4103_GreensboroMSWLF_GWMR_DIN27822_20160418

White Street Landfill – Phase II
Permit No. 41-03
Assessment Monitoring April 2016
Greensboro, North Carolina
S&ME Project No. 1584-98-081C
Prepared for:
The City of Greensboro
Prepared by:
S&ME, Inc.
8646 W Market St, Suite 105
Greensboro, NC 27409
June 23, 2016
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Table of Contents
1.0 Executive Summary...............................................................................................1
Groundwater Quality....................................................................................................................................1
Volatile Organic Compounds:.............................................................................................................1
Inorganic Constituents (Metals):.........................................................................................................1
Surface Water Quality...................................................................................................................................2
Additional Assessment Activities...............................................................................................................2
2.0 Introduction............................................................................................................3
3.0 Scope Of Work.......................................................................................................3
4.0 Methods Employed...............................................................................................3
4.1 Monitoring Well Sampling..............................................................................................3
4.2 Statistical Analysis of Data..............................................................................................4
4.2.1 Software...............................................................................................................................4
4.2.2 Statistical Methods-Groundwater Analyses.......................................................................5
4.3 Stream Sampling...............................................................................................................5
5.0 Results......................................................................................................................6
5.1 Groundwater Analytical Results....................................................................................6
5.1.1 Phase II Appendix I Assessment Monitoring .....................................................................6
Volatile Organic Compounds..............................................................................................................6
Metals......................................................................................................................................................6
5.2 Hydraulic Conductivity...................................................................................................7
5.3 Groundwater Flow Direction and Rate.........................................................................7
5.4 Surface Water....................................................................................................................8
5.5 Quality Assurance............................................................................................................8
6.0 CAP Monitoring Activities..................................................................................9
Additional Groundwater Quality Monitoring ..........................................................................................9
Sentinel Monitoring Wells and NES Well II-9...................................................................................9
MNA Monitoring ..................................................................................................................................9
Assessment Well II-3B ........................................................................................................................10
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7.0 References.............................................................................................................10
8.0 Certification..........................................................................................................11
Appendices
Tables
Figures
Appendix I – Groundwater Sampling Field Data Sheets
Appendix II – Laboratory Analytical Reports
Appendix III – CAP Monitoring Laboratory Analytical Reports and Summary Tables
White Street Landfill - Phase II (Permit # 41-03)
Water Quality Monitoring Report
Greensboro, North Carolina
S&ME Project No. 1584-98-081C
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1.0 Executive Summary
Between April 18 and April 20, 2016, twelve monitoring wells and five stream locations which monitor the
Phase II portion of the White Street Landfill were sampled as part of the routine semi-annual monitoring
program. Monitoring wells II-1, II-2, II-3, II-4A, II-5, II-6, II-7, II-7B, II-8, II-12, MW-13 and MW-14 comprise
the groundwater monitoring system for the Phase II solid waste disposal area of the landfill. Monitoring
well MW-13 serves as a background well for both the Phase I and the Phase II areas. Monitor well MW-14
serves as a background well for Phase II. All sampling was conducted according to North Carolina Solid
Waste Management Guidelines. Samples were analyzed by a North Carolina certified laboratory. Samples
collected from the Phase II area were submitted for analysis using the North Carolina Appendix I
assessment monitoring list. Samples from surface water locations SW-1, SW-2, SW-3, SW-4, and SW-5
were analyzed for the federal Appendix I constituents.
Groundwater Quality
During the April 2016 compliance monitoring event, the following NCAC 2L groundwater quality
standards (2L Standards) were exceeded.
Volatile Organic Compounds:
♦Benzene was detected at concentrations of 1.4 µg/L in compliance well II-3. The 2L Standard is set
at 1 µg/L.
♦1,4-Dichlorobenzene was detected at a reported concentration of 7.9 µg/L in compliance well II-1.
The 2L Standard is set at 6 µg/L.
♦1,1-Dichloroethane was detected at a concentrations of 9.5 µg/L and 12 µg/L at compliance wells
II-2 and II-3 respectively, which exceed the 2L Standard set at 6 µg/L.
♦Tetrachloroethene was detected at a concentration of 1.4 µg/L at compliance well II-2, which
exceeds the 2L Standard set at 0.7 µg/L.
♦Vinyl chloride was detected at 4.2 µg/L at compliance well II-2 and 1.6 µg/L at sentinel well SMW-
3, these concentrations are greater than the 2L Standard set at 0.03 µg/L.
Inorganic Constituents (Metals):
Groundwater analytical results indicate inorganic constituent’s cobalt and vanadium were detected in one
or more wells with concentrations greater than the Interim Maximum Allowable Concentration (IMAC),
while cadmium and vanadium concentrations were greater than the corresponding 2L Standards. S&ME
previously prepared an Alternate Source Demonstration (ASD) for metals at the Facility. The ASD
demonstrated that arsenic, cadmium, cobalt, and vanadium were naturally occurring in the in-situ soil at
the Facility and at sufficient concentrations within the soil to influence groundwater quality. Based on the
results of the ASD, the detection of these metals at concentrations above the IMAC values or 2L Standards
was not likely due to a release by the Facility, but instead may be attributed to the natural occurrence of
these metals in the native, residual soil. This finding is also supported by time vs concentration plots for
these groundwater constituents, which evidence relatively stable concentrations over time.
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Surface Water Quality
No volatile organic compounds were detected at the sampled locations. Several inorganic constituents
were reported in one or more of the samples collected. Based on the sampled locations and the reported
concentrations, the compounds detected in the surface water samples likely stem from up-stream, off-site
sources.
Additional Assessment Activities
During 2010, monitoring well II-3B was installed down-gradient of well II-3, to assess groundwater quality
conditions down-gradient of well II-3; however, at a point prior to reaching the compliance boundary. For
the groundwater sample collected at well II-3B during April 2016, the analytical results report no volatile
organic compounds were detected at concentrations that exceed the corresponding 2L Standards. This is
the 10
th monitoring event to indicate that the portion of the landfill monitored by well II-3B is currently in
compliance with applicable groundwater quality standards. The detection of concentrations greater than
the 2L Standards at well II-3 reflects the close proximity of this well to the limits of waste. It is our opinion
that the analytical data for well II-3 is informative; however, the proximity of well II-3B to the compliance
boundary makes it is a better indicator of groundwater compliance in accordance with the permit.
A Corrective Action Plan (CAP) was prepared by S&ME and approved by the North Carolina Department
of Environmental Quality (NCDEQ) for Phase II of the White Street Landfill. The CAP includes
phytoremediation coupled with Monitored Natural Attenuation (MNA) to restore groundwater quality.
CAP related groundwater monitoring activities completed contemporaneously with the April 2016 water
quality monitoring event included:
♦Collection and analysis of groundwater samples from each of the three CAP specified sentinel
monitoring wells, SMW-1, SMW-3, and SMW-4. The April 2016 analytical results for volatile
organic compounds indicated that the CAP specified cleanup goals have been achieved at
sentinel wells SMW-1 and SMW-4. At sentinel well SMW-3 the estimated concentration for vinyl
chloride was greater than the CAP specified cleanup goal.
♦Monitoring wells II-7, II-7B, and II-1 function as both routine compliance monitoring wells and
CAP sentinel monitoring wells. The April 2016, groundwater analytical results for monitoring wells
II-7 and II-7B indicated that volatile organic compound concentrations at these points met the
CAP specified cleanup goals. Only monitoring well II-1 exhibited groundwater quality which does
not meet the CAP specified cleanup goals, the 2L Standards.
♦Groundwater samples were obtained from a select group of monitoring wells utilized to evaluate
the MNA component of the CAP. The collected samples were analyzed in the field and/or in the
laboratory for MNA indicator parameters.
These CAP related items are briefly discussed in this report; however, these CAP monitoring activities and
associated findings will be discussed in greater detail in a separate report.
White Street Landfill - Phase II (Permit # 41-03)
Water Quality Monitoring Report
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S&ME Project No. 1584-98-081C
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2.0 Introduction
White Street Landfill is a Solid Waste Management Facility (SWMF) located at the north end of White
Street in northeastern Greensboro. S&ME, Inc. (S&ME) was contracted by the City of Greensboro to
complete this Phase II Appendix II assessment/detection monitoring event. Phase II of the landfill is a
closed Municipal Solid Waste (MSW) landfill with an active Construction & Demolition (C&D) landfill piggy
backed on top, covered by Solid Waste Permit #41-03. Nine (9) down-gradient monitoring wells located
along the perimeter of the Phase II disposal area, one bedrock monitor well (II-7B), and one background
monitoring well (MW-13) located approximately 4,300 feet southwest of the Phase II area and up-gradient
monitor well (MW-14) were sampled. Five surface water samples were collected from North Buffalo Creek
and one of its tributaries in the vicinity of the Facility.
In addition to the routine semi-annual assessment monitoring program activities, groundwater samples
were collected and analyzed from the Corrective Action Plan sentinel monitoring wells SMW-1, SMW-3,
and SMW-4, and Nature and Extent Study (NES) monitoring well II-3B and II-9.
This report discusses the field procedures, field measurements, analytical results, and presents the
statistical evaluation results for the April 2016 water quality monitoring event.
3.0 Scope Of Work
To complete the scope of work, S&ME completed the following tasks:
♦Sampled 12 compliance monitoring wells and five surface water locations.
♦Sampled sentinel monitoring wells SMW-1, SMW-3, and SMW-4 and NES wells II-3B and II-9.
♦Obtained field values for pH, temperature, dissolved oxygen (DO), turbidity, oxidation-reduction
potential (ORP), and conductivity at each sample location.
♦Collected depth to water measurements during well purging to monitor drawdown.
♦Had the samples analyzed for the North Carolina Solid Waste Appendix I constituents by a North
Carolina certified laboratory, using State approved methods.
♦Had the surface water samples analyzed for the North Carolina Solid Waste Appendix I
constituents by a North Carolina certified laboratory, using State approved methods.
♦Had the sentinel monitoring wells and NES well samples analyzed for Appendix I constituents by a
North Carolina certified laboratory using State approved methods.
♦Prepare a groundwater contour map and calculated groundwater flow rates.
♦Prepared and submitted reports to the City of Greensboro and the NCDEQ.
4.0 Methods Employed
4.1 Monitoring Well Sampling
The groundwater monitoring well sampling took place between April 18 and April 20, 2016. The
monitoring well locations are shown on Figure 1. A representative from S&ME opened each well and
measured the static water level from the top edge of the PVC casing in wells. An electronic water level
indicator was used to obtain depth to water measurements. These data are summarized in Table 1. With
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dedicated MicroPurge™pumps previously installed in each well, the total well depth sounding data
reported for the sampling events completed during September 1997 and May 1998 were used to
determine the volume of water in the monitoring wells.
In accordance with the facility's approved Water Quality Monitoring Plan, wells II-1, II-2, II-3, II-4A, II-5, II-
6, II-7, II-7B, II-8, II-12, MW-13, and MW-14 were purged using the dedicated Micro Purge™pumps.
Sentinel monitoring wells SMW-1, SMW-3, and SMW-4 and NES wells II-9 and II-3B were also sampled
using dedicated Micro Purge™pumps. At each well, the purge rate and the drawdown of the water table
were monitored as an indicator of how much stress the purging placed on the aquifer. The purge rates
were calculated by recording the time required to fill a graduated cylinder. The purging flow rate was
approximately 100 milliliters/minute (ml/min.). During purging, the depth to water was periodically
monitored and recorded on the groundwater sampling field data sheets. For this sampling event, the
measured drawdown in the wells was generally less than 1 foot.
The purge water from the monitoring wells was monitored in the field for pH, temperature, DO, ORP, and
conductivity using a flow-through cell and multi-meter. Typically, a sample was collected when three
consecutive readings for each individual field parameter fluctuated by no more than 10 percent, between
each equipment volume. The target stabilization goal of less than 10% change was generally reached
prior to collection of the groundwater samples. Turbidity was measured separately, with field
measurements less than or equal to 10 NTUs, as a target criteria. Even with the use of low flow sampling
methods, turbidity values at some wells remained higher than the target criteria during purging.
Accordingly, some samples were collected based upon professional judgment without meeting the
turbidity goal. The field data collected during sampling was recorded on the groundwater sampling field
data sheets, which are included in Appendix I.
Groundwater samples were collected from the dedicated Teflon tubing at each of the wells with dedicated
well sampling pumps. Upon collection, each sample was placed in laboratory supplied containers, placed
in a cooler with ice, and placed under chain-of custody. The sampling technician wore nitrile gloves that
were changed between wells to minimize the possibility of cross contamination.
During the April 2016 event Phase II groundwater samples (II-1, II-2, II-3, II-4A, II-5, II-6, II-7, II-7B, II-8, II-
12, and MW-13) were analyzed for Appendix I constituents. Sentinel monitoring wells SMW-1, SMW-3,
SMW-4 and NES wells II-3B and II-9 were also analyzed for the Appendix I constituents. Analyses were
conducted by Environmental Conservation Laboratories, a North Carolina certified laboratory. Laboratory
Analytical Reports are attached in Appendix II.
