9231_BrownfieldRdCDLF_GWMReport_DIN26369_20151202

SECOND SEMI-ANNUAL 2015
SAMPLING EVENT
Wake Reclamation, LLC – Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina

Submitted To:
Wake Reclamation, LLC
Brownfield Road C&D Landfill 2600 Brown-Field Road
Raleigh, NC. 27610 USA

Submitted By: Golder Associates NC, Inc.
5B Oak Branch Drive Greensboro, NC. 27407 USA

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Golder, Golder Associates and the GA globe design are trademarks of Golder Associates Corporation
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Table of Contents
COVER LETTER
1.0 INTRODUCTION .............................................................................................................................. 1
1.1 Site Description and Background ................................................................................................. 1
1.2 Compliance Monitoring History .................................................................................................... 1
1.3 Hydrogeologic Setting .................................................................................................................. 2
2.0 FIELD PROGRAM, MONITORING RESULTS, AND DISCUSSION ............................................... 3
2.1 Visual Inspection Program ........................................................................................................... 3
2.2 Well Network and Groundwater Elevation Measurements .......................................................... 4
2.3 December 2015 Groundwater and Surface Water Monitoring Event .......................................... 4
2.4 Laboratory Analysis Program ....................................................................................................... 5
2.5 December 2015 Sampling Results .............................................................................................. 5
3.0 LABORATORY AND FIELD QA/QC ................................................................................................ 6
4.0 DATA EVALUATIONS ..................................................................................................................... 6
4.1 December 2015 Groundwater and Surface Water Quality Standard Comparisons .................... 6
4.2 December 2015 Statistical Evaluations ....................................................................................... 7
5.0 EVALUATION OF CORRECTIVE MEASURES .............................................................................. 7
6.0 CONCLUSIONS ............................................................................................................................... 8
7.0 REFERENCES ................................................................................................................................. 8
Tables
Table 1 Summary of Historical Groundwater Elevation Data in Monitoring Wells Table 2 Summary of Estimated Horizontal Flow Velocities
Table 3 Summary of Well Construction Information Table 4 Summary of Detected Constituents in Groundwater
Table 5 Summary of Field Parameters from Groundwater Monitoring Points Table 6 Summary of Detected Constituents in Surface Water
Table 7 Summary of Field Parameters from Surface Water Monitoring Points
Figure
Figure 1 Trend Graphs of Detected VOCs in Samples from MW-3
Drawing
Drawing 1 Groundwater Contour Map, December 2, 2015
Appendices
Appendix A Groundwater and Surface Water Sampling Logs Appendix B December 2015 Groundwater and Surface Water Certificate-of-Analysis, Chain-of-
Custody Forms, and Laboratory Data Review Appendix C Statistical Evaluation Worksheets & Summary Table
Appendix D Groundwater Monitoring Well Maintenance Records

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1.0 INTRODUCTION
This report summarizes the monitoring results from the December 2, 2015, groundwater and surface
water sampling event at the Brownfield Road Construction & Demolition (C&D) Landfill in Wake County,
North Carolina (NC) in accordance with Title 15A of the North Carolina Administrative Code (NCAC)
Subchapter 13B.0544. The Brownfield Road C&D Landfill, an active C&D landfill, is owned and operated
by Wake Reclamation, LLC, a subsidiary of Waste Industries USA, Inc. (Waste Industries) under Permit
No. 92-31 issued by the NC Department of Environment and Natural Resources (DENR).
1.1 Site Description and Background
The location of the facility is shown on the inlay on Drawing 1. As presented, the Brownfield Road C&D
Landfill is located along Brown-Field Road near the town of Garner in Wake County, NC. The site
consists of approximately 210 acres, of which, approximately 19 acres are permitted as the Phase 1
waste unit and approximately 16.7 acres are permitted as the Phase 2A waste unit.
There are three small northwest-trending unnamed streams that traverse the site to intersect a north-
trending unnamed stream that parallels the western facility property line. Two of the smaller drainages
originate at 2- to 4-acre man-made ponds. The larger stream along the property line coincides with the
location of a regional-scale diabase dike. A small storm water basin was constructed along the western
boundary of Phase 1.
Topographic surface elevations at the facility range from elevations of approximately 180 to 290 feet
above mean sea level. The northern portion of the site was previously used by the City of Raleigh for
land application of wastewater sludge for approximately eleven years. Some of the parcels surrounding
the site are still used for this purpose. The remainder of the facility consists of wooded areas, grass, and
heavy brush.
1.2 Compliance Monitoring History
Groundwater monitoring at the facility was initiated in May 2002 after approval of the Groundwater
Monitoring Plan by the NC DENR. Waste was first accepted at the site in October 2003. The facility’s
original monitoring network was comprised of five monitoring wells (MW-1, MW-2, MW-3, MW-4, and
MW-5) which monitor the uppermost aquifer beneath the facility. In addition to the groundwater
monitoring points, the facility’s original monitoring network included three surface water sampling points,
SW-1, which is upstream of the waste area along the major tributary, and SW-2 and SW-3, which are
downstream monitoring points relative to the waste area.
A voluntary Alternate Source Demonstration (ASD) was approved by the NC DENR Division of Waste
Management, Solid Waste Section on May 15, 2008, which evaluated the source of
trichlorofluoromethane in samples from MW-3. Based on the findings of the ASD, the most likely source
for trichlorofluoromethane detected in samples from MW-3 is landfill gas. Subsequently, a Landfill Gas

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Remediation Plan (LGRP) was submitted to address methane migration in the vicinity of MW-3, which
was approved by NC DENR on July 1, 2010. As proposed in the LGRP, a cut-off trench was installed
prior to the December 2010 monitoring event. The effectiveness of the corrective measures was to be
evaluated 2 years after the installation of the cut-off trench per the requirements of the July 1, 2010, letter.
The evaluation was presented in the Second Semi-Annual Water Quality Monitoring Report of 2012,
which determined that based on the data available and expected groundwater travel times, it is unlikely
that recent samples from MW-3 reflect positive effects the cut-off trench may have on groundwater
quality. NC DENR approved an additional 3 years to re-evaluate groundwater quality at MW-3 in a letter
dated September 16, 2013. Therefore, the effectiveness of the cut-off trench is re-evaluated in this report
(see Section 5.0).
Four groundwater monitoring wells (MW-6As, MW-6Ad, MW-7As, and MW-7Ad) were installed in May
and June 2011 related to the Phase 2A expansion of the landfill. Background sampling of the new wells
took place during the June 2011 water quality monitoring event and was documented in the Summary of
Piezometer Decommissioning, Monitoring Well and Gas Probe Installation, Monitoring Well Development,
Pump Installations, and Background Sampling for Phase 2A Landfill Expansion dated September 22,
2011. The wells were sampled as part of the monitoring network for the first time during the June 2012
routine sampling event.
A letter entitled “Groundwater Monitoring Network Adjustment” was submitted to NC DENR on September
10, 2014, to request changes to the groundwater monitoring network. The proposed modifications
included the removal of three monitoring wells (MW-6Ad, MW-7As, and MW-7Ad) from the monitoring
network and the elimination of three future wells (MW-8, MW-9s, and MW-9d) that were to be installed as
part of the Phase 2 expansion. Approval of the request was received from NC DENR on September 16,
2014. The existing wells removed from the monitoring network are to remain in place as groundwater
depth measurement points and future monitoring locations, should conditions change (Smith Gardner
2014).
1.3 Hydrogeologic Setting
Geologically, the facility is located within the southern portion of the Raleigh Belt, which is near the
eastern boundary of the Piedmont Physiographic Province. The bedrock at the facility consists of the
granite of the Rolesville Batholith. The granite observed at the site is predominantly a medium-grained
biotite granite and biotite-muscovite granite with garnets. Northwest trending Mesozoic diabase dikes are
also common in this region (Stoddard et al. 1991). A magnetometer survey was performed during the
initial site investigation and revealed a regional-scale diabase dike, which is shown on the NC State
Geologic Map (NCGS 1985) and coincides with the stream along the western property boundary. Smaller
anomalies were also identified across the site and were interpreted to represent smaller dikes (JEI 2001).
The uppermost groundwater beneath the facility is present in a shallow, unconfined aquifer comprised of
saprolite, partially weathered rock, and granitic bedrock (JEI 2001). Groundwater occurs at depths of

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approximately 25 feet below grade along the upgradient side of the waste disposal area, and at depths of
approximately 10 feet below grade along the perimeter downgradient boundary. Groundwater elevations
obtained during the December 2015 monitoring event and summarized in Table 1 were used to prepare a
groundwater surface contour map presented as Drawing 1.
Surface water and groundwater at the site generally flows west and northwest and discharges to the
surrounding tributaries that flow into the Neuse River. Groundwater beneath the site flows in three
distinguishable and vertically interconnected hydrogeologic units: saprolite, partially weathered rock, and
bedrock.
Based on the December 2, 2015, groundwater contour map, the average hydraulic gradient in the shallow
aquifer underlying the site, as measured along the conceptual flow path shown on the contour map, was
calculated to be approximately 0.025 feet per foot. Groundwater velocities were calculated using a
hydraulic conductivity of 1.20E-04 centimeters per second, which is the geometric mean of the hydraulic
conductivities for each of the hydrogeologic units present at the facility (JEI 2001). The estimated
effective porosity of the shallow aquifer is 0.20 (Heath 1982).
Using the above values, the estimated rate of groundwater flow for the uppermost aquifer beneath the
facility was calculated using the following modified Darcy equation:
Vgw = Ki/ne
where Vgw = average linear velocity (feet per year), K = hydraulic conductivity (feet per year), i =
horizontal hydraulic gradient, and ne = effective porosity.
The average estimated linear groundwater flow velocity under the waste management unit is
approximately 15.4 feet per year, which is consistent with previous estimates (Table 2). The range of
groundwater flow is expected to vary depending on the hydrogeologic unit in which it occurs. The linear
velocity equation above makes the simplified assumptions of a homogeneous and isotropic aquifer.
Therefore, this equation represents a likely average value for the uppermost aquifer and does not account
for heterogeneous and/or anisotropic conditions that may be present in the uppermost aquifer at the
facility.
2.0 FIELD PROGRAM, MONITORING RESULTS, AND DISCUSSION
Field activities conducted for the December 2015 sampling event are discussed in the following sections.
2.1 Visual Inspection Program
In order to detect a potential release at the earliest indication, the visual inspection program is used by the
sampling crews at the Brownfield Road C&D Landfill. This program includes physical indicators such as
potential water table mounding beneath the waste management unit, physical examination of any

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stresses in biological communities, visible signs of leachate migration (i.e., leachate seeps), unexplained
changes in soil characteristics, and any other change to the environment due to the waste management
unit. During the December 2015 compliance monitoring event, no physical indicators of a potential
release were observed in the vicinity of the waste management area.
2.2 Well Network and Groundwater Elevation Measurements
The approved network of groundwater monitoring wells at the facility consists of wells MW-1, MW-2,
MW-3, MW-4, MW-5, and MW-6As; water levels are also collected from MW-6Ad, MW-7As, and
MW-7Ad. Monitoring well construction information is summarized on Table 3 and the well locations are
shown on Drawing 1. The well locations were selected to yield groundwater samples representative of
the conditions in the uppermost aquifer underlying the facility and to monitor for potential releases from
the landfill unit. One upstream (SW-1) and two downstream (SW-2 and SW-3) surface water monitoring
points are also monitored.
Monitoring well MW-1 is the facility’s background well and is located hydraulically upgradient of the waste
disposal area. Monitoring wells MW-2, MW-3, MW-4, MW-5, and MW-6As are located downgradient of
the waste disposal area and represent the facility’s downgradient compliance wells.
Depth-to-water measurements were recorded to the nearest 0.01 foot prior to initiating groundwater
purging and sampling activities. The respective groundwater level elevations for this event are presented
in Table 1. The historical water level data are also shown on this table.
As presented, the data indicate that the hydraulic head level in the uppermost aquifer beneath the facility
is fairly consistent, with temporal variation from the long-term average limited to approximately 5 feet (plus
or minus). As expected, the range in fluctuation appears to be greater in the upgradient well MW-1, as
this well is located in a groundwater recharge area. The range in fluctuation in compliance wells MW-2,
MW-3, MW-4, MW-5, and MW-6As, which are located near groundwater discharge areas, is less,
presumably due to the stabilizing effect of the hydraulic discharge boundary.
2.3 December 2015 Groundwater and Surface Water Monitoring Event
Personnel from Golder visited the facility on December 2, 2015, to purge and sample monitoring wells
MW-1, MW-2, MW-3, MW-4, MW-5, and MW-6As, and to sample surface water monitoring points SW-1,
SW-2, and SW-3. Monitoring wells were purged and sampled using low-flow sampling techniques from
dedicated bladder pumps. Measurements of temperature, pH, specific conductivity, dissolved oxygen,
oxidation-reduction potential, and turbidity were recorded at approximately 3- to 5-minute intervals during
the purge, depending on the purge rate. In general, the purge rate was matched to the yield of the
monitoring well, as determined by continuously monitoring the depth to water, never allowing the purge
rate to exceed 500 milliliters per minute. Purging was continued until stabilization was indicated by the
field parameters.

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Prior to sampling, the laboratory-supplied sample containers were prepared. Each sample container was
labeled with the sample identification number, sampling personnel, date and time of sample collection,
project name and number, and requested chemical analyses. The required groundwater samples were
collected directly from the dedicated bladder pump discharge lines into the labeled, laboratory-supplied,
pre-preserved sample containers after purging was completed based on stabilization of field parameters.
The surface water samples were collected directly from the stream flow, by lowering the sample
containers into the stream flow with the opening facing away from the current flow, taking care to prevent
the over flow of the sample containers and to minimize sample-induced turbidity. Measurements of pH,
specific conductivity, temperature, dissolved oxygen, oxidation reduction potential, and turbidity were
recorded during the collection of the surface water samples.
After collection, the samples were placed in a cooler on ice, under chain-of-custody control. Copies of the
sampling logs are presented in Appendix A. Included in each log is a description of the sampling location
and equipment, sampling method, field observations, and field parameter measurements.
2.4 Laboratory Analysis Program
The December 2015 groundwater and surface water samples were shipped to Environmental
Conservation Laboratories, Inc. (ENCO) of Cary, NC under chain-of-custody control for analysis. As
presented, groundwater samples at the facility were analyzed for the NC Appendix I constituents plus
tetrahydrofuran and several indicator parameters specific to the C&D rules effective January 1, 2007.
The surface water samples at the facility were analyzed for the NC Appendix I list of constituents and
tetrahydrofuran. The samples were received by the laboratory in good condition and properly preserved.
2.5 December 2015 Sampling Results
Analytical results for the December 2015 groundwater samples are summarized in Tables 4 and
groundwater field parameters are summarized in Table 5, with available historical data. Analytical results
for surface water samples are provided in Table 6 and surface water field parameters are provided in
Table 7, with available historical data. The laboratory certificate-of-analysis, chain-of-custody form, and
laboratory data review for the sampling event are included in Appendix B.
As presented, two NC Appendix I inorganic constituents (barium and beryllium) and mercury were
detected at quantifiable concentrations above their respective Solid Waste Section Limits (SWSLs) in
samples from one or more downgradient monitoring wells at the facility. Indicator parameters iron,
manganese, total alkalinity, chloride, and total dissolved solids were also detected at quantifiable
concentrations in samples from one or more wells, as they have been during previous events. No NC
Appendix I organic constituents were detected at concentrations above their respective SWSLs during the
December 2015 event.

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Barium was detected at a concentration above SWSLs in downstream surface water monitoring point
SW-3 during this event, as it has been during previous events. No other NC Appendix I constituents were
detected in downstream surface water monitoring points at concentrations above the SWSLs during the
December 2015 event. The analytical results are generally consistent with historical data.
3.0 LABORATORY AND FIELD QA/QC
A field blank was collected by Golder personnel as part of the December 2015 groundwater sampling
event. In addition to the field blank, a laboratory-prepared trip blank accompanied the volatile sample
containers for the sampling event to and from the laboratory. ENCO analyzed the field blank for NC
Appendix I constituents plus iron, manganese, mercury, and tetrahydrofuran and the trip blank for NC
Appendix I organic constituents and tetrahydrofuran.
A review of the laboratory data was performed by Golder personnel and is included in Appendix B.
Arsenic, barium, copper, and manganese were detected in the field blank at estimated concentrations.
Based on our review, no concentrations require blank-qualification.
4.0 DATA EVALUATIONS
The results of the data evaluations are presented in the following sections.
4.1 December 2015 Groundwater and Surface Water Quality Standard
Comparisons
As presented in Table 4, two inorganic constituents were detected at concentrations above their SWSLs
and applicable groundwater standards during the December 2015 event. Beryllium was reported at a
concentration above the SWSL and the SWS Groundwater Protection Standard (GPS) in the sample from
MW-2 and mercury was reported at a concentration above the SWSL and the NC 2L Standard in the
sample from MW-3 during the event. Cobalt and vanadium were reported at estimated concentrations
below the SWSL, but above their respective GPSs in the samples from one or more downgradient
monitoring wells during this event as they have been during previous events; data are consistent with
historical and no further action is warranted based on estimated concentrations.
Indicator parameters iron and manganese were detected above the applicable groundwater standards in
samples from one or more downgradient wells as they have been during previous events. Based on
historical data and concentrations in the upgradient well, iron and manganese concentrations appear to
be naturally occurring and no further action is warranted.
No NC Appendix I organic constituents were detected a concentrations above the SWSLs. No NC
Appendix I constituents were detected at concentrations that exceeded applicable surface water
standards in samples from surface water monitoring points during this event.

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4.2 December 2015 Statistical Evaluations
As presented above, beryllium in the sample from MW-2 and mercury in the sample from MW-3 were
reported at concentrations that exceed their respective SWSLs and applicable groundwater standards
during the December 2015 event. To determine the source of the exceedances, the concentrations were
statistically evaluated and compared to background concentrations. The statistical worksheets and
summary table are presented as Appendix C. As presented, the concentrations of beryllium in the
sample from MW-2 and mercury in the sample from MW-3 were determined to be below their respective
background concentrations and are interpreted to represent naturally occurring conditions.
5.0 EVALUATION OF CORRECTIVE MEASURES
A voluntary Alternate Source Demonstration (ASD) was submitted to the NC DENR Division of Waste
Management, SWS on November 5, 2007, which evaluated the source of trichlorofluoromethane, in and
around MW-3. Based on the findings of the ASD, the most likely source for trichlorofluoromethane
detected in samples from MW-3 is landfill gas, rather than leachate. The ASD was approved by NC
DENR on May 15, 2008. Subsequently, a Landfill Gas Remediation Plan (LGRP) was submitted to
address methane migration in the vicinity of MW-3. The LGRP was approved by NC DENR on July 1,
2010. As proposed in the LGRP, a cut-off trench was installed prior to the December 2010 monitoring
event to assist in remediating VOC concentrations in MW-3. Since the submittal of the ASD, additional
VOCs have been detected in samples from MW-3, including detections of tetrachloroethene and
trichloroethene at concentrations that exceeded their respective SWSLs and NC 2L Standards. The likely
source of tetrachloroethene and trichloroethene is interpreted to be landfill gas. The effectiveness of the
corrective measures was to be evaluated two years after the installation of the cut-off trench per the
requirements of the July 1, 2010, letter from NC DENR.
An evaluation of the effectiveness of the corrective measures was presented in the Water Quality
Monitoring Report for the December 2012 monitoring event. It was determined that based on the
groundwater flow rate for the facility that not enough time had passed for groundwater samples from
MW-3 to be effected by the cut-off trench. Additional time was requested to allow enough monitoring
events to determine concentration trends for detected VOCs. NC DENR approved an additional three
years to re-evaluate the effectiveness of the corrective actions in a letter dated September 16, 2013. This
evaluation is presented below.
Trend graphs showing the historical concentrations of VOCs in MW-3 are included as Figure 1.
Trichlorofluoromethane, which was the original VOC detected in samples from MW-3, has been on a
declining trend since its peak concentration in June 2007 and continued to decline after the installation of
the cut-off trench before the December 2010 monitoring event. Trichlorofluoromethane has not been
detected in samples from MW-3 since the June 2013 monitoring event. Historical concentrations of
trichlorofluoromethane have not exceeded the NC 2L Standard.

