06001_Alamac American Knits_2016 GW Monitoring Rpt_20170109

2016 ANNUAL GROUNDWATER MONITORING REPORT
ALAMAC AMERICAN KNITS LLC
1885 ALAMAC ROAD
LUMBERTON, ROBESON COUNTY,
NORTH CAROLINA 28359

BROWNFIELDS NO. 06001-02-78

GROUNDWATER INCIDENT No. 18926
Latitude 34°35’19.84” N
Longitude 79°00’22.35” W

Prepared for:
Alamac American Knits LLC
1885 Alamac Road (P.O. Box 1347)
Lumberton, North Carolina 28359

Prepared by:
Solutions-IES, Inc.
1101 Nowell Road
Raleigh, NC 27607
Phone: [phone]; Fax [phone]
www.solutions-ies.com

Solutions-IES Project No. 2016.0048.AAKL

January 9, 2017

Sean Jarvah Daphne M. Jones, P.G.
Environmental Specialist Senior Geologist/Project Manager

i
TABLE OF CONTENTS

1.0 INTRODUCTION ................................................................................................................................ 1
2.0 BACKGROUND ................................................................................................................................. 1
3.0 ENVIRONMENTAL MONITORING .................................................................................................... 2
3.1 GROUNDWATER SAMPLING METHODS ............................................................................... 2
3.2 GROUNDWATER RESULTS .................................................................................................... 2
3.2.1 Biogeochemical Parameters ........................................................................................ 2
3.2.2 Volatile Organic Compounds ........................................................................................ 2
3.2.3 Discussion of Groundwater Results ............................................................................. 3
3.3 RESIDENTIAL WATER SUPPLY WELL ................................................................................... 4
4.0 GROUNDWATER RECOVERY SYSTEM OPERATION & MAINTENAQNCE ................................. 5
4.1 HYDRAULIC PERFORMANCE ................................................................................................. 5
4.2 VOLATILE ORGANIC COMPOUND REMOVAL AND DISPOSAL ........................................... 5
5.0 CONCLUSIONS ................................................................................................................................. 6
6.0 REFERENCES ................................................................................................................................... 7

TABLES
Table 3-1 Historical Summary of Selected Bio-Geochemical Parameters in Groundwater
Table 3-2 Historical Summary of Volatile Organic Compounds in Groundwater from Recovery Wells
Table 4-1 Operational Data Summary for Groundwater Recovery Wells
Table 4-2 Calculation of Mass of Volatile Organic Compounds Removed from Groundwater by the
Recovery Well Network
Table 4-3 Historical Summary of Volatile Organic Compounds in On-Site Wastewater Treatment
Plant Effluent

FIGURES

Figure 1 Site Location
Figure 2 Facility Layout and Groundwater Sampling Locations
Figure 3 Performance Monitoring in RW-1
Figure 4 Performance Monitoring in RW-2
Figure 5 Performance Monitoring in RW-3

APPENDICES

Appendix A Field Notes
Appendix B Laboratory Analytical Reports
Appendix C Monthly Recovery Well Flow Reports

2016 Annual Groundwater Monitoring Report Solutions-IES Project No. 2016.0048.AAKL
Alamac American Knits LLC, Lumberton, NC January 9, 2017

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1.0 INTRODUCTION

This 2016 Annual Groundwater Monitoring Report has been prepared by Solutions-IES, Inc. (SIES) for
the North Carolina Department of Environmental Quality (NCDEQ), Division of Waste Management
(DWM), Brownfields Program (NCBP), on behalf of Alamac American Knits LLC (Alamac), Lumberton,
North Carolina. This is the 11th annual report prepared in accordance with the Brownfields Agreement
(BFA) entered into by the NCDEQ and Alamac on February 24, 2006 (BF# 06001-02-78).

2.0 BACKGROUND

The Alamac facility is located in Lumberton, Robeson County, North Carolina (Figure 1). A current facility
layout with groundwater sampling locations is shown in Figure 2. Until the December 2006 Groundwater
Monitoring Report, previous reports were prepared in accordance with the Water Quality Monitoring Plan
(WQMP) originally submitted to the NCDEQ, Division of Water Quality, Aquifer Protection Section,
formerly the Groundwater Protection Unit, Fayetteville Regional Office, approved on August 16, 1999 and
modified January 29, 2001. Based on the requirements of the WQMP, quarterly sampling and semi-
annual reporting were conducted through the first quarter of 2004. On June 7, 2004, quarterly sampling
was reduced to annual sampling and reporting. Sampling and reporting proceeded under these
guidelines until the approval of the BFA in February 2006.

On September 18, 2008, Ms. Lisa Taber of the NCBP agreed to further reduce the number of wells being
sampled by eliminating the requirement to collect samples from source area wells MW-1, MW-11 and
MW-15, downgradient well MW-23, and offsite well MW-19 (Figure 2). The remaining monitoring
program comprises the sampling and analysis of the three recovery wells (RW-1, RW-2 and RW-3) and
one offsite residential water supply well at 2237 Alamac Road located approximately 750 feet south of the
Alamac manufacturing building. This 2016 Annual Groundwater Monitoring Report includes the
monitoring activities during the annual groundwater sampling event completed on November 3, 2016.

2016 Annual Groundwater Monitoring Report Solutions-IES Project No. 2016.0048.AAKL
Alamac American Knits LLC, Lumberton, NC January 9, 2017

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3.0 ENVIRONMENTAL MONITORING

3.1 GROUNDWATER SAMPLING METHODS

The groundwater sampling protocol for the November 2016 event included sampling the three recovery
wells (RW-1, RW-2 and RW-3) for volatile organic compounds (VOCs) and bio-geochemical parameters1
and the water supply well located at 2237 Alamac Road for VOCs. Samples from recovery wells RW-1,
RW-2 and RW-3 were collected directly from sampling ports located on the former treatment system pad.
The sample from 2237 Alamac Road was collected directly from the water stream after letting the faucet
run for approximately 15 minutes. Temperature, pH, specific conductivity, oxidation-reduction potential
(ORP) and dissolved oxygen (DO) were measured in the field (see Field Notes in Appendix A). The
samples were collected in laboratory-supplied glassware, packaged and shipped under chain-of-custody
control to Prism Laboratories, Inc. in Charlotte, NC, NCDEQ Certification #402. Samples were analyzed
for VOCs by EPA Method 8260B.

3.2 GROUNDWATER RESULTS

3.2.1 Biogeochemical Parameters
The summary of historical groundwater bio-geochemical parameter data for recovery wells RW-1, RW-2,
and RW-3 (Table 3-1) indicates that ORP increased in the recovery wells compared to 2015 values. The
current values still indicate a reducing environment and are within the range of historical values. The pH
measured during the November 2016 field event increased in recovery well RW-3 but remained relatively
unchanged in RW-1 and RW-2. All of the pH values remain within a slightly acidic range of 5.5 to 6.0
Standard Units (SU) and are consistent with historical values.

3.2.2 Volatile Organic Compounds in Recovery Wells
A summary of the historical VOC data, including the November 3, 2016 samples, is provided in Table 3-2.
The laboratory analytical report is provided in Appendix B. Graphs depicting the historical
concentrations of tetrachloroethene (PCE), trichloroethene (TCE), cis-1,2-dichloroethene (cis-1,2-DCE),
vinyl chloride (VC) and total VOCs in the recovery wells are provided in Figures 3, 4 and 5. Increases
and decreases of PCE, TCE, cis-1,2-DCE and VC in the recovery wells can result from a combination of
different factors influencing concentrations simultaneously. Anaerobic reductive dechlorination of PCE
sequentially results in the formation and loss of TCE, then cis-1,2-DCE from degradation of TCE, and
then VC from the breakdown of cis-1,2-DCE. These transformations would be seen as increases

1 Bio-geochemical parameter analysis includes field measurements of temperature, pH, conductivity, oxidation-reduction potential
(ORP) and dissolved oxygen (DO).
2016 Annual Groundwater Monitoring Report Solutions-IES Project No. 2016.0048.AAKL
Alamac American Knits LLC, Lumberton, NC January 9, 2017

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followed by decreases in concentrations over time, eventually leading to cleanup as long as groundwater
conditions remain conducive to biological activity. However, recovery wells are also intended to
physically remove mass independent of biodegradation. The drawdown around each well can bring new
constituent material into the well for capture. This could be seen as increases that are the result of
capture, but not necessarily biotransformation.

The PCE and TCE concentrations in RW-1 have continued to slowly increase over time and have been
several orders of magnitude above the NC 2L Standards since system startup in 1999 (Table 3-2). In
2015, the concentrations of PCE and TCE were reported at concentrations below their respective
laboratory analytical method detection limits. Based on the recent data, it seems that the abrupt
decrease in chlorinated VOC (cVOC) concentrations in RW-1 was an anomaly, likely a result of faulty
pump operation and being off-line between April and December 2015. In November 2016, the PCE
concentration in RW-1 spiked to the highest level since system startup and TCE concentrations returned
to levels consistent with other recent sampling events. Reported concentrations of both cis-1,2-DCE and
vinyl chloride have remained relatively stable with concentrations well above their respective NC 2L
standard. Additionally, naphthalene was reported at 23 µg/L, which is above the regulatory standard of 6
µg/L. The last time this exceedance occurred was in October 2005.

There have been reductions in all reported VOC’s in the RW-2 and RW-3 wells since the beginning of
pumping with fluctuations along the way. Most notably are the reductions in RW-2. Since pumping
began in 1999, the reported concentrations of PCE and TCE decreased over 95%. Cis-1,2-DCE and VC
were reported at their lowest concentrations since sampling began in 1999. Concentrations for both of
these compounds have decreased over 80% over the 17 years since pumping began. Since 2001, RW-3
(located approximately 100 ft downgradient of the primary PCE release area), has reported between 5.6
and 15 µg/L TCE, with current concentrations at 9.0 µg/L. RW-3 has shown a slow but steady decline in
cis-1,2-DCE concentrations from 1999 to 2009. Although there has been a 83% decrease in cis-1,2-DCE
since 2000, concentrations have seemed relatively stable since 2008. Vinyl chloride concentrations have
also remained relatively stable, with a current concentration of 140 µg/L.

