MO-6984_27696_CA_MRP_20190829

Via Federal Express
August 29, 2019
NCDEQ Division of Waste Management/UST Section 610 East Center Avenue Suite 301
Mooresville, NC 28115
Attn: Mr. Brad Newton Re: Monitoring Report
NCDOT Maintenance Facility
1302 Prison Camp Road Newton, North Carolina DEQ Incident No. 27696 H&H Job No. DOT-465

Dear Brad: On behalf of NC DOT, Hart & Hickman, PC (H&H) is providing the attached 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: Mr. Jeff Walston, NC DOT (via email)
Mr. Doug Urland, Catawba County Health Dept (Hard Copy via cert mail)

#C-1269 Engineering #-245 Geology
Monitoring Report
NCDOT Maintenance Facility
1302 Prison Camp Rd.
Newton, North Carolina
Groundwater Incident No. 27696

H&H Job No. DOT- 465 August 26, 2019

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Monitoring Report Information
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 – (Due to the presence of free product in the source area)
Land Use: Subject property is industrial and used for NCDOT equipment storage and maintenance. Surrounding properties are commercial and light industrial.
Property Owner: Email Contact:
North Carolina Department of Transportation Jeff D. Walston Roadside Environmental Unit (Attn: Jeff Walston, PE) [e-mail] 1557 Mail Service Center Raleigh, NC 27699-1577
Consultant: Laboratory: (Groundwater) Hart & Hickman, PC Prism Laboratories Inc. 2923 South Tryon Street, Suite 100 NC Certification No. 402 Charlotte, NC 28203 449 Springbrook Rd.
Attn: Jacob Lane Charlotte, NC 28217
[phone] Attn: Angela Overcash [phone] Release Information: Laboratory: (Air Sample)
Discovery = October 2003 Access Analytical
Source of Release = Gasoline UST’s NC Certification No. 562 and/or Associated Piping (Subcontracted through Prism Labs) Date of Release = Unknown Attn: Angela Overcash Quantity of Release = Unknown [phone]
Material Released = Unleaded gasoline

UST information - Three gasoline tanks (1,000 gallons, 5,100 gallons, and 6,300 gallons) transfer piping and dispensers associated with the release were removed previously (date
unknown).

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Monitoring Report NCDOT Maintenance Facility
Newton, North Carolina H&H Job No. DOT-465
Table of Contents
Section Page No.
1.0 Executive Summary ................................................................................................................1
2.0 Site History and Characterization .........................................................................................3
3.0 Receptor Information .............................................................................................................7
3.1 Water Supply Wells ..............................................................................................................7
3.2 Surface Water .......................................................................................................................7
3.3 Property Owners and Area Land Use ...................................................................................7
4.0 Geology and Hydrogeology ....................................................................................................9
4.1 Regional Geology and Hydrogeology ..................................................................................9
4.2 Site Geology and Hydrogeology.........................................................................................10
5.0 Groundwater Sampling ........................................................................................................11
5.1 Water Levels and Free Product ...........................................................................................11
5.2 Monitoring Well Analytical Data .......................................................................................11
5.3 Groundwater Concentration Trends ....................................................................................13
6.0 Remediation System Operation ...........................................................................................14
6.1 Soil Vapor Extraction / In-Well Aeration System ..............................................................14
6.2 Free Product Recovery System Operation and Progress ....................................................15
7.0 Monitoring and Reporting ...................................................................................................17
8.0 Conclusions and Certification ..............................................................................................18

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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 Adjacent Property Owners
Table 4 Summary of Dissolved Oxygen and Site Geochemical Data
Table 5 Water Supply Well Inventory
Table 6 Soil Vapor Extraction System Data
Table 7 In-Well Aeration System Data
Table 8 Remediation System Well Data
Table 9 Summary of Off-Gas Sampling Results (mg/m3)
Table 10 Summary of Estimated Mass Removal Rates
Table 11 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 Adjacent Property Owner Map
Figure 5 Generalized Cross Sections A-A’ (June 2019)
Figure 6 Generalized Cross Sections B-B’ (June 2019)
Figure 7 Shallow Groundwater Potentiometric Map (June 2019)
Figure 8 Current & Historic Free Product Plume (June 2004 & June 2019)
Figure 9 BTEX Concentrations in Shallow Groundwater (June 2019)
Figure 10 Benzene Concentrations in Shallow Groundwater (June 2019)
Figure 11 Total Xylene Concentrations in Shallow Groundwater (June 2019)
Figure 12 MTBE Concentrations in Shallow Groundwater (June 2019)
Figure 13 SVE/IWS Remediation System Layout
Figure 14 Product Recovery System Layout

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List of Appendices

Appendix A CSA Soil Analytical Results and Generalized Cross Sections
Appendix B Boring Logs and Well Construction Records
Appendix C Laboratory Analytical Data for Monitoring Wells
Appendix D Field Notes / SVE System / In-Well Air Stripper Operation and Maintenance
Logs
Appendix E SVE Off-Gas Laboratory Analytical Results

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Monitoring Report NCDOT Maintenance Facility
Newton, North Carolina H&H Job No. DOT-465
1.0 Executive Summary

On behalf of the North Carolina Department of Transportation (NCDOT), Hart & Hickman, PC
(H&H) has completed a 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) 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 2019 and remediation system
operation and maintenance (O&M) activities for the period of January 2019 through June 2019.
A site map is included as Figure 3.

During the current six month reporting period, H&H has continued operation of a soil vapor
extraction (SVE), in-well aeration (IWS), and product recovery system. In addition, H&H has
performed semi-annual groundwater gauging and sampling to evaluate its performance.

The SVE system was put into operation in 2004 to address soil impacts and is still in operation.
A pneumatic product recovery system was installed by others in March 2008 to address product
present in source area monitoring and recovery wells. The recovery system was reconfigured in
March 2011 due to diminishing product thicknesses and IWS was utilized in recovery wells
where trace amounts of free product were periodically present. In August 2012, the free product
recovery pump was reinstalled in MW-6.

As shown in Table 1, free product was present in MW-6 (0.03’) during the June 2019 gauging
event. Product was not detected in the other site monitoring or recovery wells during the June
2019 gauging event.

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Groundwater analytical results from the June 2019 sampling event indicate the presence of
benzene (up to 1,900 µg/l) and naphthalene (up to 220 µg/l) in shallow groundwater (Table 2).
The 2L Groundwater Standards for benzene and naphthalene are 1 and 6 µg/l, respectively. June
2019 laboratory analytical results indicate the presence of VOCs above the 2L Groundwater
Standards in monitoring wells MW-3, MW-14, MW-21, and MW-25 although no VOC
detections exceeded the DEQ Gross Contamination Levels (GCLs). Considering historical
monitoring data for perimeter monitoring wells, the plume maps indicate that impacted
groundwater is delineated and limited to an area within the subject property boundaries.
Historical monitoring data indicates that no VOC detections have exceeded GCLs at the site
since February 2008 although free product is present (Table 2).

Once free phase product has been removed from the site and no compounds are above GCLs, the
site should be eligible for risk–based closure considering the absence of potential receptors of
concern. Therefore, the objective of operating the current soil (SVE) and product removal
systems (IWS and product recovery pump) is the removal of free product from the site and not
the reduction of groundwater detections below 2L Groundwater Standards.

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2.0 Site History and Characterization
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 previously removed 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) and are presented in Appendix A.

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 (Appendix A).
Generalized historic cross-sections through the former oil/water separator basin and former
gasoline UST area from the CSA are also included in Appendix A. The data indicate that soils
impacted above soil to groundwater MSCCs cover an area of approximately 16,000 ft2 and
extend 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, IWS, and free product
recovery from MW-6 are being used to remediate 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.
During the same DEQ meeting, it was decided that perimeter monitoring wells MW-7, MW-8,

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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/cleaning) that would be performed to
address source area free product in the vicinity of MW-6.

H&H performed the approved well abandonment and well cleaning activities on July 14 and 15,
2016. The work was performed by Geological Exploration Inc. (GEX), a NC certified well
driller. Each of the abandoned wells were tremie grouted with a portland bentonite slurry to land
surface. Following well abandonment, the concrete pads and well vaults were removed by GEX
and were properly disposed of. Former well pads locations within paved surfaces were repaved
with concrete, and well pads located within soil or gravel locations were replaced with materials
similar to the surroundings.

On July 15, 2016, GEX performed well scrubbing activities on eight wells (MW-6, MW-11,
MW-13, RW-2, RW-4 through RW-6 and RW-12) in preparation for a scheduled MMPE event.
The MMPE event was proposed to determine if the small amounts of remaining free product
could be removed by a final MMPE event. The well screens at proposed suction and product
monitoring wells locations were scrubbed with a stainless-steel brush to remove possible
biological growth or mineral deposits resulting from operation of the IWS system that could
interfere with free product recovery.

H&H contracted Advanced Environmental Services to perform a 96-hour MMPE event between
July 18 and July 22, 2016. The MMPE event was performed on source area wells MW-6, RW-2,
RW-4, RW-6 and RW-12 that have historically contained free product. Approximately 3,563
gallons of impacted groundwater were recovered during the MMPE event. Of the 3,563 gallons
of total fluid, no measureable free product was recovered in the liquid phase (although a
petroleum sheen was observed) and approximately 1.82 gallons (11.02 pounds) of product were
recovered in the vapor phase. Although no free product was detected in any of the site wells
immediately following the MMPE event, the site was regauged after a period of two weeks
(August 5, 2016) and trace amounts of free product (0.01 - 0.05 ft) were observed in MW-6,
RW-2, RW-5, and RW-12.

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The remediation systems were restarted following the August 5, 2016 gauging event and are
currently in operation.

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3.0 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, permanently sealed with a four-inch thick concrete
pad, and is also buried below grade. WSW-5 is approximately 1,065 feet from the source area
and based on tenant interviews, is used for irrigation only. 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. Information on the supply wells within
1,000 ft of the source area are summarized in Table 5, and well locations are shown on Figure 2.

To address an email from Ms. Megen McBride of Catawba County Environmental Health in
response to our August 2018 monitoring report, H&H conducted research and a site visit to find
more information on sealed wells WSW-2 and WSW-16. H&H interviewed site personnel,
checked with NC DEQ Mooresville Water Resources, checked with the NC DOT archivist and
visited the Site and prison property to observe the previously reported well locations. H&H did
not find additional information or observe surface evidence of these two out of service water
supply wells.

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.

3.3 Property Owners and Area Land Use

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The subject site is used as a maintenance and equipment facility for NCDOT. A fence and
lockable gates limit access to the site. The land use in the vicinity of the subject site is mixed
manufacturing, commercial, residential, and undeveloped/agricultural. The zoning of the subject
site and most properties along Prison Camp Road is Manufacturing (M-1) with residential zoned
areas to the southwest, south, and northeast. There are three residence located approximately
1,100 ft to the southwest, south, and northeast of the source areas. Adjacent property owners and
uses are summarized in Table 3 and Figure 4.

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4.0 Geology and Hydrogeology
4.1 Regional Geology and Hydrogeology
The subject property is located within the Piedmont Physiographic Province of North Carolina
(Piedmont). The Piedmont is generally characterized by a thick mantle of weathered residuum
over fractured crystalline and metamorphic rock. The Piedmont region consists of low, rounded
hills and long, rolling, northeast-southwest trending ridges. The region is underlain by bedrock
of Precambrian and Paleozoic age consisting of igneous and metamorphosed igneous and
sedimentary rocks, including granite, gneiss, schist, quartzite, slate, marble and phyllite.
According to the Geologic Map of North Carolina (1985), the bedrock in the vicinity of the
subject site is composed of amphibolite and biotite gneiss.

In the Piedmont, the bedrock is overlain by a mantle of weathered rock termed saprolite or
residuum. The saprolite consists of unconsolidated clay, silt, and sand with lesser amounts of
rock fragments. Due to the range of parent rock types and their variable susceptibility to
weathering, the saprolite ranges widely in color, texture, and thickness. Generally, the saprolite
is thickest near interstream divides and thins toward stream beds. In profile, the saprolite
normally grades from clayey soils near the land surface to highly weathered rock above
competent bedrock.

The occurrence and movement of ground water in the Piedmont is within two separate but
interconnected water-bearing zones. A shallow water-bearing zone occurs within the saprolite,
and a deeper water-bearing zone occurs within the underlying bedrock.

Groundwater in the shallow saprolite zone occurs in the interstitial pore spaces between the
grains comprising the saprolitic soils, and is typically under water table or unconfined
conditions. Ground water movement is generally lateral from recharge areas to small streams
that serve as localized discharge points.

The occurrence and movement of groundwater in the underlying water-bearing zone within the
crystalline bedrock is controlled by secondary joints, fractures, and faults within the bedrock.

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On a regional scale, the direction of groundwater flow is typically from uplands to major streams
and ground water sinks. The saprolite has a higher porosity than the bedrock and serves as a
reservoir that supplies water to a network of fractures in the bedrock.

4.2 Site Geology and Hydrogeology

In general, soils encountered in the vicinity of the former oil/water separator and gasoline UST
areas consist of sandy to silty clay fill soils from the surface to depths of 5 to 10 ft. The fill soils
are generally underlain by residual soils consisting of sandy silts to a depth of approximately 60
ft, where partially weathered rock (PWR) was encountered. Bedrock was not encountered in
H&H’s borings, but should be just underneath PWR. Logs of borings conducted by H&H at the
site are included in Appendix B. Site geologic cross-sections with December 2018 benzene
groundwater concentrations and isoconcentration contours are presented as Figures 5 and 6.

Hydraulic conductivity tests (slug tests) were performed on monitoring wells MW-6, MW-7, and
MW-9 on November 5, 2003. A slug of water was removed from each well using a 36-inch
bailer and water levels were monitored over time. The slug test data were analyzed using the
method of Bouwer and Rice. The test results indicate hydraulic conductivity at the site ranges
from approximately 0.005 ft/day to 0.35 ft/day. The geometric mean hydraulic conductivity is
0.06 ft/day (2 x 10-5 cm/sec). Based on the site horizontal gradient of 0.01 ft/ft, hydraulic
conductivity of 0.06 ft/day, and assumed porosity of 0.25, the ground water velocity is estimated
to be only 1 ft/yr. Slug tests can sometimes result in lower aquifer hydraulic conductivity
estimates because they measure only a small portion of the aquifer in the vicinity of the tested
monitoring wells. Based on the plume extent and number of years of site UST operations, the
actual ground water velocity at the site appears to exceed 1 ft/yr.

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5.0 Groundwater Sampling
5.1 Water Levels and Free Product
On June 19, 2019, H&H gauged water levels in the site monitoring wells. Monitoring well
gauging and top of casing (TOC) data are included in Table 1. A shallow groundwater
potentiometric map, along with estimated water table elevations, is shown on Figure 7. Based on
the June 2019 groundwater gauging event, the groundwater flow direction is generally to the
northwest, which is consistent with prior data.

Free product (0.03 ft) was detected in source area monitoring well MW-6. Free product was not
detected in additional monitoring or recovery wells during the June 19, 2019 gauging event. The
estimated and inferred extent of the current free product plume, considering recovery well data
and other relatively recent free product measurements, is shown on Figure 8. The product plume
for June 7, 2004 measured prior to the initial AFVR event is also shown on Figure 8 for
comparison purposes.

5.2 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,
only select monitoring wells MW-3, MW-14, MW-19, MW-21, MW-25 through MW-27, and
MW-29 were sampled on June 19, 2019.

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, and MW-25 (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 1,900 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 GCLs in the
wells sampled during the June 2019 sampling event.

Isoconcentration maps of BTEX, benzene, xylenes and MTBE in shallow monitoring wells are
included as Figures 9 through 12, 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 laboratory sheets are in Appendix
C. Select historical groundwater sampling results obtained by H&H and others are also provided
in Table 2 for comparison.

To further evaluate groundwater conditions at the site, H&H collected dissolved oxygen (DO)
and other geochemical parameters in each monitoring well (Table 4). 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 2019 groundwater sampling event, DO in the shallow monitoring wells
ranged from 0.12 mg/l (MW-5) to 5.84 mg/l (MW-28). 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
measured during the June 2019 sampling event is provided in Table 4.

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5.3 Groundwater Concentration Trends
Gasoline constituent concentrations outside the source area have decreased significantly over
time (Table 2). For example, monitoring well MW-21 continues to show a decrease in benzene
(from a high of 8,000 µg/l in 2007 to 8.2 µg/l in June 2019).

Benzene concentrations in near source area monitoring well MW-14 decreased from 120 µg/l in
December 2018 to 10 µg/l in June 2019. Benzene impacts also decreased in monitoring well
MW-25 (80 µg/l to 66 µg/l). Benzene impacts increased slightly in monitoring well MW-3
(1,600 µg/l to 1,900 µg/l) and in monitoring well MW-21 (2.5 µg/l to 8.2 µg/l). Benzene was not
detected in monitoring wells MW-19, MW-26, MW-27 and MW-29 during the June 2019
sampling event. In general, petroleum-related VOC concentrations have decreased significantly
since 2007.

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6.0 Remediation System Operation
6.1 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 13). 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 6).

During the period, the SVE system ran without issue. The system was manually shut down on
the afternoon of June 17, 2019 following the monthly O&M visit prior to semi-annual
groundwater sampling scheduled for the same week. During the period, the air compressor ran
without issue until it was also manually shutdown on June 17, 2019 prior to the semi-annual
groundwater sampling event. Following groundwater sampling, the SVE blower and
IWS/product recovery pump compressor were restarted on June 19, 2019 and are currently
operating as designed.

IWS is being performed on select wells in the eastern and western remediation fields. The
compressor is capable of producing sufficient airflow for approximately three to four IWS wells
at a time in addition to operating the product recovery pump. IWS is currently being performed
in RW-2, RW-5, and RW-12 (Figure 13). 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 6, 7
and 8).

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. An O&M log sheet
is completed during each site visit and kept in a bound folder. Recent remediation system
operational logs are provided in Appendix D. No free product has been detected in monitoring
wells MW-15 or MW-16 to date.