4.2 Statistical Analysis of Data
4.2.1 Software
All data were analyzed using ChemStat 6.2 software package. An Excel file was used to input and create
the Data files based on the recent and historic laboratory data. The Excel file was then converted to .txt
tab delimited file for use by the ChemStat software. The following procedures were used to carry out the
statistical analyses of the compliance data for each constituent.
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4.2.2 Statistical Methods-Groundwater Analyses
In accordance with the NCDENR-Solid Waste Management Rules 15A NCAC 13B, Section 1632, historical
up-gradient and cross-gradient groundwater monitoring data collected from the background
groundwater monitoring wells that comprise the Subtitle D monitoring well system were pooled and the
analytical results were used to create a statistical baseline for statistically significant increases in
constituent concentrations.
For this sampling event the facility’s chemical database was updated. Taking into consideration that the
facility has been conducting the required Assessment Monitoring for an extended period of time and is
currently implementing corrective measures; the routine statistical analyses were not performed during
this event. The statistical methods routinely employed for this monitored unit are used to determine if a
statistically significant increase (SSI) in monitored constituents are suggested by the data set. If an SSI is
discovered and found to be valid, it would only trigger Assessment Monitoring; which is the monitoring
program currently employed at Phase II of the White Street Landfill. Statistical analysis of the data set was
last performed during the Fall of 2015 monitoring event and a full analysis of the data set is anticipated
for the Fall 2016 monitoring event.
For a number of years, groundwater obtained from compliance well II-4 exhibited relatively high turbidity,
despite the use of low-flow sampling methods. With the approval of NCDEQ, this well was replaced with
a new well shallow aquifer well named II-4A, installed during 2013. Given that the original and
replacement wells are relatively close together and since they monitor essentially the same portion of
surficial aquifer, the historic analytical data sets for II-4 and II-4A were combined for future statistical tests.
4.3 Stream Sampling
Surface water sampling took place on April 20, 2016. Four stream samples (SW-1, SW-3, SW-4, and SW-5)
were collected from North Buffalo Creek, which flows along the northwestern side of the White Street
Landfill. One surface water sample (SW-2) was collected from a tributary of North Buffalo Creek. The
locations of the stream samples are shown in Figure 2.
SW-1 was collected upstream from the landfill near the US Highway 29 Bridge. SW-2 was collected from
a southern tributary of North Buffalo Creek just before it joins the main creek west of the landfill entrance.
SW-3 was collected downstream of the North Buffalo Wastewater Treatment Plant outfall and upstream of
the landfill. SW-4 was collected downstream of the landfill at a USGS gauging station located on North
Buffalo Creek about three-quarters of a mile north of the landfill. SW-5 was collected from North Buffalo
Creek immediately downstream of the Phase II landfill disposal area.
The surface water samples were collected by immersing laboratory supplied containers in the water to be
sampled. After collection, the surface water samples were packed on ice and placed under chain-of-
custody. Stream samples SW-1, SW-2, SW-3, SW-4 and SW-5 were analyzed for Appendix I constituents.
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5.0 Results
5.1 Groundwater Analytical Results
5.1.1 Phase II Appendix I Assessment Monitoring
Wells II-1, II-2, II-3, II-4A, II-5, II-6, II-7, II-7B, II-8, MW-12, MW-13 and MW-14 comprise the monitoring
system for the Phase II area.Table 3 provides a summary of the Appendix I constituents detected in the
Phase II area groundwater monitoring wells during this event.Table 4 provides a summary of the
constituents and concentrations that appear to exceed corresponding NCAC 2L groundwater quality
standards (2L Standards) or corresponding Interim Maximum Allowable Concentrations (IMAC).Appendix
II contains the laboratory analytical reports of the April 2016 sampling event.
Volatile Organic Compounds
As summarized in Table 3, analytical results from the 12 Phase II monitoring wells indicate ten volatile
organic compounds were detected during the April 2016 sampling event, at one or more monitoring well
locations. Of the detected volatile organic compounds, the following 2L Standards were exceeded (see
Table 4).
♦Benzene was detected at concentrations of 1.4 µg/L in compliance well II-3. The 2L Standard is set
at 1 µg/L.
♦1,4-Dichlorobenzene was detected at a reported concentration of 7.9 µg/L in compliance well II-1.
The 2L Standard is set at 6 µg/L.
♦1,1-Dichloroethane was detected at a concentrations of 9.5 µg/L and 12 µg/L at compliance wells
II-2 and II-3 respectively, which exceed the 2L Standard set at 6 µg/L.
♦Tetrachloroethene was detected at a concentration of 1.4 µg/L at compliance well II-2, which
exceeds the 2L Standard set at 0.7 µg/L.
♦Vinyl chloride was detected at 4.2 µg/L at compliance well II-2 and 1.6 µg/L at sentinel well SMW-
3, these concentrations are greater than the 2L Standard set at 0.03 µg/L.
Metals
As summarized in Table 3, analytical results for samples collected from Phase II groundwater monitoring
wells report detections of antimony, arsenic, barium, cadmium, chromium, cobalt, copper, nickel, silver,
vanadium, and zinc at one or more monitoring well locations during the April 2016 sampling event. Each
of the reported concentrations of these inorganic constituents was below their corresponding 2L Standard
or IMAC value with the exception of arsenic, cadmium, cobalt, and vanadium.
Arsenic, cadmium, cobalt, and vanadium were detected in the groundwater samples collected from one or
more wells during this monitoring event. Several of these detections were either “J” flag estimated
concentrations or quantified concentrations exceed the corresponding IMACs, or with regards to
cadmium the 2L Standard. S&ME previously prepared an Alternate Source Demonstration (ASD) for
metals at the Facility. The ASD demonstrated that arsenic, cadmium, cobalt, and vanadium are naturally
occurring in the in-situ soil at the Facility and at sufficient concentrations within the soil to influence
groundwater quality. The reported concentrations of arsenic, cadmium, cobalt, and vanadium during the
White Street Landfill - Phase II (Permit # 41-03)
Water Quality Monitoring Report
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S&ME Project No. 1584-98-081C
June 23, 2016 7
April 2016 sampling event are less than the predicted groundwater concentrations calculated for these
metals using a default dilution attenuation factor (DAF). Accordingly, the detection of arsenic, cadmium,
cobalt, and vanadium above their respective IMAC values or 2L Standard may be attributed to the natural
occurrence of these metals in the native residual soil. This conclusion is in part supported by detection of
vanadium in background well MW-13 and trends observed from previously prepared time vs
concentration graphs.
5.2 Hydraulic Conductivity
In-situ hydraulic conductivity tests were performed by BPA Environmental and Associates Inc. (BPA) on
wells I-5, II-1, II-2, II-3, II-4, II-5 and MW-13 on February 2-5, 1996. The data from these tests yielded
hydraulic conductivity values ranging from 0.042 feet/day in II-5 to 0.380 feet/day in II-3. A complete
discussion of the test methods and calculations was presented in BPA’s February 1996 report “In-Situ
Hydraulic Conductivity Testing, White Street Landfill, Greensboro, North Carolina”. In situ hydraulic
conductivity tests were performed by HDR Engineering, Inc. on monitoring wells II-6, II-7, II-8 and MW-14
in the fall of 1995. In-situ hydraulic conductivity tests were performed by S&ME on monitoring well II-4A
in the fall of 2013. The hydraulic conductivity’s determined ranged from 0.221 feet/day at well II-6 to
2.353 feet/day in well II-8. These data were used to calculate groundwater flow velocities across the site.
5.3 Groundwater Flow Direction and Rate
The static water levels in the Phase II monitoring wells were measured during April 2016. The depth to
the water table ranged from 6.52 to 27.10 feet below the top of well casing on these dates. Groundwater
and well casing elevation data are presented in Table 1. A groundwater contour map was constructed
using the data collected during April 2016 and is presented as Figure 3. The groundwater gradient at
each well was calculated assuming a constant groundwater gradient along the flow line between adjacent
groundwater elevation contours or between the well and the nearest contour. Groundwater flow lines
were drawn through each well based upon the groundwater elevation data collected during this
monitoring event. The groundwater elevation data collected during this monitoring event indicates that
the groundwater beneath Phase II generally flows toward the northwest, toward Buffalo Creek. This is, in
general, consistent with the results from previous monitoring events.
Based on a variation of Darcy’s Law, the rate of groundwater movement within the regolith aquifer was
calculated at each monitoring well using the following equation:
V = Ki ÷ N Where V = velocity (ft/day)
K = hydraulic conductivity (ft/ft)
i = groundwater gradient (ft/ft)
n =effective porosity (dimensionless)
Calculated hydraulic conductivity and gradient values and estimated effective porosity values for each well
were used in the velocity calculations. The 20 percent effective porosity value is based on porosity and
specific yield versus grain size distribution relationships presented in Fetter (1988), and is typical of the
types of soils (predominantly silts and sandy silts) comprising the regolith at the landfill. The calculated
groundwater velocities ranged from 0.002 feet/day to 0.210 feet/day as summarized in Table 5.
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5.4 Surface Water
Five surface water samples were collected on April 20, 2016. The results of the laboratory analyses for
Appendix I constituents in the surface water samples are summarized in Tables 6 and 7.Table 6 provides
a summary of the constituent concentrations reported above the MDL for the surface water samples
collected. Concentrations reported between the MDL and the SWSL are considered estimated, thus
shown as a “J” flagged concentration.Table 7 provides a summary of the reported concentrations which
appear to exceed the corresponding 15A NCAC 2B Standard (2B Standard) for the NCDEQ Water Supply
(WS) classification. The following summarizes the plausible exceedances of the Water Supply 2B
Standards. The complete laboratory analytical report is included in Appendix II.
♦No 2B Standard exceedances.
Surface water sample locations SW-1 and SW-2 are up-stream of the facility. Similar constituents were
detected up-stream of the facility and down-stream, with constituent concentrations for the up-stream
samples generally greater than or equal to those reported for down-stream sample locations. Based on
the surface water analytical data obtained, this closed landfill is not believed to be the source of the
metals detected.
5.5 Quality Assurance
A qualitative review of the data was performed to verify that the detected concentrations in the laboratory
report were of known quality. A formal, quantitative data validation was not performed. Laboratory-
assigned data qualifiers were evaluated to verify that rejected or unsupportable data were not included in
the dataset. Quality control data provided in the laboratory reports were also reviewed. No rejected or
otherwise unacceptable quality data were reported from the laboratory.
A duplicate sample was collected from monitoring well II-8, as "Duplicate II,” and analyzed for the
Appendix I constituents. A comparison of the two datasets reveals that the detected compounds and the
concentrations reported for sample II-8 show good correlation with the duplicate sample results. This
finding suggests good method precision.
Each of the monitoring wells in Phase II were sampled using dedicated micro-purge pumps. Therefore, no
equipment rinse samples were collected for analyses. Trip blank samples accompanied the sample bottles
from the time they left the laboratory until they returned to the laboratory. The trip blank sample for the
April 2016 monitoring event was analyzed for Appendix II volatile organic constituents. Laboratory QC
samples were analyzed for all constituents included in this sampling event. The results of the duplicate,
trip blank, and laboratory QC sample analyses are included in Appendix II.
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Water Quality Monitoring Report
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6.0 CAP Monitoring Activities
Additional Groundwater Quality Monitoring
The following additional investigations were conducted contemporaneously with the April 2016, semi-
annual compliance monitoring event.
1.In accordance with the Corrective Action Plan (CAP) implemented for Phase II, groundwater
samples were collected at Sentinel monitoring wells SMW-1, SWM-3, SMW-4, and NES
monitoring well II-9 and submitted for laboratory analysis for Appendix I constituents.
2.In general accord with the CAP groundwater samples were collected at monitoring wells II-1, II-9,
SMW-3 and MW-14 and submitted for laboratory analysis using various analytical methods; to
measure certain monitored natural attenuation (MNA) indicator parameters.
3.To further assess groundwater quality in the region down-gradient of compliance well II-3, a
groundwater sample was collected at monitoring well II-3B and submitted for analysis for
Appendix I constituents.
The monitoring well locations are depicted on Figure 4. Complete laboratory reports are included in
Appendix III.
The following provides a brief summary of the analytical results.
Sentinel Monitoring Wells and NES Well II-9
No Appendix I volatile organic constituents were detected at Sentinel monitoring wells SMW-1 and SMW-
4. This finding suggests that the areas of concern represented by these well are compliant with the CAP
specified groundwater clean-up goals.
