4204_HalifaxClosedMSWLF_GWMR_20170427

DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
This page intentionally left blank.
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
February 2017 Groundwater Monitoring Report

Halifax County Closed MSW Landfill
NC Solid Waste Permit No. 42-04

Prepared for:

Halifax County Solid Waste Department
P.O. Box 70
Halifax, North Carolina 27839

April 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.

DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37

DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
4/27/2017
4/27/2017

This page intentionally left blank.

DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37

Halifax County Closed MSW Landfill February 2017 Groundwater Monitoring Report
April 2017 Page i
Halifax County Closed MSW Landfill
NC Solid Waste Permit No. 42-04

February 2017 Groundwater Monitoring Report

DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Page 1
1.0 INTRODUCTION
2.0 SITE HYDROGEOLOGY
3.0 SAMPLING LOCATIONS
2
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37






DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37

DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
MW-2AD*TOC=245.65DTW=6.25GWE=239.40MW-6DTOC=253.22DTW=12.51GWE=240.71MW-7DTOC=249.09DTW=3.72GWE=245.37MW-15RTOC=299.78DTW=31.20GWE=268.58MW-16ATOC=271.46DTW=6.50GWE=264.96BP-3TOC=300.50DTW=30.69GWE=269.81BP-9TOC=303.48DTW=27.84GWE=275.64MW-17TOC=247.75DTW=6.85GWE=240.90MW-18STOC=244.52DTW=5.80GWE=238.72MW-18DTOC=244.04DTW=5.40GWE=238.64MW-2ATOC=246.43DTW=6.90GWE=239.53MW-3DTOC=251.73DTW=9.78GWE=241.95MW-3ASTOC=251.57DTW=10.20GWE=241.26MW-6SG-13G-13DMW-2AD*TOC=245.65DTW=6.25GWE=239.40MW-6DTOC=253.22DTW=12.51GWE=240.71MW-7DTOC=249.09DTW=3.72GWE=245.37MW-15RTOC=299.78DTW=31.20GWE=268.58MW-16ATOC=271.46DTW=6.50GWE=264.96BP-3TOC=300.50DTW=30.69GWE=269.81BP-9TOC=303.48DTW=27.84GWE=275.64MW-17TOC=247.75DTW=6.85GWE=240.90MW-18STOC=244.52DTW=5.80GWE=238.72MW-18DTOC=244.04DTW=5.40GWE=238.64MW-2ATOC=246.43DTW=6.90GWE=239.53MW-3ASTOC=251.57DTW=10.20MW-6SG-13G-13DG:\CAD\Halifax\Halifax-8\sheets\HALI-B0309.dwg - 4/10/2017 11:19 AM
DRAWN:APPROVED:
PROJECT NO:
SCALE:
FILENAME:DATE:
FIGURE NO.PREPARED BY:PREPARED FOR:
SMITH
14 N. Boylan Avenue, Raleigh NC 27603
NC LIC. NO. F-1370 (ENGINEERING)
919.828.0577
GARDNER+© 2017 Smith Gardner, Inc.HALIFAX COUNTY
CLOSED MSW LANDFILL
POTENTIOMETRIC SURFACE MAP
FEBRUARY 2017
J.A.L.M.M.G.AS SHOWN 1
Apr 2017 HALIFAX-8 HALI-B0309MW-10MW-1TOC=DTW=GWE=BP-3DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
This page intentionally left blank. DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Table 1Groundwater ElevationsHalifax County Closed LandfillFebruary 14, 2017By:MGDate: 4/3/2017Monitoring LocationWell Installation DateLatitude LongitudeWell Diameter (inches)Total Well Depth (ft.)**Ground Surface Elevation (ft. amsl)TOC Elevation (ft)Depth to Water (ft)Water Table Elevation (ft)Screen Interval (ft. bgs)Screen GeologyMW-1* NA 36.3804 77.8143 2 46.51 321.18323.18 28.00 294.96 NA NAMW-2A 07/26/1995 36.3731 77.8141 2 16.91 246.43 246.43 6.90 239.53 4-14 Silt & SandMW-2AD 09/01/1999 36.3732 77.8140 2 41.20 245.65 245.65 6.25 239.40 30 - 40Coarse Sandy PWRMW-3AS 07/25/1995 36.3723 77.8134 2 22.29 248.57251.57 10.20 241.26 9-19Clayey Silty SandMW-3D NA 36.3723 77.8134 2 52.20 251.73 251.73 9.78 241.95 NA NAMW-6D 10/30/1991 36.3742 77.8144 2 42.00 253.22 253.22 12.51 240.7125 - 40Sandy SiltMW-7D 10/31/1991 36.3751 77.8137 2 39.40 249.09 249.09 3.72 245.3725 - 40Sandy SiltMW-15R 08/31/1999 36.3744 77.8106 2 46.15 299.78 299.78 31.20 268.58 33 - 43Sandy Clayey SiltMW-16A 07/26/1995 36.3715 77.8111 2 22.23 271.46 271.46 6.50 264.96 5 - 15 Clayey SandMW-17 10/03/2007 36.3726 77.8138 2 27.31 247.75 247.75 