3.2.3 Discussion of Groundwater Results
The continuing presence of elevated concentrations of cis-1,2-DCE and VC in all three recovery wells
suggests that at least a portion of the observed PCE and TCE reductions are a result of biodegradation
via anaerobic reductive dechlorination. Although the biogeochemical conditions in the immediate vicinity
of the pumping wells are not optimal for enhanced reductive dechlorination (i.e., elevated DO, mildly
reducing ORP, and acidic pH), the data suggest that aquifer conditions away from active pumping may
support modest bioactivity.

2016 Annual Groundwater Monitoring Report Solutions-IES Project No. 2016.0048.AAKL
Alamac American Knits LLC, Lumberton, NC January 9, 2017

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In RW-1, the data since pumping began in 1999 reported concentrations of cis-1,2-DCE have increased
gradually. The large decrease in 2015 was probably related to the pump malfunction which occurred
during much of that year. In recovery well RW-2, cis-1,2-DCE concentrations have decreased close to
80% over the 17 years since pumping began in 1999. RW-3 showed steady decline in cis-1,2-DCE
concentrations from 2000 through 2008, but has remained relatively stable since 2008. Current
concentrations of cis-1,2-DCE in all three wells remain above the NC 2L Standard of 70 µg/L.

VC also remains elevated in each of the recovery wells. The reported concentration of VC in recovery
well RW-1 has remained stable from the beginning of pumping through 2014, but decreased sharply in
2015 compared to historical range of concentrations. As with cis-1,2-DCE, it is likely that the large
decrease is an artifact of the pump malfunction. Continued reduction in VC was reported in recovery well
RW-2, suggesting that complete reductive dechlorination may be occurring. Although VC concentrations
in RW-3 decreased 87% between 2000 and 2016, the average concentration over the past 10 years is
approximately 180 µg/L. Current concentrations of VC in all three wells remain several orders of
magnitude above the NC 2L Standard of 0.03 µg/L.

The absence of continued removal of these biodegradation daughter products may be a result of several
factors including: 1) groundwater pH below the optimal range for enhanced reductive dechlorination; 2)
elevated DO which limits anaerobic metabolism; 3) absence of the appropriate microflora in the aquifer to
carry out these reactions; and 4) insufficient bioavailable organic carbon to sustain bioactivity.

3.3 RESIDENTIAL WATER SUPPLY WELL

On November 3, 2016, SIES sampled the water supply well located at 2237 Alamac Road. The spigot
closest to the well house was opened and water was allowed to flow for approximately 15 minutes.
According to the property owner, the residence is connected to municipal water, and the water supply well
is used for irrigation. The bio-geochemical parameters were measured and recorded in the field book.
The water sample was collected directly into laboratory-supplied containers, and shipped via standard
chain-of-custody protocol to Prism for analysis. The sample was analyzed for VOCs by EPA Method
8260B.

The laboratory analytical results of the groundwater sample collected from the water supply well located
at 2237 Alamac Road indicated that both acetone (8.4 µg/L) and 2-Butanone (15 µg/L) were present, but
well below their respective NC 2L standards. Both compounds are common laboratory contaminants
(U.S. Environmental Protection Agency, 1999). A summary of the current and historical water supply well
analytical results is presented in Table 3.2, and a copy of the laboratory analytical report and chain-of-
custody record is provided in Appendix B.

2016 Annual Groundwater Monitoring Report Solutions-IES Project No. 2016.0048.AAKL
Alamac American Knits LLC, Lumberton, NC January 9, 2017

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4.0 GROUNDWATER RECOVERY SYSTEM OPERATION & MAINTENANCE

4.1 HYDRAULIC PERFORMANCE

The groundwater recovery system operated with minimal interruption during 2016. Alamac plant
personnel periodically inspected the three recovery wells that comprise the groundwater extraction
system and recorded system performance measurements including the pumping rate and the cumulative
volume of groundwater recovered from each well. As indicated in the reporting sheets, all recovery wells
were offline from October 9th - 17th due to Hurricane Mathew. Monthly reporting sheets are provided in
Appendix C. Historical and current operational data through December 2016 are presented in Table 4-1.
Alamac personnel have had to reset or replace the integrator on RW-1 occasionally. Since 2012,
calculations were based on the readings from the RW-1 flowmeter. Flowmeter readings from RW-1 were
used to calculate the volume removed in each period, which are added to the cumulative volume totals.

Extraction flow rates during 2016 were recorded in two ways: (1) from instantaneous flow rate readings
from meters assigned to each recovery well, and (2) by dividing the totalizer flow meter reading for each
well by the number of days (converted to minutes) of operation (i.e., average annual flow rate). As shown
in Table 4-1, during the 2016, the average instantaneous flow rate for RW-1 was 2.10 gallons per minute
(gpm); the average instantaneous flow rate in extraction well RW-2 was calculated to be 1.63 gpm; and
the average instantaneous flow rate from extraction well RW-3 was 8.68 gpm. From startup in 1999
through December 1, 2016, approximately 98.57 million gallons of groundwater have been extracted,
discharged, and treated in the on-site wastewater treatment plant (WWTP). This total volume includes
approximately 6.40 million gallons extracted in 2016, which is a 1.07 million gallon increase from the total
volume extracted in 2015. The higher extraction volume is due to minimal operational issues during the
2016 reporting period. The instantaneous and average annual recovery rates at the recovery wells in
2016 are similar to those recorded in preceding years, indicating consistent operation throughout the
reporting period.

4.2 VOLATILE ORGANIC COMPOUND REMOVAL AND DISPOSAL

To estimate the mass of VOCs removed from groundwater via the recovery system, the volume of water
extracted from each well during the reporting period was multiplied by the concentration of total VOCs in
the recovered groundwater from that well on the sampling date. During the 2016 reporting period (based
on sampling dates) from November 1, 2015 through November 3, 2016, approximately 185 pounds (lbs)
(55.34 kilograms [kg]) of VOCs were removed from the groundwater (Table 4-2). This is a 43% increase
from the previous year. Individually, since pumping began, RW-1 has collected and discharged 855 lbs
(388 kg); RW-2 has collected and discharged 1,538 lbs (698 kg); and, RW-3 has extracted and
discharged 1,533 lbs (695kg) of VOCs. Altogether since pumping began on November 8, 1999, a
2016 Annual Groundwater Monitoring Report Solutions-IES Project No. 2016.0048.AAKL
Alamac American Knits LLC, Lumberton, NC January 9, 2017

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conservative estimate of approximately 3,927 lbs (1,781 kg) of VOCs have been removed from the
treatment area via the recovery well network.

Figures 3b, 4b and 5b plot the mass of cVOCs removed each year from RW-1, RW-2 and RW-3,
respectively, and the cumulative total mass removed by each well since startup. The data in Tables 3-2
and 4-1 indicate that the increased cVOCs and higher extraction rates in RW-1 in 2016 (from 0.66 gpm in
2015 to 2.10 gpm in 2016) resulted in an upswing in removal of cVOCs. RW-2 has continued to extract
groundwater at pumping rate of 0.92 to 1.7 gpm since pumping began and had an average of 1.63 gpm
during 2016. RW-2 mass removal effectiveness of elevated cVOCs has remained steady. RW-3 has
continued to extract groundwater at a pumping rate from approximately 7.2 to 8.7 gpm since pumping
began. Although the total cVOC concentration in RW-3 has been historically much lower than in RW-1
and RW-2, the higher pumping rate has resulted in effective extraction of contaminant mass from this well
from the start of pumping in 1999 through the present. In RW-3, cVOC extraction rate was the highest
during the 2016 reporting period since system startup.

The groundwater recovered from the three recovery wells is discharged directly to the on-site wastewater
treatment plant (WWTP). Alamac operates the WWTP under a National Pollutant Discharge Elimination
System (NPDES) permit and monitors the effluent quality at the outfall in accordance with the permit.
Although no sampling of the outfall was required by the WQMP or is currently required under the BFA,
effluent samples from the WWTP have been monitored since 1999. Alamac provided SIES with the
wastewater analyses provided by Microbac Laboratory in Fayetteville, NC on samples collected on March
15, June 7, September 13 and December 13, 2016. No PCE, TCE, cis-1,2-DCE or VC was detected in
the WWTP effluent during the first three sampling events. Cis-1,2-DCE was reported at 0.335 µg/L in
December, which is well below the regulatory standard of 70 µg/L, and was the only VOC reported during
that event (Table 4-3). Copies of Microbac’s WWTP effluent analytical reports for the reporting period are
provided in Appendix B.

5.0 CONCLUSIONS

The groundwater recovery and discharge system is the only active remediation approach in the source
area. Natural attenuation is also likely occurring to some degree. The pumping regimen continues to
effectively capture and remove contamination from the aquifer. Total VOC concentrations increased
significantly in 2016, due to a constant operational status and minimal maintenance issues. RW-1
removed a total of 88 lbs (40 kg) of VOCs during this reporting period. In RW-2, a decrease in total VOCs
continues slowly, likely a result of the combination of some in situ bioactivity and physical extraction by
pumping, but concentrations of the target VOCs remain far above the NC 2L standards. Pumping this
well removed approximately 50 lbs (23 kg) of VOCs. Concentrations of chlorinated solvents have
remained stable in RW-3 since 2009. PCE and TCE are already close to the NC 2L target standards, but
2016 Annual Groundwater Monitoring Report Solutions-IES Project No. 2016.0048.AAKL
Alamac American Knits LLC, Lumberton, NC January 9, 2017

7
cis-1,2-DCE and VC remain elevated. This well extracted approximately 48 lbs (22kg) of VOCs from
groundwater in 2016. Based on the volume of groundwater extracted and the concentrations measured
in the recovered water over time, it has been estimated that the recovery system has removed
approximately 3,926 lbs (1,781 kg) of VOCs since it began operation November 1999. Combined with
the removal of an estimated initial 732 lbs (332 kg) of VOCs via the other remediation activities that were
implemented previously (Ref. 2), the total amount of VOCs physically removed from the site now is
calculated to be approximately 4,658 lbs (2,113 kg).