For this event no volatile organic compounds were detected with concentrations greater than the
corresponding 2L Standards at NES well II-9. Sentinel well SMW-3 is located along the estimated flow
path for shallow groundwater migrating from NES well II-9 toward the Compliance Boundary. Vinyl
chloride was detected at well SMW-3 with a concentration greater than the 2L Standard. Accordingly, the
analytical results for sentinel well SMW-3 suggest that the areas of concern represented by this well has
not achieved the CAP specified groundwater clean-up goals.
Tables III-1A, III-1B, III-1C, III-1D, III-1E contained in Appendix III, provides a summary of recent
Appendix I volatile organic constituent analytical results for wells SME-1, SMW-3, SMW-4 and II-9, as well
as II-7 and II-7B. The tables also summarize the data for the companion wells, located along the
individual groundwater flow path, between a sentinel well and limits of waste.
MNA Monitoring
MNA parameters were collected and measured in groundwater samples collected at wells II-1, II-9, and
SMW-3. The data collected is being complied and examined as indicator that MNA processes are
occurring in portions of the shallow aquifer monitored by these wells.Appendix III contains the analytical
report for the April 2016 MNA parameters; however, the MNA assessment will be presented and
discussed in detail in a future Corrective Action Evaluation Report.
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Water Quality Monitoring Report
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Assessment Well II-3B
No Appendix I volatile organic constituents were detected above the corresponding 2L Standards at
assessment well II-3B. Well II-3B is located along the estimated flow path for shallow groundwater
migrating from the landfill toward monitoring well II-3, and further down-gradient toward Buffalo Creek
and the compliance boundary. The analytical results for well II-3B confirm the prior groundwater quality
assessment findings. The data suggests that shallow groundwater migrating from well II-3, meets the
numeric 2L Standards value before shallow groundwater reaches the point of the compliance boundary.
Assessment well II-3B is located in a position that is a better measure of groundwater compliance for this
portion of the monitored unit, rather than the location of well II-3.Table 3 includes a summary of
Appendix I constituent analytical results for wells II-3 and II-3B, for this monitoring event.
7.0 References
Fetter, C. W., 1988, Applied Hydrogeology, New York; Macmillian Publishing Company, 1988, 592 pp.
North Carolina Administrative Code, Title 15A, Department of Environment, Health and Natural Resources,
Division of Environmental Management, Subchapter 2L, Classifications and Water Quality Standards
Applicable to the Groundwaters of North Carolina, Sections .0100, .0200, and .0300; from the
Environmental Management Commission Raleigh, North Carolina.
North Carolina Administrative Code, Title 15A, Department of Environment, Health and Natural Resources,
Division of Environmental Management, Subchapter 2B, Classifications and Water Quality Standards
Applicable to the Surface Waters of North Carolina, Section .0200; from the Environmental Management
Commission, Raleigh, North Carolina.
North Carolina Administrative Code, Title 15A, Department of Environment, Health and Natural Resources,
Division of Solid Waste Management, subchapter 13B, Solid Waste Management, Section .1600.
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S&ME Project No. 1584-98-081C
June 23, 2016 11
8.0 Certification
I hereby certify this 23
rd day of June 2016 that this report was prepared by me or under my direct
supervision.
______________________________
Edmund Q.B. Henriques, L.G.
Senior Geologist / Project Manager
Technical support provided by:
______________________________
Amanda Bloom
Staff Professional
Appendices
Tables
TABLE 1
WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA
PHASE 2 - PERMIT # 41-03
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
Well ID
Date
Installed Type
Total
Depth
Well
Diameter
Depth to
Top of
Screen
Well Screen
Interval Geology of Screened Northing Easting Ground Elevation
Top of
Casing
Elevation
Depth to
Groundwater1
Groundwater
Elevation
Interval NAD 83 NAD 83 NAVD 88 NAVD 88 April 2016 April 2016
(feet)(inches)(feet)(feet)(feet msl.)(feet msl.)(feet)(μs/cm)
II-1 7/14/1989 Compliance 25 2 15 15-25 water table aquifer 863027.3314 1787495.6766 not measured 702.78 15.34 687.44
II-2 7/14/1989 Compliance 34 2 24 24-34 water table aquifer 864184.3539 1788403.6364 not measured 704.59 18.82 685.77
II-2B 7/10/2007 NES 29 2 14 14-29 water table aquifer 864268.6031 1788403.4707 not measured 698.84 ---not sampled
II-3 7/14/1989 Compliance 33 2 23 23-33 water table aquifer 864245.1544 1789031.9589 not measured 699.37 16.16 683.21
II-3B 6/3/2011 NES 28 2 13 13-28 water table aquifer 864365.2295 1789116.1385 not measured 694.49 13.42 681.07
II-4A 8/13/2013 Compliance 28 2 13 13-28 water table aquifer 863581.7689 1789359.9497 not measured 707.25 8.42 698.83
II-5 7/14/1989 Compliance 29 2 19 19-29 water table aquifer 863032.9389 1789345.4003 not measured 722.01 6.52 715.49
II-6 7/14/1989 Compliance 20 2 7.5 7.5-20 water table aquifer 862513.6388 1787002.3258 not measured 704.39 10.69 693.70
II-7 7/14/1989 Compliance 28 2 12.5 12.5-27.5 water table aquifer 863701.8380 1787823.6893 not measured 697.75 13.38 684.37
II-7B 12/11/2000 NES 104 2 90.7 90.7-103.5 bedrock aquifer 863703.7309 1787839.3286 not measured 700.86 17.2 683.66
II-8 7/14/1989 Compliance 35 2 20 20-35 water table aquifer 861207.1750 1786938.1186 not measured 717.76 9.43 708.33
II-9 3/21/2005 NES 25 2 10 10-25 water table aquifer 863924.1830 1787952.6658 not measured 696.78 9.95 686.83
II-10 3/21/2005 NES 23 2 9 9-24 water table aquifer 863511.6877 1787802.3724 not measured 703.78 ---not sampled
II-11 3/22/2005 NES 27 2 12 12-27 water table aquifer 864183.7253 1788058.432 not measured 701.63 ---not sampled
II-12 3/22/2005 NES 20 2 5 5-20 water table aquifer 862084.6402 1786802.0936 not measured 699.80 10.77 689.03
SMW-1 7/8/2010 CAP 18 2 8 8-18 water table aquifer 864374.8279 1788376.0728 not measured 692.87 8.83 684.04
SMW-3 7/8/2010 CAP 25 2 10 10-25 water table aquifer 863983.9035 1787857.4169 not measured 694.16 9.72 684.44
SMW-4 7/8/2010 CAP 24 2 9 9-24 water table aquifer 862512.4617 1786835.2747 not measured 697.43 7.20 690.23
MW-13 7/14/1989 Background 34 2 19 19-34 water table aquifer 858763.9106 1783188.5206 not measured 741.24 19.30 721.94
MW-14 7/14/1989 Background 35 2 20 20-35 water table aquifer 859453.8757 1788632.2264 not measured 786.65 27.10 759.55
City of Greensboro provided the top of casing elevations and ground surface elevations
Well Construction details obtained from Well Construction Records reported by BPA Environmental & Engineering, Inc.
feet bgs. = feet below ground surface
feet msl. = feet mean sea level
Depth to Groundwater
1= below top of casing
Groundwater Elevation = calculated groundwater elevation
T:\Projects\1998\ENV\081C White Street Landfill (2014)\2016 Compliance Monitoring\Spring 2016\Phase 2\Phs2_April_2015_Tables.xlsx
TABLE 2
SUMMARY OF GROUNDWATER SAMPLING FIELD PARAMETERS
PHASE 2 - PERMIT # 41-03
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
DATE WELL WELL TOC DEPTH TO WATER ODOR PURGE PUMP WELL EVAC PURGED TEMP pH SPEC ORP DO Ferrous TURBIDITY
ID DEPTH ELEV.WATER ELEVATION METHOD RATE VOLUME VOLUME DRY?COND Iron
(feet)(feet msl.)(feet)(feet msl.)(mL/min) (gallons)(liters)(yes/no) (deg C)(SU)(μs/cm)(mV-NHE) (mg/L)(mg/L)(NTU)
4/18/2016 II-1 25 702.78 15.34 687.44 None low flow 190 1.57 5.0 no 15.86 6.29 2.838 21 0.54 ---5.77
4/19/2016 II-2 29 704.59 18.82 685.77 None low flow 100 1.66 3.0 no 20.67 6.41 1.047 32 3.70 ---1.00
4/20/2016 II-3 30 699.37 16.16 683.21 None low flow 92 2.26 5.5 no 15.36 5.66 0.477 142 2.26 ---19.80
4/20/2016 II-3B 25 694.49 13.42 681.07 None low flow 100 1.89 3.5 no 13.64 5.90 0.563 126.1 0.51 ---4.22
4/19/2016 II-4A 30 707.25 8.42 698.83 None low flow 100 3.52 3.0 no 18.94 5.96 1.747 89 4.04 ---1.03
4/19/2016 II-5 16 722.01 6.52 715.49 None low flow 100 1.55 6.5 no 19.78 6.22 0.567 63 3.17 ---16.90
4/19/2016 II-6 17 704.39 10.69 693.70 None low flow 100 1.03 4.0 no 17.26 5.98 0.365 102.9 4.90 ---9.81
4/19/2016 II-7 27 697.75 13.38 684.37 None low flow 100 2.22 3.5 no 20.43 5.54 0.542 214 4.19 ---2.89
4/20/2016 II-7B 101 700.86 17.2 683.66 None low flow 100 13.66 6.0 no 18.30 9.37 0.493 -78.1 0.50 ---5.21
4/19/2016 II-8 32.5 717.76 9.43 708.33 None low flow 100 3.76 6.0 no 20.86 6.10 3.691 118 0.26 ---3.35
4/18/2016 II-9 32.5 696.78 9.95 686.83 None low flow 200 3.68 10.0 no 16.46 5.57 0.289 139 0.29 ---5.46
4/19/2016 II-12 22.8 699.80 10.77 689.03 None low flow 100 1.96 9.0 no 14.61 6.46 0.851 -78 0.18 ---32.80
4/20/2016 SMW-1 15 692.87 8.83 684.04 None low flow 100 1.01 4.0 no 13.32 5.40 0.237 130.9 0.31 ---6.1
4/18/2015 SMW-3 32.5 694.16 9.72 684.44 None low flow 180 3.71 8.0 no 17.70 6.38 0.665 50 0.25 0.50 12.35
4/18/2016 SMW-4 20.5 697.43 7.20 690.23 None low flow 170 2.17 6.0 no 15.95 6.23 1.141 111 0.30 ---3.52
4/20/2016 MW-13 33 741.24 19.30 721.94 None low flow 100 2.23 3.0 no 16.29 6.36 0.323 135.0 6.18 ---2.01
4/18/2016 MW-14 34 786.65 27.10 759.55 None low flow 190 1.12 7.5 no 17.52 4.90 0.038 266 8.48 0.03 7.52
Notes:
