9301_WarrenCounty_MSWLF_GWMR_20170329

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March 2017 Groundwater Monitoring Report

Warren County Landfill Facility
NC Solid Waste Permit No. 93-01

Prepared for:

Warren County Public Works
Warrenton, North Carolina

May 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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5/9/2017
5/9/2017
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© 2015 Microsoft Corporation
MW-1A
TOC=375.24
DTW=31.98
GWE=343.26
MW-2
TOC=344.93
DTW=6.69
GWE=338.24
MW-3
TOC=308.55
DTW=5.53
GWE=303.02
MW-4
TOC=304.24
DTW=3.53
GWE=300.71
G:\CAD\Warren County\Warren 15-1\sheets\WARREN-B0005.dwg - 4/28/2017 4:28 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.WARREN COUNTY LANDFILLPOTENTIOMETRIC SURFACE MAPMARCH 2017J.A.L.M.M.G.AS SHOWN1Apr 2017WARREN 15-1WARREN-B0005MW-10
MW-2
TOC=
DTW=
GWE=
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Table 1Groundwater Elevation DataWarren County LandfillMarch 29, 2017By: MGDate: 4/12/2017WellWell Installation DateLatitude LongitudeWell Diameter (inches)Total Well Depth (ft bgs)Ground Surface Elevation (ft amsl)TOC Elevation (ft amsl)Depth to Water (ft)Water Table Elevation (ft bgs)Screen Interval (feet bgs)Screen GeologyMW-1A 8/18/1997 36.38809536 78.14656775 2 40 373.24 375.24 31.98 343.26 30-40 silty sandMW-2 10/11/1989 36.38902733 78.14345783 2 13.5 342.93 344.93 6.69 338.24 8.5-13.5 silty sandMW-3 10/10/1989 36.38853006 78.14203583 2 27 306.55 308.55 5.53 303.02 17-27 silty sandMW-4 10/10/1989 36.38776261 78.13995200 2 21 302.24 304.24 3.53 300.71 11-21 sandy siltNote:1. Well locations are estimated from Resolve Environmental Services, Site Map, dated 9/13/2011.2. Ground surface elevations estimated from 2004 DOT groundsurface contours.3. TOC Elevations estimated 2 foot above ground surface.4. Total well depth from boring logs (Appendix A).5. Depth to water measured by Smith Gardner, Inc. personnel 3/29/2017.H:\Projects\Groundwater Monitoring\2. Groundwater Monitoring Reports\Warren\4. Mar2017\Mar17 Warren gw Tables.xlsxDocuSign Envelope ID: 1CF997EC-3A7E-43AC-B015-5498140E59EF
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Table 4Detected Organic ConstituentsWarren County LandfillMarch 29, 2017By: MGDate: 04/11/2017Constituents MDL SWSL 2L MCL MW-1A MW-2 MW-3 MW-41,4-Dichlorobenzene 0.050 1 6 75 2.6 3.9 0.62 <0.05Acetone 0.310 100 6000 NE 6 <0.31 <0.31 <0.31Benzene 0.048 1 1 5 <0.0481.1<0.048 <0.048Chlorobenzene 0.062 3 50 100 <0.062 2.1 0.52 <0.062Chloroethane 0.220 10 3000 NE <0.22 3 <0.22 <0.22Cis-1,2-Dichloroethene0.056 5 70 70 1.2 7.3 1.6 1.4Methylene Chloride 0.083 1 5 0.005 <0.083 <0.083 <0.083 0.53 JNote:MDL -Method Detection LimitSWSL - Solid Waste Section Quantitation Limit2L -Groundwater Standards (15A NCAC 2L 0200)MCL - Federal Maximum Contaminant LimitBold- Concentrations reported above 2L standard<MDL -Constituent not detected above the MDLJ-Table data is presented in ug/l.Analysis by Prism Laboratories, WO#7040014, Report Dated 3/31/2017SW-1 was not analyzed this event because it was dryLaboratory defined as detected but below the reporting limit, therefore the value is an estimated concentration.Z:\Projects\Groundwater Monitoring\Groundwater Monitoring Reports\Martin County\8. May 2015\Copy of May 15 Martin gw TablesDocuSign Envelope ID: 1CF997EC-3A7E-43AC-B015-5498140E59EF
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