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Two VOCs, tetrachloroethene and trichloroethene, have historically been detected in samples from MW-3
at concentrations above their respective NC 2L Standards. Tetrachloroethene concentrations have
declined since the highest recorded concentration during the December 2012 event. Concentrations of
tetrachloroethene have been below the NC 2L Standard during the past two monitoring events, and below
the SWSL for the past 3 events. Concentrations of trichloroethene have declined since the highest
recorded concentration during the December 2011 event and have not been detected above the
laboratory detection limit for the last two events. Trichloroethene has not been detected at concentrations
above the NC 2L Standard since the December 2012 event, or above the SWSL since the December
2013 event.
Methylene chloride was detected at concentrations above the SWSL, but below the NC 2L Standard in
samples from MW-3 during the December 2011, December 2012, and June 2013 events. Methylene
chloride was not detected again until the December 2015 event, and was an estimated concentration
below the SWSL and NC 2L Standard.
Benzene; cis-1,2-dichloroethene; and total xylenes have been detected at estimated concentrations
below their respective SWSLs and NC 2L Standards during the December 2012, June 2013, and
December 2013 events. Benzene and total xylenes have not been detected above the laboratory
detection limits since the December 2013 event. Cis-1,2-dichloroethene was detected at an estimated
concentration, below the SWSL and NC 2L Standard during the December 2015 event, which is the first
detection in two years.
Based on the information presented in Table 4 and Figure 1, historically detected VOCs show a decline in
concentrations since the June 2013 monitoring event. Further, no VOCs have been detected at
concentrations above their respective NC 2L Standards for the last two consecutive water quality
monitoring events. Therefore, the installation of the cut-off trench appears to have positively affected
water quality in the vicinity of MW-3 and no further action is warranted at this time.
6.0 CONCLUSIONS
Based on the results summarized herein, Wake Reclamation, LLC will continue monitoring this facility in
accordance with the requirements of the Detection Monitoring Program for C&D Landfills as outlined in
Title 15A NCAC 13B.0544. The next groundwater monitoring event is tentatively scheduled for June
2016.
7.0 REFERENCES
Smith Gardner, Inc., 2014, Wake Reclamation, LLC – Brownfield Road CDLF (Permit No. 92-31);
Groundwater Monitoring Network Adjustment. September 10.
Golder Associates NC, Inc., 2007, Material Recovery, LLC C&D Landfill; Alternate Source Demonstration.
November 5.

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Golder Associates NC, Inc., 2011, Material Recovery, LLC C&D Landfill; Summary of Piezometer
Decommissioning, Monitoring Well and Gas Probe Installation, Monitoring Well Development, Pump
Installations, and Background Sampling for Phase 2A Landfill Expansion. September 22.
Heath, Ralph C., 1982, Basic Ground-Water Hydrology, USGS Water Supply Paper 2220.
JEI (Joyce Engineering, Inc.), 2001, Hydrogeologic Report & Groundwater Monitoring Plan; Volume One;
Site Application, Section II; Material Recovery, LLC Construction and Demolition Debris Landfill, Wake
County, North Carolina.
NCGS (North Carolina Geologic Survey), 1985. Geologic Map of North Carolina
Stoddard, Edward F., Farrar, Stewart S., Horton, Jr. J. Wright, Butler, J. Robert and Durhan,
Robert M., 1991, The Eastern Piedmont in North Carolina, in Horton, J. W., Jr., and Zullo, V.A., eds., The
Geology of the Carolinas: The University of Tennessee Press, p. 59 - 78.
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TABLES