1. TEMP = groundwater temperature, measured in degrees Celsius
2. Pump Rate, measured in milliliters/minute
3. SPEC COND = Specific Conductance, measured in μs/cm indicates micro Siemens per centimeter.
4. SU indicates Standard Units.
5. NTU indicates Nephelometric Turbidity Units.
6. ORP = Oxidation Reduction Potential, mV-NHE indicates millivolts-Normal Hydrogen Electrode.
7. EVAC = evacuated volume of groundwater
8. DO = dissolved oxygen, measured in milligrams per liter
T:\Projects\1998\ENV\081C White Street Landfill (2014)\2016 Compliance Monitoring\Spring 2016\Phase 2\Phs2_April_2015_Tables.xlsx
NC SWSL NCAC 2L NCDENR Federal
Well ID II-1 II-2 II-3 II-3B II-4A II-5 II-6 II-7 II-7B II-8 II-9 II-12 MW-13 MW-14 SWM-1 SMW-3 SMW-4 Standards IMAC MCLs
Sample ID 4301-II1 4301-II2 4301-II3 4301-II3B 4301-II4A 4301-II5 4301-II-6 4301-II7 4301-II-7B 4103-II8 4103-II9 4103-II12 4103-MW13 4103-MW14 410-SMW1 410-SMW3 410-SMW4
Date Collected 04/18/16 04/19/16 04/20/16 04/20/16 04/20/16 04/19/16 04/19/16 04/19/16 04/20/16 04/19/16 04/18/16 04/19/16 04/20/16 04/18/16 04/20/16 04/18/16 04/18/16
Detected Analytes (ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)
75 1,1-Dichloroethane 0.46 J 9.5 12 0.90 J 0.95 J <0.13 <0.13 <0.13 1.2 J <0.13 0.42 J <0.13 <0.13 <0.13 <0.13 5.5 <0.13 5 6 --NS
69 1,2-Dichlorobenzene 0.55 J <0.21 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 5 20 ns 600
71 1,4-Dichlorobenzene 7.9 2.5 <0.19 <0.19 1.0 <0.19 0.72 J <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 1 6 --75
16 Benzene 0.78 J <0.15 1.4 <0.15 0.57 J <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 1 1 --5
39 Chlorobenzene 3.3 0.87 J <0.17 <0.17 2.5 J <0.17 0.73 J <0.17 <0.17 2.0 J <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 3 50 --100
78 cis-1,2-Dichloroethene <0.15 21 1.1 J <0.15 0.82 J <0.15 <0.15 <0.15 <0.15 <0.15 0.83 J <0.15 <0.15 <0.15 <0.15 12 <0.15 5 70 --70
192 Tetrachloroethene <0.17 1.4 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 0.44 J <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 1 0.7 --5
201 Trichloroethene <0.15 2.0 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 1 3 --5
458 Tertrahydrofuran 7.1 <0.80 <0.80 <0.80 1.4 <0.80 <0.80 <0.80 50 7.0 <0.80 <0.80 <0.80 <0.80 <0.80 <0.80 <0.80 NS NS NS NS
211 Vinyl Chloride <0.32 4.2 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 <0.32 1.6 <0.32 1 0.03 --2
NC SWSL NCAC 2L NCDENR Federal
Well ID II-1 II-2 II-3 II-3B II-4A II-5 II-6 II-7 II-7B II-8 II-9 II-12 MW-13 MW-14 SWM-1 SMW-3 SMW-4 Standards IMAC MCLs
Sample ID 4301-II1 4301-II2 4301-II3 4301-II3B 4301-II4A 4301-II5 4301-II-6 4301-II7 4301-II-7B 4103-II8 4103-II9 4103-II12 4103-MW13 4103-MW14 410-SMW1 410-SMW3 410-SMW4
Date Collected 04/18/16 04/19/16 04/20/16 04/20/16 04/20/16 04/19/16 04/19/16 04/19/16 04/20/16 04/19/16 04/18/16 04/19/16 04/20/16 04/18/16 04/20/16 04/18/16 04/18/16
Detected Analytes (ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)
13 Antimony <0.220 <0.220 0.282 J <0.220 <0.220 0.239 J <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 6 NS 1 6
14 Arsenic 11.6 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 10 10 ---0.010
15 Barium 351 51.1 J 230 172 166 149 96.6 J 124 11.0 J 159 63.9 J 396 91.3 J 13.6 J 108 209 153 100 700 --2,000
34 Cadmium <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 4.25 <0.360 <0.360 1 2 --5
51 Chromium <1.40 <1.40 3.14 J <1.40 <1.40 1.82 J <1.40 <1.40 <1.40 <1.40 <1.40 5.50 J <1.40 <1.40 <1.40 <1.40 9.98 J 10 10 --100
53 Cobalt 35.5 <1.10 11.2 1.42 J <1.10 16.4 5.77J <1.10 <1.10 2.42 J 18.7 7.80 J <1.10 <1.10 30.7 2.10 J 1.77 J 10 NS 1 NS
54 Copper 1.67 J <1.60 3.18 J <1.60 <1.60 <1.60 2.62 J <1.60 2.00 J 2.04 J 27.0 4.03 J <1.60 <1.60 7.69 J 2.49 J <1.60 10 1000 --1,300
152 Nickel 23.9 J <2.20 13.1 J 6.70 J 33.5 J 6.73 J 7.26 J 5.39 J <2.20 51.8 10.4 J 13.2 J <2.20 <2.20 5.16 J <2.20 6.36 J 50 100 ---NS
184 Silver <1.90 <1.90 4.60 J <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 10 20 --100
209 Vanadium <1.40 3.04 J <1.40 <1.40 2.76 J 2.82 J 1.75 J <1.40 3.07 J 3.75 J <1.40 14.9 J 4.66 J <1.40 2.25 J 5.60 J <1.40 25 NS 0.3 NS
213 Zinc <4.40 <4.40 <4.40 <4.40 <4.40 13.7 9.56 J <4.40 <4.40 <4.40 350 9.19 J 15.1 <4.40 588 39.2 4.50 J 10 1,000 --5,000
ug/L =concentrations reported in micrograms per liter (ug/L)
< = concentration is less than the method detection limit
NC SWSL =North Carolina Solid Waste Section Limit
J =Parameters are estimated values between the detection limit and the NC SWSL.
JB =analyte detected in method blank and at a concentrations between the detection limit and the NC SWSL
NCAC 2L Standards =15A North Carolina Administrative Code 2L .0200, Groundwater Quality Standards for Class GA groundwater
NCDEQ IMAC = North Carolina Interim Maximum Allowable Concentration
Federal MCL = Federal Maximum Concentration Limit
highlighted cells indicate detected concentration
concentrations in bold exceed the NCAC 2L standard or IMAC
NS = No Standard
NA = constituent not analyzed
Appendix I Volatile Organic Compounds
Solid
Waste
Section
ID #
Appendix I Metals
Solid
Waste
Section ID
#
Sample Locations
Sample Locations
S&ME PROJECT NO. 1584-98-081C
TABLE 3
SUMMARY OF GROUNDWATER ANALYSES RESULTS - DETECTIONS
PHASE 2 - PERMIT # 41-03
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
T:\Projects\1998\ENV\081C White Street Landfill (2014)\2016 Compliance Monitoring\Spring 2016\Phase 2\Phs2_April_2015_Tables.xlsx
TABLE 4
SUMMARY OF GROUNDWATER STANDARD EXCEEDANCES
PHASE 2 - PERMIT # 41-03
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
NCAC 2L NCDENR Federal
Well ID II-1 II-2 II-3 II-3B II-4A II-5 II-6 II-7B II-8 II-9 II-12 MW-13 SWM-1 SMW-3 SMW-4 Standards IMAC MCLs
Sample ID 4301-II1 4301-II2 4301-II3 4301-II3B4301-II4A 4301-II5 4301-II-64301-II-7B 4103-II8 4103-II9 4103-II124103-MW13410-SMW1 410-SMW3 410-SMW4
Date Collected 04/18/16 04/19/16 04/20/16 04/20/16 04/20/16 04/19/16 04/19/16 04/20/16 04/19/16 04/18/16 04/19/16 04/20/16 04/20/16 04/18/16 04/18/16
Detected Analytes (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L)(ug/L)(ug/L)(ug/L)
75 1,1-Dichloroethane 9.5 12 6 --NS
71 1,4-Dichlorobenzene 7.9 6 --75
16 Benzene 1.4 1 --5
192 Tetrachloroethene 1.4 0.7 --5
211 Vinyl Chloride 4.2 1.6 0.03 --2
NCAC 2L NCDENR Federal
Well ID II-1 II-2 II-3 II-3B II-4A II-5 II-6 II-7B II-8 II-9 II-12 MW-13 SWM-1 SMW-3 SMW-4 Standards IMAC MCLs
Sample ID 4301-II1 4301-II2 4301-II3 4301-II3B4301-II4A 4301-II5 4301-II-64301-II-7B 4103-II8 4103-II9 4103-II124103-MW13410-SMW1 410-SMW3 410-SMW4
Date Collected 04/18/16 04/19/16 04/20/16 04/20/16 04/20/16 04/19/16 04/19/16 04/20/16 04/19/16 04/18/16 04/19/16 04/20/16 04/20/16 04/18/16 04/18/16
Detected Analytes (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L)(ug/L)(ug/L)(ug/L)
14 Arsenic 11.6 10 ---0.010
34 Cadmium 4.25 2 --5
53 Cobalt 35.5 11.2 1.42 J 16.4 5.77J 2.42 J 18.7 7.80 J 30.7 2.10 J 1.77 J NS 1 NS
209 Vanadium 3.04 J 2.76 J 2.82 J 1.75 J 3.07 J 3.75 J 14.9 J 4.66 J 2.25 J 5.60 J NS 0.3 NS
ug/L = concentrations reported in micrograms per liter (ug/L)
NCAC 2L Standards = 15A North Carolina Administrative Code 2L .0200, GW Quality Standards for Class GA groundwater.
Concentration greater than the NCAC 2L Standards are shown in bold
NCDEQ IMAC = Interim Maximum Allowed Concentration, NCDEQ
Federal MCL = Maximum Concentration Levels, USEPA
NS = no MCL listed by USEPA, or no NCAC 2L Standard
Solid
Waste
Section
ID #
Sample Locations
Appendix I Volatile Organic Compounds
Solid
Waste
Section
ID #
Sample Locations
Appendix I Metals (totals)
T:\Projects\1998\ENV\081C White Street Landfill (2014)\2016 Compliance Monitoring\Spring 2016\Phase 2\Phs2_April_2015_Tables.xlsx
PHASE 2 - PERMIT # 41-03
Well No.Hydraulic Porosity Gradient Groundwater
Conductivity Velocity
(K = feet/day)(n = %)(I = feet/foot) (V= feet/day)
II-1 0.119 0.2 0.028 0.017
II-2 0.329 0.2 0.021 0.034
II-3 0.380 0.2 0.013 0.025
II-4A 0.295 0.2 0.029 0.043
II-5 0.042 0.2 0.020 0.004
II-6 0.221 0.2 0.010 0.011
II-7 1.077 0.2 0.030 0.163
II-8 2.353 0.2 0.020 0.235
MW-14 0.740 0.2 0.020 0.074
SMW-1 0.858 0.2 0.009 0.037
SMW-3 0.630 0.2 0.022 0.068
SMW-4 0.469 0.2 0.019 0.046
Notes: Hydraulic Conductivity's from slug test data by BPA Environmental & Engineering Inc.
HDR Engineering, S&ME Inc.
Porosity values from published literature, based on soil types
Gradients are based upon groundwater elevation data from this monitoring event
Velocity calculated using V = KI/n
TABLE 5
GROUNDWATER VELOCITY DATA
PHASE II - WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081
T:\Projects\1998\ENV\081C White Street Landfill (2014)\2016 Compliance Monitoring\Spring 2016\Phase 2\Phs2_April_2015_Tables.xlsx
NC SWSL NCAC 2B
Sample Location SW-1 SW-2 SW-3 SW-4 SW-5 Standards
Sample ID 4103-SW1 4103-SW2 4103-SW3 4103-SW4 4103-SW5
Date Collected 04/20/16 04/20/16 04/20/16 04/20/16 04/20/16
Detected Analytes
(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)
NC SWSL NCAC 2B
Sample Location SW-1 SW-2 SW-3 SW-4 SW-5 Standards*
Sample ID 4103-SW1 4103-SW2 4103-SW3 4103-SW4 4103-SW5
Date Collected 04/20/16 04/20/16 04/20/16 04/20/16 04/20/16
Detected Analytes (µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)
13 Antimony <0.220 <0.220 <0.220 0.424 J 0.261 J 6 5.6
15 Barium 113 46.3 J 47.5 J 31.0 J 35.4 J 100 1000
51 Chromium 14.6 <1.40 6.73 J <1.40 <1.40 10 no standard
53 Cobalt 7.38 J <1.10 4.32 J 1.66 J 2.10 J 10 no standard
54 Copper 21.2 <1.60 10.8 2.56 J 4.07 J 10 no standard
131 Lead 14.6 <3.10 6.10 J <3.10 <3.10 10 no standard
152 Nickel 5.60 J <2.20 5.02 J 8.54 J 2.88 J 50 25
209 Vanadium 26.9 <1.40 12.0 J 2.13 J 3.04 J 25 no standard
213 Zinc 111 <4.40 95.5 31.5 44.7 10 no standard
< = concentrations is less than the method detection limit shown
NC SWSL = North Carolina Solid Waste Section Limit
J =Concentration reported greater than the method detection limit but less than the SWSL, thus it is considered estimated
* = Title 15A NCAC 2B Standards for all Water Supply Classifications
S&ME PROJECT NO. 1584-98-081C
TABLE 6
SUMMARY OF SURFACE WATER ANALYSES RESULTS - DETECTIONS
PHASE 2 - PERMIT # 41-03
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
Appendix I Volatile Organic Compounds
Solid
Waste
Section
ID #
Sample Locations
Appendix I Metals (totals)
Solid
Waste
Section
ID #
Sample Locations
Sample Location SW-1 SW-2 SW-3 SW-4 SW-5 NCAC 2B
Sample ID 4103-SW1 4103-SW2 4103-SW3 4103-SW4 4103-SW5 Standards*
Date Collected 04/20/16 04/20/16 04/20/16 04/20/16 04/20/16
Detected Analytes (µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(ug/L)
ug/L = concentrations reported in micrograms per liter (ug/L)
< = concentrations is less than the method detection limit shown
NC SWSL = North Carolina Solid Waste Section Limit
Appendix I Volatile Organics and Metals (totals)
TABLE 7
SUMMARY OF 2B SURFACE WATER STANDARD EXCEEDANCES
PHASE 2 - PERMIT # 41-03
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
No NCAC 2B Standard* Exceedances
Detected
Solid
Waste
Section
ID #
Figures
S
M
W
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4
S
M
W
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3
S
M
W
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1
SITE BASE MAP
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
AS SHOWN DSB/RDM EQBH
1584-98-081B OCTOBER 2013 1
PHASE II
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PHASE II WHITE STREET LANDFILL GREENSBORO, NORTH CAROLINA AS SHOWNDSB/RDMLE 1584-98-081DECEMBER 20072 SURFACE WATER SAMPLING LOCATIONS 0 800 400 800 SCALE: 1" = 800'

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GROUNDWATER FLOW MAP
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
AS SHOWN DSB/RDM SC
1584-98-081C MAY 2016 3
PHASE II
SURFACE WATER SAMPLING POINTGROUNDWATER ELEVATION MONITORING WELL LOCATIONGROUNDWATER FLOW DIRECTIONGROUNDWATER CONTOUR LINE 2 LEGEND:
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OFF-SITE PROPERTY OWNED BYTHE CITY OF GREENSBORO
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DETAILED SITE MAP
WHITE STREET LANDFILL
GREENSBORO, NORTH CAROLINA
AS SHOWN DSB/RDM EQBH
1584-98-081C MAY 2016 4
PHASE II
0 GRAPHIC SCALE200100200SCALE: 1" = 200'OFF-SITE PROPERTY OWNED BY GROUNDWATER CONTOUR LINE MONITORING WELL LOCATIONTHE CITY OF GREENSBORO LEGEND:PROPERTY OFTHE CITY OF GREENSBORO
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STREAM SAMPLE LOCATION WASTE BOUNDARY (APPROXIMATE)
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Appendix I – Groundwater Sampling Field Data Sheets
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
9.66 feet
Purge Method
Sample Method Start 1215 Stop 1310
Purge Rate ml/min
Control Settings On: 3.0 sec.Start 1310 Stop 1320
Off: 27.0 sec.
