MO-6984_27696_CA_RMR_20160805_July2016ARM

Via 2nd Day Federal Express
August 5, 2016
NCDEQ
Division of Waste Management/UST Section
610 East Center Avenue Suite 301
Mooresville, NC 28115
Attn: Mr. Brad Newton

Re: Active Remediation Monitoring Report
NCDOT Maintenance Facility
1302 Prison Camp Road Newton, North Carolina
DEQ Incident No. 27696
H&H Job No. DOT-453

Dear Brad:
On behalf of NCDOT, Hart & Hickman, PC (H&H) is providing the attached Active
Remediation Monitoring Report for the above referenced site in hard copy format and in PDF
format on CD. If you have any questions, please let me know.
Sincerely,
Hart & Hickman, PC
Matt Bramblett
Principal and Project Manager Enclosures

cc: Robin Maycock, NCDOT (via email and US Mail)

#C-1269 Engineering
#-245 Geology

Active Remediation Monitoring Report
NCDOT Maintenance Facility

1302 Prison Camp Rd.
Newton, North Carolina
Groundwater Incident No. 27696

H&H Job No. DOT-453
August 5, 2016

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Title Page

Site Information:
NCDOT Maintenance Facility
1302 Prison Camp Road
Newton, North Carolina
Groundwater Incident No. 27696
Latitude/Longitude: N35° 37’ 1” W81° 12’ 39”

Risk Classification: Intermediate

Land Use:
Subject property is industrial and used for NCDOT equipment storage and maintenance.
Surrounding properties are commercial and light industrial.
Property Owner North Carolina Department of Transportation
Roadside Environmental Unit (Attn: Robin Maycock)
1557 Mail Service Center
Raleigh, NC 27699
Consultant:
Hart & Hickman, PC
2923 South Tryon Street, Suite 100
Charlotte, NC 28203
[phone]
Release Information: Date of Release Discovery = October 2003
Quantity of Release = Unknown
Source of Release = UST and/or Associated Piping
Material Released = Unleaded gasoline
Laboratory: Pace Analytical Services, Inc., NC Certification No. 12.

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Active Remediation Monitoring Report
NCDOT Maintenance Facility
Newton, North Carolina
H&H Job No. DOT-453

Table of Contents

Section Page No.
1.0 Introduction .............................................................................................................................1
2.0 Site History ..............................................................................................................................2
3.0 Summary of Potential Receptor Information .......................................................................5
3.1 Water Supply Wells ..............................................................................................................5
3.2 Surface Water........................................................................................................................5
4.0 Groundwater Sampling ..........................................................................................................6
4.1 Water Levels and Free Product .............................................................................................6
4.2 Monitoring Well Analytical Data .........................................................................................6
4.3 Groundwater Concentration Trends ......................................................................................8
5.0 Remediation System Operation and Performance...............................................................9
5.1 Soil Vapor Extraction / In-Well Aeration System ................................................................9
5.2 Free Product Recovery System ...........................................................................................10
6.0 Conclusions and Recommendations ....................................................................................11

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List of Tables

Table 1 Summary of Monitoring Well Construction and Groundwater Elevation Data
Table 2 Summary of Historical Groundwater Analytical Results
Table 3 Summary of Dissolved Oxygen and Site Geochemical Data
Table 4 Soil Vapor Extraction System Data
Table 5 In-Well Aeration System Data
Table 6 Remediation System Well Data
Table 7 Summary of Off-Gas Sampling Results (mg/m3)
Table 8 Summary of Estimated Mass Removal Rates
Table 9 Summary of Free Product Recovery – MW-6

List of Figures

Figure 1 Site Location Map
Figure 2 Water Supply Well Survey Map
Figure 3 Site Map
Figure 4 Shallow Groundwater Potentiometric Map (June 2016)
Figure 5 Free Product Plume (June 2016)
Figure 6 BTEX Concentrations in Shallow Groundwater (June 2016)
Figure 7 Benzene Concentrations in Shallow Groundwater (June 2016)
Figure 8 Total Xylene Concentrations in Shallow Groundwater (June 2016)
Figure 9 MTBE Concentrations in Shallow Groundwater (June 2016)
Figure 10 SVE/IWS Remediation System Layout
Figure 11 Product Recovery System Layout

List of Appendices

Appendix A Laboratory Analytical Data for Monitoring Wells
Appendix B SVE System / In-Well Air Stripper Operation and Maintenance Logs
Appendix C SVE Off-Gas Laboratory Analytical Results

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Active Remediation Monitoring Report
NCDOT Maintenance Facility
Newton, North Carolina
H&H Job No. DOT-453

1.0 Introduction

On behalf of the North Carolina Department of Transportation (NCDOT), Hart & Hickman, PC
(H&H) has prepared this Active Remediation Monitoring Report for the NCDOT Maintenance
Facility located at 1302 Prison Camp Road in Newton, Catawba County, North Carolina. The
property is currently occupied by NCDOT and used as an equipment maintenance facility
(Figure 1). The North Carolina Department of Environmental Quality (DEQ and formerly
DENR) incident number for the site is 27696, and it is classified as intermediate-risk due to the
presence of free product. No active water supply wells are located within 1,000 feet of the source
area (Figure 2). This report documents the results of groundwater sampling performed by H&H
in June 2016 and the operation and maintenance (O&M) activities for the period of January 2016
through June 2016. A site map is included as Figure 3.

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2.0 Site History

The site is an active NCDOT equipment maintenance facility encompassing approximately
50 acres. Gasoline underground storage tanks (USTs), an oil/water separator and a fuel oil UST
were removed previously from the property. Currently, the NCDOT operates one 15,000-gallon
gasoline UST and one 15,000-gallon diesel UST on the subject site.

In April 2003, NCDOT personnel removed an oil/water separator that received liquids from the
adjacent equipment washhouse. During removal of the separator, impacted soils were observed
and approximately 175 cubic yards of impacted soils were removed. After the soil excavation,
soil impacts remained. NCDOT contracted with H&H to conduct additional soil and
groundwater sampling in the vicinity of the former oil/water separator to delineate the extent of
these impacts. The extent of impacts associated with the former oil/water separator was
delineated, and impacts were reported in the September 2004 Comprehensive Site Assessment
(CSA).

After detecting gasoline related impacts in groundwater at the former oil/water separator, H&H
discussed potential former UST locations with NCDOT personnel. NCDOT personnel identified
an area located northeast of the old shop building as previously containing a gasoline UST
system that had been removed (Figure 3).

In 2003 and 2004, H&H installed soil borings and monitoring wells in and surrounding the area
that contained the former gasoline UST system. Soil and groundwater impacts including free
product were detected. Soil samples indicate gasoline-type constituents in excess of the
Maximum Soil Contaminant Concentrations (MSCCs). Based on the data collected, the
horizontal and vertical extent of soil impacts was reasonably well delineated. The data indicate
that the soil impacted above soil to groundwater MSCCs cover an area of approximately
16,000 ft2 and extends vertically to the water table (approximately 30 feet below grade).

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Groundwater samples were collected in 2003 from site monitoring and recovery wells and
submitted for laboratory analyses. VOCs, lead, and VPH were detected above groundwater
standards. Benzene was detected in shallow groundwater at concentrations up to 35,000 µg/l,
which exceeded the groundwater standard of 1 µg/l and the Gross Contamination Level (GCL) of
5,000 µg/l. Ethylene dibromide (EDB) and 1,2-dichloroethane (DCA) were also detected at
concentrations exceeding GCLs. Based on the data collected, the horizontal and vertical extent
of groundwater impacts was reasonably well delineated.

Based on the presence of free product, Aggressive Fluid Vapor Recovery (AFVR) and Mobile
Multi-Phase Extraction (MMPE) events were conducted. Due to the persistence of the free
product, NCDOT directed H&H to install an interim soil vapor extraction remediation system
(SVE) to remove free product and treat source area soils. The SVE system was installed in 2004
and is still in operation at the site. In March 2008, a free product recovery system utilizing six
pneumatic free product only recovery pumps was installed by others to accelerate the removal of
free product from the site. The product recovery system was in operation until March 2011 when
it was removed because free product was no longer being effectively removed. In March 2011,
H&H installed an in-well aeration system (IWS) to assist with removal of the remaining free
product. In August 2012, a free product pump was re-installed in MW-6 due to the sustained
accumulation of free product in this well. Currently, SVE, and free product recovery from MW-
6 are taking place on the site.

In a Notice of Regulatory Requirements letter dated February 15, 2013, DEQ requested sampling
of site monitoring wells MW-1, MW-1D, MW-3, MW-5, MW-9, MW-14 through MW-19, MW-
21, MW-22 and MW-25 through MW-29 on a semi-annual basis. This sampling schedule was
starting June 2013 and followed through December 2015.

Following a January 26, 2016 meeting attended by DEQ, NCDOT and H&H, DEQ approved in a
February 18, 2016 Acknowledgement of Report Receipt letter the removal of monitoring wells
MW-1, MW-1D, MW-5, MW-9, MW-15 through MW-18, MW-22 and MW-28 from the
required sampling schedule.

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During the same DEQ meeting, it was decided that perimeter monitoring wells MW-7, MW-8,
MW-20, MW-23, MW-24, MW-30, MW-31, MW-32 and recovery well RW-11 (located outside
the source area) would be permanently abandoned. In addition, DEQ approved a 96-hour MMPE
event (following remediation well scrubbing) that would be performed to address source area
free product in the vicinity of MW-6. H&H performed the proposed well abandonments and
well cleaning on July 14 and 15, 2016, and the 96 hour MMPE event during the week of July 18,
2016. Results of the above activities will be reported in the January 2017 Active Remediation
Monitoring Report.

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3.0 Summary of Potential Receptor Information

3.1 Water Supply Wells

No active water supply wells are located within 1,000 feet of the source area. WSW-1, located
within 250 feet of the source area, was abandoned permanently on October 10, 2005. WSW-2,
located on the subject site approximately 670 feet from the source area, is out of service;
permanently sealed with a welded cap; and buried below grade. WSW-16, located
approximately 600 feet from the source area at the Department of Corrections facility at
1347 Prison Camp Road, is out of service and permanently sealed with a four-inch thick concrete
pad. WSW-5 is approximately 1,065 feet from the source area. Therefore, no water supply wells
are located within 1,000 feet of the source area. Based on this information, the site was
downgraded in 2008 from a high risk to an intermediate risk site. The locations of the former
supply wells are shown on Figure 2.

3.2 Surface Water

The closest surface water feature to the subject property is Bills Branch. Bills Branch is located
to the north and west of the subject site. The closest point of Bills Branch to the source area is
approximately 2,000 ft to the north (Figure 1). Bills Branch discharges to Clark Creek
approximately 7,500 ft southwest of the source area.

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4.0 Groundwater Sampling

4.1 Water Levels and Free Product

On June 9, 2016, H&H personnel shut down the soil and groundwater remediation systems and
removed the free product recovery pump following an O&M visit in preparation for groundwater
gauging and sampling. On June 14, 2016, H&H gauged water levels in the site monitoring wells.
Monitoring well gauging and top of casing (TOC) data is included in Table 1. A shallow
groundwater potentiometric map, along with estimated water table elevations, is shown on Figure
4. Based on the June 2016 groundwater gauging event and generally consistent with prior data
sets, the groundwater flow direction is generally to the northwest.

Free product (0.17 ft) was detected in source area monitoring well MW-6 (a product pumping
well). Free product was also detected in recovery well RW-2 (0.13 ft) during the June 14, 2016
gauging event. The estimated and inferred extent of the free product plume, considering
recovery well data and other relatively recent free product measurements, is shown on Figure 5.

4.2 Monitoring Well Analytical Data

In a DEQ Acknowledgement of Report Receipt letter dated February 18, 2016, NCDOT was
given permission to remove previously sampled wells MW-1, MW-1D, MW-5, MW-9, MW-15
through MW-18, MW-22 and MW-28 from the semi-annual sampling schedule. As a result,
monitoring wells MW-3, MW-14, MW-19, MW-21, MW-25 through MW-27 and MW-29 were
sampled on June 14, 2016.

Prior to sampling, dissolved oxygen readings were obtained, and the monitoring wells were
purged until pH, temperature, and conductivity stabilized. Groundwater samples were then
collected using dedicated polyethylene bailers, poured in laboratory-supplied containers, marked
with identifying labels, and placed in an iced cooler for shipment under chain-of-custody to a
certified laboratory for analysis. Groundwater samples were analyzed for volatile organic
compounds (VOCs) by Standard Method 6200B.

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Petroleum-related impacts were detected above NC 2L groundwater standards in monitoring
wells MW-3, MW-14, MW-21, MW-25, and MW-29 (Table 2). Petroleum impacted
groundwater extends from the former UST basin primarily to the west, but also slightly to the
north. The highest concentrations were detected in monitoring well MW-3, which is located
downgradient of the source area. Benzene was detected in MW-3 at a concentration of 1,230
µg/l. No petroleum-related impacts were previously detected in well MW-1D, a Type-III vertical
extent monitoring well. Based on the multiple sampling events showing no impacts in this
deeper well, it was removed from the current sampling schedule. No VOCs were detected above
Gross Contamination Levels (GCLs) in the wells sampled during the June 2016 sampling event,
although free product was present in one site monitoring and one recovery well during the semi-
annual sampling event.

Isoconcentration maps of BTEX, benzene, xylenes and MTBE in shallow monitoring wells are
included as Figures 6 through 9, respectively. The plume maps indicate that impacted
groundwater is delineated and limited to an area within the subject property boundaries.
Groundwater sampling results are summarized in Table 2 and Appendix A. Select historical
groundwater sampling results obtained by H&H and others are also provided in Table 2 for
comparison.

To evaluate further groundwater conditions at the site, H&H collected dissolved oxygen (DO)
and other geochemical parameters in each monitoring well (Table 3). DO is used by microbes as
an electron acceptor in the biodegradation of petroleum hydrocarbons. Biodegradation of
petroleum compounds most efficiently occurs under aerobic conditions (DO concentrations
greater than 1 mg/l), but can also occur under anaerobic conditions (DO concentrations less than
1 mg/l). During the June 2016 groundwater sampling event, DO in the shallow monitoring wells
ranged from 0.19 mg/l (monitoring well MW-11) to 8.65 mg/l (MW-1). Generally, lower DO
concentrations were observed in source area and impacted wells as compared to non-impacted
wells. These data suggest aerobic biodegradation is occurring in the plume. A summary of DO
concentrations collected during the June 2016 sampling event is provided in Table 3.

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4.3 Groundwater Concentration Trends

Comparing June 2016 groundwater sampling results to December 2015 sampling results, target
compound concentrations continue to decrease in general (Table 2). Benzene concentrations in
near source area monitoring well MW-14 decreased from 409 µg/l in December 2015 to 143 µg/l
in June 2016. Benzene impacts also decreased in MW-21 (324 µg/l to 144 µg/l), and MW-25
(197 µg/l to 183 µg/l). Benzene concentrations increased slightly in MW-3 from 1,120 µg/l in
December 2015 to 1,230 µg/l in June 2016. In general, petroleum related VOC concentrations
have decreased since 2007.

On January 13, 2014, H&H utilized a Trimble 6000 XT Global Positioning System (GPS) unit
with sub-meter accuracy to determine the coordinates of each site monitoring well. GPS
coordinates for each monitoring well are provided in Table 1.

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5.0 Remediation System Operation and Performance

5.1 Soil Vapor Extraction / In-Well Aeration System

H&H monitors the performance of the SVE/IWS system by conducting monthly O&M visits.
The SVE system utilizes a 4 hp Gast regenerative blower and extracts soil gas from monitoring
wells and recovery wells in the vicinity of the former UST basin (Figure 10). The SVE system
operational status, number of hours of operation, inlet vacuum, airflow, and off-gas PID readings
are recorded during each site visit (Table 4). During the period, the SVE system ran without
incident although the IWS was off during the April 2016 site visit due to an air compressor
shutdown. The air compressor was restarted at that time and operated until June 9, 2016, when
the SVE and IWS systems were shut down prior to the June 14, 2016 semi-annual groundwater
sampling event. Currently, IWS is being performed on select wells in the eastern and western
remediation fields. The compressor is capable of producing sufficient airflow for approximately
five IWS wells at a time. The current wells with IWS operating are MW-13, RW-2, RW-5, RW-
6, and RW-12 (Figure 10). IWS system checks included review of operational status, air
compressor condition, air injection pressures, and select well gauging to monitor the performance
of the IWS/SVE system in the removal of free product from the site (Tables 4, 5 and 6). As
requested by DEQ in an Acknowledgement of Report letter dated November 11, 2011,
monitoring wells MW-15 and MW-16 were gauged during each monthly O&M visit for the
presence of free product that may have been mobilized by the IWS system. Due to a NCDOT
site funding delay, site visits were not performed during the months of March and April 2016.
No free product has been detected in either MW-15 or MW-16 to date. An O&M log sheet is
completed during each site visit and kept in a bound folder. Remediation system operational logs
are provided in Appendix B.

Off-gas samples are collected from the SVE exhaust on a semi-annual basis for laboratory
analysis using EPA Method TO-3 to determine estimated off-gas removal rates (Tables 7 and 8).
Using the air sample data collected on June 9, 2016 as an average value for the period,
approximately 74 lbs of Total Recoverable Petroleum Hydrocarbons (TRPH) were removed
during the 192 days of operation from December 1, 2015 to June 9, 2016. Off-gas laboratory

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analytical data are provided in Appendix C. Please note that the units of ppmv in the laboratory
report were converted to mg/m3 for calculations.

5.2 Free Product Recovery System

The free product recovery pump installed in MW-6 consists of a 55-gallon product recovery tank,
which is grounded and equipped with a high level shut-off switch and galvanized steel vent pipe.
Air line is run from a QED C-100 controller inside the remediation building to MW-6 to provide
air for the pneumatic product recovery pump. A product return line is installed within a
protective 2” PVC secondary containment chase from MW-6 to the product recovery tank
(Figure 11). A product only recovery pump (QED model SPG2 AutoGenieTM) is utilized for
product recovery.

The product recovery pump in MW-6 was started on August 31, 2012. Product recovery well
MW-6 was plumbed so that SVE can take place simultaneous with free product recovery
pumping. The vacuum applied to MW-6 by the SVE system should accelerate product migration
to the recovery well, potentially increasing product recovery. The IWS system is currently
operating on MW-11, RW-2, RW-4, RW-8 and RW-12 using a separate QED C-100 controller.