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G:\Projects\Waste Industries\Wake Recovery\Groundwater\WQMR\2015 Dec\Tables\Wake Recovery Tables December 2015.xlsx
Well ID
TOC Elevation
(ft AMSL)
Date Elevation
(ft AMSL)
DTW
(ft)
Elevation
(ft AMSL)
DTW
(ft)
Elevation
(ft AMSL)
DTW
(ft)
Elevation
(ft AMSL)
DTW
(ft)
Elevation
(ft AMSL)
DTW
(ft)
Elevation
(ft AMSL)
DTW
(ft)
Elevation
(ft AMSL)
DTW
(ft)
Elevation
(ft AMSL)
DTW
(ft)
Elevation
(ft AMSL)
DTW
(ft)
08/07/02 252.13 27.97 195.39 18.00 191.02 27.41 186.53 15.09 191.82 11.56 ----------------
06/16/03 257.44 22.66 197.12 16.27 194.98 23.45 191.82 9.80 193.45 9.93 ----------------12/01/03 257.32 22.78 197.57 15.82 195.51 22.92 191.98 9.64 194.13 9.25 ----------------06/10/04 256.32 23.78 196.91 16.48 194.43 24.00 191.22 10.40 193.43 9.95 ----------------
12/16/04 255.86 24.24 196.87 16.52 193.82 24.61 190.80 10.82 193.38 10.00 ----------------06/05/05 255.88 24.22 196.42 16.97 193.3 25.13 190.23 11.39 193.01 10.37 ----------------12/27/05 253.25 26.85 196.18 17.21 191.53 26.90 189.94 11.68 193.38 10.00 ----------------
06/21/06 253.13 26.97 196.29 17.10 191.96 26.47 189.67 11.95 193.18 10.20 ----------------12/01/06 252.26 27.84 196.45 16.94 191.72 26.71 189.54 12.08 193.67 9.71 ----------------06/28/07 253.26 26.84 196.31 17.08 192.10 26.33 189.42 12.20 192.83 10.55 ----------------
12/13/07 250.67 29.43 195.91 17.48 190.70 27.73 188.02 13.60 192.52 10.86 ----------------06/19/08 251.07 29.03 195.88 17.51 191.84 26.59 190.01 11.61 192.46 10.92 ----------------12/02/08 249.53 30.57 195.88 17.51 190.64 27.79 190.00 11.62 193.09 10.29 ----------------
01/23/09 --------191.14 27.29 ------------------------06/11/09 252.09 28.01 196.17 17.22 191.81 26.62 190.40 11.22 193.38 10.00 ----------------12/10/09 251.84 28.26 196.39 17.00 191.31 27.12 191.55 10.07 194.82 8.56 ----------------
06/15/10 255.14 24.96 196.13 17.26 192.40 26.03 191.20 10.42 193.37 10.01 ----------------12/09/10 253.59 26.51 196.00 17.39 191.23 27.20 189.77 11.85 192.56 10.82 ----------------06/15/11 253.20 26.90 195.81 17.58 191.22 27.21 190.14 11.48 192.57 10.81 206.81 9.41 206.88 8.56 223.62 13.37 223.54 12.44
12/06/11 251.15 28.95 195.84 17.55 190.51 27.92 188.97 12.65 192.60 10.78 206.51 9.71 206.26 9.18 224.11 12.88 224.16 11.82
06/14/12 251.38 28.72 195.88 17.51 191.13 27.30 189.89 11.73 192.57 10.81 207.10 9.12 206.85 8.59 224.39 12.60 224.51 11.4712/03/12 250.34 29.76 195.81 17.58 190.53 27.90 188.71 12.91 192.37 11.01 206.37 9.85 206.13 9.31 223.97 13.02 224.09 11.89
06/11/13 251.45 28.65 196.53 16.86 191.63 26.80 190.20 11.42 194.19 9.19 208.12 8.10 207.56 7.88 226.42 10.57 226.21 9.77
12/02/13 252.30 27.80 195.85 17.54 191.00 27.43 189.21 12.41 192.61 10.77 207.04 9.18 206.79 8.65 224.22 12.77 224.12 11.8606/10/14 254.61 25.49 196.02 17.37 192.56 25.87 190.28 11.34 192.56 10.82 207.51 8.71 207.57 7.87 223.59 13.40 223.73 12.25
12/03/14 254.59 25.51 196.07 17.32 191.58 26.85 190.39 11.23 193.01 10.37 207.59 8.63 ------------
06/08/15 256.45 23.65 196.09 17.30 192.62 25.81 190.49 11.13 192.58 10.80 207.71 8.51 207.49 7.95 224.23 12.76 224.32 11.6612/02/15 254.96 25.14 196.01 17.38 191.43 27.00 192.53 9.09 193.98 9.40 207.41 8.81 207.14 8.3 224.77 12.22 224.80 11.18MEAN253.38 26.72 196.22 17.18 191.99 26.44 190.11 11.51 193.10 10.29 207.22 9.00 206.97 8.48 224.37 12.62 224.39 11.59
MAXIMUM 257.44 30.57 197.57 18.00 195.51 27.92 192.53 15.09 194.82 11.56 208.12 9.85 207.57 9.31 226.42 13.40 226.21 12.44MINIMUM249.53 22.66 195.39 15.82 190.51 22.92 186.53 9.09 191.82 8.56 206.37 8.10 206.13 7.87 223.59 10.57 223.54 9.77
Notes:TOC = Top of casingft AMSL = Feet above mean sea level
DTW = Depth to water (as measured from TOC)1)Monitoring well MW-1 is the facility background well.2)Groundwater monitoring wells were re-surveyed by Survey Solutions, PC prior to the June 2014 monitoring event
235.98236.99
MW-7AsMW-6Ad
215.44
MW-7AdMW-4
201.62
MW-5
203.38
MW-6As
216.22
MW-1
280.10 213.39
MW-3MW-2
218.43
TABLE 1
Wake County, North CarolinaBrownfield Road Construction and Demolition Landfill, Permit No. 92-31Summary of Historical Groundwater Elevation Data in Monitoring Wells
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Gradient
Calculation
Segment
Flow
Direction
Gradient
Segment Length
(feet)
Gradient
Segment Elevations
(feet)
Horizontal Gradient
(i, feet/feet)
Effective
Porosity
(ne)
Hydraulic
Conductivity
(K, cm/sec)
Velocity
(Vgw, feet/year)
230
200
250
190
230
200
Notes:
1)Horizontal velocities based on the modified Darcy equation Vgw = Ki/ne.
2)The geometric mean of K from individual well aquifer tests was used to calculate the hydraulic conductivity (tests
conducted by Joyce Engineering Inc. as part of the Site Application, 2001).
3)An effective porosity of 20% was used in velocity calculations.
0.20
1.20E-04
1.20E-04
0.0249NW
NW 2648 0.0227 0.20 1.20E-04 14.06
NNW
1203
1127
TABLE 2
Summary of Estimated Horizontal Flow Velocities
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
December 2015
Wake County, North Carolina
i1
i2
i3 0.0266
15.48
16.52
0.20
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from to from to
MW-1 08/22/01 2 712426.22 2148023.74 277.26 280.10 49.0 229.17 4 273.26 24.0 49.0 254.17 229.17 Saprolite Compliance Well
MW-2 08/02/02 2 714497.25 2147102.88 210.41 213.39 35.0 175.41 8.5 201.91 19.5 34.5 190.91 175.91 Saprolite/PWR Compliance Well
MW-3 07/31/02 2 714622.99 2146546.20 216.05 218.43 34.5 181.55 13.5 202.55 19.0 34.0 197.05 182.05 Saprolite/PWR Compliance Well
MW-4 8/1/2002 2 714384.58 2146091.68 199.02 201.62 27.0 172.02 7 192.02 11.5 26.5 187.52 172.52 Saprolite/PWR Compliance Well
MW-5 8/1/2002 2 713725.44 2146088.95 200.72 203.38 24.0 176.72 3.0 197.72 8.5 23.5 192.22 177.22 Saprolite/PWR Compliance Well
MW-6As 05/11/11 2 713227.04 2146252.22 213.66 216.22 16.0 229.17 >16 <197.72 5.0 15.0 208.66 198.66 Saprolite/PWR Compliance Well
MW-6Ad 06/01/11 2 713224.61 2146246.34 213.05 215.44 57.0 156.05 20 193.05 47.0 57.0 166.05 156.05 Bedrock Water Levels Only
MW-7As 05/11/11 2 712908.67 2147005.19 234.32 236.99 34.0 200.32 >34 <200.32 9.0 24.0 225.32 210.32 PWR Water Levels Only
MW-7Ad 05/31/11 2 712908.43 2146993.33 234.12 235.98 48.0 186.12 38 196.12 38.0 48.0 196.12 186.12 Bedrock Water Levels Only
Notes:
AMSL = Above mean sea level
BGS = Below ground surface
TOC = Top of casing
PWR = Partially weathered rock
1)All elevations are referenced to mean sea level (MSL); depths are referenced to ground surface (GS)
2)MW-1 was originally installed as P-4.
3)Groundwater monitoring wells were re-surveyed by Survey Solutions, PC prior to the June 2014 monitoring event.
4)NC DENR approved request on 09/16/14 to discontinue monitoring of wells MW-6Ad, MW-7As, and MW-7Ad.
TABLE 3
Summary of Well Construction Information
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Status
Screened IntervalWell &
Piezometer
Number
Date
Installed Depth
(ft BGS)
Elevation
(ft AMSL)
DEPTH
(feet B.G.S.)
ELEV.
(feet M.S.L.)
Coordinates
Northing Easting
Casing
Diameter
(inches)
Lithology of
Screened IntervalTOC
Well Elevations
ft AMSL
TOP OF BEDROCK
Depth (ft BGS)
Total Depth Drilled
Elevation (ft AMSL)
Ground
Surface
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Blanks
MW-1 MW-2 MW-3 MW-4 MW-5 MW-6As
Antimony ug/L 05/07/02 --30 ------------ND
SWS GPS = 1 ug/L ug/L 08/07/02 --30 --------------
EPA MCL = 6 ug/L ug/L 06/29/07 0.68 6 ND ND ND ND ND --ND
ug/L 12/13/07 0.68 6 ND ND ND ND ND --ND
ug/L 06/19/08 0.68 6 ND ND ND ND ND --ND
ug/L 12/02/08 0.68 6 ND ND ND ND ND --ND
ug/L 06/11/09 0.68 6 ND ND ND 1.05 J ND --ND
`ug/L 12/10/09 0.0730 6 ND ND ND ND ND --ND
ug/L 06/15/10 0.220 6 ND ND ND ND ND --ND
ug/L 12/09/10 0.220 6 ND ND 0.276 J ND ND --ND
ug/L 06/15/11 0.220 6 ND ND ND ND ND ND ND
ug/L 12/06/11 0.220 6 0.267 J ND ND ND ND --ND
ug/L 06/14/12 0.220 6 0.561 J 1.05 J 0.769 J ND ND ND ND
ug/L 12/03/12 0.220 6 ND ND 0.351 J ND ND ND ND
ug/L 06/11/13 0.220 6 0.267 J 0.753 J ND ND 0.414 J ND ND
ug/L 12/02/13 0.220 6 ND ND ND ND ND ND ND
ug/L 06/10/14 0.220 6 ND ND ND ND ND ND ND
ug/L 12/03/14 0.220 6 ND 0.695 J ND ND ND ND ND
ug/L 06/08/15 0.220 6 ND 0.973 J ND ND ND ND ND
ug/L 12/02/15 0.220 6 0.875 J 0.802 J 0.386 J ND ND 0.295 J ND
Arsenic ug/L 08/07/02 --10 ND ND ND ND ND --ND
NC 2L = 10 ug/L ug/L 06/16/03 --10 ND ND ND ND ND --ND
EPA MCL = 10 ug/L ug/L 12/16/03 --10 ND ND ND ND ND --ND
ug/L 06/16/04 --10 ND ND ND ND ND --ND
ug/L 12/16/04 --10 ND ND ND ND ND --ND
ug/L 06/14/05 --10 ND ND ND ND ND --ND
ug/L 12/27/05 --10 ND ND ND ND ND --ND
ug/L 06/21/06 --10 ND ND ND ND ND --ND
ug/L 12/13/06 2 10 3.2 B 3.8 B 9.2 B 3.0 B 4.0 B --3.5 J
ug/L 06/29/07 3.6 10 ND ND 4.7 J ND ND --ND
ug/L 12/13/07 2 10 2.2 B ND 4.6 B ND 2.2 B --2.5 J
ug/L 06/19/08 2 10 ND ND 4.1 J ND ND --ND
ug/L 12/02/08 2.8 10 ND ND ND ND ND --ND
ug/L 06/11/09 2.8 10 4.4 B ND 5.4 B ND ND --3.5 J
ug/L 12/10/09 2.80 10 ND ND 5.01 J ND 3.75 --ND
ug/L 06/15/10 2.80 10 ND 3.60 J ND ND ND --ND
ug/L 12/09/10 2.80 10 ND ND 3.28 J ND ND --ND
ug/L 06/15/11 2.80 10 3.39 J ND ND ND 4.64 ND ND
ug/L 12/06/11 2.80 10 ND ND ND ND ND --ND
ug/L 06/14/12 2.80 10 2.90 J ND ND ND ND ND ND
ug/L 12/03/12 2.80 10 ND ND ND ND ND ND ND
ug/L 06/11/13 5.40 10 ND ND ND ND ND ND ND
ug/L 12/02/13 5.40 10 ND ND ND ND ND ND ND
ug/L 06/10/14 5.40 10 ND ND ND ND ND ND ND
ug/L 12/03/14 5.40 10 ND ND ND ND ND ND ND
ug/L 06/08/15 5.40 10 ND ND ND ND ND ND ND
ug/L 12/02/15 5.40 10 ND ND ND ND ND ND 9.10 J
Barium ug/L 08/07/02 --500 ND ND 4000 ND ND --ND
NC 2L = 700 ug/L ug/L 06/16/03 --500 ND ND 3100 ND ND --ND
EPA MCL = 2000 ug/L ug/L 12/16/03 --500 160 420 1200 120 120 --ND
(dissolved)ug/L 12/16/03 --500 ----1000 --------
ug/L 06/16/04 --500 ND 540 1500 ND ND --ND
(dissolved)ug/L 06/16/04 --500 ----1400 --------
ug/L 12/16/04 --500 ND 570 3100 ND ND --ND
ug/L 06/14/05 --500 ND 520 2600 ND ND --ND
(dissolved)ug/L 06/14/05 --500 ----2700 --------
ug/L 12/27/05 --500 ND 640 5700 ND ND --ND
(dissolved)ug/L 12/27/05 --500 ----5900 --------
ug/L 06/21/06 --500 ND 708 4690 ND ND --ND
(dissolved)ug/L 06/21/06 --500 ----4990 --------
ug/L 12/13/06 0.2 100 217 681 6510 121 136 --0.4 J
(dissolved)ug/L 12/13/06 0.2 100 ----6860 --------
ug/L 06/29/07 1 100 269 628 3140 99.5 J 42.1 B --10.4 J
(dissolved)ug/L 06/29/07 1 100 ----4160 --------
ug/L 12/13/07 0.2 100 417 697 5640 147 47.0 --0.30 J
ug/L 06/19/08 0.2 100 426 623 3750 123 38.6 --ND
ug/L 12/02/08 1 100 488 565 3130 109 40.3 --ND
ug/L 06/11/09 4.20 100 502 607 2380 94.2 J 45.2 --ND
ug/L 12/10/09 1.00 100 489 544 1970 99.9 J 36.0 --ND
ug/L 06/15/10 1.00 100 359 560 1100 130 29.2 --ND
ug/L 12/09/10 1.00 100 433 650 987 151 41.3 --1.72 J
ug/L 06/15/11 1.00 100 447 597 1170 110 37.4 32.5 J ND
ug/L 12/06/11 1.00 100 521 487 1330 155 59.8 --ND
ug/L 06/14/12 1.00 100 499 496 949 117 49.3 J 61.4 J ND
ug/L 12/03/12 1.00 100 456 441 1100 144 34.3 J 45.6 J ND
ug/L 06/11/13 1.00 100 430 464 899 124 39.7 J 27.0 J 4.59 J
ug/L 12/02/13 1.00 100 347 474 726 147 38.0 J 27.8 J ND
ug/L 06/10/14 1.00 100 224 530 510 114 38.9 J 18.6 J ND
ug/L 12/03/14 1.00 100 236 572 417 162 40.8 J 19.2 J ND
ug/L 06/08/15 1.00 100 217 518 291 179 50.6 J 21.4 J ND
ug/L 12/02/15 1.00 100 222 473 277 160 41.7 J 23.5 J 3.35 J
MDL
TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
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Blanks
MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsMDL
TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
Beryllium ug/L 06/29/07 0.19 1 ND 3.50 5.90 1.00 0.80 --ND
SWS GPS = 4 ug/L ug/L 12/13/07 0.7 1 ND 3.00 10.8 1.00 1.00 --ND
EPA MCL = 4 ug/L ug/L 06/19/08 0.7 1 ND 3.50 7.60 1.00 0.80 --ND
ug/L 12/02/08 0.1 1 0.40 J 2.80 6.70 0.90 J 1.00 --ND
ug/L 06/11/09 0.08 1 1.04 4.02 5.82 1.04 2.03 --0.08 J
ug/L 12/10/09 0.100 1 0.633 J 3.31 4.83 0.931 J 0.895 --ND
ug/L 06/15/10 0.100 1 0.435 J 4.03 2.73 1.04 0.597 --ND
ug/L 12/09/10 0.100 1 0.531 J 3.55 2.41 1.60 1.37 --ND
ug/L 06/15/11 0.100 1 0.592 J 4.04 2.95 1.26 0.757 0.177 J ND
ug/L 12/06/11 0.100 1 0.585 J 3.22 3.35 1.73 4.75 --ND
(dissolved)ug/L 12/06/11 0.100 ----------0.287 --ND
ug/L 06/14/12 0.100 1 0.609 J 3.61 2.47 1.36 2.41 1.00 ND
ug/L 12/03/12 0.100 1 0.622 J 3.16 3.04 1.89 0.927 J 0.729 J ND
(dissolved)ug/L 12/03/12 0.100 1 ------------ND
ug/L 06/11/13 0.100 1 0.536 J 3.96 2.31 1.43 2.08 0.552 J ND
ug/L 12/02/13 0.100 1 0.479 J 3.75 1.97 1.74 1.27 1.10 ND
ug/L 06/10/14 0.100 1 0.305 J 4.45 1.34 1.30 1.24 0.737 J ND
ug/L 12/03/14 0.100 1 0.313 J 4.44 1.11 1.85 0.937 J 1.04 ND
ug/L 06/08/15 0.100 1 0.284 J 4.44 0.710 J 1.80 4.29 0.756 J ND
(dissolved)ug/L 06/08/15 0.100 1 --------0.276 J ----
ug/L 12/02/15 0.100 1 0.309 J 4.38 0.666 J 1.75 1.69 1.09 ND
Cadmium ug/L 05/07/02 --1 ------------ND
NC 2L = 2 ug/L ug/L 08/07/02 --1 1.4 1.1 1.8 1.2 1.0 --ND
EPA MCL = 5 ug/L ug/L 06/16/03 --1 1.2 1.1 1.7 1.8 3.4 --ND
ug/L 12/16/03 --1 ND 1.3 ND ND ND --ND
ug/L 06/16/04 --1 ND ND ND ND ND --ND
ug/L 12/16/04 --1 ND ND ND ND 1.1 --ND
ug/L 06/14/05 --1 ND ND ND ND ND --ND
ug/L 12/27/05 --1 ND ND ND ND ND --ND
ug/L 06/21/06 --1 ND ND ND ND ND --ND
ug/L 12/13/06 0.5 1 ND ND 0.50 J ND ND --ND
ug/L 06/29/07 0.38 1 ND ND 0.50 J ND ND --ND
ug/L 12/13/07 0.5 1 ND ND ND ND ND --ND
ug/L 06/19/08 0.5 1 ND ND ND ND ND --ND
ug/L 12/02/08 0.36 1 ND ND ND ND ND --ND
ug/L 06/11/09 0.09 1 0.26 J 0.36 J 0.58 J 0.19 J 0.34 --ND
ug/L 12/10/09 0.360 1 ND ND 0.516 J ND ND --ND
ug/L 06/15/10 0.360 1 ND ND ND ND ND --ND
ug/L 12/09/10 0.360 1 ND ND 0.523 J ND ND --ND
ug/L 06/15/11 0.360 1 ND ND ND ND ND ND ND
ug/L 12/06/11 0.360 1 ND ND ND ND ND --ND
ug/L 06/14/12 0.360 1 ND ND ND ND ND ND ND
ug/L 12/03/12 0.360 1 ND ND 0.397 J ND ND ND ND
ug/L 06/11/13 0.360 1 ND ND ND ND ND 0.448 J ND
ug/L 12/02/13 0.360 1 ND 0.442 J ND ND ND ND ND
ug/L 06/10/14 0.360 1 ND 0.417 J 2.06 (1.96)0.460 J ND ND ND
ug/L 12/03/14 0.360 1 ND ND ND ND ND ND ND
