9231_BrownfieldCDLF_GWMR_20170322

Golder, Golder Associates and the GA globe design are trademarks of Golder Associates Corporation

SECOND SEMI-ANNUAL 2016
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

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

March 2017 1239-643816.100
WATER QUALITY MONITORING REPORT

Golder Associates NC, Inc. 5B Oak Branch Drive Greensboro, NC 27407 USA Tel: [phone] Fax: [phone] www.golder.com Engineering Lic. No. C-2862/Geology Lic. No. C-399 Golder, Golder Associates and the GA globe design are trademarks of Golder Associates Corporation
March 22, 2017 1239-643816.100
Ms. Jaclynne Drummond
North Carolina Department of Environmental Quality Division of Waste Management
2090 US Highway 70 Swannanoa, NC 28778
[phone]
RE: WATER QUALITY MONITORING REPORT, SECOND SEMI-ANNUAL 2017 SAMPLING
EVENT WAKE RECLAMATION, LLC, BROWNFIELD ROAD CONSTRUCTION AND DEMOLITION
LANDFILL, PERMIT NO. 92-31 WAKE COUNTY, NORTH CAROLINA
Dear Ms. Drummond:
Golder Associates NC, Inc. (Golder) is submitting the enclosed Water Quality Monitoring Report, which
documents the results of the second semi-annual compliance monitoring event of 2016 at the Wake Reclamation, LLC Brownfield Road Construction and Demolition (C&D) Landfill. Personnel from Golder
visited the facility on December 13, 2016, to sample monitoring wells MW-1, MW-2, MW-3, MW-4, MW-5, and MW-6As, and surface water monitoring points SW-1, SW-2, and SW-3. A verification sampling event
was conducted on February 10, 2017, to sample monitoring well MW-3 for analysis of total and dissolved mercury.
Wake Reclamation, LLC currently monitors groundwater at the facility for parameters listed in Title 15A NCAC 13B.0544 of the North Carolina Solid Waste Management Rules (NCSWMR). During the second
semi-annual event, two NC Appendix I inorganic constituents (barium and beryllium) 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. The concentration of beryllium in the sample from MW-2 exceeded the Solid Waste Section Groundwater Protection Standard during the December
2016 event.
An additional C&D parameter, mercury, was reported at a concentration that exceeded the SWSL and
NC 2L Standard in the sample from MW-3. The well was resampled on February 10, 2017 for analysis of total and dissolved mercury. Total mercury was detected at a similar concentration as the December 2016
event, therefore; the concentration of mercury in the sample from MW-3 during the December 2016 event is confirmed. However, the dissolved mercury concentration was lower than the total mercury
concentration, indicating that the total concentration is biased high by entrained sediment.
Indicator parameters iron and manganese were detected at concentrations above their respective SWSLs
and NC 2L Standards in samples from one or more downgradient wells during this event, as they have during previous events.
To determine the source of the above-standard concentrations, beryllium, mercury, iron, and manganese were statistically compared to background concentrations. The concentrations of beryllium and iron were
determined to be below the background concentrations and are interpreted to represent naturally occurring conditions.
The concentration of mercury in the sample from MW-3 during the December 2016 event was determined to exceed the background concentration. As stated above, total mercury concentrations may be biased
high by entrained sediment. The field turbidity values were relatively low, which indicates that particulates are fine grained. The trends and concentrations of historical concentrations of indicator parameters, such
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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 2016 Groundwater and Surface Water Monitoring Event .......................................... 4
2.4 February 2017 Verification Groundwater Monitoring Event ......................................................... 5
2.5 Laboratory Analysis Program ....................................................................................................... 5
2.6 December 2016 Sampling Results .............................................................................................. 5
2.7 February 2017 Verification Sampling Results .............................................................................. 6
3.0 LABORATORY AND FIELD QA/QC ................................................................................................ 6
4.0 DATA EVALUATIONS ..................................................................................................................... 6
4.1 December 2016 and February 2017 Groundwater and Surface Water Quality Standard
Comparisons ................................................................................................................................ 7
4.2 December 2016 and February 2017 Statistical Evaluations ........................................................ 7
4.3 Evaluation of Manganese Concentrations ................................................................................... 8
5.0 CONCLUSIONS ............................................................................................................................... 8
6.0 REFERENCES ................................................................................................................................. 9
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
Drawing
Drawing 1 Groundwater Contour Map, December 13, 2016
Appendices
Appendix A Groundwater and Surface Water Sampling Logs Appendix B December 2016 Groundwater and Surface Water Certificate-of-Analysis, Chain-of-
Custody Forms, and Laboratory Data Review Appendix C Statistical Evaluation Worksheets & Summary Table
Appendix D Soil and Stream Sediment Data
March 2017 1 1239-643816.100

1.0 INTRODUCTION
This report summarizes the monitoring results from the December 13, 2016, groundwater and surface water
sampling event and the February 10, 2017, verification 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 Environmental Quality
(DEQ, formally known as the NC Department of Environment and Natural Resources).
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.
Three northwest-trending unnamed streams traverse the site to intersect a north-trending unnamed stream
that parallels the western facility property line. The two 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 storm water basin was constructed along the western boundary of Phase 1.
Topographic surface elevations at the facility range from 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 11 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 DEQ. 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 DEQ Division of Waste
Management, Solid Waste Section on May 15, 2008, and evaluated the source of trichlorofluoromethane
in samples from MW-3. Based on the findings of the ASD, the most likely source of trichlorofluoromethane
detected in samples from MW-3 is landfill gas, rather than leachate. Subsequently, a Landfill Gas
Remediation Plan (LGRP) was submitted to address methane migration in the vicinity of MW-3, and was
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approved by NC DEQ 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, approval letter.
The evaluation was presented in the Second Semi-Annual Water Quality Monitoring Report of 2012, which
determined that, based on the available data and expected groundwater travel times, it was unlikely that
recent samples from MW-3 had sufficient time to reflect positive effects the cut-off trench may have on
groundwater quality. In a letter dated September 16, 2013, NC DEQ approved an additional 3 years to re-
evaluate groundwater quality at MW-3. The effectiveness of the cut-off trench was re-evaluated after the
December 2015 semi-annual water quality monitoring event. The installation of the cut-off trench appears
to have positively affected water quality in the vicinity of MW-3.
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 titled “Groundwater Monitoring Network Adjustment” was submitted to NC DEQ 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
current 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 DEQ 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).
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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
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 downgradient boundary. Groundwater elevations obtained
during the December 2016 monitoring event, as 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 flow west and northwest, and discharge 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 June 7, 2016, 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 0.028 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
17.3 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 2016 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
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potential water table mounding beneath the waste management unit, physical examination of any 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 2016 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 level measurements 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 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. As
expected, the range in fluctuation appears to be greater in 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 2016 Groundwater and Surface Water Monitoring Event
Personnel from Golder visited the facility on December 13, 2016, 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 with
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
March 2017 5 1239-643816.100