Since start-up of the product recovery pump on August 31, 2012, approximately 31.3 gallons of
free product have been recovered from MW-6 (Table 9). The pump in MW-6 is pulled
periodically to confirm it is set correctly and there are no mechanical issues. On November 24,
2015, NCDOT personnel shut down the air compressor due to excessive noise from the unit. On
December 1, 2016, H&H performed the first monthly O&M visit of the period and replaced a
slipping belt on the air compressor. H&H then restarted the compressor and recovery pump. The
recovery pump ran without issue during January and February 2016, but was not operating when
H&H personnel arrived to perform the May 2016 O&M visit. When the air compressor was
restarted, the pump was not operational and had to be pulled and cleaned before it would operate
as designed. The pump ran without issue until it was shut down and removed from MW-6 on
June 9, 2016, prior to the June 14, 2016 groundwater sampling event. The skimmer pump was
reinstalled in MW-6 and restarted on June 14, 2016 following the semi-annual groundwater
sampling event and is currently operating as designed.

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6.0 Conclusions and Recommendations

Gasoline related impacts including free product are present at the NCDOT maintenance facility
in Newton due to a former UST system release. The NCDOT maintenance facility ranks as an
intermediate risk site based on the presence of free product.

During the June 2016 groundwater sampling event, petroleum related impacts were detected
above groundwater standards in monitoring wells MW-3, MW-14, MW-21, MW-25, and MW-
29. Free product remains in and near source area monitoring well MW-6. Petroleum impacted
groundwater extends from the former UST basin primarily to the west. The highest benzene
concentration was detected in monitoring well MW-3, which is located downgradient of the
source area. Benzene was detected in MW-3 at a concentration of 1,230 µg/l in June 2016.
Overall, petroleum VOC concentrations have decreased since 2007. June 2016 sampling results
indicate the groundwater plume is not migrating, and is located within the NCDOT property
boundaries.

Based on the removal of an estimated 74 lbs of TRPH by the combination SVE/IWS over the
past 192 days, the recovery of approximately 31.3 gallons of free product since 2012 utilizing the
recovery pump installed in MW-6, and the decrease in the number of monitor wells containing
free product and remaining product thickness, H&H believes the remediation system is operating
as designed. The next semi-annual sampling event is scheduled to take place in December 2016
and an Active Remediation Monitoring Report will be prepared in January 2017.

Table 1 (Page 1 of 3)
Summary of Monitoring Well Construction and Groundwater Elevation Data
NCDOT
Newton, North CarolinaH&H Job No. DOT- 453
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Table 1 (Page 1 of 3)Hart & Hickman, PC
Well Well Well Screen Well TOC Well TOC Water Water Table TOC Water Water Table TOC Water Water Table TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table
Location Location Diameter Interval Elevation Depth Table Depth Elevation**Table Depth Elevation**Table Depth Elevation**Table Depth Depth Thickness Elevation**Table Depth Depth Thickness Elevation
Longitude Latitude (in)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
MW-1D -81.21065832090 35.61714838580 2 75-80 97.08 80 --------26.85 70.23 27.36 ----69.72 --------
MW-1 -81.21076310570 35.61721782340 2 25-40 96.92 40 29.12 67.80 28.19 68.73 26.98 69.94 27.32 ----69.60 28.78 ----68.14
MW-2 -81.21072021150 35.61706901860 2 21-36 96.92 36 ----28.09 68.83 26.78 70.14 27.12 ----69.80 28.50 ----68.42
MW-3 -81.21088677410 35.61702938790 2 20-35 94.42 35 ----25.82 68.60 24.58 69.84 24.86 ----69.56 26.35 ----68.07
MW-4 -81.21121228270 35.61732341080 2 15-35 90.90 35 ----22.84 68.06 22.85 68.05 22.11 ----68.79 23.88 ----67.02
MW-5 -81.21047129940 35.61743950260 2 20-35 99.61 35 ----30.91 68.70 29.60 70.01 30.13 ----69.48 31.78 ----67.83
MW-6 -81.21038825770 35.61706801260 2 20-35 99.39 35 --------28.75 70.64 29.60 29.09 0.51 70.16 34.09 -->2'--
MW-7 -81.21004029910 35.61710994910 2 25-40 101.03 40 --------29.75 71.28 30.21 ----70.82 31.85 ----69.18
MW-8 -81.21029579540 35.61684812270 2 20-53 99.66 35 --------28.75 70.91 29.16 ----70.50 30.60 ----69.06
MW-9 -81.21070885200 35.61682614930 2 18-33 96.36 33 --------26.10 70.26 26.39 ----69.97 27.77 ----68.59
MW-10 Destroyed Destroyed 2 10-25 92.58 25 --------23.25 69.33 23.41 ----69.17 25.11 ----67.47
MW-11 -81.21051339580 35.61710561830 2 22-37 99.26 37 --------28.89 70.37 29.41 29.23 0.18 69.98 30.84 --2"--
MW-12 -81.21058696500 35.61701761180 2 22-37 99.04 37 --------28.70 70.34 29.06 NP 0 69.98 30.32 --1/16"--
MW-13 -81.21043001990 35.61716676950 2 22-37 99.27 37 --------28.85 70.42 29.63 29.11 0.52 70.01 30.82 --1.5"--
MW-14 -81.21041366950 35.61731061590 2 17-37 99.21 37 ------------29.26 ----69.95 30.71 ----68.50
MW-15 -81.21027544610 35.61721699550 2 17-37 99.68 37 ------------29.49 ----70.19 30.90 ----68.78
MW-16 -81.21022331910 35.61708636380 2 17-37 99.65 37 ------------29.28 ----70.37 30.72 ----68.93
MW-17 -81.21028146010 35.61696793650 2 17-37 99.59 37 ------------29.07 ----70.52 30.55 ----69.04
MW-18 -81.21042230210 35.61688225590 2 17-37 99.47 37 ------------29.14 ----70.33 30.52 ----68.95
MW-19 -81.21063605930 35.61725573740 2 17-37 97.85 37 ------------28.15 ----69.70 29.68 ----68.17
MW-20 -81.21086351870 35.61728264950 2 17-37 95.75 37 ------------26.31 ----69.44 27.95 ----67.80
MW-21 -81.21070899330 35.61706641180 2 17-37 97.22 37 ------------27.46 ----69.76 28.90 ----68.32
MW-22 -81.21065152570 35.61692684610 2 17-37 97.48 37 ------------27.77 ----69.71 29.10 ----68.38
MW-23 -81.21049771640 35.61679568840 2 17-37 98.62 37 ------------28.39 ----70.23 29.75 ----68.87
MW-24 -81.21063599600 35.61666428140 2 17-37 96.84 37 ------------26.72 ----70.12 28.14 ----68.70
MW-25 -81.21083297090 35.61688067220 2 15-35 94.53 35 ------------24.82 ----69.71 26.27 ----68.26
MW-26 -81.21103011030 35.61717123710 2 15-35 92.44 35 ------------23.21 ----69.23 24.85 ----67.59
MW-27 -81.21105345100 35.61702529470 2 15-30 94.64 30 ------------25.27 ----69.37 26.87 ----67.77
MW-28 -81.21104291220 35.61684941500 2 17-32 94.93 32 ------------25.38 ----69.55 26.91 ----68.02
MW-29 -81.21083877460 35.61674505950 2 12-32 94.71 32 ------------24.91 ----69.80 26.37 ----68.34
MW-30 -81.21076908670 35.61654908610 2 20-35 95.65 35 ------------25.64 ----70.01 27.08 ----68.57
MW-31 -81.21110467210 35.61663088670 2 17-32 92.73 32 ------------23.12 ----69.61 24.69 ----68.04
MW-32 -81.21123956380 35.61718849350 2 NA NS 32.35 NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Notes:
Elevations are approximate and are referenced to an arbitrary site datum
All product thicknesses are apparent
TOC = Top of Casing; '-- = No Data; NS = Not Surveyed; NP = No product detected
NA = Not Available, well was constructed in November 2007
**= Water table elevation is corrected for product assuming it is gasoline with a specific gravity of 0.72
***= Water table elevation not calculated
(MW-6 = 100.61, MW-11= 99.95, MW-12= 99.87, and MW-13= 100.04)
11/5/2003
Monitor Well ID
8/7/20076/14/2004
****=Top of casing reference elevation changed for 12/14 event and thereafter
6/19/2003 7/31/2003
Table 1 (Page 2 of 3)
Summary of Monitoring Well Construction and Groundwater Elevation Data
NCDOT
Newton, North CarolinaH&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T1 MW Summary (2)Date: 8/5/2016
Table 1 (Page 2 of 3)Hart & Hickman, PC
Well Well Well Screen Well TOC Well
Location Location Diameter Interval Elevation Depth
Longitude Latitude (in)(ft)(ft)(ft)
MW-1D -81.21065832090 35.61714838580 2 75-80 97.08 80
MW-1 -81.21076310570 35.61721782340 2 25-40 96.92 40
MW-2 -81.21072021150 35.61706901860 2 21-36 96.92 36
MW-3 -81.21088677410 35.61702938790 2 20-35 94.42 35
MW-4 -81.21121228270 35.61732341080 2 15-35 90.90 35
MW-5 -81.21047129940 35.61743950260 2 20-35 99.61 35
MW-6 -81.21038825770 35.61706801260 2 20-35 99.39 35
MW-7 -81.21004029910 35.61710994910 2 25-40 101.03 40
MW-8 -81.21029579540 35.61684812270 2 20-53 99.66 35
MW-9 -81.21070885200 35.61682614930 2 18-33 96.36 33
MW-10 Destroyed Destroyed 2 10-25 92.58 25
MW-11 -81.21051339580 35.61710561830 2 22-37 99.26 37
MW-12 -81.21058696500 35.61701761180 2 22-37 99.04 37
MW-13 -81.21043001990 35.61716676950 2 22-37 99.27 37
MW-14 -81.21041366950 35.61731061590 2 17-37 99.21 37
MW-15 -81.21027544610 35.61721699550 2 17-37 99.68 37
MW-16 -81.21022331910 35.61708636380 2 17-37 99.65 37
MW-17 -81.21028146010 35.61696793650 2 17-37 99.59 37
MW-18 -81.21042230210 35.61688225590 2 17-37 99.47 37
MW-19 -81.21063605930 35.61725573740 2 17-37 97.85 37
MW-20 -81.21086351870 35.61728264950 2 17-37 95.75 37
MW-21 -81.21070899330 35.61706641180 2 17-37 97.22 37
MW-22 -81.21065152570 35.61692684610 2 17-37 97.48 37
MW-23 -81.21049771640 35.61679568840 2 17-37 98.62 37
MW-24 -81.21063599600 35.61666428140 2 17-37 96.84 37
MW-25 -81.21083297090 35.61688067220 2 15-35 94.53 35
MW-26 -81.21103011030 35.61717123710 2 15-35 92.44 35
MW-27 -81.21105345100 35.61702529470 2 15-30 94.64 30
MW-28 -81.21104291220 35.61684941500 2 17-32 94.93 32
MW-29 -81.21083877460 35.61674505950 2 12-32 94.71 32
MW-30 -81.21076908670 35.61654908610 2 20-35 95.65 35
MW-31 -81.21110467210 35.61663088670 2 17-32 92.73 32
MW-32 -81.21123956380 35.61718849350 2 NA NS 32.35
Notes:
Elevations are approximate and are referenced to an arbitrary site datum
All product thicknesses are apparent
TOC = Top of Casing; '-- = No Data; NS = Not Surveyed; NP = No product detected
NA = Not Available, well was constructed in November 2007
**= Water table elevation is corrected for product assuming it is gasoline with a specific gravity of 0.72
***= Water table elevation not calculated
(MW-6 = 100.61, MW-11= 99.95, MW-12= 99.87, and MW-13= 100.04)
Monitor Well ID
****=Top of casing reference elevation changed for 12/14 event and thereafter
TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table
Table Depth Depth Thickness Elevation**Table Depth Depth Thickness Elevation**Table Depth Depth Thickness Elevation**Table Depth Depth Thickness Elevation**
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
31.20 --------------31.88 NP 0.00 65.20 31.48 NP 0.00 65.60
31.07 ----65.85 --------31.86 NP 0.00 65.06 31.39 NP 0.00 65.53
30.77 ----66.15 --------31.73 31.51 0.22 65.35 31.16 31.15 0.01 65.77
28.56 ----65.86 --------29.38 NP 0.00 65.04 28.94 NP 0.00 65.48
25.96 ----64.94 --------
34.04 ----65.57 --------34.79 NP 0.00 64.82 34.40 NP 0.00 65.21
35.18 33.13 2.05 65.69 33.42 33.34 0.08 66.03 33.21 NP 0.00 66.18 34.44 34.32 0.12 ***
34.34 ----66.69 --------34.98 NP 0.00 66.05 34.40 NP 0.00 66.63
33.01 ----66.65 --------33.61 NP 0.00 66.05 33.28 NP 0.00 66.38
30.12 ----66.24 --------30.79 NP 0.00 65.57 30.38 NP 0.00 65.98
33.70 33.52 0.18 65.69 33.07 NP 0 66.19 33.59 33.22 0.37 65.94 35.26 33.71 1.55 ***
33.62 33.60 0.02 65.43 33.07 33.05 0.02 65.98 33.32 33.22 0.10 65.79 34.09 33.96 0.13 ***
35.81 33.23 2.58 65.32 33.42 33.02 0.40 66.14 33.19 NP 0.00 66.08 34.25 NP 0.00 ***
33.03 ----66.18 --------33.72 NP 0.00 65.49 33.40 NP 0.00 65.81
33.29 ----66.39 --------33.94 NP 0.00 65.74 33.65 NP 0.00 66.03
33.08 ----66.57 --------33.69 NP 0.00 65.96 33.40 NP 0.00 66.25
32.95 ----66.64 --------33.53 NP 0.00 66.06 33.23 NP 0.00 66.36
32.91 ----66.56 --------33.54 NP 0.00 65.93 33.27 NP 0.00 66.20
31.91 ----65.94 --------32.64 NP 0.00 65.21 32.24 NP 0.00 65.61
30.13 ----65.62 --------30.99 NP 0.00 64.76 30.43 NP 0.00 65.32
31.20 ----66.02 --------32.02 NP 0.00 65.20 31.56 NP 0.00 65.66
31.45 ----66.03 --------32.06 NP 0.00 65.42 31.82 NP 0.00 65.66
32.16 ----66.46 --------32.76 NP 0.00 65.86 32.46 NP 0.00 66.16
30.52 ----66.32 --------31.12 NP 0.00 65.72 30.75 NP 0.00 66.09
28.54 ----65.99 --------29.30 NP 0.00 65.23 28.89 NP 0.00 65.64
26.97 ----65.47 --------27.88 NP 0.00 64.56 27.33 NP 0.00 65.11
28.97 ----65.67 --------29.90 NP 0.00 64.74 29.34 NP 0.00 65.30
29.10 ----65.83 --------29.92 NP 0.00 65.01 29.42 NP 0.00 65.51
28.67 ----66.04 --------29.38 NP 0.00 65.33 28.98 NP 0.00 65.73
29.45 ----66.20 --------30.01 NP 0.00 65.64 29.62 NP 0.00 66.03
26.90 ----65.83 --------27.72 NP 0.00 65.01 27.17 NP 0.00 65.56
25.48 ----NA --------26.48 NP 0.00 NA 25.82 NP 0.00 NA
DESTROYED
COULD NOT LOCATE
12/10/2012
DESTROYED
6/5/2013
COULD NOT LOCATE
DESTROYED
2/19/2008 3/29/2011
DESTROYED
Table 1 (Page 3 of 3)
Summary of Monitoring Well Construction and Groundwater Elevation Data
NCDOT
Newton, North CarolinaH&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T1 MW Summary (2)Date: 8/5/2016
Table 1 (Page 3 of 3)Hart & Hickman, PC
Well Well Well Screen Well TOC Well
Location Location Diameter Interval Elevation Depth
Longitude Latitude (in)(ft)(ft)(ft)
MW-1D -81.21065832090 35.61714838580 2 75-80 97.08 80
MW-1 -81.21076310570 35.61721782340 2 25-40 96.92 40
MW-2 -81.21072021150 35.61706901860 2 21-36 96.92 36
MW-3 -81.21088677410 35.61702938790 2 20-35 94.42 35
MW-4 -81.21121228270 35.61732341080 2 15-35 90.90 35
MW-5 -81.21047129940 35.61743950260 2 20-35 99.61 35
MW-6 -81.21038825770 35.61706801260 2 20-35 99.39 35
MW-7 -81.21004029910 35.61710994910 2 25-40 101.03 40
MW-8 -81.21029579540 35.61684812270 2 20-53 99.66 35
MW-9 -81.21070885200 35.61682614930 2 18-33 96.36 33
MW-10 Destroyed Destroyed 2 10-25 92.58 25
MW-11 -81.21051339580 35.61710561830 2 22-37 99.26 37
MW-12 -81.21058696500 35.61701761180 2 22-37 99.04 37
MW-13 -81.21043001990 35.61716676950 2 22-37 99.27 37
MW-14 -81.21041366950 35.61731061590 2 17-37 99.21 37
MW-15 -81.21027544610 35.61721699550 2 17-37 99.68 37
MW-16 -81.21022331910 35.61708636380 2 17-37 99.65 37
MW-17 -81.21028146010 35.61696793650 2 17-37 99.59 37
MW-18 -81.21042230210 35.61688225590 2 17-37 99.47 37
MW-19 -81.21063605930 35.61725573740 2 17-37 97.85 37
MW-20 -81.21086351870 35.61728264950 2 17-37 95.75 37
MW-21 -81.21070899330 35.61706641180 2 17-37 97.22 37
MW-22 -81.21065152570 35.61692684610 2 17-37 97.48 37
MW-23 -81.21049771640 35.61679568840 2 17-37 98.62 37
MW-24 -81.21063599600 35.61666428140 2 17-37 96.84 37
MW-25 -81.21083297090 35.61688067220 2 15-35 94.53 35
MW-26 -81.21103011030 35.61717123710 2 15-35 92.44 35
MW-27 -81.21105345100 35.61702529470 2 15-30 94.64 30
MW-28 -81.21104291220 35.61684941500 2 17-32 94.93 32
MW-29 -81.21083877460 35.61674505950 2 12-32 94.71 32
MW-30 -81.21076908670 35.61654908610 2 20-35 95.65 35
MW-31 -81.21110467210 35.61663088670 2 17-32 92.73 32
MW-32 -81.21123956380 35.61718849350 2 NA NS 32.35
Notes:
Elevations are approximate and are referenced to an arbitrary site datum
All product thicknesses are apparent
TOC = Top of Casing; '-- = No Data; NS = Not Surveyed; NP = No product detected
NA = Not Available, well was constructed in November 2007
**= Water table elevation is corrected for product assuming it is gasoline with a specific gravity of 0.72
***= Water table elevation not calculated
(MW-6 = 100.61, MW-11= 99.95, MW-12= 99.87, and MW-13= 100.04)
Monitor Well ID
****=Top of casing reference elevation changed for 12/14 event and thereafter
TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table TOC Water TOC Product Product Water Table
Table Depth Depth Thickness Elevation**Table Depth Depth Thickness Elevation Table Depth Depth Thickness Elevation Table Depth Depth Thickness Elevation Table Depth Depth Thickness Elevation Table Depth Depth Thickness Elevation
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
30.07 NP 0.00 67.01 29.26 NP 0.00 67.82 29.58 NP 0.00 67.50 29.81 NP 0.00 67.27 30.32 NP 0.00 66.76 28.87 NP 0.00 68.21
30.06 NP 0.00 66.86 29.22 NP 0.00 67.70 29.62 NP 0.00 67.30 29.75 NP 0.00 67.17 29.95 NP 0.00 66.97 28.45 NP 0.00 68.47
29.79 NP 0.00 67.13 28.93 NP 0.00 67.99 29.19 NP 0.00 67.73 29.45 NP 0.00 67.47 29.88 NP 0.00 67.04 28.52 NP 0.00 68.40
27.61 NP 0.00 66.81 26.81 NP 0.00 67.61 27.12 NP 0.00 67.30 27.26 NP 0.00 67.16 27.52 NP 0.00 66.90 26.09 NP 0.00 68.33
32.98 NP 0.00 66.63 32.16 NP 0.00 67.45 32.53 NP 0.00 67.08 32.75 NP 0.00 66.86 33.16 NP 0.00 66.45 31.60 NP 0.00 68.01
32.01 31.55 0.46 ***30.22 30.07 0.15 Pump Installed 32.29 32.23 0.06 Pump Installed 33.25 32.78 0.47 Pump Installed 33.16 33.13 0.03 Pump Installed 31.85 31.68 0.17 68.88****
33.00 NP 0.00 68.03 32.05 NP 0.00 68.98 32.57 NP 0.00 68.46 32.77 NP 0.00 68.26 33.40 NP 0.00 67.63 31.98 NP 0.00 69.05
31.83 NP 0.00 67.83 30.92 NP 0.00 68.74 31.28 NP 0.00 68.38 31.54 NP 0.00 68.12 32.10 NP 0.00 67.56 30.72 NP 0.00 68.94
29.05 NP 0.00 67.31 28.21 NP 0.00 68.15 28.50 NP 0.00 67.86 28.70 NP 0.00 67.66 29.23 NP 0.00 67.13 27.62 NP 0.00 68.74
31.86 NP 0.00 ***31.61 NP 0.00 68.34 31.72 NP 0.00 68.23****32.32 NP 0.00 67.63****32.52 NP 0.00 67.43****31.19 NP 0.00 68.76****
31.69 NP 0.00 ***31.61 NP 0.00 68.26 31.75 NP 0.00 68.12****32.27 NP 0.00 67.60****32.55 NP 0.00 67.32****31.24 NP 0.00 68.63****
31.89 NP 0.00 ***31.65 NP 0.00 68.39 31.72 31.69 0.03 68.32****32.48 NP 0.00 67.56****32.56 NP 0.00 67.48****31.06 NP 0.00 68.98****
32.00 NP 0.00 67.21 31.10 NP 0.00 68.11 31.42 NP 0.00 67.79 31.71 NP 0.00 67.50 32.25 NP 0.00 66.96 30.50 NP 0.00 68.71
32.21 NP 0.00 67.47 31.28 NP 0.00 68.40 31.64 NP 0.00 68.04 31.94 NP 0.00 67.74 32.52 NP 0.00 67.16 30.74 NP 0.00 68.94
31.99 NP 0.00 67.66 31.05 NP 0.00 68.60 31.40 NP 0.00 68.25 31.64 NP 0.00 68.01 32.28 NP 0.00 67.37 30.65 NP 0.00 69.00
31.84 NP 0.00 67.75 30.89 NP 0.00 68.70 31.25 NP 0.00 68.34 31.50 NP 0.00 68.09 32.08 NP 0.00 67.51 30.63 NP 0.00 68.96
31.84 NP 0.00 67.63 30.93 NP 0.00 68.54 31.23 NP 0.00 68.24 31.50 NP 0.00 67.97 32.01 NP 0.00 67.46 30.50 NP 0.00 68.97
30.90 NP 0.00 66.95 30.04 NP 0.00 67.81 30.39 NP 0.00 67.46 30.57 NP 0.00 67.28 31.00 NP 0.00 66.85 29.38 NP 0.00 68.47
29.15 NP 0.00 66.60 28.33 NP 0.00 67.42 28.75 NP 0.00 67.00 29.87 NP 0.00 65.88 28.30 NP 0.00 67.45 26.74 NP 0.00 69.01
30.14 NP 0.00 67.08 29.37 NP 0.00 67.85 29.63 NP 0.00 67.59 29.83 NP 0.00 67.39 30.21 NP 0.00 67.01 28.65 NP 0.00 68.57
30.38 NP 0.00 67.10 29.58 NP 0.00 67.90 29.83 NP 0.00 67.65 30.05 NP 0.00 67.43 30.50 NP 0.00 66.98 28.86 NP 0.00 68.62
31.04 NP 0.00 67.58 30.14 NP 0.00 68.48 30.47 NP 0.00 68.15 30.72 NP 0.00 67.90 31.27 NP 0.00 67.35 29.64 NP 0.00 68.98
29.36 NP 0.00 67.48 28.49 NP 0.00 68.35 28.79 NP 0.00 68.05 29.03 NP 0.00 67.81 29.59 NP 0.00 67.25 28.07 NP 0.00 68.77
27.54 NP 0.00 66.99 26.20 NP 0.00 68.33 27.03 NP 0.00 67.50 27.18 NP 0.00 67.35 27.57 NP 0.00 66.96 26.03 NP 0.00 68.50
26.10 NP 0.00 66.34 25.28 NP 0.00 67.16 25.67 NP 0.00 66.77 25.73 NP 0.00 66.71 25.75 NP 0.00 66.69 24.51 NP 0.00 67.93
28.11 NP 0.00 66.53 27.28 NP 0.00 67.36 27.65 NP 0.00 66.99 27.70 NP 0.00 66.94 27.83 NP 0.00 66.81 26.50 NP 0.00 68.14
28.14 NP 0.00 66.79 27.32 NP 0.00 67.61 27.68 NP 0.00 67.25 27.75 NP 0.00 67.18 28.03 NP 0.00 66.90 26.70 NP 0.00 68.23
27.62 NP 0.00 67.09 26.80 NP 0.00 67.91 27.08 NP 0.00 67.63 27.27 NP 0.00 67.44 27.68 NP 0.00 67.03 26.10 NP 0.00 68.61
28.23 NP 0.00 67.42 27.35 NP 0.00 68.30 27.69 NP 0.00 67.96 27.91 NP 0.00 67.74 28.46 NP 0.00 67.19 26.96 NP 0.00 68.69
25.90 NP 0.00 66.83 24.99 NP 0.00 67.74 25.40 NP 0.00 67.33 25.50 NP 0.00 67.23 25.74 NP 0.00 66.99 24.28 NP 0.00 68.45
25.76 NP 0.00 NA 23.76 NP 0.00 NA 24.28 NP 0.00 NA 24.23 NP 0.00 NA 24.06 NP 0.00 NA 22.73 NP 0.00 NA