ug/L 06/08/15 0.360 1 ND ND ND ND ND ND ND
ug/L 12/02/15 0.360 1 ND 0.394 J ND ND ND ND ND
Chromium ug/L 08/07/02 --10 ND ND ND ND ND --ND
NC 2L = 10 ug/L ug/L 06/16/03 --10 ND ND ND ND ND --ND
EPA MCL = 100 ug/L ug/L 12/16/03 --10 ND ND ND ND ND --ND
ug/L 06/16/04 --10 ND ND ND ND ND --ND
ug/L 12/16/04 --10 ND ND ND ND ND --ND
ug/L 06/14/05 --10 ND ND ND ND ND --ND
ug/L 12/27/05 --10 ND ND ND ND 15 --ND
ug/L 06/21/06 --10 ND ND ND ND ND --ND
ug/L 12/13/06 2 10 ND ND ND ND ND --ND
ug/L 06/29/07 1.7 10 ND ND ND ND ND --ND
ug/L 12/13/07 2 10 ND ND ND ND ND --ND
ug/L 06/19/08 2 10 ND ND ND ND ND --ND
ug/L 12/02/08 1 10 ND ND ND ND ND --ND
ug/L 06/11/09 0.7 10 2.4 J 1.1 J ND ND ND --ND
ug/L 12/10/09 1.00 10 ND ND ND ND ND --ND
ug/L 06/15/10 1.00 10 1.79 J ND ND ND ND --ND
ug/L 12/09/10 1.00 10 1.04 J ND 1.89 J ND ND --ND
ug/L 06/15/11 1.00 10 ND ND ND ND ND 1.33 J ND
ug/L 12/06/11 1.00 10 ND ND ND ND 2.12 --ND
ug/L 06/14/12 1.00 10 ND ND ND ND 1.82 J 2.17 J ND
ug/L 12/03/12 1.00 10 ND ND ND ND ND 1.24 J ND
(dissolved)ug/L 12/03/12 1.00 10 ------------ND
ug/L 06/11/13 1.40 10 ND ND ND ND ND ND ND
ug/L 12/02/13 1.40 10 ND ND ND ND ND ND ND
ug/L 06/10/14 1.40 10 ND ND ND ND ND ND ND
ug/L 12/03/14 1.40 10 ND ND ND ND ND ND ND
ug/L 06/08/15 1.40 10 ND ND ND ND ND ND ND
ug/L 12/02/15 1.40 10 ND ND ND ND 2.36 J ND ND
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Blanks
MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsMDL
TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
Cobalt ug/L 06/29/07 2.5 10 5.8 J ND 6.3 J ND ND --ND
SWS GPS = 1 ug/L ug/L 12/13/07 2 10 6.3 J ND 6.5 J ND ND --ND
No EPA MCL ug/L 06/19/08 2 10 6.1 J ND 7.0 J ND ND --ND
ug/L 12/02/08 1.1 10 4.7 J ND 3.9 J ND ND --ND
ug/L 06/11/09 0.6 10 7.5 J ND 2.3 J ND 1.4 --ND
ug/L 12/10/09 1.10 10 5.84 J ND 2.19 J ND 1.25 --ND
ug/L 06/15/10 1.10 10 5.84 J ND ND ND ND --ND
ug/L 12/09/10 1.10 10 6.64 J ND 1.87 J ND 1.40 --ND
ug/L 06/15/11 1.10 10 6.17 J ND 1.50 J ND ND 1.65 J ND
ug/L 12/06/11 1.10 10 5.39 J ND 1.16 J ND 1.79 --ND
ug/L 06/14/12 1.10 10 5.21 J ND 2.89 J ND 1.39 J ND ND
ug/L 12/03/12 1.10 10 5.32 J ND 2.17 J ND 1.46 J ND ND
ug/L 06/11/13 1.10 10 4.53 J ND 2.91 J ND 1.67 J ND ND
ug/L 12/02/13 1.10 10 4.33 J ND 2.76 J ND ND ND ND
ug/L 06/10/14 1.10 10 3.52 J ND 2.48 J ND 1.19 J ND ND
ug/L 12/03/14 1.10 10 3.60 J ND 2.76 J 1.17 J ND ND ND
ug/L 06/08/15 1.10 10 5.51 J ND 2.29 J 2.03 J 2.01 J 1.47 J ND
ug/L 12/02/15 1.10 10 5.65 J ND 2.24 J 3.26 J 1.24 J ND ND
Copper ug/L 08/07/02 --0.05 ND ND ND ND ND --ND
NC 2L = 1000 ug/L ug/L 06/29/07 1.8 10 ND ND 2.0 J ND ND --ND
EPA MCL = 1300 ug/L#ug/L 12/13/07 0.6 10 13.6 ND 1.40 J 0.80 J 2.20 --ND
ug/L 06/19/08 0.6 10 6.30 B ND 1.30 B 10.5 ND --1.30 J
ug/L 12/02/08 1.6 10 13.1 ND ND ND ND --ND
ug/L 06/11/09 0.81 10 13.9 ND ND 1.20 J 3.59 --ND
ug/L 12/10/09 1.60 10 3.62 J ND ND ND ND --ND
ug/L 06/15/10 1.60 10 3.99 J ND ND ND ND --ND
ug/L 12/09/10 1.60 10 4.23 J ND ND ND 1.87 --ND
ug/L 06/15/11 1.60 10 3.18 J ND ND 1.70 J ND ND ND
ug/L 12/06/11 1.60 10 2.48 J ND ND ND 7.00 J --ND
ug/L 06/14/12 1.60 10 3.18 J ND ND ND 4.52 J 2.85 J ND
ug/L 12/03/12 1.60 10 ND ND ND ND ND ND ND
ug/L 06/11/13 1.60 10 3.13 J 1.69 J ND ND ND ND ND
ug/L 12/02/13 1.60 10 2.36 J 4.30 J ND ND ND ND ND
ug/L 06/10/14 1.60 10 1.82 J ND 2.09 J ND ND ND ND
ug/L 12/03/14 1.60 10 ND ND ND ND ND ND ND
ug/L 06/08/15 1.60 10 2.85 B ND 2.02 B 18.6 3.92 B ND 3.34 J
ug/L 12/02/15 1.60 10 ND ND ND ND ND ND 4.56 J
Lead ug/L 08/07/02 --10 ND ND ND ND 19 --ND
NC 2L = 15 ug/L ug/L 06/16/03 --10 ND ND ND ND 21 --ND
EPA MCL = 15 ug/L#ug/L 12/16/03 --10 ND ND ND ND 34 --ND
(dissolved)ug/L 12/16/03 --10 --------ND ----
ug/L 06/16/04 --10 ND ND ND ND 15 --ND
(dissolved)ug/L 06/16/04 --10 --------ND ----
ug/L 12/16/04 --10 ND ND ND ND 62 --ND
ug/L 06/14/05 --10 ND ND ND ND 92 --ND
(dissolved)ug/L 06/14/05 --10 --------ND ----
ug/L 12/27/05 --10 ND ND ND ND 81 --ND
(dissolved)ug/L 12/27/05 --10 --------ND ----
ug/L 06/21/06 --10 ND ND ND ND 33.4 --ND
(dissolved)ug/L 06/21/06 --10 --------ND ----
ug/L 12/13/06 2 10 2.7 J ND 4.6 J 2.5 J 44.0 --ND
(dissolved)ug/L 12/13/06 2 10 --------3.5 ----
ug/L 06/29/07 3.1 10 ND ND ND ND ND --ND
(dissolved)ug/L 06/29/07 3.1 10 --------ND ----
ug/L 12/13/07 2 10 ND ND ND ND 2.4 --ND
ug/L 06/19/08 2 10 2.7 J ND 3.0 J ND ND --ND
ug/L 12/02/08 1.9 10 3.4 J ND ND ND ND --ND
ug/L 06/11/09 1.6 10 5.2 J 2.4 J 3.5 J 2.4 J 5.1 --ND
ug/L 12/10/09 1.90 10 ND ND ND ND ND --ND
ug/L 06/15/10 1.90 10 ND ND ND ND ND --ND
ug/L 12/09/10 1.90 10 ND ND ND ND ND --ND
ug/L 06/15/11 1.90 10 2.23 J ND ND ND 3.12 1.97 J ND
ug/L 12/06/11 1.90 10 ND ND ND ND 8.99 --ND
ug/L 06/14/12 1.90 10 ND ND ND ND 5.50 J ND ND
ug/L 12/03/12 1.90 10 ND ND ND ND ND ND ND
(dissolved)ug/L 12/03/12 --10 ------------ND
ug/L 06/11/13 2.10 10 ND ND ND ND ND ND ND
ug/L 12/02/13 2.10 10 ND ND ND ND ND ND ND
ug/L 06/10/14 2.10 10 ND 2.55 J 2.27 J ND 3.05 J ND ND
ug/L 12/03/14 2.10 10 ND ND ND ND ND ND ND
ug/L 06/08/15 2.10 10 ND ND ND ND 5.99 J ND ND
ug/L 12/02/15 2.10 10 ND ND ND ND ND ND ND
February 2016 Page 4 of 9 1239-643815.100
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TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
Mercury ug/L 08/07/02 --0.5 ND ND ND ND ND --ND
NC 2L = 1 ug/L ug/L 06/16/03 --0.5 ND ND ND ND ND --ND
EPA MCL = 2 ug/L ug/L 12/16/03 --0.5 ND ND ND ND ND --ND
ug/L 06/16/04 --0.5 ND ND ND ND ND --ND
ug/L 12/16/04 --0.5 ND ND ND ND ND --ND
ug/L 06/14/05 --0.5 ND ND ND ND ND --ND
ug/L 12/27/05 --0.5 ND ND ND ND ND --ND
ug/L 06/21/06 --2 ND ND ND ND ND --ND
ug/L 12/13/06 0.11 0.2 ND ND ND ND ND --ND
ug/L 06/29/07 0.11 0.2 ND ND 2.24 ND ND --ND
ug/L 08/09/07 0.11 0.2 ----1.30 ------ND
ug/L 12/13/07 0.11 0.2 ND ND ND ND ND --ND
ug/L 06/19/08 0.11 0.2 ND ND 0.58 0.12 J ND --ND
ug/L 12/02/08 0.11 0.2 ND ND 0.59 ND ND --ND
ug/L 06/11/09 0.05 0.2 ND ND 0.75 0.07 J ND --ND
ug/L 12/10/09 0.0540 0.2 ND ND 1.03 0.113 J ND --ND
ug/L 06/15/10 0.170 0.2 0.201 ND 1.53 ND ND --ND
ug/L 12/09/10 0.170 0.2 ND ND 0.848 ND ND --ND
ug/L 06/15/11 0.170 0.2 ND ND 0.768 ND ND ND ND
ug/L 12/06/11 0.170 0.2 ND ND 1.03 ND ND --ND
ug/L 06/14/12 0.170 0.2 ND ND 0.621 ND ND ND ND
ug/L 12/03/12 0.170 0.2 ND ND 0.729 ND ND ND ND
ug/L 06/11/13 0.170 0.2 ND ND 0.759 ND ND ND ND
ug/L 12/02/13 0.170 0.2 ND 1.36 0.540 ND ND ND ND
Verification Event ug/L 01/09/14 0.170 0.2 --ND --------ND
ug/L 06/10/14 0.170 0.2 ND ND 0.667 ND ND ND ND
ug/L 12/03/14 0.170 0.2 ND ND 0.604 ND ND ND ND
ug/L 06/08/15 0.170 0.2 0.262 0.218 0.725 0.219 ND ND ND
ug/L 12/02/15 0.170 0.2 0.192 J ND 1.18 ND ND ND ND
Nickel ug/L 08/07/02 --50 ND ND ND ND ND --ND
NC 2L = 100 ug/L ug/L 06/29/07 1.3 50 ND ND ND ND ND --ND
No EPA MCL ug/L 12/13/07 2 50 3.4 J ND 8.0 J 4.0 J 2.3 --ND
ug/L 06/19/08 2 50 ND ND ND 2.1 J ND --ND
ug/L 12/02/08 1.8 50 ND ND ND ND ND --ND
ug/L 06/11/09 0.6 50 2.3 J 0.7 J 2.1 J 1.5 J 1.2 --ND
ug/L 12/10/09 1.80 50 ND ND ND ND ND --ND
ug/L 06/15/10 1.80 50 ND ND ND ND ND --ND
ug/L 12/09/10 1.80 50 2.21 J ND ND 2.98 J ND --ND
ug/L 06/15/11 1.80 50 ND ND ND ND ND 2.00 J ND
ug/L 12/06/11 1.80 50 2.09 J ND ND 2.96 J ND --ND
ug/L 06/14/12 1.80 50 ND ND ND 4.85 J 3.30 J ND ND
ug/L 12/03/12 1.80 50 ND ND ND 2.49 J ND ND ND
ug/L 06/11/13 1.80 50 3.39 J ND ND ND ND ND ND
ug/L 12/02/13 1.80 50 ND ND ND ND ND ND ND
ug/L 06/10/14 1.80 50 ND ND ND ND ND ND ND
ug/L 12/03/14 1.80 50 ND ND ND 2.48 J ND ND ND
ug/L 06/08/15 1.80 50 ND ND ND 2.24 J ND ND ND
ug/L 12/02/15 1.80 50 ND ND ND 2.10 J ND ND ND
Selenium ug/L 08/07/02 --20 ND ND ND ND ND --ND
NC 2L = 20 ug/L ug/L 06/16/03 --20 ND ND ND ND ND --ND
EPA MCL = 50 ug/L ug/L 12/16/03 --20 ND ND ND ND ND --ND
ug/L 06/16/04 --20 ND ND ND ND ND --ND
ug/L 12/16/04 --20 ND ND ND ND ND --ND
ug/L 06/14/05 --20 ND ND ND ND ND --ND
ug/L 12/27/05 --20 ND ND ND ND ND --ND
ug/L 06/21/06 --20 ND ND ND ND ND --ND
ug/L 12/13/06 2 10 4.3 B 2.1 B ND 5.4 B ND --4.5 J
ug/L 06/29/07 2.8 10 ND ND 2.8 J ND ND --ND
ug/L 12/13/07 2 10 ND ND ND ND ND --ND
ug/L 06/19/08 2 10 ND ND ND 2.7 J ND --ND
ug/L 12/02/08 2.7 10 ND ND ND ND ND --ND
ug/L 06/11/09 3.4 10 ND ND 4.8 J ND ND --ND
ug/L 12/10/09 0.830 10 ND ND ND ND ND --ND
ug/L 06/15/10 2.70 10 ND ND ND ND ND --ND
ug/L 12/09/10 0.830 10 ND ND ND 1.85 J ND --ND
ug/L 06/15/11 0.830 10 ND ND ND ND ND ND ND
ug/L 12/06/11 2.70 10 ND ND ND ND ND --ND
ug/L 06/14/12 0.830 10 ND ND ND ND ND ND ND
ug/L 12/03/12 4.50 10 ND ND ND ND ND ND ND
ug/L 06/11/13 5.00 10 ND ND ND ND ND ND ND
ug/L 12/02/13 5.00 10 ND ND ND ND ND ND ND
ug/L 06/10/14 5.00 10 ND ND ND ND ND ND ND
ug/L 12/03/14 5.00 10 ND ND ND ND ND ND ND
ug/L 06/08/15 5.00 10 ND ND ND ND 5.43 J (ND)ND ND
(dissolved)ug/L 06/08/15 5.00 10 --------ND --ND
ug/L 12/02/15 5.00 10 ND ND ND ND ND ND ND
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TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
Silver ug/L 08/07/02 --10 ND ND ND ND ND --ND
SWS GPS = 20 ug/L ug/L 06/16/03 --10 ND ND ND ND ND --ND
EPA MCL = 100 ug/L ug/L 12/16/03 --10 ND ND ND ND ND --ND
ug/L 06/16/04 --10 ND ND ND ND ND --ND
ug/L 12/16/04 --10 ND ND ND ND ND --ND
ug/L 06/14/05 --10 ND ND ND ND ND --ND
ug/L 12/27/05 --10 ND ND ND ND ND --ND
ug/L 06/21/06 --10 ND ND ND ND ND --ND
ug/L 12/13/06 2 10 ND 3.1 J ND ND ND --ND
ug/L 06/29/07 2 10 ND ND ND ND ND --ND
ug/L 12/13/07 2 10 ND ND ND ND ND --ND
ug/L 06/19/08 2 10 ND ND ND ND ND --ND
ug/L 12/02/08 1.9 10 ND ND ND ND ND --ND
ug/L 06/11/09 1.0 10 2.7 J ND 1.4 J 6.8 J ND --ND
ug/L 12/10/09 1.90 10 ND 2.08 J ND ND ND --ND
ug/L 06/15/10 1.90 10 ND ND ND ND ND --ND
ug/L 12/09/10 1.90 10 ND ND ND ND ND --ND
ug/L 06/15/11 1.90 10 ND ND ND ND ND ND ND
ug/L 12/06/11 1.90 10 2.67 J ND ND ND 3.09 --ND
ug/L 06/14/12 1.90 10 ND ND ND 2.28 J 2.53 J ND ND
ug/L 12/03/12 1.90 10 ND ND ND ND ND ND ND
ug/L 06/11/13 1.90 10 5.10 B 2.95 B ND ND ND ND 2.02 J
ug/L 12/02/13 1.90 10 ND ND 3.69 J ND ND ND ND
ug/L 06/10/14 1.90 10 ND ND ND ND ND ND ND
ug/L 12/03/14 1.90 10 12.0 ND ND ND ND ND ND
ug/L 06/08/15 1.90 10 5.67 J ND ND ND 6.37 J ND ND
ug/L 12/02/15 1.90 10 ND ND 5.37 J ND ND ND ND
Thallium ug/L 06/29/07 0.036 5.5 0.246 J 0.137 J 0.390 J 0.039 J ND --ND
SWS GPS = 0.28 ug/L ug/L 12/13/07 0.036 5.5 0.372 J 0.141 J 0.492 J 0.050 J ND --ND
EPA MCL = 2 ug/L ug/L 06/19/08 0.036 5.5 0.352 J 0.143 J 0.450 J 0.047 J ND --ND
ug/L 12/02/08 0.036 5.5 ND ND ND ND ND --ND
ug/L 06/11/09 0.036 5.5 0.304 J ND 0.210 J ND ND --ND
ug/L 12/10/09 0.110 5.5 0.325 J 0.111 J 0.318 J ND ND --ND
ug/L 06/15/10 0.110 5.5 0.144 J ND 0.126 J ND ND --ND
ug/L 12/09/10 0.110 5.5 0.126 J ND ND ND ND --ND
ug/L 06/15/11 0.110 5.5 ND ND ND ND ND --ND
ug/L 12/06/11 0.110 5.5 0.319 J 0.119 J 0.226 J ND ND ND ND
ug/L 06/14/12 0.110 5.5 0.316 B 0.126 B 0.225 B ND ND 0.157 B 0.195 J
ug/L 12/03/12 0.110 5.5 0.318 J ND 0.243 J ND ND ND ND
ug/L 06/11/13 0.110 5.5 0.310 J 0.129 J 0.217 J ND ND ND ND
ug/L 12/02/13 0.110 5.5 0.285 J 0.128 J 0.224 J ND ND ND ND
ug/L 06/10/14 0.110 5.5 0.207 J 0.115 J 0.164 J ND ND ND ND
ug/L 12/03/14 0.110 5.5 0.211 J 0.112 J 0.162 J ND ND ND ND
ug/L 06/08/15 0.110 5.5 0.196 J 0.193 J 0.137 J ND ND ND ND
ug/L 12/02/15 0.110 5.5 0.237 J ND 0.146 J ND ND ND ND
Vanadium ug/L 06/29/07 1.7 25 ND ND ND ND 2.9 --ND
SWS GPS = 0.3 ug/L ug/L 12/13/07 1 25 4.9 J ND ND ND 4.0 --ND
No EPA MCL ug/L 06/19/08 1 25 1.3 J ND ND ND 1.1 --ND
ug/L 12/02/08 1.4 25 4.1 J ND ND ND ND --ND
ug/L 06/11/09 0.7 25 5.9 J ND ND ND 6.6 --ND
ug/L 12/10/09 1.40 25 ND ND ND ND 2.15 --ND
ug/L 06/15/10 1.40 25 ND ND ND ND ND --ND
ug/L 12/09/10 1.40 25 ND ND ND ND 4.33 --ND
ug/L 06/15/11 1.40 25 ND ND ND ND 2.41 ND ND
ug/L 12/06/11 1.40 25 ND ND ND ND 16.4 --ND
ug/L 06/14/12 1.40 25 ND ND ND ND 9.34 J 2.92 J ND
ug/L 12/03/12 1.40 25 ND ND ND ND 2.19 J 1.93 J ND
ug/L 12/03/12 1.40 25 ------------ND
ug/L 06/11/13 1.40 25 ND ND ND ND 8.91 J ND ND
ug/L 12/02/13 1.40 25 ND ND ND ND 4.16 J ND ND
ug/L 06/10/14 1.40 25 ND ND ND ND 2.87 J ND ND
ug/L 12/03/14 1.40 25 ND ND ND ND 2.02 J ND ND
ug/L 06/08/15 1.40 25 ND ND ND ND 17.3 J ND ND
ug/L 12/02/15 1.40 25 ND ND ND ND 5.31 J 1.89 J ND
Zinc ug/L 08/07/02 --50 ND ND ND ND ND --ND
NC 2L = 1000 ug/L ug/L 06/29/07 3.4 10 9.1 J ND 26.1 ND ND --ND
EPA MCL = 5000 ug/L*ug/L 12/13/07 1 10 22.2 3.3 B 33.4 3.2 B 5.0 --2.6 J
ug/L 06/19/08 1 10 15.6 2.5 B 26.2 15.3 2.7 --1.0 J
ug/L 12/02/08 3.8 10 22.2 ND 13.7 ND ND --ND
ug/L 06/11/09 3.4 10 32.7 B 4.6 B 15.7 B 13.8 B 31.0 --8.4 J
ug/L 12/10/09 3.80 10 12.9 ND 11.0 ND ND --ND
ug/L 06/15/10 3.80 10 13.9 ND 7.62 J 4.03 J ND --ND
ug/L 12/09/10 3.80 10 27.0 ND 7.78 J ND ND --ND
ug/L 06/15/11 3.80 10 12.5 ND 7.94 J ND ND 11.0 ND
ug/L 12/06/11 3.80 10 15.7 5.51 J 14.5 ND 13.4 --ND
ug/L 06/14/12 3.80 10 13.9 ND 7.65 J ND 7.96 J 22.1 ND
ug/L 12/03/12 3.80 10 11.8 ND 7.39 J ND ND 10.8 ND
ug/L 06/11/13 3.80 10 12.8 ND 5.92 J ND 5.03 J 4.47 J ND
ug/L 12/02/13 3.80 10 11.3 4.88 J 6.30 J ND 3.92 J 6.24 J ND
ug/L 06/10/14 3.80 10 8.35 J ND 7.98 J ND 4.43 J 4.84 J ND
ug/L 12/03/14 3.80 10 7.35 J ND 4.35 J ND ND ND ND
ug/L 06/08/15 3.80 10 7.31 J ND ND ND 5.39 J 6.17 J ND
ug/L 12/02/15 3.80 10 6.41 J ND ND ND 4.15 J 6.79 J ND
February 2016 Page 6 of 9 1239-643815.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsMDL
TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
Iron ug/L 06/29/07 15 300 ND ND 239 J ND 4180 --ND
NC 2L = 300 ug/L ug/L 08/09/07 20 300 364 --2920 ------23 J
EPA MCL = 300 ug/L*ug/L 12/13/07 20 300 2970 328 124 J 321 7340 --ND
ug/L 06/19/08 20 300 1230 86 J 75 J 203 J 16100 --ND
ug/L 12/02/08 22 300 3780 66 J 32 J 32 J 15500 --ND
ug/L 06/11/09 31 300 3150 40 J 35 J 158 J 25300 --ND
ug/L 12/10/09 22.0 300 409 41.4 J 32.8 J 58.3 J 6370 --ND
ug/L 06/15/10 22.0 300 517 109 J 48.9 J 78.6 J 8750 --ND
ug/L 12/09/10 22.0 300 210 J ND 26.1 J 134 J 22300 --ND
ug/L 06/15/11 22.0 300 149 J 31.4 J ND 111 J 9750 970 ND
ug/L 12/06/11 22.0 300 73.1 J ND ND 29.7 J 41800 --ND