6.0 REFERENCES

1. Proposed Remedial Action Report, S&ME, Inc., April 1999.
2. Report of Excavation and Disposal of PCE-Contaminated Soil, Soil Solutions, Inc., April 1999.
3. Water Quality Monitoring Plan, S&ME, Inc., July 1999.
4. Injection Well Permit Application, S&ME, Inc., September 29, 1999.
5. Groundwater Monitoring Report, S&ME, Inc., March 28, 2000; September 5, 2000; February 2,
2001.
6. Evaluation Report for Injection of Liquid Soybean Oil, S&ME, Inc., March 21, 2001.
7. Groundwater Monitoring Report, Solutions-IES, June 2001; January 2002; June 2002; January
2003; June 2003; January 2004; January 2005; January 2006
8. Brownfields Agreement between NCDEQ and Alamac American Knits, LLC, February 24, 2006.
9. Groundwater Monitoring Report, Solutions-IES, January 2007; January 2008; January 2009;
January 2010; January 2011; January 2012; January 2013; January 2014; January 2015; January
2016.
10. U.S. Environmental Protection Agency, 1999a, Data validation standard operating procedures for
contact laboratory program routine analytical services (rev. 2.1): Athens, Ga., U.S. Environmental
Protection Agency, Region IV, 32 p.

TABLES
11/03/99 -5 5.8 0.40 5 NA
11/08/99 0
10/24/00 351 NA 0.23 NA NA
11/14/01 737 6.7 1.21 <-100 203
11/13/02 1101 5.7 1.30 -56 230
11/03/03 1456 5.9 1.19 25 134
11/01/04 1820 5.5 1.14 18 108
10/25/05 2178 5.0 1.10 -5 212
11/28/06 2577 5.4 1.51 -178 91
10/25/07 2908 5.5 3.32 53 117
11/06/08 3286 4.9 4.96 38 129
10/30/09 3644 5.8 5.18 13 96
11/02/10 4012 5.0 5.11 -36 171
11/01/11 4376 5.2 3.67 196 151
11/02/12 4743 4.9 3.72 96 70
11/06/13 5112 5.3 2.01 38 116
12/09/14 5510 5.0 3.96 100 76
11/11/15 5847 5.9 0.51 -68 77
11/03/16 6205 5.8 0.68 -25 75
11/03/99 -5 5.2 0.26 0 NA
11/08/99 0
10/24/00 351 NA 0.78 NA NA
11/14/01 737 6.4 1.40 -60 343
11/13/02 1101 5.6 1.26 -42 330
11/03/03 1456 5.8 1.23 20 346
11/01/04 1820 5.3 1.23 0.2 355
10/25/05 2178 5.4 1.48 -74 265
11/28/06 2577 5.8 1.78 -199 207
10/25/07 2908 5.3 5.73 39 237
11/06/08 3286 5.1 2.15 38 194
10/30/09 3644 6.0 6.32 -16 222
11/02/10 4012 5.5 6.20 -67 254
11/01/11 4376 5.3 4.98 183 165
11/02/12 4743 5.2 3.68 50 160
11/06/13 5112 5.7 2.39 27 197
12/09/14 5510 5.4 2.86 43 206
11/10/15 5846 5.6 2.44 -50 209
11/03/16 6205 5.6 1.61 -33 198
Recovery Well
Well ID Sampling
Date
Days after
Startup pH (SU)
Specific
Conductance
(µS/cm)
ORP (mv)DO
(mg/L)
TABLE 3-1
HISTORICAL SUMMARY OF SELECTED BIO-GEOCHEMICAL PARAMETERS IN GROUNDWATER
ALAMAC AMERICAN KNITS LLC
LUMBERTON, NORTH CAROLINA
SIES PROJECT NO: 2016.0048.AAKL
Startup
Startup
RW-1
RW-2
Page 1 of 2
Well ID Sampling
Date
Days after
Startup pH (SU)
Specific
Conductance
(µS/cm)
ORP (mv)DO
(mg/L)
TABLE 3-1
HISTORICAL SUMMARY OF SELECTED BIO-GEOCHEMICAL PARAMETERS IN GROUNDWATER
ALAMAC AMERICAN KNITS LLC
LUMBERTON, NORTH CAROLINA
SIES PROJECT NO: 2016.0048.AAKL
Recovery Well
11/03/99 -5 5.2 5.22 40 NA
11/08/99 0
10/24/00 351 NA 1.98 NA NA
11/14/01 737 6.6 1.71 -82 125
11/13/02 1101 5.5 1.27 -43 120
11/03/03 1456 5.6 1.26 52 96
11/01/04 1820 5.5 1.10 -1 118
10/25/05 2178 5.3 2.41 42 120
11/28/06 2577 5.6 2.62 -197 91
10/25/07 2908 5.4 3.24 34 105
11/06/08 3286 5.5 4.73 68 118
10/30/09 3644 6.0 5.08 38 110
11/02/10 4012 5.6 5.20 -40 119
11/01/11 4376 5.4 5.01 184 107
11/02/12 4743 5.2 3.81 106 75
11/06/13 5112 5.6 2.71 43 112
12/09/14 5510 5.8 2.68 61 121
11/10/15 5846 5.7 2.00 -87 112
11/03/16 6205 6.0 1.41 -68 115
11/28/06 6.0 0.16 -137 82
10/25/07 5.7 0.52 109 107
11/6/08 5.5 3.93 157 105
10/30/09 5.6 1.85 118 119
11/2/10 5.2 4.04 28 98
11/1/11 4.6 5.29 252 169
11/2/12 4.2 3.40 240 156
11/6/13 5.3 4.24 103 85
12/9/14 5.5 4.10 169 142
11/10/15 5.4 4.10 59 96
11/3/16 5.5 6.51 173 181
Notes:
NA = Not analyzed
Days after startup = number of days groundwater recovery system has been in operation since system
was started on November 8, 1999.
SU - Standard Units
mg/L = Milligrams per liter
mV = Millivolts
µS/cm = MicroSiemens per centimeter
2237 Alamac Rd
Startup
RW-3
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5
15

1
7
0
<5

<
5
32

7
.
4

2
,
0
0
0

3
2

2
0
0
<5 15 Benzene (8.0 )2,479
10
/
2
4
/
0
0

3
5
1
36
0

1
,
3
0
0
<5

<
5
17
<5
4,
8
0
0

6
6

2
0
0
26 160 Benzene (12 )

6
,
9
4
5
11
/
1
4
/
0
1

7
3
7
20
0

8
4
0

8
.
3
<5
14

6
.
7

3
,
2
0
0

1
2

7
0
<5 83 BDL 4,434
11
/
1
3
/
0
2

1
1
0
1
21
0

8
2
0

1
6
<5
7.
3

6
.
4

3
,
8
0
0

1
5

1
3
0
<5 47 1,2-Dichloropropane (61 )

5
,
1
1
3
11
/
3
/
0
3

1
4
5
6
18
0

7
5
0
<5

<
5

<
5
7.
8

4
,
0
0
0

1
1

1
3
0
<5 26 BDL 5,105
11
/
0
1
/
0
4
18
2
0
27
0

8
0
0
<5

<
5

<
5
8.
3

4
,
2
0
0

3
7

1
7
0
<5

<
5
BDL 5,485
10
/
2
5
/
0
5
21
7
8
38
0

7
9
0
<5

<
5

<
5
11

3
,
7
0
0

2
1

1
6
0
<5 31 BDL 5,093
11
/
2
8
/
0
6
25
7
7
56
0

1
,
1
0
0
<1
0

<
1
0

<
1
0

<
1
0
4,
6
0
0

8
.
7

J

1
8
0
<10

<
1
0
BDL 6,449
10
/
2
5
/
0
7
29
0
8
47
0

1
,
4
0
0
<1
0

<
1
0
5.
1

J

5
.
2

J

3
,
1
0
0

1
9

J

2
0
0
<10

<
1
0
BDL 5,199
11
/
0
6
/
0
8
32
8
6
60
0

8
6
0
<1
0

<
1
0
7.
2

J

1
0

5
,
2
0
0

3
2

1
8
0
<10

<
1
0
BDL 6,889
10
/
3
0
/
0
9
36
4
4
46
0

9
6
0
<1
0

<
1
0
6.
7

J

8
.
6

J

5
,
5
0
0

3
4

2
0
0
<10 9.6 J BDL 7,179
11
/
0
2
/
1
0
40
1
2
47
0

1
,
1
0
0
<1
0
0

<
1
0
0
<10
0
<1
0
0
5,
6
0
0
<1
0
0
120 J <100

<
1
0
0
BDL 7,290
11
/
0
1
/
1
1
43
7
6
18
0

4
8
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
5,
1
0
0
<2
0
0
170 J <100

<
1
0
0
BDL 5,930
11
/
0
2
/
1
2
47
4
3
97
0

1
,
5
0
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
5,
9
0
0
<2
0
0
170 J <100

<
1
0
0
BDL 8,540
11
/
0
6
/
1
3
51
1
2
1,
5
0
0

2
,
4
0
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
6,
9
0
0

5
1

J

2
2
0
<100

<
1
0
0
BDL 11,071
12
/
0
9
/
1
4
55
1
0
1,
0
0
0

2
,
1
0
0
<5
0

<
5
0

<
5
0

<
5
0
5,
5
0
0
<5
0
180 <50

<
1
0
0
BDL 8,780
11
/
1
1
/
1
5
58
4
7
<5
.
0

<
5
.
0

<
5
.
0

<
5
.
0

<
5
.
0

<
5
.
0
80
<5
.
0
20 <5.0

<
1
0
.
0

B
D
L
100
11
/
0
3
/
1
6
62
0
5
2,
4
0
0

2
,
3
0
0
<5
.
0

<
5
.
0

<
5
.
0
12

5
,
8
0
0

5
2

1
8
0
<5.0 23 BDL 10,767
11
/
0
3
/
9
9

8,
2
0
0

7
,
7
0
0
<5

<
5
22

1
2
0

3
1
,
0
0
0

4
3
0

2
,
7
0
0

9
6

6
6
0
Benzene (61 ), Ethylbenzene (22 ), Xylenes (57 ),1,2-Dichlorobenzene (7.3 )51,020
10
/
2
4
/
0
0

3
5
1
1,
2
0
0

3
,
9
0
0
<5

<
5
16

3
3

3
0
,
0
0
0

4
1
0

2
,
7
0
0

4
5

1
4
0
1,2-Dichlorobenzene (5.9 ), Benzene (8.5 )38,480
11
/
1
4
/
0
1

7
3
7
1,
2
0
0

1
,
8
0
0
<5
0

<
5
0

<
5
0

<
5
0
17
,
0
0
0

8
3

7
4
0
<50 90 BRL 20,913
11
/
1
3
/
0
2

1
1
0
1
29
0

8
3
0
<5
0

<
5
0

<
5
0

<
5
0
34
,
0
0
0

1
6
0

2
,
2
0
0
<50 83 1,2-Dichloropropane (98 ); 1,1-Dichloropropene (130 )37,791
11
/
3
/
0
3