12/16/2014
UNABLE TO LOCATE
DESTROYED
12/19/2013 6/3/2014
UNABLE TO LOCATE
DESTROYED
6/14/2016
UNABLE TO LOCATE
DESTROYED
12/15/20156/18/2015
UNABLE TO LOCATE
DESTROYED
UNABLE TO LOCATE UNABLE TO LOCATE
DESTROYEDDESTROYED
Table 2 (Page 1 of 8)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T2 Historical GW Data
Date: 8/5/2016
Table 2 (Page 1 of 8)Hart & Hickman, PC
Sample ID
Sample Date 8/8/07 2/19/08 12/12/12 6/7/13 12/19/13 6/4/14 12/16/14 6/18/15 12/16/15 8/8/07 2/19/08 12/11/12 6/7/13 12/19/13 6/4/14 12/16/14 6/18/15 12/16/15 8/8/07 2/19/08 12/10/12 8/8/07 2/19/08 12/12/12 6/7/13 12/19/13 6/3/14 12/17/14 6/19/15 12/16/15 6/14/16
Units (µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)
VOCs
Benzene 1 5,000 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 43,200 27,000 FP 2,290 1,100 813 1,400 1,280 1,460 572 847 1,120 1,230
n-Butylbenzene 70 6,900 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <25 190 FP <0.5 65 <2.5 <5.0 <6.2 <5.0 <2.5 <2.5 <5.0 <0.5
sec-Butylbenzene 70 8,500 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <25 <20 FP 13.3 <5.0 <2.5 <5.0 <6.2 <5.0 <2.5 <2.5 <5.0 <0.5
tert-Butylbenzene 70 15,000 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <25 <20 FP 1.1 <5.0 <2.5 <5.0 <6.2 <5.0 <2.5 <2.5 <5.0 <0.5
Chloroform 70 70,000 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 2.6 1.3 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <25 <20 FP <0.5 <5.0 <2.5 <5.0 <6.2 <5.0 <2.5 <2.5 <5.0 <0.5
1,2-Dibromoethane (EDB)0.02 50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 889 1,100 FP <0.5 <5.0 <2.5 <5.0 <6.2 <5.0 <2.5 <2.5 <5.0 <0.5
1,2-Dichloroethane 0.4 400 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.32 J <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 2,790 2,800 FP 2.9 <5.0 4.8 <5.0 <6.2 5.7 4.7 5.3 <5.0 6.8
1,2-Dichloropropane 0.6 600 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 FP <0.5 <5.0 <2.5 <5.0 <6.2 <5.0 <2.5 <2.5 <5.0 <0.5
Diisopropyl Ether (IPE)70 70,000 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 4,810 5,200 FP 17.3 17 19.4 26.5 24.9 25.5 25.3 25.1 21.7 21.7
Ethylbenzene 600 84,500 <0.5 <0.5 <0.5 0.69 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 2,310 2,900 FP 596 650 584 830 642 751 348 477 539 616
Isopropylbenzene 70 25,000 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 83.3 59 FP 41.1 31 36.4 52.5 43.2 52.3 26.2 35.7 37.6 41.3
p-Isopropyltoluene 25 11,700 <0.5 <0.5 NA NA NA NA NA NA NA <0.5 <0.5 NA NA NA NA NA NA NA <25 <20 FP <0.5 <5.0 NA NA NA NA NA NA NA NA
Methylene Chloride 5 5,000 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <100 <80 FP <2.0 <20 <10 24.8 <25.0 <20.0 <10.0 21.7 <20.0 21.7
Methyl tert-butyl ether (MTBE)20 200,000 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 269 140 FP <0.5 <5.0 <2.5 <5.0 <6.2 <5.0 <2.5 <2.5 <5.0 <0.5
Naphthalene 6 6,000 <2.0 <1.0 <2.0 6.5 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 716 720 FP 207 160 208 270 263 273 144 186 181 221
n-Propylbenzene 70 30,000 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 205 220 FP 53.3 79 86.7 128 109 132 65.2 88.9 91.5 109
Tetrachloroethene 0.7 700 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <25 <20 FP <0.5 <5.0 <2.5 <5.0 <6.2 <5.0 <2.5 <2.5 <5.0 <0.5
Toluene 600 260,000 <0.5 <0.5 <0.5 2.4 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 31,100 33,000 FP 1,060 920 857 1,600 1,440 1,480 452 751 929 1,020
Trichloroethene 3 3,000 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <25 <20 FP <0.5 <5.0 <2.5 <5.0 <5.0 <5.0 <2.5 <2.5 <5.0 <0.5
1,2,4-Trichlorobenzene 70 70,000 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 3.3 <2.0 <2.0 <2.0 <25 <20 FP <0.5 <5.0 <2.5 <5.0 <5.0 <5.0 <2.5 <10 <20.0 <20.0
1,2,4-Trimethylbenzene 400 28,500 <0.5 <0.5 <0.5 7.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1,940 1,700 FP <2.0 640 784 1,020 923 995 650 801 693 789
1,3,5-Trimethylbenzene 400 25,000 <0.5 <0.5 <0.5 2.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 440 490 FP 114 88 51.9 104 74.8 80.5 44.3 63.0 85.3 87.5
Xylenes, Total 500 85,500 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 10,830 17,000 FP 3,940 3,600 3,549 4,670 3,660 4,020 2,036 2,973 2,816 3,140
BTEX, Total NS NS <1.0 <1.0 <1.0 3.09 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 87,440 79,900 FP 7,886 6,270 5,803 8,500 7,022 7,711 3,408 5,048 5,404 6,006
Metals
Total, Lead 15 15,000 <5.0 <5.0 NA NA NA NA NA NA NA <5.0 <5 NA NA NA NA NA NA NA 170 220 NA <5.0 4.2 J NA NA NA NA NA NA NA NA
Chromium 10 10,000 NA 3.2 J NA NA NA NA NA NA NA NA <5 NA NA NA NA NA NA NA NA <5 NA NA <5.0 NA NA NA NA NA NA NA NA
Notes:
Only compounds detected in at least one sample shown above
Bold concentration exceeds 2L ground water standard; Underlined concentration exceeds GCL
VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
NS = Not Specified; ND = Not Dectected; NA = Not Analyzed; FP = Free Product - well not sampled; J = Analyte was identified but value is estimated below reporting limit
CNL = Could not locate well during sampling event
Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-1 MW-3NC 2L GW Standard
NC GCL MW-2MW-1D
Table 2 (Page 2 of 8)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T2 Historical GW Data
Date: 8/5/2016
Table 2 (Page 2 of 8)Hart & Hickman, PC
Sample ID
Sample Date
Units (µg/l)(µg/l)
VOCs
Benzene 1 5,000
n-Butylbenzene 70 6,900
sec-Butylbenzene 70 8,500
tert-Butylbenzene 70 15,000
Chloroform 70 70,000
1,2-Dibromoethane (EDB)0.02 50
1,2-Dichloroethane 0.4 400
1,2-Dichloropropane 0.6 600
Diisopropyl Ether (IPE)70 70,000
Ethylbenzene 600 84,500
Isopropylbenzene 70 25,000
p-Isopropyltoluene 25 11,700
Methylene Chloride 5 5,000
Methyl tert-butyl ether (MTBE)20 200,000
Naphthalene 6 6,000
n-Propylbenzene 70 30,000
Tetrachloroethene 0.7 700
Toluene 600 260,000
Trichloroethene 3 3,000
1,2,4-Trichlorobenzene 70 70,000
1,2,4-Trimethylbenzene 400 28,500
1,3,5-Trimethylbenzene 400 25,000
Xylenes, Total 500 85,500
BTEX, Total NS NS
Metals
Total, Lead 15 15,000
Chromium 10 10,000
NC 2L GW Standard
NC GCL
8/8/07 2/19/08 12/10/12 8/8/07 2/19/08 12/12/12 6/7/13 12/19/13 6/4/14 12/16/14 6/18/15 12/15/15 8/8/07 2/19/08 12/10/12 6/7/13 12/19/13 8/8/07 2/19/08 12/11/12 8/8/07 2/20/08 12/12/12
(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL 1.3 2.3 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 23.1 13 2.1
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 NA NA NA NA NA NA NA FP FP FP FP FP <0.5 <0.5 NA <0.5 <0.5 NA
<2.0 <2.0 CNL <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 FP FP FP FP FP <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 2.2 0.78 <0.5
<2.0 <1.0 CNL <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 FP FP FP FP FP <2.0 <1.0 <2.0 <2.0 <1.0 <2.0
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 FP FP FP FP FP <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
<0.5 <0.5 CNL 0.82 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 CNL <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<1.0 <1.0 CNL <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 FP FP FP FP FP <1.0 <1.0 <1.0 <1.0 <1.0 <1.0
<1.0 <1.0 CNL <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 FP FP FP FP FP <1.0 <1.0 <1.0 <1.0 <1.0 <1.0
<5.0 <5.0 NA <5.0 2.2 J NA NA NA NA NA NA NA FP FP NA NA NA 17.9 3.9 J NA <5.0 <5.0 NA
NA 7.0 NA NA <5 NA NA NA NA NA NA NA NA FP NA NA NA NA 3.8 J NA NA 7.9 NA
Notes:
Only compounds detected in at least one sample shown above
Bold concentration exceeds 2L ground water standard; Underlined concentration exceeds GCL
VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
NS = Not Specified; ND = Not Dectected; NA = Not Analyzed; FP = Free Product - well not sampled; J = Analyte was identified but value is estimated below reporting limit
CNL = Could not locate well during sampling event
Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-5 MW-8MW-7MW-4 MW-6
Table 2 (Page 3 of 8)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T2 Historical GW Data
Date: 8/5/2016
Table 2 (Page 3 of 8)Hart & Hickman, PC
Sample ID
Sample Date
Units (µg/l)(µg/l)
VOCs
Benzene 1 5,000
n-Butylbenzene 70 6,900
sec-Butylbenzene 70 8,500
tert-Butylbenzene 70 15,000
Chloroform 70 70,000
1,2-Dibromoethane (EDB)0.02 50
1,2-Dichloroethane 0.4 400
1,2-Dichloropropane 0.6 600
Diisopropyl Ether (IPE)70 70,000
Ethylbenzene 600 84,500
Isopropylbenzene 70 25,000
p-Isopropyltoluene 25 11,700
Methylene Chloride 5 5,000
Methyl tert-butyl ether (MTBE)20 200,000
Naphthalene 6 6,000
n-Propylbenzene 70 30,000
Tetrachloroethene 0.7 700
Toluene 600 260,000
Trichloroethene 3 3,000
1,2,4-Trichlorobenzene 70 70,000
1,2,4-Trimethylbenzene 400 28,500
1,3,5-Trimethylbenzene 400 25,000
Xylenes, Total 500 85,500
BTEX, Total NS NS
Metals
Total, Lead 15 15,000
Chromium 10 10,000
NC 2L GW Standard
NC GCL MW-10
8/7/07 2/20/08 12/12/12 12/19/13 6/4/14 12/17/14 6/18/15 12/16/15 8/8/07 8/7/07 2/19/08 12/10/12 8/8/07 2/19/08 12/10/12 8/8/07 2/19/08 12/10/12 8/8/07 2/19/08 12/12/12 6/7/13 12/19/13 6/4/14 12/17/14 6/19/15 12/15/15 6/14/16
(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)
304 73 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP 3,990 2,600 658 430 563 486 505 546 409 143
<0.5 <0.5 <0.5 <0.5 5.0 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 57 <2.5 <2.5 <2.0 <2.5 <2.0 <2.5 <2.5 <0.5
2.1 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <2.5 <2.0 2.7 <2.5 1.3
0.98 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <2.5 <2.0 <2.5 <2.5 <0.5
5.9 14 1.5 1.4 0.53 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <2.5 <2.0 <2.5 <2.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <2.5 <2.0 <2.5 <2.5 <0.5
3.4 1.4 <0.5 <0.5 0.53 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP 99.4 45 21.8 15.3 34.2 33.1 51.9 45.8 29.7 34.2
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <2.5 2.7 <2.5 <2.5 1.9
27.9 16 2.2 3.9 5.5 3.4 4.4 2.8 <0.5 FP FP FP FP FP FP FP FP FP 331 150 62.6 46.9 107 108 160 131 89.4 101
17 9.2 <0.5 <0.5 0.70 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP 543 420 148 82.7 160 146 213 226 151 57.6
4.7 1.8 <0.5 <0.5 0.92 <0.5 0.53 <0.5 <0.5 FP FP FP FP FP FP FP FP FP 24.3 14 8 4.8 7.3 8.6 12.3 14.7 10.3 5.0
<0.5 <0.5 NA NA NA NA NA NA <0.5 FP FP FP FP FP FP FP FP FP <5 <5.0 NA NA NA NA NA NA NA NA
<2.0 <2.0 <2.0 <0.5 <2.0 <2.0 <2.0 <2.0 <2.0 FP FP FP FP FP FP FP FP FP <20 <20 20 <10 <8.0 <10.0 <8.0 18.1 <10.0 <2.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <2.5 <2.0 <2.5 <2.5 <0.5
11.2 7.4 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 FP FP FP FP FP FP FP FP FP 147 100 103 46.9 80.8 68.3 108 125 96.7 69.7
6.1 3.9 <0.5 <0.5 0.60 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP 56 44 19 10.3 18.7 20.6 30.3 36.2 25.8 9.8
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <2.5 <2.0 <2.5 <2.5 <0.5
10.8 3.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP 125 12 15 7.2 8.7 19.1 15.6 11.4 7.3 2.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <2.5 <2.0 <2.5 <2.5 <0.5
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <0.5 FP FP FP FP FP FP FP FP FP <5.0 <5.0 <2.5 <2.5 <2.0 <10.0 <8.0 <10.0 <10.0 <2.0
38.5 11 <0.5 <0.5 3.2 <0.5 <0.5 <0.5 <0.5 FP FP FP FP FP FP FP FP FP 408 230 119 45.8 48.1 47.7 77.5 95.2 54.9 5.3
7.6 2.1 <0.5 7.2 25.2 8.8 12.3 6.4 <0.5 FP FP FP FP FP FP FP FP FP 134 100 45.1 18.5 69.7 30.8 58.6 77.2 60.8 8.0
107 35 ND 3.2 4.3 2.6 2.2 0.79 <1.0 FP FP FP FP FP FP FP FP FP 2,199 1,370 469 227 270 205 419 352.3 249.8 17.9
439 120 ND 3.2 4.3 2.6 2.2 0.79 <1.0 FP FP FP FP FP FP FP FP FP 6,857 4,402 1,290 747 1,002 856 1,153 1,135.7 817.1 220.5
<5.0 <5.0 NA NA NA NA NA NA <5.0 FP FP NA FP FP NA FP FP NA 7.1 <5.0 NA NA NA NA NA NA NA NA
NA 1.8 J NA NA NA NA NA NA NA FP FP NA FP FP NA NA FP NA NA <5.0 NA NA NA NA NA NA NA NA
Notes:
Only compounds detected in at least one sample shown above
Bold concentration exceeds 2L ground water standard; Underlined concentration exceeds GCL
VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
NS = Not Specified; ND = Not Dectected; NA = Not Analyzed; FP = Free Product - well not sampled; J = Analyte was identified but value is estimated below reporting limit
CNL = Could not locate well during sampling event
Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-14MW-9 MW-11 MW-12 MW-13
Table 2 (Page 4 of 8)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T2 Historical GW Data
Date: 8/5/2016
Table 2 (Page 4 of 8)Hart & Hickman, PC
Sample ID
Sample Date
Units (µg/l)(µg/l)
VOCs
Benzene 1 5,000
n-Butylbenzene 70 6,900
sec-Butylbenzene 70 8,500
tert-Butylbenzene 70 15,000
Chloroform 70 70,000
1,2-Dibromoethane (EDB)0.02 50
1,2-Dichloroethane 0.4 400
1,2-Dichloropropane 0.6 600
Diisopropyl Ether (IPE)70 70,000
Ethylbenzene 600 84,500
Isopropylbenzene 70 25,000
p-Isopropyltoluene 25 11,700
Methylene Chloride 5 5,000
Methyl tert-butyl ether (MTBE)20 200,000
Naphthalene 6 6,000
n-Propylbenzene 70 30,000
Tetrachloroethene 0.7 700
Toluene 600 260,000
Trichloroethene 3 3,000
1,2,4-Trichlorobenzene 70 70,000
1,2,4-Trimethylbenzene 400 28,500
1,3,5-Trimethylbenzene 400 25,000
Xylenes, Total 500 85,500
BTEX, Total NS NS
Metals
Total, Lead 15 15,000
Chromium 10 10,000
NC 2L GW Standard
NC GCL