to exceed 500 milliliters per minute. Purging was continued until stabilization was indicated by the field
parameters.
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 overflow
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.
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 February 2017 Verification Groundwater Monitoring Event
Golder personnel visited the facility on February 10, 2017, to re-sample MW-3 and verify the concentration
of mercury detected in the sample during the December 2016 event. Sampling techniques were the same
as those described above. After collection, the samples were placed in a cooler on ice, under chain-of-
custody control for analysis of total and dissolved mercury. A copy of the sampling log is presented in
Appendix A. Included in the log is a description of the sampling equipment, sampling method, field
observations, location, and water quality measurements.
2.5 Laboratory Analysis Program
The December 2016 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.
2.6 December 2016 Sampling Results
Analytical results for the December 2016 groundwater samples are summarized in Table 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
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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) 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, mercury,
total alkalinity, chloride, and total dissolved solids were also detected at quantifiable concentrations in
samples from one or more wells, as they have during previous events. No NC Appendix I organic
constituents were detected at concentrations above their respective SWSLs during the December 2016
event.
Barium was detected at a quantifiable concentration above the SWSL in the sample from downstream
surface water monitoring point SW-3. No other NC Appendix I constituents were detected in downstream
surface water monitoring points at concentrations above the SWSLs during the December 2016 event.
2.7 February 2017 Verification Sampling Results
The verification sample from MW-3 collected on February 10, 2017, was analyzed for total and dissolved
mercury. Total mercury was detected at a similar concentration as the December 2016 event, therefore;
the concentration of mercury in the sample from MW-3 during the December 2016 event is confirmed.
However, the dissolved mercury concentration was much lower than the total mercury concentration,
indicating that the total concentration is influenced by entrained sediment.
3.0 LABORATORY AND FIELD QA/QC
A field blank was collected by Golder personnel as part of the December 2016 groundwater sampling event.
In addition to the field blank, a laboratory-prepared trip blank accompanied the volatile sample containers
for the December 2016 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. Copper
was detected in the field blank at an estimated concentration and nickel was detected in the laboratory
method blank at an estimated concentration. Based on our review, the concentrations of copper in the
samples from MW-1, MW-3, MW-4, MW-5, and SW-2 and nickel in the sample from MW-4 are considered
blank-qualified.
4.0 DATA EVALUATIONS
The results of the data evaluations are presented in the following sections.
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4.1 December 2016 and February 2017 Groundwater and Surface Water Quality
Standard Comparisons
As presented in Table 4, beryllium was reported at a concentration above the SWSL and the Solid Waste
Section’s Groundwater Protection Standard (GPS) in the sample from MW-2. Cobalt and vanadium were
reported at estimated concentrations below the SWSL, but above GPSs in the samples from one or more
monitoring wells during this event, as they have during previous events. No further action is warranted for
the detections of cobalt and vanadium because they are estimated concentrations.
Additional C&D parameter mercury was reported at a concentration above the SWSL and the NC 2L
Standard in the sample from MW-3 during the December 2016 event. The total mercury concentration was
confirmed during the February 2017 verification event, but the dissolved mercury concentration was
reported below the NC 2L Standard.
Indicator parameters iron and manganese were detected above their respective SWSLs and NC 2L
Standards in samples from one or more downgradient wells, as they have during previous events. No NC
Appendix I organic constituents were detected at concentrations above the NC 2L Standards. 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.
4.2 December 2016 and February 2017 Statistical Evaluations
As presented above, beryllium in the sample from MW-2 was reported at a concentration that exceeds the
SWSL and GPS during the December 2016 event. To determine the source of the exceedance, the
concentration was statistically evaluated and compared to the background concentration. The statistical
worksheets and summary table are presented as Appendix C. As presented, the concentration of beryllium
in the sample from MW-2 was determined to be below the background concentrations, and is interpreted
to represent naturally occurring conditions.
Statistical evaluation of indicator parameters and additional C&D parameters that exceeded their respective
SWSLs and groundwater standards in samples from downgradient wells was also performed. These
include the December 2016 detections of mercury reported in the sample from MW-3, iron in the samples
from MW-4 and MW-5, and manganese in the samples from MW-2, MW-4, and MW-5. The concentration
of mercury in the sample from MW-3 during the December 2016 event was determined to exceed the
background concentration. Likewise, the concentration of total mercury in the sample from MW-3 during
the February 2017 verification event exceeded the background concentration. The dissolved mercury
concentration reported for the February 2017 verification event was below the background concentration.
The trends and concentrations of historical concentrations of indicator parameters, such as chloride and
alkalinity, do not support that the mercury concentration in MW-3 is related to a leachate release. Future
mercury results will be utilized to help establish trends at MW-3.
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The concentrations iron were determined to be below their respective background concentrations. The
concentrations of manganese in the samples from MW-2, MW-3, and MW-5 were also determined to be
below the background concentration. However, the concentration of manganese in MW-4 was determined
to exceed the background concentration. This concentration is evaluated further in the following section.
4.3 Evaluation of Manganese Concentrations
A literature search of manganese concentrations in soils and stream sediment for NC and Wake County,
NC, specifically, was conducted to provide additional evidence that the source of manganese in the sample
from MW-4 are naturally occurring. Data presented in the November 2003 United States (US)
Environmental Protection Agency (EPA) document “Guidance for Developing Ecological Soil Screening
Levels” indicate that manganese concentrations in NC soils represent a substantial naturally occurring
source in local soil that would account for the concentrations detected in the groundwater sample from
MW-4. This document presents mean soil metal background concentrations for each state, including NC,
in milligrams per kilogram (mg/kg). The mean concentration of manganese in NC is 563 mg/kg (equivalent
to 563,000 parts per billion [ppb]), which would account for the concentrations detected in the groundwater
sample MW-4. Table 2.3 for the “Guidance for Developing Ecological Soil Screening Levels” is provided in
Appendix D.
The United States Geological Survey (USGS) National Geochemical Survey Database is a collection of
stream sediment data from across the US. This database was used to locate 13 stream sediment samples
collected between 1 to 15 miles from the Brownfield Road Landfill. Manganese concentrations from the
nearby stream sediment samples ranged from 43 to 1,960 parts per million (ppm) (equivalent to 43,000 to
1,960,000 ppb), with a mean concentration of 525 ppm (equivalent to 525,000 ppb). These concentrations
of manganese in sediment would account for the concentrations detected in the groundwater sample from
MW-4. A summary table of the data used from the National Geochemical Survey Database is provided in
Appendix D.
Summary tables from each of the above-referenced geochemical studies are included in Appendix D for
reference. Based on the soil and stream sediment metals data presented above, the manganese
concentrations reported in the groundwater sample from MW-4 are within natural background