ug/L 06/14/12 22.0 300 80.9 J 38.9 J ND 38.0 J 20500 2320 ND
ug/L 12/03/12 22.0 300 68.5 J 32.8 J ND 25.1 J 10800 1240 ND
ug/L 06/11/13 22.0 300 188 J 102 B ND 23.0 B 29600 664 32.8 J
ug/L 12/02/13 22.0 300 116 J ND ND ND 13500 748 ND
ug/L 06/10/14 22.0 300 72.0 J ND 31.4 J ND 10600 164 J ND
ug/L 12/03/14 22.0 300 78.6 J ND ND 52.4 J 7180 151 J ND
ug/L 06/08/15 22.0 300 182 J ND 34.2 J 277 J 54100 848 ND
ug/L 12/02/15 22.0 300 179 J ND ND 1020 20300 928 ND
Manganese ug/L 06/29/07 1.4 50 71.2 174 256 52.6 151 --ND
NC 2L = 50 ug/L ug/L 12/13/07 1.4 50 121 123 356 72.3 170 --ND
EPA MCL = 50 ug/L*ug/L 06/19/08 1.4 50 86.6 113 274 78.9 155 --ND
ug/L 12/02/08 1.1 50 137 72.3 237 63.0 158 --2.6 J
ug/L 06/11/09 1.1 50 125 111 195 68.0 158 --ND
ug/L 12/10/09 1.10 50 71.6 62.8 177 65.3 151 --ND
ug/L 06/15/10 1.10 50 62.8 158 108 85.4 136 --ND
ug/L 12/09/10 1.10 50 66.4 89.9 116 136 158 --ND
ug/L 06/15/11 1.10 50 68.2 118 142 106 157 1230 ND
ug/L 12/06/11 1.10 50 67.5 86.9 171 188 164 --1.46 J
ug/L 06/14/12 1.10 50 66.4 121 159 143 163 122 ND
ug/L 12/03/12 1.10 50 57.5 93.6 176 246 138 182 ND
ug/L 06/11/13 1.10 50 58.9 190 168 227 151 18.9 J ND
ug/L 12/02/13 1.10 50 47.4 J 162 145 396 144 71.8 ND
ug/L 06/10/14 1.10 50 36.2 J 299 109 387 151 14.1 J ND
ug/L 12/03/14 1.10 50 37.3 J 295 102 906 156 16.2 J ND
ug/L 06/08/15 1.10 50 56.2 486 78.2 1790 162 25.1 J 2.85 J
ug/L 12/02/15 1.10 50 55.3 361 79.6 3100 152 33.3 J 1.25 J
Benzene ug/L 06/16/03 --5 ND ND ND ND ND --ND
NC 2L = 1 ug/L ug/L 12/16/03 --5 ND ND ND ND ND --ND
EPA MCL = 5 ug/L ug/L 06/16/04 --5 ND ND ND ND ND --ND
ug/L 12/16/04 --5 ND ND ND ND ND --ND
ug/L 06/14/05 --5 ND ND ND ND ND --ND
ug/L 12/27/05 --5 ND ND ND ND ND --ND
ug/L 06/21/06 --5 ND ND ND ND ND --ND
ug/L 12/13/06 --5 ND ND ND ND ND --ND
ug/L 06/29/07 0.12 1 ND ND ND ND ND --ND
ug/L 12/13/07 0.12 1 ND ND ND ND ND --ND
ug/L 06/19/08 0.2 1 ND ND ND ND ND --ND
ug/L 12/02/08 0.2 1 ND ND ND ND ND --ND
ug/L 06/11/09 0.20 1 ND ND ND ND ND --ND
ug/L 12/10/09 0.20 1 ND ND ND ND ND --ND
ug/L 06/15/10 0.050 1 ND ND ND ND ND --ND
ug/L 12/09/10 0.20 1 ND ND ND ND ND --ND
ug/L 06/15/11 0.68 1 ND ND ND ND ND ND ND
ug/L 12/06/11 0.68 1 ND ND ND ND ND --ND
ug/L 06/14/12 0.15 1 ND ND ND ND ND ND ND
ug/L 12/03/12 0.15 1 ND ND 0.58 J ND ND ND ND
ug/L 06/11/13 0.15 1 ND ND 0.70 J ND ND ND ND
ug/L 12/02/13 0.15 1 ND ND 0.45 J ND ND ND ND
ug/L 06/10/14 0.15 1 ND ND ND ND ND ND ND
ug/L 12/03/14 0.15 1 ND ND ND ND ND ND ND
ug/L 06/08/15 0.15 1 ND ND ND 0.52 J ND ND ND
ug/L 12/02/15 0.15 1 ND ND ND 0.52 J ND ND ND
cis-1,2-Dichloroethene ug/L 06/16/03 --5 ND ND ND ND ND --ND
NC 2L = 70 ug/L ug/L 12/16/03 --5 ND ND ND ND ND --ND
EPA MCL = 70 ug/L ug/L 06/16/04 --5 ND ND ND ND ND --ND
ug/L 12/16/04 --5 ND ND ND ND ND --ND
ug/L 06/14/05 --5 ND ND ND ND ND --ND
ug/L 12/27/05 --5 ND ND ND ND ND --ND
ug/L 06/21/06 --5 ND ND ND ND ND --ND
ug/L 12/13/06 --5 ND ND ND ND ND --ND
ug/L 06/29/07 0.14 5 ND ND ND ND ND --ND
ug/L 12/13/07 0.14 5 ND ND ND ND ND --ND
ug/L 06/19/08 0.3 5 ND ND ND ND ND --ND
ug/L 12/02/08 0.36 5 ND ND ND ND ND --ND
ug/L 06/11/09 0.36 5 ND ND ND ND ND --ND
ug/L 12/10/09 0.36 5 ND ND ND ND ND --ND
ug/L 06/15/10 0.075 5 ND ND ND ND ND --ND
ug/L 12/09/10 0.36 5 ND ND ND ND ND --ND
ug/L 06/15/11 0.72 5 ND ND ND ND ND ND ND
ug/L 12/06/11 0.72 5 ND ND ND ND ND --ND
ug/L 06/14/12 0.15 5 ND ND ND ND ND ND ND
ug/L 12/03/12 0.15 5 ND ND 0.50 J ND ND ND ND
ug/L 06/11/13 0.15 5 ND ND 0.80 J ND ND ND ND
ug/L 12/02/13 0.15 5 ND ND 0.55 J ND ND ND ND
ug/L 06/10/14 0.15 5 ND ND ND ND ND ND ND
ug/L 12/03/14 0.15 5 ND ND ND ND ND ND ND
ug/L 06/08/15 0.15 5 ND ND ND 0.47 J ND ND ND
ug/L 12/02/15 0.15 5 ND ND 0.56 J 0.46 J ND ND ND
February 2016 Page 7 of 9 1239-643815.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsMDL
TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
Methylene Chloride ug/L 06/16/03 --10 ND ND ND ND ND --ND
NC 2L = 5 ug/L ug/L 12/16/03 --10 ND ND ND ND ND --ND
EPA MCL = 5 ug/L ug/L 06/16/04 --10 ND ND ND ND ND --ND
ug/L 12/16/04 --10 ND ND ND ND ND --ND
ug/L 06/14/05 --10 ND ND ND ND ND --ND
ug/L 12/27/05 --10 ND ND ND ND ND --ND
ug/L 06/21/06 --10 ND ND ND ND ND --ND
ug/L 12/13/06 --10 ND ND ND ND ND --ND
ug/L 06/29/07 0.088 1 ND ND ND ND ND --ND
ug/L 12/13/07 0.088 1 ND ND ND ND ND --ND
ug/L 06/19/08 0.24 1 ND ND ND ND ND --ND
ug/L 12/02/08 0.53 1 ND ND ND ND ND --ND
ug/L 06/11/09 0.53 1 ND ND ND ND ND --ND
ug/L 12/10/09 0.53 1 ND ND ND ND ND --ND
ug/L 06/15/10 0.070 1 ND ND ND ND ND --ND
ug/L 12/09/10 0.53 1 ND ND ND ND ND --ND
ug/L 06/15/11 0.14 1 ND ND ND ND ND ND ND
ug/L 12/06/11 0.14 1 ND ND 1.0 ND ND --ND
ug/L 06/14/12 0.23 1 ND ND ND ND ND ND ND
ug/L 12/03/12 0.23 1 ND ND 1.5 ND ND ND ND
ug/L 06/11/13 0.23 1 ND ND 2.0 ND ND ND ND
ug/L 12/02/13 0.23 1 ND ND ND ND ND ND ND
ug/L 06/10/14 0.23 1 ND ND ND ND ND ND ND
ug/L 12/03/14 0.23 1 ND ND ND ND ND ND ND
ug/L 06/08/15 0.23 1 ND ND ND ND ND ND ND
ug/L 12/02/15 0.23 1 ND ND 0.56 J ND ND ND ND
Tetrachloroethene ug/L 06/16/03 --5 ND ND ND ND ND --ND
NC 2L = 0.7 ug/L ug/L 12/16/03 --5 ND ND ND ND ND --ND
EPA MCL = 5 ug/L ug/L 06/16/04 --5 ND ND ND ND ND --ND
ug/L 12/16/04 --5 ND ND ND ND ND --ND
ug/L 06/14/05 --5 ND ND ND ND ND --ND
ug/L 12/27/05 --5 ND ND ND ND ND --ND
ug/L 06/21/06 --5 ND ND ND ND ND --ND
ug/L 12/13/06 --5 ND ND ND ND ND --ND
ug/L 06/29/07 0.25 1 ND ND ND ND ND --ND
ug/L 12/13/07 0.25 1 ND ND ND ND ND --ND
ug/L 06/19/08 0.36 1 ND ND ND ND ND --ND
ug/L 12/02/08 0.36 1 ND ND 0.77 J ND ND --ND
ug/L 06/11/09 0.36 1 ND ND 0.82 J ND ND --ND
ug/L 12/10/09 0.36 1 ND ND 1.2 ND ND --ND
ug/L 06/15/10 0.099 1 ND ND 1.0 ND ND --ND
ug/L 12/09/10 0.36 1 ND ND 1.4 ND ND --ND
ug/L 06/15/11 0.73 1 ND ND 1.9 ND ND ND ND
ug/L 12/06/11 0.73 1 ND ND 2.9 ND ND --ND
ug/L 06/14/12 0.17 1 ND ND 0.64 J ND ND ND ND
ug/L 12/03/12 0.17 1 ND ND 2.9 ND ND ND ND
ug/L 06/11/13 0.17 1 ND ND 2.4 ND ND ND ND
ug/L 12/02/13 0.17 1 ND ND 1.8 ND ND ND ND
ug/L 06/10/14 0.17 1 ND ND 1.5 ND ND ND ND
ug/L 12/03/14 0.17 1 ND ND 0.84 J ND ND ND ND
ug/L 06/08/15 0.17 1 ND ND 0.53 J ND ND ND ND
ug/L 12/02/15 0.17 1 ND ND 0.58 J ND ND ND ND
Trichloroethene ug/L 06/16/03 --5 ND ND ND ND ND --ND
NC 2L = 3 ug/L ug/L 12/16/03 --5 ND ND ND ND ND --ND
EPA MCL = 5 ug/L ug/L 06/16/04 --5 ND ND ND ND ND --ND
ug/L 12/16/04 --5 ND ND ND ND ND --ND
ug/L 06/14/05 --5 ND ND ND ND ND --ND
ug/L 12/27/05 --5 ND ND ND ND ND --ND
ug/L 06/21/06 --5 ND ND ND ND ND --ND
ug/L 12/13/06 --5 ND ND ND ND ND --ND
ug/L 06/29/07 0.23 1 ND ND ND ND ND --ND
ug/L 12/13/07 0.23 1 ND ND ND ND ND --ND
ug/L 06/19/08 0.25 1 ND ND 0.60 J ND ND --ND
ug/L 12/02/08 0.38 1 ND ND 1.6 ND ND --ND
(verification event)ug/L 01/23/09 0.56 1 ----1.7 (4.2)ND ND --ND
ug/L 06/11/09 0.38 1 ND ND 2.2 ND ND --ND
ug/L 12/10/09 0.38 1 ND ND 3.4 ND ND --ND
ug/L 06/15/10 0.13 1 ND ND 2.1 ND ND --ND
ug/L 12/09/10 0.38 1 ND ND 3.0 ND ND --ND
ug/L 06/15/11 0.72 1 ND ND 4.6 ND ND ND ND
ug/L 12/06/11 0.72 1 ND ND 4.8 ND ND --ND
ug/L 06/14/12 0.15 1 ND ND 3.2 ND ND ND ND
ug/L 12/03/12 0.15 1 ND ND 3.4 ND ND ND ND
ug/L 06/11/13 0.15 1 ND ND 2.4 ND ND ND ND
ug/L 12/02/13 0.15 1 ND ND 1.4 ND ND ND ND
ug/L 06/10/14 0.15 1 ND ND 0.73 J ND ND ND ND
ug/L 12/03/14 0.15 1 ND ND 0.44 J ND ND ND ND
ug/L 06/08/15 0.15 1 ND ND ND ND ND ND ND
ug/L 12/02/15 0.15 1 ND ND ND ND ND ND ND
February 2016 Page 8 of 9 1239-643815.100
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Blanks
MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsMDL
TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
Trichlorofluoromethane ug/L 06/16/03 --5 ND ND ND ND ND --ND
NC 2L = 2000 ug/L ug/L 12/16/03 --5 ND ND ND ND ND --ND
No EPA MCL ug/L 06/16/04 --5 ND ND ND ND ND --ND
ug/L 12/16/04 --5 ND ND ND ND ND --ND
ug/L 06/14/05 --5 ND ND ND ND ND --ND
ug/L 12/27/05 --5 ND ND ND ND ND --ND
ug/L 06/21/06 --5 ND ND ND ND ND --ND
ug/L 12/13/06 0.2 5 ND ND 3.3 J ND ND --ND
ug/L 06/29/07 0.16 1 ND 0.53 J 34 ND ND --ND
ug/L 08/09/07 0.16 1 ----11 ------ND
ug/L 12/13/07 0.16 1 ND ND 23 ND ND --ND
ug/L 06/19/08 0.28 1 ND ND 25 ND ND --ND
ug/L 12/02/08 0.28 1 ND ND 13 ND ND --ND
ug/L 06/11/09 0.28 1 ND ND 9.2 ND ND --ND
ug/L 12/10/09 0.28 1 ND ND 7.8 ND ND --ND
ug/L 06/15/10 0.15 1 ND ND 3.1 ND ND --ND
ug/L 12/09/10 0.28 1 ND ND 2.6 ND ND --ND
ug/L 06/15/11 0.66 1 ND ND 2.2 ND ND ND ND
ug/L 12/06/11 0.66 1 ND ND 1.4 ND ND --ND
ug/L 06/14/12 0.24 1 ND ND ND ND ND ND ND
ug/L 12/03/12 0.24 1 ND ND 0.91 J ND ND ND ND
ug/L 06/11/13 0.24 1 ND ND 0.52 J ND ND ND ND
ug/L 12/02/13 0.24 1 ND ND ND ND ND ND ND
ug/L 06/10/14 0.24 1 ND ND ND ND ND ND ND
ug/L 12/03/14 0.24 1 ND ND ND ND ND ND ND
ug/L 06/08/15 0.24 1 ND ND ND ND ND ND ND
ug/L 12/02/15 0.24 1 ND ND ND ND ND ND ND
Total Xylenes ug/L 06/16/03 --10 ND ND ND ND ND --ND
NC 2L = 500 ug/L ug/L 12/16/03 --10 5 ND ND ND ND --ND
EPA MCL = 10000 ug/L ug/L 06/16/04 --10 ND ND ND ND ND --ND
ug/L 12/16/04 --10 ND ND ND ND ND --ND
ug/L 06/14/05 --10 ND ND ND ND ND --ND
ug/L 12/27/05 --5 ND ND ND ND ND --ND
ug/L 06/21/06 --5 ND ND ND ND ND --ND
ug/L 12/13/06 --5 ND ND ND ND ND --ND
ug/L 06/29/07 0.21 4 ND ND ND ND ND --ND
ug/L 12/13/07 0.21 5 ND ND ND ND ND --ND
ug/L 06/19/08 0.4 5 ND ND ND ND ND --ND
ug/L 12/02/08 0.4 5 ND ND ND ND ND --ND
ug/L 06/11/09 0.40 5 ND ND ND ND ND --ND
ug/L 12/10/09 0.40 5 ND ND ND ND ND --ND
ug/L 06/15/10 0.22 5 ND ND ND ND ND --ND
ug/L 12/09/10 0.40 5 ND ND ND ND ND --ND
ug/L 06/15/11 2.1 5 ND ND ND ND ND ND ND
ug/L 12/06/11 2.1 5 ND ND ND ND ND --ND
ug/L 06/14/12 0.45 5 ND ND ND ND ND ND ND
ug/L 12/03/12 0.45 5 ND ND 1.6 J ND ND ND ND
ug/L 06/11/13 0.45 5 ND ND 2.0 J ND ND ND ND
ug/L 12/02/13 0.45 5 ND ND 0.62 J ND ND ND ND
ug/L 06/10/14 0.45 5 ND ND ND ND ND ND ND
ug/L 12/03/14 0.45 5 ND ND ND ND ND ND ND
mg/L 06/08/15 0.45 5 ND ND ND ND ND ND ND
mg/L 12/02/15 0.45 5 ND ND ND ND ND ND ND
Tetrahydrofuran ug/L 06/15/11 0.80 --ND ND 4.8 ND ND --ND
No Standard ug/L 12/06/11 0.80 --ND ND 8.5 ND ND --ND
No EPA MCL ug/L 06/14/12 0.80 --ND ND 11 ND ND ND ND
ug/L 12/03/12 0.80 --ND ND 22 ND ND ND ND
ug/L 06/11/13 0.80 --ND ND 55 ND ND ND ND
ug/L 12/02/13 0.80 --ND ND 45 ND ND ND ND
ug/L 06/10/14 0.80 --ND ND 19 ND ND ND ND
ug/L 12/03/14 0.80 --ND ND 10 ND ND ND ND
ug/L 12/02/15 0.80 --ND ND 2.2 ND ND ND ND
ug/L 06/08/15 0.80 --ND ND 2.0 ND ND ND ND
ug/L 12/02/15 0.80 --ND ND 2.2 ND ND ND ND
Chloride mg/L 06/29/07 0.05 --16 15 27 3.6 3.1 --0.54 J
NC 2L = 250 mg/L mg/L 08/09/07 2 --24 --39 ------ND
EPA MCL = 250 mg/L mg/L 12/13/07 0.48 --27 21 47 9.0 4.3 --ND
mg/L 06/19/08 2 --29 16 33 5.4 B 4.1 --1.7 J
mg/L 12/02/08 0.5 --32 15 33 4.7 J 2.9 --ND
mg/L 06/11/09 0.018 --35 16 25 4.9 J 4.8 --ND
mg/L 12/10/09 0.018 --40 16 24 5.6 9.2 --ND
mg/L 06/15/10 0.018 --31 19 18 4.9 J 5.1 --ND
mg/L 12/09/10 0.018 --36 18 14 5.0 4.2 --ND
mg/L 06/15/11 0.29 --38 18 19 4.5 J 4.6 3.6 J ND
mg/L 12/06/11 0.047 --42 15 21 4.4 B 3.7 --1.4 J
mg/L 06/14/12 0.43 --40 14 16 4.1 B 4.1 B 3.7 B 1.5
mg/L 12/03/12 0.43 --41 14 20 4.7 B 3.7 B 3.5 B 1.4
mg/L 06/11/13 2.2 --37 15 17 3.7 J 4.4 J 2.5 J ND
mg/L 12/02/13 2.2 --31 16 15 4.0 J 3.7 J 2.4 J ND
mg/L 06/10/14 2.2 --20 23 12 4.1 J 7.0 2.4 J ND
mg/L 12/03/14 2.2 --19 20 10 4.6 J 4.2 J 2.2 J ND
mg/L 06/08/15 2.2 --16 23 9.7 5.9 4.5 J 2.4 J ND
mg/L 12/02/15 2.2 --15 19 8.1 5.2 3.4 J ND ND
February 2016 Page 9 of 9 1239-643815.100
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Blanks
MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsMDL
TABLE 4
Summary of Detected Constituents in Groundwater
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
SWS
Reporting
Limit
Upgradient DowngradientParameterReporting
Units Date
Total Dissolved Solids mg/L 06/29/07 10 --88 310 490 92 76 --ND
NC 2L = 1000 mg/L mg/L 08/09/07 10 --82 --620 ------ND
No EPA MCL mg/L 12/13/07 10 --70 360 690 110 66 --ND
mg/L 06/19/08 10 --86 350 490 90 58 --ND
mg/L 12/02/08 10 --78 350 520 110 76 --ND
mg/L 06/11/09 10 --68 330 370 48 54 --ND
mg/L 12/10/09 10 --64 310 350 46 100 --ND
mg/L 06/15/10 10 --76 390 240 130 62 --ND
mg/L 12/09/10 10 --72 340 130 130 50 --ND
mg/L 06/15/11 10 --60 330 200 80 54 110 ND
mg/L 12/06/11 10 --68 280 220 110 52 --ND
mg/L 06/14/12 10 --72 320 200 80 44 66 ND
mg/L 12/03/12 10 --140 260 120 130 50 120 ND
mg/L 06/11/13 10 --50 180 170 34 ND 28 ND
mg/L 12/02/13 10 --52 330 140 110 26 36 ND
mg/L 06/10/14 10 --38 350 90 76 32 26 ND
mg/L 12/03/14 10 --24 270 30 110 12 12 ND
mg/L 06/08/15 10 --ND 290 ND 130 ND ND ND
mg/L 12/02/15 10 --ND 320 ND 140 56 ND ND
Sulfate mg/L 06/29/07 0.6 250 4.0 B 3.9 B 3.8 B 8.8 B 5.6 --3.9 J
NC 2L = 250 mg/L mg/L 08/09/07 0.03 250 1.4 J --1.8 J ------ND
No EPA MCL mg/L 12/13/07 0.03 250 0.86 J 1.2 J 1.4 J 3.6 J 0.88 --ND
mg/L 06/19/08 0.05 250 1.6 J 1.7 J 1.6 J 4.6 J 3.6 --ND
mg/L 12/02/08 0.05 250 ND 2.0 J 2.0 J 5.5 J 4.0 --ND
mg/L 06/11/09 0.078 250 1.9 J 1.9 J 1.8 J 6.2 J 4.9 --ND
mg/L 12/10/09 0.078 250 2.0 J 2.1 J 2.0 J 8.2 J 5.5 --ND
mg/L 06/15/10 0.12 250 3.1 J 2.0 J ND 42 J 5.0 --ND
mg/L 12/09/10 0.12 250 2.5 J 2.1 J 1.9 J 59 J 3.7 --ND
mg/L 06/15/11 0.07 250 1.2 J 1.1 J 0.81 J 27 J 3.6 6.3 J ND
mg/L 12/06/11 0.02 250 1.6 J 1.7 J 1.5 J 63 J 2.9 --ND
mg/L 06/14/12 0.04 250 1.9 J 2.2 J 1.9 J 27 J 3.7 J 7.5 J ND
mg/L 12/03/12 0.04 250 2.1 J 2.3 J 2.0 J 64 J 3.2 J 6.4 J ND
mg/L 06/11/13 0.04 250 2.1 J 2.8 J ND 26 J 5.2 J 15 J ND
mg/L 12/02/13 2.9 250 ND ND ND 44 J 3.1 J 6.6 J ND
mg/L 06/10/14 2.9 250 3.5 J 6.3 J ND 31 J 4.1 J 9.3 J ND
mg/L 12/03/14 2.9 250 3.2 J 7.9 J ND 62 J 4.4 J 10 J ND
mg/L 06/08/15 2.9 250 5.0 J 35 J ND 78 J 4.0 J 9.6 J ND
mg/L 12/02/15 2.9 250 3.8 J 65 J ND 67 J 3.5 J 6.6 J ND
Total Alkalinity mg/L 08/07/02 ----3.0 J 5.0 J ND 26 20 --ND
No Standard mg/L 06/29/07 5.2 --ND ND ND 17 67 ----
No EPA MCL mg/L 08/09/07 5.2 --ND --ND ------ND
mg/L 12/13/07 4.7 --4.7 J 5.4 J ND 24 24 --ND
mg/L 06/19/08 4.7 --6.1 B 7.9 B ND 27 B 22 --7.0 J
mg/L 12/02/08 2.7 --20 19 22 39 30 --ND
mg/L 06/11/09 8.3 --ND ND ND 16 21 --ND
mg/L 12/10/09 8.3 --10 J 10 J 16 27 15 --ND