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Off-gas samples are collected from the SVE exhaust on a semi-annual basis for laboratory
analysis using EPA Method EPA-18 to determine estimated off-gas removal rates (Tables 7 and
8). Using the air sample data collected on April 16, 2019 as an average value for the period,
<150 lbs of Total Recoverable Petroleum Hydrocarbons (TRPH) were removed during the 193
days of operation from December 6, 2019 to June 17, 2019 (Table 10). PID readings are
collected on a monthly basis during system O&M events. During the April 16, 2019 site visit,
PID off-gas readings (21.9 ppm) were the lowest recorded during the 6-month period which may
account for off-gas sample analysis results (individual BTEX compounds and total TRPH) less
than the method reporting limits. Since the start of remediation, an estimated 6,554.2 lbs
(approximately 1,060 gallons of equivalent as gasoline) of petroleum have been removed not
including TRPH removed during the current period. Off-gas laboratory analytical data are
provided in Appendix E. Please note that the units of ppmv in the laboratory report were
converted to mg/m3 for calculations, and TRPH was standardized to benzene by the laboratory to
lower the method reporting limit for TRPH.

6.2 Free Product Recovery System Operation and Progress
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 14). 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 RW-2, RW-5 and RW-12 using a separate QED C-100 controller.

16
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Monitoring Report.doc
Since start-up of the product recovery pump on August 31, 2012, approximately 43.4 gallons of
free product have been recovered from MW-6 (Table 11). The recovery pump was removed
from MW-6 during an earlier reporting period due to a faulty bladder and it was rebuilt by the
manufacturer (QED Environmental Systems). The pump was reinstalled by H&H during June
2018, the final O&M event of the reporting period.

During the June 2019 gauging event, free product was present in MW-6 (0.03'). Comparing June
2019 product thickness to June 2004 measurements recorded prior to the initial aggressive fluid
vapor recovery (AFVR) event indicates product thickness and impacted area have been reduced
significantly (Figure 8).

The pump in MW-6 is pulled periodically to confirm it is set correctly and there are no
mechanical issues. During the current period, the pumping system ran continuously without an
unplanned shutdown. On October 23, 2018, A&D Environmental Services removed the existing
55-gallon steel drum and its contents from the site, and H&H installed a replacement product
recovery tank during the same visit which is currently in use. The product recovery system
operated without issue during the period until it was manually shut down on June 17, 2019 prior
to the semi-annual groundwater sampling event scheduled the following week. Following
groundwater sampling on June 19, 2019, the recovery pump was restarted and is currently
operating as designed.

17
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Monitoring Report.doc
7.0 Monitoring and Reporting
To verify that the SVE, IWS and product recovery pump are effectively remediating free product
and to monitor its effects on groundwater impacts, the following monitoring program is being
conducted:

• Perform remediation system inspections and maintenance monthly (or as required). This
includes recording vacuum readings, off-gas PID readings, free product recovered and
monitoring well product thickness.

• Monthly DEQ required gauging of MW-15 and MW-16 for the presence of free product.

• Semi-annual analysis of SVE off-gas for VOCs (including benzene, ethylbenzene,
toluene, xylenes, MTBE, and TRPH) by EPA Method 18 to estimate mass removal.

• Semi-annual groundwater sampling from select site monitoring wells for analysis of
VOCs by EPA Method 6200B.

• Preparation of semi-annual monitoring reports containing the above information.

18
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Monitoring Report.doc
8.0 Conclusions and Certification
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 2019 groundwater sampling event, petroleum-related impacts were detected
above groundwater standards in monitoring wells MW-3, MW-14, MW-21, and MW-25. 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 1,900 µg/l in June 2019.
Overall, petroleum VOC concentrations have decreased since 2007. June 2019 sampling results
indicate the groundwater plume is not migrating and is located within the NCDOT property
boundaries.

Although April 2019 laboratory SVE off-gas analysis results were below the method detection
limits, monthly PID monitoring of the blower off-gas verify TRPH continued to be removed by
the combination SVE/IWS remediation system over the past 193 days of operation. In addition,
due to the recovery of approximately 43 gallons of free product since 2012 utilizing the recovery
pump installed in MW-6, the decrease in both the number of monitor and recovery wells
containing free product, and the 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 2019, and a Monitoring Report will be prepared in January 2020.