concentrations. Therefore, future manganese results will continue to be monitored, and no further action
is warranted at this time.
5.0 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. We recommend re-development for MW-3 prior to the next compliance event
to address that metal concentrations may be biased high due to entrained sediment. The next groundwater
monitoring event is tentatively scheduled for June 2017.
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6.0 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.
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.
US EPA Guidance for Guidance for Developing Ecological Soil Screening Levels. November 2003
USGS National Geochemical Survey Database, http://mrdata.usgs.gov/geochem/, 2016
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TABLES
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G:\PROJECTS\Waste Industries\Wake Reclamation\Groundwater\WQMR\2016 Dec\Tables\Wake Recovery Tables Dec 2016.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 11.47
12/03/12 250.34 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 11.86
06/10/14 254.61 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 11.66
12/02/15 254.96 25.14 196.01 17.38 191.43 27.00 192.53 9.09 193.98 9.40 207.41 8.81 207.14 8.30 224.77 12.22 224.80 11.18
06/07/16 256.43 23.67 195.89 17.50 192.19 26.24 191.86 9.76 192.86 10.52 207.41 8.81 207.32 8.12 223.76 13.23 223.88 12.10
12/13/16 253.99 26.11 195.53 17.86 190.70 27.73 190.15 11.47 192.56 10.82 206.71 9.51 206.49 8.95 223.55 13.44 223.60 12.38
MEAN 253.50 26.60 196.18 17.21 191.95 26.48 190.17 11.45 193.07 10.31 207.19 9.03 206.96 8.49 224.24 12.75 224.27 11.71
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 13.44 226.21 12.44
MINIMUM 249.53 22.66 195.39 15.82 190.51 22.92 186.53 9.09 191.82 8.56 206.37 8.10 206.13 7.87 223.55 10.57 223.54 9.77
Notes:
TOC = Top of casing
ft 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
TABLE 1
Wake County, North Carolina
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Summary of Historical Groundwater Elevation Data in Monitoring Wells
MW-1
280.10 213.39
MW-3MW-2
218.43
MW-4
201.62
MW-5
203.38
MW-6As
216.22 235.98236.99
MW-7AsMW-6Ad
215.44
MW-7Ad
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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.
22.41
NNW
1224
1297
TABLE 2
Summary of Estimated Horizontal Flow Velocities
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
December 2016
Wake County, North Carolina
i 1
i 2
i 3 0.0231
15.21
14.36
0.20
0.20
1.20E-04
1.20E-04
0.0245NW
NW 1662 0.0361 0.20 1.20E-04
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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.
Lithology of
Screened IntervalTOC
Well Elevations
ft AMSL
TOP OF BEDROCK
Depth (ft BGS)
Total Depth Drilled
Elevation (ft AMSL)
Ground
Surface
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)
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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
ug/L 06/07/16 0.220 6 ND ND ND ND ND ND ND
ug/L 12/13/16 0.220 6 ND 0.988 J ND ND ND ND 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
ug/L 06/07/16 5.40 10 ND ND ND ND ND ND ND
ug/L 12/13/16 5.40 10 ND ND ND ND ND ND ND
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
ug/L 06/07/16 1.00 100 210 182 252 146 47.4 J 15.5 J ND
ug/L 12/13/16 1.00 100 200 171 250 116 41.0 J 21.7 J ND
Parameter Reporting
Units Date 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 Downgradient Blanks
March 2017 Page 2 of 10 1239-643816.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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
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
ug/L 06/07/16 0.100 1 0.293 J 4.63 0.658 J 1.73 3.12 0.936 J ND
ug/L 12/13/16 0.100 1 0.205 J 4.25 0.599 J 1.56 2.11 0.757 J 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
ug/L 06/07/16 0.360 1 ND ND ND ND ND ND ND
ug/L 12/13/16 0.360 1 ND ND 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
ug/L 06/07/16 1.40 10 ND ND ND ND ND ND ND
ug/L 12/13/16 1.40 10 ND ND ND ND ND ND ND
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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
ug/L 06/07/16 1.10 10 6.39 J ND 1.53 J 3.55 J 1.56 J ND ND
ug/L 12/13/16 1.10 10 3.80 J ND 1.74 J 3.14 J ND 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
ug/L 06/07/16 1.60 10 2.00 B ND ND ND ND ND 1.87 J
ug/L 12/13/16 1.60 10 2.74 B ND 1.62 B 2.39 B 2.29 B ND 4.80 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
ug/L 06/07/16 2.10 10 ND ND ND ND 6.57 J ND ND
ug/L 12/13/16 2.10 10 ND ND ND ND ND ND ND
March 2017 Page 4 of 10 1239-643816.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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
ug/L 06/07/16 0.170 0.2 ND ND 1.94 ND ND ND ND
ug/L 12/13/16 0.170 0.2 ND 0.281 2.97 ND ND ND ND
(verification event)ug/L 02/10/17 0.170 0.2 ----3.04 --------
(dissolved)ug/L 02/10/17 0.170 0.2 ----0.212 --------
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
ug/L 06/07/16 1.80 50 ND ND ND 4.11 J ND ND ND
ug/L 12/13/16 1.80 50 ND ND ND 5.25 B ND ND 2.22 J
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
ug/L 06/07/16 5.00 10 ND ND ND ND ND ND ND
ug/L 12/13/16 5.00 10 ND ND ND ND ND ND ND
March 2017 Page 5 of 10 1239-643816.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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
ug/L 06/07/16 1.90 10 ND 2.59 J ND ND 2.26 J ND ND
ug/L 12/13/16 1.90 10 ND ND ND 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
ug/L 06/07/16 0.110 5.5 0.255 J 0.152 J 0.181 J ND ND ND ND
ug/L 12/13/16 0.110 5.5 0.248 J 0.181 J 0.207 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
ug/L 06/07/16 1.40 25 ND ND ND ND 11.5 J ND ND
ug/L 12/13/16 1.40 25 ND ND ND ND 5.03 J ND 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
ug/L 06/07/16 3.80 10 5.96 J ND ND ND 5.16 J ND ND
ug/L 12/13/16 3.80 10 6.45 J 5.18 J ND 5.03 J ND 6.14 J ND
March 2017 Page 6 of 10 1239-643816.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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
ug/L 06/07/16 22.0 300 261 J ND ND 1920 36800 234 J ND
ug/L 12/13/16 22.0 300 56.1 J ND ND 2100 18100 753 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
ug/L 06/07/16 1.10 50 71.9 544 76.3 4700 162 13.5 J ND
(dissolved)ug/L 06/07/16 1.10 50 --539 --4570 ----ND
ug/L 12/13/16 1.10 50 39.6 J 382 79.7 4280 152 19.6 J ND
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
ug/L 06/07/16 0.15 1 ND ND ND ND ND ND ND
ug/L 12/13/16 0.15 1 ND ND ND ND ND ND ND
March 2017 Page 7 of 10 1239-643816.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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
ug/L 06/07/16 0.15 5 ND ND 0.72 J ND ND ND ND
ug/L 12/13/16 0.15 5 ND ND 1.1 J ND ND ND ND
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
ug/L 06/07/16 0.23 1 ND ND ND ND ND ND ND
ug/L 12/13/16 0.23 1 ND ND ND 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
ug/L 06/07/16 0.17 1 ND ND 0.40 J ND ND ND ND
ug/L 12/13/16 0.17 1 ND ND ND ND ND ND ND
March 2017 Page 8 of 10 1239-643816.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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
ug/L 06/07/16 0.15 1 ND ND ND ND ND ND ND
ug/L 12/13/16 0.15 1 ND ND ND ND ND ND ND
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
ug/L 06/07/16 0.24 1 ND ND ND ND ND ND ND
ug/L 12/13/16 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
ug/L 06/08/15 0.45 5 ND ND ND ND ND ND ND
ug/L 12/02/15 0.45 5 ND ND ND ND ND ND ND
ug/L 06/07/16 0.45 5 ND ND ND ND ND ND ND
ug/L 12/13/16 0.45 5 ND ND 0.49 J ND ND ND ND
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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 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
ug/L 12/02/15 0.80 --ND ND 2.2 ND ND ND ND
ug/L 06/07/16 0.80 --ND ND ND ND ND ND 3.1
ug/L 12/13/16 0.80 --ND ND ND 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
mg/L 06/07/16 2.2 --14 19 8.4 4.3 J 3.5 J ND ND
mg/L 12/13/16 2.2 --20 18 8.3 4.6 J 3.2 J ND ND
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
mg/L 06/07/16 10 --ND 320 ND 200 ND ND ND
mg/L 12/13/16 10 --ND 320 ND 170 ND 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
mg/L 06/07/16 2.9 250 4.8 J 110 J ND 110 J 3.8 J 7.2 J ND
mg/L 12/13/16 2.9 250 ND 96 J ND 110 J 3.2 J 8.2 J ND
March 2017 Page 10 of 10 1239-643816.100
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date 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 Downgradient Blanks
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
mg/L 06/07/16 14 --ND 21 ND 32 22 ND ND
mg/L 12/13/16 14 --ND 21 ND 32 16 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.