8/8/07 2/19/08 12/12/12 6/7/13 12/20/13 6/4/14 12/17/14 6/19/15 12/15/15 8/8/07 2/19/08 12/12/12 6/7/13 12/20/13 6/4/14 12/17/14 6/19/15 12/15/15 8/7/07 2/19/08 12/12/12 6/7/13 12/19/13 6/4/14 12/17/14 6/19/15 12/15/15
(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
4.0 1.8 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 7.2 6.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 123 64 11.4 5.0 8.2 3.3 7.0 1.8 0.83
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.4 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 NA NA NA NA NA NA NA <0.5 <0.5 NA NA NA NA NA NA NA <0.5 <0.5 NA NA NA NA NA NA NA
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.3 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 30.4 17 2.6 1.1 3.6 2.1 6.2 2.1 0.85
<2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.2 0.88 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <0.5 <0.5
0.71 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 10.4 4 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 2.9 3.1 <0.5 <0.5
<1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 8.3 0.85 <1.0 <1.0
<1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 8.3 0.85 <1.0 <1.0
11.8 <5.0 NA NA NA NA NA NA NA 6.6 <5.0 NA NA NA NA NA NA NA 7.0 1.5 J NA NA NA NA NA NA NA
NA <5.0 NA NA NA NA NA NA NA NA 2.6 J NA NA NA NA NA NA NA NA <5.0 NA NA NA NA NA NA NA
Notes:
Only compounds detected in at least one sample shown above
Bold concentration exceeds 2L ground water standard; Underlined concentration exceeds GCL
VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
NS = Not Specified; ND = Not Dectected; NA = Not Analyzed; FP = Free Product - well not sampled; J = Analyte was identified but value is estimated below reporting limit
CNL = Could not locate well during sampling event
Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-15 MW-16 MW-17
Table 2 (Page 5 of 8)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T2 Historical GW Data
Date: 8/5/2016
Table 2 (Page 5 of 8)Hart & Hickman, PC
Sample ID
Sample Date
Units (µg/l)(µg/l)
VOCs
Benzene 1 5,000
n-Butylbenzene 70 6,900
sec-Butylbenzene 70 8,500
tert-Butylbenzene 70 15,000
Chloroform 70 70,000
1,2-Dibromoethane (EDB)0.02 50
1,2-Dichloroethane 0.4 400
1,2-Dichloropropane 0.6 600
Diisopropyl Ether (IPE)70 70,000
Ethylbenzene 600 84,500
Isopropylbenzene 70 25,000
p-Isopropyltoluene 25 11,700
Methylene Chloride 5 5,000
Methyl tert-butyl ether (MTBE)20 200,000
Naphthalene 6 6,000
n-Propylbenzene 70 30,000
Tetrachloroethene 0.7 700
Toluene 600 260,000
Trichloroethene 3 3,000
1,2,4-Trichlorobenzene 70 70,000
1,2,4-Trimethylbenzene 400 28,500
1,3,5-Trimethylbenzene 400 25,000
Xylenes, Total 500 85,500
BTEX, Total NS NS
Metals
Total, Lead 15 15,000
Chromium 10 10,000
NC 2L GW Standard
NC GCL
8/8/07 2/20/08 12/12/12 6/7/13 12/19/13 6/4/14 12/17/14 6/18/15 12/16/15 8/8/07 2/19/08 12/12/12 6/7/13 12/20/13 6/4/14 12/16/14 6/18/15 12/15/15 6/14/16 8/8/07 2/19/08 12/11/12 8/8/07 2/19/08 12/12/12 6/7/13 12/20/13 7/3/14 12/17/14 6/19/15 12/15/15 6/14/16
(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)
<0.5 1.7 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.3 0.87 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 8,000 4,900 2,260 1,470 842 625 557 255 324 144
<0.5 17 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 81 <10 <5.0 <5.0 <2.5 <0.5 <1.2 <1.0 <0.5
1.8 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <5.0 <10 <5.0 <5.0 <2.5 <0.5 <1.2 <1.0 0.84
1.2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <5.0 <10 <5.0 <5.0 <2.5 <0.5 <1.2 <1.0 <0.5
0.74 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 49 37 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3.3 2.9 1.3 <5.0 <5.0 <10 <5.0 <5.0 <2.5 1.3 <1.2 <1.0 0.68
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 13.3 18 <10 <5.0 <5.0 <2.5 <0.5 <1.2 <1.0 <0.5
4.7 5.3 6.9 4.0 2.4 2.1 1.7 1.0 <0.5 1.0 1.8 3.6 <0.5 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 56.7 55 30.3 28.4 25.0 22.8 21.2 14.4 11.7 11.1
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <5.0 <10 <5.0 <5.0 <2.5 1.1 <1.2 <1.0 0.52
179 160 198 165 146 148 112 60.3 54.9 0.52 4.2 2.7 <0.5 0.76 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 436 340 148 129 110 95.1 93.8 58.6 53.2 42.7
2.5 1.2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 527 830 352 278 129 120 145 67.6 66.9 26.1
2.6 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 31 31 17.5 16.6 8.3 8.0 11.1 5.8 5.9 2.3
<0.5 0.83 NA NA NA NA NA <0.5 <0.5 <0.5 <0.5 NA NA NA NA NA NA NA NA <0.5 <0.5 NA <5.0 <5.0 NA NA NA NA NA NA NA NA
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <20 <20 67 <20 <20 19.7 <2.0 <5.0 <4.0 <2.0
24.5 30 77.6 64.2 41.1 37.5 30.6 20.0 14.6 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <5.0 <10 <5.0 <5.0 <2.5 1.1 <1.2 <1.0 0.52
12.2 3.7 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 356 290 180 121 55.3 40.1 41.6 19.3 20.2 10.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 69.4 89 38 30.2 20.2 16.6 26.6 14.6 12.8 5.4
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <5.0 <10 <5.0 <5.0 <2.5 <0.5 <1.2 <1.0 <0.5
<0.5 0.69 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 2,160 1,000 71.6 23 <5.0 15.6 10.9 <1.2 2.1 1.3
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <5.0 <10 <5.0 <5.0 <2.5 <0.5 <1.2 <1.0 <0.5
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <10 <10 <10 <10 <10 <10 <2.0 <5.0 <4.0 <2.0
15.9 2.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 704 690 478 437 206 168 190 116 131 58.0
34.5 20 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 103 130 66.5 53.5 25.1 20.1 29.2 13.5 17.8 8.3
14 7 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 2,970 4,600 2,491 2,099 916 692 653 321 298 146.6
17 11 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.3 0.87 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 13,657 11,330 5,175 3,870 1,887 1,453 1,366 643.6 691 318
21.6 <5.0 NA NA NA NA NA NA NA 12.5 2.0 J NA NA NA NA NA NA NA NA 23.2 <5.0 NA 7.1 <5.0 NA NA NA NA NA NA NA NA
NA <5.0 NA NA NA NA NA NA NA NA 3.0 J NA NA NA NA NA NA NA NA NA <5.0 NA NA <5.0 NA NA NA NA NA NA NA NA
Notes:
Only compounds detected in at least one sample shown above
Bold concentration exceeds 2L ground water standard; Underlined concentration exceeds GCL
VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
NS = Not Specified; ND = Not Dectected; NA = Not Analyzed; FP = Free Product - well not sampled; J = Analyte was identified but value is estimated below reporting limit
CNL = Could not locate well during sampling event
Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-20MW-18 MW-19 MW-21
Table 2 (Page 6 of 8)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T2 Historical GW Data
Date: 8/5/2016
Table 2 (Page 6 of 8)Hart & Hickman, PC
Sample ID
Sample Date
Units (µg/l)(µg/l)
VOCs
Benzene 1 5,000
n-Butylbenzene 70 6,900
sec-Butylbenzene 70 8,500
tert-Butylbenzene 70 15,000
Chloroform 70 70,000
1,2-Dibromoethane (EDB)0.02 50
1,2-Dichloroethane 0.4 400
1,2-Dichloropropane 0.6 600
Diisopropyl Ether (IPE)70 70,000
Ethylbenzene 600 84,500
Isopropylbenzene 70 25,000
p-Isopropyltoluene 25 11,700
Methylene Chloride 5 5,000
Methyl tert-butyl ether (MTBE)20 200,000
Naphthalene 6 6,000
n-Propylbenzene 70 30,000
Tetrachloroethene 0.7 700
Toluene 600 260,000
Trichloroethene 3 3,000
1,2,4-Trichlorobenzene 70 70,000
1,2,4-Trimethylbenzene 400 28,500
1,3,5-Trimethylbenzene 400 25,000
Xylenes, Total 500 85,500
BTEX, Total NS NS
Metals
Total, Lead 15 15,000
Chromium 10 10,000
NC 2L GW Standard
NC GCL
8/8/07 2/20/08 12/12/12 6/7/13 12/20/13 6/4/14 12/17/14 6/18/15 12/16/15 8/8/07 2/20/08 12/11/12 8/7/07 2/20/08 12/11/12 8/8/07 2/20/08 12/12/12 6/7/13 12/19/13 6/4/14 12/17/14 6/19/15 12/16/15 6/14/16
(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)
776 490 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 862 520 415 528 542 499 344 237 197 183
<0.5 95 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 35 <2.5 <2.0 2.8 <2.5 <2.5 <1.2 <1.0 <0.5
13.9 8.4 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 9.9 <5.0 <2.5 2.4 <2.5 <2.5 <2.5 <1.2 1.5 1.2
1.2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.2 <5.0 <2.5 <2.0 <2.5 <2.5 <2.5 <1.2 <1.0 <0.5
13.1 13 <0.5 <0.5 <0.5 0.55 <0.5 <0.5 <0.5 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <2.5 <2.0 <2.5 <2.5 <2.5 <1.2 <1.0 0.88
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <2.5 <2.0 <2.5 <2.5 <2.5 <1.2 <1.0 <0.5
3.2 2.8 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 2.0 3.3 <0.5 <0.5 <0.5 <0.5 3.6 <5.0 <2.5 4.6 4.2 4.2 4.1 3.7 2.9 4.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <2.5 <2.0 <2.5 <2.5 <2.5 <1.2 <1.0 0.51
29.3 26 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 54.9 80 69.6 3.0 3 2.5 15.7 15 25.4 36.5 36.5 32.5 28.2 27.4 30 34.5
233 130 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 309 310 96.6 61.2 49.6 92.9 103 85.2 52.2 32.0
32.8 19 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 26.8 19 11.5 8.9 6.7 11.3 11.4 10 6.4 4.3
<0.5 5.3 NA NA NA NA NA NA NA <0.5 <0.5 NA <0.5 <0.5 NA <0.5 <5.0 NA NA NA NA NA NA NA NA
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <20 <10 13.1 <10 <10 <10 12.4 <4.0 <2.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.0 <0.5 <0.5 <0.5 <0.5 <5.0 <2.5 <2.0 <2.5 <2.5 <2.5 <1.2 <1.0 <0.5
76.8 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 <2.0 <1.0 <2.0 134 130 77.9 49.6 43.2 61.2 81.4 65.4 44.8 24.0
74 47 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 51.8 50 22.6 17.7 13.6 25.2 26.2 21.3 13.2 8.7
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <2.5 <2.0 <2.5 <2.5 <2.5 <1.2 <1.0 <0.5
254 12 <0.5 <0.5 <0.5 <0.5 <0.5 2.3 1.2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 782 580 77.1 57.5 43.1 71.3 61.5 44.7 16.3 13.4
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <2.5 <2.0 <2.5 <2.5 <2.5 <1.2 <1.0 <0.5
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <10 <10 <10 <10 <10 <10 <10 <5.0 <4.0 <2.0
611 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.87 <0.5 <0.5 <0.5 <0.5 413 <5.0 260 152 102 189 235 199 80 70.4
157 110 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 34.3 27 76.9 55.7 30.2 59.7 75.3 73.5 32.8 27.7
1,728 340 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 2.1 <1.0 <1.0 <1.0 <1.0 2,458 1,820 700 440 343 585 633 500 221.6 168.9
2,991 972 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 2.1 <1.0 <1.0 <1.0 <1.0 4,411 3,230 1,289 1,087 979 1,248 1,132 866.9 487.1 397.3
6.1 3.4 J NA NA NA NA NA NA NA <5.0 <5.0 NA 10.1 6.2 NA <5.0 2.4 J NA NA NA NA NA NA NA NA
NA <5.0 NA NA NA NA NA NA NA NA 4.9 J NA NA <5.0 NA NA 2.0 J NA NA NA NA NA NA NA NA
Notes:
Only compounds detected in at least one sample shown above
Bold concentration exceeds 2L ground water standard; Underlined concentration exceeds GCL
VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
NS = Not Specified; ND = Not Dectected; NA = Not Analyzed; FP = Free Product - well not sampled; J = Analyte was identified but value is estimated below reporting limit
CNL = Could not locate well during sampling event
Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-25MW-24MW-23MW-22
Table 2 (Page 7 of 8)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T2 Historical GW Data
Date: 8/5/2016
Table 2 (Page 7 of 8)Hart & Hickman, PC
Sample ID
Sample Date
Units (µg/l)(µg/l)
VOCs
Benzene 1 5,000
n-Butylbenzene 70 6,900
sec-Butylbenzene 70 8,500
tert-Butylbenzene 70 15,000
Chloroform 70 70,000
1,2-Dibromoethane (EDB)0.02 50
1,2-Dichloroethane 0.4 400
1,2-Dichloropropane 0.6 600
Diisopropyl Ether (IPE)70 70,000
Ethylbenzene 600 84,500
Isopropylbenzene 70 25,000
p-Isopropyltoluene 25 11,700
Methylene Chloride 5 5,000
Methyl tert-butyl ether (MTBE)20 200,000
Naphthalene 6 6,000
n-Propylbenzene 70 30,000
Tetrachloroethene 0.7 700
Toluene 600 260,000
Trichloroethene 3 3,000
1,2,4-Trichlorobenzene 70 70,000
1,2,4-Trimethylbenzene 400 28,500
1,3,5-Trimethylbenzene 400 25,000
Xylenes, Total 500 85,500
BTEX, Total NS NS
Metals
Total, Lead 15 15,000
Chromium 10 10,000
NC 2L GW Standard
NC GCL
8/8/07 2/19/08 12/11/12 6/6/13 12/19/13 6/4/14 12/16/14 6/18/15 12/15/15 6/14/16 8/8/07 2/19/08 12/11/12 6/6/13 12/19/13 6/4/14 12/16/14 6/18/15 12/15/15 6/14/16 8/8/07 2/19/08 12/11/12 6/6/13 12/19/13 6/4/14 12/16/14 6/18/15 12/15/15
(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)
2.3 1.8 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.69 <0.5 1.5 1.2 <0.5 0.93 0.93 <0.5 <0.5 <0.5 <0.5 <0.5 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
0.99 1.4 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 NA NA NA NA NA NA NA NA <0.5 <0.5 NA NA NA NA NA NA NA NA <0.5 <0.5 NA NA NA NA NA NA NA
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 2.1 <1.0 <1.0
2.3 1.8 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 2.1 <1.0 <1.0
9.1 3.3 J NA NA NA NA NA NA NA NA <5.0 <5.0 NA NA NA NA NA NA NA NA 9.4 1.0 J NA NA NA NA NA NA NA
NA 7.7 NA NA NA NA NA NA NA NA NA 3.7 J NA NA NA NA NA NA NA NA NA 2.2 J NA NA NA NA NA NA NA
Notes:
Only compounds detected in at least one sample shown above
Bold concentration exceeds 2L ground water standard; Underlined concentration exceeds GCL
VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
NS = Not Specified; ND = Not Dectected; NA = Not Analyzed; FP = Free Product - well not sampled; J = Analyte was identified but value is estimated below reporting limit
CNL = Could not locate well during sampling event
Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-28MW-26 MW-27
Table 2 (Page 8 of 8)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T2 Historical GW Data
Date: 8/5/2016
Table 2 (Page 8 of 8)Hart & Hickman, PC
Sample ID
Sample Date
Units (µg/l)(µg/l)
VOCs
Benzene 1 5,000
n-Butylbenzene 70 6,900
sec-Butylbenzene 70 8,500
tert-Butylbenzene 70 15,000
Chloroform 70 70,000
1,2-Dibromoethane (EDB)0.02 50
1,2-Dichloroethane 0.4 400
1,2-Dichloropropane 0.6 600
Diisopropyl Ether (IPE)70 70,000
Ethylbenzene 600 84,500
Isopropylbenzene 70 25,000
p-Isopropyltoluene 25 11,700
Methylene Chloride 5 5,000
Methyl tert-butyl ether (MTBE)20 200,000
Naphthalene 6 6,000
n-Propylbenzene 70 30,000
Tetrachloroethene 0.7 700
Toluene 600 260,000
Trichloroethene 3 3,000
1,2,4-Trichlorobenzene 70 70,000
1,2,4-Trimethylbenzene 400 28,500
1,3,5-Trimethylbenzene 400 25,000
Xylenes, Total 500 85,500
BTEX, Total NS NS
Metals
Total, Lead 15 15,000
Chromium 10 10,000
NC 2L GW Standard
NC GCL
8/8/07 2/20/08 12/12/12 6/6/13 12/19/13 6/4/14 12/17/14 6/18/15 12/16/15 6/14/16 8/8/07 2/20/08 12/11/12 8/8/07 2/20/08 12/11/12 2/20/08 12/12/12
(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)(µg/l)
216 100 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 3.1 2.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
3.2 2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
0.79 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 0.56 0.75 0.76 0.94 0.93 0.65 <0.5 0.65 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
8.8 4.8 6.7 6.3 5.5 6.7 5.4 2.8 1.2 2.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
100 56 <0.5 <0.5 0.90 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
10.8 5.6 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 0.97 NA NA NA NA NA NA NA NA <0.5 <0.5 NA <0.5 <0.5 NA <0.5 NA
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
33.5 26 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <2.0 <2.0 <1.0 <2.0 <1.0 <2.0
17.9 11 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
37.2 4.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
99.1 33 2.4 <0.5 7.6 <0.5 <0.5 <0.5 <0.5 2.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
1.9 <0.5 16.7 <0.5 8.9 <0.5 <0.5 <0.5 0.67 5.7 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
519 240 6 1.8 4.9 3.6 3.6 0.61 <1.0 0.90 <1.0 <1.0 <1.0 0.52 <1.0 <1.0 <1.0 <1.0
872 401 6 1.8 5.8 3.6 3.6 0.61 <1.0 0.90 <1.0 <1.0 <1.0 0.52 <1.0 <1.0 <1.0 <1.0
<5.0 <5.0 NA NA NA NA NA NA NA NA <5.0 1.1 J NA <5.0 <5.0 NA NA NA
NA <5.0 NA NA NA NA NA NA NA NA NA <5.0 NA NA 2.0 J NA NA NA
Notes:
Only compounds detected in at least one sample shown above
Bold concentration exceeds 2L ground water standard; Underlined concentration exceeds GCL
VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
NS = Not Specified; ND = Not Dectected; NA = Not Analyzed; FP = Free Product - well not sampled; J = Analyte was identified but value is estimated below reporting limit
CNL = Could not locate well during sampling event
Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-31 MW-32MW-30MW-29
Table 3
Summary of Dissolved Oxygen and Site Geochemical Data
NCDOTNewton, North CarolinaH&H Job No. DOT- 453
S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\Data Tables June 2016 T3 DO and Geo Parameters
8/5/2016
Table 3 (Page 1 of 1)Hart & Hickman, PC
MW-1D 4.79 6.65 17.7 120.6 4.51 6.81 18.7 143.1 8.34 6.58 16.73 241 6.97 6.35 20.3 290 7.25 6.32 17.4 276 7.98 6.49 20.1 270.3 4.57 6.05 17.6 163.4 5.71 NS NS NS
MW-1 4.53 4.98 18.2 761.5 4.09 NS NS NS 4.32 4.96 18.6 766 4.61 4.46 23.0 746 5.56 5.00 18.3 678.8 4.88 4.77 20.1 703.1 7.19 5.20 19.0 661.9 8.65 NS NS NS
MW-2 ------------------------------------------------0.12 ------0.21 NS NS NS
MW-3 0.67 4.69 19.1 443.1 0.91 4.51 20.0 559.8 0.56 4.32 19.4 561 0.65 4.45 20.8 510.4 1.15 4.52 18.3 435.6 0.29 4.49 20.4 495.2 0.14 4.75 19.1 200 0.26 4.62 21.0 402.9
MW-4
MW-5 7.52 NS NS NS 7.07 NS NS NS 7.97 4.58 17.8 2110 7.56 4.32 19.7 1702 8.15 5.08 16.3 1725 7.80 4.97 19.8 1689 6.56 5.03 17.5 1384 5.29 NS NS NS
MW-6 ----------------------------------------------------------------
MW-7 7.42 5.70 17.0 21.02 7.29 NS NS NS 8.03 NS NS NS 7.99 NS NS NS 8.36 NS NS NS 7.82 NS NS NS 8.39 NS NS NS 8.15 NS NS NS
MW-8 3.33 5.31 16.6 141.8 2.99 NS NS NS NS NS NS NS 3.15 NS NS NS 3.75 NS NS NS 3.09 NS NS NS 7.19 NS NS NS 8.09 NS NS NS
MW-9 0.77 5.22 19.4 553.5 1.01 5.12 21.2 513.3 0.68 5.05 18.6 515 0.79 4.68 20.9 899.3 1.09 5.00 18.7 260.1 1.15 4.96 20.5 382.3 0.23 5.50 19.3 449.7 0.56 NS NS NS
MW-10
MW-11 ------------------------------------------------0.23 ------0.19 ------
MW-12 ------------------------------------------------1.25 ------1.30 ------
MW-13 ------------------------------------------------1.37 ------1.09 ------
MW-14 0.37 6.14 18.5 337.1 0.30 6.11 19.6 357.1 0.63 6.24 18.4 399 0.11 6.22 20.2 330.1 0.98 6.44 17.7 318.1 0.38 6.31 20.1 316.5 0.23 5.79 18.9 358.3 0.36 7.62 20.2 308.0
MW-15 6.37 5.05 17.6 311.7 6.21 NW NW NW 5.35 4.95 17.5 439 5.98 4.86 20.0 445.9 6.32 5.10 17.8 458.4 6.01 5.18 20.0 431.2 6.85 5.32 18.6 386.3 7.80 NS NS NS
MW-16 7.61 4.65 17.5 555.8 7.03 4.54 19.0 500.3 7.89 4.54 18.11 567 7.77 4.50 20.2 445.6 8.01 4.64 17.7 437.6 7.21 4.42 20.0 427.3 7.87 4.58 17.4 502.8 7.00 NS NS NS
MW-17 4.45 4.55 18.2 217.0 4.42 4.53 20.2 253.4 7.15 4.56 18.9 205 6.21 4.52 20.8 190.2 6.56 4.93 16.9 174.6 6.88 4.83 20.3 188.6 6.81 4.92 19.7 200.1 5.66 NS NS NS
MW-18 0.39 5.91 19.0 66.12 0.29 5.33 20.1 27.09 0.28 5.51 19.1 36 0.36 5.46 23.4 42.9 0.77 5.74 17.5 36.29 0.29 5.41 22.6 39.92 0.19 5.81 18.1 50.76 0.31 NS NS NS
MW-19 6.46 5.10 17.6 172.4 6.15 5.18 19.6 150.2 4.55 5.00 18.3 161 5.87 4.92 19.7 108.8 6.32 4.97 16.5 92.1 4.21 4.95 19.8 97.97 6.36 5.25 18.9 68.19 8.03 6.78 20.0 131.6
MW-20 7.60 5.21 18.3 157.4 7.20 NS NS NS 8.24 NS NS NS 7.96 NS NS NS 8.21 NS NS NS 1.36 NS NS NS 7.42 NS NS NS 6.98 NS NS NS
MW-21 1.26 5.10 17.9 170.5 1.31 5.14 21.4 181.1 1.35 5.03 18.8 265 1.48 5.03 19.24 188 1.66 5.12 17.9 241.2 1.15 4.92 20.6 250.3 0.29 5.21 19.5 276.0 1.15 5.27 21.1 318.7
MW-22 0.71 6.53 19.7 137.6 0.68 6.23 20.5 515.3 0.33 6.13 19.5 1180 0.86 5.96 21.4 1593 1.20 6.11 16.6 1421 0.29 5.93 21.1 1410 0.64 6.03 18.4 1113 0.21 NS NS NS
MW-23 1.07 4.79 19.5 267.3 1.98 NS NS NS 2.81 NS NS NS 2.53 NS NS NS 4.01 NS NS NS 2.16 NS NS NS 4.34 NS NS NS 5.50 NS NS NS
MW-24 0.47 5.14 20.1 61.89 1.20 NS NS NS 0.41 NS NS NS 0.63 NS NS NS 0.73 NS NS NS 0.36 NS NS NS 0.23 NS NS NS 0.29 NS NS NS
MW-25 0.39 5.67 19.1 221.6 0.76 5.59 20.6 200.3 1.33 5.56 19.8 247 1.49 5.61 21.3 243.9 1.61 5.63 17.7 231.9 1.26 5.69 20.9 243.7 0.79 5.79 19.3 315.9 1.01 5.81 21.4 245.6
MW-26 2.71 4.94 17.8 198.5 2.41 4.90 19.4 206.4 5.26 4.86 18.4 215 5.15 4.80 19.5 259.8 5.60 5.23 16.4 297.7 5.26 4.95 19.6 281.9 4.67 4.98 17.7 190.1 4.55 5.39 19.4 320.8
MW-27 3.11 5.59 17.7 359.7 2.98 5.65 18.6 386.2 4.32 6.01 17.5 314 3.88 5.98 20.8 246.1 4.10 5.90 16.0 260.0 4.21 5.93 20.6 252.3 5.99 5.60 17.7 287.3 7.48 6.32 19.4 183.1
MW-28 1.90 4.68 18.0 139.1 2.01 4.56 19.0 163.4 3.10 4.56 17.9 311 3.21 4.78 20.9 237.8 3.53 4.79 17.0 182.7 3.19 4.73 20.5 210.3 3.74 5.57 18.3 166.5 2.29 NS NS NS
MW-29 0.60 5.41 19.1 56.08 0.67 5.38 20.9 54.2 4.20 5.26 19.4 69 3.99 5.26 20.5 181.3 4.30 5.45 18.0 103.6 4.01 5.47 20.3 160.0 0.17 5.65 18.0 73.35 0.21 6.15 21.1 70.15
MW-30 2.45 5.00 20.1 56.67 2.07 NS NS NS 6.60 NS NS NS 5.15 NS NS NS 5.21 NS NS NS 5.62 NS NS NS 3.46 NS NS NS 4.61 NS NS NS
MW-31 1.43 4.30 19.0 342.9 1.78 NS NS NS 1.71 NS NS NS 1.95 NS NS NS 2.86 NS NS NS 1.60 NS NS NS 0.40 NS NS NS 0.48 NS NS NS
MW-32 4.97 5.31 16.9 245.3 5.15 NS NS NS 6.89 NS NS NS 5.95 NS NS NS 6.15 NS NS NS 6.06 NS NS NS 5.43 NS NS NS 5.15 NS NS NS
Notes:
-- = Free Product Well
NS = Not Sampled
NW = Not enough water in well at time of sampling to obtain readings.
CNL = Could not locate well at time of sampling
Destroyed
June 2016
Dissolved
Oxygen (mg/L)
pH
(standard units)Temperature (°C)
Specific
Conductivity (umhos/cm)
CNL
Destroyed
June 2015
Dissolved
Oxygen (mg/L)
pH
(standard units)Temperature (°C)
Specific
Conductivity (umhos/cm)
CNL
Destroyed
June 2014
Dissolved
Oxygen (mg/L)
pH
(standard units)Temperature (°C)
Specific
Conductivity (umhos/cm)
CNL
Destroyed
December 2013
Dissolved
Oxygen (mg/L)
pH
(standard units)Temperature (°C)
Specific
Conductivity (umhos/cm)
CNLCNL
Destroyed
Monitor Well ID
December 2012
Dissolved
Oxygen (mg/L)
pH
(standard units)Temperature (°C)
Specific
Conductivity (umhos/cm)
Destroyed
June 2013
Dissolved
Oxygen (mg/L)
pH
(standard units)Temperature (°C)
Specific
Conductivity (umhos/cm)
CNL
Destroyed
December 2014
Dissolved
Oxygen (mg/L)
pH
(standard units)Temperature (°C)
Specific
Conductivity (umhos/cm)
CNL
Destroyed
December 2015
Dissolved
Oxygen (mg/L)
pH
(standard units)Temperature (°C)
Specific
Conductivity (umhos/cm)
CNL
Table 4
Soil Vapor Extraction System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 SVE System O&M
Date:8/5/2016
Table 4 (Page 1 of 2)Hart & Hickman, PC
System Well East West PIDRunningBlower Field Well Field Well Field Total Off-Gas
O&M Upon Blower Vacuum Vacuum Air Flow Air Flow Air Flow Concentration Additional
Date Arrival Hour Meter ("H2O)("H2O)(scfm)(scfm)(scfm)(ppm)Comments
4/1/2011 Yes 52,434.64 50 39 55 55 104 220 - 275 Off-gas PID readings pre&post IWS start-up
4/7/2011 Yes 52,578.34 50 40 55 55 110 330 Air sample collected for Lab analysis
4/14/2011 Yes 52,743.85 50 40 58 55 113 390 SVE system operating on arrival
4/20/2011 Yes 52,886.72 48 38 55 55 110 543 SVE system operating on arrival
4/29/2011 Yes 53,102.17 48 39 50 57 107 606 SVE system operating on arrival
5/20/2011 Yes 53,607.15 48 39 48 54 102 250-305 Pre and Post PID following IWS repair
6/17/2011 Yes 54,282.64 48 38 48 52 100 265 IWS not functioning due to compressor
7/19/2011 Yes 55,043.70 47 38 58 52 110 280-310 IWS off following DOT repair, restarted
8/19/2011 Yes 55,769.20 46 40 56 56 112 240 IWS off due to compressor, could not get
restarted
9/27/2011 Yes 56,720.20 50 39 50 57 107 255 IWS off- waiting on new compressor
10/21/2011 Yes 57,293.10 50 40 52 56 108 310-345 Pre and Post PID following IWS repair
11/17/2011 Yes 57,938.10 56 39 48 54 102 271 Air sample collected for Lab analysis
12/15/2011 Yes 58,613.20 53 36 48 54 102 265 SVE system operating on arrival
1/20/2011 Yes 59,476.40 56 38 52 58 110 270-285 PID reading Pre and Post IWS restart
2/14/2012 Yes 60,073.90 56 37 56 58 114 265 SVE system operating on arrival
3/13/2012 Yes 60,743.75 55 38 48 52 100 195 SVE system operating on arrival
4/23/2012 Yes 61,726.78 52 39 49 55 104 195 - 180 Baseline PID and PID with MW-6 IWS off
5/22/2012 Yes 62,425.54 50 40 50 54 104 205 Air sample collected for Lab analysis
6/1/2012 Yes 62,661.99 50 38 52 52 104 195 SVE system operating on arrival
7/24/2012 Yes 63,934.42 49 37 50 52 102 245 SVE system operating on arrival
8/24/2012 Yes 64,677.00 50 38 52 52 104 190 - 235 PID reading Pre and Post IWS restart
9/11/2012 No 64,928.02 NM NM NM NM NM NM
Blower down due to tripped breaker. Reset
breaker and restart system. Did not have time to take additional readings because time was
spent making adjustments to newly installed
product recovery system
10/1/2012 No 65,251.00 50 38 52 54 106 215 Blower down due to power outage on site from recent storm approximately one week prior to
visit. Restart system.
11/28/2012 Yes 66,611.75 NM 38 NM NM NM NM SVE system operating on arrival
12/20/2012 Yes 67,138.16 50 39 NM NM 100 240 SVE system operating on arrival
1/29/2013 Yes 67,498.86 56 38 52 48 100 324 SVE system operating on arrival
2/12/2013 No 68,039.13 55 41 52 46 98 315 Blower off due to high level moisture knockout, Waited 3 hrs after restart prior to PID reading
3/8/2013 Yes 68,613.27 62 40 55 39 94 230 SVE system operating on arrival
4/25/2013 Yes 69,762.72 62 38 55 46 101 164 Collected air sample SVE042513 for laboratory
analysis
5/16/2013 Yes 70,266.98 60 41 52 46 98 226 SVE system operating on arrival
6/3/2013 Yes 70,701.16 58 40 55 45 100 212 Manually shut down at end of day prior to 6/6/13 groundwater sampling event (system restarted
6/7/13)
7/1/2013 Yes 71,301.28 50 38 52 52 104 225 SVE system operating on arrival
8/22/2013 Yes 72,552.46 52 38 52 55 107 200 SVE system operating on arrival
9/29/2013 Yes 73,411.42 49 40 52 52 104 NM SVE system operating on arrival
10/29/2013 Yes 74,173.93 54 40 52 52 104 125 SVE system operating on arrival
11/20/2013 Yes 74,677.02 49 39 52 52 104 195 SVE system operating on arrival
12/10/2013 Yes 75,185.96 58 40 52 48 100 160
Air Sample collected for Lab analysis
(SVE121013). SVE manually shut down at end of day prior to 12/19/13 groundwater sampling
event (system restarted 12/20/13)
1/31/2014 Yes 76,199.45 50 38 50 50 100 150 SVE system operating on arrival
2/19/2014 Yes 76,655.35 50 38 48 52 100 116 SVE system operating on arrival
3/28/2014 Yes 77,540.57 51 41 48 52 100 138 SVE system operating on arrival
4/14/2014 Yes 77,943.29 52 42 48 48 96 147 SVE system operating on arrival