1
4
5
6
32
0

2
,
5
0
0
<5
0

<
5
0

<
5
0

<
5
0
25
,
0
0
0

7
3

1
,
3
0
0
<50

<
5
0

B
D
L
29,193
11
/
0
1
/
0
4
18
2
0
63
0

4
,
8
0
0
<5
0

<
5
0

<
5
0
55

2
2
,
0
0
0

1
6
0

1
,
1
0
0
<50

<
5
0
Benzene (8.0 )28,698
10
/
2
5
/
0
5
21
7
8
93

3
0
0
<5
0

<
5
0

<
5
0

<
5
0
21
,
0
0
0

1
3
0

2
,
2
0
0
<50

<
5
0

B
D
L
23,723
11
/
2
8
/
0
6
25
7
7
<1
0
0
17
0

J
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
19
,
0
0
0
<2
0
0
1,700 <100

<
1
0
0

B
D
L
20,870
10
/
2
5
/
0
7
29
0
8
14
0

4
7
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
18
,
0
0
0

1
1
0

J

2
,
0
0
0
<100

<
1
0
0

B
D
L
20,720
11
/
0
6
/
0
8
32
8
6
28
0

1
,
5
0
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
16
,
0
0
0

1
1
0

J

9
2
0
<100

<
1
0
0

B
D
L
18,810
10
/
3
0
/
0
9
36
4
4
19
0

8
3
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
14
,
0
0
0

8
8

J

1
,
2
0
0
<100

<
1
0
0

B
D
L
16,308
11
/
0
2
/
1
0
40
1
2
15
0

6
6
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
13
,
0
0
0

8
4

J

8
3
0
<100

<
1
0
0

B
D
L
14,724
11
/
0
1
/
1
1
43
7
6
15
0

5
7
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
12
,
0
0
0

7
4

J

9
6
0
<100

<
1
0
0

B
D
L
13,754
11
/
0
2
/
1
2
47
4
3
18
0

5
7
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
11
,
0
0
0

7
3

J

9
3
0
<100

<
1
0
0

B
D
L
12,680
11
/
0
6
/
1
3
51
1
2
23
0

4
1
0
<1
0
0

<
1
0
0

<
1
0
0

<
1
0
0
9,
2
0
0

6
0

J

7
3
0
<100

<
1
0
0

B
D
L
10,630
12
/
0
9
/
1
4
55
1
0
21
0

3
5
0
<5
0

<
5
0

<
5
0

<
5
0
8,
2
0
0

7
6

1
,
3
0
0
<50

<
1
0
0

B
D
L
10,136
11
/
1
0
/
1
5
58
4
6
35
0

8
2
0
<5
.
0

<
5
.
0

<
5
.
0
12

7
,
9
0
0

4
3

3
3
0
<5.0 5.8 J BDL 9,449
11
/
0
3
/
1
6
62
0
5
16
0

2
6
0
<5
.
0

<
5
.
0

<
5
.
0
12

6
,
3
0
0

3
8

3
1
0
<5.0 13 BDL 7,093
TA
B
L
E

3
-
2
HI
S
T
O
R
I
C
A
L

S
U
M
M
A
R
Y

O
F

V
O
L
A
T
I
L
E

O
R
G
A
N
I
C

C
O
M
P
O
U
N
D
S

I
N

G
R
O
U
N
D
W
A
T
E
R

F
R
O
M

R
E
C
O
V
E
R
Y

W
E
L
L
S
AL
A
M
A
C

A
M
E
R
I
C
A
N

K
N
I
T
S

L
L
C
LU
M
B
E
R
T
O
N
,

N
O
R
T
H

C
A
R
O
L
I
N
A
SI
E
S

P
R
O
J
E
C
T

N
O
:

2
0
1
6
.
0
0
4
8
.
A
A
K
L
RW
-
1
RW
-
2
Da
y
s

af
t
e
r

St
a
r
t
u
p
15
A

N
C
A
C

2
L

S
t
a
n
d
a
r
d
s
We
l
l

I
D

S
a
m
p
l
e

D
a
t
e
Pa
g
e

1

o
f

2
Te
t
r
a
c
h
l
o
r
o
e
t
h
e
n
e

T
r
i
c
h
l
o
r
o
e
t
h
e
n
e
1,
1
,
1
-
Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
1,
1
,
2
-
Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
1,
1
-

Di
c
h
l
o
r
o
e
t
h
a
n
e
1,
1
-

Di
c
h
l
o
r
o
e
t
h
e
n
e
ci
s
-
1
,
2
-
Di
c
h
l
o
r
o
e
t
h
e
n
e
tr
a
n
s
-
1
,
2
-
Di
c
h
l
o
r
o
e
t
h
e
n
e
Vinyl Chloride

T
o
l
u
e
n
e

N
a
p
h
t
h
a
l
e
n
e

O
t
h
e
r

V
O
C
s
TOTAL V OCs
(µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
µ
g
/
L
)

(
u
g
/
L
)
0.
7
0

3
.
0

2
0
0

N
o
t

l
i
s
t
e
d

6

3
5
0

7
0

1
0
0

0
.
0
3
0

6
0
0

6

C
o
m
p
o
u
n
d

S
p
e
c
i
f
i
c
TA
B
L
E

3
-
2
HI
S
T
O
R
I
C
A
L

S
U
M
M
A
R
Y

O
F

V
O
L
A
T
I
L
E

O
R
G
A
N
I
C

C
O
M
P
O
U
N
D
S

I
N

G
R
O
U
N
D
W
A
T
E
R

F
R
O
M

R
E
C
O
V
E
R
Y

W
E
L
L
S
AL
A
M
A
C

A
M
E
R
I
C
A
N

K
N
I
T
S

L
L
C
LU
M
B
E
R
T
O
N
,

N
O
R
T
H

C
A
R
O
L
I
N
A
SI
E
S

P
R
O
J
E
C
T

N
O
:

2
0
1
6
.
0
0
4
8
.
A
A
K
L
Da
y
s

af
t
e
r

St
a
r
t
u
p
15
A

N
C
A
C

2
L

S
t
a
n
d
a
r
d
s
We
l
l

I
D

S
a
m
p
l
e

D
a
t
e
11
/
0
3
/
9
9

-
5
11
0

6
8
<5

<
5
8.
5
<5
33
0
<5

<
1
0

<
5

<
2
5
BDL 517
10
/
2
4
/
0
0
35
1
<5
19
<5

<
5
6.
1

6
.
7

6
,
5
0
0

6
7

1
1
0
0

8
.
5

2
6
BDL 7,733
11
/
1
4
/
0
1

7
3
7

<
5
6.
8

6
.
7
<5

<
5

<
5
2,
0
0
0

8
.
8

3
2
0
<5 14 BDL 2,356
11
/
1
3
/
0
2
11
0
1

<
5
0

<
5
0

<
5
0

<
5
0

<
5
0

<
5
0
2,
8
0
0

<
5
0

6
1
0
<50

<
5
0

B
D
L
3,410
11
/
0
3
/
0
3

1
4
5
6
<5
8.
8
<5

<
5

<
5

<
5
3,
1
0
0

8
.
7

3
5
0
<5

6
.
8

B
D
L
3,474
11
/
0
1
/
0
4
18
2
0
<5
15
.
0
<5

<
5

<
5

<
5
2,
7
0
0

1
6

3
3
0
<5

<
5

B
D
L
3,061
10
/
2
5
/
0
5
21
7
8
<5
6.
2
<5

<
5

<
5

<
5
1,
7
0
0

7
.
6

2
5
0
<5

<
5

B
D
L
1,964
11
/
2
8
/
0
6
25
7
7
<1
0

<
2
0

<
1
0

<
2
0

<
1
0

<
1
0
1,
8
0
0
<2
0
290 <10

<
1
0

B
D
L
2,090
10
/
2
5
/
0
7
29
0
8
<1
0
5.
6

J
<1
0

<
1
0

<
1
0

<
1
0
96
0

5
.
3

J

1
4
0
<10

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4
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2

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2
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0
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4
1

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.
2
3

1
0
.
6
8
20
1
0
20
1
1
SI
E
S

P
R
O
J
E
C
T

N
O
:

2
0
1
6
.
0
0
4
8
.
A
A
K
L
TA
B
L
E

4
-
1
OP
E
R
A
T
I
O
N
A
L

D
A
T
A

S
U
M
M
A
R
Y

F
O
R

G
R
O
U
N
D
W
A
T
E
R

R
E
C
O
V
E
R
Y

W
E
L
L
S
LU
M
B
E
R
T
O
N
,

N
O
R
T
H

C
A
R
O
L
I
N
A
AL
A
M
A
C

A
M
E
R
I
C
A
N

K
N
I
T
S

L
L
C
Avg. Flow Rate (gpm) for 1999 - 2005
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

2
0
1
1
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

1
9
9
9
-
2
0
0
5
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

2
0
0
9

A
v
g
.

F
l
o
w

R
a
t
e

(
g
p
m
)

f
o
r

y
e
a
r

2
0
0
9
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

2
0
0
8
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

2
0
0
6
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

2
0
0
7
Da
t
e

Da
y
s

o
f

Op
e
r
a
t
i
o
n
RW
-
1

M
e
t
e
r

Re
a
d
i
n
g
Re
c
o
v
e
r
y

W
e
l
l

D
a
t
a
Cumulative Volume (gal)
Fl
o
w

R
a
t
e
s

(
g
p
m
)
Avg. Flow Rate (gpm) for year 2011Avg. Flow Rate (gpm) for year 2007 Avg. Flow Rate (gpm) for year 2008
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

2
0
1
0

A
v
g
.