Table 1 (Page 1 of 2)Summary of Monitoring Well Construction and Groundwater Elevation Data
NCDOTNewton, North Carolina
H&H Job No. DOT- 465
Well Well Well Screen Well TOC Well 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
Location Location Diameter Interval Elevation Depth 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
Longitude Latitude (in)(ft)(ft)(ft)(ft)(ft)(ft)(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 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 29.23 NP 0.00 67.85
MW-1 -81.21076310570 35.61721782340 2 25-40 96.92 40 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 29.1 NP 0.00 67.82
MW-2 -81.21072021150 35.61706901860 2 21-36 96.92 36 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 28.84 NP 0.00 68.08
MW-3 -81.21088677410 35.61702938790 2 20-35 94.42 35 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 26.67 NP 0.00 67.75
MW-4 -81.21121228270 35.61732341080 2 15-35 90.90 35
MW-5 -81.21047129940 35.61743950260 2 20-35 99.61 35 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 32.00 NP 0.00 67.61
MW-6 -81.21038825770 35.61706801260 2 20-35 100.61 35 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 Pump Installed 32.21 31.63 0.58 Pump Installed
MW-7 Abandoned Abandoned 2 25-40 101.03 40 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
MW-8 Abandoned Abandoned 2 20-53 99.66 35 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
MW-9 -81.21070885200 35.61682614930 2 18-33 96.36 33 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 28.10 NP 0.00 68.26
MW-10 Destroyed Destroyed 2 10-25 92.58 25
MW-11 -81.21051339580 35.61710561830 2 22-37 99.95 37 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 31.18 NP 0.00 68.77
MW-12 -81.21058696500 35.61701761180 2 22-37 99.87 37 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 31.29 NP 0.00 68.58
MW-13 -81.21043001990 35.61716676950 2 22-37 100.04 37 31.72 31.69 0.03 68.34 32.48 NP 0.00 67.56 32.56 NP 0.00 67.48 31.06 NP 0.00 68.98 31.37 NP 0.00 68.67
MW-14 -81.21041366950 35.61731061590 2 17-37 99.21 37 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 31.15 NP 0.00 68.06
MW-15 -81.21027544610 35.61721699550 2 17-37 99.68 37 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 31.27 NP 0.00 68.41
MW-16 -81.21022331910 35.61708636380 2 17-37 99.65 37 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 31.09 NP 0.00 68.56
MW-17 -81.21028146010 35.61696793650 2 17-37 99.59 37 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 30.81 NP 0.00 68.78
MW-18 -81.21042230210 35.61688225590 2 17-37 99.47 37 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 30.91 NP 0.00 68.56
MW-19 -81.21063605930 35.61725573740 2 17-37 97.85 37 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 30.01 NP 0.00 67.84
MW-20 Abandoned Abandoned 2 17-37 95.75 37 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
MW-21 -81.21070899330 35.61706641180 2 17-37 97.22 37 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 29.19 NP 0.00 68.03
MW-22 -81.21065152570 35.61692684610 2 17-37 97.48 37 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 29.38 NP 0.00 68.10
MW-23 Abandoned Abandoned 2 17-37 98.62 37 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
MW-24 Abandoned Abandoned 2 17-37 96.84 37 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
MW-25 -81.21083297090 35.61688067220 2 15-35 94.53 35 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 26.60 NP 0.00 67.93
MW-26 -81.21103011030 35.61717123710 2 15-35 92.44 35 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 25.14 NP 0.00 67.30
MW-27 -81.21105345100 35.61702529470 2 15-30 94.64 30 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 27.20 NP 0.00 67.44
MW-28 -81.21104291220 35.61684941500 2 17-32 94.93 32 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 27.23 NP 0.00 67.70
MW-29 -81.21083877460 35.61674505950 2 12-32 94.71 32 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 26.70 NP 0.00 68.01
MW-30 Abandoned Abandoned 2 20-35 95.65 35 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
MW-31 Abandoned Abandoned 2 17-32 92.73 32 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
MW-32 Abandoned Abandoned 2 NA NS 32.35 24.28 NP 0.00 NA 24.23 NP 0.00 NA 24.06 NP 0.00 NA 22.73 NP 0.00 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
* =Top of casing reference elevation changed for 12/14 event and thereafter for MW-6, MW-11, MW-12 and MW-13
**= Water table elevation is corrected for product assuming it is gasoline with a specific gravity of 0.72***= Water table elevation not calculated
6/18/2015 12/15/2015 6/14/2016 12/2/2016
Monitor Well ID
UNABLE TO LOCATE
12/16/2014
Abandoned (July 2016)
UNABLE TO LOCATE UNABLE TO LOCATE UNABLE TO LOCATE UNABLE TO LOCATE
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
DESTROYED DESTROYED DESTROYED DESTROYED DESTROYED
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T1 MW Summary (Current)Date: 8/27/2019
Table 1 (Page 1 of 2)Hart & Hickman, PC
Table 1 (Page 2 of 2)Summary of Monitoring Well Construction and Groundwater Elevation Data
NCDOTNewton, North Carolina
H&H Job No. DOT- 465
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 20-35 100.61 35
MW-7 Abandoned Abandoned 2 25-40 101.03 40
MW-8 Abandoned Abandoned 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 99.95 37
MW-12 -81.21058696500 35.61701761180 2 22-37 99.87 37
MW-13 -81.21043001990 35.61716676950 2 22-37 100.04 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 Abandoned Abandoned 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 Abandoned Abandoned 2 17-37 98.62 37
MW-24 Abandoned Abandoned 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 Abandoned Abandoned 2 20-35 95.65 35
MW-31 Abandoned Abandoned 2 17-32 92.73 32
MW-32 Abandoned Abandoned 2 NA NS 32.35
Monitor Well ID
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
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
29.94 NP 0.00 67.14 30.13 NP 0.00 66.95 29.6 NP 0.00 67.48 27.15 NP 0.00 69.93 24.40 NP 0.00 72.68
30.01 NP 0.00 66.91 27.37 NP 0.00 69.55 24.45 NP 0.00 72.47
29.60 NP 0.00 67.32 29.73 NP 0.00 67.19 29.34 NP 0.00 67.58 27.12 NP 0.00 69.80 24.15 NP 0.00 72.77
27.38 NP 0.00 67.04 27.57 NP 0.00 66.85 27.11 NP 0.00 67.31 24.98 NP 0.00 69.44 22.05 NP 0.00 72.37
22.22 NP 0.00 68.68 19.35 NP 0.00 71.55
32.88 NP 0.00 66.73 33.02 NP 0.00 66.59 32.55 NP 0.00 67.06 30.36 NP 0.00 69.25 27.45 NP 0.00 72.16
33.40 32.89 0.51 Pump Installed 32.69 31.22 1.47 68.98 31.68 31.08 0.60 69.36 29.40 29.15 0.25 71.39 25.03 25.00 0.03 75.60
28.93 NP 0.00 67.43 29.10 NP 0.00 67.26 28.72 NP 0.00 67.64 26.51 NP 0.00 69.85 23.50 NP 0.00 72.86
32.31 NP 0.00 67.64 32.25 NP 0.00 67.70 31.15 NP 0.00 68.80 29.13 NP 0.00 70.82 26.96 NP 0.00 72.99
32.39 NP 0.00 67.48 32.33 NP 0.00 67.54 31.03 NP 0.00 68.84 29.02 NP 0.00 70.85 26.93 NP 0.00 72.94
32.39 32.34 0.05 67.69 32.34 NP 0.00 67.70 31.08 NP 0.00 68.96 29.35 NP 0.00 70.69 26.95 NP 0.00 73.09
31.93 NP 0.00 67.28 32.08 NP 0.00 67.13 31.62 NP 0.00 67.59 29.41 NP 0.00 69.80 26.23 NP 0.00 72.98
32.20 NP 0.00 67.48 32.72 NP 0.00 66.96 31.82 NP 0.00 67.86 29.62 NP 0.00 70.06 26.45 NP 0.00 73.23
31.94 NP 0.00 67.71 31.97 NP 0.00 67.68 31.56 NP 0.00 68.09 29.35 NP 0.00 70.30 26.22 NP 0.00 73.43
31.76 NP 0.00 67.83 31.40 NP 0.00 68.19
31.73 NP 0.00 67.74 31.80 NP 0.00 67.67 31.40 NP 0.00 68.07 29.21 NP 0.00 70.26 26.13 NP 0.00 73.34
30.92 NP 0.00 66.93 30.91 NP 0.00 66.94 30.46 NP 0.00 67.39 28.23 NP 0.00 69.62 25.22 NP 0.00 72.63
29.96 NP 0.00 67.26 30.17 NP 0.00 67.05 29.74 NP 0.00 67.48 27.53 NP 0.00 69.69 24.52 NP 0.00 72.70
30.41 NP 0.00 67.07 30.40 NP 0.00 67.08 30.00 NP 0.00 67.48 27.87 NP 0.00 69.61 24.82 NP 0.00 72.66
27.33 NP 0.00 67.20 27.55 NP 0.00 66.98 27.11 NP 0.00 67.42 24.95 NP 0.00 69.58 21.95 NP 0.00 72.58
25.67 NP 0.00 66.77 25.94 NP 0.00 66.50 25.44 NP 0.00 67.00 23.36 NP 0.00 69.08 20.48 NP 0.00 71.96
27.69 NP 0.00 66.95 27.99 NP 0.00 66.65 27.44 NP 0.00 67.20 25.36 NP 0.00 69.28 22.51 NP 0.00 72.13
27.81 NP 0.00 67.12 28.12 NP 0.00 66.81 27.54 NP 0.00 67.39 25.46 NP 0.00 69.47 22.54 NP 0.00 72.39
27.55 NP 0.00 67.16 27.66 NP 0.00 67.05 27.23 NP 0.00 67.48 25.00 NP 0.00 69.71 21.97 NP 0.00 72.74
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
* =Top of casing reference elevation changed for 12/14 event and thereafter for MW-6, MW-11, MW-12 and MW-13
**= Water table elevation is corrected for product assuming it is gasoline with a specific gravity of 0.72***= Water table elevation not calculated
Abandoned (July 2016)
12/12/2018
Abandoned (July 2016)
Abandoned (July 2016)
DESTROYED
Not Measured
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
6/6/2018
UNABLE TO LOCATE
Abandoned (July 2016)
Abandoned (July 2016)
DESTROYED
UNABLE TO LOCATE
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
12/12/2017
UNABLE TO LOCATE
Abandoned (July 2016)
Abandoned (July 2016)
DESTROYED
Not Measured
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
DESTROYED
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
UNABLE TO LOCATE
6/22/2017
UNABLE TO LOCATE
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
6/19/2019
Abandoned (July 2016)
Abandoned (July 2016)
DESTROYED
Not Measured
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T1 MW Summary (Current)Date: 8/27/2019
Table 1 (Page 2 of 2)Hart & Hickman, PC
Table 2 (Page 1 of 7)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North CarolinaH&H Job No. DOT- 465
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 12/2/16 6/22/17 12/12/17 6/6/18 12/12/18 6/19/19
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)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)
VOCs
Acetone 6,000 6,000,000 NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NF NF FP NF NF NA NA NA NA NA NA NA NA NA 614 35 490 710 690
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 1,230 868 948 130 1,400 1,600 1,900
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 <2.5 NA <0.5 16 13 14
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 <2.5 NA 1.4 18 8.2 9.5
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 <2.5 NA 1.1 <5.0 <5.0 <5.0
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 <2.5 <5.0 <0.5 <5.0 <5.0 <5.0
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 <2.5 <5.0 <0.5 <5.0 <5.0 <5.0
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 4.4 6.5 1.6 6.8 7.6 8.2
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 <2.5 <5.0 <0.5 <5.0 <5.0 <5.0
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 21.8 29.2 7.4 37 38 34
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 596 650 584 830 642 751 348 477 539 616 409 379 67 430 470 680
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 31.5 NA 6.6 34 39 39
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 NA <5.0 1.0 <5.0 5.2 5.6
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 <10.0 21.6 <2.0 <20 <20 <20
Methyl Ethyl Ketone 4,000 4,000,000 NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NF NF FP NF NF NA NA NA NA NA NA NA NA NA 356 29 240 310 270
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 <2.5 <5.0 <1.0 <10 <10 <10
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 207 160 208 270 263 273 144 186 181 221 196 178 18 190 310 220
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 80.5 NA 14 84 99 110
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 <2.5 <5.0 <0.5 <5.0 <5.0 <5.0
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 1,020 622 508 59 370 580 740
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 <2.5 <5.0 <0.5 <5.0 <5.0 <5.0
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 <10.0 <5.0 <0.5 <5.0 <5.0 <5.0
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 1,020 923 995 650 801 693 789 667 NA 70 590 680 990
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 53.8 NA 9.8 65 79 72
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 2,542 2,340 300 2,300 2,500 3,100
BTEX, Total NS NS ND ND ND 3.09 ND ND ND ND ND ND ND ND ND ND ND ND ND ND 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 4,441 4,175 556 4,500 5,150 6,420
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 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 NA NA NA NA NA NA
Notes:
NC 2L GW Standard
NC GCL MW-2MW-1D MW-1 MW-3
9. 2-Hexone (64.9 µg/l), and MIBK (56.4 µg/l) found in MW-3 during 6/22/17 sampling event (not in table).
7. Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.
8. All other samples collected by H&H and submitted to PACE Analytical for analysis.
1. Only compounds detected in at least one sample shown above
2. Bold concentration exceeds 2L ground water standards or Interim Maximum Allowable Concentrations (IMACs); Underlined concentration exceeds GCL
3. VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
4. 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
5. CNL = Could not locate well during sampling event
6. NF=Data not found
10. MIBK was found in MW-3 (66 µg/l), MW-21 (12 µg/l), and MW-25 (2.7 µg/l) during 6/6/18 sampling event (not in table).
11. 2-Hexone was found in MW-3 (66 µg/l), and MW-21 (4.8 µg/l) during 6/6/18 sampling event (not in table).
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T2 Historical GW Data Date: 8/27/2019
Table 2 (Page 1 of 7)
Hart & Hickman, PC
Table 2 (Page 2 of 7)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North CarolinaH&H Job No. DOT- 465
Sample ID
Sample Date
Units (µg/L)(µg/L)
VOCs
Acetone 6,000 6,000,000
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 Ethyl Ketone 4,000 4,000,000
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
8/8/07 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 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
(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)(µg/L)(µg/L)
NF NF CNL NF NF NA NA NA NA NA NA NA FP FP FP FP FP NF NF NA NF NF NA NF NF NA NA NA NA NA NA NF FP FP FP
<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 <0.5 304 73 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 <0.5 <0.5 5.0 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 2.1 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 0.98 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 5.9 14 1.5 1.4 0.53 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 3.4 1.4 <0.5 <0.5 0.53 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 27.9 16 2.2 3.9 5.5 3.4 4.4 2.8 <0.5 FP FP FP
<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 17 9.2 <0.5 <0.5 0.70 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 4.7 1.8 <0.5 <0.5 0.92 <0.5 0.53 <0.5 <0.5 FP FP FP
<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 <0.5 <0.5 NA NA NA NA NA NA <0.5 FP FP FP
<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 <2.0 <2.0 <2.0 <0.5 <2.0 <2.0 <2.0 <2.0 <2.0 FP FP FP
NF NF CNL NF NF NA NA NA NA NA NA NA FP FP FP FP FP NF NF NA NF NF NA NF NF NA NA NA NA NA NA NF FP FP FP
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 11.2 7.4 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 FP FP FP
<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 6.1 3.9 <0.5 <0.5 0.60 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 10.8 3.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <0.5 FP FP FP
<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 38.5 11 <0.5 <0.5 3.2 <0.5 <0.5 <0.5 <0.5 FP FP FP
<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 7.6 2.1 <0.5 7.2 25.2 8.8 12.3 6.4 <0.5 FP FP FP
<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 <1.0 107 35 ND 3.2 4.3 2.6 2.2 0.79 <1.0 FP FP FP
ND ND CNL ND ND ND ND ND ND ND ND ND FP FP FP FP FP ND ND ND ND ND ND 439 120 ND 3.2 4.3 2.6 2.2 0.79 ND FP FP FP
<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 <5.0 <5.0 NA NA NA NA NA NA <5.0 FP FP 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 NA 1.8 J NA NA NA NA NA NA NA FP FP NA
Notes:
MW-8MW-7MW-4 MW-6MW-5 MW-9 MW-11
2. Bold concentration exceeds 2L ground water standards or Interim Maximum Allowable Concentrations (IMACs); Underlined concentration exceeds GCL
3. VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
1. Only compounds detected in at least one sample shown above
4. 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
5. CNL = Could not locate well during sampling event
7. Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.
8. All other samples collected by H&H and submitted to PACE Analytical for analysis.
9. 2-Hexone (64.9 µg/l), and MIBK (56.4 µg/l) found in MW-3 during 6/22/17 sampling event (not in table).
10. MIBK was found in MW-3 (66 µg/l), MW-21 (12 µg/l), and MW-25 (2.7 µg/l) during 6/6/18 sampling event (not in table).
11. 2-Hexone was found in MW-3 (66 µg/l), and MW-21 (4.8 µg/l) during 6/6/18 sampling event (not in table).
6. NF=Data not found
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T2 Historical GW Data Date: 8/27/2019
Table 2 (Page 2 of 7)
Hart & Hickman, PC
Table 2 (Page 3 of 7)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North CarolinaH&H Job No. DOT- 465
Sample ID
Sample Date
Units (µg/L)(µg/L)
VOCs
Acetone 6,000 6,000,000
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 Ethyl Ketone 4,000 4,000,000
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 12/10/12 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 12/2/16 6/22/17 12/12/17 6/6/18 12/12/18 6/19/19 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
(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)
FP FP FP FP FP FP NF NF NA NA NA NA NA NA NA NA NA <50 <10 <10 <10 <10 NF NF NA NA NA NA NA NA NA
FP FP FP FP FP FP 3,990 2,600 658 430 563 486 505 546 409 143 235 347 <0.5 320 120 10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <1.2 NA <0.5 3.0 0.80 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <1.2 NA <0.5 3.3 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <1.2 NA <0.5 0.78 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <1.2 <2.0 <0.5 <0.50 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <1.2 <2.0 <0.5 <0.50 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 19.6 25.6 <0.5 19 10 4.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <1.2 <2.0 <0.5 2.3 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
FP FP FP FP FP FP 331 150 62.6 46.9 107 108 160 131 89.4 101 53.8 67.3 <0.5 55 29 14 4.0 1.8 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
FP FP FP FP FP FP 543 420 148 82.7 160 146 213 226 151 57.6 73.7 180 <0.5 260 37 0.75 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
FP FP FP FP FP FP 24.3 14 8 4.8 7.3 8.6 12.3 14.7 10.3 5.0 5.1 NA <0.5 15 4.0 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
FP FP FP FP FP FP <5 <5.0 NA NA NA NA NA NA NA NA NA <2.0 <0.5 3.3 1.4 <0.50 <0.5 <0.5 NA NA NA NA NA NA NA
FP FP FP FP FP FP <20 <20 20 <10 <8.0 <10.0 <8.0 18.1 <10.0 <2.0 <5.0 6.6 <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
FP FP FP FP FP FP NF NF NA NA NA NA NA NA NA NA NA 17.3 <5.0 <5.0 <5.0 <5.0 NF NF NA NA NA NA NA NA NA
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 <1.2 <2.0 <1.0 <1.0 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
FP FP FP FP FP FP 147 100 103 46.9 80.8 68.3 108 125 96.7 69.7 71.1 163 <1.0 94 33 2.9 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
FP FP FP FP FP FP 56 44 19 10.3 18.7 20.6 30.3 36.2 25.8 9.8 12.0 NA <0.5 39 6.0 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <1.2 <2.0 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
FP FP FP FP FP FP 125 12 15 7.2 8.7 19.1 15.6 11.4 7.3 2.0 3.6 13.1 <0.5 11 1.2 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <1.2 <2.0 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
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 <5.0 <2.0 <0.5 <0.5 <0.5 <0.50 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
FP FP FP FP FP FP 408 230 119 45.8 48.1 47.7 77.5 95.2 54.9 5.3 9.3 NA <0.5 <0.5 <0.5 <0.50 0.71 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
FP FP FP FP FP FP 134 100 45.1 18.5 69.7 30.8 58.6 77.2 60.8 8.0 11.3 NA <0.5 <0.5 0.66 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
FP FP FP FP FP FP 2,199 1,370 469 227 270 205 419 352.3 249.8 17.9 28.2 86.4 <1.5 3.4 2.0 1.6 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0
FP FP FP FP FP FP 6,857 4,402 1,290 747 1,002 856 1,153 1,135.7 817.1 220.5 340.5 626.5 ND 594.4 160.2 12.4 ND ND ND ND ND ND ND ND ND
FP FP NA FP FP NA 7.1 <5.0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA 11.8 <5.0 NA NA NA NA NA NA NA
FP FP NA NA FP NA NA <5.0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <5.0 NA NA NA NA NA NA NA
Notes:
7. Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.
8. All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-12 MW-13 MW-15MW-14
11. 2-Hexone was found in MW-3 (66 µg/l), and MW-21 (4.8 µg/l) during 6/6/18 sampling event (not in table).
1. Only compounds detected in at least one sample shown above
2. Bold concentration exceeds 2L ground water standards or Interim Maximum Allowable Concentrations (IMACs); Underlined concentration exceeds GCL
3. VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