mg/L 06/15/10 8.0 --8.7 J ND 11 J 18 23 --ND
mg/L 12/09/10 8 --ND ND 9.5 J 21 24 --ND
mg/L 06/15/11 12 --ND 12 J ND 18 22 14 J ND
mg/L 12/06/11 12 --ND ND ND 17 12 --ND
mg/L 06/14/12 12 --ND ND ND 25 18 ND ND
mg/L 12/03/12 12 --ND ND ND 20 16 ND ND
mg/L 06/11/13 14 --ND ND ND 29 21 ND ND
mg/L 12/02/13 14 --14 J ND 24 38 32 21 ND
mg/L 06/10/14 14 --ND ND ND 31 ND ND ND
mg/L 12/03/14 14 --ND ND ND 31 25 ND ND
mg/L 06/08/15 14 --ND ND ND 42 29 ND ND
mg/L 12/02/15 14 --ND 18 ND 34 18 ND ND
Notes:
MW = groundwater monitoring well
ug/L = micrograms per liter
mg/L = milligrams per liter
J = Estimated Value
B = Blank-qualified data
-- = No data available
# = EPA Action Level
* = EPA Secondary MCL
ND = Not detected at or above the stated reporting limit
EPA MCL = Environmental Protection Agency's Maximum Contaminant Level for drinking water.
MDL = Method Detection Limit
NC 2L = North Carolina groundwater quality standard established under 15A NCAC 2L .0202
SWS GPS = North Carolina Solid Waste Section Groundwater Protection Standard
Blanks = Field, trip, and laboratory method blanks
Bolded = Concentrations above the current NC 2L Groundwater Standards or SWS GPS.
Shaded = Concentration exceeds the current EPA MCL for associated parameter.
SWS Reporting Limit = NCPQL or lab-specific reporting limit prior to 2007 and NCSWSL starting on 01/18/07.
1)Results in parentheses reflect laboratory re-analysis data
2)NC DENR approved request on 09/16/14 to discontinue monitoring at existing wells MW-6Ad, MW-7As, and MW-7Ad.
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6As
pH S.U.08/07/02 4.74 6.11 5.57 6.35 6.15 --
S.U.12/13/06 5.19 4.82 4.14 5.15 5.71 --
S.U.06/29/07 5.67 4.82 4.30 4.97 5.37 --
S.U.08/09/07 4.03 --3.70 ------
S.U.12/13/07 4.55 4.82 4.12 4.94 5.58 --
S.U.06/19/08 4.44 4.77 4.22 5.05 5.65 --
S.U.12/02/08 4.60 5.03 4.28 5.10 5.65 --
Verification event S.U.01/23/09 ----4.09 ------
S.U.06/11/09 4.77 5.00 4.46 5.21 5.62 --
S.U.12/10/09 4.53 4.82 4.31 5.12 5.34 --
S.U.06/15/10 4.99 5.12 4.96 5.55 5.78 --
S.U.12/09/10 4.45 4.90 4.53 4.82 5.35 --
S.U.06/15/11 6.45 6.43 6.53 5.97 6.88 6.56
S.U.12/06/11 4.22 4.62 4.24 4.71 5.50 --
S.U.06/14/12 4.71 4.71 4.26 4.83 5.40 5.00
S.U.12/03/12 3.91 4.37 4.43 4.42 5.49 4.77
S.U.06/11/13 4.06 3.68 3.44 3.39 3.97 3.74
S.U.12/02/13 4.69 4.92 4.64 5.07 5.86 5.33
Verification event S.U.01/09/14 --4.80 --------
S.U.06/10/14 4.78 4.89 4.82 5.30 5.20 5.17
S.U.12/03/14 3.98 4.33 4.43 4.89 5.46 4.97
S.U.06/08/15 3.51 3.45 3.03 3.74 3.96 4.08
S.U.12/02/15 3.82 4.44 4.08 4.58 4.91 4.33
Specific Conductance uS/cm 12/13/06 97.7 485 1208 143.8 88.5 --
uS/cm 06/29/07 105 457 696 102 68 --
uS/cm 08/09/07 114 --785 ------
uS/cm 12/13/07 156 567 1040 402 222 --
uS/cm 06/19/08 149 452 707 124 76 --
uS/cm 12/02/08 131 374 586 101 61 --
Verification event uS/cm 01/23/09 ----347 ------
uS/cm 06/11/09 166 452 494 82 74 --
uS/cm 12/10/09 185 450 457 103 74 --
uS/cm 06/15/10 143 464 274 157 75 --
uS/cm 12/09/10 148 435 195 191 66 --
uS/cm 06/15/11 164 436 264 129 72 71
uS/cm 12/06/11 170 382 321 206 68 --
uS/cm 06/14/12 164 105 187 109 61 81
uS/cm 12/03/12 146 322 267 188 58 73
uS/cm 06/11/13 137 332 200 121 60 76
uS/cm 12/02/13 177 408 221 208 104 74
Verification event uS/cm 01/09/14 --474 --------
uS/cm 06/10/14 134 452 164 186 97 79
uS/cm 12/03/14 105 450 106 241 78 61
uS/cm 06/08/15 83 384 78 237 67 44
uS/cm 12/02/15 85 458 76 240 68 39
TABLE 5
Summary of Field Parameters from Groundwater Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting
Units Date Upgradient Downgradient
February 2016 Page 2 of 3 1239-643815.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6As
TABLE 5
Summary of Field Parameters from Groundwater Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting
Units Date Upgradient Downgradient
Temperature oC 12/13/06 17.5 16.1 16.2 17.4 15.1 --
oC 06/29/07 20.25 21.3 20.53 20.88 20.64 --
oC 08/09/07 19.13 --17.51 ------
oC 12/13/07 17.42 17.06 16.99 19.01 16.99 --
oC 06/19/08 18.52 17.58 17.38 17.38 16.02 --
oC 12/02/08 15.63 15.55 16.09 17.15 14.53 --
Verification event oC 01/23/09 ----14.76 ------
oC 06/11/09 20.49 18.35 17.64 18.82 19.25 --
oC 12/10/09 16.76 15.70 16.05 16.47 14.63 --
oC 06/15/10 20.84 19.16 18.42 17.93 18.64 --
oC 12/09/10 16.14 15.30 15.26 16.58 13.62 --
oC 06/15/11 19.25 17.45 16.71 17.47 17.61 19.13
oC 12/06/11 17.62 17.09 16.77 18.09 16.91 --
oC 06/14/12 18.81 16.71 17.16 17.16 15.82 17.26
oC 12/03/12 17.62 16.64 16.44 17.55 15.99 16.67
oC 06/11/13 19.31 18.91 17.77 18.40 16.60 17.62
oC 12/02/13 17.5 16.4 16.5 17.2 15.1 15.6
Verification event oC 01/09/14 --16.5 --------
oC 06/10/14 20.2 16.9 16.9 16.7 15.7 16.8
oC 12/03/14 16.3 15.9 15.9 16.8 15.3 15.1
oC 06/08/15 19.2 17.2 17.2 16.4 14.7 15.6
oC 12/02/15 17.4 16.6 16.6 17.6 16.2 16.3
Turbidity NTU 12/13/06 21.6 10.5 16.8 28.7 992 --
NTU 06/29/07 28.4 7.6 0.0 0.0 152 --
NTU 08/09/07 33.5 --96.2 ------
NTU 12/13/07 846 69.8 8.2 21.3 253 --
NTU 06/19/08 65.9 7.94 16.8 11.2 91.1 --
NTU 12/02/08 50.4 7.91 3.49 8.53 99.7 --
Verification event NTU 01/23/09 ----3.33 ------
NTU 06/11/09 84.1 7.67 4.38 14.3 191 --
NTU 12/10/09 33.1 5.12 1.67 7.68 42.9 --
NTU 06/15/10 15.1 10.6 2.10 8.28 44.7 --
NTU 12/09/10 6.96 3.21 1.53 6.40 98.5 --
NTU 06/15/11 3.04 3.40 1.06 6.17 235 30.5
NTU 12/06/11 5.68 4.68 3.09 3.62 461 --
NTU 06/14/12 5.22 14.5 2.44 3.70 270 97.8
NTU 12/03/12 4.07 6.21 2.32 2.14 64.2 47.5
NTU 06/11/13 12.9 14.4 1.23 1.77 354 17.3
NTU 12/02/13 5.10 52.7 2.19 1.16 135 24.4
Verification event NTU 01/09/14 --5.20 --------
NTU 06/10/14 6.83 4.25 2.56 2.14 96.7 8.66
NTU 12/03/14 2.41 1.12 1.69 0.30 43.0 4.17
NTU 06/08/15 7.17 1.14 2.18 2.22 374 12.6
NTU 12/02/15 4.39 1.18 2.24 1.15 160 15.8
February 2016 Page 3 of 3 1239-643815.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6As
TABLE 5
Summary of Field Parameters from Groundwater Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting
Units Date Upgradient Downgradient
Dissolved Oxygen mg/L 12/13/07 7.72 5.91 1.18 2.45 0.57 --
mg/L 06/19/08 7.28 5.40 2.18 1.16 0.95 --
mg/L 12/02/08 7.37 6.56 4.03 4.36 1.38 --
Verification event mg/L 01/23/09 ----2.34 ------
mg/L 06/11/09 7.66 5.68 3.06 1.29 0.85 --
mg/L 12/10/09 6.77 6.14 1.53 0.89 2.24 --
mg/L 06/15/10 6.56 1.80 2.50 1.33 2.64 --
mg/L 12/09/10 7.27 4.31 3.21 5.81 5.34 --
mg/L 06/15/11 4.96 4.01 1.67 1.48 0.49 3.70
mg/L 12/06/11 6.42 5.40 1.41 1.08 1.27 --
mg/L 06/14/12 6.00 4.75 3.45 1.78 1.41 6.62
mg/L 12/03/12 4.57 3.39 1.16 0.28 0.76 3.50
mg/L 06/11/13 5.92 2.65 1.44 0.92 1.17 7.27
mg/L 12/02/13 5.68 1.81 1.37 0.45 2.02 5.86
Verification event mg/L 01/09/14 --1.55 --------
mg/L 06/10/14 5.47 0.60 1.63 0.39 0.42 6.17
mg/L 12/03/14 5.34 1.24 1.32 0.45 0.39 5.02
mg/L 06/08/15 5.06 1.46 2.01 0.50 0.23 5.39
mg/L 12/02/15 4.89 0.65 1.59 0.83 1.34 6.37
Oxidation-Reduction Potential mV 12/13/07 334 338 396 375 85 --
mV 06/19/08 307 306 358 344 72 --
mV 12/02/08 232.0 321.8 401.5 464.2 160.4 --
Verification event mV 01/23/09 ----328.0 ------
mV 06/11/09 263.6 191.1 266.6 184.1 103.9 --
mV 12/10/09 235.4 215.6 236.9 172.5 123.5 --
mV 06/15/10 255.7 190.3 250.5 177.9 92.1 --
mV 12/09/10 278.9 285.7 279.7 238.2 80.8 --
mV 06/15/11 257.3 229.3 271.1 234.7 141.1 202.3
mV 12/06/11 145.3 128.2 153.4 122.1 95.6 --
mV 06/14/12 -265.0#-278.5#-241.5#-312.8#-318.6#-281.7#
mV 12/03/12 127.4 74.3 52.5 8.2 -1.1 37.3
mV 06/11/13 97.8 85.0 99.6 87.3 98.3 92.2
mV 12/02/13 349.7 363.8 452.6 301.7 59.5 281.4
Verification event mV 01/09/14 --330.8 --------
mV 06/10/14 328.6 380.0 577.6 314.4 150.9 311.4
mV 12/03/14 282.6 326.9 318.1 244.7 98.8 201.5
mV 06/08/15 388.5 598.7 616.6 282.5 131.4 316.7
mV 12/02/15 460.7 579.9 568.4 282.8 227.2 483.4
Notes:
MW = groundwater monitoring well
mg/L = milligrams per liter
S.U. = Standard Units
uS/cm = microsiemens per centimeter
oC = degrees Celsius
NTU = Nephelometric Turbidity Units
mV = millivolts
-- = no data available
Blanks = Field, trip, and laboratory blanks
# = Data considered suspect due to instrument error
February 2016 Page 1 of 6 1239-643815.100
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Blanks
SW-1 SW-2 SW-3
Antimony ug/L 05/07/02 --30 --ND --ND
No SW Standard ug/L 06/29/07 --6 ND ND ND NDug/L 12/13/07 --6 ND ND ND NDug/L 06/19/08 --6 ND ND dry ND
ug/L 12/02/08 --6 ND ND ND ND
ug/L 06/11/09 --6 ND ND ND NDug/L 12/10/09 --6 ND ND ND NDug/L 06/15/10 --6 ND ND ND ND
ug/L 12/09/10 --6 ND ND 0.503 J NDug/L 06/15/11 --6 ND ND ND NDug/L 12/06/11 --6 ND ND ND ND
ug/L 06/14/12 --6 ND ND ND ND
ug/L 12/03/12 --6 ND ND ND NDug/L 06/11/13 --6 ND ND ND NDug/L 12/02/13 --6 ND ND ND ND
ug/L 06/10/14 --6 ND ND ND ND
ug/L 12/3/2014 0.22 6 ND ND ND NDug/L 06/08/15 0.22 6 ND ND ND ND
ug/L 12/02/15 0.22 6 ND ND ND ND
Arsenic ug/L 05/07/02 --10 --ND --NDSW Standard = 50 ug/L ug/L 08/07/02 --10 ----ND NDug/L 06/16/03 --10 ND ND ND ND
ug/L 12/16/03 --10 ND ND ND ND
ug/L 06/16/04 --10 ND ND ND NDug/L 12/16/04 --10 ND ND ND NDug/L 06/14/05 --10 ND ND ND ND
ug/L 12/27/05 --10 ND ND ND ND
ug/L 06/21/06 --10 ND ND ND NDug/L 12/13/06 --10 2.8 B 3.0 B 2.0 B 3.5 J
ug/L 06/29/07 --10 3.7 J ND ND ND
ug/L 12/13/07 --10 ND ND ND 2.5 Jug/L 06/19/08 --10 ND ND dry NDug/L 12/02/08 --10 ND ND ND ND
ug/L 06/11/09 --10 ND ND ND 3.5 Jug/L 12/10/09 --10 ND ND 5.15 J NDug/L 06/15/10 --10 ND ND ND ND
ug/L 12/09/10 --10 ND ND ND ND
ug/L 06/15/11 --10 3.09 J ND ND NDug/L 12/06/11 --10 ND ND ND NDug/L 06/14/12 --10 ND ND ND ND
ug/L 12/03/12 --10 ND ND ND ND
ug/L 06/11/13 --10 ND ND ND NDug/L 12/02/13 --10 ND ND ND ND
ug/L 06/10/14 --10 ND ND ND ND
ug/L 12/3/2014 5.40 10 ND ND ND NDug/L 06/08/15 5.40 10 ND ND ND NDug/L 12/02/15 5.40 10 ND ND ND 9.10 J
Barium ug/L 05/07/02 --500 --ND --ND
No SW Standard ug/L 08/07/02 --500 ----ND NDug/L 06/16/03 --500 ND ND ND ND
ug/L 12/16/03 --500 ND ND 230 ND
ug/L 06/16/04 --500 ND ND ND NDug/L 12/16/04 --500 ND ND ND NDug/L 06/14/05 --500 ND ND ND NDug/L 12/27/05 --500 ND ND ND ND
ug/L 06/21/06 --500 ND ND ND NDug/L 12/13/06 --100 98.4 J 37.8 J 265 0.4 Jug/L 06/29/07 --100 28.2 B 28.8 B 232 10.4 J
ug/L 12/13/07 --100 31.3 J 36.5 J 299 0.30 Jug/L 06/19/08 --100 31.8 J 32.0 J dry NDug/L 12/02/08 --100 36.0 J 40.8 J 271 ND
ug/L 06/11/09 --100 41.2 J 48.3 J 264 ND
ug/L 12/10/09 --100 46.0 J 43.9 J 190 NDug/L 06/15/10 --100 34.0 J 32.0 J 245 NDug/L 12/09/10 --100 29.6 J 32.6 J 277 1.72 J
ug/L 06/15/11 --100 27.5 J 33.3 J 259 ND
ug/L 12/06/11 --100 31.6 J 34.5 J 277 NDug/L 06/14/12 --100 35.2 J 37.9 J 263 ND
ug/L 12/03/12 --100 27.1 J 33.2 J 266 ND
ug/L 06/11/13 --100 53.6 J 54.0 J 107 4.59 Jug/L 12/02/13 --100 27.9 J 31.9 J 191 NDug/L 06/10/14 --100 31.3 J 267 191 ND
ug/L 12/3/2014 1.00 100 36.2 J 38.2 J 188 ND
ug/L 06/08/15 1.00 100 31.1 J 37.9 J 233 NDug/L 12/02/15 1.00 100 32.5 J 39.8 J 162 3.35 J
TABLE 6
Summary of Detected Constituents in Surface WaterBrownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting Units Date SWS
Reporting
Limit
Upstream DownstreamMDL
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Blanks
SW-1 SW-2 SW-3
TABLE 6
Summary of Detected Constituents in Surface WaterBrownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting Units Date SWS
Reporting
Limit
Upstream DownstreamMDL
Beryllium ug/L 05/07/02 --2 --ND --ND
SW Standard = 6.5 ug/L ug/L 06/29/07 --1 ND ND ND NDug/L 12/13/07 --1 ND ND ND NDug/L 06/19/08 --1 ND ND dry ND
ug/L 12/02/08 --1 ND ND ND ND
ug/L 06/11/09 --1 0.14 B 0.15 B 0.22 B 0.08 Jug/L 12/10/09 --1 0.114 J 0.154 J 0.592 J NDug/L 06/15/10 --1 ND ND ND ND
ug/L 12/09/10 --1 ND ND ND NDug/L 06/15/11 --1 ND ND 0.216 J NDug/L 12/06/11 --1 ND ND ND ND
ug/L 06/14/12 --1 ND 0.132 J 0.180 J ND
ug/L 12/03/12 --1 ND ND 0.104 J NDug/L 06/11/13 --1 0.133 J ND 0.176 J NDug/L 12/02/13 --1 ND ND 0.135 J ND
ug/L 06/10/14 --1 ND 0.757 J 0.133 J ND
ug/L 12/3/2014 0.10 1 ND ND 0.275 J NDug/L 06/08/15 0.10 1 ND ND 0.344 J ND
ug/L 12/02/15 0.10 1 ND ND 0.169 J ND
Cadmium ug/L 05/07/02 --1 --ND --NDSW Standard = 2 ug/L (N)ug/L 08/07/02 --1 ----1.6 NDug/L 06/16/03 --1 1.0 ND 1.1 ND
ug/L 12/16/03 --1 ND ND ND ND
ug/L 06/16/04 --1 ND ND ND NDug/L 12/16/04 --1 ND ND ND NDug/L 06/14/05 --1 ND ND ND ND
ug/L 12/27/05 --1 ND ND ND ND
ug/L 06/21/06 --1 ND ND ND NDug/L 12/13/06 --1 ND ND ND ND
ug/L 06/29/07 --1 ND ND ND ND
ug/L 12/13/07 --1 ND ND ND NDug/L 06/19/08 --1 ND ND dry NDug/L 12/02/08 --1 ND ND ND ND
ug/L 06/11/09 --1 0.20 J ND 0.28 J NDug/L 12/10/09 --1 ND ND ND NDug/L 06/15/10 --1 ND ND ND ND
ug/L 12/09/10 --1 ND ND ND ND
ug/L 06/15/11 --1 ND ND ND NDug/L 12/06/11 --1 ND ND ND NDug/L 06/14/12 --1 2.15 0.732 J ND ND
ug/L 12/03/12 --1 ND ND ND ND
ug/L 06/11/13 --1 ND ND ND NDug/L 12/02/13 --1 ND ND ND ND
ug/L 06/10/14 --1 ND ND ND ND
ug/L 12/3/2014 0.36 1 ND ND 1.64 NDug/L 06/08/15 0.36 1 ND ND ND NDug/L 12/02/15 0.36 1 ND ND ND ND
Chromium ug/L 05/07/02 --10 --ND --ND
SW Standard = 50 ug/L ug/L 08/07/02 --10 ----ND NDug/L 06/16/03 --10 ND ND ND ND
ug/L 12/16/03 --10 ND ND ND ND
ug/L 06/16/04 --10 ND ND ND NDug/L 12/16/04 --10 ND ND ND NDug/L 06/14/05 --10 ND ND ND NDug/L 12/27/05 --10 ND ND ND ND
ug/L 06/21/06 --10 ND ND ND NDug/L 12/13/06 --10 ND ND ND NDug/L 06/29/07 --10 ND ND ND ND
ug/L 12/13/07 --10 ND ND ND NDug/L 06/19/08 --10 ND ND dry NDug/L 12/02/08 --10 ND ND ND ND
ug/L 06/11/09 --10 1.1 J 1.2 J 0.7 J ND
ug/L 12/10/09 --10 1.70 J ND 3.41 J NDug/L 06/15/10 --10 ND 1.00 J ND NDug/L 12/09/10 --10 ND ND ND ND
ug/L 06/15/11 --10 ND ND ND ND
ug/L 12/06/11 --10 ND ND ND NDug/L 06/14/12 --10 ND 1.18 J ND ND
ug/L 12/03/12 --10 ND ND ND ND
ug/L 06/11/13 --10 2.37 J 2.75 J 4.68 J NDug/L 12/02/13 --10 ND ND ND NDug/L 06/10/14 --10 ND ND ND ND
ug/L 12/3/2014 1.40 10 ND ND ND ND
ug/L 06/08/15 1.40 10 ND ND ND NDug/L 12/02/15 1.40 10 ND ND ND ND
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Blanks
SW-1 SW-2 SW-3
TABLE 6
Summary of Detected Constituents in Surface WaterBrownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting Units Date SWS