5/14/2014 Yes 78,667.84 50 39 50 50 100 102 SVE system operating on arrival
6/2/2014 Yes 79,131.82 51 40 52 52 104 81
Air sample collected for Lab analysis
(SVE060214). SVE manually shut down at end of day prior to 6/3/14 groundwater sampling
event (system restarted 6/4/14)
7/3/2014 Yes 79,828.30 48 40 52 52 104 86.5 SVE system operating on arrival
8/26/2014 Yes 81,121.46 48 40 52 52 104 96.0 SVE system operating on arrival
9/17/2014 Yes 81,648.39 50 38 48 52 100 148 SVE system operating on arrival
10/10/2014 Yes 82,198.33 50 39 50 52 102 125 SVE system operating on arrival
11/21/2014 Yes 83,209.53 50 40 44 50 94 108 SVE system operating on arrival
12/11/2014 Yes 83,687.20 51 39 52 52 104 165 SVE system operating on arrival. Air sample collected for Lab analysis (SVE121114).
1/29/2015 Yes 84,838.65 56 38 52 52 104 106 SVE system operating on arrival
2/27/2015 Yes 85,532.69 50 38 52 52 104 122 SVE system operating on arrival
3/20/2015 Yes 86,034.90 50 38 50 52 102 188 SVE system operating on arrival
4/30/2015 Yes 87,023.96 50 40 50 52 102 120 SVE system operating on arrival
5/19/2015 Yes 87,475.30 52 40 52 54 106 85 SVE system operating on arrival
6/16/2015 Yes 88,147.21 52 39 52 52 104 88
Air sample collected for Lab analysis
(SVE061615). SVE manually shut down prior to 6/18/15 groundwater sampling event. System
restarted 6/19/15.
Table 4
Soil Vapor Extraction System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 SVE System O&M
Date:8/5/2016
Table 4 (Page 2 of 2)Hart & Hickman, PC
System Well East West PIDRunningBlower Field Well Field Well Field Total Off-Gas
O&M Upon Blower Vacuum Vacuum Air Flow Air Flow Air Flow Concentration Additional
Date Arrival Hour Meter ("H2O)("H2O)(scfm)(scfm)(scfm)(ppm)Comments
7/24/2015 Yes 89,059.63 52 39 50 52 102 114 SVE system operating on arrival
8/28/2015 Yes 89,899.12 52 40 50 50 100 112 SVE system operating on arrival
9/29/2015 Yes 90,667.87 52 40 48 54 102 94 SVE system operating on arrival
10/22/2015 Yes 90,725.75 55 39 48 52 100 86
SVE system operating on arrival. Hour meter
stopped following September 2015 visit. Actual operating time = 91,219 Hrs
11/13/2015 Yes 90,725.75 51 41 48 54 102 102 SVE system operating on arrival. Hour meter stopped following September 2015 visit. Actual
operating time = 91,747 Hrs
12/1/2015 Yes 90,725.75 50 40 52 52 104 94
Air sample collected for Lab analysis
(SVE120115). SVE shutdown on 12/15/15 on first day of groundwater sampling event.
System restarted on 12/16/15. Hour meter
stopped following September 2015 visit. Actual operating time = 92,179 Hrs
1/26/2016 Yes 90,725.75 52 41 54 48 102 48 SVE system operating on arrival. Hour meter stopped following September 2015 visit. Actual
operating time = 93,523 Hrs
2/29/2016 Yes 90,725.75 52 41 54 48 102 48
SVE system operating on arrival. Hour meter
stopped following September 2015 visit. Repaired Hour meter during visit. Actual
operating time = 94,339 Hrs
5/13/2016 Yes 92,500.45 51 40 52 50 102 55
SVE system operating on arrival. Actual
operating time correcting for time meter not
functioning = 96,115 Hrs
6/9/2016 Yes 93,148.62 50 39 51 51 102 46
SVE system operating on arrival. Actual
operating time correcting for time meter not functioning = 96,763 Hrs. Air sample collected
for Lab analysis (SVE060916). SVE shutdown
end of day for 6/14/16 groundwater sampling event. System restarted on 6/14/16.
Notes:
IWS System Started on April 4, 2011PID = Photo Ionization Detector
NM = Not Measured
Table 5 (Page 1 of 3)
In-Well Aeration System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 IWS DataDate:8/5/2016
Table 5 (Page 1 of 3)
Hart & Hickman, PC
Compressor
Running Regulator Eastern Western
O&M Upon Pressure IWS Field IWS Field Additional
Date Arrival (PSI)(PSI)(PSI)Comments
4/1/2011 No 60 10 5 Initial IWS start-up following conversion from pneumatic product pumps
4/7/2011 Yes 60 10 5 Compressor operating, oil level and air filter condition good
4/14/2011 Yes 58 10 5 Compressor operating, oil level and air filter condition good
4/20/2011 Yes 60 10 5 Compressor operating, oil level and air filter condition good
4/29/2011 Yes 60 10 5 Compressor operating, oil level and air filter condition good
5/20/2011 No 0-60 5 5 Pre and Post readings following air compressor copper line repair, changed oil
6/17/2011 No 0 0 0 Compressor not functioning, made repairs to air filter, could not repair pressure switch
7/19/2011 No 0-60 5 5 Compressor shut down after DOT pressure switch/check valve repair, restarted
compressor
8/19/2011 No 0 0 0 Air compressor off, could not restart, (tripping breaker, check valve leaking again)
9/27/2011 No 0 0 0 New compressor delivered to site and awaiting installation
10/21/2011 No 0-20 0-10 0 Initial start-up of new air compressor - Bubbling eastern IWS field only 25% time11/17/2011 Yes 20 10 8 Compressor operating, oil level and air filter good, increased bubbling time to 50%
12/15/2011 Yes 21 18 20 - 0 Compressor operating, oil level and air filter good, increased bubbling time to 100%,
Turned off Western Field to prevent overworking air compressor
1/20/2012 No 0-25 0-18 NA Compressor off on arrival, restarted, no apparent issues
2/14/2012 Yes 25 16 NA Compressor operating, oil level and air filter good, increased bubbling time to 100%
3/13/2012 Yes 30 12 - 6 NA Compressor operating, oil level and air filter good, decreased air pressure
4/23/2012 Yes 28 6 NA Compressor operating, oil level and air filter good
5/22/2012 Yes 26 20 NA Compressor operating, oil level and air filter good
6/1/2012 Yes 28 18 NA Compressor operating, oil level and air filter good
7/24/2012 Yes 30 20 NA Compressor operating, oil level and air filter good
8/24/2012 No 0-30 0-20 NA Compressor struck by lightning 8/1/12. Compressor replaced, restarted 8/24/12
9/11/2012 Yes NM NM NA Compressor operating, oil level and air filter good
10/1/2012 No NM 0-20 NA Compressor down due to storm approximately one week prior to visit. Restart system.
11/28/2012 Yes 60 15 NA Compressor operating, oil level and air filter good
12/20/2012 Yes NM 10 NA Compressor operating, oil level and air filter good
1/29/2013 Yes 70 15 NA Compressor operating, oil level and air filter good
2/12/2013 Yes 75 15 NA Changed air compressor oil
3/8/2013 Yes 65 10 NA Compressor operating, oil level and air filter good
4/25/2013 Yes 72 15 NA Compressor operating, oil level and air filter good
5/16/2013 Yes 70 15 NA Compressor operating, oil level and air filter good
Table 5 (Page 2 of 3)
In-Well Aeration System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 IWS DataDate:8/5/2016
Table 5 (Page 2 of 3)
Hart & Hickman, PC
Compressor
Running Regulator Eastern Western
O&M Upon Pressure IWS Field IWS Field Additional
Date Arrival (PSI)(PSI)(PSI)Comments
6/3/2013 Yes 60 15 NA Repaired air line from compressor to IWS & MW-6 recovery pump, changed air
compressor oil, shut down IWS and RW-6 at end of day for GW sampling. Restarted
6/7/13
7/1/2013 Yes 70 20 20 Compressor operating, oil level and air filter good. Tied "Western IWS Field" hose into
"Eastern IWS Field" hose. Select wells in both fields now operating
8/22/2013 Yes 70 20 20 Compressor operating, topped off compressor oil, air filter good
9/29/2013 Yes 62 15 15 Compressor operating, oil level and air filter good
10/29/2013 Yes 60 20 20 Compressor operating, oil level and air filter good, changed compressor oil, changed
desicant filter.
11/20/2013 Yes 60 20 20 Compressor operating, oil level and air filter good
12/10/2013 Yes 60 15 20 System operating, changed compressor oil, air filter good. Turned off prior to 12/19/13
sampling. Restarted 12/20/13.
1/31/2014 Yes 80 15 15 Compressor operating, oil level and air filter good
2/19/2014 Yes 80 12 12 Compressor operating, oil level and air filter good, changed compressor oil.
3/28/2014 Yes 85 10 - 12 10 - 12 Compressor operating, topped off compressor oil, air filter good
4/14/2014 Yes 85 15 15 Compressor operating, topped off compressor oil, air filter good
5/14/2014 Yes 90 15 15 Compressor operating, oil level and air filter good, changed compressor oil.
6/2/2014 Yes 85 15 15 Compressor operating, oil level and air filter good
7/3/2014 Yes 85 15 15 Compressor operating, topped off compressor oil, air filter good
8/26/2014 Yes 85 15 15 Compressor operating, oil level and air filter good.
9/17/2014 Yes 85 15 15 Compressor operating, oil level and air filter good.
10/10/2014 Yes 85 15 15 Compressor operating, oil level and air filter good, changed compressor oil.
11/21/2014 No - Yes 0-85 0-15 0-15 Compressor off on arrival, breaker tripped, restarted, no apparent issues
12/11/2014 No - Yes 0-85 0-15 0-15 Compressor off on arrival, broken belt. Purchased and replaced new belt and restarted.1/29/2015 Yes 95 18 18 Compressor operating, oil level and air filter good.
2/27/2015 Yes 80 15 15 Compressor operating, oil level and air filter good, changed compressor oil.
3/20/2015 Yes 70 18 18 Compressor operating, topped off oil level, changed airline filter.
4/30/2015 No - Yes 0-75 0-15 0-15 Breaker tripped in building, reset breaker, compressor operating without issue
5/19/2015 Yes 70 18 18 Compressor operating, oil level and air filter good.
6/16/2015 Yes 70 15 15 Compressor operating, oil level good, shut down end of day for 6/18/15 groundwater
sampling. System Restarted 6/19/15.
Table 5 (Page 3 of 3)
In-Well Aeration System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 IWS DataDate:8/5/2016
Table 5 (Page 3 of 3)
Hart & Hickman, PC
Compressor
Running Regulator Eastern Western
O&M Upon Pressure IWS Field IWS Field Additional
Date Arrival (PSI)(PSI)(PSI)Comments
7/24/2015 Yes 70 15 15 Compressor operating, oil level and air filter good.
8/28/2015 Yes 70 16 16 Compressor operating, oil level and air filter good, changed compressor oil.
9/29/2015 Yes 72 14 14 Compressor operating, oil level and air filter good.
10/22/2015 Yes 70 18 18 Compressor operating, oil level and air filter good.
11/13/2015 Yes 72 15 15 Compressor operating, oil level and air filter good, changed compressor oil.
12/1/2015 No - Yes 0-70 0-15 0-15 Restarted compressor following manual DOT compressor shut-down on 11/24/15 due to
excessive noise. Replaced slipping belt and restarted with no other issues.
1/26/2016 Yes 70 15 15 Compressor operating, oil level and air filter good, changed compressor oil.
2/29/2016 Yes 72 18 18 Compressor operating, oil level and air filter good. Topped off oil level.
5/13/2016 No - Yes 0-70 0-20 0-20 Restarted compressor due to compressor motor internal overload switch tripping.
Compressor restarted with no issues.
6/9/2016 Yes - No 70-0 15-0 15-0 Compressor operating, oil level good, shut down end of day for 6/14/16 groundwater
sampling. System Restarted 6/14/16 following sampling event.
Notes:
IWS System Started on April 4, 2011
NM = Not Measured, NA = Not Applicable
Table 6 (Page 1 of 4)
Remediation System Well Data
NCDOT
Newton, North CarolinaH&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016,WT DataDate: 8/5/2016
Table 6 (Page 1 of 4)Hart & Hickman, PC
Monitoring / Well Remediation TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product
Recovery Well Diameter Well To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness
Identification (in)Status (ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
MW-1 2 Not Applicable NP 30.06 NP NP 29.17 NP NM NM NM NP 31.42 NP NP 31.39 NP NP 29.62 NP
MW-2 2 Not Applicable NP 29.79 NP NP 28.97 NP NM NM NM NP 29.02 NP NP 28.97 NP NP 30.03 NP
MW-6 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11. Removed IWS and Reinstalled Product Recovery Pump on 8/31/12 31.55 32.01 0.46 NM NM NM NM NM NM 29.96 30.02 0.06 NM NM NM 32.00 32.12 0.12
MW-11 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 NP 31.86 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
MW-12 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 NP 31.69 NP NM NM NM NM NM NM NP 29.43 NP NM NM NM NM NM NM
MW-13 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 NP 31.89 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
MW-15 2 Not Applicable, Started Gauging October 2011 at DENR request NP 32.21 NP NP 31.33 NP NP 31.39 NP NP 31.42 NP NP 31.38 NP NP 31.70 NP
MW-16 2 Not Applicable, Started Gauging October 2011 at DENR request NP 31.99 NP NP 31.01 NP NP 31.27 NP NP 31.36 NP NP 30.02 NP NP 31.52 NP
MW-19 2 Not Applicable NP 30.90 NP NP 29.97 NP NM NM NM NP 30.09 NP NP 30.01 NP NP 30.31 NP
MW-21 2 Not Applicable NP 30.14 NP NP 29.39 NP NM NM NM NM NM NM NP NM NM NM NM NM
RW-2 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 33.90 34.25 0.35 NM NM NM NM NM NM NM NM NM NP NM NM NM NM NM
RW-3 4 Not Applicable NP 31.00 NP NP 29.92 NP NM NM NM NP 29.99 NP NP 29.98 NP NP 29.96 NP
RW-4 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 32.80 33.10 0.30 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
RW-5 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 33.48 33.51 0.03 NM NM NM NM NM NM NP 30.22 NP NM NM NM NP 30.16 NP
RW-6 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 33.11 33.53 0.42 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
RW-7 4 Not Applicable 30.92 30.93 0.01 NP 29.94 NP NM NM NM NP 30.00 NP NP 29.89 NP NP 29.96 NP