March 2017 Page 1 of 3 1239-643816.100
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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
S.U.06/07/16 3.97 4.35 3.89 4.77 4.59 3.99
S.U.12/13/16 4.12 4.66 4.30 4.74 5.13 4.44
(verification event)S.U.02/10/17 ----3.95 ------
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
uS/cm 06/07/16 89 482 80 345 79 40
uS/cm 12/13/16 81 483 70 294 65 40
(verification event)uS/cm 02/10/17 ----87 ------
Parameter Reporting
Units Date Upgradient Downgradient
TABLE 5
Summary of Field Parameters from Groundwater Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date Upgradient Downgradient
TABLE 5
Summary of Field Parameters from Groundwater Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
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
oC 06/07/16 19.4 17.5 17.0 17.1 15.1 16.2
oC 12/13/16 16.9 16.4 16.2 16.8 15.2 15.5
(verification event)oC 02/10/17 ----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
NTU 06/07/16 11.80 2.48 2.37 1.63 223 6.17
NTU 12/13/16 4.09 1.29 2.67 7.88 230 23.4
(verification event)NTU 02/10/17 ----0.89 ------
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MW-1 MW-2 MW-3 MW-4 MW-5 MW-6AsParameterReporting
Units Date Upgradient Downgradient
TABLE 5
Summary of Field Parameters from Groundwater Monitoring Points
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
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
mg/L 06/07/16 5.56 1.41 2.38 0.61 1.14 5.72
mg/L 12/13/16 5.27 0.76 1.98 1.10 3.38 5.47
(verification event)mg/L 02/10/17 ----0.97 ------
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
mV 06/07/16 367.3 598.4 608.5 189.8 97.2 328.2
mV 12/13/16 365.6 569.5 558.1 201.8 129 345.9
(verification event)mV 02/10/17 ----578.4 ------
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
# = Data considered suspect due to instrument error
March 2017 Page 1 of 6 1239-643816.100
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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 ND
ug/L 12/13/07 --6 ND ND ND ND
ug/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 ND
ug/L 12/10/09 --6 ND ND ND ND
ug/L 06/15/10 --6 ND ND ND ND
ug/L 12/09/10 --6 ND ND 0.503 J ND
ug/L 06/15/11 --6 ND ND ND ND
ug/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 ND
ug/L 06/11/13 --6 ND ND ND ND
ug/L 12/02/13 --6 ND ND ND ND
ug/L 06/10/14 --6 ND ND ND ND
ug/L 12/03/14 0.22 6 ND ND ND ND
ug/L 06/08/15 0.22 6 ND ND ND ND
ug/L 12/02/15 0.22 6 ND ND ND ND
ug/L 06/07/16 0.22 6 ND ND ND ND
ug/L 12/13/16 0.22 6 ND ND ND ND
Arsenic ug/L 05/07/02 --10 --ND --ND
Human Health SW Standard = 10 ug/L ug/L 08/07/02 --10 ----ND ND
ug/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 ND
ug/L 12/16/04 --10 ND ND ND ND
ug/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 ND
ug/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 J
ug/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 ND ND ND 3.5 J
ug/L 12/10/09 --10 ND ND 5.15 J ND
ug/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 ND
ug/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 ND
ug/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 ND
ug/L 12/03/14 5.40 10 ND ND ND ND
ug/L 06/08/15 5.40 10 ND ND ND ND
ug/L 12/02/15 5.40 10 ND ND ND 9.10 J
ug/L 06/07/16 5.40 10 ND ND ND ND
ug/L 12/13/16 5.40 10 ND ND ND ND
Barium ug/L 05/07/02 --500 --ND --ND
Human Health SW Standard = 200000 ug/L ug/L 08/07/02 --500 ----ND ND
ug/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 ND
ug/L 12/16/04 --500 ND ND ND ND
ug/L 06/14/05 --500 ND ND ND ND
ug/L 12/27/05 --500 ND ND ND ND
ug/L 06/21/06 --500 ND ND ND ND
ug/L 12/13/06 --100 98.4 J 37.8 J 265 0.4 J
ug/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 J
ug/L 06/19/08 --100 31.8 J 32.0 J dry ND
ug/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 ND
ug/L 06/15/10 --100 34.0 J 32.0 J 245 ND
ug/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 ND
ug/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 J
ug/L 12/02/13 --100 27.9 J 31.9 J 191 ND
ug/L 06/10/14 --100 31.3 J 267 191 ND
ug/L 12/03/14 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 ND
ug/L 12/02/15 1.00 100 32.5 J 39.8 J 162 3.35 J
ug/L 06/07/16 1.00 100 97.8 J 46.1 J 175 ND
ug/L 12/13/16 1.00 100 25.2 J 29.6 J 158 ND
TABLE 6
Summary of Detected Constituents in Surface Water
Brownfield 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 Water
Brownfield 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
Freshwater Acute SW Standard = 65 ug/L ug/L 06/29/07 --1 ND ND ND ND
Freshwater Chronic SW Standard = 6.5 ug/L ug/L 12/13/07 --1 ND ND ND ND
ug/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 J
ug/L 12/10/09 --1 0.114 J 0.154 J 0.592 J ND
ug/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 0.216 J ND
ug/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 ND
ug/L 06/11/13 --1 0.133 J ND 0.176 J ND
ug/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 12/03/14 0.10 1 ND ND 0.275 J ND
ug/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
ug/L 06/07/16 0.10 1 0.464 J 0.177 J 0.183 J ND
ug/L 12/13/16 0.10 1 ND ND ND ND
Cadmium ug/L 05/07/02 --1 --ND --ND
Freshwater Acute SW Standard = 0.82 ug/L ug/L 08/07/02 --1 ----1.6 ND
Freshwater Chronic SW Standard = 0.15 ug/L ug/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 ND
ug/L 12/16/04 --1 ND ND ND ND
ug/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 ND
ug/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 ND
ug/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 0.20 J ND 0.28 J ND
ug/L 12/10/09 --1 ND ND ND ND
ug/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 ND
ug/L 12/06/11 --1 ND ND ND ND
ug/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 ND
ug/L 12/02/13 --1 ND ND ND ND
ug/L 06/10/14 --1 ND ND ND ND
ug/L 12/03/14 0.36 1 ND ND 1.64 ND
ug/L 06/08/15 0.36 1 ND ND ND ND
ug/L 12/02/15 0.36 1 ND ND ND ND
ug/L 06/07/16 0.36 1 ND ND ND ND
ug/L 12/13/16 0.36 1 ND ND ND ND
Chromium ug/L 05/07/02 --10 --ND --ND
Freshwater Acute SW Standard = 180 ug/L ug/L 08/07/02 --10 ----ND ND
Freshwater Chronic SW Standard = 24 ug/L ug/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 ND
ug/L 12/16/04 --10 ND ND ND ND
ug/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 ND
ug/L 12/13/06 --10 ND ND 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 ND ND dry ND
ug/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 ND
ug/L 06/15/10 --10 ND 1.00 J ND ND
ug/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 ND
ug/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 ND
ug/L 12/02/13 --10 ND ND ND ND
ug/L 06/10/14 --10 ND ND ND ND
ug/L 12/03/14 1.40 10 ND ND ND ND
ug/L 06/08/15 1.40 10 ND ND ND ND
ug/L 12/02/15 1.40 10 ND ND ND ND
ug/L 06/07/16 1.40 10 ND 2.02 J ND ND
ug/L 12/13/16 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 Water
Brownfield 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 ND
ug/L 12/13/07 --10 ND ND ND ND
ug/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 ND
ug/L 12/10/09 --10 ND ND 3.20 J ND
ug/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 ND ND ND ND
ug/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 ND
ug/L 06/11/13 --10 1.63 J 1.16 J 1.58 J ND
ug/L 12/02/13 --10 ND ND ND ND
ug/L 06/10/14 --10 ND ND ND ND
ug/L 12/03/14 1.10 10 ND ND ND ND
ug/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
ug/L 06/07/16 1.10 10 ND ND ND ND
ug/L 12/13/16 1.10 10 ND ND ND ND
Copper ug/L 05/07/02 --0.05 --ND --ND
Freshwater Acute SW Standard = 3.6 ug/L ug/L 08/07/02 --0.05 ----ND ND
Freshwater Chronic SW Standard = 2.7 ug/L 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 J
ug/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 ND
ug/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 ND ND ND ND
ug/L 12/06/11 --10 ND ND ND ND
ug/L 06/14/12 --10 6.38 J 3.62 J ND ND
ug/L 12/03/12 --10 ND ND ND ND
ug/L 06/11/13 --10 3.63 J 3.34 J 3.90 J ND
ug/L 12/02/13 --10 ND ND ND ND
ug/L 06/10/14 --10 ND ND ND ND
ug/L 12/03/14 1.60 10 ND ND ND ND
ug/L 06/08/15 1.60 10 ND ND 2.06 B 3.34 J
ug/L 12/02/15 1.60 10 ND ND ND 4.56 J
ug/L 06/07/16 1.60 10 ND ND ND 1.87 J
ug/L 12/13/16 1.60 10 ND 1.74 B ND 4.80 J
Lead ug/L 05/07/02 --10 --ND --ND
Freshwater Acute SW Standard = 14 ug/L ug/L 08/07/02 --10 ----ND ND
Freshwater Chronic SW Standard = 0.54 ug/L ug/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 ND
ug/L 12/16/04 --10 ND ND ND ND
ug/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 ND
ug/L 12/13/06 --10 2.1 J ND 3.8 J 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 ND ND dry ND
ug/L 12/02/08 --10 ND ND ND ND
ug/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 ND
ug/L 12/09/10 --10 ND ND ND ND
ug/L 06/15/11 --10 ND 2.15 J 1.96 J ND