Pressure: 30 psi
2" well:
height:9.66 x .163 =1.57458
gallons liters x
Yes No x
*Stabilization Parameters
Ferrous Iron = 2.38 mg/L
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1215 4/18/2016 18.92 6.29 2.908 39 9.77 54.60 15.86
1220 4/18/2016 16.54 6.31 2.823 56.0 4.95 189.00 16.03
1225 4/18/2016 16.30 6.27 2.799 59.3 2.27 164.00 16.17
1230 4/18/2016 15.45 6.28 2.754 49.3 2.62 65.10 16.33
1235 4/18/2016 15.60 6.23 2.754 49.3 2.62 65.10 16.33
1240 4/18/2016 15.70 6.29 2.787 38.0 1.26 43.70 16.42
1245 4/18/2016 15.88 6.29 2.789 34.0 1.00 27.00 16.45
1250 4/18/2016 15.71 6.30 2.754 29.3 0.81 17.92 16.48
1255 4/18/2016 15.72 6.29 2.813 26.5 0.64 11.40 16.48
1300 4/18/2016 15.85 6.29 2.823 24.2 0.60 8.47 16.58
1305 4/18/2016 15.86 6.30 2.830 22.4 0.51 7.89 16.60
1310 4/18/2016 15.86 6.29 2.838 20.9 0.54 5.77 16.63
Final Readings 1310 4/18/2016 15.86 6.29 2.838 21 0.54 5.77 16.63
* C units mS/cm mV mg/L NTU
Sample Collection Time
Was well purged dry
Field Analyses
Volume of water in well
Volume of water removed 5.0
190
Height of water column:
Bladder Pump
Depth to water from measuring point:15.34
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Depth to well bottom from measuring point:
Bradley Keyse
55 Minutes
Monday, April 18, 2016
25.00
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
White Street Landfill
1584-98-081
4103-II1
Monday, April 18, 2016
1320
Sunny
83 *F
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
10.18 feet
Purge Method
Sample Method Start 1730 Stop 1800
Purge Rate ml/min
Control Settings On: 2.0 sec.Start 1800 Stop 1805
Off: 28.0 sec.
Pressure: 26 psi
2" well:
height:10.18 x .163 =1.65934
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1730 4/19/2016
1735 4/19/2016 19.31 6.75 1.032 36.9 4.96 1.86 19.52
1740 4/19/2016 20.51 6.56 1.011 30.2 4.52 1.43 19.46 7%
1745 4/19/2016 20.78 6.57 1.022 27.4 4.46 0.93 19.46
1750 4/19/2016 20.52 6.57 1.036 28.4 4.17 0.64 19.42
1755 4/19/2016 20.57 6.57 1.041 30.4 3.79 0.73 19.42
1800 4/19/2016 20.67 6.41 1.047 31.7 3.70 1.01 19.41
Final Readings 1800 4/19/2016 20.67 6.41 1.047 32 3.70 1.00 19.41
* C units mS/cm mV mg/L NTU
Depth to well bottom from measuring point:29.00
Height of water column:
Tuesday, April 19, 2016
30 Minutes
Tuesday, April 19, 2016
White Street Landfill
1584-98-081
4103-II2
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
Depth to water from measuring point:18.82
1805
Sunny
83 *FBradley Keyse
Bladder Pump
100
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Sample Collection Time
Was well purged dry
Field Analyses
Volume of water in well
Volume of water removed 3.0
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 810 Stop 905
Purge Rate ml/min
Control Settings On: 2.5 sec.Start 905 Stop 910
Off: 27.5 sec.
Pressure: 25 psi
2" well:
height:13.84 x .163 =2.25592
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
810 4/20/2016
815 4/20/2016
820 4/20/2016 14.67 5.16 0.473 150 5.06 30.0 16.26
825 4/20/2016 14.88 5.73 0.476 134.8 3.33 41.9 16.22
830 4/20/2016 14.90 5.7 0.476 135.8 2.89 43.6 16.22
835 4/20/2016
840 4/20/2016 15.01 5.66 0.474 140.4 2.32 29.7 16.26
845 4/20/2016 15.09 5.66 0.476 140.6 2.37 29.3 16.23
850 4/20/2016 15.11 5.66 0.477 140.7 2.36 24.7 16.22
855 4/20/2016 14.95 5.66 0.476 141.9 2.30 22.2 16.24
900 4/20/2016 15.13 5.66 0.477 143.6 2.27 22.3 16.24
905 4/20/2016 15.36 5.66 0.477 141.5 2.26 19.8 16.24
Final Readings 905 4/20/2016 15.36 5.66 0.477 142 2.26 19.80 16.24
* C units mS/cm mV mg/L NTU
Was well purged dry
Field Analyses
Volume of water in well
Volume of water removed 5.5
30.00
Height of water column:13.84
Bladder Pump
92 Sample Collection Time
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Cleaned out the flow through cell at 0833 due to iron bacteria
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
White Street Landfill
1584-98-081
4103-II3
Wednesday, April 20, 2016
910
Sunny
64 *FBradley Keyse
Depth to water from measuring point:16.16
55 Minutes
Wednesday, April 20, 2016
Depth to well bottom from measuring point:
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 700 Stop 735
Purge Rate ml/min
Control Settings On: 3.0 sec.Start 735 Stop 740
Off: 27.0 sec.
Pressure: 23 psi
2" well:
height:11.58 x .163 =1.88754
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
700 4/20/2016
705 4/20/2016 13.90 7.08 0.563 119 11.80 1.07 13.58
710 4/20/2016 13.84 5.76 0.564 151.1 3.02 1.12 13.65
715 4/20/2016 13.76 5.72 0.564 145.0 1.76 0.75 13.71
720 4/20/2016 13.64 5.78 0.564 1355.0 0.9 0.80 13.72
725 4/20/2016 13.65 5.81 0.564 132.4 0.73 1.68 13.76
730 4/20/2016 13.63 5.86 0.563 128.5 0.58 4.89 13.77
735 4/20/2016 13.64 5.90 0.563 126.1 0.51 4.22 13.80
Final Readings 735 4/20/2016 13.64 5.90 0.563 126 0.51 4.22 13.80
* C units mS/cm mV mg/L NTU
Depth to water from measuring point:13.42
GROUNDWATER SAMPLING FIELD DATA
White Street Landfill Wednesday, April 20, 2016
1584-98-081 35 Minutes
4103-II3B Wednesday, April 20, 2016
740
Sunny
Bradley Keyse 59 *F
Water Level & Well Data
Depth to well bottom from measuring point:25.00
Height of water column:11.58
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Bladder Pump
100 Sample Collection Time
Volume of water in well
Volume of water removed 3.5
Was well purged dry
Field Analyses
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 1630 Stop 1700
Purge Rate ml/min
Control Settings On: 3.0 sec.Start 1700 Stop 1705
Off: 27.0 sec.
Pressure: 23 psi
2" well:
height:21.58 x .163 =3.51754
,liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1630 4/19/2016
1635 4/19/2016 19.22 6.08 1.756 126.0 4.94 5.97 8.61
1640 4/19/2016 19.06 5.94 1.750 120.8 4.24 2.90 8.63
1645 4/19/2016 19.08 5.96 1.750 111.3 4.67 1.82 8.61
1650 4/19/2016 18.92 5.98 1.750 103.5 4.61 1.00 8.61
1655 4/19/2016 18.88 5.70 1.748 93.9 4.20 2.29 8.60
1700 4/19/2016 18.94 5.96 1.747 89.1 4.04 1.03 8.63
Final Readings 1700 4/19/2016 18.94 5.96 1.747 89 4.04 1.03 8.63
* C units mS/cm mV mg/L NTU
Tuesday, April 19, 2016
21.58
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
1705
Overcast
85 *F
White Street Landfill
1584-98-081
4103-II4A
Bradley Keyse
Volume of water in well
30 Minutes
Tuesday, April 19, 2016
Measuring point:Top of Casing
Depth to water from measuring point:8.42
Depth to well bottom from measuring point:30.00
Height of water column:
Bladder Pump
100 Sample Collection Time
Well Purging & Sample Collection
Bladder Pump Purge Time
Was well purged dry
Field Analyses
Volume of water removed 3.0
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 1500 Stop 1605
Purge Rate ml/min
Control Settings On: 2.0 sec.Start 1605 Stop 1610
Off: 28.0 sec.
Pressure: 15 psi
2" well:
height:9.48 x .163 =1.54524
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1500
1505
1510 4/19/2016 20.03 6.27 0.656 52.8 4.05 17.20 7.10
1515 4/19/2016 20.45 6.22 0.555 58.7 3.09 13.90 7.21
1520 4/19/2016 20.66 6.27 0.482 59.3 3.37 13.90 7.40
1525 4/19/2016 20.62 6.26 0.473 60.2 3.38 16.30 7.52
1530 4/19/2016 20.26 6.25 0.464 62.0 2.63 17.10 7.62
1535 4/19/2016 20.5 6.24 0.482 61.4 2.59 18.90 7.70
1540 4/19/2016 20.56 6.24 0.493 61.1 2.20 19.30 7.76
1545 4/19/2016 20.06 6.23 0.518 61.5 2.40 17.10 7.78
1550 4/19/2016 20.06 6.21 0.531 62.5 2.89 17.10 7.88
1555 4/19/2016 20.38 6.21 0.545 62.1 3.12 15.90 7.88
1600 4/19/2016 20.28 6.22 0.558 62.1 3.15 15.20 796
1605 4/19/2016 19.78 6.22 0.567 63.1 3.17 16.90 7.98
Final Readings 1605 4/19/2016 19.78 6.22 0.567 63 3.17 16.90 7.98
* C units mS/cm mV mg/L NTU
Was well purged dry
Field Analyses
Volume of water in well
Volume of water removed 6.5
Height of water column:9.48
Bladder Pump
100 Sample Collection Time
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Depth to water from measuring point:6.52
65 Minutes
Tuesday, April 19, 2016
Depth to well bottom from measuring point:16.00
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
White Street Landfill
1584-98-081
4103-II5
Tuesday, April 19, 2016
1610
Overcast
85 *FBradley Keyse
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
Water Level & Well Data
feet
feet
feet
Purge Method
Sample Method Start 1050 Stop 1130
Purge Rate ml/min
Control Settings On: 25.0 sec.Start 1130 Stop 1135
Off: 27.5 sec.
Pressure: 15 psi
2" well:
height:6.31 x .163 =1.02853
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1050
1055 4/19/2016 17.23 6.59 0.812 81.7 6.19 10.91 11.42
1100 4/19/2016 17.09 6.38 0.595 99.6 6.41 10.51 11.62
1105 4/19/2016 16.91 6.25 0.435 112.3 6.13 8.38 11.74
1110 4/19/2016 16.99 6.12 0.358 119.4 5.57 9.31 11.91
1115 4/19/2016 16.99 6.02 0.358 120.9 5.04 9.91 12.10
1120 4/19/2016 16.93 5.98 0.315 117.9 5.01 10.33 12.20
1125 4/19/2016 17.17 5.97 0.334 110.6 5.05 9.14 12.28
1130 4/19/2016 17.26 5.98 0.365 102.9 4.90 9.81 12.32
Final Readings 1130 4/19/2016 17.26 5.98 0.365 103 4.90 9.81 12.32
* C units mS/cm mV mg/L NTU
Was well purged dry
Field Analyses
Volume of water in well
Volume of water removed 4.0
100 Sample Collection Time
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Depth to well bottom from measuring point:17.00
Height of water column:6.31
Bladder Pump
1135
Sunny
79 *FBradley Keyse
Depth to water from measuring point:10.69
GROUNDWATER SAMPLING FIELD DATA
White Street Landfill
1584-98-081
4103-II6
Tuesday, April 19, 2016
40 Minutes
Tuesday, April 19, 2016
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
At approx 1300 hrs, we switched the well cap from II-7 to II-7b to fix the broke quick disconnect fitting on the incoming air line on the original II-7b well cap
feet
feet
feet
Purge Method
Sample Method Start 1335 Stop 1455
Purge Rate ml/min
Control Settings On: 4 sec.Start 1455 Stop 1500
Off: 26 sec.