4. 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
5. CNL = Could not locate well during sampling event
9. 2-Hexone (64.9 µg/l), and MIBK (56.4 µg/l) found in MW-3 during 6/22/17 sampling event (not in table).
10. MIBK was found in MW-3 (66 µg/l), MW-21 (12 µg/l), and MW-25 (2.7 µg/l) during 6/6/18 sampling event (not in table).
6. NF=Data not found
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T2 Historical GW Data Date: 8/27/2019
Table 2 (Page 3 of 7)
Hart & Hickman, PC
Table 2 (Page 4 of 7)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North CarolinaH&H Job No. DOT- 465
Sample ID
Sample Date
Units (µg/L)(µg/L)
VOCs
Acetone 6,000 6,000,000
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 Ethyl Ketone 4,000 4,000,000
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 8/7/07 2/19/08 12/12/12 6/7/13 12/19/13 6/4/14 12/17/14 6/19/15 12/15/15 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 12/2/16 6/22/17 12/12/17 6/6/18 12/12/18 6/19/19
(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)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)
NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NA NA <25 <10 <10 <10 <10
<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.7 <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 1.0 <1.0 <0.5 <0.5 <0.5 <0.50
<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 <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 NA <0.5 <0.5 <0.5 <0.50
<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 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 NA <0.5 <0.5 <0.5 <0.50
<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 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 NA <0.5 <0.5 <0.5 <0.50
<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 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 <0.5 <1.0 <0.5 <0.5 <0.5 <0.50
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <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 <0.5 <0.5 <0.5 <0.50
<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 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 1.0 <1.0 <0.5 <0.5 <0.5 <0.50
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <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 <0.5 <0.5 <0.5 <0.50
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 0.83 179 160 198 165 146 148 112 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 <1.0 <0.5 <0.5 <0.5 <0.50
<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 1.4 <0.5 <0.5 <0.5 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 <1.0 <0.5 <0.5 <0.5 <0.50
<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 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 NA <0.5 <0.5 <0.5 <0.50
<0.5 <0.5 NA NA NA NA NA NA NA <0.5 <0.5 NA NA NA NA NA NA NA <0.5 0.83 NA NA NA NA NA <0.5 <0.5 <0.5 <0.5 NA NA NA NA NA NA NA NA NA <1.0 <0.5 <0.5 <0.5 <0.50
<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 <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
NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NA NA <5.0 <5.0 <5.0 <1.0 <5.0
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 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 <1.0 <1.0 <1.0 <1.0 <1.0
<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 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 <1.0 <1.0 <1.0 <1.0
<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 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 NA <0.5 <0.5 <0.5 <0.50
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <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 <0.5 <0.5 <0.5 <0.50
<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 <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 <1.0 <0.5 <0.5 <0.5 <0.50
<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 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <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 <0.5 <0.5 <0.5 <0.50
<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 <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 <1.0 <0.5 <0.5 <0.5 <0.50
<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 10.4 4 <0.5 <0.5 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 NA <0.5 <0.5 <0.5 <0.50
<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 2.9 3.1 <0.5 <0.5 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 NA <0.5 <0.5 <0.5 <0.50
<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 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 <1.5 <1.5 <1.5 <1.5
ND ND ND ND ND ND ND ND ND ND ND ND ND ND 8.3 0.85 ND ND 17 11 ND ND ND ND ND ND ND ND 1.3 0.87 ND ND ND ND ND ND ND 1.0 ND ND ND ND ND
6.6 <5.0 NA NA NA NA NA NA NA 7.0 1.5 J NA NA NA NA NA NA NA 21.6 <5.0 NA NA NA NA NA NA NA 12.5 2.0 J NA NA NA NA NA NA NA 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 NA <5.0 NA NA NA NA NA NA NA NA 3.0 J NA NA NA NA NA NA NA NA NA NA NA NA NA NA
Notes:
7. Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.
8. All other samples collected by H&H and submitted to PACE Analytical for analysis.
MW-16
5. CNL = Could not locate well during sampling event
6. NF=Data not found
MW-17 MW-18 MW-19
2. Bold concentration exceeds 2L ground water standards or Interim Maximum Allowable Concentrations (IMACs); Underlined concentration exceeds GCL
3. VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
1. Only compounds detected in at least one sample shown above
4. 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
9. 2-Hexone (64.9 µg/l), and MIBK (56.4 µg/l) found in MW-3 during 6/22/17 sampling event (not in table).
10. MIBK was found in MW-3 (66 µg/l), MW-21 (12 µg/l), and MW-25 (2.7 µg/l) during 6/6/18 sampling event (not in table).
11. 2-Hexone was found in MW-3 (66 µg/l), and MW-21 (4.8 µg/l) during 6/6/18 sampling event (not in table).
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T2 Historical GW Data Date: 8/27/2019
Table 2 (Page 4 of 7)
Hart & Hickman, PC
Table 2 (Page 5 of 7)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North CarolinaH&H Job No. DOT- 465
Sample ID
Sample Date
Units (µg/L)(µg/L)
VOCs
Acetone 6,000 6,000,000
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 Ethyl Ketone 4,000 4,000,000
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 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 12/2/16 6/22/17 12/12/17 6/6/18 12/12/18 6/19/19 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
(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)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)(µg/L)
NF NF NA NF NF NA NA NA NA NA NA NA NA NA <62.5 16 12 13 11 NF NF NA NA NA NA NA NA NA NF NF NA NF NF NA NF NF NA NA NA
<0.5 <0.5 <0.5 8,000 4,900 2,260 1,470 842 625 557 255 324 144 422 382 440 290 2.5 8.2 776 490 <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
<0.5 <0.5 <0.5 <5.0 81 <10 <5.0 <5.0 <2.5 <0.5 <1.2 <1.0 <0.5 <1.2 NA <0.5 2.9 <0.5 <0.50 <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
<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 2.0 NA 3.0 2.7 <0.5 <0.50 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
<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 <1.2 NA 1.6 0.60 <0.5 <0.50 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
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 <1.2 <2.5 <0.5 <0.50 <0.5 <0.50 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
<0.5 <0.5 <0.5 13.3 18 <10 <5.0 <5.0 <2.5 <0.5 <1.2 <1.0 <0.5 <1.2 <2.5 <0.5 <0.50 <0.5 <0.50 <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 <5.0 <2.5 <2.0 <2.5
<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 9.5 9.7 9.1 6.9 3.4 2.7 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
<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 <1.2 <2.5 0.55 <0.50 <0.5 <0.50 <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 <5.0 <2.5 <2.0 <2.5
<0.5 <0.5 <0.5 436 340 148 129 110 95.1 93.8 58.6 53.2 42.7 37.2 33.5 33 27 9.6 8.8 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
<0.5 <0.5 <0.5 527 830 352 278 129 120 145 67.6 66.9 26.1 87.5 62.4 81 61 0.78 2.6 233 130 <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
<0.5 <0.5 <0.5 31 31 17.5 16.6 8.3 8.0 11.1 5.8 5.9 2.3 8.0 NA 8.2 5.5 <0.5 <0.50 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
<0.5 <0.5 NA <5.0 <5.0 NA NA NA NA NA NA NA NA NA <2.5 2.8 2.0 <0.5 <0.50 <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
<2.0 <2.0 <2.0 <20 <20 67 <20 <20 19.7 <2.0 <5.0 <4.0 <2.0 <5.0 8.1 <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 <10 13.1 <10
NF NF NA NF NF NA NA NA NA NA NA NA NA NA 14.7 <5.0 <5.0 <5.0 <5.0 NF NF NA NA NA NA NA NA NA NF NF NA NF NF NA NF NF NA NA NA
<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 <1.2 <2.5 <1.0 <1.0 <1.0 <1.0 <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
<2.0 <1.0 <2.0 356 290 180 121 55.3 40.1 41.6 19.3 20.2 10.0 24.5 18.7 26 18 <1.0 2.0 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
<0.5 <0.5 <0.5 69.4 89 38 30.2 20.2 16.6 26.6 14.6 12.8 5.4 21.8 NA 21 15 <0.5 0.62 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
<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 <1.2 <2.5 <0.5 <0.50 <0.5 <0.50 <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 <5.0 <2.5 <2.0 <2.5
<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 1.6 <2.5 1.1 0.6 <0.5 <0.50 254 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
<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 <1.2 <2.5 <0.5 <0.5 <0.5 <0.50 <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 <5.0 <2.5 <2.0 <2.5
<2.0 <2.0 <2.0 <10 <10 <10 <10 <10 <10 <2.0 <5.0 <4.0 <2.0 <5.0 <2.5 <0.5 <0.5 <0.5 <0.50 <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
<0.5 <0.5 <0.5 704 690 478 437 206 168 190 116 131 58.0 157 NA 190 68 2.7 7.3 611 <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
<0.5 <0.5 <0.5 103 130 66.5 53.5 25.1 20.1 29.2 13.5 17.8 8.3 23.0 NA 37.0 20 0.72 1.6 157 110 <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
<1.0 <1.0 <1.0 2,970 4,600 2,491 2,099 916 692 653 321 298 146.6 251 195 240 130 3.8 11 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
ND ND ND 13,657 11,330 5,175 3,870 1,887 1,453 1,366 643.6 691 318 762.1 639.4 762.1 481.6 7.08 21.8 2,991 972 ND ND ND ND ND ND ND ND 2.1 ND ND ND ND 4,411 3,230 1,289 1,087 979
23.2 <5.0 NA 7.1 <5.0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA 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 <5.0 NA NA <5.0 NA NA NA NA NA NA 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
Notes:
MW-24MW-23
1. Only compounds detected in at least one sample shown above
2. Bold concentration exceeds 2L ground water standards or Interim Maximum Allowable Concentrations (IMACs); Underlined concentration exceeds GCL
3. VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
4. 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
5. CNL = Could not locate well during sampling event
6. NF=Data not found
MW-20 MW-25MW-22MW-21
7. Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.
8. All other samples collected by H&H and submitted to PACE Analytical for analysis.
9. 2-Hexone (64.9 µg/l), and MIBK (56.4 µg/l) found in MW-3 during 6/22/17 sampling event (not in table).
10. MIBK was found in MW-3 (66 µg/l), MW-21 (12 µg/l), and MW-25 (2.7 µg/l) during 6/6/18 sampling event (not in table).
11. 2-Hexone was found in MW-3 (66 µg/l), and MW-21 (4.8 µg/l) during 6/6/18 sampling event (not in table).
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T2 Historical GW Data Date: 8/27/2019
Table 2 (Page 5 of 7)
Hart & Hickman, PC
Table 2 (Page 6 of 7)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North CarolinaH&H Job No. DOT- 465
Sample ID
Sample Date
Units (µg/L)(µg/L)
VOCs
Acetone 6,000 6,000,000
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 Ethyl Ketone 4,000 4,000,000
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
6/4/14 12/17/14 6/19/15 12/16/15 6/14/16 12/2/16 6/22/17 12/12/17 6/6/18 12/12/18 6/19/19 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 12/2/16 6/22/17 12/12/17 6/6/18 12/12/18 6/19/19 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
(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)(µg/L)(µg/L)(µg/L)(µg/L)
NA NA NA NA NA NA <25.0 <10 <10 <10 <10 NF NF NA NA NA NA NA NA NA NA NA <25.0 <10 <10 <10 <10 NF NF NA NA NA NA NA NA NA NA
499 344 237 197 183 111 92.7 79 81 80 66 2.3 1.8 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.5 <2.5 <1.2 <1.0 <0.5 <0.5 NA <0.5 1.2 1.1 0.62 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.5 <2.5 <1.2 1.5 1.2 1.3 NA 1.6 2.0 0.92 0.75 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.5 <2.5 <1.2 <1.0 <0.5 <0.5 NA 1.4 0.63 0.63 0.57 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.5 <2.5 <1.2 <1.0 0.88 0.79 <1.0 <0.5 0.81 <0.5 0.98 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.69 <0.5 0.57 <1.0 <0.5 0.83 <0.5 0.79 1.5 1.2 <0.5 0.93 0.93 <0.5 <0.5 <0.5 <0.5 <0.5
<2.5 <2.5 <1.2 <1.0 <0.5 <0.5 <1.0 <0.5 <0.50 <0.5 <0.50 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
4.2 4.1 3.7 2.9 4.0 3.0 3.6 3.8 4.2 4.6 4.7 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.5 <2.5 <1.2 <1.0 0.51 <0.5 <1.0 <0.5 <0.50 <0.5 <0.50 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
32.5 28.2 27.4 30 34.5 26.4 26.8 28.0 39 40 43 0.99 1.4 <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 0.83 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
92.9 103 85.2 52.2 32.0 48.6 52.1 54.0 27 17 14 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
11.3 11.4 10 6.4 4.3 5.6 NA 5.8 3.4 2.5 1.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA <0.5 <0.5 <0.5 <0.50 <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 <1.0 1.7 1.2 1.1 0.98 <0.5 <0.5 NA NA NA NA NA NA NA NA NA <1.0 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 NA NA NA NA NA NA NA NA
<10 <10 12.4 <4.0 <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 <2.0 <2.0 <2.0 <2.0 <2.0
NA NA NA NA NA NA <5.0 <5.0 <5.0 <5.0 <5.0 NF NF NA NA NA NA NA NA NA NA NA <5.0 <5.0 <5.0 <5.0 <5.0 NF NF NA NA NA NA NA NA NA NA
<2.5 <2.5 <1.2 <1.0 <0.5 <0.5 <1.0 <1.0 <1.0 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <1.0 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
61.2 81.4 65.4 44.8 24.0 39.0 41.3 50 22 11 8.4 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
25.2 26.2 21.3 13.2 8.7 13 NA 14 7.3 4.8 3.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.5 <2.5 <1.2 <1.0 <0.5 <0.5 <1.0 <0.5 <0.50 <0.5 <0.50 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
71.3 61.5 44.7 16.3 13.4 15.4 15 15 5.6 4.0 3.1 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.5 <2.5 <1.2 <1.0 <0.5 <0.5 <1.0 <0.5 <0.50 <0.5 <0.50 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<10 <10 <5.0 <4.0 <2.0 <2.0 <1.0 <0.5 <0.50 <0.5 <0.50 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 <0.5 <0.5 <0.5 <0.50 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
189 235 199 80 70.4 78.2 NA 97.0 38 50 83 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
59.7 75.3 73.5 32.8 27.7 35.1 NA 53 22 27 34 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
585 633 500 221.6 168.9 172.7 155.0 170 60 72 110 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.5 <1.5 <1.5 <1.5 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0
1,248 1,132 866.9 487.1 397.3 347.7 314.8 318 173.6 173 193.1 2.3 1.8 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND
NA NA NA NA NA NA NA NA NA NA NA 9.1 3.3 J NA NA NA NA NA NA NA NA NA NA NA NA NA NA <5.0 <5.0 NA NA NA NA NA NA NA NA
NA NA NA NA NA NA NA NA NA NA NA NA 7.7 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 3.7 J NA NA NA NA NA NA NA NA
Notes:
MW-27MW-25 (Cont.)
7. Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.
8. All other samples collected by H&H and submitted to PACE Analytical for analysis.
4. 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
5. CNL = Could not locate well during sampling event
6. NF=Data not found
MW-26
9. 2-Hexone (64.9 µg/l), and MIBK (56.4 µg/l) found in MW-3 during 6/22/17 sampling event (not in table).
10. MIBK was found in MW-3 (66 µg/l), MW-21 (12 µg/l), and MW-25 (2.7 µg/l) during 6/6/18 sampling event (not in table).
11. 2-Hexone was found in MW-3 (66 µg/l), and MW-21 (4.8 µg/l) during 6/6/18 sampling event (not in table).
1. Only compounds detected in at least one sample shown above
2. Bold concentration exceeds 2L ground water standards or Interim Maximum Allowable Concentrations (IMACs); Underlined concentration exceeds GCL
3. VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T2 Historical GW Data Date: 8/27/2019
Table 2 (Page 6 of 7)
Hart & Hickman, PC
Table 2 (Page 7 of 7)
Summary of Historical Groundwater Analytical Results
NCDOT
Newton, North CarolinaH&H Job No. DOT- 465
Sample ID
Sample Date
Units (µg/L)(µg/L)
VOCs
Acetone 6,000 6,000,000
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 Ethyl Ketone 4,000 4,000,000
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
12/2/16 6/22/17 12/12/17 6/6/18 12/12/18 6/19/19 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 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 12/2/16 6/22/17 12/12/17 6/6/18 12/12/18 6/19/19 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)(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)
NA <25 <10 <10 <10 <10 NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NA NA <25.0 <10 <10 <10 <10 NF NF NA NF NF NA NF NA
<0.5 <1.0 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 216 100 <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 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 NA <0.5 <0.5 <0.5 <0.50 <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 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 NA <0.5 <0.5 <0.5 <0.50 <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 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 NA <0.5 <0.5 <0.5 <0.50 <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 NA <0.5 <0.5 <0.5 <0.50 <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 <0.50 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 <1.0 <0.5 <0.5 <0.5 <0.50 <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 <0.50 <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 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.50 <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 <0.50 <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 0.56 <1.0 <0.5 <0.5 <0.5 <0.50 <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 <0.50 <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 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.50 <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 <0.50 <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 1.2 <1.0 <0.5 <0.5 0.58 <0.50 <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 <0.50 <0.5 <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 <1.0 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 NA <0.5 <0.5 <0.5 <0.50 <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 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
NA <1.0 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 NA NA NA NA NA NA NA <0.5 0.97 NA NA NA NA NA NA NA NA NA <1.0 <0.5 <0.5 <0.5 <0.50 <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 <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
NA <5.0 <5.0 <5.0 <5.0 <5.0 NF NF NA NA NA NA NA NA NA NF NF NA NA NA NA NA NA NA NA NA <5.0 <5.0 <5.0 <5.0 <5.0 NF NF NA NF NF NA NF NA
<0.5 <1.0 <1.0 <1.0 <1.0 <1.0 <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 <1.0 <1.0 <1.0 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.0 <1.0 <1.0 <1.0 <1.0 <1.0 <2.0 <1.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 33.5 26 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <1.0 2.2 <1.0 <1.0 <1.0 <2.0 <1.0 <2.0 <2.0 <1.0 <2.0 <1.0 <2.0
<0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 17.9 11 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA <0.5 <0.5 <0.5 <0.50 <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 <0.50 <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 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.50 <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 <0.50 <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 <1.0 <0.5 <0.5 <0.5 <0.50 <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 <0.50 <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 <0.5 <0.5 <1.0 <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<2.0 <1.0 <0.5 <0.5 <0.5 <0.50 <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 <1.0 <0.5 <0.5 <0.5 <0.50 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0
<0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 99.1 33 2.4 <0.5 7.6 <0.5 <0.5 <0.5 <0.5 2.9 1.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<0.5 NA <0.5 <0.5 <0.5 <0.50 <0.5 <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 2.7 NA <0.5 <0.5 0.74 <0.50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<1.0 <1.0 <1.5 <1.5 <1.5 <1.5 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 2.1 <1.0 <1.0 519 240 6 1.8 4.9 3.6 3.6 0.61 <1.0 0.90 <1.0 <1.0 <1.5 <1.5 <1.5 <1.5 <1.0 <1.0 <1.0 0.52 <1.0 <1.0 <1.0 <1.0