ug/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 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 ND
ug/L 06/10/14 --10 ND ND ND ND
ug/L 12/03/14 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
ug/L 06/07/16 2.10 10 ND 4.27 J ND ND
ug/L 12/13/16 2.10 10 ND ND ND ND
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Blanks
SW-1 SW-2 SW-3
TABLE 6
Summary of Detected Constituents in Surface Water
Brownfield 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
Freshwater Acute SW Standard = 140 ug/L ug/L 08/07/02 --50 ----ND ND
Freshwater Chronic SW Standard = 16 ug/L ug/L 06/29/07 --50 ND ND ND ND
ug/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 ND
ug/L 06/11/09 --50 0.9 J 1.0 J 1.8 J ND
ug/L 12/10/09 --50 ND ND 2.94 J ND
ug/L 06/15/10 --50 ND ND ND ND
ug/L 12/09/10 --50 ND ND ND ND
ug/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 ND
ug/L 12/03/12 --50 ND ND ND ND
ug/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 ND
ug/L 12/03/14 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 ND
ug/L 06/07/16 1.80 50 ND ND ND ND
ug/L 12/13/16 1.80 50 ND ND ND 2.22 J
Selenium ug/L 05/07/02 --20 --ND --ND
Freshwater Acute SW Standard = 5 ug/L ug/L 08/07/02 --20 ----ND ND
Freshwater Chronic SW Standard = 5 ug/L ug/L 06/16/03 --20 ND ND ND ND
ug/L 12/16/03 --20 ND ND ND ND
ug/L 06/16/04 --20 ND ND ND ND
ug/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 ND
ug/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 ND
ug/L 12/13/07 --10 ND ND ND ND
ug/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 ND 4.8 J ND ND
ug/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 ND
ug/L 06/15/11 --10 ND ND 1.15 J ND
ug/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 ND
ug/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 ND
ug/L 12/03/14 5.00 10 ND ND ND ND
ug/L 06/08/15 5.00 10 ND ND ND ND
ug/L 12/02/15 5.00 10 ND ND ND ND
ug/L 06/07/16 5.00 10 ND ND ND ND
ug/L 12/13/16 5.00 10 ND ND ND ND
Thallium ug/L 05/07/02 --10 --ND --ND
No 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 ND
ug/L 12/02/08 --5.5 ND ND ND ND
ug/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 ND
ug/L 12/09/10 --5.5 ND ND ND ND
ug/L 06/15/11 --5.5 ND ND ND ND
ug/L 12/06/11 --5.5 ND ND ND ND
ug/L 06/14/12 --5.5 ND ND ND 0.195 J
ug/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 ND
ug/L 06/10/14 --5.5 ND ND ND ND
ug/L 12/03/14 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
ug/L 06/07/16 0.11 5.5 ND ND ND ND
ug/L 12/13/16 0.11 5.5 ND ND ND ND
March 2017 Page 5 of 6 1239-643816.100
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Blanks
SW-1 SW-2 SW-3
TABLE 6
Summary of Detected Constituents in Surface Water
Brownfield 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 ND
ug/L 12/13/07 --25 ND ND ND ND
ug/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 ND
ug/L 12/10/09 --25 3.52 J 2.22 J 8.66 J ND
ug/L 06/15/10 --25 ND ND ND ND
ug/L 12/09/10 --25 ND ND ND ND
ug/L 06/15/11 --25 1.43 J ND 1.75 J ND
ug/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 ND
ug/L 06/11/13 --25 6.94 J 6.42 J 6.73 J ND
ug/L 12/02/13 --25 ND ND ND ND
ug/L 06/10/14 --25 ND ND ND ND
ug/L 12/03/14 1.40 25 ND ND ND ND
ug/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
ug/L 06/07/16 1.40 25 ND 6.75 J ND ND
ug/L 12/13/16 1.40 25 ND ND ND ND
Zinc ug/L 05/07/02 --50 --ND --ND
Freshwater Acute SW Standard = 36 ug/L ug/L 08/07/02 --50 ----ND ND
Freshwater Chronic SW Standard = 36 ug/L ug/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 J
ug/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 ND
ug/L 06/15/10 --10 4.85 J ND 6.62 J ND
ug/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 ND
ug/L 06/14/12 --10 16.0 7.39 J 9.68 J ND
ug/L 12/03/12 --10 ND ND 3.80 J ND
ug/L 06/11/13 --10 12.1 12.2 12.0 ND
ug/L 12/02/13 --10 ND ND 4.36 J ND
ug/L 06/10/14 --10 ND 8.29 J ND ND
ug/L 12/03/14 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 ND
ug/L 12/02/15 3.80 10 3.93 J ND 4.04 J ND
ug/L 06/07/16 3.80 10 ND ND ND ND
ug/L 12/13/16 3.80 10 ND ND ND ND
Acetone ug/L 05/07/02 --100 --ND --ND
SW Standard = 2000 ug/L ug/L 06/16/03 --100 ND ND ND ND
ug/L 12/16/03 --100 ND ND ND ND
ug/L 06/16/04 --100 ND ND ND ND
ug/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 ND
ug/L 06/29/07 --100 ND ND ND 1.5 J
ug/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 ND
ug/L 06/11/09 --100 ND ND ND ND
ug/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 ND
ug/L 06/15/11 --100 ND ND ND ND
ug/L 12/06/11 --100 ND ND ND ND
ug/L 06/14/12 --100 ND ND ND ND
ug/L 12/03/12 --100 ND ND ND ND
ug/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 J
ug/L 12/03/14 1.20 100 ND ND ND ND
ug/L 06/08/15 1.20 100 ND ND ND ND
ug/L 12/02/15 1.20 100 ND ND ND ND
ug/L 06/07/16 1.20 100 ND ND ND ND
ug/L 12/13/16 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 Water
Brownfield 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 ND
ug/L 06/16/04 --5 ND ND ND ND
ug/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 J
ug/L 12/13/07 --1 ND ND ND ND
ug/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 ND
ug/L 12/10/09 --1 ND ND ND ND
ug/L 06/15/10 --1 0.41 J ND ND ND
ug/L 12/09/10 --1 ND ND ND ND
ug/L 06/15/11 --1 ND ND ND ND
ug/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 ND
ug/L 06/11/13 --1 ND ND ND ND
ug/L 12/02/13 --1 ND ND ND ND
ug/L 06/10/14 --1 ND ND ND ND
ug/L 12/03/14 0.14 1 ND ND ND ND
ug/L 06/08/15 0.14 1 ND ND ND ND
ug/L 12/02/15 0.14 1 ND ND ND ND
ug/L 06/07/16 0.14 1 ND ND ND ND
ug/L 12/13/16 0.14 1 ND ND ND ND
Notes:
SW = surface water monitoring point
ug/L = micrograms per liter
J = 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 blanks
SW 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
# = Data considered suspect due to instrument error
Bold = Values are above their current respective NC Surface Water Chronic standard
Shaded = Values are above their current respective NC Surface Water Standards under 15A NCAC 2B.0211 for
Freshwater Aquatic Life classification or above their Acute SW Standard
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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 6.82
S.U.06/11/09 6.56 6.46 6.25
S.U.12/10/09 6.38 5.75 6.00
S.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 6.27
S.U.12/02/13 6.47 6.85 6.89
S.U.06/10/14 6.38 6.17 6.03
S.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
S.U.06/07/16 5.30 6.16 5.55
S.U.12/13/16 4.98 5.00 5.41
Specific Conductance uS/cm 12/13/06 183 113 476
uS/cm 06/29/07 71 81 454
uS/cm 12/13/07 119 145 626
uS/cm 06/19/08 97 119 dry
uS/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 91 451
uS/cm 06/14/12 77 147 405
uS/cm 12/03/12 59 78 335
uS/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
uS/cm 06/07/16 195 121 323
uS/cm 12/13/16 79 95 287
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
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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 14.5oC06/07/16 18.5 22.2 21.0oC12/13/16 8.9 8.5 10.6
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 39.5
NTU 06/19/08 35.2 20.1 dry
NTU 12/02/08 16.3 12.5 6.34
NTU 06/11/09 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 19.6
NTU 12/03/12 16.5 7.63 2.32
NTU 06/11/13 159 116 88.6
NTU 12/02/13 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
NTU 06/07/16 12.00 92.70 2.85
NTU 12/13/16 4.98 3.19 4.79
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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
Dissolved Oxygen mg/L 12/13/07 8.82 14.57 8.26
mg/L 06/19/08 7.66 8.54 dry
mg/L 12/02/08 8.23 10.83 9.33
mg/L 06/11/09 4.58 8.47 9.36
mg/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 9.69
mg/L 06/14/12 7.25 8.98 9.14
mg/L 12/03/12 7.67 10.95 11.19
mg/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
mg/L 06/07/16 --8.02 5.34
mg/L 12/13/16 12.50 13.24 11.55
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 06/15/10 130.2 106.3 120.3
mV 12/09/10 206.9 174.4 292.6
mV 06/15/11 179.2 119.6 98.0
mV 12/06/11 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 12/03/14 203.4 258.0 237.4
mV 06/08/15 211.6 224.5 381.1
mV 12/02/15 387.2 394.4 421.0
mV 06/07/16 --275.8 483.1
mV 12/13/16 282.0 392.3 392.8
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G:\PROJECTS\Waste Industries\Wake Reclamation\Groundwater\WQMR\2016 Dec\Tables\Wake Recovery Tables Dec 2016.xlsx
Notes:
SW = surface water monitoring point
mg/L = milligrams per liter
S.U. = Standard Units
uS/cm = microsiemens per centimeter⁰C = Degrees Celsius
NTU = Nephelometric Turbidity Units
mV = millivolts
-- = no data available
dry = no flowing water at time of sampling and no sample was collected
* = Standard is a National Criteria per EPA
# = Data considered suspect due to instrument error
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

