,: i\!i14:5'24\5Ja --~-•
t,1:, ! '.'1;'•Ll,,15j/liilL ii 09/15/09:C, 129:5,39!5.I lf'l',10000~15000)1
,t· . :·,1,15'.;'f.•~ •:• 09/16/09 .. lJ!i1! 381".48• Q,11315:000:•:t.~:
J-16 08/27/09 9-19
-:J/ ,'J,17'.!Zu''.Cl, '• 08/27/09:;; :\!ll;:.'14f24Jl!il' -•)~~,li''J!lii
K-15 09/16/09 17-27 < 1
:;.,t;,•' K-16 :-!:.•,,. "09/16/096 l!l'l'·24,34~•LW i!lli>6000"<8000!!l·
l.7-14.7 09/09/09 9-19 <1
L.7-14.7 09/10/09 19-29 15,000
L.7-14.7 09/14/09 25-35 >10000-<15000
M'' •1!!06:J;;;,11•· :.'08/26/09,it llt.15f25lllll-'''\9"'''1!!'ll:'
L-07 08/26/09 15-25
li~>i"l.!!08'ilClilf ii,08/26/09hi •'15:25\iliill! ■llat,11itt1·1-
L-09 08/26/09 15-25
1!iil~ll!f.1 0~-1i'J'08/26/09+l, -15.~25W ~■---
L-13 09/10/09 11.5-21.5
~·· .:.:1!!14,J!\!;j·· :no9/09/09i: •:10!201•1-.r~-W!!i\l'il.
L-14 09/11/09 ,·•" 19-29, ,' :i,r: .\t:<1000 ·
L-15 09/09/09 13-23
,;..,, · l:'16. ,f,i-i ,09/11/09. ,1~9:5:29.51\f :1rii~lii!1200011:: ;'tiii1
L-17 09/16/09 24-34 >3-<4
,,,.-. M-0 7 •,HA:' i, · . 0 8/2 6/0 9' . ,,lj:;,14' 2 4 'Iii\,;, l!~oll!!!i,:J'-''.\!~ii·.;:: ilii•i•
M-08 08/26/09 12.5-22.5
1iit1i >', M~09,1t,ilillm:_ 7\\::,08/27 I09t ii~t,i.13'.'50-i -l~~~Jl~H:~\ji]'.1; :'.Eiilt:
M-10 08/27/09 15-25
.;; . ' M;-14 ,'hi/.:!;_ :\'.,0,9/0,9/09,, ... ,;;;~tt.9:i,1,9J~iiS~~ ,a~r:~'in~~fi:(;it4ii\ ,-ii:'.lfii~
M-15 08/28/09 12-22
I M-16 , ·· 09/10/09_ ,,, · •. .-·,, .. , ....
Shelby_Screening_Data_Sept09_summary_r0.xlsx
GRUB Inv Groundwater Screen 1 of 2 printed 5/6/2010
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GRUB Area Groundwater Field Screening Results
CFO Site -Shelby, North Carolina
Grid
N.7-15.7
Shelby_Screening_Data_Sept09_summary_r0.xlsx
GRUB Inv Groundwater Screen
Date
09/09/09
Sample
Interval
feet
14.5-24.5
Ethylene Glycol
Field Screen
>15-
09/14/09 19.5-29.5 <10000
II 09110/098 1'515l25'111111f ~5-611111!111'
09/10/09 14-5-24-5
;:J'/'09/09/091! •lli9~191'5 l■llllt'§Ulllllli
09/10/09 12-22
!h;.09/,14/091, 825I35-
09/15/09 7.6-17-6
""09/J4/09.I: ~,18'5f28f51
09/15/09 29.5-39.5
2 of 2 printed 5/6/2010
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GRUB Area Soil Field Screening Results
CFO Site -Shelby, North Carolina
Ethylene
Sample Glycol Field
Grid Date Interval Screen -,inN
feet mq/L
iiill !IEC2rn i,08/25/09 1111111 Of 5 11111<1000
-C!,18 ~.08/25/09 l/!lii'llfll5;,tQ !risi1000
D-9 08/25/09 0-5 <1000
D-9 08/25/09 5-10 <1000
D-9 08/25/09 10-15 NS
D-9 08/25/09 15-20 NS
.,:,.ff,,5 $,09/,10/09 _0,5 ~,1000
-.''i'aF-5 '109110/09 --5~91 a:·1000
--:F..~5 l!09i,10/09 1111192,12 111111 IIC<J ooo
..... F.,5 r 091,10109 llllll12t15 --~--1000
.. .,. .. F. ! 5 :l 09/,10/09 R!15!18 IIIIIH ll'l 1 ooo
1-12 09/10/09 0-5 <1000
1-12 09/10/09 5-9 <1000
1-12 09/10/09 9-12 <1000
1-12 09/10/09 12-15 <1000
1-12 09/10/09 15-18 <1000