ND ND ND ND ND ND ND ND ND ND ND ND 2.1 ND ND 872 401 6 1.8 5.8 3.6 3.6 0.61 ND 0.90 ND ND ND ND ND ND ND ND ND 0.52 ND ND ND ND
NA NA NA NA NA NA 9.4 1.0 J NA NA NA NA NA NA NA <5.0 <5.0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA <5.0 1.1 J NA <5.0 <5.0 NA NA NA
NA NA NA NA NA NA NA 2.2 J NA NA NA NA NA NA NA NA <5.0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <5.0 NA NA 2.0 J NA NA NA
Notes:
MW-29
4. 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
5. CNL = Could not locate well during sampling event
MW-32MW-28
7. Samples collected in August 2007 and February 2008 were collected by NC DOT and submitted to PACE Analytical for analysis.
8. All other samples collected by H&H and submitted to PACE Analytical for analysis.
9. 2-Hexone (64.9 µg/l), and MIBK (56.4 µg/l) found in MW-3 during 6/22/17 sampling event (not in table).
10. MIBK was found in MW-3 (66 µg/l), MW-21 (12 µg/l), and MW-25 (2.7 µg/l) during 6/6/18 sampling event (not in table).
11. 2-Hexone was found in MW-3 (66 µg/l), and MW-21 (4.8 µg/l) during 6/6/18 sampling event (not in table).
6. NF=Data not found
MW-31MW-27 (Cont.)
1. Only compounds detected in at least one sample shown above
2. Bold concentration exceeds 2L ground water standards or Interim Maximum Allowable Concentrations (IMACs); Underlined concentration exceeds GCL
3. VOC = Volatile Organic Compound; BTEX = benzene, toluene, ethylbenzene, and xylenes; GW = Ground Water; GCL = Gross Contamination Level
MW-30
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T2 Historical GW Data Date: 8/27/2019
Table 2 (Page 7 of 7)
Hart & Hickman, PC
Table 3 (Page 1 of 1)
Summary of Adjacent Properties
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 Adjacent PropertiesDate:7/23/2019
Table 3 (Page 1 of 1)
Hart & Hickman, PC
Directions From
Subject Site Property Address Parcel Number Owners Name*Owner Address**Property Use
North & East (1)1347 Prison Camp Rd.364806278932 NC State Highway & Public Works
Commission
1347 Prison Camp Rd.,
Newton, NC 28658 NCDOT Facility
South (2)1347 Prison Camp Rd.364810360104 NC State Highway Commission 1347 Prison Camp Rd.,
Newton, NC 28658 NCDOT Facility
Southwest (3)1244 Prison Camp Rd.364809263178 Norfolk Southern Railroad 110 Franklin Rd. SE,
Roanoke, VA 24042 Farm Supply Store
West (4)Norfolk Southern Railroad NA Norfolk Southern Railroad 110 Franklin Rd. SE,
Roanoke, VA 24042 Railroad
Notes:
* = From Catawba County GIS
** = City of Newton Planning and Municipal Water Department
(1) = Property ID on Figure 4
Table 4 (Page 1 of 3)
Summary of Dissolved Oxygen and Site Geochemical Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T3 DO and Geo Parameters
7/22/2019
Table 4 (Page 1 of 3)
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
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
MW-2 ----------------------------------------
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
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
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
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
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
MW-10
MW-11 ----------------------------------------
MW-12 ----------------------------------------
MW-13 ----------------------------------------
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Notes:
--- = Free Product Well
NS = Not Sampled
NM = Not Measured
NW = Not enough water in well at time of sampling to obtain readings.
CNL = Could not locate well at time of sampling
Destroyed
June 2014
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 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
Table 4 (Page 2 of 3)
Summary of Dissolved Oxygen and Site Geochemical Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T3 DO and Geo Parameters
7/22/2019
Table 4 (Page 2 of 3)
Hart & Hickman, PC
MW-1D
MW-1
MW-2
MW-3
MW-4
MW-5
MW-6
MW-7
MW-8
MW-9
MW-10
MW-11
MW-12
MW-13
MW-14
MW-15
MW-16
MW-17
MW-18
MW-19
MW-20
MW-21
MW-22
MW-23
MW-24
MW-25
MW-26
MW-27
MW-28
MW-29
MW-30
MW-31
MW-32
Monitor Well ID
7.98 6.49 20.1 270.3 4.57 6.05 17.6 163.4 5.71 NS NS NS 3.60 NS NS NS 1.71 NS NS NS
4.88 4.77 20.1 703.1 7.19 5.20 19.0 661.9 8.65 NS NS NS 7.02 NS NS NS CNL NS NS NS
--------0.12 ------0.21 NS NS NS 0.52 NS NS NS 1.01 NS NS NS
0.29 4.49 20.4 495.2 0.14 4.75 19.1 200 0.26 4.62 21.0 402.9 0.44 4.14 18.7 368.2 0.98 4.91 21.1 375.1
7.80 4.97 19.8 1689 6.56 5.03 17.5 1384 5.29 NS NS NS 6.62 NS NS NS 4.39 NS NS NS
----------------------------------------
7.82 NS NS NS 8.39 NS NS NS 8.15 NS NS NS
3.09 NS NS NS 7.19 NS NS NS 8.09 NS NS NS
1.15 4.96 20.5 382.3 0.23 5.50 19.3 449.7 0.56 NS NS NS 2.50 NS NS NS 1.09 NS NS NS
--------0.23 ------0.19 ------2.16 NS NS NS 0.64 NS NS NS
--------1.25 ------1.30 ------3.74 NS NS NS 0.81 NS NS NS
--------1.37 ------1.09 ------NM NS NS NS NM NS NS NS
0.38 6.31 20.1 316.5 0.23 5.79 18.9 358.3 0.36 7.62 20.2 308.0 0.58 5.81 17.1 361.1 1.21 6.38 19.5 393.4
6.01 5.18 20.0 431.2 6.85 5.32 18.6 386.3 7.80 NS NS NS 2.98 NS NS NS 3.30 NS NS NS
7.21 4.42 20.0 427.3 7.87 4.58 17.4 502.8 7.00 NS NS NS 6.81 NS NS NS 3.72 NS NS NS
6.88 4.83 20.3 188.6 6.81 4.92 19.7 200.1 5.66 NS NS NS 2.45 NS NS NS 2.81 NS NS NS
0.29 5.41 22.6 39.92 0.19 5.81 18.1 50.76 0.31 NS NS NS 0.46 NS NS NS 0.97 NS NS NS
4.21 4.95 19.8 97.97 6.36 5.25 18.9 68.19 8.03 6.78 20.0 131.6 6.67 5.16 17.6 155.2 5.07 5.43 20.2 111.4
1.36 NS NS NS 7.42 NS NS NS 6.98 NS NS NS
1.15 4.92 20.6 250.3 0.29 5.21 19.5 276.0 1.15 5.27 21.1 318.7 1.83 4.73 18.0 280.1 0.80 5.17 21.2 226.3
0.29 5.93 21.1 1410 0.64 6.03 18.4 1113 0.21 NS NS NS 0.44 NS NS NS 0.54 NS NS NS
2.16 NS NS NS 4.34 NS NS NS 5.50 NS NS NS
0.36 NS NS NS 0.23 NS NS NS 0.29 NS NS NS
1.26 5.69 20.9 243.7 0.79 5.79 19.3 315.9 1.01 5.81 21.4 245.6 0.82 5.26 18.4 250.3 0.84 5.74 21.1 236.8
5.26 4.95 19.6 281.9 4.67 4.98 17.7 190.1 4.55 5.39 19.4 320.8 6.83 4.48 17.0 135.3 0.62 5.43 19.4 366.5
4.21 5.93 20.6 252.3 5.99 5.60 17.7 287.3 7.48 6.32 19.4 183.1 6.36 5.18 16.8 251.1 2.07 5.77 19.1 174.7
3.19 4.73 20.5 210.3 3.74 5.57 18.3 166.5 2.29 NS NS NS 6.14 NS NS NS 3.53 NS NS NS
4.01 5.47 20.3 160.0 0.17 5.65 18.0 73.35 0.21 6.15 21.1 70.15 2.34 5.05 19.0 85.44 1.22 5.67 20.8 57.72
5.62 NS NS NS 3.46 NS NS NS 4.61 NS NS NS
1.60 NS NS NS 0.40 NS NS NS 0.48 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
NM = Not Measured
NW = Not enough water in well at time of sampling to obtain readings.
CNL = Could not locate well at time of sampling
Specific
Conductivity
(umhos/cm)
CNL
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Destroyed
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Destroyed
June 2015
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
June 2017
Dissolved
Oxygen
(mg/L)
pH
(standard
units)
Temperature
(°C)
Specific
Conductivity
(umhos/cm)
CNL
December 2016
Dissolved
Oxygen
(mg/L)
pH
(standard
units)
Temperature
(°C)
Specific
Conductivity
(umhos/cm)
CNL
Destroyed
June 2016
Dissolved
Oxygen
(mg/L)
pH
(standard
units)
Temperature
(°C)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Destroyed
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Table 4 (Page 3 of 3)
Summary of Dissolved Oxygen and Site Geochemical Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\Data Tables July 2019 T3 DO and Geo Parameters
7/22/2019
Table 4 (Page 3 of 3)
Hart & Hickman, PC
MW-1D
MW-1
MW-2
MW-3
MW-4
MW-5
MW-6
MW-7
MW-8
MW-9
MW-10
MW-11
MW-12
MW-13
MW-14
MW-15
MW-16
MW-17
MW-18
MW-19
MW-20
MW-21
MW-22
MW-23
MW-24
MW-25
MW-26
MW-27
MW-28
MW-29
MW-30
MW-31
MW-32
Monitor Well ID
3.54 NS NS NS 1.70 NS NS NS NS 1.52 NS NS NS NS 0.13 NS NS NS NS
6.50 NS NS NS CNL NS NS NS NS 0.28 NS NS NS NS 2.30 NS NS NS NS
0.49 NS NS NS 0.10 NS NS NS NS 0.09 NS NS NS NS 0.15 NS NS NS NS
2.51 4.96 19.7 235.7 0.34 4.98 21.5 555.0 209 0.31 5.05 19.9 583.7 149 0.27 5.28 21.1 602.2 148
0.88 NS NS NS NS 1.15 NS NS NS NS
5.10 NS NS NS 3.66 NS NS NS NS 3.43 NS NS NS NS 0.12 NS NS NS NS
--------------------------------------
2.78 NS NS NS 0.27 NS NS NS NS 0.19 NS NS NS NS 0.45 NS NS NS NS
0.40 NS NS NS 0.10 NS NS NS NS 0.09 NS NS NS NS 0.15 NS NS NS NS
NM NS NS NS 2.27 NS NS NS NS 2.02 NS NS NS NS 4.80 NS NS NS NS
1.26 NS NS NS 2.55 NS NS NS NS 2.12 NS NS NS NS 4.99 NS NS NS NS
1.60 8.39 17.4 123.4 3.11 6.42 19.4 299.8 -4 2.85 6.68 18.6 454.1 38 2.86 8.09 19.9 112.8 4
6.53 NS NS NS 1.80 NS NS NS NS 1.66 NS NS NS NS 3.40 NS NS NS NS
6.36 NS NS NS 2.57 NS NS NS NS 2.25 NS NS NS NS 4.80 NS NS NS NS
NM NS NS NS 9.17 NS NS NS NS 3.01 NS NS NS NS NM NS NS NS NS
0.46 NS NS NS 0.17 NS NS NS NS 0.05 NS NS NS NS 0.40 NS NS NS NS
7.53 6.70 18.6 142.3 2.23 6.70 19.5 181.3 198 1.90 5.95 18.5 322.1 103 0.20 6.60 19.8 209.8 20
0.70 5.60 18.2 211.0 0.44 5.20 21.9 246.9 210 0.20 NS NS NS NS 0.20 5.63 21.6 463.8 174
0.72 NS NS NS 0.11 NS NS NS NS 0.05 NS NS NS NS 0.33 NS NS NS NS
0.70 5.64 19.5 240.6 0.25 5.78 22.5 249.1 30 0.12 5.29 20.1 228.5 74 0.33 5.78 21.4 202.9 7
1.55 5.43 18.3 1190 0.26 5.29 19.2 2510 307 0.15 5.81 18.3 423.9 203 1.21 5.85 19.0 1229 221
6.60 5.91 17.7 203.0 4.18 6.40 20.6 482.6 271 1.94 6.65 16.7 191.6 207 5.70 5.95 19.0 307.4 187
5.19 NS NS NS 2.63 NS NS NS NS 1.25 NS NS NS NS 5.84 NS NS NS NS
0.61 5.88 19.4 54.90 0.51 6.68 21.7 307 307 0.29 NS NS NS NS 1.20 6.19 21.0 124.1 130
Notes:
--- = Free Product Well
NS = Not Sampled
NM = Not Measured
NW = Not enough water in well at time of sampling to obtain readings.
CNL = Could not locate well at time of sampling
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Destroyed
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
June 2019
Dissolved
Oxygen
(mg/L)
pH
(standard
units)
Temperature
(°C)
Specific
Conductivity
(umhos/cm)
Oxidation
Reduction
Potential
(mV)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Destroyed
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
June 2018
Dissolved
Oxygen
(mg/L)
pH
(standard
units)
Temperature
(°C)
Oxidation
Reduction
Potential
(mV)
CNL
Specific
Conductivity
(umhos/cm)
December 2018
Dissolved
Oxygen
(mg/L)
December 2017
Dissolved
Oxygen
(mg/L)
pH
(standard
units)
Temperature
(°C)
Specific
Conductivity
(umhos/cm)
CNL
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Destroyed
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
pH
(standard
units)
Temperature
(°C)
Specific
Conductivity
(umhos/cm)
Oxidation
Reduction
Potential
(mV)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Abandoned (July 2016)
Destroyed
Abandoned (July 2016)
Abandoned (July 2016)
Table 5 (Page 1 of 1)
Water Supply Well Inventory
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 Water Supply Wells
Date:7/23/2019
Table 5 (Page 1 of 1)
Hart & Hickman, PC
WSW Map
Index Property Address Parcel Number Property Use Owners Name*Owner Address**Distance From
Source Area
City Water
Connection
Sample Collected/
Impacts?
1 1347 Prison Camp Rd.364806278932 NCDOT Facility
NC State Highway &
Public Works
Commission
1347 Prison Camp Rd.,
Newton, NC 28658 250 Yes - Well no
longer in use Yes / Yes
2 1347 Prison Camp Rd.364810360104 NCDOT Facility NC State Highway
Commission
1347 Prison Camp Rd.,
Newton, NC 28658 670 Yes - Well no
longer in use Yes / No
5 1244 Prison Camp Rd.364809263178 Farm Supply Store Norfolk Southern
Railroad
110 Franklin Rd. SE,
Roanoke, VA 24042 1065 No Yes / No
16 1347 Prison Camp Rd.364810360104 Department of
Corrections
NC State Highway
Commission
1347 Prison Camp Rd.,
Newton, NC 28658 600 Yes - Well no
longer in use No
Notes:
Map Index Number Corrosponds to Figure 2 Location
* = From Catawba County GIS
** = City of Newton Planning and Municipal Water Department
Table 6 (Page 1 of 3)
Soil Vapor Extraction System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
System Well East West PID
Running Blower Field Well Field Well Field Total Off-GasO&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.
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 SVE System O&MDate:8/26/2019
Table 6 (Page 1 of 3)Hart & Hickman, PC
Table 6 (Page 2 of 3)
Soil Vapor Extraction System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
System Well East West PID
Running Blower Field Well Field Well Field Total Off-GasO&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.
7/15/2016 Yes NM NM NM NM NM NM NM
SVE system operating on arrival. System
manually shut down without recording operating data for well cleaning activities prior to MMPE event. System restarted at end of day following well cleaning activities.
7/18/2016 Yes 93,931.01 50 39 48 52 100 39
SVE system operating on arrival. Actual
operating time correcting for time meter not functioning = 97,545.34 Hrs. System manually shut down prior to 96 Hr Mobile Multi-Phase Extraction event (MMPE).
8/5/2016 No 93,931.01 48 37 54 56 110 43.5 SVE system shut down from previous MMPE event. System restarted following product well gauging.
9/29/2016 Yes 95,273.17 53 40 49 51 100 56 SVE system operating on arrival. Actual operating time correcting for time meter not functioning = 98,887.55 Hrs.
10/28/2016 Yes 95,944.17 43 35 52 52 104 42 SVE system operating on arrival. Actual operating time correcting for time meter not
functioning = 99,558.50 Hrs.
11/22/2016 Yes 96,547.23 55 35 52 55 107 47.7
SVE system operating on arrival. Actual
operating time correcting for time meter not functioning = 100,161.56 Hrs.
12/2/2016 Yes 96,783.80 54 34 52 52 104 28.1
SVE system operating on arrival. Actual operating time correcting for time meter not functioning = 100,398.13 Hrs. Air sample collected for lab analysis (SVE120816).
1/13/2017 Yes 97,739.53 54 39 52 52 104 68.0 SVE system operating on arrival. Actual
operating time correcting for time meter not
functioning = 101,353.86 Hrs.
2/24/2017 Yes 98,746.92 53 39 54 52 105 NM SVE system operating on arrival. Actual operating time correcting for time meter not functioning = 102,361.25 Hrs.
3/27/2017 Yes 99,542.95 54 38 50 50 100 55.3 SVE system operating on arrival. Actual
operating time correcting for time meter not
functioning = 103,157.28 Hrs.
4/29/2017 Yes 289.56 (Hour meter rolled over)50 40 49 52 101 35.2
SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 103,903.88 Hrs. Air sample collected for lab analysis "OFF Gas (4-27-17)".
5/16/2017 Yes 741.63 55 42 52 52 104 30.5 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 104,355.95 Hrs.
6/21/2017 Yes 1,605.82 NM 42 54 52 106 43.0
SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 105,219.95 Hrs. Air sample collected for lab analysis (SVE062117).
7/27/2017 Yes 2,455.04 48 40 47 52 99 34.0 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 106,069.36 Hrs.
8/21/2017 Yes 3,060.47 49 38 50 54 104 18.0 SVE system operating on arrival. Actual operating time correcting for time meter not
functioning & meter roll over = 106,674.79 Hrs.
9/26/2017 Yes 3,911.76 50 39 46 52 98 22.0 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 107,526.08 Hrs.
10/19/2017 Yes 4,462.69 54 40 56 49 105 33.7
SVE system operating on arrival. Actual
operating time correcting for time meter not functioning & meter roll over = 108,077.01 Hrs.
11/22/2017 Yes 5,277.46 55 40 54 52 106 NM SVE system operating on arrival. Actual operating time correcting for time meter not
functioning & meter roll over = 108,891.78 Hrs.
12/20/2017 Yes 5,949.07 54 39 48 50 98 28.0
SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 109,563.39 Hrs. Air sample collected for lab analysis (SVE121217).
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 SVE System O&MDate:8/26/2019
Table 6 (Page 2 of 3)Hart & Hickman, PC
Table 6 (Page 3 of 3)
Soil Vapor Extraction System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
System Well East West PID
Running Blower Field Well Field Well Field Total Off-GasO&M Upon Blower Vacuum Vacuum Air Flow Air Flow Air Flow Concentration Additional Date Arrival Hour Meter ("H2O)("H2O)(scfm)(scfm)(scfm)(ppm)Comments
1/31/2018 Yes 6,980.71 55 38 54 56 110 47.0
SVE system operating on arrival. Actual
operating time correcting for time meter not
functioning & meter roll over = 110,595.03 Hrs.
2/14/2018 Yes 7,317.62 56 40 50 52 102 33.5 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 110,931.94 Hrs.
3/23/2018 Yes 8,171.84 57 38 54 55 109 60.9 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 111,786.16 Hrs.
4/20/2018 Yes 8,840.51 54 37 48 57 105 37.4 SVE system operating on arrival. Actual
operating time correcting for time meter not
functioning & meter roll over = 112,454.83 Hrs.
5/16/2018 Yes 9,459.65 51 42 44 52 96 63.4 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 113,073.97 Hrs.
6/27/2018 Yes 10,462.75 50 42 53 50 103 61.1 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 114,077.07 Hrs.
7/18/2018 Yes 10,964.71 51 42 55 48 103 39.7 SVE system operating on arrival. Actual operating time correcting for time meter not
functioning & meter roll over = 114,579.03 Hrs.
8/14/2018 Yes 11,611.57 44 40 46 58 104 32.1 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 115,225.89 Hrs.
9/11/2018 No - Yes 12,054.44 43 42 47 55 102 75.4
Blower off due to power outage on site from
recent storm. System operated 18.5 days prior to shut-down based on time meter reading. Restarted system, no issues. Actual operating time correcting for time meter not functioning & meter roll over = 115,668.76 Hrs. System
readings following stabilization.
10/23/2018 Yes 13,064.75 50 45 44 59 103 46.7 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 116,679.07 Hrs.
11/26/2018 No - Yes 13,437.93 50 46 52 55 107 43.7
Blower off due to power outage on site from
recent storm. System operated 15.5 days prior to shut-down based on time meter reading. Restarted system, no issues. Actual operating time correcting for time meter not functioning & meter roll over = 117,052.25 Hrs. System readings following stabilization.
12/6/2018 Yes - No 13,675.43 50 41 48 54 102 27.5
SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 117,289.75 Hrs. Air sample collected for lab analysis (SVE120618). Manually shut down at end of
site visit prior to semi-annual sampling event.
Restarted system December 12, 2018 following groundwater sampling event.
1/11/2019 Yes 14,395.57 54 42 48 62 110 29.3 SVE system operating on arrival. Actual operating time correcting for time meter not
functioning & meter roll over = 118,009.89 Hrs.
2/18/2019 Yes 15,308.09 50 48 49 55 104 28.3 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 118,922.41 Hrs.
3/14/2019 Yes 15,882.85 52 44 47 55 101 30.6
SVE system operating on arrival. Actual
operating time correcting for time meter not functioning & meter roll over = 119,497.17 Hrs.
4/16/2019 Yes 15,910.04 50 NM 54 53 107 21.9
SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 119,524.36 Hrs.
System was likely affected by power loss
following March 2019 O&M visit. Air sample collected for lab analysis (SVE041619).
5/10/2019 Yes 16,485.31 52 46 43 53 96 NM SVE system operating on arrival. Actual operating time correcting for time meter not
functioning & meter roll over = 120,099.63 Hrs.
6/17/2019 Yes 17,397.40 51 45 46 54 100 22.3
SVE system operating on arrival. Actual
operating time correcting for time meter not functioning & meter roll over = 121,011.72 Hrs. Manually shut down at end of site visit prior to semi-annual sampling event. Restarted system June 19, 2018 following groundwater sampling event.
7/11/2019 Yes 17,973.90 52 NM 44 53 97 13.8 SVE system operating on arrival. Actual operating time correcting for time meter not functioning & meter roll over = 121,588.22 Hrs.
Notes:IWS System Started on April 4, 2011PID = Photo Ionization DetectorNM = Not Measured
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 SVE System O&MDate:8/26/2019
Table 6 (Page 3 of 3)Hart & Hickman, PC
Table 7 (Page 1 of 5)
In-Well Aeration System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 IWS DataDate:7/23/2019
Table 7 (Page 1 of 5)
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% time
11/17/2011 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 7 (Page 2 of 5)
In-Well Aeration System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 IWS DataDate:7/23/2019
Table 7 (Page 2 of 5)
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
desiccant 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 7 (Page 3 of 5)
In-Well Aeration System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 IWS DataDate:7/23/2019
Table 7 (Page 3 of 5)
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.
7/18/2016 No 0 0 0 Compressor manually shut down on 7/14/16 prior to remediation well cleaning and
MobileMulti-Phase Extraction event.
8/5/2016 No 70 15-5 15-5 Compressor restarted following 7/18/16 -7/22/16 Mobile Multi-Phase Extraction event.9/29/2016 Yes 69 6 6 Compressor operating, oil level and air filter good.
10/28/2016 No 0 0 0 Compressor operating, oil level and air filter good. Topped off oil level.
11/22/2016 No 0 0 0 Compressor off on arrival. Compressor restarted however building too much pressure.
Air compressor not functioning properly and manually shut down.