Pressure: 52 psi
2" well:
height:83.8 x .163 =13.6594
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1355 4/20/2016
1400 4/20/2016
1405 4/20/2016 18.51 8.19 0.481 64.7 5.89 1.49 18.08
1410 4/20/2016 18.23 8.70 0.487 35.4 2.35 2.24 18.62
1415 4/20/2016 18.30 8.95 0.490 1.7 1.38 5.48 18.96
1420 4/20/2016 18.33 9.14 0.493 -29.9 0.90 7.49 19.34
1425 4/20/2016 18.26 9.23 0.494 -44.1 0.71 7.75 19.76
1430 4/20/2016 18.28 9.28 0.495 -55.3 0.68 7.51 19.93
1435 4/20/2016 18.42 9.10 0.495 -62.7 0.58 8.28 20.10
1440 4/20/2016 18.39 9.34 0.495 -70.7 0.57 7.56 20.28
1445 4/20/2016 18.25 9.36 0.495 -74.6 0.56 6.39 20.42
1450 4/20/2016 18.18 9.36 0.494 -76.1 0.53 5.47 20.56
1455 4/20/2016 18.3 9.37 0.493 -78.1 0.50 5.21 20.72
Final Readings 1455 4/20/2016 18.30 9.37 0.493 -78.1 0.50 5.21 20.72
* C units mS/cm mV mg/L NTU
Was well purged dry
Field Analyses
Volume of water in well
Volume of water removed 6.0
Height of water column:83.80
Bladder Pump
Approx 40 (see the note below)Sample Collection Time
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Depth to water from measuring point:17.20
60 Minutes
Wednesday, April 20, 2016
Depth to well bottom from measuring point:101.00
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
White Street Landfill
1584-98-081
4103-II7b
Wednesday, April 20, 2016
1500
Sunny
76 *FBradley Keyse
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 1355 Stop 1430
Purge Rate ml/min
Control Settings On: 3.0 sec.Start 1430 Stop 1435
Off: 27.0 sec.
Pressure: 21 psi
2" well:
height:13.62 x .163 =2.22006
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1355
1400 4/19/2016 22.18 5.96 0.528 167 5.86 5.52 13.92
1405 4/19/2016 21.61 5.66 0.580 187.4 4.57 3.22 13.97
1410 4/19/2016 21.48 5.59 0.618 198.0 3.92 1.54 14.07
1415 4/19/2016 21.30 5.6 0.604 203.5 4.05 1.65 14.11
1420 4/19/2016 21.22 5.58 0.59 205.2 4.02 2.21 14.13
1425 4/19/2016 21.17 5.58 0.561 209.2 4.10 2.26 14.15 209.2
1430 4/19/2016 20.43 5.54 0.542 214.3 4.19 2.89 14.16
415
1420
1425
1430
1435
1440
1445
1450
145
Final Readings 1430 4/19/2016 20.43 5.54 0.542 214 4.19 2.89 14.16
* C units mS/cm mV mg/L NTU
GROUNDWATER SAMPLING FIELD DATA
White Street Landfill
1584-98-081
4103-II7
1435
Sunny
64 *F
Water Level & Well Data
Tuesday, April 19, 2016
35 Minutes
Tuesday, April 19, 2016
Depth to well bottom from measuring point:27.00
Height of water column:13.62
Bradley Keyse
Depth to water from measuring point:13.38
Measuring point:Top of Casing
Well Purging & Sample Collection
Blader Pump Purge Time
Field Analyses
Volume of water in well
Volume of water removed 3.5
Blader Pump
100 Sample Collection Time
Was well purged dry
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 915 Stop 1015
Purge Rate ml/min
Control Settings On: 2.6 sec.Start 1015 Stop 1020
Off: 27.4 sec.
Pressure: 25 psi
Note: Duplicate II taken at this location. (0700 hrs)
2" well:
height:23.07 x .163 =3.76041
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
915 4/19/2016
920 4/19/2016 18.86 6.32 3.568 41.1 3.89 9.21 9.60
925 4/19/2016 18.86 6.25 3.764 19.0 1.63 4.64 9.62
930 4/19/2016 18.92 6.40 3.684 17.7 1.48 2.05 9.68
935 4/19/2016 19.00 6.23 3.700 21.7 1.09 3.11 9.68
940 4/19/2016 19.16 6.21 3.699 35.0 0.72 2.17 9.68
945 4/19/2016 19.66 6.20 3.691 46.8 0.61 2.20 9.65
950 4/19/2016 19.93 6.20 3.691 56.6 0.51 2.46 9.71
955 4/19/2016 20.38 6.19 3.691 72.4 0.39 3.03 9.71
1000 4/19/2016 20.95 6.19 3.688 90.5 0.34 3.01 9.68
1005 4/19/2016 20.99 6.19 3.694 100.7 0.32 3.21 6.62
1010 4/19/2016 20.89 6.19 3.694 110.2 0.27 3.38 6.66
1015 4/19/2016 20.86 6.18 3.691 117.5 0.26 3.35 6.68
Final Readings 1015 4/19/2016 20.86 6.10 3.691 118 0.26 3.35 6.68
* C units mS/cm mV mg/L NTU
Was well purged dry
Field Analyses
Volume of water in well
Volume of water removed 6.0
Height of water column:23.07
Blader Pump
100 Sample Collection Time
Measuring point:Top of Casing
Well Purging & Sample Collection
Blader Pump Purge Time
Depth to water from measuring point:9.43
60 Minutes
Tuesday, April 19, 2016
Depth to well bottom from measuring point:32.50
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
White Street Landfill
1584-98-081
4103-II8
Tuesday, April 19, 2016
1020
Sunny
71 *FBradley Keyse
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 1350 Stop 1445
Purge Rate ml/min
Control Settings On: 3.5 sec.Start 1445 Stop 1455
Off: 26.5 sec.
Pressure: 30 psi
2" well:
height:22.55 x .163 =3.67565
gallons liters x
Yes No x
*Stabilization Parameters
Ferrous Iron = 1.47 mg/L ( 1,470 ug/L) [Collected with Metals Bottle a 0820 hrs]
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1350
1400 4/18/2016 18.23 6.44 0.458 178.6 3.94 15.60 10.52
1405 4/18/2016 17.07 5.78 0.335 218.5 1.49 47.00 10.58
1410 4/18/2016 16.66 5.61 0.276 232.2 0.78 65.80 10.71
1415 4/18/2016 16.40 5.56 0.250 234.5 0.99 62.20 10.96
1420 4/18/2016 16.20 5.52 0.253 209.6 0.74 20.00 11.09
1425 4/18/2016 16.26 5.50 0.261 185.6 0.44 10.07 11.41
1430 4/18/2016 16.18 5.51 0.267 172.7 0.46 7.34 11.52
1435 4/18/2016 16.39 5.53 0.274 160.8 0.37 6.78 11.70
1440 4/18/2016 16.90 5.55 0.282 148.3 0.34 5.62 11.90
1445 4/18/2016 16.46 5.57 0.289 138.7 0.29 5.46 11.94
Final Readings 1445 4/18/2016 16.46 5.57 0.289 139 0.29 5.46 11.94
* C units mS/cm mV mg/L NTU
Depth to water from measuring point:9.95
GROUNDWATER SAMPLING FIELD DATA
White Street Landfill Monday, April 18, 2016
1584-98-081 55 Minutes
4103-II9 Monday, April 18, 2016
1455
Sunny
Bradley Keyse *F
Water Level & Well Data
Depth to well bottom from measuring point:32.50
Height of water column:22.55
Measuring point:Top of Casing
Well Purging & Sample Collection
Blader Pump Purge Time
Blader Pump
200 Sample Collection Time
Volume of water in well
Volume of water removed 10.0
Was well purged dry
Field Analyses
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:No:x Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 930 Stop 1010
Purge Rate ml/min
Control Settings On: 2.5 sec.Start 1010 Stop 1015
Off: 27.5 sec.
Pressure: 20 psi
2" well:
height:6.17 x .163 =1.00571
Gallons Liters X
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
930 4/20/2016
935 4/20/2016 13.57 5.67 0.230 132.6 4.26 9.4 9.04
940 4/20/2016 13.47 5.05 0.237 158.4 1.77 54.4 9.07
945 4/20/2016 13.21 5.45 0.232 149.5 1.51 46.9 9.11 149.5
950 4/20/2016 13.16 5.25 0.232 141.2 0.98 20.3 9.14 141.2
955 4/20/2016 13.24 5.34 0.237 136.5 0.51 15.8 9.17
1000 4/20/2016 13.21 5.36 0.237 134.1 0.45 12.6 9.17
1005 4/20/2016 13.25 5.40 0.238 131.7 0.33 8.0 9.18
1010 4/20/2016 13.32 5.40 0.237 130.9 0.31 6.1 9.19
Final Readings 1010 4/20/2016 13.32 5.40 0.237 131 0.31 6.10 9.19
* C units mS/cm mV mg/L NTU
Volume of water in well
Volume of water removed 4.0
Was well purged dry
Field Analyses
Well Purging & Sample Collection
Blader Pump Purge Time
Blader Pump
100 Sample Collection Time
Depth to well bottom from measuring point:15.00
Height of water column:6.17
Measuring point:Top of Casing
Depth to water from measuring point:8.83
GROUNDWATER SAMPLING FIELD DATA
White Street Landfill Wednesday, April 20, 2016
1584-98-081 40 Minutes
4103-SMW-1 Wednesday, April 20, 2016
1015
Sunny
Bradley Keyse 68 *F
Water Level & Well Data
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:No:x Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 1515 Stop 1635
Purge Rate ml/min
Control Settings On: 3.5 sec.Start 1635 Stop 1645
Off: 26.5 sec.
Pressure: 30 psi
2" well:
height:22.78 x .163 =3.71314
gallons liters x
Yes No x
*Stabilization Parameters
Ferrous Iron = 0.50 mg/L
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1515 4/18/2016
1520 4/18/2016 19.53 6.34 0.580 63.1 6.59 11.32 9.87
1525 4/18/2016 18.07 6.40 0.666 42.0 1.72 12.77 9.92
1530 4/18/2016 17.44 6.39 0.679 39.5 0.70 13.60 9.98
1535 4/18/2016 17.38 6.37 0.687 38.7 0.50 13.10 10.02
1540 4/18/2016 17.29 6.41 0.686 37.1 0.45 36.90 10.04
1545 4/18/2016 17.41 6.42 0.684 35.7 0.37 23.70 10.07
1550 4/18/2016 17.58 6.42 0.683 34.9 0.33 38.10 10.10
1555 4/18/2016 17.28 6.42 0.676 35.9 0.28 150.00 10.12
1600 4/18/2016 17.42 6.41 0.673 40.1 0.25 649.00 10.12
1605 4/18/2016 17.29 6.41 0.675 48.0 0.23 141.00 10.14
1610 4/18/2016 17.40 6.39 0.655 50.5 1.47 40.80 10.14
1615 4/18/2016 17.34 6.40 0.666 45.5 0.64 17.80 10.16
1620 4/18/2016 17.28 6.40 0.675 44.2 0.36 13.80 10.17
1625 4/18/2016 17.15 6.40 0.671 45 0.67 13.10 10.18
1630 4/18/2016 17.01 6.38 0.667 49 0.24 13.20 10.17
1635 4/18/2016 17.70 6.38 0.665 50 0.25 12.35 10.12
Final Readings 1635 4/18/2016 17.70 6.38 0.665 50 0.25 12.35 10.12
* C units mS/cm mV mg/L NTU
Volume of water in well
Volume of water removed 8.0
Was well purged dry
Field Analyses
Well Purging & Sample Collection
Blader Pump Purge Time
Blader Pump
180 Sample Collection Time
32.50
Height of water column:22.78
Measuring point:Top of Casing
Cleaned the flow
through cell at
1608
Depth to water from measuring point:9.72
GROUNDWATER SAMPLING FIELD DATA
White Street Landfill Monday, April 18, 2016
1584-98-081 80 Minutes
4103-SMW-3 Monday, April 18, 2016
1645
Sunny
Bradley Keyse 83 *F
Water Level & Well Data
Depth to well bottom from measuring point:
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:No:x Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 1735 Stop 1810
Purge Rate ml/min
Control Settings On: 3 sec.Start 1810 Stop 1815
Off: 27 sec.