6.85 240.90 15 - 25 SaproliteMW-18S 10/16/2007 36.3730 77.8144 2 20.21 244.52 244.52 5.80 238.72 8-18Clayey Sand/SaproliteMW-18D 10/17/2007 36.3731 77.8145 2 54.90 244.04 244.04 5.40 238.6447 - 52 GraniteBP-3 NA 36.3732 77.8102 2 NM NA 300.50 30.69 269.81 NA NABP-9 NA 36.3750 77.8094 2 NM NA 303.48 27.84 275.64 NA NANOTE:1.) *MW-1 is not used in the groundwater characterization calculations due to its remote location from the landfill2.) ** Well depth from Environment 1 03/29/2017 Report client ID#60153.)3' stickup estimated, therefore groundwater elevation is also estimated4.) NA = Not Available5.) NM = Not MeasuredH:\Projects\Groundwater Monitoring\2. Groundwater Monitoring Reports\Halifax\AA. Halifax 2-2017\Closed MSW\Feb17 hal gw tables.xlsxDocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Table 5Indicator Parameter SummaryHalifax County Closed LandfillFebruary 14, 2017By: MGDate: 4/4/2017MDL SWSL MW-2A MW-2AD MW-3AS MW-3D MW-6D MW-17 MW-18D MW-18SCOD, mg/l 0.84 NE 31 25 44 23 28 <0.84 21 26Nitrate Nitrogen as N, mg/l 0.003 10 <0.003 <0.003 <0.003 <0.003 0.3 J 0.13 J 0.16 J <0.003Total Organic Carbon, mg/l 0.12 NE 3.81 <0.12 10.83 <0.12 2.54 <0.12 <0.12 1.81Chloride, mg/l 5 NE32 12 15 10 19 9 12 11NOTE:MDL - Method Detection LimitSWSL - Solid Waste Section Quantitation LimitsJ - Laboratory defined detection between the MDL and SWSL<MDL - Not detected at or above MDL valueNE - Standard Not EstablishedLab data analysis by Environment 1, Inc. Reports dated 03/29/2017 Client ID#6015H:\Projects\Groundwater Monitoring\2. Groundwater Monitoring Reports\Halifax\AA. Halifax 2-2017\Closed MSW\Feb17 hal gw tables.xlsxDocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Table 6Gradient and Velocity CalculationsHalifax County Closed LandfillFebruary 14, 2017By: MGDate: 4/11/2017Monitoring LocationWater Table Elevation (ft)Hydraulic Conductivity (ft/day)Assumed PorosityHydraulic Gradient (ft/ft)Groundwater Velocity (ft/day)MW-2A 239.53 1.835 0.2 0.016 0.147MW-16A 264.96 0.057 0.2 0.001 3.26E-04NOTE:Hydraulic Conductivity data from slug tests performed by G.N. Richardson and Associates in 1997.Porosity values assumed from Groundwater & Wells (Driscoll)Velocity Calculated from V=K*i/nV = velocityK = Hydraulic Conductivityi = Gradientn = PorosityDeep wells not used in velocity calculationsH:\Projects\Groundwater Monitoring\2. Groundwater Monitoring Reports\Halifax\AA. Halifax 2-2017\Closed MSW\Feb17 hal gw tables.xlsxDocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Page 1 Lead, total Multi-Well Time-Series Graph Sample DateConcentration (ppb)0102030405060708090MW-2AMW-2ADMW-3DMW-6DMW-17MW-18SMW-3AS8/9/19959/4/199810/1/200110/28/200411/25/200712/22/20101/18/20142/14/2017DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Page 1 1,1-Dichloroethane Multi-Well Time-Series Graph Sample DateConcentration (ppb)05101520MW-16AMW-178/9/19959/4/199810/1/200110/28/200411/25/200712/22/20101/18/20142/14/2017DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Page 1 1,2-Dichloropropane Time-Series Graph of MW-16A Sample DateConcentration (ppb)0123458/9/19959/4/199810/1/200110/28/200411/25/200712/22/20101/18/20142/14/2017DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Page 1 Benzene Multi-Well Time-Series Graph Sample DateConcentration (ppb)012345MW-16AMW-3AS8/9/19959/4/199810/1/200110/28/200411/25/200712/22/20101/18/20142/14/2017DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
Page 1 Tetrachloroethene (-ethylene) Multi-Well Time-Series Graph Sample DateConcentration (ppb)01020304050607080MW-16AMW-7DMW-178/9/19959/4/199810/1/200110/28/200411/25/200712/22/20101/18/20142/14/2017DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37
DocuSign Envelope ID: 3ACEEBE1-6C7D-41BA-9EAF-E513C48FBB37