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WithersRavenel
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115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | f: 919.467.6008 | www.withersravenel.com | License No. F‐1479
Asheville | Cary | Greensboro | Pittsboro | Raleigh | Wilmington
CORRECTIVE ACTION PERFORMANCE
REPORT (INITIAL)
WHEELER RESIDENCE
NCDEQ Incident # 96653
UST # AS‐88520
264 Bald Mountain Road
Burnsville, Yancey County, North Carolina
WithersRavenel Project No. 02220480.01
Prepared for:
State of North Carolina
Department of Environmental Quality
Division of Waste Management
Underground Storage Tank Section
Asheville Regional Office
2090 U.S. 70 Highway
Swannanoa, North Carolina 28778‐8211
Prepared by:
WithersRavenel
115 MacKenan Drive
Cary, North Carolina 27511
North Carolina Firm License No. F‐1479
October 24, 2022
WithersRavenel
Our People. Your Success.
115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | f: 919.467.6008 | www.withersravenel.com | License No. F‐1479
Asheville | Cary | Greensboro | Pittsboro | Raleigh | Wilmington
October 24, 2022
State of North Carolina
Department of Environmental Quality
Division of Waste Management‐Underground Storage Tank Section
Asheville Regional Office
2090 U.S. 70 Highway
Swannanoa, North Carolina 28778‐8211
Attn: Ms. Caroline LaFond
Re: Corrective Action Report (Initial)
Wheeler Residence
264 Bald Mountain Road
Burnsville, Yancey County, North Carolina
Groundwater Incident Number: 96653
UST Number: AS‐88520
WR Project Number: 02220480.01
Ms. LaFond,
WithersRavenel, Inc. (WR) has completed this Initial Corrective Action Performance Report to
document excavation activities completed at the site in association with proposal TA‐02, for the
above referenced site, under Contract Number N012221, approved by NCDEQ on August 4,
2022.
WR appreciates the opportunity to be of service to the Corrective Action Branch. Should you
have any questions regarding the attached, please contact us at (919) 469‐3340.
Cordially,
WithersRavenel
Flora D’Souza, CHMM Elizabeth A. Allyn, P.G.
Environmental Project Scientist II Environmental Project Geologist II
WithersRavenel
Our People. Your Success.
Wheeler Residence – NCDEQ Incident #96653 WR Project # 02220480.01
Corrective Action Performance Report (Initial) October 2022
i
TABLE OF CONTENTS
SECTION A. SITE INFORMATION ..................................................................................................................... 1
SECTION B. EXECUTIVE SUMMARY ................................................................................................................ 3
SECTION C. SITE HISTORY AND CHARACTERIZATION ............................................................................ 4
SECTION D. SITE GEOLOGY AND HYDROGEOLOGY ................................................................................ 5
SECTION E. CORRECTIVE ACTION ACTIVITIES – AUGUST 2022 .......................................................... 5
SECTION F. CONCLUSIONS AND RECOMMENDATIONS ........................................................................ 7
FIGURES
Figure 1 General Location Map
Figure 2 Site Map
Figure 3 Delineation Sample Locations Map
Figure 4 Confirmation Soil Sample Analytical Results Map
TABLES
Table B‐1 Site History: UST/AST System & Other Release Information
Table B‐3 Summary of Soil Sample Analytical Results
Table B‐3A Summary of Truck Load Sample Analytical Results
APPENDICES
Appendix A Field Notes & Photographic Record
Appendix B Disposal Manifests & Weight Tickets
Appendix C Laboratory Analytical Results
Appendix D Standard Operating Procedures
WithersRavenel
Our People. Your Success.