12/8/2016 No 0 0 0 System off from previous site visit. Confirmed pressure switch needs replaced.
1/13/2017 No - Yes 0-70 0-15 0-15 Replaced pressure switch and belt. Restarted compressor.
2/24/2017 Yes 70 15 15 Compressor operating, oil level and air filter good.
3/27/2017 No - Yes 0-70 0-11 0-11 Compressor temperature overload switch tripped. Turned on building vent fan, changed
oil and restarted compressor.
4/27/2017 Yes 70 11 11 Compressor operating, oil level and air filter good.
5/16/2017 Yes 70 11 11 Compressor operating, oil level and air filter good.
6/21/2017 No 0 0 0 Breaker tripped, restarted compressor, no observed issues. Manually shut down prior to
6/22/17 groundwater sampling. System restarted 6/22/17 following sampling event.
Table 7 (Page 4 of 5)
In-Well Aeration System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 IWS DataDate:7/23/2019
Table 7 (Page 4 of 5)
Hart & Hickman, PC
Compressor
Running Regulator Eastern Western
O&M Upon Pressure IWS Field IWS Field Additional
Date Arrival (PSI)(PSI)(PSI)Comments
7/27/2017 No 78 12 12 Compressor temperature overload switch tripped. Reset and Restarted Compressor.8/21/2017 Yes 71 NM NM Compressor operating, oil level and air filter good. Topped off oil level.
9/26/2017 Yes 72 13 13
Compressor operating, oil level and air filter good, changed compressor oil and desiccant
filter.
10/19/2017 No 95 14 14
Breaker tripped, restarted compressor, no observed issues. Recorded measurements
after letting compressor run 30 minutes
11/22/2017 No NM NM NM
Breaker tripped. Reset and restarted the compressor, motor ran for about 30 seconds
then started smoking and tripped breaker again. Motor bad, unknown if compressor
caused motor failure.
12/20/2017 No NM NM NM Air compressor off pending replacement. Following gauging, installed hydrophobic socks
in RW-2, RW-5, RW-12
1/31/2018 &
2/1/2018 No - Yes 70 14 14 Installed replacement air compressor, restarted compressor and IWS system.
2/14/2018 Yes 65 12 12 Compressor operating, oil level and air filter good.
3/23/2018 Yes 60 8 8 Compressor operating, oil level and air filter good.
4/20/2018 Yes 85 10 10 Compressor operating, oil level and air filter good.
5/16/2018 Yes 80 5 5 Compressor operating, oil level and air filter good.
6/27/2018 No - Yes 0-85 0-12 0-12 Breaker tripped, restarted compressor, no observed issues.
7/18/2018 Yes 135 12 60 Compressor operating, changed oil, air filter good.8/14/2018 Yes 62 12 60 Compressor operating, oil level and air filter good.9/11/2018 Yes 62 12 60 Compressor operating, added oil, air filter good.
10/23/2016 Yes 60 12 60 Compressor operating, oil level and air filter good.11/26/2018 No - Yes 0-62 0-12 0-60 Breaker tripped, restarted compressor, no observed issues.
12/6/2018 Yes - No 63 12 62
Compressor operating, oil level and air filter good. Manually shut down at end of site visit
prior to semi-annual sampling event. Restarted December 12, 2018 following
groundwater sampling event.
Table 7 (Page 5 of 5)
In-Well Aeration System Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 IWS DataDate:7/23/2019
Table 7 (Page 5 of 5)
Hart & Hickman, PC
Compressor
Running Regulator Eastern Western
O&M Upon Pressure IWS Field IWS Field Additional
Date Arrival (PSI)(PSI)(PSI)Comments
1/11/2019 Yes 62 10 60 Compressor operating, added oil, air filter good.
2/18/2019 Yes 62 12 60 Compressor operating, added oil, air filter good.
3/14/2019 Yes 62 11 60 Compressor operating, added oil, air filter good.
4/16/2019 Yes 65 11 60 Compressor operating, oil level and air filter good.
5/10/2019 Yes 62 11 60 Compressor operating, oil level and air filter good.
6/17/2019 Yes 60 11 60 Compressor operating, oil level and air filter good.
Notes:
IWS System Started on April 4, 2011
NM = Not Measured, NA = Not Applicable
Table 8 (Page 1 of 8)
Remediation System Well Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019,WT Data
Date: 7/23/2019
Table 8 (Page 1 of 8)
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 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 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)(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 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 NP 29.19 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 32.23 32.29 0.06
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 NP 31.72 NP
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 NP 31.75 NP
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 31.69 31.72 0.03
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 NP 31.64 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 NP 31.40 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 NP 30.39 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 NP 29.63 NP
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 NP 32.21 NP
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 NP 30.28 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 NP 31.82 NP
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 NP 32.69 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 NP 32.22 NP
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 NP 30.14 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 NP 32.10 NP
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 NP 32.20 NP
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 NP 30.37 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 NP 30.03 NP
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 32.45 32.47 0.02
Notes:
TOC = Top of Casing
NM = Not Measured; CNL = Could Not Locate
NP = No Product at time of gauging
Pneumatic product recovery pumps removed on March 26, 2011
IWS operation began operation on April 1, 2011
July 3, 2014 August 26, 2014 September 17, 2014 October 10, 2014 November 21, 2014 December 16, 2014June 3, 2014
Table 8 (Page 2 of 8)
Remediation System Well Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019,WT Data
Date: 7/23/2019
Table 8 (Page 2 of 8)
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 Casing
NM = Not Measured; CNL = Could Not Locate
NP = No Product at time of gauging
Pneumatic 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 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 To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NP 29.58 NP NP 29.52 NP NM NM NM NP 29.82 NP NP 29.88 NP NP 29.75 NP NP 29.77 NP
NP 29.16 NP NP 29.43 NP NM NM NM NP 29.45 NP NP 29.46 NP NP 29.45 NP NP 29.16 NP
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 32.78 33.25 0.47 29.87 29.88 0.01
NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 32.32 NP NM NM NM
NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 32.27 NP NM NM NM
NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 32.48 NP NM NM NM
NP 31.59 NP NP 31.62 NP NP 31.98 NP NP 31.95 NP NP 32.04 NP NP 31.94 NP NP 31.96 NP
NP 31.39 NP NP 31.48 NP NP 31.87 NP NP 31.83 NP NP 31.80 NP NP 31.64 NP NP 31.68 NP
NP 30.30 NP NP 30.43 NP NM NM NM NP 30.41 NP NP 30.65 NP NP 30.57 NP NM NM NM
NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 29.83 NP NM NM NM
NM NM NM NM NM NM NM NM NM NP 31.57 NP NM NM NM NP 32.78 NP NM NM NM
NP 30.24 NP NP 30.18 NP NM NM NM NM NM NM NP 30.85 NP NP 30.68 NP NP 30.72 NP
NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 32.47 NP NM NM NM
NP 32.65 NP NP 32.11 NP NM NM NM 31.56 31.58 NP NM NM NM 33.18 33.28 0.10 32.98 33.05 0.07
NM NM NM NM NM NM NM NM NM NP 31.24 NP NM NM NM 32.82 32.87 0.05 NM NM NM
NP 30.10 NP 30.05 30.08 NP NM NM NM NP 30.04 NP 30.61 30.64 0.03 30.60 30.62 0.02 NP 30.64 NP
NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 32.73 NP NM NM NM
NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 32.77 NP NM NM NM
NM NM NM NP 30.69 NP NM NM NM NP 30.45 NP NP 30.75 NP NP 30.73 NP NM NM NM
NM NM NM NP 31.72 NP NM NM NM NM NM NM NP 30.46 NP NP 30.32 NP NM NM NM
32.42 32.44 0.02 NP 32.78 NP NM NM NM 31.63 31.64 0.01 NM NM NM NP 32.92 NP 32.98 32.99 0.01
July 24, 2015January 29, 2015 February 27, 2015 March 20, 2015 April 30, 2015 May 19, 2015 June 18, 2015
Table 8 (Page 3 of 8)
Remediation System Well Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019,WT Data
Date: 7/23/2019
Table 8 (Page 3 of 8)
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 Casing
NM = Not Measured; CNL = Could Not Locate
NP = No Product at time of gauging
Pneumatic 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 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 To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NM NM NM NP 30.04 NP NP 30.07 NP NP 29.97 NP NP 29.95 NP NM NM NM NP 29.90 NP
NM NM NM NM NM NM NM NM NM NP 29.91 NP NP 29.88 NP NP 29.85 NP NP 29.82 NP
29.72 29.74 0.02 30.11 30.12 0.01 32.25 32.27 0.02 30.69 30.72 0.03 33.13 33.16 0.03 NM NM NM NM NM NM
NP 30.65 NP NM NM NM NM NM NM NM NM NM NP 32.52 NP NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NM NM NM NP 32.55 NP NM NM NM NP 30.97 NP
NM NM NM NM NM NM NM NM NM NM NM NM NP 32.56 NP NM NM NM NM NM NM
NP 31.97 NP NP 32.63 NP NP 32.68 NP NP 32.56 NP NP 32.52 NP NP 32.48 NP NP 32.45 NP
NP 31.73 NP NP 32.70 NP NP 32.72 NP NP 32.30 NP NP 32.28 NP NP 32.22 NP NP 32.25 NP
NM NM NM NP 31.12 NP NP 31.16 NP NP 31.03 NP NP 31.00 NP NP 30.97 NP NM NM NM
NM NM NM NP 30.27 NP NM NM NM NM NM NM NP 30.21 NP NM NM NM NM NM NM
NM NM NM NM NM NM 31.23 31.25 0.02 NM NM NM 33.05 33.30 0.25 NM NM NM NM NM NM
NP 30.75 NP NP 31.45 NP NP 31.48 NP NP 31.00 NP NP 30.96 NP NP 30.94 NP 30.89 30.90 0.01
NP 30.52 NP NM NM NM NM NM NM NM NM NM NP 32.66 NP NM NM NM NM NM NM
33.05 33.07 0.02 NM 32.18 NM 32.38 32.40 0.02 NM NM NM NP 33.58 NP NM NM NM NP 32.22 NP
NM NM NM NM NM NM NP 31.24 NP NM NM NM NP 33.04 NP NM NM NM NM NM NM
30.68 30.69 0.01 31.62 31.64 0.02 31.64 31.65 0.01 NP 30.93 NP NP 30.92 NP NP 30.89 NP NP 30.84 NP
NM NM NM NM NM NM NM NM NM NM NM NM NP 33.92 NP NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NM NM NM NP 33.00 NP NM NM NM NM NM NM
NP 30.87 NP NP 31.17 NP NM NM NM NP 31.10 NP NP 31.12 NP NP 31.02 NP NP 31.12 NP
NM NM NM NP 30.85 NP NM NM NM NP 30.80 NP NP 30.76 NP NM NM NM NM NM NM
NP 32.84 NP NP 32.40 NP NP 32.45 NP NM NM NM 33.34 33.52 0.18 NP 30.71 NP NM NM NM
August 28, 2015 September 29, 2015 October 22, 2015 November 13, 2015 December 15, 2015 January 26, 2016 February 29,2016
Table 8 (Page 4 of 8)
Remediation System Well Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019,WT Data
Date: 7/23/2019
Table 8 (Page 4 of 8)
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 Casing
NM = Not Measured; CNL = Could Not Locate
NP = No Product at time of gauging
Pneumatic 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 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 To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NM NM NM NP 28.45 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NP 28.45 NP NP 28.52 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
31.40 32.64 1.24 31.68 31.85 0.17 29.98 30.04 0.06 31.67 31.70 0.03 NM NM NM NM NM NM 31.15 31.82 0.67
NM NM NM NP 31.19 NP NP 29.27 NP NP 31.15 NP NM NM NM NP 30.15 NP NP 29.77 NP
NP 31.10 NP NP 31.24 NP NM NM NM NM NM NM NM NM NM NM NM NM NP 30.20 NP
31.06 31.13 0.07 NP 31.06 NP NP 30.22 NP NP 31.22 NP NM NM NM NP 31.15 NP NP 31.43 NP
NP 30.92 NP NP 30.74 NP NM NM NM NP 30.74 NP NP 30.82 NP NP 30.88 NP NP 30.67 NP
NP 30.69 NP NP 30.65 NP NM NM NM NP 30.62 NP NP 30.67 NP NP 30.73 NP NP 30.6 NP
NM NM NM NP 29.38 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NM NM NM NP 28.65 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
31.54 31.83 0.29 31.65 31.78 0.13 29.70 29.74 0.04 31.68 31.73 0.05 NM NM NM 31.10 31.34 0.24 31.18 31.27 0.09
NP 29.53 NP NP 29.26 NP NM NM NM NP 29.24 NP NM NM NM NP 29.47 NP NP 30.02 NP
NP 31.18 NP NP 31.35 NP 29.43 29.47 0.04 NP 31.40 NP NM NM NM NP 30.92 NP NP 30.64 NP
NP 32.03 NP NP 32.03 NP NP 30.31 NP NP 31.99 NP NM NM NM 31.55 31.56 0.01 NP 31.94 NP
31.57 31.58 NP NP 31.70 NP 29.90 29.95 0.05 NP 31.77 NP NM NM NM 30.63 30.64 0.01 NP 30.56 NP
NP 29.60 NP NP 29.22 NP NP 29.59 NP NP 29.20 NP NM NM NM NP 29.65 NP NP 29.95 NP
NP 31.36 NP NP 31.60 NP NM NM NM NM NM NM NM NM NM NM NM NM NP 30.51 NP
NP 31.53 NP NP 31.63 NP NM NM NM NM NM NM NM NM NM NM NM NM NP 30.01 NP
NM NM NM NP 29.46 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NM NM NM NP 29.07 NP NM NM NM
31.78 31.80 0.02 NP 31.78 NP 30.00 30.06 0.06 31.77 31.78 0.01 NM NM NM 31.63 31.65 0.02 31.98 32.01 0.03
September 29, 2016May 13, 2016
Abandoned Abandoned
June 14 2016 July 18, 2016 August 5, 2016 October 28, 2016 November 22, 2016
AbandonedAbandoned
Table 8 (Page 5 of 8)
Remediation System Well Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019,WT Data
Date: 7/23/2019
Table 8 (Page 5 of 8)
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 Casing
NM = Not Measured; CNL = Could Not Locate
NP = No Product at time of gauging
Pneumatic 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 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 To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NP 29.10 NP NP 28.97 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NP 28.84 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 29.60 NP
31.63 32.21 0.58 32.09 32.11 0.02 NM NM NM NM NM NM 31.78 31.79 0.01 31.21 31.40 0.19 32.89 33.40 0.51
NP 31.18 NP NM NM NM NM NM NM NP 31.05 NP NP 31.56 NP NM NM NM NP 32.31 NP
NP 31.29 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 32.39 NP
NP 31.37 NP NM NM NM NM NM NM 32.80 32.94 0.14 32.32 32.35 0.03 NM NM NM 32.34 32.39 0.05
NP 31.27 NP NP 31.24 NP NM 31.64 NM NP 32.33 NP NP 32.56 NP NP 32.59 NP NP 32.20 NP
NP 31.09 NP NP 31.03 NP NM 31.58 NM NP 32.11 NP NP 32.41 NP NP 32.36 NP NP 31.94 NP
NP 30.01 NP NM NM NM NM NM NM NM NM NM NM NM NM NP 31.06 NP NP 30.92 NP
NP 29.19 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 29.96 NP
31.89 32.00 0.11 31.91 31.97 0.06 NM NM NM NP 31.45 NP NP 31.92 NP NP 32.61 NP NP 32.91 NP
NP 29.94 NP NP 29.89 NP NM NM NM NM NM NM NM NM NM NP 31.07 NP NP 30.79 NP
NP 31.53 NP NM NM NM NM NM NM NP 31.24 NP NM NM NM NM NM NM NP 32.55 NP
NP 32.08 NP NP 32.01 NP NM NM NM NP 31.94 NP NP 32.30 NP NM NM NM NP 33.33 NP
NP 31.50 NP NM NM NM NM NM NM NP 31.23 NP NP 31.80 NP NM NM NM NP 32.88 NP
NP 30.50 NP NM NM NM NM NM NM NM NM NM NM NM NM NP 31.27 NP NP 30.71 NP
NP 31.09 NP NP 31.02 NP NM NM NM NM NM NM NM NM NM NP 32.05 NP NP 32.79 NP
NP 31.67 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 32.86 NP
NP 29.97 NP NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NP 30.86 NP
32.12 32.14 0.02 NP 32.08 NP NM NM NM 31.96 32.00 0.04 32.25 32.33 0.08 NP 32.18 NP NP 33.11 NP
Abandoned Abandoned Abandoned Abandoned Abandoned Abandoned
January 13, 2017 February 24, 2017 March 29, 2017 April 27, 2017 May 16, 2017 June 22, 2017December 2, 2016
Abandoned
Table 8 (Page 6 of 8)
Remediation System Well Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019,WT Data
Date: 7/23/2019
Table 8 (Page 6 of 8)
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 Casing
NM = Not Measured; CNL = Could Not Locate
NP = No Product at time of gauging
Pneumatic 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 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 To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NP 30.05 NP NP 29.87 NP NP 30.01 NP NP 29.97 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 29.58 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NP 32.50 NP 32.29 32.86 0.57 NM NM NM 31.21 32.67 1.46 NM NM NM
NM NM NM NM NM NM NM NM NM NP 31.39 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 30.93 NP NM NM NM NP 32.32 NP NM NM NM
NP 32.01 NP NM NM NM NP 31.94 NP 31.37 31.38 0.01 NM NM NM NM NM NM NM NM NM
NP 32.19 NP NP 32.27 NP NP 32.17 NP NP 32.15 NP NP 32.76 NP NP 32.70 NP NP 32.64 NP
NP 31.99 NP NP 32.03 NP NP 31.96 NP NP 31.91 NP NP 31.99 NP NP 32.51 NP NP 32.45 NP
NM NM NM NM NM NM NM NM NM NP 30.73 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM
NM NM NM NP 32.6 NP 32.49 32.50 0.01 NP 31.79 NP 32.92 32.96 0.04 32.79 32.80 0.01 NP 32.74 NP
NM NM NM NP 30.68 NP NP 30.92 NP NP 30.74 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NP 32.06 NP NP 31.63 NP NM NM NM NM NM NM NM NM NM
NP 33.01 NP NP 32.98 NP NP 32.93 NP NP 31.88 NP 33.52 33.53 0.01 33.20 33.21 0.01 NP 32.98 NP
NM NM NM NM NM NM NP 32.46 NP NP 32.75 NP NM NM NM NM NM NM NM NM NM
NM NM NM NP 30.85 NP NP 30.87 NP NP 30.81 NP NP 30.72 NP NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 30.97 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 31.21 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 30.92 NP NM NM NM NM NM NM NM NM NM
NP 32.82 NP NP 32.73 NP 32.75 32.76 0.01 32.77 32.80 0.03 33.12 33.14 0.02 33.03 33.05 0.02 NP 32.96 NP
Abandoned
August 21, 2017July 27, 2017
Abandoned
December 20, 2017
Abandoned
September 26, 2017
Abandoned
October 19, 2017
Abandoned
November 22, 2017
Abandoned
February 14, 2018
Abandoned
Table 8 (Page 7 of 8)
Remediation System Well Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019,WT Data
Date: 7/23/2019
Table 8 (Page 7 of 8)
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 Casing
NM = Not Measured; CNL = Could Not Locate
NP = No Product at time of gauging
Pneumatic 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 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 To Product To Water Thickness
(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)
NM NM NM NM NM NM NM NM NM CNL CNL CNL NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 29.34 NP NM NM NM NM NM NM NM NM NM
30.60 32.10 1.50 31.61 33.5 1.89 31.42 33.00 1.58 31.08 31.68 0.60 NP 28.94 NP 28.80 28.82 0.02 28.90 28.99 0.09
NM NM NM NM NM NM NM NM NM NP 31.15 NP NM NM NM NP 28.48 NP NM NM NM
NM NM NM NM NM NM NM NM NM NP 31.03 NP NM NM NM NP 28.55 NP NM NM NM
NM NM NM NM NM NM NM NM NM NP 31.08 NP NP 29.50 NP NM NM NM NP 29.49 NP
NP 32.57 NP NP 32.70 NP NM NM NM NP 31.82 NP NP 31.11 NP NP 31.07 NP NP 31.04 NP
NP 32.38 NP NP 32.51 NP NM NM NM NP 31.56 NP NP 30.90 NP NP 30.88 NP NP 31.85 NP
NM NM NM NM NM NM NM NM NM NP 30.46 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 29.74 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 31.11 NP NP 29.05 NP NM NM NM NP 28.90 NP
NM NM NM NM NM NM NM NM NM NP 30.99 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 30.68 NP NP 28.70 NP NM NM NM NP 28.75 NP
NM NM NM NM NM NM NM NM NM NP 31.90 NP NP 29.36 NP NM NM NM NP 29.24 NP
NM NM NM NM NM NM NM NM NM NP 31.07 NP NM NM NM NP 28.25 NP NM NM NM
NM NM NM NM NM NM NM NM NM NP 30.34 NP NM NM NM NM NM NM NM NM NM
NM NM NM NM NM NM NM NM NM NP 30.73 NP NM NM NM NP 27.95 NP NM NM NM
NM NM NM NM NM NM NM NM NM NP 30.66 NP NM NM NM NP 30.06 NP NM NM NM
NM NM NM NM NM NM NM NM NM NP 30.57 NP NM NM NM NP 29.83 NP NM NM NM
NM NM NM NM NM NM NM NM NM NP 31.35 NP NP 29.23 NP NM NM NM NP 29.29 NP
May 16, 2018
Abandoned
June 6, 2018
Abandoned
March 23, 2018
Abandoned
April 20, 2018
Abandoned
July 18, 2018
Abandoned
August 14, 2018
Abandoned
September 11, 2018
Abandoned
Table 8 (Page 8 of 8)
Remediation System Well Data
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019,WT Data
Date: 7/23/2019
Table 8 (Page 8 of 8)
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 Casing
NM = Not Measured; CNL = Could Not Locate
NP = No Product at time of gauging
Pneumatic 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
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)
NM NM NM NM NM NM CNL 27.37 CNL NP 24.45 NP
NM NM NM NM NM NM NP 27.12 NP NP 24.15 NP
29.2 29.70 0.50 NP 27.94 NP 29.15 29.40 0.25 25.00 25.03 0.03
NM NM NM NP 28.02 NP NP 29.13 NP NP 26.96 NP
NM NM NM NP 28.20 NP NP 29.02 NP NP 26.93 NP
NM NM NM NM NM NM NP 29.35 NP NP 26.95 NP
NP 30.32 NP NP 30.24 NP NP 29.62 NP NP 26.45 NP
NP 30.05 NP NP 29.95 NP NP 29.35 NP NP 26.22 NP
NM NM NM NM NM NM NP 28.23 NP NP 25.22 NP
NM NM NM NM NM NM NP 27.53 NP NP 24.52 NP
NM NM NM NM NM NM NP 29.23 NP NP 27.38 NP
NM NM NM NM NM NM NP 28.37 NP NP 25.25 NP
NM NM NM NM NM NM NP 28.88 NP NP 27.07 NP
NM NM NM NM NM NM NP 29.45 NP NP 27.72 NP
NM NM NM NP 28.11 NP NP 29.20 NP NP 27.41 NP
NM NM NM NM NM NM NP 28.37 NP NP 25.26 NP
NM NM NM NP 27.77 NP NP 28.93 NP NP 27.35 NP
NM NM NM NP 29.92 NP NP 29.12 NP NP 27.50 NP
NM NM NM NP 29.75 NP NP 28.45 NP NP 25.40 NP
NM NM NM NM NM NM NP 29.30 NP NP 27.47 NP
June 19, 2019
Abandoned
October 23, 2018
Abandoned
November 26, 2018
Abandoned
December 12, 2018
Abandoned
Table 9
Summary of Off-Gas Sampling Results (mg/m3)
NCDOT
Newton, North Carolina
H&H Job No. DOT-465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 air samples
Date:7/23/2019
Table 9 (Page 1 of 1)
Hart & Hickman, PC
Sample ID SVE040711 SVE111711 SVE052212 SVE112812 SVE042513 SVE121013 SVE060214 SVE121114 SVE061615 SVE120115 SVE060916 SVE120816 Off Gas (4-27-17)SVE062117 SVE121217 SVE-060618 SVE120618 SVE041619
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 12/8/2016 4/27/2017 6/21/2017 12/12/2017 6/6/2018 12/6/2018 4/16/2019
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)
VOC's
(Method TO-3)
VOC's
(Method TO-3)
VOC's
(Method TO-3)EPA 18 EPA 18 EPA 18 EPA 18
