0901_BladenCountyMSWLF_GWMR_FID1068308

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September 2017 Semi-Annual Groundwater Monitoring Report

Bladen County Closed MSW Landfill
NC Solid Waste Permit No. 09-01

Prepared for:

Bladen County Solid Waste Management
1522 Mercer Mill Road
Elizabethtown, North Carolina 28337

December 2017

Prepared by:

© 2017 Smith Gardner, Inc.
This document is intended for the sole use of the client for which it was prepared and
for the purpose agreed on by the client and Smith Gardner, Inc.

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September 2017 Groundwater Monitoring Report

Bladen County Closed MSW Landfill
Solid Waste Permit No. 09-01

Prepared For:
Bladen County Solid Waste Management
Elizabethtown, North Carolina

S+G Project No. Bladen 08-04

Madeline German, P.G.
Project Geologist

Joan A. Smyth, P.G.
Senior Hydrogeologist

December 2017

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12/14/2017
12/14/2017

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Bladen County Closed MSW Landfill September 2017 Groundwater Monitoring Report
December 2017 Table of Contents Page i

Bladen County Closed MSW Landfill
NC Solid Waste Permit No. 09-01

September 2017 Groundwater Monitoring Report

Table of Contents
Page

1.0 INTRODUCTION ......................................................................................................... 1 
2.0 SITE GEOLOGY ........................................................................................................... 1 
3.0 SAMPLING LOCATIONS ............................................................................................. 1 
4.0 SAMPLING PROCEDURES ......................................................................................... 1 
5.0 FIELD AND LABORATORY RESULTS .......................................................................... 2 
5.1 Field Parameter Results ........................................................................................... 2 
5.2 Laboratory Results .................................................................................................... 2 
5.2.1 Inorganic Constituent Results ...................................................................... 2 
5.2.2 Organic Constituent Results ......................................................................... 2 
5.2.3 Surface Water Results .................................................................................. 2 
6.0 GROUNDWATER CHARACTERIZATION ...................................................................... 3 
7.0 CONCLUSIONS .......................................................................................................... 3 

FIGURE
Figure 1 Site Map
Figure 2 Groundwater Potentiometric Map

TABLES
Table 1 Groundwater Elevation Data
Table 2 Field Parameters
Table 3 Detected Constituents

APPENDICES
Appendix A Laboratory Analytical Report

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Bladen County Closed MSW Landfill September 2017 Groundwater Monitoring Report
December 2017 Page 1
1.0 INTRODUCTION
The closed, unlined Bladen County Municipal Solid Waste (MSW) Landfill (Solid Waste Permit #
09-01) requires semi-annual groundwater monitoring as a condition of the water quality
monitoring program. This report, prepared by Smith Gardner, Inc. (S+G), presents the
September 13, 2017 monitoring event results. This event was performed in compliance with NC
Solid Waste Regulations.

As specified in the October 2006 Electronic Deliverables Memo1 and the November 5, 2014
Groundwater, Surface Water, Soil, Sediment, and Landfill Gas Electronic Document Submittal
Memo2, this report includes a Solid Waste Section (SWS) Environmental Monitoring Report
Form and field procedure and laboratory analyses summaries for the closed MSW site. A
potentiometric surface map, summary tables and laboratory analytical report are also included.
2.0 SITE GEOLOGY
The Bladen County MSW Landfill is located off Highway 87 just east of Elizabethtown in the
Coastal Plain physiographic province. According to the Geologic Map of North Carolina (1985),
this area is underlain by the Black Creek Formation, which is characterized by gray to black
lignitic clay with thin beds of fine grained sands and thick lenses of cross-grained sand.
3.0 SAMPLING LOCATIONS
The sampling event was reportedly performed by Environment 1, Inc. (Greenville, NC) personnel
on September 13, 2017. The groundwater monitoring network for the MSW landfill includes
seven groundwater monitoring wells (MW-1, MW-3, MW-4, MW-5A, MW-7, MW-8 and MW-9)
and two surface water locations (SW-1 and SW-2). MW-1 serves as the background location.
MW-7 was unable to be sampled this event because the well location was buried under debris.
Figure 1 illustrates the sampling locations.
4.0 SAMPLING PROCEDURES
Sampling methods followed the protocol outlined in the North Carolina Water Quality
Monitoring Guidance Document for Solid Waste Facilities (Department of Environmental Quality
(DEQ), Division of Waste Management (DWM)). The depth to water in each well was gauged
prior to purging and sampling. The field parameters pH, specific conductivity and temperature
were measured at each sampling location. Water table elevations are included in Table 1.