Wheeler Residence – NCDEQ Incident #96653 WR Project # 02220480.01
Corrective Action Performance Report (Initial) October 2022
1
SECTION A. SITE INFORMATION
1. Site Identification
Date of Report: October 24, 2022
Facility I.D.: Not Applicable
Incident No.: 96653
UST No.: AS‐88520
Site Risk: High
Site Rank: H095D
Land Use Category: Residential
Site Name: Wheeler Residence
Site Location: 264 Bald Mountain Road
Nearest City/Town: Burnsville
County: Yancey
Description of Geographical Data Point: Location of former AST
Location Method: Google Earth
Latitude: 35.992503° N
Longitude: ‐82.398542° W
2. Contact Information
AST Owner: James Boggs
Address: 624 Bald Mountain Road
Phone: 828‐208‐4833
Property Owner: James Boggs
Address: 624 Bald Mountain Road
Phone: 828‐208‐4833
Property Occupant: James Boggs
Address: 624 Bald Mountain Road
Phone: 828‐208‐4833
Consultant/Contractor: WithersRavenel
Address: 115 MacKenan Drive, Cary, NC 27511
Phone: 919‐469‐3340
Analytical Laboratory: RedLab, LLC
State Certification Number: UVF
Address:
4498 Marvin K. Moss Lane, MARBIONC Bldg.,
Suite 2003
Wilmington, NC 28409
Phone: 910‐508‐6270
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Wheeler Residence – NCDEQ Incident #96653 WR Project # 02220480.01
Corrective Action Performance Report (Initial) October 2022
3
SECTION B. EXECUTIVE SUMMARY
1. Summary of Activities Associated with Current TA
WR completed corrective action measures including the excavation and off‐site
treatment/disposal of petroleum contaminated soils at the Wheeler Residence site located at
264 Bald Mountain Road in Burnsville, Yancey County, North Carolina (Figure 1) in association
with task authorization TA‐02 under North Carolina Department of Environmental Quality
(NCDEQ) Contract #N012221. Activities associated with this TA were completed August 22‐23,
2022.
2. Soil Assessment Information
Soils
Soil samples CR‐1, CR‐2, CR‐5, and CR‐16 were collected near the location of the former
aboveground storage tank (AST) at depths of approximately 0‐6 inches in depth. Soil samples
(CR‐3 through CR‐15) were collected at depths of approximately 0‐6 inches in depth along the
unnamed tributary/drainage ditch at approximately 15 to 20 foot intervals. Approximately 2‐
inches of flowing water was present in the unnamed tributary/drainage ditch at the time of the
excavation activities. Samples CR‐1 through CR‐16 were collected to establish the extent of soil
contamination above the NCDEQ Action levels. The samples were submitted for on‐site testing
by Ultraviolet Fluorescence (UVF) by RedLab, LLC (RedLab). Laboratory analytical results for soil
samples obtained from the above‐mentioned soil samples indicated the presence of petroleum
compounds at concentrations exceeding the NCDEQ Action Levels for total petroleum
hydrocarbons (TPH) diesel range organics (DRO) in samples CR‐4 and CR‐16. The presence of
petroleum compounds at concentrations below the NCDEQ Action Levels for TPH DRO and/or
TPH gasoline range organics (GRO) were detected soil samples CR‐1, CR‐2, CR‐3, CR‐7, CR‐9,
CR‐10, CR‐11, CR‐13, CR‐14, and CR‐15. TPH DRO and GRO were not detected above
laboratory method detection limits (MDL) in soil samples CR‐5, CR‐6, CR‐8, and CR‐12. These
data were employed in determining the extents of soil excavation completed in August 2022.
A total of 14.68 tons of soil was excavated from the vicinity of the former AST and
treated/disposed off‐site. Following the removal of the petroleum impacted soil, additional
samples (CR‐17 through CR‐28) were collected at depths of 1.0 to 1.5 feet along the bottom and
side of the excavation. TPH DRO and/or TPH GRO were detected in soil samples CR‐17, CR‐18,
CR‐26, and CR‐27 at concentrations below the NCDEQ Action Level. TPH DRO and GRO were
below the laboratory MDL in soil samples CR‐19 through 25 and CR‐28.
Two soil samples (TL‐1 and TL‐2) were analyzed from the soil that was removed for off‐site
disposal. TPH‐DRO was above the NCDEQ Action Levels in TL‐1 and TL‐2.