F
l
o
w

R
a
t
e

(
g
p
m
)

f
o
r

y
e
a
r

2
0
1
0
N
o
t

A
v
a
i
l
a
b
l
e
Avg. Flow Rate (gpm) for year 2006
RW
-
1

R
W
-
2

R
W
-
3

R
W
-
1

R
W
-
2

T
o
t
a
l

f
r
o
m

a
l
l

R
W
s
To
t
a
l

f
r
o
m

a
l
l

R
W
s

R
W
-
3
N
o
t

A
v
a
i
l
a
b
l
e
N
o
t

A
v
a
i
l
a
b
l
e
Pa
g
e

1

o
f

4
SI
E
S

P
R
O
J
E
C
T

N
O
:

2
0
1
6
.
0
0
4
8
.
A
A
K
L
TA
B
L
E

4
-
1
OP
E
R
A
T
I
O
N
A
L

D
A
T
A

S
U
M
M
A
R
Y

F
O
R

G
R
O
U
N
D
W
A
T
E
R

R
E
C
O
V
E
R
Y

W
E
L
L
S
LU
M
B
E
R
T
O
N
,

N
O
R
T
H

C
A
R
O
L
I
N
A
AL
A
M
A
C

A
M
E
R
I
C
A
N

K
N
I
T
S

L
L
C
Da
t
e

Da
y
s

o
f

Op
e
r
a
t
i
o
n
RW
-
1

M
e
t
e
r

Re
a
d
i
n
g
Re
c
o
v
e
r
y

W
e
l
l

D
a
t
a
Cumulative Volume (gal)
Fl
o
w

R
a
t
e
s

(
g
p
m
)
RW
-
1

R
W
-
2

R
W
-
3

R
W
-
1

R
W
-
2

T
o
t
a
l

f
r
o
m

a
l
l

R
W
s
To
t
a
l

f
r
o
m

a
l
l

R
W
s

R
W
-
3
01
/
0
1
/
1
2

4
4
3
7

1
.
5
2

1
.
5
0

8
.
3
8

1
1
.
4

8
,
4
4
0
,
2
4
8

6
,
5
4
1
,
0
9
3

5
2
,
6
6
6
,
9
1
6

6
7
,
6
4
8
,
2
5
7
02
/
0
1
/
1
2

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4
6
8

1
.
4
5

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.
5
8

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5
6

1
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.
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3
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7
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.
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4
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8
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1
.
1

2
,
0
7
1
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8
8
9

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3
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2
9
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4
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9
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3
9
8
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1
5
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6
6
,
6
7
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8
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3
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06
/
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5

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5

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4
7

8
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6
1

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0
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2

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8
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7
8
6

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3
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3
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5
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3
1
7

9
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4
6
4
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6
3
6

6
7
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4
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5
3
0

8
9
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8
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07
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4

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0

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5
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7
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9
6

9
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6

2
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3
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3
0
9
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5
3
6

9
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5
3
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6
9
9

6
7
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3
8
4
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9
5
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9
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2
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08
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5

5
7
4
5

0
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0
5

1
.
5
4

6
.
5
8

8
.
2

2
,
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8
5
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0

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3
,
3
1
1
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5
8
1

9
,
5
9
9
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6
4
0

6
7
,
7
0
6
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9
2
5

9
0
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6
1
8
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1
4
6
09
/
0
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5

5
7
7
6

0
.
0
3

1
.
5
7

6
.
3
5

8
.
0

2
,
0
8
6
,
4
8
6

1
3
,
3
1
3
,
0
1
7

9
,
6
6
8
,
7
3
6

6
8
,
0
0
4
,
5
3
6

9
0
,
9
8
6
,
2
8
9
10
/
0
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5

5
8
0
6

0
.
0
0

1
.
5
4

6
.
8
5

8
.
4

2
,
0
8
6
,
4
8
7

1
3
,
3
1
3
,
0
1
8

9
,
7
3
6
,
0
4
7

6
8
,
2
7
8
,
0
7
6

9
1
,
3
2
7
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4
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11
/
0
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5

5
8
3
7

0
.
0
0

1
.
5
2

7
.
1
5

8
.
7

2
,
0
8
6
,
5
4
2

1
3
,
3
1
3
,
0
7
3

9
,
8
0
4
,
3
3
3

6
8
,
6
0
9
,
3
2
6

9
1
,
7
2
6
,
7
3
2
12
/
0
1
/
1
5

5
8
6
7

0
.
0
0

1
.
5
8

7
.
8
8

9
.
5

2
,
0
8
6
,
5
4
3

1
3
,
3
1
3
,
0
7
4

9
,
8
7
2
,
6
6
6

6
8
,
9
8
4
,
9
2
2

9
2
,
1
7
0
,
6
6
2
0.
6
6

1
.
5
7

8
.
1
1

1
0
.
3
4

0
.
5
8

1
.
3
4

6
.
6
1

8
.
5
2
20
1
4
20
1
5
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

2
0
1
5

A
v
g
.

F
l
o
w

R
a
t
e

(
g
p
m
)

f
o
r

y
e
a
r

2
0
1
5
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
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n
g

(
g
p
m
)

-

2
0
1
4

A
v
g
.

F
l
o
w

R
a
t
e

(
g
p
m
)

f
o
r

y
e
a
r

2
0
1
4
Pa
g
e

3

o
f

4
SI
E
S

P
R
O
J
E
C
T

N
O
:

2
0
1
6
.
0
0
4
8
.
A
A
K
L
TA
B
L
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4
-
1
OP
E
R
A
T
I
O
N
A
L

D
A
T
A

S
U
M
M
A
R
Y

F
O
R

G
R
O
U
N
D
W
A
T
E
R

R
E
C
O
V
E
R
Y

W
E
L
L
S
LU
M
B
E
R
T
O
N
,

N
O
R
T
H

C
A
R
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L
I
N
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AL
A
M
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C

A
M
E
R
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C
A
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S

L
L
C
Da
t
e

Da
y
s

o
f

Op
e
r
a
t
i
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n
RW
-
1

M
e
t
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r

Re
a
d
i
n
g
Re
c
o
v
e
r
y

W
e
l
l

D
a
t
a
Cumulative Volume (gal)
Fl
o
w

R
a
t
e
s

(
g
p
m
)
RW
-
1

R
W
-
2

R
W
-
3

R
W
-
1

R
W
-
2

T
o
t
a
l

f
r
o
m

a
l
l

R
W
s
To
t
a
l

f
r
o
m

a
l
l

R
W
s

R
W
-
3
01
/
0
1
/
1
6

5
8
9
8

2
.
1
9

1
.
7
3

9
.
9
2

1
3
.
8

2
,
1
5
1
,
3
5
1

1
3
,
3
7
7
,
8
8
2

9
,
9
4
9
,
9
1
0

6
9
,
3
9
2
,
7
3
3

9
2
,
7
2
0
,
5
2
5
02
/
0
1
/
1
6

5
9
2
9

1
.
9
1

1
.
6
3

9
.
8
9

1
3
.
4

2
,
2
5
3
,
3
6
6

1
3
,
4
7
9
,
8
9
7

1
0
,
0
2
4
,
6
2
1

6
9
,
8
3
0
,
4
3
1

9
3
,
3
3
4
,
9
4
9
03
/
0
1
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6

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9
5
8

2
.
6
1

1
.
6
8

9
.
4
0

1
3
.
7

2
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3
5
3
,
9
4
7

1
3
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5
8
0
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4
7
8

1
0
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0
9
6
,
0
6
2

7
0
,
2
4
5
,
8
4
6

9
3
,
9
2
2
,
3
8
6
04
/
0
1
/
1
6

5
9
8
9

2
.
3
3

1
.
6
7

1
0
.
3
3

1
4
.
3

2
,
4
4
2
,
3
8
3

1
3
,
6
6
8
,
9
1
4

1
0
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1
7
1
,
8
0
1

7
0
,
6
8
8
,
0
0
1

9
4
,
5
2
8
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7
1
6
05
/
0
1
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1
6

6
0
1
9

2
.
2
4

1
.
8
2

1
0
.
5
4

1
4
.
6

2
,
5
3
3
,
0
0
3

1
3
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7
5
9
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5
3
4

1
0
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2
4
5
,
5
0
7

7
1
,
1
3
0
,
2
4
9

9
5
,
1
3
5
,
2
9
0
06
/
0
1
/
1
6

6
0
5
0

2
.
0
7

1
.
7
6

8
.
8
9

1
2
.
7

2
,
6
2
5
,
0
4
6

1
3
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8
5
1
,
5
7
7

1
0
,
3
2
4
,
2
9
9

7
1
,
5
0
9
,
2
3
3

9
5
,
6
8
5
,
1
0
9
07
/
0
1
/
1
6

6
0
8
0

1
.
7
0

1
.
6
4

8
.
3
4

1
1
.
7

2
,
7
0
5
,
6
6
8

1
3
,
9
3
2
,
1
9
9

1
0
,
3
9
6
,
7
3
0

7
1
,
8
9
3
,
3
2
6

9
6
,
2
2
2
,
2
5
5
08
/
0
1
/
1
6

6
1
1
1

2
.
3
6

1
.
5
5

7
.
8
4

1
1
.
8

2
,
7
8
5
,
9
2
4

1
4
,
0
1
2
,
4
5
5

1
0
,
4
6
7
,
6
6
3

7
2
,
2
8
6
,
2
4
2

9
6
,
7
6
6
,
3
6
0
09
/
0
1
/
1
6

6
1
4
2

2
.
3
1

1
.
4
7

7
.
0
4

1
0
.
8

2
,
9
0
8
,
1
3
3

1
4
,
1
3
4
,
6
6
4

1
0
,
5
3
5
,
3
0
4

7
2
,
6
1
3
,
7
5
7

9
7
,
2
8
3
,
7
2
5
10
/
0
1
/
1
6

6
1
7
2

2
.
0
4

1
.
5
3

7
.
2
1

1
0
.
8

2
,
9
9
0
,
6
4
1

1
4
,
2
1
7
,
1
7
2

1
0
,
5
9
9
,
7
5
2

7
2
,
9
1
9
,
7
0
2

9
7
,
7
3
6
,
6
2
6
11
/
0
1
/
1
6

6
2
0
3

2
.
1
9

1
.
2
3

7
.
6
7

1
1
.
1

3
,
0
5
8
,
4
2
2

1
4
,
2
8
4
,
9
5
3

1
0
,
6
4
1
,
8
5
4

7
3
,
1
5
7
,
2
9
8

9
8
,
0
8
4
,
1
0
5
12
/
0
1
/
1
6

6
2
3
3

1
.
1
9

1
.
9
0

7
.
0
7

1
0
.
2

3
,
1
4
7
,
0
3
9

1
4
,
3
7
3
,
5
7
0

1
0
,
7
1
9
,
2
6
4

7
3
,
4
7
7
,
8
6
0

9
8
,
5
7
0
,
6
9
4
2.
1
0

1
.
6
3

8
.
6
8

1
2
.
4
1

2
.
0
1

1
.
6
1

8
.
5
2

1
2
.
1
4
20
1
6
Av
g
.