1 New Guidelines for Electronic Submittal of Environmental Monitoring Data Memo, NCDENR – Solid Waste Section,
October 27, 2006
2 Groundwater, Surface Water, Soil, Sediment, and Landfill Gas Electronic Document Submittal, NCDENR – Solid
Waste Section, November 5, 2014.
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Bladen County Closed MSW Landfill September 2017 Groundwater Monitoring Report
December 2017 Page 2
Samples were collected by Environment 1, Inc. personnel in laboratory prepared containers.
Groundwater samples were properly preserved, placed on ice and transported to the laboratory
facility (Environment 1, Inc.), within the specified hold times for each analysis.
5.0 FIELD AND LABORATORY RESULTS
5.1 Field Parameter Results
Temperature, pH, and specific conductance were measured in the field at the time of
sampling. The field parameter results are summarized in Table 2 and have remained
consistent with previously reported sampling events.
5.2 Laboratory Results
Samples were transported to the laboratory facility under proper chain of custody and
analyzed to the laboratory established Method Detection Limits (MDL) for each
parameter. Groundwater sample analytical results were compared with the DWM Solid
Waste Quantitation Limits (SWSLs) for Appendix I constituents, the North Carolina
Administrative Code(NCAC) 2L.0200 2L Standard (2L) and the Federal Maximum
Contamint Limit. Surface water sample analytical results were compared with the 15A
NCAC 2B Standard (2B) for Class C waters.

Table 3 summarizes the detected constituent list. Several constituents were detected
above their MDL at concentrations below the SWSLs and are listed as “J” values on
Table 3. The laboratory report is included as Appendix A.
5.2.1 Inorganic Constituent Results
Arsenic (MW-3) was the only constituent reported at a concentration above its 2L
Standard during the September 2017 monitoring event. This is decreased from
the March 2017 event; however slightly above historic levels for this location.
The majority of parameters were either J-qualified or non-detect.
5.2.2 Organic Constituent Results
Only vinyl chloride in the sample from MW-9 was reported at a concentration
above its 2L Standard for this event. The concentration is consistent with historic
levels at this location that is adjacent to waste. The majority of organic
consituents were reported as non-detectable.
5.2.3 Surface Water Results
There were no detections of inorganic or organic constituents above their 2B
standards in samples from the surface water locations this event.
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Bladen County Closed MSW Landfill September 2017 Groundwater Monitoring Report
December 2017 Page 3
6.0 GROUNDWATER CHARACTERIZATION
A potentiometric map (Figure 2) for the uppermost aquifer, was prepared from the
groundwater elevation data for this sampling event. The data indicates that groundwater is
flowing generally north to northwest across most of the site. Hydraulic conductivity data is not
available for these wells so groundwater velocities could not be calculated.
7.0 CONCLUSIONS
The reported inorganic detections may be due to naturally occurring metals in North Carolina
soils. Arsenic concentrations in MW-3 are decreasing, but we will continue to watch this
location. The reported organic detections are consistent with historically reported detections at
the site. Vinyl Chloride was detected above the 2L groundwater standard for this constituent.
Monitoring well MW-9 is located immediately adjacent to the waste at the site.

Surface water sampling did not indicate contaminant migration.

The next groundwater monitoring event is scheduled for March 2018. Following receipt of
laboratory data a report will be prepared and submitted to NCDEQ and Bladen County.