3. Receptor Information
One water supply well (WSW) is located approximately 35 feet to the north‐northwest of the
former AST release. The AST released heating oil into an unnamed tributary/drainage ditch and
the release was approximately 500‐feet from Bald Mountain Creek. On March 7, 2022, NCDEQ
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Wheeler Residence – NCDEQ Incident #96653 WR Project # 02220480.01
Corrective Action Performance Report (Initial) October 2022
4
personnel collected a groundwater sample from the onsite water supply well. Petroleum
constituents were not identified above the laboratory MDL in the onsite WSW groundwater
sample.
According to the NC Source Water Assessment Program, managed by the NCDEQ Water
Resources Drinking Water Protection Program, the site is not located within a wellhead
protection area.
4. Remediation Activities
Based on WR’s review of historical files available for the site, the following remedial activities
have been completed at the location:
Two six‐inch diameter absorbent booms were installed along the unnamed
tributary/drainage ditch by NCDEQ Water Resources personnel on March 4, 2022.
Approximately 14.68 tons of impacted soils were removed from the vicinity of the former
AST in August 2022. Remedial activities completed in association with the current TA are
discussed in Section E of this document.
Based on currently available information, WR is unaware of additional remedial actions that have
been performed at the site.
5. Recommendations
Based on the results of the soil assessment activities, no additional assessment is recommended.
SECTION C. SITE HISTORY AND CHARACTERIZATION
The following information summarizes the site history and characterization.
1. AST Information
According to the information on the UST‐62, 24‐Hour Notification of Discharge Form, the 300‐
gallon AST was owned by Mr. James Boggs. The approximate location of the former AST is
shown on Figure 2.
2. Description of Release/General Assessment History
The following summary of the assessment history is based on WR’s review of historical files for
the subject incident including:
• A release was reported by a neighbor in March 2022.
NCDEQ personnel visited the site in March 2022 to observe the reported petroleum release.
Absorbent booms were installed along the unnamed tributary/drainage ditch by NCDEQ
Water Resources personnel on March 4, 2022. On March 7, 2022, NCDEQ personnel
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Wheeler Residence – NCDEQ Incident #96653 WR Project # 02220480.01
Corrective Action Performance Report (Initial) October 2022
5
collected a groundwater sample from the onsite WSW. Petroleum constituents were not
identified above the laboratory MDL in the onsite WSW groundwater sample.
3. Brief Description of Site Characteristics
According to the Yancey County Geographic Information System (GIS) website, the subject
property is addressed as 264 Bald Mountain Road in Burnsville, Yancey County, North Carolina.
The unnamed tributary/drainage ditch is partially located on the adjacent property to the west
and south of the subject property and is included on Figure 1. The site is currently a single‐family
residence (Figure 2). The Yancey County GIS reports that the Property Identification Number
(PIN) for the property is 989300545005000. The subject property consists of 0.938 acres and is
located in a residential area. The adjacent property to the west and south of the subject property
is identified as PIN# 989300434846000 and consists of 40.22 acres. Photographs of site
conditions observed during the August 2022 field event are included in Appendix A.
4. Information on Receptors/Potential Receptors
One water supply well is located approximately 35 feet to the north‐northwest of the former
AST release. The AST released heating oil into an unnamed tributary/drainage ditch and the
release was approximately 500‐feet from Bald Mountain Creek. NCDEQ personnel collected a
groundwater sample from the onsite WSW. Petroleum constituents were not identified above
the laboratory MDL in the onsite WSW groundwater sample.
According to the NC Source Water Assessment Program, managed by the NCDEQ Water
Resources Drinking Water Protection Program, the site is not located within a wellhead
protection area.
SECTION D. SITE GEOLOGY AND HYDROGEOLOGY
The Geologic Map of North Carolina depicts the site as underlain by “Biotite Granitic Gneiss ‐
Pinkish gray to light gray, massive to well foliated, granitic to quartz monzonitic; includes variably
mylonitized orthogneiss and paragneiss, interlayered amphibolite, calc‐silicate rock, and marble.
Includes granites of Bryson City area, Straight Fork.”