Benzene 6.82 4.55 3.02 10.7 10.7 1.56 <0.65 0.33 1.82 0.49 0.877 <0.81 <1.69 <0.812 <2.0 <2.0 <2.0 <2.0
Ethylbenzene 8.39 12.4 4.86 11 11.5 3.35 2.65 0.97 1.24 1.41 <0.441 <0.96 <2.30 <1.10 2.5 <2.0 <2.0 <2.0
Toluene 31.8 39.5 21.5 45.6 54.4 9.96 4.6 2.53 3.79 5.36 1.26 <1.1 <1.99 <0.958 7.1 3.1 <2.0 <2.0
Xylenes 52.9 84.8 43.7 62.3 70.6 25.19 18.58 8.12 8.39 11.26 4.20 1.10 <6.71 <3.31 13.9 2.0 <2.0 <2.0
THC 595 599 390 760 890 234 164 91.1 102 109 42.1 <10.9 <22.6 123 170 130 <100.0 <100.0
Notes:
THC = Total Hydrocarbons (mg/m3)
VOCs = Volatile organic compounds
Table 10
Summary of Estimated Mass Removal Rates
Soil Vapor Extraction / In-Well Stripper System
NCDOT
Newton, North Carolina
H&H Job No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 Mass removed (NEW)
Date:7/23/2019
Table 10 (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 <0.01 0.04 0.39 1.55 2.22 <0.78 7.40 74.17
157 6/9/16 to
12/08/16 104 12/2/2016 <0.81 <0.96 <1.1 1.1 <10.9 <0.01 <0.01 <0.01 0.01 <0.10 <1.0 <1.0 <1.0 1.62 <18
195 12/8/16 to
6/21/17 103 6/21/2017 <0.812 <0.958 <1.10 <3.31 123 <0.01 <0.01 <0.01 <0.01 1.14 <1.0 <1.0 <1.0 <1.0 222
181 6/21/17 to
12/20/17 102 12/12/2017 <2.0 7.1 2.5 13.9 170 <0.02 0.07 0.02 0.13 1.56 <1.0 11.79 4.15 23.09 282
190 12/20/17 to
6/27/18 105 6/6/2018 <2.0 3.1 <2.0 2.0 130 <0.02 0.03 <0.02 0.02 1.23 <1.0 5.56 <1.0 3.59 233
162 6/27/18 to
12/6/18 103 12/6/2018 <2.0 <2.0 <2.0 <2.0 <100 <0.02 <0.02 <0.02 <0.02 <0.93 <3.00 <3.00 <3.00 <3.00 <150
193 12/6/18 to
6/17/19 103 4/16/2019 <2.0 <2.0 <2.0 <2.0 <100 <0.02 <0.02 <0.02 <0.02 <0.93 <3.86 <3.86 <3.86 <3.86 <179
Totals 57.92 334.00 87.53 602.31 6,554.2
Notes:
IWS System start-up was April 1, 2011, SVE system has been in operation since 2007
Mass 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 11 (Page 1 of 5)
Summary of Free Product Recovery
MW-6 Product Recovery System
NCDOT
Newton, North Carolina
H&H Project No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 Product Recovery - MW-6Date: 7/23/2019
Table 11 (Page 1 of 5)
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 recovery6/2/2014 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.
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 11 (Page 2 of 5)
Summary of Free Product Recovery
MW-6 Product Recovery System
NCDOT
Newton, North Carolina
H&H Project No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 Product Recovery - MW-6Date: 7/23/2019
Table 11 (Page 2 of 5)
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
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.
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.
Table 11 (Page 3 of 5)
Summary of Free Product Recovery
MW-6 Product Recovery System
NCDOT
Newton, North Carolina
H&H Project No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 Product Recovery - MW-6Date: 7/23/2019
Table 11 (Page 3 of 5)
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
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.
7/18/2016 NG NG 0.0 0.0 0.0 0.0 NG NG NG NG NG NG NG NG System manually shut down on 7/14/16 for remediation well
cleaning and Mobile Multi-Phase Extraction (MMPE) event.
8/5/2016 2.2 2.1 0.0 0.0 0.0 0.0 2.2 2.1 0.0 1.1 0.0 1.1 31.3 15.4 Restarted system following well cleaning and 7/18/16 - 7/22/16
Mobile Multi-Phase Extraction event.
9/29/2016 2.0 22.6 0.0 0.0 0.0 0.0 2.0 22.6 -0.2 20.5 -0.2 20.5 31.1 35.9 System operating. No changes made to recovery pump.
10/28/2016 1.8 22.8 0.0 0.0 0.0 0.0 1.8 22.8 -0.2 0.1 -0.2 0.1 30.9 36.1 System operating. No changes made to recovery pump.
11/22/2016 2.0 22.6 0.0 0.0 0.0 0.0 2.0 22.6 0.2 -0.2 0.2 -0.2 31.0 35.8 System shut down due to tripped breaker. Compressor not
loading correctly, manually turned compressor off.
12/8/2016 2.0 22.6 0.0 0.0 0.0 0.0 2.0 22.6 0.0 0.0 -0.04 0.0 31.0 35.8 System off from previous site visit. Confirmed pressure switch
needs replaced.
1/13/2017 3.1 27.9 0.0 0.0 0.0 0.0 3.1 27.9 1.1 5.3 1.14 5.3 32.1 41.1 Replaced pressure switch and belt. Restarted compressor and
recovery pump.
2/24/2017 NG NG 0.0 0.0 0.0 0.0 NG NG NG NG NG NG NG NG System operating. No changes made to recovery pump.
3/27/2017 2.8 30.6 0.0 0.0 0.0 0.0 1.0 30.6 -0.4 2.7 -0.39 2.7 31.7 43.9 Compressor temperature overload switch tripped. Turned on
building vent fan, changed oil and restarted compressor.
4/27/2017 2.8 31.0 0.0 0.0 0.0 0.0 2.8 31.0 1.8 0.4 1.75 0.4 33.5 44.2 System operating. No changes made to recovery pump.
5/16/2017 2.8 32.2 0.0 0.0 0.0 0.0 2.8 32.2 0.0 1.2 0.05 1.2 33.5 45.4 System operating. Lowered recovery pump 1.0 ft.
6/21/2017 2.8 32.2 0.0 0.0 0.0 0.0 2.8 32.2 0.0 0.0 0.00 0.0 33.5 45.4
Breaker tripped, restarted compressor, no observed issues.
Manually shut down prior to 6/22/17 groundwater sampling.
System restarted 6/22/17 following sampling event.
Table 11 (Page 4 of 5)
Summary of Free Product Recovery
MW-6 Product Recovery System
NCDOT
Newton, North Carolina
H&H Project No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 Product Recovery - MW-6Date: 7/23/2019
Table 11 (Page 4 of 5)
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
7/27/2017 2.8 32.2 0.0 0.0 0.0 0.0 2.8 32.2 0.0 0.0 0.00 0.0 33.5 45.4 Compressor temperature overload switch tripped. Reset and
restarted Compressor.
8/21/2017 3.1 32.6 0.0 0.0 0.0 0.0 3.1 32.6 0.3 0.4 0.30 0.4 33.8 45.8 Compressor operating, added 2-3 oz of oil and air filter good.
9/26/2017 3.5 32.8 0.0 0.0 0.0 0.0 3.5 32.8 0.4 0.2 0.40 0.2 34.2 46.0 Compressor operating, oil level and air filter good, changed
compressor oil, changed desiccant filter.
10/19/2017 3.7 28.7 0.0 0.0 0.0 0.0 3.7 28.7 0.2 -4.1 0.23 -4.1 34.5 41.9
Breaker tripped, restarted compressor, no observed issues during
site visit. Recorded measurements after letting compressor run
30 minutes
11/22/2017 3.7 28.7 0.0 0.0 0.0 0.0 3.7 28.7 0.0 0.0 0.00 0.0 34.5 41.9
Breaker tripped. Reset and started compressor, motor ran for
approximately 30 seconds then tripped breaker again and motor
smoking. Motor or entire compressor will need replacement.
12/20/2017 3.7 28.7 0.0 0.0 0.0 0.0 3.7 28.7 0.0 0.0 0.00 0.0 34.5 41.9
Air compressor off pending replacement. Following gauging,
installed 3"x18" hydrophobic socks in RW-2, RW-5, RW-12. Did
not remove product from MW-6 to help test/balance pump once
compressor replaced.
1/31/2018 -
2/1/2018 3.7 28.7 0.0 0.0 0.0 0.0 3.7 28.7 0.0 0.0 0.00 0.0 34.5 41.9
Purchased and installed replacement air compressor. Product
recovery pump restarted on 2/1/2018. No product added during
the period.
2/14/2018 3.7 28.7 0.0 0.0 0.0 0.0 3.7 28.7 0.0 0.0 0.00 0.0 34.5 41.9
Pump not recovering product from MW-6 although >1ft product
present. Swapped pump with another one in storage after
cleaning check valves again.
3/23/2018 2.8 30.4 0.0 0.0 0.0 0.0 2.8 30.4 -0.9 1.7 -0.90 1.7 33.6 43.6
Recovered liquid increased approximatly 1 gallon since last site
visit although recovered product decreased 0.9 gallons (most
likely due to difficulty locating exact product water interface).
4/20/2018 3.4 30.0 0.0 0.0 0.0 0.0 3.4 30.0 0.6 -0.4 0.60 -0.4 34.2 43.2 System operating. Lowered recovery pump 2.0 ft.
5/16/2018 3.3 30.9 0.0 0.0 0.1 0.0 3.4 30.9 -0.1 0.9 0.00 0.9 34.2 44.1
Recovery pump not operating properly. Removed pump and sent
back to manufacturer to have rebuilt prior to June O&M site visit.
Hand bailed product from RW-6 and poured in product recovery
drum.
6/27/2018 3.3 31.1 0.0 0.0 0.0 0.0 2.8 30.4 -0.1 0.2 -0.10 0.2 34.1 44.3
Reinstalled manufacturer rebuilt recovery pump. Purchased and
installed new inline particulate/coalescing/desiccant inline air
filters. Tested recovery pump after installation and operating as
designed.
Table 11 (Page 5 of 5)
Summary of Free Product Recovery
MW-6 Product Recovery System
NCDOT
Newton, North Carolina
H&H Project No. DOT- 465
File: S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Tables\System Tables July 2019 Product Recovery - MW-6Date: 7/23/2019
Table 11 (Page 5 of 5)
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
7/18/2018 4.5 32.4 0.0 0.0 0.0 0.0 4.5 32.4 1.7 2.0 1.70 2.0 35.8 46.3 System operating. No changes made.
8/14/2018 5.3 33.4 0.0 0.0 0.0 0.0 5.3 33.4 0.8 1.0 0.80 1.0 36.6 47.3 System operating. No changes made.
9/11/2018 7.3 33.4 0.0 0.0 0.0 0.0 7.3 33.4 2.0 0.0 2.00 0.0 38.6 47.3 Breaker tripped, restarted compressor, no observed issues during
site visit.
10/23/2016 10.6 44.0 10.6 44.0 0.0 0.0 0.0 0.0 3.3 10.6 3.30 10.6 41.9 57.9
System operating. Existing product recovery drum and contents
removed from site and disposed of by A&D Environmental. New
product recovery drum reinstalled.
11/26/2018 4.0 0.0 0.0 0.0 0.0 0.0 4.0 0.0 4.0 0.0 4.00 0.0 45.9 57.9 Breaker tripped, restarted compressor, no observed issues during
site visit.
12/6/2018 4.2 2.3 0.0 0.0 0.0 0.0 4.2 2.3 0.2 2.3 0.20 2.3 46.1 60.2
System operating. Pump manually shut down following O&M
event prior to scheduled semi-annual groundwater sampling
event. Pump restarted on December 12, 2018.
1/11/2019 2.0 6.7 0.0 0.0 0.0 0.0 2.0 6.7 -2.2 4.4 -2.24 4.4 43.8 64.6
Recovered liquid increased approximately 2 gallons since last site
visit although recovered product decreased 2.2 gallons (most
likely due to difficulty locating exact product water interface or
evaporation). Pump was raised approximately 2 feet.
2/18/2019 4.0 7.1 0.0 0.0 0.0 0.0 4.0 7.1 2.0 0.4 2.04 0.4 45.9 65.0 System operating. No changes made.
3/14/2019 4.6 7.5 0.0 0.0 0.0 0.0 4.6 7.5 0.6 0.4 0.60 0.4 46.5 65.4 System operating. Pump raised approximately 1 foot.
4/16/2019 4.9 8.7 0.0 0.0 0.0 0.0 4.9 8.7 0.3 1.2 0.25 1.2 46.7 66.6 System operating. No changes made.
5/10/2019 2.6 12.9 0.0 0.0 0.0 0.0 2.6 12.9 -2.3 4.2 -2.30 4.2 44.4 70.8
Recovered liquid increased approximately 2 gallons since last site
visit although recovered product decreased 2.3 gallons (most
likely due to difficulty locating exact product water interface or
evaporation). Hole in tubing of pump in MW-6 was repaired during
visit. Pump raised approximately 1 foot.
6/17/2019 1.6 17.2 0.0 0.0 0.0 0.0 1.6 17.2 -1.0 4.3 -1.00 4.3 43.4 75.1
System operating. Recovered liquid increased approximately 3.3
gallons since last site visit although recovered product decreased
1 gallon (most likely due to difficulty locating exact product water
interface or evaporation).
Notes:
Negative or decreasing values indicate loss by evaporation or inexact gauging
TITLE
PROJECT
SITE LOCATION MAP
NC DOT MAINTENANCE FACILITYNEWTON, NORTH CAROLINA
DATE:
JOB NO:
REVISION NO:
FIGURE NO:
7-9-2019 0
1DOT-465
0 2000 4000
APPROXIMATE
SCALE IN FEETN
U.S.G.S. QUADRANGLE MAP
QUADRANGLE
7.5 MINUTE SERIES (TOPOGRAPHIC)
MAIDEN, NC 1993
SITE
JOB NO. DOT-465
REVISION NO. 0DATE: 7-9-2019
FIGURE NO. 2
LEGEND
SUBJECT PROPERTY BOUNDARY
ACTIVE WATER SUPPLY WELL
INACTIVE WATER SUPPLY WELL
NC DOT MAINTENANCE FACILITYNEWTON, NORTH CAROLINA
WATER SUPPLY WELL SURVEY MAP
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
NOTE:
AERIAL IMAGERY OBTAINED FROM CATAWBA CO. GIS.
PRIS
O
N
C
A
M
P
R
O
A
D
1,000 FT
SOURCE AREA
US 321 HWYWSW-16
WSW-1
WSW-2
WSW-5
A
A'
B'
B
RW-11
MW-1D
MW-32
MW-30
MW-24
MW-20
MW-7
MW-8
MW-23
MW-31
APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERS
WASHHOUSE
NEWWASHPAD
PUMP STATION
NEW LANDSCAPEOFFICE BUILDING
GRASS
GRASS
GRASS
GRAVEL
ASPHALT
ASPHALT
ASPHALT
A
S
P
H
A
L
T
GRASS
FORMER
SHOP
RW-10 RW-9
RW-8
RW-6
RW-2
RW-4
RW-3
RW-7
RW-1
RW-12
RW-5
MW-13
MW-5
MW-4
MW-27
MW-28
MW-9
MW-25
MW-3
MW-1
MW-14
MW-15
MW-16
MW-17
MW-18
MW-22
MW-11
MW-12
MW-6
MW-29
MW-2
MW-21
MW-19
MW-26
LEGEND
MONITORING WELL
DEEP MONITORING WELL
ABANDONED MONITORING WELL
RECOVERY WELL
ABANDONED RECOVERY WELL
FORMER GASOLINE UST AND DISPENSER
AREA
GEOLOGIC CROSS-SECTION LOCATION
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
A
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton 2017-18 O&M\Reports\July 2018 Monitoring\Figures\geo-ref FIG-3 THRU 12.dwg, FIG 3, 1/10/2019 12:10:49 PM, erichardson
JOB NO. DOT-465
REVISION NO. 0DATE: 1-8-2019
FIGURE NO. 4
LEGEND
SUBJECT PROPERTY BOUNDARY
ADJACENT PROPERTY
PROPERTY ID
NC DOT MAINTENANCE FACILITYNEWTON, NORTH CAROLINA
ADJACENT PROPERTY OWNER MAP
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyNOTES:
1. AERIAL IMAGERY OBTAINED FROM CATAWBA CO. GIS.
2. PROPERTY ID'S CORRESPOND TO TABLE 3.
PRIS
O
N
C
A
M
P
R
O
A
D
SOURCE AREA
US 321 HWY
30
NORTH(FT.)
SOUTH(FT.)
20
10
40
50
60
70
80
90
100
110
30
20
10
40
50
60
70
80
90
100
110
MW-5 (PROJECTED)MW-14MW-13 (PROJECTED)MW-6MW-18 (PROJECTED)1
(NS - FP)
(NS)(NS)(<0.5*)(10)(NS)(<0.5*)
10
1,000
100
JOB NO. DOT-465
REVISION NO. 0DATE: 7-9-19
FIGURE NO. 5
NC DOT MAINTENANCE FACILITY
NEWTON, NORTH CAROLINA
GEOLOGIC CROSS-SECTION A-A'
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
SANDY SILT
SILTY CLAY
PARTIALLY WEATHERED ROCK(PWR)
APPROXIMATE EXTENT OF FREE
PRODUCT
NOTES:
1. REFER TO FIGURE 3 OF THIS REPORT FOR CROSS-SECTION TRANSECT.
2. * INDICATES GROUNDWATER SAMPLE COLLECTED IN DECEMBER 2015.
3. ** INDICATES GROUNDWATER SAMPLE COLLECTED IN DECEMBER 2012.
4. NO PRODUCT DETECTED IN MW-13 SINCE DECEMBER 2014.
5. NS = NOT SAMPLED; FP = FREE PRODUCT
LEGEND
SHALLOW GROUNDWATER ELEVATION (6/19/2019)
ESTIMATED BENZENE ISOCONCENTRATION CONTOUR AT
GROUNDWATER STANDARD (1 μg/L) (6/19/2019)
FLOW LINE
APPROXIMATE LOCATION OF THREE FORMER GASOLINEUSTs & DISPENSERSMW-141
MONITORING WELL DEPICTING SCREEN INTERVAL
GROUNDWATER BENZENE CONCENTRATION (μg/L) (6/19/2019)(10)S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Figures\Cross-Sections.dwg, A-A', 7/9/2019 5:43:03 PM,jlane
30
WEST(FT.)
EAST(FT.)
20
10
40
50
60
70
80
90
100
110
30
20
10
40
50
60
70
80
90
100
110
MW-7 (ABANDONED)MW-16 (PROJECTED)MW-11 (PROJECTED)MW-12 (PROJECTED)MW-1D (PROJECTED)MW-21 (PROJECTED)MW-3MW-27MW-61
(NS)
(80.5**)
(NS - FP)(NS)
(<0.5*)
(NS)(NS)(8.2)
(1,900)
(<0.5)
(NS)(<0.5*)
10
1,000
100
1
1000
10100
SANDY SILT
SILTY CLAY
PARTIALLY WEATHERED ROCK(PWR)
APPROXIMATE EXTENT OF FREE
PRODUCT
NOTES:
1. REFER TO FIGURE 3 OF THIS REPORT FOR CROSS-SECTION TRANSECT.
2. * INDICATES GROUNDWATER SAMPLE COLLECTED IN DECEMBER 2015.
3. ** INDICATES GROUNDWATER SAMPLE COLLECTED IN DECEMBER 2012.
4. NO PRODUCT DETECTED IN MW-11 OR MW-12 SINCE JUNE 2013.
5. NS = NOT SAMPLED; FP = FREE PRODUCT JOB NO. DOT-465
REVISION NO. 0DATE: 7-9-19
FIGURE NO. 6
NC DOT MAINTENANCE FACILITY
NEWTON, NORTH CAROLINA
GEOLOGIC CROSS-SECTION B-B'
LEGEND
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyMW-3MONITORING WELL DEPICTING SCREEN INTERVAL
GROUNDWATER BENZENE CONCENTRATION (μg/L)(6/19/2019)(1,900)
SHALLOW GROUNDWATER ELEVATION (6/19/2019)
ESTIMATED BENZENE ISOCONCENTRATION CONTOUR AT
GROUNDWATER STANDARD (1 μg/L) (6/19/2019)
FLOW LINE
APPROXIMATE LOCATION OF THREE FORMER GASOLINEUSTs & DISPENSERS
1
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Figures\Cross-Sections.dwg, B-B', 7/9/2019 4:49:29 PM,jlane
MW-1DMW-32MW-30MW-24MW-20MW-7MW-8MW-23MW-3171.5572.1672.6371.9672.3772.1372.3972.8672.7472.9473.3472.7072.9972.7772.6372.98(73.09)73.2373.43(CNA)72.50
(75.60)72.6671.50
APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSENEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASSFORMERSHOPMW-13MW-5MW-4MW-27MW-28MW-9MW-25MW-3MW-1MW-14MW-15MW-16MW-17MW-18MW-22MW-11MW-12MW-29MW-2MW-21MW-19MW-2671.50
72
.
50
7
3
.
0
0
73.00
73.5073.5072.58MW-672.00 72.00
74.0074.5075.0074.0074.5075.002923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyLEGENDMONITORING WELLDEEP MONITORING WELLABANDONED MONITORING WELLFORMER GASOLINE UST ANDDISPENSER AREAGROUNDWATER ELEVATION (FT)GROUNDWATER ELEVATIONCONOTUR (FT)COULD NOT ACCESS(72.16)73.00(CNA)S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Figures\geo-ref FIG-3 THRU 12.dwg, FIG 7, 8/7/2019 6:46:01 PM,jlane
RW-11
MW-1D
MW-32
MW-30
MW-24
MW-20
MW-7
MW-8
MW-23
MW-31
APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERS
WASHHOUSE
NEWWASHPAD
PUMP STATION
NEW LANDSCAPEOFFICE BUILDING
GRASS
GRASS
GRASS
GRAVEL
ASPHALT
ASPHALT
ASPHALT
A
S
P
H
A
L
T
GRASS
FORMERSHOP
(NP)
(NP)
(NP)
(NP)
(NP)
(NP)
(NP)(NP)
(NP)
(CNA)
(NP)
(NP)
(NP)
(NP)
RW-10 RW-9
RW-8
RW-6
RW-2
RW-4
RW-3
RW-7
RW-1
RW-12
RW-50.01
[NM]
(NP)[NM]
(NP)[NM](NP)[NM]
(NP)[NM]
(NP)[NM](NP)[NP]
(NP)[0.01]
(NP)[NM]
(NP)[0.01]
(NP)[NM](NP)[NM]
(NP)[NM](NP)[0.04]
[0.01]
(NP)[NM]
(NP)[NM]
(NP)[0.01]
[0.90]
(NP)[0.01]
(NP)[NM](NP)[NM]
(NP)[NM]
[0.52]
MW-13
MW-5
MW-4
MW-27
MW-28
MW-9
MW-25
MW-3
MW-1
MW-14
MW-15
MW-16
MW-17
MW-18
MW-22
MW-11
MW-12
MW-29
MW-2
MW-21
MW-19
MW-26
0.01
(0.03)[2.13]
MW-6
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
LEGEND
MONITORING WELL
DEEP MONITORING WELL
ABANDONED MONITORING WELL
RECOVERY WELL
ABANDONED RECOVERY WELL
FORMER GASOLINE UST AND DISPENSERAREA
FREE PRODUCT THICKNESS (FT) (6/19/2019)
FREE PRODUCT THICKNESS (FT) (6/2004)
FREE PRODUCT CONTOUR (6/19/2019)
FREE PRODUCT CONTOUR (6/2004)
COULD NOT ACCESS
NO PRODUCT
NOT MEASURED
NP
(0.03)
CNA
0.01
[2.13]
0.01
NM
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Figures\geo-ref FIG-3 THRU 12.dwg, FIG 8, 7/23/2019 9:53:04 PM,jlane
MW-1D
MW-32
MW-30
MW-24
MW-20
MW-7
MW-8
MW-23
MW-31
APPROXIMATE LOCATION OF 3
FORMER GASOLINE USTs AND DISPENSERS
WASHHOUSE
NEWWASHPAD
PUMP STATION
NEW LANDSCAPEOFFICE BUILDING
GRASS
GRASS
GRASS
GRAVEL
ASPHALT
ASPHALT
ASPHALT
A
S
P
H
A
L
T
GRASS
FORMERSHOP
(NS)
(<1.0)
(NS)
(6,420)
(21.8)
(NS)
(NS)
(NS)
(FP)
(NS)
(193)
(<1.0)
(NS)
(<1.0)
(NS)
(NS)
(NS)
(NS)
(NS)
(NS)
(NS)
(<1.0)
(12.4)
1,000
1
1
MW-13
MW-5
MW-4
MW-27
MW-28
MW-9
MW-25
MW-3
MW-1
MW-14
MW-15
MW-16
MW-17
MW-18
MW-22
MW-11
MW-12
MW-29
MW-2
MW-21
MW-19
MW-26
MW-6
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
LEGEND
MONITORING WELL
DEEP MONITORING WELL
ABANDONED MONITORING WELL
FORMER GASOLINE UST AND DISPENSERAREA
BTEX CONCENTRATION (g/L)
FREE PRODUCT
BTEX ISOCONCENTRATION CONTOUR
NOT SAMPLED
(FP)
(12.4)
1
(NS)S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Figures\geo-ref FIG-3 THRU 12.dwg, FIG 9, 7/23/2019 10:04:00 PM,jlane
(NS)(NS)(NS)(NS)(NS)(NS)(NS)(<0.50)(NS)(NS)(<0.50)(<0.50)(NS)(NS)(NS)(NS)(FP)(<0.50)(8.2)(1,900)(NS)(66)10
0
1,
0
0
011001,000MW-1DMW-32MW-30MW-24MW-20MW-7MW-8MW-23MW-31APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERSWASHHOUSENEWWASHPADPUMP STATIONNEW LANDSCAPEOFFICE BUILDINGGRASSGRASSGRASSGRAVELASPHALTASPHALTASPHALTASPHALTGRASSFORMERSHOPMW-13MW-5MW-4MW-27MW-28MW-9MW-25MW-3MW-1MW-14MW-15MW-16MW-17MW-18MW-22MW-11MW-12MW-29MW-2MW-21MW-19MW-261
MW-6(10)2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 GeologyLEGENDMONITORING WELLDEEP MONITORING WELLABANDONED MONITORING WELLFORMER GASOLINE UST AND DISPENSERAREABENZENE CONCENTRATION (g/L)FREE PRODUCTBENZENE ISOCONCENTRATIONCONTOURNOT SAMPLED(FP)(10)100(NS)S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\July 2019 Monitoring\Figures\geo-ref FIG-3 THRU 12.dwg, FIG 10, 7/23/2019 10:16:27 PM,jlane
(<1.5)
(110)
(3,100)
(NS)
(NS)
(1.6)
(NS)
(FP)
(NS)
(NS)
(NS)
(11)
(NS)
(NS)
(NS)
(NS)
(NS)
(NS)
(<1.5)
(<1.5)
(NS)
(<1.5)
(NS)
500
1,000
1,000
500
MW-1D
MW-32
MW-30
MW-24
MW-20
MW-7
MW-8
MW-23
MW-31
APPROXIMATE LOCATION OF 3FORMER GASOLINE USTs AND DISPENSERS
WASHHOUSE
NEWWASHPAD
PUMP STATION
NEW LANDSCAPEOFFICE BUILDING
GRASS
GRASS
GRASS
GRAVEL
ASPHALT
ASPHALT
ASPHALT
A
S
P
H
A
L
T
GRASS
FORMERSHOP
MW-13
MW-5
MW-4
MW-27
MW-28
MW-9
MW-25
MW-3
MW-1
MW-14
MW-15
MW-16
MW-17
MW-18
MW-22
MW-11
MW-12
MW-6
MW-29
MW-2
MW-21
MW-19
MW-26
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
LEGEND
MONITORING WELL
DEEP MONITORING WELL
ABANDONED MONITORING WELL
FORMER GASOLINE UST AND DISPENSERAREA
XYLENE CONCENTRATION (g/L)
FREE PRODUCT
XYLENE ISOCONCENTRATION CONTOUR
NOT SAMPLED
(FP)
(1.6)
500
(NS)S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\January 2019 Monitoring\Figures\geo-ref FIG-3 THRU 12.dwg, FIG 11, 8/7/2019 6:08:30 PM,jlane
(NS)
(<1.0)
(NS)
(NS)
(<1.0)
(NS)
(NS)
(NS)
(<1.0)
(<1.0)
(<1.0)
(NS)
(NS)
(<1.0)
(NS)
(FP)
(NS)
(NS)
(<1.0)
(NS)
(NS)
(NS)
(<10)
20
20
MW-1D
MW-32
MW-30
MW-24
MW-20
MW-7
MW-8
MW-23
MW-31
APPROXIMATE LOCATION OF 3
FORMER GASOLINE USTs AND DISPENSERS
WASHHOUSE
NEWWASHPAD
PUMP STATION
NEW LANDSCAPEOFFICE BUILDING
GRASS
GRASS
GRASS
GRAVEL
ASPHALT
ASPHALT
ASPHALT
A
S
P
H
A
L
T
GRASS
FORMERSHOP
MW-13
MW-5
MW-4
MW-27
MW-28
MW-9
MW-25
MW-3
MW-1
MW-14
MW-15
MW-16
MW-17
MW-18
MW-22
MW-11
MW-12
MW-6
MW-29
MW-2
MW-21
MW-19
MW-26
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
LEGEND
MONITORING WELL
DEEP MONITORING WELL
ABANDONED MONITORING WELL
FORMER GASOLINE UST AND DISPENSERAREA
MTBE CONCENTRATION (g/L)
FREE PRODUCT
MTBE ISOCONCENTRATION CONTOUR
NOT SAMPLED
(FP)
(<1.0)
20
(NS)S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton GW O&M\Reports\January 2019 Monitoring\Figures\geo-ref FIG-3 THRU 12.dwg, FIG 12, 8/7/2019 6:10:45 PM,jlane
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton 2017-18 O&M\Reports\July 2018 Monitoring\Figures\FIG-13 - SVE system layout.dwg, Model, 1/10/2019 1:25:53 PM, erichardson
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton 2017-18 O&M\Reports\July 2018 Monitoring\Figures\FIG-14 -product recovery.dwg, Model, 1/10/2019 1:26:19 PM, erichardson