Reporting
Limit
Upstream DownstreamMDL
Cobalt ug/L 05/07/02 --10 --ND --ND
No SW Standard ug/L 06/29/07 --10 ND ND ND NDug/L 12/13/07 --10 ND ND ND NDug/L 06/19/08 --10 ND ND dry ND
ug/L 12/02/08 --10 ND ND ND ND
ug/L 06/11/09 --10 0.7 J ND ND NDug/L 12/10/09 --10 ND ND 3.20 J NDug/L 06/15/10 --10 ND ND ND ND
ug/L 12/09/10 --10 ND ND ND NDug/L 06/15/11 --10 ND ND ND NDug/L 12/06/11 --10 ND ND ND ND
ug/L 06/14/12 --10 ND ND ND ND
ug/L 12/03/12 --10 ND ND ND NDug/L 06/11/13 --10 1.63 J 1.16 J 1.58 J NDug/L 12/02/13 --10 ND ND ND ND
ug/L 06/10/14 --10 ND ND ND ND
ug/L 12/3/2014 1.10 10 ND ND ND NDug/L 06/08/15 1.10 10 ND ND 1.87 J ND
ug/L 12/02/15 1.10 10 ND ND ND ND
Copper ug/L 05/07/02 --0.05 --ND --NDSW Standard = 7 ug/L (A)ug/L 08/07/02 --0.05 ----ND ND ug/L 06/29/07 --10 ND ND ND ND
ug/L 12/13/07 --10 ND ND ND ND
ug/L 06/19/08 --10 1.60 B ND dry 1.30 Jug/L 12/02/08 --10 1.70 J ND ND ND
ug/L 06/11/09 --10 2.02 J 1.03 J ND ND
ug/L 12/10/09 --10 3.13 J 2.67 J 4.41 J NDug/L 06/15/10 --10 ND ND ND NDug/L 12/09/10 --10 ND ND ND ND
ug/L 06/15/11 --10 ND ND ND ND
ug/L 12/06/11 --10 ND ND ND NDug/L 06/14/12 --10 6.38 J 3.62 J ND NDug/L 12/03/12 --10 ND ND ND ND
ug/L 06/11/13 --10 3.63 J 3.34 J 3.90 J NDug/L 12/02/13 --10 ND ND ND NDug/L 06/10/14 --10 ND ND ND ND
ug/L 12/3/2014 1.60 10 ND ND ND ND
ug/L 06/08/15 1.60 10 ND ND 2.06 B 3.34 Jug/L 12/02/15 1.60 10 ND ND ND 4.56 JLead ug/L 05/07/02 --10 --ND --ND
SW Standard = 25 ug/L (N)ug/L 08/07/02 --10 ----ND ND
ug/L 06/16/03 --10 ND ND ND NDug/L 12/16/03 --10 ND ND ND ND
ug/L 06/16/04 --10 ND ND ND ND
ug/L 12/16/04 --10 ND ND ND ND
ug/L 06/14/05 --10 ND ND ND NDug/L 12/27/05 --10 ND ND ND ND
ug/L 06/21/06 --10 ND ND ND NDug/L 12/13/06 --10 2.1 J ND 3.8 J NDug/L 06/29/07 --10 ND ND ND ND
ug/L 12/13/07 --10 ND ND ND ND
ug/L 06/19/08 --10 ND ND dry NDug/L 12/02/08 --10 ND ND ND NDug/L 06/11/09 --10 2.5 J 3.5 J 2.2 J ND
ug/L 12/10/09 --10 3.51 J ND 10.2 ND
ug/L 06/15/10 --10 ND ND ND NDug/L 12/09/10 --10 ND ND ND NDug/L 06/15/11 --10 ND 2.15 J 1.96 J ND
ug/L 12/06/11 --10 ND ND ND NDug/L 06/14/12 --10 ND ND ND NDug/L 12/03/12 --10 ND ND ND ND
ug/L 06/11/13 --10 2.75 J 2.30 J 5.81 J ND
ug/L 12/02/13 --10 ND ND ND NDug/L 06/10/14 --10 ND ND ND NDug/L 12/3/2014 2.10 10 ND ND ND ND
ug/L 06/08/15 2.10 10 ND ND 5.48 J ND
ug/L 12/02/15 2.10 10 ND ND ND ND
February 2016 Page 4 of 6 1239-643815.100
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Blanks
SW-1 SW-2 SW-3
TABLE 6
Summary of Detected Constituents in Surface WaterBrownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting Units Date SWS
Reporting
Limit
Upstream DownstreamMDL
Nickel ug/L 05/07/02 --50 --ND --ND
SW Standard = 88 ug/L (N)ug/L 08/07/02 --50 ----ND NDug/L 06/29/07 --50 ND ND ND NDug/L 12/13/07 --50 ND ND ND ND
ug/L 06/19/08 --50 ND ND dry ND
ug/L 12/02/08 --50 ND ND ND NDug/L 06/11/09 --50 0.9 J 1.0 J 1.8 J NDug/L 12/10/09 --50 ND ND 2.94 J ND
ug/L 06/15/10 --50 ND ND ND NDug/L 12/09/10 --50 ND ND ND NDug/L 06/15/11 --50 ND ND ND ND
ug/L 12/06/11 --50 ND ND ND ND
ug/L 06/14/12 --50 ND ND ND NDug/L 12/03/12 --50 ND ND ND NDug/L 06/11/13 --50 2.08 J ND 3.25 J ND
ug/L 12/02/13 --50 ND ND ND ND
ug/L 06/10/14 --50 ND ND ND NDug/L 12/3/2014 1.80 50 ND ND 3.00 J ND
ug/L 06/08/15 1.80 50 ND ND ND ND
ug/L 12/02/15 1.80 50 ND ND ND NDSeleniumug/L 05/07/02 --20 --ND --NDSW Standard = 5 ug/L ug/L 08/07/02 --20 ----ND ND
ug/L 06/16/03 --20 ND ND ND ND
ug/L 12/16/03 --20 ND ND ND NDug/L 06/16/04 --20 ND ND ND NDug/L 12/16/04 --20 ND ND ND ND
ug/L 06/14/05 --20 ND ND ND ND
ug/L 12/27/05 --20 ND ND ND NDug/L 06/21/06 --20 ND ND ND ND
ug/L 12/13/06 --10 2.8 B 4.1 B 3.1 B 4.5 J
ug/L 06/29/07 --10 ND ND ND NDug/L 12/13/07 --10 ND ND ND NDug/L 06/19/08 --10 ND ND dry ND
ug/L 12/02/08 --10 ND ND ND NDug/L 06/11/09 --10 ND 4.8 J ND NDug/L 12/10/09 --10 ND ND ND ND
ug/L 06/15/10 --10 ND ND ND ND
ug/L 12/09/10 --10 ND ND 0.830 J NDug/L 06/15/11 --10 ND ND 1.15 J NDug/L 12/06/11 --10 ND ND ND ND
ug/L 06/14/12 --10 ND ND ND ND
ug/L 12/03/12 --10 ND ND ND NDug/L 06/11/13 --10 ND ND ND ND
ug/L 12/02/13 --10 ND ND ND ND
ug/L 06/10/14 --10 ND ND ND NDug/L 12/3/2014 5.00 10 ND ND ND NDug/L 06/08/15 5.00 10 ND ND ND ND
ug/L 12/02/15 5.00 10 ND ND ND ND
Thallium ug/L 05/07/02 --10 --ND --NDNo SW Standard ug/L 06/29/07 --5.5 ND ND 0.042 J ND
ug/L 12/13/07 --5.5 ND ND 0.041 J ND
ug/L 06/19/08 --5.5 ND ND dry NDug/L 12/02/08 --5.5 ND ND ND NDug/L 06/11/09 --5.5 ND ND ND ND
ug/L 12/10/09 --5.5 ND ND 0.173 J ND
ug/L 06/15/10 --5.5 ND ND ND NDug/L 12/09/10 --5.5 ND ND ND NDug/L 06/15/11 --5.5 ND ND ND ND
ug/L 12/06/11 --5.5 ND ND ND NDug/L 06/14/12 --5.5 ND ND ND 0.195 Jug/L 12/03/12 --5.5 ND ND ND ND
ug/L 06/11/13 --5.5 ND ND 0.113 J ND
ug/L 12/02/13 --5.5 ND ND ND NDug/L 06/10/14 --5.5 ND ND ND NDug/L 12/3/2014 0.11 5.5 ND ND ND ND
ug/L 06/08/15 0.11 5.5 ND ND ND ND
ug/L 12/02/15 0.11 5.5 ND ND ND ND
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Blanks
SW-1 SW-2 SW-3
TABLE 6
Summary of Detected Constituents in Surface WaterBrownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting Units Date SWS
Reporting
Limit
Upstream DownstreamMDL
Vanadium ug/L 05/07/02 --40 --ND --ND
No SW Standard ug/L 06/29/07 --25 1.9 J ND ND NDug/L 12/13/07 --25 ND ND ND NDug/L 06/19/08 --25 ND ND dry ND
ug/L 12/02/08 --25 ND ND ND ND
ug/L 06/11/09 --25 1.8 J 1.3 J 0.9 J NDug/L 12/10/09 --25 3.52 J 2.22 J 8.66 J NDug/L 06/15/10 --25 ND ND ND ND
ug/L 12/09/10 --25 ND ND ND NDug/L 06/15/11 --25 1.43 J ND 1.75 J NDug/L 12/06/11 --25 ND ND ND ND
ug/L 06/14/12 --25 2.11 J 2.19 J ND ND
ug/L 12/03/12 --25 ND ND ND NDug/L 06/11/13 --25 6.94 J 6.42 J 6.73 J NDug/L 12/02/13 --25 ND ND ND ND
ug/L 06/10/14 --25 ND ND ND ND
ug/L 12/3/2014 1.40 25 ND ND ND NDug/L 06/08/15 1.40 25 ND ND 2.34 J ND
ug/L 12/02/15 1.40 25 ND ND ND ND
Zinc ug/L 05/07/02 --50 --ND --NDSW Standard = 50 ug/L (A)ug/L 08/07/02 --50 ----ND NDug/L 06/29/07 --10 ND ND ND ND
ug/L 12/13/07 --10 1.0 B 1.0 B 2.2 B 2.6 J
ug/L 06/19/08 --10 1.1 B 1.4 B dry 1.0 Jug/L 12/02/08 --10 7.1 J ND ND ND
ug/L 06/11/09 --10 11.0 B 38.8 B 7.8 B 8.4 J
ug/L 12/10/09 --10 7.72 J 6.93 J 26.3 NDug/L 06/15/10 --10 4.85 J ND 6.62 J NDug/L 12/09/10 --10 ND ND ND ND
ug/L 06/15/11 --10 ND ND 7.08 J ND
ug/L 12/06/11 --10 ND 34.6 4.87 J NDug/L 06/14/12 --10 16.0 7.39 J 9.68 J NDug/L 12/03/12 --10 ND ND 3.80 J ND
ug/L 06/11/13 --10 12.1 12.2 12.0 NDug/L 12/02/13 --10 ND ND 4.36 J NDug/L 06/10/14 --10 ND 8.29 J ND ND
ug/L 12/3/2014 3.80 10 4.07 J ND 7.52 J ND
ug/L 06/08/15 3.80 10 4.08 J ND 12.6 NDug/L 12/02/15 3.80 10 3.93 J ND 4.04 J NDAcetoneug/L 05/07/02 --100 --ND --ND
SW Standard = 2 ug/L*ug/L 06/16/03 --100 ND ND ND ND
ug/L 12/16/03 --100 ND ND ND NDug/L 06/16/04 --100 ND ND ND NDug/L 12/16/04 --100 ND ND ND ND
ug/L 06/14/05 --100 ND ND ND ND
ug/L 12/27/05 --100 ND ND ND ND
ug/L 06/21/06 --100 ND ND ND ND
ug/L 12/13/06 --100 1.6 J ND ND NDug/L 06/29/07 --100 ND ND ND 1.5 Jug/L 12/13/07 --100 ND ND ND ND
ug/L 06/19/08 --100 ND ND dry ND
ug/L 12/02/08 --100 ND ND ND NDug/L 06/11/09 --100 ND ND ND NDug/L 12/10/09 --100 ND ND ND ND
ug/L 06/15/10 --100 ND ND ND ND
ug/L 12/09/10 --100 ND ND ND NDug/L 06/15/11 --100 ND ND ND NDug/L 12/06/11 --100 ND ND ND ND
ug/L 06/14/12 --100 ND ND ND NDug/L 12/03/12 --100 ND ND ND NDug/L 06/11/13 --100 ND ND ND ND
ug/L 12/02/13 --100 ND ND ND ND
ug/L 06/10/14 --100 ND ND ND 1.5 Jug/L 12/3/2014 1.20 100 ND ND ND NDug/L 06/08/15 1.20 100 ND ND ND ND
ug/L 12/02/15 1.20 100 ND ND ND ND
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Blanks
SW-1 SW-2 SW-3
TABLE 6
Summary of Detected Constituents in Surface WaterBrownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting Units Date SWS
Reporting
Limit
Upstream DownstreamMDL
Toluene ug/L 05/07/02 --5 --ND --ND
SW Standard = 11 ug/L ug/L 06/16/03 --5 ND ND ND ND
ug/L 12/16/03 --5 ND ND ND NDug/L 06/16/04 --5 ND ND ND NDug/L 12/16/04 --5 ND ND ND ND
ug/L 06/14/05 --5 ND ND ND ND
ug/L 12/27/05 --5 ND ND ND ND
ug/L 06/21/06 --5 ND ND ND ND
ug/L 12/13/06 --5 ND ND ND ND
ug/L 06/29/07 --1 ND ND ND 0.63 Jug/L 12/13/07 --1 ND ND ND NDug/L 06/19/08 --1 ND ND dry ND
ug/L 12/02/08 --1 ND ND ND ND
ug/L 06/11/09 --1 ND ND ND NDug/L 12/10/09 --1 ND ND ND NDug/L 06/15/10 --1 0.41 J ND ND ND
ug/L 12/09/10 --1 ND ND ND NDug/L 06/15/11 --1 ND ND ND NDug/L 12/06/11 --1 ND ND ND ND
ug/L 06/14/12 --1 ND ND ND ND
ug/L 12/03/12 --1 ND ND ND NDug/L 06/11/13 --1 ND ND ND NDug/L 12/02/13 --1 ND ND ND ND
ug/L 06/10/14 --1 ND ND ND ND
ug/L 12/3/2014 0.14 1 ND ND ND NDug/L 06/08/15 0.14 1 ND ND ND ND
ug/L 12/02/15 0.14 1 ND ND ND ND
Notes:SW = surface water monitoring point
ug/L = micrograms per liter
mg/L = milligrams per literJ = estimated Value
B = blank-qualified data
ND = not detected at or above the stated reporting limit-- = no data available dry = no flowing water at time of sampling and no sample was collected
MDL = Method Detection Limit
Blanks = Field, trip, and laboratory blanksSW Standard = Surface Water Standard based on Class C Freshwater Aquatic Life Classification per 15 NCAC 2B.(A) = Action Level Standard per 15A NCAC 2B.0211
(N) = Narrative Standard per 15A NCAC 2B.0211* = Standard is a National Criteria per EPA# = Data considered suspect due to instrument error
Shaded = Values are above their current respective NC Surface Water Standards under 15A NCAC 2B.0211 for
Freshwater Aquatic Life classification.
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SW-1 SW-2 SW-3
pH S.U.08/07/02 ----5.76
S.U.12/13/06 6.10 6.09 5.90
S.U.06/29/07 6.62 5.86 6.31
S.U.12/13/07 5.93 5.96 5.46
S.U.06/19/08 6.66 6.69 dry
S.U.12/02/08 6.60 6.56 6.82S.U.06/11/09 6.56 6.46 6.25
S.U.12/10/09 6.38 5.75 6.00S.U.06/15/10 6.32 6.51 6.62
S.U.12/09/10 5.78 5.78 5.65
S.U.06/15/11 8.28 7.94 7.87
S.U.12/06/11 6.53 6.28 6.01
S.U.06/14/12 6.47 6.73 6.45
S.U.12/03/12 4.64 5.59 8.48
S.U.06/11/13 5.87 5.76 6.27S.U.12/02/13 6.47 6.85 6.89
S.U.06/10/14 6.38 6.17 6.03S.U.12/03/14 5.66 5.14 5.25
S.U.06/08/15 4.76 4.79 5.05
S.U.12/02/15 5.50 5.67 5.84
Specific Conductance uS/cm 12/13/06 183 113 476
uS/cm 06/29/07 71 81 454uS/cm 12/13/07 119 145 626
uS/cm 06/19/08 97 119 dryuS/cm 12/02/08 79 134 442
uS/cm 06/11/09 99 353 440
uS/cm 12/10/09 63 183 274
uS/cm 06/15/10 87 126 438
uS/cm 12/09/10 82 98 409
uS/cm 06/15/11 89 131 460
uS/cm 12/06/11 83 91 451uS/cm 06/14/12 77 147 405
uS/cm 12/03/12 59 78 335uS/cm 06/11/13 63 133 171
uS/cm 12/02/13 108 108 366
uS/cm 06/10/14 111 438 376
uS/cm 12/03/14 88 101 314
uS/cm 06/08/15 81 103 318
uS/cm 12/02/15 79 123 274
TABLE 7
Summary of Field Parameters from Surface Water Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting
Units Date Upstream Downstream
February 2016 Page 2 of 3 1239-643815.100
G:\Projects\Waste Industries\Wake Recovery\Groundwater\WQMR\2015 Dec\Tables\Wake Recovery Tables December 2015.xlsx
SW-1 SW-2 SW-3
TABLE 7
Summary of Field Parameters from Surface Water Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting
Units Date Upstream Downstream
Temperature oC 12/13/06 12.8 10.6 11.2oC06/29/07 27.92 23.41 22.96oC12/13/07 15.22 14.57 15.72oC06/19/08 22.71 20.16 dryoC12/02/08 8.91 8.98 9.62oC06/11/09 24.98 23.07 20.52oC12/10/09 10.91 10.79 10.98oC06/15/10 26.00 22.70 22.02oC12/09/10 4.79 4.64 5.78oC06/15/11 23.25 19.85 20.63oC12/06/11 14.62 13.67 14.44oC06/14/12 21.19 19.97 18.06oC12/03/12 9.48 10.12 11.33oC06/11/13 22.07 24.19 23.22oC12/02/13 12.1 10.2 11.9oC06/10/14 24.2 19.4 18.9oC12/03/14 11.0 11.0 12.0oC06/08/15 21.2 20.0 20.2oC12/02/15 13.9 13.7 14.5
Turbidity (Field)NTU 12/13/06 4.2 11.4 16.3
NTU 06/29/07 8.7 0.0 80.5
NTU 12/13/07 0.0 0.0 39.5NTU06/19/08 35.2 20.1 dry
NTU 12/02/08 16.3 12.5 6.34NTU06/11/09 56.2 18.4 11.8
NTU 12/10/09 95.2 54.2 51.3
NTU 06/15/10 18.3 12.7 3.59
NTU 12/09/10 18.1 16.7 15.1
NTU 06/15/11 13.9 8.41 15.2
NTU 12/06/11 45.5 26.7 1.39
NTU 06/14/12 60.8 57.0 19.6NTU12/03/12 16.5 7.63 2.32
NTU 06/11/13 159 116 88.6NTU12/02/13 18.9 4.89 3.34
NTU 06/10/14 37.2 9.51 13.9
NTU 12/03/14 8.93 6.87 4.88
NTU 06/08/15 5.86 5.31 14.8
NTU 12/02/15 7.64 5.43 2.51
Dissolved Oxygen mg/L 12/13/07 8.82 14.57 8.26
mg/L 06/19/08 7.66 8.54 drymg/L 12/02/08 8.23 10.83 9.33
mg/L 06/11/09 4.58 8.47 9.36mg/L 12/10/09 9.76 11.26 10.82
mg/L 06/15/10 4.51 8.58 8.93
mg/L 12/09/10 13.10 14.56 10.93
mg/L 06/15/11 6.25 8.42 7.64
mg/L 12/06/11 9.71 11.29 9.69mg/L 06/14/12 7.25 8.98 9.14
mg/L 12/03/12 7.67 10.95 11.19mg/L 06/11/13 8.24 8.73 8.29
mg/L 12/02/13 11.16 11.59 9.78
mg/L 06/10/14 7.24 8.77 9.36
mg/L 12/03/14 10.30 10.93 9.98
mg/L 06/08/15 9.08 9.34 9.36
mg/L 12/02/15 8.80 9.52 8.51
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G:\Projects\Waste Industries\Wake Recovery\Groundwater\WQMR\2015 Dec\Tables\Wake Recovery Tables December 2015.xlsx
SW-1 SW-2 SW-3
TABLE 7
Summary of Field Parameters from Surface Water Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Parameter Reporting
Units Date Upstream Downstream
Oxidation-Reduction Potential mV 12/13/07 111 305 331
mV 06/19/08 26 64 dry
mV 12/02/08 171.7 324.3 269.1
mV 06/11/09 62.5 207.3 192.6
mV 12/10/09 168.4 181.3 190.3
mV 06/15/10 130.2 106.3 120.3mV12/09/10 206.9 174.4 292.6
mV 06/15/11 179.2 119.6 98.0mV12/06/11 90.2 92.0 111.3
mV 06/14/12 -298.3#-295.1#-269.3#
mV 12/03/12 77.7 77.6 83.4
mV 06/11/13 73.4 57.9 59.5
mV 12/02/13 135.8 177.6 201.4
mV 06/10/14 112.6 317.1 351.3
mV 12/03/14 203.4 258.0 237.4mV06/08/15 211.6 224.5 381.1
mV 12/02/15 387.2 394.4 421.0
Notes:
SW = surface water monitoring point
mg/L = milligrams per liter
S.U. = Standard Units
uS/cm = microsiemens per centimeter
⁰C = Degrees Celsius
NTU = Nephelometric Turbidity Units
mV = millivolts
-- = no data available
dry = no flowing water at time of sampling and no sample was collected
Blanks = Field, trip, and laboratory blanks
* = Standard is a National Criteria per EPA
# = Data considered suspect due to instrument error