According to the United States Department of Agriculture (USDA) Natural Resources
Conservation Service (NRCS) Web Soil Survey, the source area is within the Saunook sandy loam
(8 to 15 percent slopes, stony) and Dellwood‐Reddies complex (0 to 3 percent slopes,
occasionally flooded). Soils of the Saunook sandy loam are well drained, and the parent material
is colluvium derived from igneous and metamorphic rock. The Dellwood‐Reddies complex is
moderately well drained, and the parent material is gravelly and cobbly sandy alluvium.
SECTION E. CORRECTIVE ACTION ACTIVITIES – AUGUST 2022
WR personnel, along with a crew from EVO Corporation (EVO) of Winston‐Salem, NC mobilized
to the site on August 22‐23, 2022 for the purpose of excavating petroleum contaminated soils
WithersRavenel
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Wheeler Residence – NCDEQ Incident #96653 WR Project # 02220480.01
Corrective Action Performance Report (Initial) October 2022
6
from the area around the former leaking AST and along the unnamed tributary/drainage ditch.
Approximately 2‐inches of flowing water was present in the unnamed tributary/drainage ditch at
the time of the excavation activities. Prior to the start of site work, EVO contacted NC One‐Call
for the purposes of having buried utilities marked to ensure that no utilities would be affected
within the area of excavation. In addition, EVO contracted a private utility location service to
clear utilities in the areas excavated.
Samples CR‐1 through CR‐16 were collected to delineate the extent of soil contamination above
the NCDEQ Action levels (Figure 3). Targeted excavation of petroleum contaminated soils in an
area measuring approximately 75‐ft long by 10‐ft wide to a depth of 1.0 to 1.5 ft. Soils were
excavated from the area utilizing a track hoe excavator, and soils removed from the location
were stockpiled on August 22, 2022 and loaded into a dump trailer for off‐site
treatment/disposal at EVO’s NCDEQ Permitted treatment facility (NCDEQ Permit #
SRU400009) located in Winston‐Salem, NC. A total of 14.68‐tons of contaminated soil were
transported and disposed of by EVO. Certificates of disposal, material manifests and weight
tickets are included in Appendix B. The lateral extents of the excavation and confirmatory
sample locations (discussed below) are shown on Figure 4. In association with soil disposal,
representative samples for each truckload of soil were submitted to RedLab for on‐site analysis
of TPH‐GRO and TPH‐DRO by UVF Methods. A summary of truck load sample analytical results
is presented in Table B‐3A.
1. Confirmation Sampling
WR collected soil samples (CR‐17 through CR‐28) at depths of 1.0 to 1.5 feet along the bottom
and side of the excavation at the locations shown on Figure 4. Soil samples were collected from
the track hoe bucket and submitted to RedLab for on‐site analysis of TPH‐GRO and TPH‐DRO
by UVF Methods.
Following sample collection, the excavation was graded to smooth out the surface of the banks
of the unnamed tributary/drainage ditch.
2. Confirmation Sample Results
On‐site UVF testing of the confirmation soil samples indicated the presence of TPH DRO and/or
TPH GRO in soil samples CR‐17, CR‐18, CR‐26, and CR‐27 at concentrations below the NCDEQ
Action Levels. TPH DRO and GRO were below the laboratory MDL in soil samples CR‐19
through 25 and CR‐28.
A summary of the soil sample analytical results is presented in Table B‐3. Copies of the
laboratory analytical reports are included in Appendix C. WR’s standard operating procedures
are included in Appendix D.
WithersRavenel
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Wheeler Residence – NCDEQ Incident #96653 WR Project # 02220480.01
Corrective Action Performance Report (Initial) October 2022
7
SECTION F. CONCLUSIONS AND RECOMMENDATIONS
This report documents the results of field activities conducted at the site for task authorization
TA‐02, which included the excavation of soils around the former and along the unnamed
tributary/drainage ditch to Bald Mountain Creek. Conclusions based on observations, analytical
data and research relating to the release at the site combined with historical information include
the following:
The site is currently a single‐family residence occupied by Jason Boggs.