Appendix A

CSA Soil Analytical Results and Generalized Cross Sections
JOB NO. DOT-212
REVISION NO. 0DATE: 1-15-18
FIGURE NO. 9
NC DOT MAINTENANCE FACILITY
NEWTON, NORTH CAROLINA
GEOLOGIC CROSS-SECTION C-C'
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
BENZENE CONCENTRATION(µg/l - WATER)(mg/kg - SOIL)
NOT SAMPLED DUE TO FREE
PRODUCT
WATER TABLE ELEVATION (FT)JUNE 14, 2004
SILTY CLAY
SANDY SILT
LEGEND
2" DIA.MONITORING WELLWITH SCREENINTERVAL
4" DIA. RECOVERYWELL WITHSCREEN INTERVAL
ESTIMATED EXTENT
OF IMPACTED SOILS
MONITORING WELLSURFACE CASING(MW-1D)
SOIL BORING ANDSAMPLE LOCATION
ESTIMATED EXTENT OF
IMPACTED GROUND WATER
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton 2017-18 O&M\Reports\January 2018 Monitoring\Figures\Historic Cross-Sections.dwg, C-C', 1/17/2018 9:18:52 AM, zbarlow
JOB NO. DOT-212
REVISION NO. 0DATE: 1-15-18
FIGURE NO. 10
NC DOT MAINTENANCE FACILITY
NEWTON, NORTH CAROLINA
GEOLOGIC CROSS-SECTION D-D'
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
BENZENE CONCENTRATION(µg/l - WATER)(mg/kg - SOIL)
NOT SAMPLED DUE TO FREE
PRODUCT
WATER TABLE ELEVATION (FT)JUNE 14, 2004
SILTY CLAY
SANDY SILT
LEGEND
2" DIA.MONITORING WELLWITH SCREENINTERVAL
4" DIA. RECOVERYWELL WITHSCREEN INTERVAL
ESTIMATED EXTENT
OF IMPACTED SOILS
MONITORING WELLSURFACE CASING(MW-1D)
SOIL BORING ANDSAMPLE LOCATION
ESTIMATED EXTENT OF
IMPACTED GROUND WATER
S:\AAA-Master Projects\NC DOT -DOT\DOT-465 Newton 2017-18 O&M\Reports\January 2018 Monitoring\Figures\Historic Cross-Sections.dwg, D-D', 1/17/2018 9:18:47 AM, zbarlow

Appendix B

Boring Logs and Well Construction Records

Appendix C

Laboratory Analytical Data for Monitoring Wells
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Appendix D

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

Appendix E

SVE Off-Gas Laboratory Analytical Results