DRAWING
WE =200.6WE =244.8WE =239.5WE 268.2WE 228.1TANKSDENSE TREESESTIMATEDTANKRWALLRWALL220200220260270280230240250260270280290230240250210220
230240250260230240260270280250250270260250250260270280290250290260270280290230240250210220220230260270240250220230280280290280290260270280260250
26027028
0 27026027025
0
280
270260250260250270270250260240
250260240250260270280250270250290WE 200.5'WE 244.5'i1i2i3FUTURESOUTHERNDISPOSALAREAFUTUREDISPOSALAREAPHASE 1(19 ACRES)2
5
0
2
4
0
23
0
2
2
0
210
190190200210220
2
4
0
2
5
0 200230
LFG-6LFG-7BH-1BH-2BH-3BH-4LFG-5LFG-9LFG-8LFG-10 SITE LOCATION MW-3MW-2MW-4MW-5SW-1SW-2SW-3MW-1195.53190.70190.15192.56253.99GAS VENT 2MW-6AdMW-6AsMW-7ADMW-7AS223.55206.71206.49223.60GAS VENT 1CONSULTANTDESIGNPREPAREDREVIEWAPPROVEDYYYY-MM-DDTITLEPROJECT No.Rev.PROJECTCLIENTPath: \\greensboro\CAD\_2012\12396438 - WI - Wake Recovery\PRODUCTION\_F - 2016 GW\ | File Name: 1239643816F002.dwg
IF THIS MEASUREMENT DOES NOT MATCH WHAT IS SHOWN, THE SHEET SIZE HAS BEEN MODIFIED FROM: ANSI D01 in1239643816PHASE100DRAWING10 2017-01-24DYRTJMDYRRPKWAKE RECLAMATION, LLCBROWNFIELD ROAD C&D LANDFILLWAKE COUNTY, NORTH CAROLINAWASTE INDUSTRIES USA, INC.GROUNDWATER CONTOUR MAPDECEMBER 13, 2016EXISTING 10-FOOT GROUND SURFACE CONTOUREXISTING 2-FOOT GROUND SURFACE CONTOURPROPERTY LINEAPPROXIMATE LIMITS OF WASTEEXISTING ROADLANDFILL GAS MONITORING POINTGROUNDWATER MONITORING POINT AND GROUNDWATER ELEVATIONSURFACE WATER MONITORING POINTLANDFILL GAS VENTGROUNDWATER SURFACE CONTOURSAPPROXIMATE GROUNDWATER FLOW SEGMENT USED TO CALCULATEGRADIENTTREELINETOPOGRAPHIC DIVIDING LINE (SEE NOTE 10)250i1MW-1SW-3253.991) TOPOGRAPHIC CONTOUR INTERVAL = 2 FEET2) GROUNDWATER SURFACE CONTOUR INTERVAL = 10 FEET3) GROUNDWATER ELEVATIONS MEASURED ON DECEMBER 13, 2016.4) GROUNDWATER CONTOURS BASED ON LINEAR INTERPOLATION BETWEEN ANDEXTRAPOLATION FROM KNOWN DATA, TOPOGRAPHIC CONTOURS, AND KNOWN FIELDCONDITIONS. THEREFORE, GROUNDWATER CONTOURS MAY NOT REFLECT ACTUAL CONDITIONS.5) GROUNDWATER CONTOUR LINES SHOW THE WATER TABLE SHAPE AND ELEVATION. THESECONTOURS ARE INFERRED LINES FOLLOWING THE GROUNDWATER SURFACE AT A CONSTANTELEVATION ABOVE SEA LEVEL. THE GROUNDWATER FLOW DIRECTION IS GENERALLYPERPENDICULAR TO THE GROUNDWATER SURFACE CONTOURS, SIMILAR TO THE RELATIONSHIPBETWEEN SURFACE WATER FLOW AND TOPOGRAPHIC CONTOURS.6) BASE MAP PROVIDED BY RICHARDSON SMITH GARDNER & ASSOCIATES. TOPOGRAPHYPROVIDED FROM AERIAL SURVEYS PREPARED BY SURVEY SOLUTIONS P.C., PHOTOGRAPHYDATES JANUARY 7, 2015, AND FEBRUARY 05, 2014.7) LANDFILL GAS MONITORING POINTS AND SURFACE WATER MONITORING POINT LOCATIONSARE APPROXIMATE.8) ELEVATIONS SHOWN IN THIS DRAWING ARE IN FEET ABOVE SEA LEVEL DATUM ("SEA LEVELDATUM" REFERS TO THE NATIONAL GEODETIC VERTICAL DATUM (NGVD) OF 1929); ANDCOORDINATES ARE EXPRESSED IN TERMS OF THE STATE PLANE COORDINATE SYSTEM.9) GROUNDWATER ELEVATIONS FOR MW-6AD AND MW-7AD WERE NOT USED IN THECONSTRUCTION OF THE GROUNDWATER CONTOURS SINCE THESE WELLS ARE SCREENED INTHE BEDROCK AQUIFER.10) TOPOGRAPHIC DIVIDING LINE SEPARATES BASE MAP TOPOGRAPHIC CONTOURS FROMUPDATED CONTOURS.GAS VENT 1LFG-50FEET200 400SCALELEGENDNOTESPG C-399GOLDER ASSOCIATES NC, INC.