RW-8 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 NP 33.08 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
RW-9 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 NP 33.11 NP NM NM NM NM NM NM NM NM NM NP NM NM NM NM NM
RW-10 4 Not Applicable NP 31.07 NP NP 29.84 NP NM NM NM NP 30.03 NP NP 30.11 NP NP 30.21 NP
RW-11 4 Not Applicable NP 30.67 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
RW-12 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11 NP 33.24 NP NP 31.28 NP NM NM NM NP 31.08 NP NM NM NM NP 30.84 NP
June 3, 2014 July 3, 2014 August 26, 2014 September 17, 2014 October 10, 2014 November 21, 2014
Notes:TOC = Top of CasingNM = Not MeasuredNP = No Product at time of gaugingPneumatic product recovery pumps removed on March 26, 2011 IWS operation began operation on April 1, 2011
Table 6 (Page 2 of 4)
Remediation System Well Data
NCDOT
Newton, North CarolinaH&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016,WT DataDate: 8/5/2016
Table 6 (Page 2 of 4)Hart & Hickman, PC
Monitoring / Well Remediation
Recovery Well Diameter Well
Identification (in)Status
MW-1 2 Not Applicable
MW-2 2 Not Applicable
MW-6 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11. Removed IWS and Reinstalled Product Recovery Pump on 8/31/12
MW-11 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-12 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-13 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-15 2 Not Applicable, Started Gauging October 2011 at DENR request
MW-16 2 Not Applicable, Started Gauging October 2011 at DENR request
MW-19 2 Not Applicable
MW-21 2 Not Applicable
RW-2 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-3 4 Not Applicable
RW-4 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-5 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-6 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-7 4 Not Applicable
RW-8 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-9 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-10 4 Not Applicable
RW-11 4 Not Applicable
RW-12 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
Notes:TOC = Top of CasingNM = Not MeasuredNP = No Product at time of gaugingPneumatic product recovery pumps removed on March 26, 2011 IWS operation began operation on April 1, 2011
TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product
To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NP 29.62 NP NP 29.58 NP NP 29.52 NP NM NM NM NP 29.82 NP NP 29.88 NP
NP 29.19 NP NP 29.16 NP NP 29.43 NP NM NM NM NP 29.45 NP NP 29.46 NP
32.23 32.29 0.06 32.24 32.27 0.03 30.87 30.96 0.09 NM NM NM 30.80 31.46 NP 30.69 30.72 0.03
NP 31.72 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NP 31.75 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
31.69 31.72 0.03 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NP 31.64 NP NP 31.59 NP NP 31.62 NP NP 31.98 NP NP 31.95 NP NP 32.04 NP
NP 31.40 NP NP 31.39 NP NP 31.48 NP NP 31.87 NP NP 31.83 NP NP 31.80 NP
NP 30.39 NP NP 30.30 NP NP 30.43 NP NM NM NM NP 30.41 NP NP 30.65 NP
NP 29.63 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NP 32.21 NP NM NM NM NM NM NM NM NM NM NP 31.57 NP NM NM NM
NP 30.28 NP NP 30.24 NP NP 30.18 NP NM NM NM NM NM NM NP 30.85 NP
NP 31.82 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NP 32.69 NP NP 32.65 NP NP 32.11 NP NM NM NM 31.56 31.58 NP NM NM NM
NP 32.22 NP NM NM NM NM NM NM NM NM NM NP 31.24 NP NM NM NM
NP 30.14 NP NP 30.10 NP 30.05 30.08 NP NM NM NM NP 30.04 NP 30.61 30.64 0.03
NP 32.10 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NP 32.20 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NP 30.37 NP NM NM NM NP 30.69 NP NM NM NM NP 30.45 NP NP 30.75 NP
NP 30.03 NP NM NM NM NP 31.72 NP NM NM NM NM NM NM NP 30.46 NP
32.45 32.47 0.02 32.42 32.44 0.02 NP 32.78 NP NM NM NM 31.63 31.64 0.01 NM NM NM
December 16, 2014 January 29, 2015 February 27, 2015 March 20, 2015 April 30, 2015 May 19, 2015
Table 6 (Page 3 of 4)
Remediation System Well Data
NCDOT
Newton, North CarolinaH&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016,WT DataDate: 8/5/2016
Table 6 (Page 3 of 4)Hart & Hickman, PC
Monitoring / Well Remediation
Recovery Well Diameter Well
Identification (in)Status
MW-1 2 Not Applicable
MW-2 2 Not Applicable
MW-6 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11. Removed IWS and Reinstalled Product Recovery Pump on 8/31/12
MW-11 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-12 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-13 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-15 2 Not Applicable, Started Gauging October 2011 at DENR request
MW-16 2 Not Applicable, Started Gauging October 2011 at DENR request
MW-19 2 Not Applicable
MW-21 2 Not Applicable
RW-2 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-3 4 Not Applicable
RW-4 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-5 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-6 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-7 4 Not Applicable
RW-8 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-9 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-10 4 Not Applicable
RW-11 4 Not Applicable
RW-12 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
Notes:TOC = Top of CasingNM = Not MeasuredNP = No Product at time of gaugingPneumatic product recovery pumps removed on March 26, 2011 IWS operation began operation on April 1, 2011
TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product
To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NP 29.75 NP NP 29.77 NP NM NM NM NP 30.04 NP NP 30.07 NP
NP 29.45 NP NP 29.16 NP NM NM NM NM NM NM NM NM NM
32.78 33.25 0.47 29.87 29.88 0.01 29.72 29.74 0.02 30.11 30.12 0.01 32.25 32.27 0.02
NP 32.32 NP NM NM NM NP 30.65 NP NM NM NM NM NM NM
NP 32.27 NP NM NM NM NM NM NM NM NM NM NM NM NM
NP 32.48 NP NM NM NM NM NM NM NM NM NM NM NM NM
NP 31.94 NP NP 31.96 NP NP 31.97 NP NP 32.63 NP NP 32.68 NP
NP 31.64 NP NP 31.68 NP NP 31.73 NP NP 32.70 NP NP 32.72 NP
NP 30.57 NP NM NM NM NM NM NM NP 31.12 NP NP 31.16 NP
NP 29.83 NP NM NM NM NM NM NM NP 30.27 NP NM NM NM
NP 32.78 NP NM NM NM NM NM NM NM NM NM 31.23 31.25 0.02
NP 30.68 NP NP 30.72 NP NP 30.75 NP NP 31.45 NP NP 31.48 NP
NP 32.47 NP NM NM NM NP 30.52 NP NM NM NM NM NM NM
33.18 33.28 0.10 32.98 33.05 0.07 33.05 33.07 0.02 NM 32.18 NM 32.38 32.40 0.02
32.82 32.87 0.05 NM NM NM NM NM NM NM NM NM NP 31.24 NP
30.60 30.62 0.02 NP 30.64 NP 30.68 30.69 0.01 31.62 31.64 0.02 31.64 31.65 0.01
NP 32.73 NP NM NM NM NM NM NM NM NM NM NM NM NM
NP 32.77 NP NM NM NM NM NM NM NM NM NM NM NM NM
NP 30.73 NP NM NM NM NP 30.87 NP NP 31.17 NP NM NM NM
NP 30.32 NP NM NM NM NM NM NM NP 30.85 NP NM NM NM
NP 32.92 NP 32.98 32.99 0.01 NP 32.84 NP NP 32.40 NP NP 32.45 NP
June 18, 2015 July 24, 2015 August 28, 2015 September 29, 2015 October 22, 2015
Table 6 (Page 4 of 4)
Remediation System Well Data
NCDOT
Newton, North CarolinaH&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016,WT DataDate: 8/5/2016
Table 6 (Page 4 of 4)Hart & Hickman, PC
Monitoring / Well Remediation
Recovery Well Diameter Well
Identification (in)Status
MW-1 2 Not Applicable
MW-2 2 Not Applicable
MW-6 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11. Removed IWS and Reinstalled Product Recovery Pump on 8/31/12
MW-11 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-12 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-13 2 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
MW-15 2 Not Applicable, Started Gauging October 2011 at DENR request
MW-16 2 Not Applicable, Started Gauging October 2011 at DENR request
MW-19 2 Not Applicable
MW-21 2 Not Applicable
RW-2 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-3 4 Not Applicable
RW-4 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-5 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-6 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-7 4 Not Applicable
RW-8 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-9 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
RW-10 4 Not Applicable
RW-11 4 Not Applicable
RW-12 4 Converted from SVE / Product Pump well to SVE/IWS Well on 4/1/11
Notes:TOC = Top of CasingNM = Not MeasuredNP = No Product at time of gaugingPneumatic product recovery pumps removed on March 26, 2011 IWS operation began operation on April 1, 2011
TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product TOC Depth TOC Depth Product
To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NP 29.97 NP NP 29.95 NP NM NM NM NP 29.90 NP NM NM NM NP 28.45 NP
NP 29.91 NP NP 29.88 NP NP 29.85 NP NP 29.82 NP NP 28.45 NP NP 28.52 NP
30.69 30.72 0.03 33.13 33.16 0.03 NM NM NM NM NM NM 31.40 32.64 1.24 31.68 31.85 0.17
NM NM NM NP 32.52 NP NM NM NM NM NM NM NM NM NM NP 31.19 NP
NM NM NM NP 32.55 NP NM NM NM NP 30.97 NP NP 31.10 NP NP 31.24 NP
NM NM NM NP 32.56 NP NM NM NM NM NM NM 31.06 31.13 0.07 NP 31.06 NP
NP 32.56 NP NP 32.52 NP NP 32.48 NP NP 32.45 NP NP 30.92 NP NP 30.74 NP
NP 32.30 NP NP 32.28 NP NP 32.22 NP NP 32.25 NP NP 30.69 NP NP 30.65 NP
NP 31.03 NP NP 31.00 NP NP 30.97 NP NM NM NM NM NM NM NP 29.38 NP
NM NM NM NP 30.21 NP NM NM NM NM NM NM NM NM NM NP 28.65 NP
NM NM NM 33.05 33.30 0.25 NM NM NM NM NM NM 31.54 31.83 0.29 31.65 31.78 0.13
NP 31.00 NP NP 30.96 NP NP 30.94 NP 30.89 30.90 0.01 NP 29.53 NP NP 29.26 NP
NM NM NM NP 32.66 NP NM NM NM NM NM NM NP 31.18 NP NP 31.35 NP
NM NM NM NP 33.58 NP NM NM NM NP 32.22 NP NP 32.03 NP NP 32.03 NP
NM NM NM NP 33.04 NP NM NM NM NM NM NM 31.57 31.58 NP NP 31.70 NP
NP 30.93 NP NP 30.92 NP NP 30.89 NP NP 30.84 NP NP 29.60 NP NP 29.22 NP
NM NM NM NP 33.92 NP NM NM NM NM NM NM NP 31.36 NP NP 31.60 NP
NM NM NM NP 33.00 NP NM NM NM NM NM NM NP 31.53 NP NP 31.63 NP
NP 31.10 NP NP 31.12 NP NP 31.02 NP NP 31.12 NP NM NM NM NP 29.46 NP
NP 30.80 NP NP 30.76 NP NM NM NM NM NM NM NM NM NM NP 29.07 NP
NM NM NM 33.34 33.52 0.18 NP 30.71 NP NM NM NM 31.78 31.80 0.02 NP 31.78 NP
January 26, 2016 February 29,2016 May 13, 2016 June 14 2016November 13, 2015 December 15, 2015
Table 7
Summary of Off-Gas Sampling Results (mg/m3)
NCDOT
Newton, North Carolin
H&H Job No. DOT-453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 air samples
Date:8/5/2016
Table 7 (Page 1 of 1)
Hart & Hickman, PC
Sample ID SVE040711 SVE111711 SVE052212 SVE112812 SVE042513 SVE121013 SVE060214 SVE121114 SVE061615 SVE120115 SVE060916
Sampling Date 4/27/2011 11/17/2011 5/22/2012 11/28/2012 4/25/2013 12/10/2013 6/2/2014 12/11/2014 6/16/2015 12/1/2015 6/9/2016
Analytical method VOC's
(Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)VOC's (Method TO-3)
Benzene 6.82 4.55 3.02 10.7 10.7 1.56 <0.65 0.33 1.82 0.49 0.877
Ethylbenzene 8.39 12.4 4.86 11 11.5 3.35 2.65 0.97 1.24 1.41 <0.441
Toluene 31.8 39.5 21.5 45.6 54.4 9.96 4.6 2.53 3.79 5.36 1.26
Xylenes 52.9 84.8 43.7 62.3 70.6 25.19 18.58 8.12 8.39 11.26 4.20THC59559939076089023416491.1 102 109 42.1
Notes:
THC = Total Hydrocarbons (mg/m3)
VOCs = Volatile organic compounds
Table 8
Summary of Estimated Mass Removal Rates
Soil Vapor Extraction / In-Well Stripper System
NCDOT
Newton, North Carolina
H&H Job No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 Mass removed (NEW)
Date:8/5/2016
Table 8 (Page 1 of 1)Hart & Hickman, PC
Off-Gas Analytical Results Estimated Mass Removal Rate Estimated Mass Removed During Period
Average
Flow Rate Benzene Toluene
Ethyl-
Benzene Xylenes
TRPH
C4-C10 Benzene Toluene
Ethyl-
benzene Xylenes
TRPH
C4-C10 Benzene Toluene
Ethyl-
benzene Xylenes
TRPH
C4-C10
(scfm)(mg/m3)(mg/m3)(mg/m3)(mg/m3)(mg/m3)(lb/day)(lb/day)(lb/day)(lb/day)(lb/day)(lb)(lb)(lb)(lb)(lb)
179 4/1/2011 to
9/27/2011 108 4/7/2011 6.82 31.8 8.39 52.9 595 0.07 0.31 0.08 0.51 5.78 11.86 55.30 14.59 92.00 1,034.74
140 9/27/11 to 2/14/12 107 11/17/2011 4.55 39.5 12.4 84.8 599 0.04 0.38 0.12 0.82 5.77 6.13 53.23 16.71 114.27 807.19
191 2/14/12 to 8/24/12 104 5/22/2012 3.02 21.5 4.86 43.7 390 0.03 0.20 0.05 0.41 3.65 5.40 38.42 8.68 78.09 696.90
103 8/24/12 to
12/20/12 103 11/28/2012 10.7 45.6 11 62.3 760 0.10 0.42 0.10 0.58 7.04 10.21 43.52 10.50 59.46 725.31
165 12/20/12 to
6/3/13 100 4/25/2013 10.7 54.4 11.5 70.6 890 0.10 0.49 0.10 0.64 8.01 15.88 80.75 17.07 104.79 1,321.0
190 6/3/13 to 12/10/13 100 12/10/2013 1.56 9.96 3.35 25.19 234 0.01 0.09 0.03 0.23 2.11 2.67 17.02 5.73 43.05 399.95
174 12/10/13 to
6/2/14 100 6/2/2014 <0.65 4.6 2.65 18.58 164 0.00 0.04 0.02 0.17 1.48 0.00 7.20 4.15 29.08 256.70
211 6/2/14 to
12/31/14 100 12/11/2014 0.33 2.53 0.97 8.12 91.1 0.00 0.02 0.01 0.07 0.82 0.63 4.80 1.84 15.41 172.92
167 12/31/14 to 6/16/15 104 6/16/2015 1.82 3.79 1.24 8.39 102 0.02 0.04 0.01 0.08 0.95 2.84 5.92 1.94 13.11 159.36
168 6/16/15 to
12/1/15 102 12/1/2015 0.49 5.36 1.41 11.26 109 0.00 0.05 0.01 0.10 1.00 0.76 8.26 2.17 17.36 168.02
192 12/1/15 to
6/9/16 102 6/9/2016 0.877 1.26 <0.441 4.2 42.1 0.01 0.01 0.00 0.04 0.39 1.55 2.22 0.00 7.40 74.17
Totals 57.92 316.64 83.38 574.02 5,816.3
Notes:
IWS System start-up was April 1, 2011, SVE system has been in operation since 2007Mass removed = off-gas emission rate X average flow rate (applying appropriate unit conversions)
Totals = daily mass removed X number of days in period
TRPH = Total Recoverable Petroleum Hydrocarbons