I
n
s
t
a
n
t
a
n
e
o
u
s

F
l
o
w

R
a
t
e

R
e
a
d
i
n
g

(
g
p
m
)

-

2
0
1
6

A
v
g
.

F
l
o
w

R
a
t
e

(
g
p
m
)

f
o
r

y
e
a
r

2
0
1
6
Pa
g
e

4

o
f

4
RW
-
1

R
W
-
2

R
W
-
3

R
W
-
1

R
W
-
2

R
W
-
3
Re
c
o
v
e
r
e
d

P
e
r

Pe
r
i
o
d
C um
u
l
a
t
i
v
e

To
t
a
l
RW-1

R
W
-
2

R
W
-
3
Removed Per PeriodCumulative Total
11
/
0
3
/
9
9

-
5

2
,
4
7
9

5
1
,
0
2
0

5
1
7

0

0

0

0

0
11
/
0
8
/
9
9

0

N
A
N A
N A
58
3

7
2
8

1
,
5
8
4

2
,
8
9
5

2
,
8
9
5
0.0

0
.
3

0
.
0

0
.
3

0
.
3
02
/
0
3
/
0
0

8
7

4
,
5
6
2

4
4
,
2
5
5

6
,
8
3
7

1
7
8
,
2
9
7

2
2
4
,
0
7
8

1
,
4
5
4
,
7
5
1

1
,
8
5
4
,
2
3
1

1
,
8
5
7
,
1
2
6
6.7

8
2
.
2

8
2
.
6

1
7
2
.
0

1
7
1
.
9
04
/
2
6
/
0
0

1
7
0

3
,
8
6
3

4
1
,
2
5
6

7
,
1
2
7

2
9
6
,
7
3
8

3
1
4
,
2
1
3

2
,
8
7
9
,
6
2
3

1
,
6
3
3
,
4
4
8

3
,
4
9
0
,
5
7
4
3.8

3
0
.
9

8
4
.
4

1
1
9
.
0

2
9
1
.
1
07
/
2
4
/
0
0

2
5
9

N
A

N
A

N
A

3
9
0
,
9
8
0

3
7
5
,
6
2
5

4
,
4
5
4
,
6
7
1

1
,
7
3
0
,
7
0
2

5
,
2
2
1
,
2
7
6
07
/
2
5
/
0
0

2
6
0

5
,
3
3
0

3
4
,
9
7
7

5
,
8
2
0
4.2

1
7
.
9

7
6
.
2

9
8
.
0

3
8
9
.
3
10
/
2
4
/
0
0

3
5
1

6
,
9
4
5

3
4
,
4
8
0

7
,
7
3
3
02
/
1
5
/
0
1

4
6
5

1
0
,
1
5
5

4
3
,
1
7
1

9
,
3
4
6

8
7
2
,
9
5
9

5
5
7
,
9
3
0

7
,
3
6
6
,
8
7
1

3
,
5
7
6
,
4
8
4

8
,
7
9
7
,
7
6
0
34.3

5
8
.
9

2
0
6
.
8

3
0
0
.
0

6
8
9
.
3
05
/
2
2
/
0
1

5
6
1

2
,
3
8
5

3
4
,
1
4
0

6
,
5
1
9

1
,
0
1
0
,
2
6
8

5
7
4
,
5
7
3

8
,
4
6
8
,
7
9
3

1
,
2
5
5
,
8
7
4

1
0
,
0
5
3
,
6
3
4
2.7

4
.
7

5
9
.
7

6
7
.
0

7
5
6
.
5
08
/
2
8
/
0
1

6
5
9

3
,
1
4
5

1
7
,
7
7
1

5
,
9
3
0

1
,
1
6
8
,
3
9
9

6
0
9
,
2
4
3

9
,
6
5
9
,
4
6
6

1
,
3
8
3
,
4
7
4

1
1
,
4
3
7
,
1
0
8
4.1

5
.
1

5
8
.
7

6
8
.
0

8
2
4
.
4
11
/
1
4
/
0
1

7
3
7

4
,
4
3
4

2
0
,
9
1
3

2
,
5
3
6
11
/
1
5
/
0
1

7
3
8

N
A
N A
N A
1,
3
0
1
,
8
6
6

6
9
3
,
3
5
7

1
0
,
5
2
5
,
1
4
9

1
,
0
8
3
,
2
6
4

1
2
,
5
2
0
,
3
7
2
4.9

1
4
.
6

1
8
.
3

3
8
.
0

8
6
2
.
2
02
/
1
3
/
0
2

8
2
8

5
,
8
4
4

2
4
,
0
3
3

3
,
9
3
8

1
,
4
6
5
,
1
0
0

8
0
3
,
3
0
3

1
1
,
5
9
8
,
2
6
4

1
,
3
4
6
,
2
9
5

1
3
,
8
6
6
,
6
6
7
7.9

2
2
.
0

3
5
.
1

6
5
.
0

9
2
7
.
3
05
/
2
0
/
0
2

9
2
4

N
A

N
A

N
A

1
,
6
5
2
,
6
1
2

9
0
2
,
3
2
1

1
2
,
8
1
3
,
5
8
5

1
,
5
0
1
,
8
5
1

1
5
,
3
6
8
,
5
1
8
8.2

2
4
.
5

4
4
.
1

7
7
.
0

1
,
0
0
4
.
0
05
/
2
1
/
0
2

9
2
5

5
,
2
3
4

2
9
,
7
0
0

4
,
3
6
4
08
/
0
5
/
0
2

1
0
0
1

N
A

N
A

N
A

1
,
8
0
6
,
4
2
8

9
8
1
,
7
9
9

1
3
,
8
2
1
,
4
9
3

1
,
2
4
1
,
2
0
2

1
6
,
6
0
9
,
7
2
0
6.3

1
8
.
6

3
2
.
7

5
8
.
0

1
,
0
6
1
.
6
08
/
0
6
/
0
2

1
0
0
2

4
,
9
2
0

2
8
,
1
3
6

3
,
9
0
0
11
/
1
3
/
0
2

1
1
0
1

5
,
1
1
3

3
7
,
7
9
1

3
,
4
1
0

2
,
0
0
1
,
7
0
3

1
,
1
2
0
,
9
4
3

1
4
,
9
5
0
,
2
4
0

1
,
4
6
3
,
1
6
6

1
8
,
0
7
2
,
8
8
6
8.3

4
3
.
7

3
2
.
0

8
4
.
0

1
,
1
4
5
.
6
02
/
1
1
/
0
3

1
1
9
1

6
,
3
7
2

2
8
,
4
6
8

3
,
0
7
9
02
/
1
2
/
0
3

1
1
9
2

N
A

N
A

N
A

2
,
1
8
6
,
2
7
8

1
,
2
3
6
,
5
7
7

1
5
,
9
8
8
,
2
4
2

1
,
3
3
8
,
2
1
1

1
9
,
4
1
1
,
0
9
7
9.8

2
7
.
4

2
6
.
6

6
4
.
0

1
,
2
0
9
.
4
05
/
1
3
/
0
3

1
2
8
2

5
,
0
1
0

2
4
,
8
5
0

2
,
2
9
2
5/
1
4
/
2
0
0
3

1
2
8
3

N
A

N
A

N
A

2
,
4
2
2
,
7
6
9

1
,
3
4
2
,
6
9
4

1
7
,
0
3
5
,
2
6
9

1
,
3
8
9
,
6
3
5

2
0
,
8
0
0
,
7
3
2
9.9

2
1
.
9

2
0
.
0

5
2
.
0

1
,
2
6
1
.
1
8/
2
6
/
2
0
0
3

1
3
8
7

4
,
6
3
0

2
4
,
3
5
0

3
,
3
1
8
8/
2
7
/
2
0
0
3

1
3
8
8

N
A

N
A

N
A

2
,
7
2
7
,
8
7
5

1
,
4
5
3
,
0
9
0

1
8
,
2
0
5
,
9
5
9

1
,
5
8
6
,
1
9
2

2
2
,
3
8
6
,
9
2
4
11.7

2
2
.
4

3
2
.
3

6
6
.
0

1
,
3
2
7
.
5
11
/
3
/
2
0
0
3

1
4
5
6

5
,
1
0
5

2
9
,
1
9
3

3
,
4
7
4
11
/
7
/
2
0
0
3

1
4
6
0

N
A
N A
N A
2,
9
3
0
,
7
8
5

1
,
5
3
6
,
8
2
4

1
8
,
9
7
1
,
9
3
4

1
,
0
5
2
,
6
1
9

2
3
,
4
3
9
,
5
4
3
8.6

2
0
.
3

2
2
.
1

5
1
.
1

1
,
3
7
8
.
6
2/
2
0
/
2
0
0
4

1
5
6
5

5
,
8
6
4

3
3
,
9
6
9

2
,
5
2
3

3
,
2
2
5
,
2
8
5

1
,
6
5
5
,
7
0
1

2
0
,
1
1
3
,
4
5
4

1
,
5
5
4
,
8
9
7

2
4
,
9
9
4
,
4
4
0
14.4

3
3
.
6

2
4
.
0

7
1
.
9

1
,
4
5
0
.
5
11
/
1
/
2
0
0
4

1
8
2
0

5
,
4
8
5

2
8
,
6
9
8

3
,
0
6
1

3
,
8
6
5
,
0
3
8

1
,
9
2
8
,
4
6
5

2
2
,
7
9
7
,
6
0
6

3
,
5
9
6
,
6
6
9

2
8
,
5
9
1
,
1
0
9
29.2

6
5
.
1

6
8
.
3

1
6
2
.
6

1
,
6
1
3
.
1
10
/
2
5
/
2
0
0
5

2
1
7
8

5
,
0
9
3

2
3
,
7
2
3

1
,
9
6
4

4
,
8
3
4
,
2
8
5

2
,
3
9
0
,
0
0
3

2
7
,
0
9
2
,
2
4
2

5
,
7
2
5
,
4
2
1

3
4
,
3
1
6
,
5
3
0
41.1

9
1
.
1

7
0
.
1

2
0
2
.
2

1
,
8
1
5
.
3
11
/
2
8
/
2
0
0
6

2
5
7
7

6
,
4
4
9

2
0
,
8
7
0

2
,
0
9
0

5
,
6
0
1
,
0
1
9

2
,
9
3
0
,
8
2
1

3
0
,
9
6
4
,
1
4
7

5
,
1
7
9
,
4
5
7

3
9
,
4
9
5
,
9
8
7
41.1

9
3
.
9

6
7
.
3

2
0
2
.
3

2
,
0
1
7
.
6
10
/
2
5
/
2
0
0
7

2
9
0
8

5
,
1
9
9

2
0
,
7
2
0

1
,
1
1
1

6
,
1
8