APPENDIX A
GROUNDWATER AND SURFACE WATER SAMPLING LOGS

Caption Text

APPENDIX B DECEMBER 2016 GROUNDWATER AND SURFACE WATER CERTIFICATE-OF-ANALYSIS, CHAIN-OF-CUSTODY FORMS, AND LABORATORY DATA REVIEWS

Caption Text
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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: 1239-643816.100
Sampling Event Date: December 13, 2015
Review Date: January 10, 2016 Initials: WB
Report #: CZ18459
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
WB COC was properly signed by all parties.

WB Correct project name and number are on the form.

WB Sample receipt condition at laboratory was acceptable.

WB 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

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

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

WB Laboratory analyzed at least one internal blank for each method, where
applicable.

WB Laboratory blank is interference-free.

WB Surrogate recoveries are provided for each analytical method, where applicable.

WB Surrogate recoveries for each method are within the acceptable limits (i.e., at
least 50% of the surrogates were within range).

WB MS/MSD/LCS data results are provided for each analytical method.

WB 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 recovery of Mercury was outside of control limits for the MSD
sample. The QC batch was approved based on acceptable LCS recovery of
this element.
 The spike recoveries of Alkalinity, Chloride, and Sulfate were outside of
control limits for the MS and/or MSD samples, and precision between duplicate spikes of Chloride and Sulfate exceeded acceptance criteria. The QC batches were approved based on acceptable LCS recovery of these analytes.

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

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

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

5.0 DATA REPORTING

WB All analytical reporting associated with the event was performed by the
contracted lab.

WB 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.

 Copper (MDL = 1.60 ug/L)
• Field Blank @ 4.80 ug/L (J)
• B flags should be added to:
 MW-1 @ 2.74 ug/L (J)
 MW-3 @ 1.62 ug/L (J)
 MW-4 @ 2.39 ug/L (J)
 MW-5 @ 2.29 ug/L (J)
 SW-2 @ 1.74 ug/L (J)

 Nickel (MDL = 2.20 ug/L)
• Lab Blank @ 2.22 ug/L (J)
 Add B flag to MW-4 @ 5.25 ug/L (J)
WB 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.

 Sulfate (2X): MW-2 and MW-4

WB The report provides the reporting limit for each constituent.

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

WB 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.

 Barium (NC SWSL = 100 ug/L)
• MW-1 @ 200 ug/L
• MW-2 @ 171 ug/L
• MW-3 @ 250 ug/L
• MW-4 @ 116 ug/L
• SW-3 @ 158 ug/L
 Beryllium (NC SWSL = 1 ug/L)
• MW-2 @ 4.25 ug/L
• MW-4 @ 1.56 ug/L
• MW-5 @ 2.11 ug/L
 Iron (NC SWSL = 300 ug/L)
• MW-4 @ 2100 ug/L
• MW-5 @ 18100 ug/L
• MW-6AS @ 753 ug/L
 Manganese (NC SWSL = 50 ug/L)
• MW-2 @ 382 ug/L
• MW-3 @ 79.7 ug/L
• MW-4 @ 4280 ug/L
• MW-5 @ 152 ug/L
 Mercury (NC SWSL = 0.2 ug/L)
• MW-2 @ 0.281 ug/L
• MW-3 @ 2.97 ug/L

WB 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 (SWS GWPS = 4 ug/L)
• MW-2 @ 4.25 ug/L
 Cobalt (SWS GWPS = 1 ug/L)
• MW-1 @ 3.80 ug/L (J)
• MW-3 @ 1.74 ug/L (J)
• MW-4 @ 3.14 ug/L (J)
 Iron (NC 2L = 300 ug/L)
• MW-4 @ 2100 ug/L
• MW-5 @ 18100 ug/L
• MW-6AS @ 753 ug/L
 Manganese (NC 2L = 50 ug/L)
• MW-2 @ 382 ug/L
• MW-3 @ 79.7 ug/L
• MW-4 @ 4280 ug/L
• MW-5 @ 152 ug/L
 Mercury (NC 2L = 2 ug/L)
• MW-3 @ 2.97 ug/L
 Vanadium (SWS GWPS = 0.3 ug/L)
• MW-5 @ 5.03 ug/L (J)

WB 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).

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

ENCO Cary
WORK ORDER
CA01592
Golder Associates, Inc. (GO007)
WI- Wake Recovery C&D LF Resample 1239643817.300Project: Project Number:
Client:
Printed: 2/16/2017 3:47:50PM
Lab Project Mgr:Stephanie Franz
PO #:
Sample Receipt Conditions
Report To:
Golder Associates, Inc. (GO007)
Dusty Reedy
5B Oak Branch Drive
Greensboro, NC 27407
Phone: [phone]
Fax: [phone]
Invoice To:
Waste Industries - Red Rock Disposal (WA023)
Francine Judd
7130 New Landfill Drive
Holly Springs, NC 27540
Phone :[phone]
Fax: [phone]
10-Feb-17 16:31
10-Feb-17 14:58
Date Logged In:
Date Received:John C King
John C KingLogged In By:
Received By:
Work Order Comments:
C-313 received at 0.5°C
COC/Labels AgreeProper Containers ReceivedContainers Properly PreservedContainers Intact Y Y Y Y
Custody Seals Intact Volatile Containers Preserved Volatile Containers Headspace Free Aqueous Samples Checked for Residual Cl
All Samples in PreLog Received
Y N N N
N
Received On Ice Y
Temperature Corrected Y
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: 1239-643817.300
Sampling Event Date: February 10, 2017
Review Date: February 24, 2017 Initials: MG
Report #: CZ01592
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
MG COC was properly signed by all parties.

MG Correct project name and number are on the form.

MG Sample receipt condition at laboratory was acceptable.

MG 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

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

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

MG Laboratory analyzed at least one internal blank for each method, where
applicable.

MG Laboratory blank is interference-free.

MG Surrogate recoveries are provided for each analytical method, where applicable.

MG Surrogate recoveries for each method are within the acceptable limits (i.e., at
least 50% of the surrogates were within range).

MG MS/MSD/LCS data results are provided for each analytical method.

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

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

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

GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL
LABORATORY DATA REVIEW
Page 3 of 4
5.0 DATA REPORTING

MG All analytical reporting associated with the event was performed by the
contracted lab.

MG 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.

MG 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.

MG The report provides the reporting limit for each constituent.

MG 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.

 Mercury (NC SWSL = 0.2 ug/L)
• MW-3 @ 3.04 ug/L
• MW-3 Dissolved @ .212 ug/L

MG 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.

 Mercury (NC 2L = 2 ug/L)
• MW-3 @ 3.04 ug/L

MG 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).

MG Other report issues/Communications with laboratory/etc.:
GOLDER ASSOCIATES INC. QUALITY ASSURANCE & QUALITY CONTROL
LABORATORY DATA REVIEW
Page 4 of 4

Sample MW-4 not submitted for analysis.

APPENDIX C
STATISTICAL EVALUATION WORKSHEETS & SUMMARY TABLES

Caption Text
March 2017 1 of 1 1239-643816.100
G:\PROJECTS\Waste Industries\Wake Reclamation\Groundwater\WQMR\2016 Dec\Stats\Wake Stats Summary Dec 2016.xls
MW-5 MW-6As
Interwell Nonparametric
Prediction Limit 1.04
MW-2 Intrawell Upper Tolerance
Limit 5.34
Interwell
Nonparametric
Prediction Limit 0.262
MW-3 Intrawell
Upper Tolerance
Limit 2.18
Interwell
Nonparametric
Prediction Limit 3780
MW-5 Intrawell
Upper Tolerance
Limit 57467
Interwell
Upper Prediction
Limit 165
MW-2 Intrawell
Upper Tolerance
Limit 593
MW-4 Intrawell
Upper Tolerance
Limit 4211
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
6. * = dissolved concentration
7. ( ) = verification event concentration
Summary of Statistical Analysis
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina
Downgradient Monitoring Wells and Concentrations
2.11Berylliumug/L
Detected Monitoring
Constituent/Analytes Statistical Evaluation Method
December 2016
0.757 J
ug/LIron
ND NDMercuryug/L 0.281
ND
152 19.6 J
753
382 4280
2.97
(3.04)
Manganese ug/L
18100
79.7
ND 2100
Reporting Units
Prediction
Interval
0.212*
MW-2 MW-4MW-3
0.599 J
ND
1.564.25