Dates of
operation
No. of Days of
operation
Off-Gas
sample
collection date
Table 9 (Page 1 of 2)
Summary of Free Product Recovery
MW-6 Product Recovery System
NCDOT
Newton, North Carolina
H&H Project No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 Product Recovery - MW-6
Date: 8/5/2016
Table 9 (Page 1 of 2)
Hart & Hickman, PC
Product Water Product Water Product Water Product Water Product Water Product Water Product WaterDate(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)Comments
8/31/2012 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Initial start-up of product recovery system. Gauged well, set
pumps to straddle calculated product/water interface, checked for
air and product line leaks, etc. Test High level float in product
recovery tank.
9/11/2012 2.0 0.0 0.0 0.0 0.0 0.0 2.0 0.0 2.0 0.0 2.0 0.0 2.0 0.0 System operating. No changes made.
10/1/2012 3.0 0.0 0.0 0.0 0.0 0.0 3.0 0.0 1.0 0.0 1.0 0.0 3.0 0.0 System down due to storm knocking out power. System was off
approximately 7 days based on SVE hour meter. Restart system.
11/28/2012 3.5 0.0 0.0 0.0 0.0 0.0 3.5 0.0 0.6 0.0 0.6 0.0 3.5 0.0 System operating. Pulled pump to gauge product level in MW-6,
and adjust pump accordingly.12/20/2012 4.3 0.0 0.0 0.0 0.0 0.0 4.3 0.0 0.8 0.0 0.8 0.0 4.3 0.0 System operating. No changes made.
1/29/2013 4.3 0.0 0.0 0.0 0.0 0.0 4.3 0.0 0.0 0.0 0.0 0.0 4.3 0.0 System operating. No changes made.
2/12/2013 4.5 0.0 0.0 0.0 0.0 0.0 4.5 0.0 0.2 0.0 0.2 0.0 4.5 0.0 System operating. Pulled pump to check condition, no changes
made.
3/8/2013 6.3 0.0 0.0 0.0 0.0 0.0 6.3 0.0 1.8 0.0 1.8 0.0 6.3 0.0 System operating. No changes made.
4/25/2013 7.5 2.0 0.0 0.0 0.2 0.0 7.7 2.0 1.2 2.0 1.4 2.0 7.7 2.0 Raised pump 1' due to presence of some water in recovery tank
5/16/2013 7.7 2.0 0.0 0.0 0.0 0.0 7.7 2.0 0.0 0.0 0.0 0.0 7.7 2.0 System operating. No changes made.
6/3/2013 8.2 2.0 0.0 0.0 0.0 0.0 8.2 2.0 0.5 0.0 0.5 0.0 8.2 2.0 System operating. Pulled pump to check condition, cleaned tubing
and intake float7/1/2013 9.8 2.2 0.0 0.0 0.4 0.0 10.2 2.2 1.7 0.2 2.1 0.2 10.2 2.2 System operating. No changes made.
8/22/2013 11.0 2.6 0.0 0.0 0.0 0.0 11.0 2.6 0.8 0.4 0.8 0.4 11.0 2.6 System operating. Pulled pump to check condition, cleaned tubing
and intake float9/29/2013 12.0 4.9 0.0 0.0 0.1 0.0 12.1 4.9 1.0 2.4 1.1 2.4 12.1 4.9 Raised pump 1' due to presence of some water in recovery tank10/29/2013 13.2 5.3 0.0 0.0 0.2 0.0 13.4 5.3 1.1 0.4 1.3 0.4 13.4 5.3 System operating. No changes made.
11/20/2013 14.1 5.7 0.0 0.0 0.0 0.0 14.1 5.7 0.8 0.4 0.8 0.4 14.1 5.7 System operating. Pulled pump to check condition, cleaned tubing
and intake float
12/10/2013 15.1 5.9 0.0 0.0 0.2 0.0 15.3 5.9 1.0 0.2 1.2 0.2 15.3 5.9 System operating. Pulled pump to check condition. Turned off
prior to 12/19/13 sampling. Restarted 12/20/13.
1/31/2014 12.2 3.9 0.0 0.0 0.0 0.0 12.2 3.9 -3.1 -2.0 -3.1 -2.0 12.2 3.9 System operating. No changes made.
2/19/2014 17.5 5.3 0.0 0.0 0.0 0.0 17.5 5.3 5.3 1.4 5.3 1.4 17.5 5.3 System operating. Pulled pump to check condition, cleaned tubing
and intake float
3/28/2014 21.0 3.9 0.0 0.0 0.0 0.0 21.0 3.9 3.5 -1.4 3.5 -1.4 21.0 3.9 System operating. Pulled pump to check condition.4/14/2014 17.7 4.2 0.0 0.0 0.0 0.0 17.7 4.2 -3.3 0.3 -3.3 0.3 17.7 4.2 System operating. No changes made.
5/14/2014 18.6 5.9 0.0 0.0 0.0 0.0 18.6 5.9 0.9 1.7 0.9 1.7 18.6 5.9 System operating. Pulled pump to check condition, raised pump
1' to minimize water recovery
6/2/2014 19.1 7.0 0.0 0.0 0.0 0.0 19.1 7.0 0.5 1.1 0.5 1.1 19.1 7.0 System operating. No changes made.
7/3/2014 19.4 8.1 0.0 0.0 0.0 0.0 19.4 8.1 0.3 1.1 0.3 1.1 19.4 8.1 System operating. Pulled pump to check condition, no changes
made.
8/26/2014 19.8 8.7 0.0 0.0 0.0 0.0 19.8 8.7 0.4 0.6 0.4 0.6 19.8 8.7 System operating. No changes made.9/17/2014 20.0 8.9 0.0 0.0 0.0 0.0 20.0 8.9 0.2 0.2 0.2 0.2 20.0 8.9 System operating. Pulled pump to check condition.
10/10/2014 20.6 8.9 0.0 0.0 0.0 0.0 20.6 8.9 0.6 0.0 0.6 0.0 20.6 8.9 System operating. No changes made.
11/21/2014 21.6 9.6 0.0 0.0 0.0 0.0 21.6 9.6 1.0 0.7 1.0 0.7 21.6 9.6 Compressor off on arrival due to tripped breaker. restarted, no
apparent issues.
Cumulative
Volume Recovered
Volume Measured
in Tank on Arrival
Volume Pumped
from Tank
Volume Hand Bailed
or Pumped into Tank
Volume in Tank
at End of Visit
Volume Recovered
By System
Volume Recovered
Since Last Visit
Table 9 (Page 2 of 2)
Summary of Free Product Recovery
MW-6 Product Recovery System
NCDOT
Newton, North Carolina
H&H Project No. DOT- 453
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\System Tables June 2016 Product Recovery - MW-6
Date: 8/5/2016
Table 9 (Page 2 of 2)
Hart & Hickman, PC
Product Water Product Water Product Water Product Water Product Water Product Water Product WaterDate(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)(gallons)Comments
Cumulative
Volume Recovered
Volume Measured
in Tank on Arrival
Volume Pumped
from Tank
Volume Hand Bailed
or Pumped into Tank
Volume in Tank
at End of Visit
Volume Recovered
By System
Volume Recovered
Since Last Visit
12/11/2014 21.6 9.6 0.0 0.0 0.0 0.0 21.6 9.6 0.0 0.0 0.0 0.0 21.6 9.6 System down due to broken compressor belt. Purchased new
belt, installed and restarted.
1/29/2015 22.4 9.8 0.0 0.0 0.0 0.0 22.4 9.8 0.8 0.2 0.8 0.2 22.4 9.8 System operating. Pulled pump to check condition, no changes
made.2/27/2015 22.4 9.8 0.0 0.0 0.0 0.0 22.4 9.8 0.0 0.0 0.0 0.0 22.4 9.8 System operating. No changes made.
3/20/2015 NG NG 0.0 0.0 0.0 0.0 NG NG NG NG NG NG NG NG
System operating. No changes made. Interface probe not
working properly, unable to get accurate measurements on
recovery tank.
4/30/2015 22.8 9.8 0.0 0.0 0.0 0.0 22.8 9.8 0.0 0.0 0.4 0.0 22.8 9.8 Compressor off on arrival due to tripped breaker. restarted, no
apparent issues.
5/19/2015 23.6 10.2 0.0 0.0 0.0 0.0 23.6 10.2 0.8 0.4 0.8 0.4 23.6 10.2 System operating. Pulled pump to check condition, no changes
made.
6/16/2015 24.0 10.2 0.0 0.0 0.0 0.0 24.0 10.2 0.4 0.0 0.4 0.0 24.0 10.2
System operating. Pulled pump to check condition. Pump not
operating, attempted to rebuild but had to swap with pump stored
in building. Turned off prior to 6/18/15 sampling. Restarted
6/19/15.
7/24/2015 24.2 10.2 0.0 0.0 0.0 0.0 24.2 10.2 0.2 0.0 0.2 0.0 24.2 10.2 System operating. Pulled pump to check condition, no changes
made.
8/28/2015 28.3 12.2 0.0 0.0 0.0 0.0 28.3 12.2 4.1 2.0 4.1 2.0 28.3 12.2 System operating. Pulled pump to check condition, no changes
made.
9/29/2015 28.3 12.2 0.0 0.0 0.0 0.0 28.3 12.2 0.0 0.0 0.0 0.0 28.3 12.2 System operating. Pulled pump to check condition (low product
recovery), no changes made.
10/22/2015 28.4 12.2 0.0 0.0 0.0 0.0 28.4 12.2 0.1 0.0 0.1 0.0 28.4 12.2 System operating. No changes made.
11/12/2015 29.1 12.2 29.1 12.2 0.0 0.0 0.0 0.0 0.7 0.0 0.7 0.0 29.1 12.2
H&H manually shut down system for drum and recovered
product/water mixture disposal by A&D. New 55 gallon drum
reinstalled and system restarted.
12/1/2015 0.2 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.2 0.0 0.2 0.0 29.3 12.2
Restarted compressor following manual DOT compressor shut-
down on 11/24/15 due to excessive noise. Replaced slipping belt
and restarted compressor. Rebuilt pump check valves due to
pump issue and restarted with no additional issues.
1/26/2016 0.4 0.2 0.0 0.0 0.0 0.0 0.4 0.2 0.2 0.2 0.2 0.2 29.5 12.4 System operating. Pulled pump to check condition (lowered pump
approx 0.5 ft, no changes made.
2/29/2016 0.6 0.4 0.0 0.0 0.0 0.0 0.6 0.4 0.2 0.2 0.2 0.2 29.7 12.6 System operating. No changes made, tested high level recovery
tank shut-off switch.
5/13/2016 1.2 1.0 0.0 0.0 0.0 0.0 1.2 1.0 0.6 0.6 0.6 0.6 30.3 13.2
Compressor off on arrival due to tripped internal breaker.
restarted, no apparent issues. Pulled pump and cleaned check
valves due to pumping issues.
6/9/2016 2.2 2.1 0.0 0.0 0.0 0.0 2.2 2.1 1.0 1.1 1.0 1.1 31.3 14.3
System operating. Shut down system and pulled pump prior to
6/14/16 semi-annual groundwater sampling. Pump reinstalled and
started on 6/14/16 following site wide gauging event.
Notes:
Negative values indicate loss by evaporation or inexact gauging
TITLE
PROJECT
SITE LOCATION MAP
NC DOT MAINTENANCE FACILITY
NEWTON, NORTH CAROLINA
DATE:
JOB NO:
REVISION NO:
FIGURE NO:
8-1-16 0
1DOT-453
0 2000 4000
APPROXIMATE
SCALE IN FEETN
U.S.G.S. QUADRANGLE MAP
QUADRANGLE
7.5 MINUTE SERIES (TOPOGRAPHIC)
MAIDEN, NC 1993
SITE
TITLE
PROJECT
WATER SUPPLY WELL SURVEY MAP
NC DOT MAINTENANCE FACILITY
NEWTON, NORTH CAROLINA
DATE:
JOB NO:
REVISION NO:
FIGURE NO:
8-1-16 0
2DOT-453
0 320 640
APPROXIMATE
SCALE IN FEETN
LEGEND
INACTIVE WATER SUPPLY WELL
ACTIVE WATER SUPPLY WELL
MAP SOURCE: SOLUTIONS-IES WATER SUPPLY WELL SURVEY MAP DATED 6/15/2010.
SITE
WSW-1
WSW-5
WSW-2 WSW-16
RW-10RW-9RW-8RW-6RW-2RW-4RW-3RW-7RW-1RW-12RW-5RW-11APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSEMW-1DNEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGFORMERSHOPGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASSMW-5MW-4MW-32MW-27MW-28MW-30MW-24MW-9MW-25MW-3MW-20MW-1MW-14MW-15MW-16MW-7MW-17MW-8MW-18MW-23MW-22MW-11MW-13MW-12MW-6MW-29MW-2MW-21MW-19MW-26MW-31LEGENDMONITORING WELLDEEP MONITORING WELLRECOVERY WELLFORMER GASOLINE UST AND DISPENSERAREA2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyS:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\figures\geo-ref FIG-3 THRU 9.dwg, Figure 3, 8/1/2016 11:07:25 AM, zbarlow
APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSEMW-1DNEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGFORMERSHOPGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASS(NS)(CNL)(68.01)(68.47)(67.93)(68.33)(68.14)(68.23)(68.50)(68.74)(68.61)(68.69)(68.77)(68.98)(68.94)(68.63)(68.97)(68.62)(68.57)(68.76)(68.40)(68.47)(68.71)(68.98)(68.94)(69.05)(69.00)(68.96)6
9
.
0
0 68.7568.00
6
8
.
2
5
68.50
68.50
68.2568.75
6
9
.
0
0(68.45)68.00
MW-5MW-4MW-32MW-27MW-28MW-30MW-24MW-9MW-25MW-3MW-20MW-1MW-14MW-15MW-16MW-7MW-17MW-8MW-18MW-23MW-22MW-11MW-13MW-12MW-6MW-29MW-2MW-21MW-19MW-26MW-31(68.88)2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyLEGENDMONITORING WELLDEEP MONITORING WELLFORMER GASOLINE UST ANDDISPENSER AREAGROUNDWATER ELEVATION (FT)GROUNDWATER ELEVATIONCONOTUR (FT)INFERRED GROUNDWATER FLOWDIRECTIONCOULD NOT LOCATENOT GAUGEDNOT SURVEYED(68.98)68.00(CNL)(NG)NOTE:ELEVATION NOT SHOWN FOR MW-20 (GAUGINGDATA ANOMALY).(NS)S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\figures\geo-ref FIG-3 THRU 9.dwg, Figure 4, 8/1/2016 11:07:30 AM, zbarlow
(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(NP)(CNL)(NP)(NP)(NP)(NP)(NP)(NP)0.01(0.17)APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSEMW-1DNEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGFORMERSHOPGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASSMW-5MW-4MW-32MW-27MW-28MW-30MW-24MW-9MW-25MW-3MW-20MW-1MW-14MW-15MW-16MW-7MW-17MW-8MW-18MW-23MW-22MW-11MW-13MW-12MW-6MW-29MW-2MW-21MW-19MW-26MW-312923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyLEGENDMONITORING WELLDEEP MONITORING WELLFORMER GASOLINE UST AND DISPENSERAREAAPPROXIMATE EXTENT OF FREE PRODUCT(FT)NO PRODUCTFREE PRODUCT CONTOURCOULD NOT LOCATE(NP)(0.17)(CNL)NOTE:ALTHOUGH FREE PRODUCT WAS NOTDETECTED IN MW-2, MW-11 OR MW-13 IN JUNE2016, FREE PRODUCT AREA IS INFERREDBASED ON FREE PRODUCT IN RECOVERYWELLS AND PRIOR FREE PRODUCT IN THEABOVE MONITORING WELLS.0.01S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\figures\geo-ref FIG-3 THRU 9.dwg, Figure 5, 8/1/2016 11:07:35 AM, zbarlow
(CNL)(NS)(<1.0)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(6,006)(318)(NS)(NS)(NS)(FP)(NS)(397.3)(0.9)(NS)(<1.0)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(<1.0)(220.5)1,0001,00011APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSEMW-1DNEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGFORMERSHOPGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASSMW-5MW-4MW-32MW-27MW-28MW-30MW-24MW-9MW-25MW-3MW-20MW-1MW-14MW-15MW-16MW-7MW-17MW-8MW-18MW-23MW-22MW-11MW-13MW-12MW-6MW-29MW-2MW-21MW-19MW-26MW-312923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyLEGENDMONITORING WELLDEEP MONITORING WELLFORMER GASOLINE UST AND DISPENSERAREABTEX CONCENTRATION (g/L)FREE PRODUCTBTEX ISOCONCENTRATION CONTOURCOULD NOT LOCATENOT SAMPLEDNOT DETECTED(FP)(<1.0)1(CNL)(NS)(ND)S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\figures\geo-ref FIG-3 THRU 9.dwg, Figure 6, 8/1/2016 11:07:39 AM, zbarlow
(NS)(NS)(CNL)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(<0.5)(NS)(NS)(NS)(<0.5)(NS)(<0.5)(NS)(NS)(NS)(143)(NS)(NS)(FP)(<0.5)(144)(1,230)(NS)(183)10011,000
11001,000APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSEMW-1DNEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGFORMERSHOPGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASSMW-5MW-4MW-32MW-27MW-28MW-30MW-24MW-9MW-25MW-3MW-20MW-1MW-14MW-15MW-16MW-7MW-17MW-8MW-18MW-23MW-22MW-11MW-13MW-12MW-6MW-29MW-2MW-21MW-19MW-26MW-312923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyLEGENDMONITORING WELLDEEP MONITORING WELLFORMER GASOLINE UST AND DISPENSERAREABENZENE CONCENTRATION (g/L)FREE PRODUCTBENZENE ISOCONCENTRATIONCONTOURCOULD NOT LOCATENOT SAMPLED(FP)(143)100(CNL)(NS)S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\figures\geo-ref FIG-3 THRU 9.dwg, Figure 7, 8/1/2016 11:07:45 AM, zbarlow
(0.9)(168.9)(3,140)(NS)(CNL)(NS)(NS)(17.9)(NS)(FP)(NS)(NS)(NS)(146.6)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(NS)NS(<1.0)(<1.0)(NS)(<1.0)(NS)5001,0001,000500APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSEMW-1DNEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGFORMERSHOPGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASSMW-5MW-4MW-32MW-27MW-28MW-30MW-24MW-9MW-25MW-3MW-20MW-1MW-14MW-15MW-16MW-7MW-17MW-8MW-18MW-23MW-22MW-11MW-13MW-12MW-6MW-29MW-2MW-21MW-19MW-26MW-312923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyLEGENDMONITORING WELLDEEP MONITORING WELLFORMER GASOLINE UST AND DISPENSERAREAXYLENE CONCENTRATION (g/L)FREE PRODUCTXYLENE ISOCONCENTRATION CONTOURCOULD NOT LOCATENOT SAMPLED(FP)(17.9)(CNL)500(NS)S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\figures\geo-ref FIG-3 THRU 9.dwg, Figure 8, 8/1/2016 11:07:50 AM, zbarlow
(NS)(NS)(<0.5)(NS)(NS)(NS)(<0.5)(NS)(NS)(NS)(<0.50)(<0.5)(NS)(<0.5)(CNL)(NS)(<0.5)(NS)(FP)(NS)(NS)(0.52)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(NS)(<5.0)2020APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSEMW-1DNEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGFORMERSHOPGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASSMW-5MW-4MW-32MW-27MW-28MW-30MW-24MW-9MW-25MW-3MW-20MW-1MW-14MW-15MW-16MW-7MW-17MW-8MW-18MW-23MW-22MW-11MW-13MW-12MW-6MW-29MW-2MW-21MW-19MW-26MW-312923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyLEGENDMONITORING WELLDEEP MONITORING WELLFORMER GASOLINE UST AND DISPENSERAREAMTBE CONCENTRATION (g/L)FREE PRODUCTMTBE ISOCONCENTRATION CONTOURCOULD NOT LOCATENOT SAMPLED(FP)(<0.5)20(CNL)(NS)S:\AAA-Master Projects\NC DOT -DOT\DOT-453 Newton\Reports\July 2016 ARMR\figures\geo-ref FIG-3 THRU 9.dwg, Figure 9, 8/1/2016 11:07:55 AM, zbarlow

Appendix A

Laboratory Analytical Data for Monitoring Wells

Appendix B

SVE System / In-Well Air Stripper Operation and Maintenance Logs

Appendix C

SVE Off-Gas Laboratory Analytical Results