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FIGURES

September 2017 Groundwater Monitoring Report
Bladen County Closed MSW Landfill
NC Solid Waste Permit No. 09-01

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© 2015 Microsoft Corporation
MW-2
MW-6
0 300'600'G:\CAD\Bladen County\Bladen 08-4\sheets\BLADEN-B0052.dwg - 11/9/2017 3:18 PMDRAWN:APPROVED:PROJECT NO:SCALE:FILENAME:DATE:FIGURE NO.PREPARED BY:PREPARED FOR:SMITH14 N. Boylan Avenue, Raleigh NC 27603NC LIC. NO. F-1370 (ENGINEERING)919.828.0577GARDNER+© 2017 Smith Gardner, Inc.BLADEN COUNTY MSW LANDFILLSITE MAPSEPTEMBER 2017C.J.W.M.M.G.AS SHOWN1Nov 2017BLADEN 08-4BLADEN-B0052SW-1
SW-2
SW-1
MW-6
MW-5A
MW-5A
MW-3
MW-1
MW-9
MW-8
MW-7
MW-4
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MW-1
TOC= 124.98
DTW= 15.75
GWE= 109.23
MW-2
MW-3
TOC= 98.57
DTW= 9.94
GWE= 88.63
MW-4
TOC= 108.89
DTW= 36.60
GWE= 72.29
MW-5A
TOC= 92.43
DTW= 24.34
GWE= 68.09
MW-6
MW-7
TOC=63.72
DTW=1.10GWE=62.62
MW-8
TOC= 79.05
DTW= 16.89
GWE= 62.16
MW-9
TOC= 74.05
DTW= 8.03
GWE= 66.02
0 300'600'
MW-1
TOC=
DTW=
GWE=G:\CAD\Bladen County\Bladen 08-4\sheets\BLADEN-B0053.dwg - 11/14/2017 2:29 PMDRAWN:APPROVED:PROJECT NO:SCALE:FILENAME:DATE:FIGURE NO.PREPARED BY:PREPARED FOR:SMITH14 N. Boylan Avenue, Raleigh NC 27603NC LIC. NO. F-1370 (ENGINEERING)919.828.0577GARDNER+© 2017 Smith Gardner, Inc.BLADEN COUNTY MSW LANDFILLPOTENTIOMETRIC SURFACE MAPSEPTEMBER 2017C.J.W.M.M.G.AS SHOWN2Nov 2017BLADEN 08-4BLADEN-B0053SW-1
SW-2
SW-1
MW-6
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TABLES

September 2017 Groundwater Monitoring Report
Bladen County Closed MSW Landfill
Solid Waste Permit No. 09-01