.:11, ,~ 1-13 , 09/10/09 ... ,0,5 -IEJ000
;~;:L 1-13. 09/10/09 :M~;tit.t.·.s;g ~1000
'/~~: :·,tl-13 ' 09/10/09 _,l 9112 -~1000
.. ~:;, :_:,•: 1-13 09/10/09 iii:[~\li;1·2)-.1'5_ i-={1000
:J· . . 1-13 09/10/09 .,;,.•.15:18 ~w;<,1000
1-15 08/27/09 0-5 <1000
1-15 08127109 5-9 <1000
1-15 08/27/09 9-13 <1000
1-15 08/27/09 13-17 <1000
1-15 08/27/09 17-20 <1000
1-15 08/27/09 20-23 <1000
;'i:,;;:-:; . , 1-16 08/27/09 ~1Hn11:~i:;_o~s_ -~ill,\hiljl,~,1-000
. 1-16 08/27/09 '.&· •• 5-9 f:<,.._-:',.,'t:t,"~,:::1000
1-16 .. 08/27/09 ',■~:J~l9~1-3 -IC:<1000
_j~t:' ,._; 1-16 • 08127/09 .,13,1.'7; -&:<.1000
1-17 08/27/09 0-5 <1000
1-17 08127/09 5-9 <1000
1-17 08/27/09 9-13 <1000
1-17 08/27/09 13-17 <1000 ... . . : 1-18 08127109 iift>('i&0,5 ··••"1000 --'!"' ·. 1-18 08/27/09 ' ~-,i,\';5•9 :~~l!f>;~r.<n ooo
!'-· 1-18 08/27/09 '"'-'""----,;:;;_-,3 .,.,...,,,,1,·"·1000
1-18 08/27109 · 13-17'. 1\,;~\i~~: ·.'.t~.~.10_00
.· 1-18 · 08/27/09 I ·· .. 17'20 '.I':•,'!lt.ii ','',;<1000
,,.;-.. l ~ J-.18 . 08/27/09 ::;l;,i.:, 20,23 _,=ri;:1000
J-11 09/10/09 0-5 <1000
J-11 09/10/09 5-9 <1000
J-11 09/10/09 9-12 <1000
J-11 09/10/09 12-15 <1000
J-11 09/10/09 15-18 <1000
Shelby_Screening_Data_Septo9_summary_r0.xlsx
GRUB Inv Soil Screen 1 of 4 printed 5/6/201 O
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.GRUB Area Soil Field Screening Results
CFO Site -Shelby, North Carolina
Ethylene
Sample Glycol Field
Grid Date Interval Screen
J-16 08/27/ <1000
-l!'~I17 ,, 081271 BIiii:' . ooo
. . L&JJZ, .. ooo
IB lll!ll£2IIIE:J 000
. . ... , 18 l'll!i II[,: 000
L-6 08/26/09 0-5 <1000
L-6 08/26/09 5-9 <1000
L-6 08/26/09 9-13 <1000
L-13 09/09/09
L-13 09/09/09
L-13 09/09/09
L-13 09/09/09
L-13 09/09/09
L-13 09/09/09
L-13 09/09/09
L-13 09/09/09
L-13 09/09/09
Shelby_Screening_Data_Septo9_summary_r0.xlsx
GRUB Inv Soil Screen 2 of4
13-17 <1000
17-21 <1000
4-5 NS
5-9 <1000
9-12 <1000
12-15 <1000
15-18 <1000
8-9 <1
7.5-9 <1
11-12 <1
printed 5/6/2010
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GRUB Area Soil Field Screening Results
CFO Site -Shelby, North Carolina
Ethylene
Sample Glycol Field
Grid Date Interval Screen -
feet mq/L -~M (09/09/09 • r ~ 1.000
~1'4 [09/09/09 _5,9 .<,1000
l!'!.14 109/09/09 llll!il!l9t12 111.liiil!B:: ... ooo
1111 illlll!'c1'4 109/09/09 ~ 2215 ~1000
L-15 09/09/09 0-5 <1000
L-15 09/09/09 5-9 <1000
L-15 09/09/09 . 9-12 <1000
L-15 09/09/09 12-15 <1000
L-15 09/09/09 15-18 <1000
11111 1112':16 109/09/09 = ~iltll~J 000
-l:;,16 109/09/09 llll.llll!il!l1:R, o o o
l 11111 Ul!'f.16 Ji'09/09/09 ~'l''G.9.,12 -,.s1000 ~ 1609/09/09 "' 15 ::[ lJliu
;;.09/09/09 I ;· . 15-18 ~;.--111111
M-6 08/26/09 0-5 <1000
M-6 08/26/09 5-9 <1000
M-6 08/26/09 9-13 <1000
M-6 08/26/09 13-17 <1000
!\llllll!l!QiM'7 n[,08/26/09 llUl
;i&.;!ITIM,7 i.08/26/09 ~~-lUl [I,,,·~-: 1'08/26/09 000