FIGURE

Reviewed By:
Prepared By:
Project# 1239643815
DATE: 01/18/16 Figure
No.
1
Title: TREND GRAPHS OF DETECTED VOCS IN
SAMPLES FROM MW-3
Brownfield Road C&D Landfill
Permit No. 92-31

DRAWING

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WAKE RECLAMATION, LLC
BROWNFIELD ROAD C&D LANDFILL
WAKE COUNTY, NORTH CAROLINA
WASTE INDUSTRIES USA, INC.
GROUNDWATER CONTOUR MAP
DECEMBER 2, 2015
EXISTING 10-FOOT GROUND SURFACE CONTOUR
EXISTING 2-FOOT GROUND SURFACE CONTOUR
PROPERTY LINE
APPROXIMATE LIMITS OF WASTE
EXISTING ROAD
LANDFILL GAS MONITORING POINT
GROUNDWATER MONITORING POINT AND GROUNDWATER ELEVATION
SURFACE WATER MONITORING POINT
LANDFILL GAS VENT
GROUNDWATER SURFACE CONTOURS
APPROXIMATE GROUNDWATER FLOW SEGMENT USED TO CALCULATE
GRADIENT
TREELINE
TOPOGRAPHIC DIVIDING LINE (SEE NOTE 10)
250
1) TOPOGRAPHIC CONTOUR INTERVAL = 2 FEET
2) GROUNDWATER SURFACE CONTOUR INTERVAL = 10 FEET
3) GROUNDWATER ELEVATIONS MEASURED ON DECEMBER 2, 2015.
4) GROUNDWATER CONTOURS BASED ON LINEAR INTERPOLATION BETWEEN AND
EXTRAPOLATION FROM KNOWN DATA, TOPOGRAPHIC CONTOURS, AND KNOWN FIELD
CONDITIONS. THEREFORE, GROUNDWATER CONTOURS MAY NOT REFLECT ACTUAL CONDITIONS.
5) GROUNDWATER CONTOUR LINES SHOW THE WATER TABLE SHAPE AND ELEVATION. THESE
CONTOURS ARE INFERRED LINES FOLLOWING THE GROUNDWATER SURFACE AT A CONSTANT
ELEVATION ABOVE SEA LEVEL. THE GROUNDWATER FLOW DIRECTION IS GENERALLY
PERPENDICULAR TO THE GROUNDWATER SURFACE CONTOURS, SIMILAR TO THE RELATIONSHIP
BETWEEN SURFACE WATER FLOW AND TOPOGRAPHIC CONTOURS.
6) BASE MAP PROVIDED BY RICHARDSON SMITH GARDNER & ASSOCIATES. TOPOGRAPHY
PROVIDED FROM AERIAL SURVEYS PREPARED BY SURVEY SOLUTIONS P.C., PHOTOGRAPHY
DATES JANUARY 7, 2015 AND FEBRUARY 05, 2014.
7) LANDFILL GAS MONITORING POINTS AND SURFACE WATER MONITORING POINT LOCATIONS
ARE APPROXIMATE.
8) ELEVATIONS SHOWN IN THIS DRAWING ARE IN FEET ABOVE SEA LEVEL DATUM ("SEA LEVEL
DATUM" REFERS TO THE NATIONAL GEODETIC VERTICAL DATUM (NGVD) OF 1929); AND
COORDINATES ARE EXPRESSED IN TERMS OF THE STATE PLANE COORDINATE SYSTEM.
9) GROUNDWATER ELEVATIONS FOR MW-6AD AND MW-7AD WERE NOT USED IN THE
CONSTRUCTION OF THE GROUNDWATER CONTOURS SINCE THESE WELLS ARE SCREENED IN
THE BEDROCK AQUIFER.
10) TOPOGRAPHIC DIVIDING LINE SEPARATES BASE MAP TOPOGRAPHIC CONTOURS FROM
UPDATED CONTOURS.
LFG-5
0
FEET
200 400
SCALE
LEGEND
NOTES
PG C-399
GOLDER ASSOCIATES NC, INC.

APPENDIX A
GROUNDWATER AND SURFACE WATER SAMPLING LOGS

APPENDIX B JUNE 2015 GROUNDWATER AND SURFACE WATER CERTIFICATE-OF-ANALYSIS,
CHAIN-OF-CUSTODY FORMS, AND LABORATORY DATA REVIEWS

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Page 1 of 1
GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL
LABORATORY DATA REVIEW
Page 1 of 4
Project Name: Waste Industries – Wake Recovery C&D LF
Project Reference Number: 1239-643815.100
Sampling Event Date: December 2, 2015
Review Date: January 18, 2016 Initials: TM
Report #: C514737
Person(s) performing the review are to initial each item on this form as acknowledgement of data
acceptance, or as acknowledgement of a review issue. In the case of the latter, a brief explanation should follow the applicable item.

Golder Associates Inc. has reviewed the laboratory certificates of analysis, chain-of-custody form, and laboratory provided sample group quality assurance and quality control data for the above referenced
sample group to identify potential bias or inaccuracy, in general accordance with the following United States Environmental Protection Agency documents:

• Region III Modifications to Functional Guidelines for Organic Data Review Multi-Media, Multi-
Concentration, September 1994;
• Region III Modifications to the Laboratory Data Validation Functional Guidelines for Evaluating Inorganic Analyses, April 1993; and
• Laboratory Data Validation Functional Guidelines for Evaluating Inorganic Analyses, July 1998.
COMPLIANCE ANALYTE LIST(S) (check all that apply)
NC Closed Facility List (.500 Rules)
X NC C & D List (New Rules)
NC Appendix I
NC Appendix I + Detects
NC Appendix II
NC Subtitle D Leachate List
Other:
1.0 CHAIN OF CUSTODY (COC) REVIEW
TM COC was properly signed by all parties.

TM Correct project name and number are on the form.

TM Sample receipt condition at laboratory was acceptable.
TM Each sample and blank submitted for analysis appears in the report.

GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL
LABORATORY DATA REVIEW
Page 2 of 4
2.0 SAMPLE HOLDING TIMES

TM Holding times for extraction and/or analysis were met for each analytical method (see below for reference).

Notes:
Review Criteria
Method Analytes Holding Time
SW-846 Method 8260 and 8011 VOCs 14 days
SW-846 Methods 8270, 8080,
8081, 8082, and 8151
SVOCs, PCBs,
pesticides and herbicides
7 days for extraction, 40
days from extraction for analysis
SW-846 Methods 6000 and
7000 Series
Metals except mercury 6 months (no temperature
requirements)
SW-846 Method 7470 Mercury 28 days
SW-846 Method 376.1 Sulfide 7 days
SW-846 Method 9010 Cyanide 14 days
EPA Method 300 Nitrate/Sulfate 48 hours/28 days
EPA Method 405.1 BOD 48 hours
EPA Method 410.4 COD 28 days
EPA Method 365.4 Phosphorous 28 days

3.0 LABORATORY QUALITY CONTROL REVIEW
TM Laboratory analyzed at least one internal blank for each method, where
applicable.

TM Laboratory blank is interference-free.
TM Surrogate recoveries are provided for each analytical method, where applicable.

TM Surrogate recoveries for each method are within the acceptable limits (i.e., at
least 50% of the surrogates were within range). TM MS/MSD/LCS data results are provided for each analytical method.

TM MS/MSD/LCS recoveries for each method are within the acceptable limits (i.e., at
least 1 of the 3 were within range).

 The spike recoveries of Alkalinity, Chloride, and Sulfate were outside of control
limits for the MS and/or MSD samples. The QC batches were approved based on acceptable LCS recovery of these analytes.
 The spike recovery of chlorobenzene was outside of control limits for the 8260B
MS sample. The QC batch was approved based on acceptable LCS recovery of this analyte.

GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL
LABORATORY DATA REVIEW
Page 3 of 4
4.0 ANALYTE LISTS/METHODS

TM The proper number of constituents are present for each analyte list as identified above (including detects where applicable).

TM Proper EPA SW-846 analytical methods were used for analysis.

5.0 DATA REPORTING

TM All analytical reporting associated with the event was performed by the contracted lab.
TM Trip, field and/or equipment, and laboratory blank results have all been reported.
All detects for blanks are listed below by constituent. All laboratory method
blanks, if any, have been ‘flagged’ with a ‘B’ where detected in other samples as appropriate and a laboratory narrative was provided. If the sample was flagged by the laboratory and is not within 5X of the concentration in the blank (or 10X for
commonly detected laboratory contaminants-acetone, methylene chloride and
phthalates), list below with explanation if flags should be removed. If flags need
to be added for samples, also list below.
 Field Blank Detecs
• Arsenic @ 9.10 (J)
• Barium @ 3.35 (J)
• Copper @ 4.56 (J)
• Manganese @ 1.25 (J)
TM It is clear from the laboratory report that samples have or have not been diluted
during analysis, and if the samples have been diluted, the result is reported as a
multiple of the dilution (e.g., a sample diluted 10x resulting in an analytical detection of 1.0 should be reported as 10). Those that have been diluted are
listed below with the dilution factor.

TM The report provides the reporting limit for each constituent.
TM The results were reported at or below their proper reporting limits (i.e., MDLs with
SWSLs reported). Those that are not reported correctly are listed below (by
constituent) with the proper reporting limit listed beside them. State if the
reporting limit error is due to dilutions.

GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL
LABORATORY DATA REVIEW
Page 4 of 4

TM No organic constituents were reported above their respective SWSLs, and no
inorganic or organic constituents were reported above their respective NC 2L
Drinking Water Standards/GWPS in wells, or field/equipment/trip blanks, or
above applicable surface water standards in surface water points.

 Beryllium (GWPS = 4 ug/L)
o MW-2 @ 4.38 ug/L
 Cobalt (GWPS = 1 ug/L)
o MW-1 @ 5.65 ug/L (J) o MW-3 @ 2.24 ug/L (J) o MW-4 @ 3.26 ug/L (J) o MW-5 @ 1.24 ug/L (J)
 Vanadium (GWPS = 0.3 ug/L)
o MW-5 @ 5.31 ug/L (J) o MW-6As @ 1.89 (J)

 Iron (NC 2L = 300 ug/L) o MW-4 @ 1020 ug/L o MW-5 @ 20300 ug/L
o MW-6As @ 928 ug/L
 Manganese (NC 2L = 50 ug/L)
o MW-1 @ 55.3 ug/L o MW-2 @ 361 ug/L o MW-3 @ 79.6 ug/L
o MW-4 @ 3100 ug/L o MW-5 @ 152 ug/L
 Mercury (NC 2L = 1) o MW-3 @ 1.18 ug/L

TM No inorganic and organic constituents were detected in a well or surface water point at concentrations outside of their historical range (more than 5X previous
concentrations or first-time detections).

TM Other report issues/Communications with laboratory/etc.:

APPENDIX C
STATISTICAL EVALUATION WORKSHEETS & SUMMARY TABLES

February 2016 1 of 1 1239-643815.100
G:\Projects\Waste Industries\Wake Recovery\Groundwater\WQMR\2015 Dec\Stats\Wake Stats Summary December 2015.xls
MW-2 MW-3 MW-4 MW-5 MW-6As
Interwell Nonparametric
Prediction Limit 1.04
MW-2 Intrawell Upper Tolerance
Limit 5.20
Interwell Nonparametric Prediction Limit 0.262
MW-5 Intrawell
Upper Tolerance
Limit 2.37
Notes:
1. Shaded values represent apparent statistically significant increases (SSIs) over background concentrations.
2. Statistical worksheets are provided as Appendix C.
3. ug/L = micrograms per liter
4. ND = Not Detected
5. J = estimated concentration below the Solid Waste Section Limit
4.38 1.75
Reporting Units
Prediction
Interval
ND 1.18
.666 J 1.09
ND ND NDMercuryug/L
Summary of Statistical Analysis
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Downgradient Monitoring Wells and Concentrations
1.69Berylliumug/L
Detected Monitoring
Constituent/Analytes Statistical Evaluation Method
December 2015

APPENDIX D
GROUNDWATER MONITORING WELL MAINTENANCE RECORDS

GROUNDWATER MONITORING WELL MAINTENANCE RECORD
FACILITY:Wake Recovery C&D Landfill PERMIT NO.:92-31
LOCATION:MW-1 DATE:
INSPECTOR:D. Childress/T. Martinez COMPANY:Golder Associates NC, Inc.
1. Is surface water diverted away from the well head?YES
2.Is the concrete pad still intact and free of cracks?YES
3.Has surface water runoff undercut the concrete pad?NO
4.Is the outer casing still secure and locked?YES
5. Is the well identification tag present and is it legible?YES
5a.Does the well identification tag provide the following information:
•The well identification number?YES
•Drilling contractor and registration number?YES
•Total well depth?YES
•Depth to screen?YES
•
6. Is the grout between the inner and outer well casings all the way to the ground surface?YES
7.Is the inner casing firmly grouted in place?YES
8.Are the inner and outer casings upright and unobstructed?YES
9.
10.Is the monitoring well accessible by a four-wheel drive vehicle?YES
11.Have brush and weeds been trimmed so that the well is easy to locate and access?YES
12.Does the inner well casing have a vented cap?YES
13.Is the monitoring well visible and adequately protected from moving equipment?YES
A warning that the well is not for water supply and that the ground water may
contain hazardous materials? YES
Is water collecting in the outer casing? Does a weep hole need to be bored in the outer casing to provide
drainage? NO
December 2, 2015
GROUNDWATER MONITORING WELL MAINTENANCE RECORD
FACILITY:Wake Recovery C&D Landfill PERMIT NO.:92-31
LOCATION:MW-2 DATE:
INSPECTOR:D. Childress/T. Martinez COMPANY:Golder Associates NC, Inc.
1. Is surface water diverted away from the well head?YES
2.Is the concrete pad still intact and free of cracks?YES
3.Has surface water runoff undercut the concrete pad?NO
4.Is the outer casing still secure and locked?YES (REPLACED LOCK)
5. Is the well identification tag present and is it legible?YES
5a.Does the well identification tag provide the following information:
•The well identification number?YES
•Drilling contractor and registration number?YES
•Total well depth?YES
•Depth to screen?YES
•
6. Is the grout between the inner and outer well casings all the way to the ground surface?YES
7.Is the inner casing firmly grouted in place?YES
8.Are the inner and outer casings upright and unobstructed?YES
9.
10.Is the monitoring well accessible by a four-wheel drive vehicle?YES
11.Have brush and weeds been trimmed so that the well is easy to locate and access?YES
12.Does the inner well casing have a vented cap?YES
13.Is the monitoring well visible and adequately protected from moving equipment?
NO (NEEDS BOLLARDS AND STAKES IN PLACE)
A warning that the well is not for water supply and that the ground water may
contain hazardous materials? YES
Is water collecting in the outer casing? Does a weep hole need to be bored in the outer casing to provide
drainage? NO
December 2, 2015
GROUNDWATER MONITORING WELL MAINTENANCE RECORD
FACILITY:Wake Recovery C&D Landfill PERMIT NO.:92-31
LOCATION:MW-3 DATE:
INSPECTOR:D. Childress/T. Martinez COMPANY:Golder Associates NC, Inc.
1. Is surface water diverted away from the well head?YES
2.Is the concrete pad still intact and free of cracks?YES
3.Has surface water runoff undercut the concrete pad?NO
4.Is the outer casing still secure and locked?YES
5. Is the well identification tag present and is it legible?YES
5a.Does the well identification tag provide the following information:
•The well identification number?YES
•Drilling contractor and registration number?YES
•Total well depth?YES
•Depth to screen?YES
•
6. Is the grout between the inner and outer well casings all the way to the ground surface?YES
7.Is the inner casing firmly grouted in place?YES
8.Are the inner and outer casings upright and unobstructed?YES
9.
10.Is the monitoring well accessible by a four-wheel drive vehicle?YES
11.Have brush and weeds been trimmed so that the well is easy to locate and access?YES
12.Does the inner well casing have a vented cap?YES
13.Is the monitoring well visible and adequately protected from moving equipment?YES
A warning that the well is not for water supply and that the ground water may
contain hazardous materials? YES
Is water collecting in the outer casing? Does a weep hole need to be bored in the outer casing to provide
drainage? NO
December 2, 2015
GROUNDWATER MONITORING WELL MAINTENANCE RECORD
FACILITY:Wake Recovery C&D Landfill PERMIT NO.:92-31
LOCATION:MW-4 DATE:
INSPECTOR:D. Childress/T. Martinez COMPANY:Golder Associates NC, Inc.
1. Is surface water diverted away from the well head?YES
2.Is the concrete pad still intact and free of cracks?YES
3.Has surface water runoff undercut the concrete pad?NO
4.Is the outer casing still secure and locked?YES
5. Is the well identification tag present and is it legible?YES
5a.Does the well identification tag provide the following information:
•The well identification number?YES
•Drilling contractor and registration number?YES
•Total well depth?YES
•Depth to screen?YES
•
6. Is the grout between the inner and outer well casings all the way to the ground surface?YES
7.Is the inner casing firmly grouted in place?YES
8.Are the inner and outer casings upright and unobstructed?YES
9.
10.Is the monitoring well accessible by a four-wheel drive vehicle?YES
11.Have brush and weeds been trimmed so that the well is easy to locate and access?YES
12.Does the inner well casing have a vented cap?YES
13.Is the monitoring well visible and adequately protected from moving equipment?YES
A warning that the well is not for water supply and that the ground water may
contain hazardous materials? YES
Is water collecting in the outer casing? Does a weep hole need to be bored in the outer casing to provide
drainage? NO
December 2, 2015
GROUNDWATER MONITORING WELL MAINTENANCE RECORD
FACILITY:Wake Recovery C&D Landfill PERMIT NO.:92-31
LOCATION:MW-5 DATE:
INSPECTOR:D. Childress/T. Martinez COMPANY:Golder Associates NC, Inc.
1. Is surface water diverted away from the well head?YES
2.Is the concrete pad still intact and free of cracks?YES
3.Has surface water runoff undercut the concrete pad?NO
4.Is the outer casing still secure and locked?YES
5. Is the well identification tag present and is it legible?YES
5a.Does the well identification tag provide the following information:
•The well identification number?YES
•Drilling contractor and registration number?YES
•Total well depth?YES
•Depth to screen?YES
•
6. Is the grout between the inner and outer well casings all the way to the ground surface?YES
7.Is the inner casing firmly grouted in place?YES
8.Are the inner and outer casings upright and unobstructed?YES
9.
10.Is the monitoring well accessible by a four-wheel drive vehicle?YES
11.Have brush and weeds been trimmed so that the well is easy to locate and access?NO
12.Does the inner well casing have a vented cap?YES
13.Is the monitoring well visible and adequately protected from moving equipment?YES
A warning that the well is not for water supply and that the ground water may
contain hazardous materials? YES
Is water collecting in the outer casing? Does a weep hole need to be bored in the outer casing to provide
drainage? NO
December 2, 2015
GROUNDWATER MONITORING WELL MAINTENANCE RECORD
FACILITY:Wake Recovery C&D Landfill PERMIT NO.:92-31
LOCATION:MW-6AS DATE:
INSPECTOR:D. Childress/T. Martinez COMPANY:Golder Associates NC, Inc.
1. Is surface water diverted away from the well head?YES
2.Is the concrete pad still intact and free of cracks?YES
3.Has surface water runoff undercut the concrete pad?NO
4.Is the outer casing still secure and locked?YES
5. Is the well identification tag present and is it legible?YES
5a.Does the well identification tag provide the following information:
•The well identification number?YES
•Drilling contractor and registration number?YES
•Total well depth?YES
•Depth to screen?YES
•
6. Is the grout between the inner and outer well casings all the way to the ground surface?YES
7.Is the inner casing firmly grouted in place?YES
8.Are the inner and outer casings upright and unobstructed?YES
9.
10.Is the monitoring well accessible by a four-wheel drive vehicle?YES
11.Have brush and weeds been trimmed so that the well is easy to locate and access?YES
12.Does the inner well casing have a vented cap?YES
13.Is the monitoring well visible and adequately protected from moving equipment?YES
December 2, 2015
A warning that the well is not for water supply and that the ground water may
contain hazardous materials? YES
Is water collecting in the outer casing? Does a weep hole need to be bored in the outer casing to provide
drainage? NO

Golder Associates NC, Inc.
5B Oak Branch Drive
Greensboro, NC 27407 USA
[phone] - Phone
[phone] - Fax