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Table 1Groundwater Elevation DataBladen County MSW LandfillSeptember 13, 2017By: MGDate: 10/30/2017WellWell Installation DateLatitude LongitudeWell Diameter (inches)Total Well Depth (feet bgs)Ground Surface Elevation (feet amsl)TOC Elevation (feet amsl)Depth to Water (feet)Groundwater Elevation (feet)Screen Interval (feet bgs)Screen GeologyMW-1 NA 34.60291 78.61027 2.0 41.12 124.52 124.98 15.75 109.23 31-41 NAMW-3 NA 34.60541 78.60985 2.0 21.52 97.00 98.57 9.94 88.63 11.5-21.5 NAMW-4 NA 34.60658 78.60856 2.0 44.32 107.34 108.89 36.60 72.29 34.5-44.5 NAMW-5A NA 34.60722 78.60939 2.0 31.74 90.35 92.43 24.34 68.09 22-32 NAMW-7 NA 34.60886 78.61308 2.0 15.14 62.06 63.72 - - 5 - 15 NAMW-8 NA 34.60758 78.61542 2.0 30.00 77.49 79.05 16.89 62.16 20-30 NAMW-9 NA 34.60692 78.61536 2.0 17.58 72.09 74.05 8.03 66.02 7.5-17.5 NANOTE:1. Well locations and elevations provided by Walker Surveying Co., Elizabethtown, NC from field survey conducted on 10/27/08.2. Total Well Depth and Depth to Water from Environment 1 laboratory report dated 10/26/2017, Client ID# 6072.3. Screened interval is assumed to be 10 feet. No well construction data is currently available.4. NA-Not Available5. Monitoring location MW-7 was buried under debris and was unable to be sampled this event.H:\Projects\Groundwater Monitoring\2. Groundwater Monitoring Reports\Bladen County\Bladen Closed MSW\19. Bladen MSW Sept 2017\sept17-Bladen MSW tables.xlsxDocuSign Envelope ID: 82C74C18-8DA0-4A67-9222-377234F26ECD
Table 2Field ParametersBladen County MSW LandfillSeptember 13, 2017By: MGDate: 12/11/2017WellTemperature (°Celsius)Specific Conductivity (uS/cm)pHMW-120 274 7.2MW-320 537 6MW-421 626 6.9MW-5A22 930 6.9MW-8 23 619 6.4MW-9 23 1057 6.7SW-1 23 112 7SW-2 23 1923 7.1NOTE: Data from Environment 1 laboratory report dated 10/26/2017,Client ID# 6072.MW-7 was buried under debris and was unable to be sampled this event.H:\Projects\Groundwater Monitoring\2. Groundwater Monitoring Reports\Bladen County\Bladen Closed MSW\19. Bladen MSW Sept 2017\sept17-Bladen MSW tables.xlsxDocuSign Envelope ID: 82C74C18-8DA0-4A67-9222-377234F26ECD
Table 3Detected ConstituentsBladen County MSW LandfillSeptember 13, 2017By: MGDate: 12/11/2017Constituents MDL SWSL 2L MCL 2B MW-1 MW-3 MW-4 MW-5A MW-8 MW-9 SW-1 SW-2Arsenic 0.07 10 10 10 10 0.61 J11<0.07 <0.07 0.45 J 5.3 J 0.21 J 2.9 JBarium 0.07 100 700 200 200000 31.2 J 44.9 J 63.7 J 165 221 115 149 184Cadmium 0.081252<0.08 0.93 J 0.08 J 0.08 J 1 0.39 J 0.12 J <0.08Total Chromium 0.08 10 10 100 50 0.9 J 2.5 J 0.16 J 0.14 J 2.2 J 3 J 0.25 J 0.97 JLead 0.08 10 15 15 25 0.48 J 1.7 J <0.08 <0.08 1.5 J 0.99 J 0.44 J 0.14 JSelenium 0.51 10 20 50 5 <0.51 <0.51 <0.51 0.59 J 1.1 J 8.7 J 1.9 J 3.2 J1,1 Dichloroethane 0.20 5 6 NE 100 <0.2 <0.2 <0.2 <0.2 <0.2 0.3 J <0.2 <0.2Benzene 0.24 1 1 5 51 <0.24 0.9 J <0.24 <0.24 <0.24 0.8 J <0.24 <0.24Carbon Disulfide 0.23 100 700 NE 20000 <0.23 0.3 J <0.23 <0.23 <0.23 <0.23 <0.23 <0.23Chlorobenzene 0.30 3 50 100 140 <0.3 <0.3 <0.3 <0.3 <0.3 2.2 J <0.3 <0.3Cis-1,2-Dichloroethene 0.25 5 70 70 720 <0.25 <0.25 <0.25 <0.25 <0.25 1.4 J <0.25 <0.25Iodomethane 0.26 10 NE NE NE <0.26 <0.26 <0.26 0.3 J <0.26 0.4 J <0.26 <0.26Vinyl Chloride 0.63 1 0.03 2 2.4 <0.63 <0.63 <0.63 <0.63 <0.632.80<0.63 <0.63NOTE: MDL - Method Detection LimitSWSL - Solid Waste Quantitation Limit2L -Groundwater Standards (15A NCAC 2L 0200)MCL -Maximum Contaminant Level2B -NCAC 2B Standard for Class C watersBold- Concentrations above 2L standard.J - Laboratory identified constituents below SWSL limit but above method detection limit.<MDL - Constitunent not detected above MDLMW-7 was buried under debris and was unable to be sampled this event.SWSLs, 2L Standards and Results are presented in ug/l.Data from Environment 1 laboratory report dated 10/26/2017, Client ID# 6072.Organic ConstituentsInorganic ConstituentsH:\Projects\Groundwater Monitoring\2. Groundwater Monitoring Reports\Bladen County\Bladen Closed MSW\19. Bladen MSW Sept 2017\sept17-Bladen MSW tables.xlsxDocuSign Envelope ID: 82C74C18-8DA0-4A67-9222-377234F26ECD
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Appendix A
Laboratory Analytical Report
September 2017 Groundwater Monitoring Report
Bladen County Closed MSW Landfill
Solid Waste Permit No. 09-01

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