U.08/26/09 ,. ••13,15 000
ff08/26/09 ., · '''8'10 llitl'1~f'~1':-_'.< 1 QQQ
M-8 08/26/09 0-5 <1000
M-8 08/26/09 5-9 <1000
M-8 08/26/09 9-13 <1000
M-8 08/26/09 13-17 <1000
, • r ii1·08/26/09 i;L.• Hhu,OM5 " ii !"08/26/09 I 5-9 •;.· i", <1000
:li08/26/09. ~•3~ulJ
008/26/09 t•' 13217 llllll
M-10 08/26/09 0-5 <1000
M-10 08/26/09 5-9 <1000
M-10 08/26/09 9-13 <1000
M-10 08/26/09 13-17 <1000
i4 .rno9109109 1ii:o,• ".'%\Ul•t:: ~ .. ,·
.,.,
.·.· • Mi14 09/09/09 V. ;•, 5-9 I"· , ,,,;;, · <moo
"' iM2.14 !'09/09/09 E.,,9,12 -'
' ·· M-14 09/09/09 ,· · 12-15 •i/i ;,;,;,,,. <1000
,,. "',1'4 \i 09/09/09 hii' ,,15-19 ~
M-15
M-15
M-15
M-15
Shelby_ Screening_Data_ Sept09 _summary_ rO.xlsx
GRUB Inv Soil Screen
08/28/09
08/28/09
08/28/09
08/28/09
3 of 4
0-5 <1000
5-9 <1000
9-13 <1000
13-17 <1000
printed 5/6/2010
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GRUB Area Soil Field Screening Results
CFO Site -Shelby, North Carolina
Grid
_.M,J 6
aa, M[ 1 6
M'9M!_16
-~ M±16
-•'M:C:16
M.7-15.7
M.7-15.7
M.7-15.7
M.7-15.7
M.7-15.7
M.7-15.7
--N!7,
.,illltN,7.
,,.iilllli:N, 7:
:'. iifi(.'N'. 7
'-'~··,-,_,;::-!;'.fi.'N-7
N-8
N-8
N-8
N-8
N-8
,.,,, -~-. . N-14
'.~~{~; -·' N:14
'"Ii','-... N°14'
i~'l1!1Jir.i-•J_li': N :·14.1
i.-.1$;, -:i:N,14
N-15
N-15
N-15
N-15
N-15
]>••··• O:5:;r.5
JEilt½PK·OlS.':4::5
\;t};1;?§~ 0~5:.:~k5
lwiitO.5-.4.5
.. ' 0.5-4.5
Shelby_Screening_Data_Sept09_summary_r0.xlsx
GRUB Inv Soil Screen
Sample
Date Interval
feet
!;09/J 0/09 aM.,0-5
1%09/J0/09 11!'.\!B! 5~9
t(09/10/09 fl99;12
%109/10/09 l1>W12215
i'.,09/,10/09 .;,,115~18
09/09/09 0-5
09/09/09 5-9
09/09/09 9-12
09/09/09 12-15
09/09/09 15-18
09/09/09 18-21
!109/-10/09 l!.1"11'; o~ 5
ic09/,10/09 •~li:1il\~1;,;.5:;o.9
,,. 09/J 0/09 .~i~u'.t: 9,7.~ 2
. 09/10/09 .. , .. ,12-J5
09/10/09 . . 15-~ 8
09/10/09 0-5
09/10/09 5-9
09/10/09 9-12
09/10/09 12-15
09/10/09 15-18
09/09/09 >it. L\t• 0,5
09/09/09 ·:;.. .. 5:9
09/09/09 · .. '>'9-12
I 09/09/09 ,iiill!:·, ,:FF" 12:15
• 09/09/09 ·-:'•' 15.-18
09/10/09 0-5
09/10/09 5-9
09/10/09 9-12
09/10/09 12-15
09/10/09 15-17
. 08/27/09 ··· m,-0:5
:·08/27/09 '.[:',~\;\1'i·i!_f~ji·5¥9
, 08/27/09 t!l-bt9:.13
. 08/27/09 .,l,l ·13-17
.08/27/091 •. ..17-21
4 of 4
Ethylene
Glycol Field
Screen -
mq/L
--<1000
--~1000
-:::1000
lalll!i11?1000
11••-,:<1000
<1000
<1000
<1000
<1000
<1000
<1000
ll!r,!l\ltr'.<i 000
~P~·i'11~tr~~n~rfs,1 oo.o
,-~t~iiitihl,:t.:$,1.000
i; ,.,,._ •·:i: <.1000
.. . <1000 .I..-
<1000
<1000
<1000
<1000
<1000
, .. ·. ,. <'..1000
;:;;.,~ .. ~[;;-::'ii;fa,,.~J 000 ., ... -:.1·,1 <1000
~i;;:{+}' .,.rJt.1"<-1000
•'1[" <;,;-• 'I <11000
<1000
<1000
<1000
<1000
<1000
~-••t,"'I;" '.1f"<1000 ; "''
1,;1111';$'' 1!''< 1 00 0
~r:i:•~?!!.1Jl!:<.1 ooo
1111•;:;~\i~ittt<1000
,:J;:;. -:,\j\ •/~;r~,1K~ NS
printed 5/6/2010