9
,
5
8
3

3
,
5
9
6
,
8
2
0

3
4
,
6
4
7
,
8
5
1

4
,
9
3
8
,
2
6
7

4
4
,
4
3
4
,
2
5
4
25.4

1
1
4
.
8

3
4
.
0

1
7
4
.
2

2
,
1
9
1
.
8
11
/
3
0
/
2
0
0
8

3
3
1
0

6
,
8
8
9

1
8
,
8
1
0

1
,
8
6
7

6
,
7
3
6
,
6
2
8

4
,
3
4
0
,
1
7
6

3
9
,
2
3
6
,
3
2
3

5
,
8
7
8
,
8
7
3

5
0
,
3
1
3
,
1
2
7
31.3

1
1
6
.
3

7
1
.
2

2
1
8
.
9

2
,
4
1
0
.
7
10
/
3
0
/
2
0
0
9

3
6
4
4

7
,
1
7
9

1
6
,
3
0
8

1
,
2
5
3

7
,
2
4
3
,
1
7
3

4
,
9
6
9
,
2
4
1

4
3
,
2
0
8
,
8
5
4

5
,
1
0
8
,
1
4
1

5
5
,
4
2
1
,
2
6
8
30.2

8
5
.
3

4
1
.
4

1
5
6
.
9

2
,
5
6
7
.
6
11
/
2
/
2
0
1
0

4
0
1
2

7
,
2
9
0

1
4
,
7
2
4

1
,
4
7
1

7
,
8
0
6
,
1
5
5

5
,
6
8
2
,
5
5
4

4
7
,
6
3
2
,
5
7
9

5
,
7
0
0
,
0
2
0

6
1
,
1
2
1
,
2
8
8
34.1

8
7
.
3

5
4
.
1

1
7
5
.
6

2
,
7
4
3
.
2
11
/
1
/
2
0
1
1

4
3
7
6

5
,
9
3
0

1
3
,
7
5
4

1
,
4
9
4

8
,
3
3
5
,
7
5
2

6
,
4
1
2
,
0
7
9

5
1
,
9
9
2
,
1
6
7

5
,
6
1
8
,
7
1
0

6
6
,
7
3
9
,
9
9
8
26.1

8
3
.
4

5
4
.
2

1
6
3
.
7

2
,
9
0
6
.
9
11
/
2
/
2
0
1
2

4
7
4
3

8
,
5
4
0

1
2
,
6
8
0

1
,
3
4
2

9
,
0
8
3
,
1
4
5

7
,
2
0
4
,
4
0
9

5
6
,
3
3
4
,
9
5
1

5
,
8
8
2
,
5
0
7

7
2
,
6
2
2
,
5
0
5
53.1

8
3
.
5

4
8
.
5

1
8
5
.
1

3
,
0
9
2
.
0
11
/
6
/
2
0
1
3

5
1
1
2

1
1
,
0
7
1

1
0
,
6
3
0

1
,
3
2
0

1
0
,
2
1
9
,
6
2
4

8
,
0
7
1
,
3
7
9

6
0
,
5
7
1
,
4
5
1

6
,
2
3
9
,
9
4
9

7
8
,
8
6
2
,
4
5
4
104.6

7
6
.
6

4
6
.
5

2
2
7
.
8

3
,
3
1
9
.
8
12
/
9
/
2
0
1
4

5
5
1
0

8
,
7
8
0

1
0
,
1
3
6

7
8
2

1
3
,
0
3
2
,
8
1
9

9
,
0
5
2
,
1
4
1

6
4
,
8
8
0
,
5
2
6

8
,
1
0
3
,
0
3
2

8
6
,
9
6
5
,
4
8
6
205.4

8
2
.
7

2
8
.
0

3
1
6
.
1

3
,
6
3
5
.
9
11
/
1
/
2
0
1
5

5
8
3
7

1
0
0

9
,
4
4
9

1
,
4
8
8

2
,
0
8
6
,
5
4
2
*

9
,
8
0
4
,
3
3
3

6
8
,
6
0
9
,
3
2
6

4
,
7
5
9
,
2
4
6

9
1
,
7
2
4
,
7
3
2
0.231

5
9
.
1

4
6
.
2

1
0
5
.
5

3
,
7
4
1
.
4
11
/
3
/
2
0
1
6

6
2
0
5

1
0
,
7
6
7

7
,
0
9
3

1
,
2
6
0

3
,
0
6
4
,
7
5
0

1
0
,
6
4
5
,
3
9
8

7
3
,
1
7
9
,
2
7
3

6
,
3
8
9
,
2
2
0

9
8
,
1
1
3
,
9
5
2
87.6

4
9
.
6

4
7
.
9

1
8
5
.
1

3
,
9
2
6
.
5
855.3

1
5
3
7
.
7

1
5
3
3
.
3
Cumulative of All RWs 3926.4
NA

=

N
o
t

a
n
a
l
y
z
e
d
.

*
T
o
t
a
l
i
z
e
r

c
h
a
n
g
e
d
.

V
a
l
u
e

s
u
b
t
r
a
c
t
e
d

f
r
o
m

i
n
i
t
i
a
l

r
e
a
d
i
n
g

o
f

1
,
8
0
8
,
2
8
8

To
t
a
l

P
o
u
n
d
s

R
e
m
o
v
e
d

S
i
n
c
e

S
t
a
r
t
u
p

b
y

R
e
c
o
v
e
r
y

W
e
l
l

TA
B
L
E

4
-
2

CA
L
C
U
L
A
T
I
O
N

O
F

M
A
S
S

O
F

V
O
L
A
T
I
L
E

O
R
G
A
N
I
C

C
O
M
P
O
U
N
D
S

R
E
M
O
V
E
D

F
R
O
M

G
R
O
U
N
D
W
A
T
E
R

B
Y

T
H
E

R
E
C
O
V
E
R
Y

W
E
L
L

N
E
T
W
O
R
K
AL
A
M
A
C

A
M
E
R
I
C
A
N

K
N
I
T
S

L
L
C
LU
M
B
E
R
T
O
N
,

N
O
R
T
H

C
A
R
O
L
I
N
A
(µ
g
/
L
)

(
G
a
l
l
o
n
s
)
Pounds (lbs) Removed
To
t
a
l

V
O
C
s

R
e
c
o
v
e
r
y

W
e
l
l
s

C
a
l
c
u
l
a
t
e
d

M
a
s
s

R
e
m
o
v
a
l
SI
E
S

P
R
O
J
E
C
T

N
O
:

2
0
1
6
.
0
0
4
8
.
A
A
K
L
Sa
m
p
l
i
n
g

D
a
t
e
Da
y
s

a
f
t
e
r

St
a
r
t
u
p
Pa
g
e

1

o
f

1
Tetrachloroethene Trichloroethene
cis -1,2-
Dichloroethene Vinyl Chloride
(µg/L)(µg/L)(µg/L)(µg/L)
1999 11/09/99 <5 <5 <5 <5
04/13/00 <5 <5 <5 <10
09/04/01 <5 <5 <5 <10
11/05/02 <5 <5 <5 <10
12/01/03 <5 <5 <5 <10
2004 12/07/04 <5 <5 0.8 <10
2005 10/04/05 <0.01 <0.01 <0.01 <0.01
2006 12/11/06 <1.0 <1.0 <1.0 <2.0
12/04/07 <5.0 <5.0 <5.0 <10.0
09/16/08 <2.0 <1.0 <1.0 <2.0
12/15/09 <1.0 <1.0 <1.0 <2.0
12/14/10 <1.0 <1.0 <1.0 <2.0
03/11/11 <1.0 <1.0 <1.0 <2.0
06/14/11 <1.0 <1.0 <1.0 <2.0
09/13/11 <1.0 <1.0 <1.0 <2.0
12/13/11 <1.0 <1.0 <1.0 <2.0
03/12/12 <1.0 <1.0 <1.0 <2.0
06/12/12 <1.0 <1.0 <1.0 <2.0
09/11/12 <1.0 <1.0 <1.0 <2.0
12/04/12 <1.0 <1.0 <1.0 <2.0
03/05/13 <1.0 <1.0 <1.0 <2.0
06/11/13 <1.0 <1.0 <1.0 <2.0
09/10/13 <1.0 <1.0 <1.0 <2.0
12/10/13 <1.0 <1.0 <1.0 <2.0
03/11/14 <1.0 <1.0 <1.0 <2.0
06/10/14 <1.0 <1.0 <1.0 <2.0
09/23/14 <1.0 <1.0 <1.0 <2.0
12/17/14 <1.0 <1.0 <1.0 <2.0
03/17/15 <1.0 <1.0 <1.0 <2.0
06/09/15 <0.250 <0.250 <0.250 <0.250
09/15/15 <0.250 <0.250 <0.250 <0.250
12/08/15 <0.250 <0.250 <0.250 <0.250
03/15/16 <0.250 <0.250 <0.250 <0.250
06/07/16 <0.250 <0.250 <0.250 <0.250
09/13/16 <0.250 <0.250 <0.250 <0.250
12/13/16 <0.250 <0.250 0.335 <0.250
TABLE 4-3
ALAMAC AMERICAN KNITS LLC
LUMBERTON, NORTH CAROLINA
SIES PROJECT NO: 2016.0048.AAKL
HISTORICAL SUMMARY OF VOLATILE ORGANIC COMPOUNDS IN ON-SITE
WASTEWATER TREATMENT PLANT EFFLUENT
Sample
Date
2001
2002
2000
2010
2009
2008
WWTP
Effluent
2003
2007
20
1
1
20
1
6

2
0
1
5

2
0
1
4

2
0
1
3

2
0
1
2
Notes:
All samples were collected by Alamac as part of their monthly NPDES permit monitoring.
Quarterly data for 1999 through 2010 included in prior Groundwater Monitoring Reports.
Bold indicates value exceeded laboratory method detection limit.
< = Constituent less than method detection limit shown
Page 1 of 1