Pressure: 25 psi
2" well:
height:13.3 x .163 =2.1679
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1735 4/18/2016
1740 4/18/2016 17.92 6.38 0.968 130.1 3.56 9.41 7.40
1745 4/18/2016 16.86 6.13 1.110 125.6 1.03 6.94 7.46
1750 4/18/2016 16.42 6.19 1.141 115.4 0.55 4.89 7.48
1755 4/18/2016 16.22 6.23 1.146 111.0 0.37 7.17 7.51
1800 4/18/2016 16.29 6.26 1.145 108.1 0.35 4.70 7.55
1805 4/18/2016 16.04 6.26 1.143 109.0 0.32 5.89 7.55
1810 4/18/2016 15.95 6.23 1.141 110.9 0.30 3.52 7.56
Final Readings 1810 4/18/2016 15.95 6.23 1.141 111 0.30 3.52 7.56
* C units mS/cm mV mg/L NTU
Volume of water in well
Volume of water removed 6.0
Was well purged dry
Field Analyses
Well Purging & Sample Collection
Blader Pump Purge Time
Blader Pump
170 Sample Collection Time
Depth to well bottom from measuring point:20.50
Height of water column:13.30
Measuring point:Top of Casing
Depth to water from measuring point:7.20
GROUNDWATER SAMPLING FIELD DATA
White Street Landfill Monday, April 18, 2016
1584-98-081 35 Minutes
4103-SMW-4 Monday, April 18, 2016
1815
Sunny
Bradley Keyse 78 *F
Water Level & Well Data
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 705 Stop 835
Purge Rate ml/min
Control Settings On: 2.5 sec.Start 835 Stop 840
Off: 27.5 sec.
Pressure: 25 psi
2" well:
height:12.03 x .163 =1.96089
gallons x liters
Yes No x
8
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
705 4/18/2016
710 4/18/2016 12.86 6.38 0.661 -18.9 4.41 32.0 11.59
715 4/18/2016 12.98 6.22 0.686 -25.7 2.46 35.6 11.68
720 4/18/2016 12.87 6.21 0.721 -38.4 1.51 35.0 11.87
725 4/18/2016 12.74 6.20 0.734 -46.6 0.94 40.8 11.92
730 4/18/2016 12.71 6.21 0.739 -51.4 0.79 47.8 12.02
735 4/18/2016
750 4/18/2016 13.13 6.53 0.753 -52.9 2.11 44.9 12.51
755 4/18/2016 13.28 6.4 0.774 -65.5 0.45 47 12.57
800 4/18/2016 13.4 6.4 0.779 -70.0 0.39 39.5 12.62
805 4/18/2016 13.62 6.41 0.794 -73.6 0.33 43.6 12.64
810 4/18/2016 13.86 6.42 0.804 -75.3 0.31 34.4 12.74
815 4/18/2016 14.14 6.43 0.815 -76.9 0.25 33.4 12.71
820 4/18/2016 14.37 6.45 0.83 -78.9 0.23 34.5 12.72
825 4/18/2016 14.27 6.45 0.837 -79.2 0.2 31.6 12.75
830 4/18/2016 14.39 6.46 0.843 -78.8 0.2 31.1 12.74
835 4/18/2016 14.61 6.46 0.851 -78.3 0.18 32.8 12.77
Final Readings 835 4/19/2016 14.61 6.46 0.851 -78 0.18 32.80 12.77
* C units mS/cm mV mg/L NTU
GROUNDWATER SAMPLING FIELD DATA
White Street Landfill
1584-98-081
4103-II12
755
Sunny
68 *F
Water Level & Well Data
Tuesday, April 19, 2016
90 Minutes
Tuesday, April 19, 2016
Depth to well bottom from measuring point:22.80
Height of water column:12.03
Bradley Keyse
Depth to water from measuring point:10.77
Bladder Pump
100 Sample Collection Time
Was well purged dry
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Recalibrated ORP
Field Analyses
Volume of water in well
Volume of water removed 9.0
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 1305 Stop 1335
Purge Rate ml/min
Control Settings On: 3.0 sec.Start 1335 Stop 1340
Off: 27.0 sec.
Pressure: 30 psi
2" well:
height:13.7 x .163 =2.2331
gallons liters x
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1305 4/20/2016
1310 4/20/2016 17.28 6.71 0.411 110.5 8.68 2.81 19.44
1315 4/20/2016 16.56 6.53 0.380 120.0 7.60 1.90 19.55
1320 4/20/2016 16.36 6.26 0.362 138.8 7.13 1.64 19.70
1325 4/20/2016 16.29 6.20 0.340 143.1 6.67 1.85 19.80
1330 4/20/2016 16.3 6.31 0.328 137.6 6.23 2.05 19.85
1335 4/20/2016 16.29 6.36 0.323 135.0 6.18 2.01 19.86 6.36
Final Readings 1335 4/20/2016 16.29 6.36 0.323 135.0 6.18 2.01 19.86
* C units mS/cm mV mg/L NTU
Was well purged dry
Field Analyses
Volume of water in well
Volume of water removed 3.0
Height of water column:13.70
Bladder Pump
100 Sample Collection Time
Measuring point:Top of Casing
Well Purging & Sample Collection
Bladder Pump Purge Time
Depth to water from measuring point:19.30
30 Minutes
Wednesday, April 20, 2016
Depth to well bottom from measuring point:33.00
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
White Street Landfill
1584-98-081
4103-MW13
Wednesday, April 20, 2016
1340
Sunny
73 *FBradley Keyse
Location:Purge Date:
Project No.:Purge Time:
Source Well:Sample Date:
Sample Time:
Locked?:Yes:x No:Weather:
Sampled By:Air Temp:
feet
feet
feet
Purge Method
Sample Method Start 1035 Stop 1115
Purge Rate ml/min
Control Settings On: 3.0 sec.Start 1115 Stop 1125
Off: 27.0 sec.
Pressure: 28 psi
2" well:
height:6.9 x .163 =1.1247 mg/L
gallons liters x
6.5
Yes No x
*Stabilization Parameters
Time Date Temp pH Conductivity *ORP *D.O.*Turbidity DTW
1035
1045 4/18/16 18.08 8.79 0.038 207.7 8.46 3.88 21.26
100 4/18/16 17.84 5.28 0.038 254.4 10.01 2.21 21.27
1055 4/18/16 17.50 4.91 0.038 259.7 9.39 4.95 21.34
1100 4/18/16 17.41 4.88 0.038 263.2 9.32 3.28 21.38
1105 4/18/16 17.41 4.88 0.038 266.5 8.80 3.28 21.39
1110 4/18/16 17.57 4.90 0.038 265.8 8.59 2.59 21.41
1115 4/18/16 17.52 4.90 0.038 265.8 8.48 7.52 4.90
Final Readings 1115 4/18/16 17.52 4.90 0.038 266 8.48 7.52 4.90
* C units mS/cm mV mg/L NTU
0.03
Bradley Keyse
Measuring point:
Depth to well bottom from measuring point:
190
Top of Casing
Well Purging & Sample Collection
Bladder Pump
34.00
Purge Time
Sample Collection Time
Bladder Pump
Height of water column:6.90
GROUNDWATER SAMPLING FIELD DATA
Water Level & Well Data
Depth to water from measuring point:27.10
1125
Sunny
69 *F
White Street Landfill
1584-98-081
4103-MW14
Monday, April 18, 2016
40 Minutes
Monday, April 18, 2016
Field Analyses
Volume of water in well
Volume of water removed 7.5
Was well purged dry
Ferrous Iron:
Appendix II – Laboratory Analytical Reports
Appendix III – CAP Monitoring Laboratory Analytical Reports
and Summary Tables
TABLE VI-1A
SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
DETECTED VOLATILE ORGANIC COMPOUNDS
SELECT WELLS LOCATED WITHIN WHITE STREET LANDFILL - PHASE II
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
AOC II-2 Wells
Sample Locations
NC
SWSL NCAC 2L
Well ID II-2 II-2 II-2 II-2 II-2 II-2 II-2 II-2 II-2 II-2 II-2 II-2 II-2B II-2B II-2B SMW-1 SMW-1 SMW-1 SMW-1 SMW-1 SMW-1 SMW-1 SMW-1 SMW-1 SMW-1 SMW-1 SMW-1 Std.
Date Collected 4/1/10 10/6/10 5/10/11 10/12/11 10/31/12 4/30/13 4/30/13 4/24/14 10/3/14 4/15/15 10/5/15 4/19/16 1/14/10 4/29/10 8/3/10 8/2/10 10/11/10 10/7/11 4/19/12 10/25/12 5/3/13 9/17/13 4/24/14 10/7/14 4/15/15 10/7/15 4/19/16
units (ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)
1,1-Dichloroethane 16 17 16 12 11 14 11 10 8.4 7.1 ND 9.5 NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 5 6
1,1-Dichloroethene 0.45 J 0.49J ND ND ND ND ND ND ND ND ND ND NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 5 7
1,2-Dichloroethane ND ND ND ND ND 0.40 J ND ND ND ND 0.98 J ND NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 1 70
1,2-Dichlorobenzene ND ND ND ND ND ND ND ND ND ND ND ND NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 5 20
1,4-Dichlorobenzene 0.61 J 0.54 J 0.87 J ND 0.94 J 1.2 1.5 2.0 1.3 1.3 ND 2.5 NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 1 6
4-Methyl 2-Pentanone ND ND ND ND ND ND ND ND ND ND ND ND NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 100 ns
Acetone ND 5.2 J ND ND ND ND ND ND ND ND ND ND NA NA NA ND 1.5 J ND ND ND ND ND ND ND ND ND ND 100 6,000
Benzene 1.2 0.67 J ND ND ND ND ND ND ND ND ND ND 1.2 1.1 0.98J ND ND ND ND ND ND ND ND ND ND ND ND 1 1
Chlorobenzene 0.62 J 0.74 J 0.78 J 0.99 J 0.74 J 0.88 J 0.89 J 1.0 J 0.72 J 0.64 J ND 0.87 J NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 3 50
Chloroethane ND 0.57 J ND ND ND ND 0.47 J ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 10 3,000
Chloromethane ND ND ND ND ND ND ND ND ND ND 1.3 1.3 NA NA NA 0.40 J ND ND ND ND ND ND ND ND ND ND ND 1 3
cis 1,2-dichloroethene 20 23 21 21 23 29 26 26 21 19 ND 21 17 16 15 ND ND ND ND ND ND ND ND ND ND ND ND 5 70
Tetrachloroethene 4.2 3.6 2.9 ND 2.7 2.4 2.1 2.7 1.3 0.85 J ND 1.4 NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 1 0.7
Toluene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 600
Trichloroethene 4.1 3.6 3.3 ND 2.9 3.2 2.4 2.5 1.2 1.2 ND 2.0 2.5 2.5 2.8 ND ND ND ND ND ND ND ND ND ND ND ND 1 3
Tetrahydrofuran ND ND 10 ND ND 2.7 ND ND ND ND NA NA NA NA NA NA NA NA NA NA ND ND ND ND ND NE NS
Trichlorofluoromethane 2.7 2.3 1.2 ND 0.88 J 0.73 J 0.48 J 0.55 J ND ND ND ND NA NA NA ND ND ND ND ND ND ND ND ND ND ND ND 1 2,000
Vinyl Chloride 4.8 5.4 5.1 3.5 2.2 5.6 3.6 4.6 2.6 2.5 ND 4.2 4 3.5 3.4 ND ND ND ND ND ND ND ND ND ND ND ND 1 0.03
Xylenes (total)ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 500
ND = compound not detected
J = Parameters are estimated values between the detection limit and the NC SWSL.
ns = no corresponding NCAC 2L groundwater quality standard
NC SWSL= North Carolina Solid Waste Section Limit (minimum detection limits)
NCAC 2L std. = 15A North Carolina Administrative Code 2L .0200, Groundwater Quality Standards for Class GA groundwater
Quantities highlighted in orange were detected above the 2L standards
NA = Parameter not analyzed during the specified event
TABLE VI-1B
SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
DETECTED VOLATILE ORGANIC COMPOUNDS
SELECT WELLS LOCATED WITHIN WHITE STREET LANDFILL - PHASE II
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
AOC II-6 Wells
Sample Locations
NC
SWSL NCAC 2L
Well ID II-6 II-6 II-6 II-6 II-6 II-6 II-6 II-6 II-6 II-6 II-6 II-6 II-6 SMW-4 SMW-4 SMW-4 SMW-4 SMW-4 SMW-4 SMW-4 SMW-4 SMW-4 SMW-4 SMW-4 Std.