APPENDIX D
SOIL AND STREAM SEDIMENT DATA
Caption Text
Guidance for Developing Eco-SSLs November 20032 - 9
Table 2.3. Mean Reported Soil Metal Background Concentrations (mg/kg dry weight) by State*AluminumAntimonyArsenicBariumBerylliumCadmiumChromiumCobaltCopperIronManganeseNickelLeadSeleniumSilverVanadiumZincAlabama 23100 3.6 4.7 200 0.6 30.6 4.4 9.6 11950 420 11 9.3 0.3 38 26
Arkansas 33429 1.2 9.7 336 0.9 53.1 12 17 19857 731 18 21 0.7 52 39
Arizona 32933 1.4 9.6 364 1.0 0.4 37.3 9.9 23 20787 447 23 16 0.4 0.5 42 51
California 75633 0.8 5.1 598 1.1 0.4 119.9 14 39 36867 640 48 26 0.2 0.8 118 113
Colorado 61557 1.1 6.7 662 1.4 41.7 6.8 21 23048 343 13 31 0.4 74 87
Connecticut 85000 4.1 400 0.5 40.0 7.5 15 17500 450 13 5.0 0.8 60 40
Delaware 22500 1.0 1.4 400 0.5 30.0 3.3 5.0 7500 85 6.0 15 0.3 20 23
Florida 9944 0.9 3.0 48 0.6 0.1 15.4 1.6 5.6 3705 86 8.5 12 0.3 0.5 11 12
Georgia 38250 1.0 5.0 232 0.6 32.4 6.9 21 16976 252 17 19 0.4 43 47
Iowa 64667 1.0 7.3 617 1.3 64.7 11 31 23278 603 26 19 0.4 97 57
Idaho 58500 1.0 6.4 757 1.1 52.1 12 28 32000 580 22 22 0.3 90 83
Illinois 48714 1.1 7.1 551 0.7 48.4 9.8 24 19159 646 19 39 0.5 62 67
Indiana 50000 1.0 7.5 500 0.7 46.8 10 27 21364 518 18 18 0.4 74 56
Kansas 61818 1.1 6.8 694 1.0 49.0 8.9 25 18788 452 17 32 0.4 77 67
Kentucky 54123 1.0 7.8 349 1.1 79.8 11 17 30432 483 23 16 0.5 66 35
Louisiana 42188 1.0 7.6 441 0.6 60.8 8.6 33 19688 470 33 16 0.7 76 55
Massachusetts 34083 1.0 8.6 203 1.3 0.2 39.5 7.8 16 19000 439 13 13 1.9 87 54
Maryland 39167 1.2 3.8 393 1.3 47.9 7.5 20 28571 291 13 22 0.2 63 39
Maine 65385 1.0 9.4 319 1.6 71.2 10 28 45385 581 30 19 0.7 98 80
Michigan 10964 1.3 4.2 127 0.7 0.9 13.8 4.6 12 10520 230 12 9.2 0.3 0.5 44 33
Minnesota 49457 1.0 5.5 571 0.7 0.3 25.4 7.2 20 19581 583 14 9.9 0.3 72 38
Missouri 42094 1.0 10 499 1.0 50.0 12 19 24733 940 20 23 0.5 72 53
Mississippi 45368 1.0 8.8 390 0.9 53.2 12 20 19684 471 21 18 0.5 68 45
Montana 70938 1.1 8.8 739 1.1 63.3 7.5 29 27766 366 20 14 0.4 101 69
Nebraska 59474 1.0 5.5 711 1.1 32.5 5.9 15 16000 306 15 16 0.4 62 54
North Carolina 60105 1.0 4.8 356 0.6 64.8 15 34 37053 563 24 17 0.4 107 56
North Dakota 62857 1.0 7.0 682 0.9 53.2 6.9 23 25357 530 20 13 0.4 83 64
New Hampshire 66667 4.4 500 2.3 0.6 18.4 5.3 12 33333 633 10 28 0.3 57 23
New Jersey 10075 1.4 7.0 54 0.3 0.3 13.9 1.7 14 11632 221 3.8 35 0.9 30 22
New Mexico 54423 1.0 5.9 727 1.0 55.5 8.8 21 20898 367 28 18 0.3 72 44
Nevada 66078 1.0 9.0 822 1.3 36.8 8.4 25 22725 481 15 25 0.3 78 69
New York 58800 1.0 6.4 666 1.4 0.2 66.9 9.1 36 38900 418 21 20 0.3 132 82
Ohio 54615 12 469 1.0 55.0 13 28 27308 550 25 23 0.6 88 69
Oklahoma 39200 1.0 7.0 430 1.1 46.0 7.1 16 19320 465 15 18 0.3 50 50
Oregon 94412 1.2 5.1 682 0.9 121.6 16 53 50147 725 23 15 0.3 168 70
Pennsylvania 63438 1.0 13 366 1.4 52.8 15 37 36063 609 24 23 0.5 80 81
Rhode Island 100000 3.5 500 0.5 50.0 10 15 30000 500 15 15 0.9 70 30
South Carolina 39143 3.9 151 1.4 21.4 3.5 16 12500 87.1 7.8 5.0 0.3 45 25
South Dakota 74333 1.3 8.5 1043 1.4 58.7 7.7 29 25667 1013 28 16 0.5 108 75
Tennessee 31894 0.7 16 193 0.8 0.2 40.3 14 17 28479 1112 18 23 0.6 1.2 49 57
Texas 41958 1.1 6.4 404 0.9 39.6 5.3 15 16328 303 12 14 0.3 52 39
Utah 45638 1.1 8.0 493 0.9 45.6 6.6 26 18830 371 13 35 0.3 70 96
Virginia 60438 1.2 5.1 436 0.9 54.3 9.7 33 27750 441 17 36 0.4 77 233
Vermont 56667 3.6 333 1.7 66.7 12 18 30000 800 25 20 0.4 70 43
Washington 66834 1.0 4.5 606 0.9 0.8 49.9 18 31 42635 760 23 14 0.3 0.7 160 78
Wisconsin 48000 1.0 4.4 543 2.0 40.3 7.7 12 15667 365 14 12 0.3 48 44
West Virginia 67000 1.3 8.6 360 1.0 46.0 14 22 28500 770 23 17 0.5 65 60
Wyoming 56125 1.1 6.5 756 0.7 47.9 8.3 21 25250 416 16 17 0.5 84 57
* Summary of background soil concentration data provided as Attachment 1-4.
March 2017 1 of 1 1239643816.100
G:\PROJECTS\Waste Industries\Wake Reclamation\Groundwater\WQMR\2016 Dec\Tables\Wake Recovery Tables Dec 2016.xlsx
NURE
Record ID Lab ID
Collection
Date Datum Latitude Longitude Medium Source Units Manganese
5286678 C-110278 08/31/76 NAD27 35.5422 -78.5658 Sediment Stream ppm 146
5287365 C-110316 08/18/76 NAD27 35.8045 -78.3756 Sediment Stream ppm 417
5286695 C-110773 09/01/76 NAD27 35.5581 -78.3999 Sediment Stream ppm 197
5287324 C-110862 08/16/76 NAD27 35.7000 -78.7678 Sediment Stream ppm 1960
5286702 C-126931 09/01/76 NAD27 35.5894 -78.3977 Sediment Stream ppm 43
5286747 C-126932 09/03/76 NAD27 35.6603 -78.4434 Sediment Stream ppm 691
5286756 C-126961 09/04/76 NAD27 35.6324 -78.3184 Sediment Stream ppm 199
5286769 C-143268 09/03/76 NAD27 35.7755 -78.2779 Sediment Stream ppm 739
5287342 C-143434 08/17/76 NAD27 35.6118 -78.7266 Sediment Stream ppm 339
5286764 C-143678 09/04/76 NAD27 35.6349 -78.2528 Sediment Stream ppm 320
5286773 C-143910 09/03/76 NAD27 35.7508 -78.2965 Sediment Stream ppm 275
5287357 C-210806 08/17/76 NAD27 35.7271 -78.5137 Sediment Stream ppm 555
5287322 C-210808 08/16/76 NAD27 35.7249 -78.7786 Sediment Stream ppm 938
Average 525
Notes:
1. NURE = National Uranium Resource Evaluation
2. ID = identification
3. ND = non-detect
4. Inorganic analysis performed by ICP40.
5. ppm = parts per million
6. Sample locations are within 25 miles of the Henderson County MSW Landfill
7. Source of data is the United States Geological Survey National Geochemical Survey Database.
APPENDIX D
USGS National Geochemical Survey Database Summary
Brownfield Road Construction and Demolition Landfill, Permit No. 92-31
Wake County, North Carolina

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