FIGURES
0
2,000
4,000
6,000
8,000
10,000
12,000
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000
Co
n
c
e
n
t
r
a
t
i
o
n

(
µ
g
/
L
)
Days Since Startup
Figure 3a. Chlorinated Ethene Concentrations
PCE TCE cis-1,2-DCE VC Total VOCs
0
100
200
300
400
500
600
700
800
900
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000
lb
s

V
O
C
s
Days Since Start Up
Figure 3b. VOC Removal
RW‐1 RW‐1 Cumul. Lbs  VOCs
Figure 3. Performance Monitoring in RW-1
0
10,000
20,000
30,000
40,000
50,000
60,000
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000
Co
n
c
e
n
t
r
a
t
i
o
n

(
µ
g
/
L
)
Days Since Startup
Figure 4a. Chlorinated Ethene Concentrations
PCE TCE cis-1,2-DCE VC Total VOCs
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000
lb
s

V
O
C
s
Days Since Start Up
Figure 4b. VOC Removal
RW‐2 RW‐2 Cumul. Lbs  VOCs
Figure 4. Performance Monitoring in RW-2
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000
Co
n
c
e
n
t
r
a
t
i
o
n

(
µ
g
/
L
)
Days Since Startup
Figure 5a. Chlorinated Ethene Concentrations
PCE TCE cis-1,2-DCE VC Total VOCs
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
0 1,000 2,000 3,000 4,000 5,000 6,000 7,000
lb
s

V
O
C
s
Days Since Start Up
Figure 5b. VOC Removal
RW‐3 RW‐3 Cumul. Lbs  VOCs
Figure 5. Performance Monitoring in RW-3

APPENDIX A
FIELD NOTES

APPENDIX B
LABORATORY ANALYTICAL REPORTS
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* * A M E N D E D * *
Fayetteville Division
Certificate of Analysis
Project: WW samples - Qrtly, 001
Date Reported: 12/08/16Alamac American Knits - Lumb
Post Office Box 1347
Mr. Cleve Collins
Lumberton NC, 28359
Date Sampled: 06/07/16
Sampled By: Collins
Date Received: 06/07/16
ResultAnalyte Analyzed Method QualifierUnits
K6F0253-01
Analyzed By
Effluent 001, Composite
Analyzed by: Microbac Laboratories, Inc. - Fayetteville
Chromium mg/L EPA 200.7 Rev 4.4 199406/13/16 14:38 AC0.002
ResultAnalyte Analyzed Method QualifierUnits
K6F0253-02
Analyzed By
Effluent 001, Grab
Analyzed by: Microbac Laboratories, Inc. - Fayetteville
Copper mg/L EPA 200.7 Rev 4.4 199406/09/16 15:17 AC0.028
Phenolics, Total Recoverable mg/L EPA 420.1 (1978)06/16/16 11:50 SW<0.00500
Zinc mg/L EPA 200.7 Rev 4.4 199406/09/16 15:17 AC0.045
Analyzed by: Microbac Laboratories, Inc. - Ohio Valley
cis-1,2-Dichloroethene ug/L E62406/14/16 05:00 TMB<0.250
Tetrachloroethene ug/L E62406/14/16 05:00 TMB<0.250
Trichloroethene ug/L E62406/14/16 05:00 TMB<0.250
Vinyl chloride ug/L E62406/14/16 05:00 TMB<0.250
63% - 140%101 %E62406/14/16 05:00 TMBSurrogate: 1,2-Dichloroethane-d4
54% - 123%106 %E62406/14/16 05:00 TMBSurrogate: 4-Bromofluorobenzene
53% - 142%99.8 %E62406/14/16 05:00 TMBSurrogate: Toluene-d8
Sulfide mg/L A4500F06/13/16 17:15 TB<0.500
QC Batch Run - (Microbac Laboratories, Inc. - Fayetteville)
SourceResultUnits LimitRPDAnalyte
Zinc 1 10mg/L0.176 K6F0189
Phenolics, Total Recoverable 0.1 200mg/L0.794 K6F0043
Chromium 1 200mg/L0.254 0044539
Zinc 2 200mg/L0.264 0044503
Copper 0.7 10mg/L0.280 K6F0189
Copper 29 10mg/L0.003 K6F0189
Copper 2 200mg/L0.261 0044503
Zinc 6 10mg/L0.428 K6F0189
Page 1 of 3
* * A M E N D E D * *
Fayetteville Division
Certificate of Analysis
Project: WW samples - Qrtly, 001
Date Reported: 12/08/16Alamac American Knits - Lumb
Post Office Box 1347
Mr. Cleve Collins
Lumberton NC, 28359
Date Sampled: 06/07/16
Sampled By: Collins
Date Received: 06/07/16
QC Batch Run - (Microbac Laboratories, Inc. - Ohio Valley)
SourceResultUnits LimitRPDAnalyte
Report amended on December 08, 2016 for work order K6F0253 that was originally reported on June 27, 2016; Correct report to reflect specific 624 results
as requested by client.
Notes and Definitions
U Not detected at or above adjusted sample detection limit
State Certifications:
NCDNR #11
NCDOH #37714
Respectfully Submitted
Jeanne Overstreet, Project Manager
Thank you for your business. We invite your feedback on our level of service to you. Please contact the Division Manager, Rob Dermer at 910-864-1920 with any
questions. You may also contact J. Trevor Boyce, President at [e-mail]
Page 2 of 3
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* * A M E N D E D * *
Fayetteville Division
Certificate of Analysis
Project: WW samples - Qrtly, 001
Date Reported: 12/07/16Alamac American Knits - Lumb
Post Office Box 1347
Mr. Cleve Collins
Lumberton NC, 28359
Date Sampled: 09/13/16
Sampled By: Collins
Date Received: 09/13/16
ResultAnalyte Analyzed Method QualifierUnits
K6I0317-01
Analyzed By
Effluent 001, Composite
Analyzed by: Microbac Laboratories, Inc. - Fayetteville
Chromium mg/L EPA 200.7 Rev 4.4 199409/16/16 15:52 JAW0.001
ResultAnalyte Analyzed Method QualifierUnits
K6I0317-02
Analyzed By
Effluent 001, grab
Analyzed by: ECI
Sulfide, Total mg/L SM 4500-S2- F-200009/06/16 00:00 TD0.05
Analyzed by: Microbac Laboratories, Inc. - Fayetteville
Nitrate as N mg/L EPA 300.0, Rev. 2.1 (1993)09/15/16 11:58 AC1.13
Nitrite as N mg/L EPA 300.0, Rev. 2.1 (1993)09/15/16 11:58 AC<0.0500
Phenolics, Total Recoverable A12mg/L EPA 420.1 (1978)09/20/16 12:03 SW0.924
Total Kjeldahl Nitrogen mg/L SM 4500-Norg C-199709/20/16 09:42 SW9.75
Zinc mg/L EPA 200.7 Rev 4.4 199409/16/16 15:52 JAW0.021
Analyzed by: Microbac Laboratories, Inc. - Ohio Valley
Copper, Total mg/L E200.709/23/16 16:38 AMA0.0254
cis-1,2-Dichloroethene ug/L E62409/20/16 00:34 TMB<0.250
Tetrachloroethene ug/L E62409/20/16 00:34 TMB<0.250
Trichloroethene ug/L E62409/20/16 00:34 TMB<0.250
Vinyl chloride ug/L E62409/20/16 00:34 TMB<0.250
63% - 140%106 %E62409/20/16 00:34 TMBSurrogate: 1,2-Dichloroethane-d4
54% - 123%97.5 %E62409/20/16 00:34 TMBSurrogate: 4-Bromofluorobenzene
53% - 142%100 %E62409/20/16 00:34 TMBSurrogate: Toluene-d8
ResultAnalyte Analyzed Method QualifierUnits
K6I0317-04
Analyzed By
Effluent 001, grab (re-run)
Analyzed by: Microbac Laboratories, Inc. - Fayetteville
Phenolics, Total Recoverable mg/L EPA 420.1 (1978)10/11/16 12:00 SW1.76
Page 1 of 4
* * A M E N D E D * *
Fayetteville Division
Certificate of Analysis
Project: WW samples - Qrtly, 001
Date Reported: 12/07/16Alamac American Knits - Lumb
Post Office Box 1347
Mr. Cleve Collins
Lumberton NC, 28359
Date Sampled: 09/13/16
Sampled By: Collins
Date Received: 09/13/16
QC Batch Run - (Microbac Laboratories, Inc. - Fayetteville)
SourceResultUnits LimitRPDAnalyte
Nitrite as N 200mg/LND K6I0427
Phenolics, Total Recoverable 10 200mg/L0.833 K6I0317
Phenolics, Total Recoverable 82 200mg/L0.123 K6I0194
Chromium 200mg/LND K6I0318
Chromium 0 200mg/L0.003 K6I0506
Nitrite as N 200mg/LND K6I0355
Nitrate as N 25 200mg/L0.125 K6I0427
Nitrate as N 7 200mg/L0.972 K6I0355
Zinc 0 10mg/L0.005 K6I0506
Zinc 6 10mg/L0.266 K6I0506
Zinc 0 10mg/L0.277 K6I0318
Zinc 0 10mg/L0.003 K6I0318
Chromium 5 200mg/L0.247 K6I0506
Chromium 4 200mg/L0.250 K6I0318
QC Batch Run - (Microbac Laboratories, Inc. - Ohio Valley)
SourceResultUnits LimitRPDAnalyte
Report amended on October 12, 2016 for work order K6I0317 that was originally reported on September 27, 2016; Client requested sample 02 rerun as
sample 04.
Notes and Definitions
U Not detected at or above adjusted sample detection limit
A12 MS/MSD fail recovery, but the LCS passes criteria.
State Certifications:
NCDNR #11
NCDOH #37714
Respectfully Submitted
Jeanne Overstreet, Project Manager
Thank you for your business. We invite your feedback on our level of service to you. Please contact the Division Manager, Rob Dermer at 910-864-1920 with any
questions. You may also contact J. Trevor Boyce, President at [e-mail]
Page 2 of 4
Page 3 of 4
Page 4 of 4

APPENDIX C
MONTHLY RECOVERY WELL FLOW REPORTS