Date Collected 4/1/10 10/6/10 5/9/11 10/10/11 4/19/12 10/26/12 4/30/13 4/30/13 4/23/14 10/2/14 4/14/15 10/6/15 4/19/16 8/2/10 10/11/10 4/19/12 10/25/12 5/3/13 9/17/13 4/24/14 10/7/14 4/15/15 10/7/15 4/18/16
units (ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)
1,1-Dichloroethane ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 6
1,1-Dichloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 7
1,2-Dichlorobenzene 0.43 J 0.51 J ND ND ND 0.50 J ND 0.50 J ND 0.46 J ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 20
1,4-Dichlorobenzene 3.4 4.7 ND 4.0 0.51 J 4.8 ND 3.2 ND 3.8 ND 2.8 0.72 J ND ND ND ND ND ND ND ND ND ND ND 1 6
4-Methyl 2-Pentanone ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 100 ns
Acetone 5.4 J ND ND ND ND 9.8 J ND 7.1 J ND 16 J ND ND ND ND ND ND ND ND ND ND ND ND ND ND 100 6,000
Benzene 1.6 2.2 ND 2.4 ND 2.3 ND 1.6 ND 2.0 ND 1.4 ND ND ND ND ND ND ND ND ND ND ND ND 1 1
Chlorobenzene 4.5 7.4 ND 6.8 0.71 J 5.7 ND 4.3 ND 5.8 ND 3.6 0.73 J ND ND ND ND ND ND ND ND ND ND ND 3 50
Chloroethane ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 10 3,000
Chloromethane ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 3
Naphthalene NA NA NA NA NA NA NA NA NA 2.5 J ND ND ND NA NA NA NA NA NA NA ND ND ND ND 10 6
cis 1,2-dichloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 70
Tetrachloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 0.7
Toluene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 600
Trichloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 3
Tetrahydrofuran NA NA NA 34 4.0 23 ND 18 ND 29 1 32 ND NA NA NA NA NA NA ND ND ND ND ND NE NS
Trichlorofluoromethane ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 2,000
Vinyl Chloride ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 0.03
Xylenes (total)1.8 J 4.0 J ND 5.5 ND 2.6 J ND 1.8 J ND 1.9 J ND 0.77 J ND ND ND ND ND ND ND ND ND ND ND ND 5 500
ND = compound not detected
J = Parameters are estimated values between the detection limit and the NC SWSL.
ns = no corresponding NCAC 2L groundwater quality standard
NC SWSL= North Carolina Solid Waste Section Limit (minimum detection limits)
NCAC 2L std. = 15A North Carolina Administrative Code 2L .0200, Groundwater Quality Standards for Class GA groundwater
Quantities highlighted in orange were detected above the 2L standards
T:\Projects\1998\ENV\081C White Street Landfill (2014)\2016 Compliance Monitoring\Spring2016\Phase 2\AppendixIII -CAPData Tables\AppendixIII CAPTables.xlsx
TABLE VI-1C
SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
DETECTED VOLATILE ORGANIC COMPOUNDS
SELECT WELLS LOCATED WITHIN WHITE STREET LANDFILL - PHASE II
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
Southern E-Buffer Wells
Sample Locations
NC
SWSL NCAC 2L
Well ID II-1 II-1 II-1 II-1 II-1 II-1 II-1 II-1 II-1 II-1 II-1 II-1 II-1 Std
Date Collected 4/1/10 10/6/10 5/9/11 10/10/11 4/17/12 10/26/12 4/30/13 9/11/13 4/24/14 10/6/14 4/14/15 10/7/15 4/18/16
units (ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)
1,1-Dichloroethane 2.3 J 3.0 J 1.1 J 1.7 J 1.2 J 1.6 J 0.77 J 0.89 J 0.79 J 0.53 J 0.45 J 0.86 J 0.46 J 5 6
1,1-Dichloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND 5 7
1,2-Dichlorobenzene ND 0.43 J ND ND ND 0.41 J ND ND ND 0.61 J ND ND 0.55 J 5 20
1,4-Dichlorobenzene 6.5 7.5 4.0 7.6 4.6 7.7 3.4 4.3 5.6 8.2 5.4 7.6 7.9 1 6
4-Methyl 2-Pentanone 5.1 J ND ND ND ND ND ND ND ND ND ND ND ND 100 ns
Acetone ND ND ND ND ND 3.3 J ND 4.0 J ND ND ND ND ND 100 6,000
Benzene 1.1 1.2 0.78 J 0.98 J 0.91 J 1.5 0.45 J 1.1 ND 1.1 0.73 J 1.2 0.78 J 1 1
Chlorobenzene 2.2 J 3.2 1.2 J 4.0 2.0 3.5 1.4 J 2.9 J 3.0 4.3 2.0 3.4 3.3 3 50
Chloroethane 0.95 J 1.6 J ND ND ND ND ND ND ND ND ND 0.94 J ND 10 3,000
Chloromethane ND ND ND ND ND ND ND ND ND ND ND ND ND 1 3
cis 1,2-dichloroethene 3.3 J 4.2 J 0.88 J ND 2.1 J 3.0 J 1.3 J 2.6 J 0.43 J 1.1 J ND ND ND 5 70
Tetrachloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND 1 0.7
Toluene ND ND ND ND ND ND ND ND ND ND ND ND ND 1 600
Trichloroethene 0.53 J 0.48 J ND ND ND ND ND ND ND ND ND ND ND 1 3
Tetrahydrofuran NA NA NA 11 4.4 10 5.5 6.5 14 13 8.2 21 7.1 NE NS
Trichlorofluoromethane ND ND ND ND ND ND ND ND ND ND ND ND ND 1 2,000
Vinyl Chloride 0.90 J 1.4 ND ND 0.52 J 1.3 ND 0.43 J ND ND ND ND ND 1 0.03
Xylenes (total)ND ND ND ND ND ND ND ND ND ND ND ND ND 5 500
ND = compound not detected
J = Parameters are estimated values between the detection limit and the NC SWSL.
ns = no corresponding NCAC 2L groundwater quality standard
NC SWSL= North Carolina Solid Waste Section Limit (minimum detection limits)
NCAC 2L std. = 15A North Carolina Administrative Code 2L .0200, Groundwater Quality Standards for Class GA groundwater
Quantities highlighted in orange were detected above the 2L standards
TABLE VI-1D
SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
DETECTED VOLATILE ORGANIC COMPOUNDS
SELECT WELLS LOCATED WITHIN WHITE STREET LANDFILL - PHASE II
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
Northern Ebuffer Wells
Sample Locations
NC
SWSL NCAC 2L
Well ID II-9 II-9 II-9 II-9 II-9 II-9 II-9 II-9 II-9 II-9 II-9 SMW-3 SMW-3 SMW-3 SMW-3 SMW-3 SMW-3 SMW-3 SMW-3 SMW-3 SMW-3 SMW-3 SMW-3 Std.
Date Collected 4/29/10 10/7/11 4/19/12 10/25/12 4/30/13 9/18/13 4/24/14 10/7/14 10/7/14 10/7/15 4/18/16 8/2/10 10/11/10 10/7/11 4/19/12 10/23/12 5/3/13 9/18/13 4/24/14 10/7/14 4/15/15 10/8/15 4/18/16
units (ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)
1,1-Dichloroethane ND 5.8 6.9 9.6 7.9 9.9 ND 6.5 5.7 5.8 0.42 J 4.2 J 3.8 J 0.88 J 5.4 5.0 4.5 J 5.6 5.8 5.6 6.2 3.7 J 5.5 5 6
1,1-Dichloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 7
1,2-Dichlorobenzene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 20
1,4-Dichlorobenzene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 6
4-Methyl 2-Pentanone ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 100 ns
Acetone ND ND ND ND ND ND ND ND ND ND ND 3.0 J ND ND ND ND ND ND ND ND ND ND ND 100 6,000
Benzene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 1
Chlorobenzene ND ND ND ND ND 0.52 J ND 0.62 J ND 0.60 J ND ND ND ND ND ND ND ND ND ND ND 1.9 J ND 3 50
Chloroethane ND ND ND ND ND 0.81 J ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 10 3,000
Chloromethane ND ND ND ND ND ND ND ND ND ND ND 0.44 J 0.61 J ND ND ND ND ND ND ND ND ND ND 1 3
cis 1,2-dichloroethene 11 16 16 24 23 26 ND 17 14 13 0.83 J 6.9 7.8 1.2 J 12 12 14 15 14 16 15 7.6 12 5 70
Tetrachloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.44 J ND ND ND ND 1 0.7
Toluene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 600
Trichloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 0.40 J 0.60 J ND ND ND ND 1 3
Tetrahydrofuran NA NA NA NA NA NA NA ND ND ND ND NA NA NA NA NA NA NA ND ND ND ND ND NE NS
Trichlorofluoromethane ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 2,000
Vinyl Chloride 0.66 J 0.69 J 1.0 J 2.4 0.79 J 4.0 ND 2.6 ND 2.2 ND 0.49 J 0.68 J ND ND ND 0.74 J 1.3 J 1.7 2.0 1.6 0.72 J 1.6 1 0.03
Xylenes (total)ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 500
ND = compound not detected
J = Parameters are estimated values between the detection limit and the NC SWSL.
ns = no corresponding NCAC 2L groundwater quality standard
NC SWSL= North Carolina Solid Waste Section Limit (minimum detection limits)
NCAC 2L std. = 15A North Carolina Administrative Code 2L .0200, Groundwater Quality Standards for Class GA groundwater
Quantities highlighted in orange were detected above the 2L standards
T:\Projects\1998\ENV\081C White Street Landfill (2014)\2016 Compliance Monitoring\Spring2016\Phase 2\AppendixIII -CAPData Tables\AppendixIII CAPTables.xlsx
TABLE VI-1E
SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
DETECTED VOLATILE ORGANIC COMPOUNDS
SELECT WELLS LOCATED WITHIN WHITE STREET LANDFILL - PHASE II
GREENSBORO, NORTH CAROLINA
S&ME PROJECT NO. 1584-98-081C
AOC II-7 Wells
Sample Locations
NC
SWSL NCAC 2L
Well ID II-7 II-7 II-7 II-7 II-7 II-7 II-7 II-7 II-7 II-7 II-7 II-7 II-7 II-7B II-7B II-7B II-7B II-7B II-7B II-7B II-7B II-7B II-7B II-7B II-7B std
Date Collected 4/1/10 10/6/10 5/9/11 10/13/11 4/17/12 10/31/12 4/30/13 9/13/13 4/24/14 10/2/14 4/14/15 10/6/15 4/19/16 4/1/10 10/6/10 10/13/11 4/17/12 10/31/12 4/30/13 9/13/13 4/24/14 10/2/14 4/14/15 10/6/15 4/20/16
units (ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)(ug/L)
1,1-Dichloroethane 1.1 J 0.42 J ND ND 0.65 J 0.79 J ND ND ND ND ND ND ND ND ND ND 0.64 J 0.85 J 0.90 J ND 0.54 J ND 0.89 J 0.79 J 1.2 J 5 6
1,1-Dichloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 7
1,2-Dichlorobenzene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 20
1,4-Dichlorobenzene 0.53 J ND ND ND 0.42 J ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 6
4-Methyl 2-Pentanone ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 100 ns
Acetone 2.0 J ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 2.2 J ND ND ND ND ND 100 6,000
Benzene 0.64 J ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 1
Chlorobenzene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 3 50
Chloroethane ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 10 3,000
Chloromethane ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 3
cis 1,2-dichloroethene 3.6 J ND ND ND 0.79 J 0.48 J ND ND ND ND ND ND ND ND ND ND 0.58 J 0.44 J ND ND ND ND ND ND ND 5 70
Tetrachloroethene 0.56 J ND ND ND ND 0.52 J ND ND ND ND ND ND ND 0.57 J 0.57 J ND 0.41 J 0.52 J 0.48 J ND 0.51 J ND ND ND 0.44 J 1 0.7
Toluene 1.0 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 600
Trichloroethene ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 3
Tetrahydrofuran NA NA NA ND ND ND ND ND ND ND 0.40 J ND ND NA NA ND 130 170 150 18 140 ND 5.6 ND 50 NE NS
Trichlorofluoromethane ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 2,000
Vinyl Chloride 0.80 J ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 1 0.03
Xylenes (total)ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 5 500
ND = compound not detected
J = Parameters are estimated values between the detection limit and the NC SWSL.
ns = no corresponding NCAC 2L groundwater quality standard
NC SWSL= North Carolina Solid Waste Section Limit (minimum detection limits)
NCAC 2L std. = 15A North Carolina Administrative Code 2L .0200, Groundwater Quality Standards for Class GA groundwater
Quantities highlighted in orange were detected above the 2L standards
T:\Projects\1998\ENV\081C White Street Landfill (2014)\2016 Compliance Monitoring\Spring2016\Phase 2\AppendixIII -CAPData Tables\AppendixIII CAPTables.xlsx