One water supply well was identified on the site at approximately 35 feet to the north‐
northwest of the release area.
Bald Mountain Creek was identified within 500 feet of the release area.
Excavation of petroleum contaminated soils in August 2022 included the transport and off‐
site treatment/disposal of a total of 14.68‐tons of impacted soils.
Laboratory results for soil samples collected along the bottom and side of the area excavated
did not report petroleum constituents at concentrations exceeding NCDEQ Action Levels.
Based on the results of the soil assessment activities, no additional assessment is recommended.
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FIGURES
KBB
FD
DRAWN BY:
09/20/2022 02220480.01
1
SCALE:FIGURE NO.:
PROJECT NO.:DATE:APPROVED BY:
GENERAL LOCATION MAP
1"=500 '
GRAPHIC SCALE
1 inch = 500 ft.
0 500250 1000
WithersRavenel
Engineers | Planners | Surveyors
115 MacKenan Drive | Cary, NC 27511 | t: 919.469.3340 | license #: F-1479
www.withersravenel.com
SUBJECT SITE
± 0.938 ACRE
(CALCULATED)
K:\22\22-0480\220480.01-NCDEQ - Wheeler Residence - 96653\Enviro\CAD\TF96653 BASE 09-20-2022.dwg- September 20, 2022 - KBUCHANAN
WHEELER RESIDENCE
INCIDENT # 96653
624 BALD MOUNTAIN CREEK ROAD
BURNSVILLE, YANCY COUNTY, NC
BALD MOUNTAIN ROADAPPROXIMATE CENTERLINE
DRAINAGE DITCH
APPROXIMATE FORMER
LOCATION - KEROSENE AST
WHEELER RESIDENCE2-STORY FRAMESTRUCTUREBARN KBBFDDRAWN BY:09/14/202202220480.012SCALE:FIGURE NO.:PROJECT NO.:DATE:APPROVED BY:SITE MAPWithersRavenelEngineers | Planners | Surveyors115 MacKenan Drive | Cary, NC 27511 | t: 919.469.3340license #: F-1479 | www.withersravenel.comK:\22\22-0480\220480.01-NCDEQ - Wheeler Residence - 96653\Enviro\CAD\TF96653 BASE 09-12-2022.dwg- September 14, 2022 - KBUCHANAN1"=50 'WHEELER RESIDENCEINCIDENT # 96653624 BALD MOUNTAIN CREEK ROADBURNSVILLE, YANCY COUNTY, NCLEGEND
NOTES:
1. AERIAL PHOTOGRAPH AND PROPERTY LINES OBTAINED FROM
THE YANCEY COUNTY GIS DEPARTMENT.
2. PROPERTY LINES SHOWN APPEAR APPROXIMATELY 20-FT
NORTHEAST OF ACTUAL LOCATIONS.
GRAPHIC SCALE
1 inch = 50 ft.
5025 1000
D MOUNTAIN ROADAPPROXIMATE CENTERLINE
DRAINAGE DITCH
APPROXIMATE FORMER
LOCATION - KEROSENE AST WHEELER RESIDENCE2-STORY FRAMESTRUCTUREBARN
CR-2
CR-3
CR-5
CR-6
CR-8
CR-9
CR-10
CR-11 CR-12 CR-13 CR-14 CR-15
CR-4CR-7
CR-1 KBBFDDRAWN BY:09/20/202202220480.013SCALE:FIGURE NO.:PROJECT NO.:DATE:APPROVED BY:DELINEATION SAMPLELOCATIONSWithersRavenelEngineers | Planners | Surveyors115 MacKenan Drive | Cary, NC 27511 | t: 919.469.3340license #: F-1479 | www.withersravenel.comK:\22\22-0480\220480.01-NCDEQ - Wheeler Residence - 96653\Enviro\CAD\TF96653 BASE 09-20-2022.dwg- September 20, 2022 - KBUCHANAN1"=30 'WHEELER RESIDENCEINCIDENT # 96653624 BALD MOUNTAIN CREEK ROADBURNSVILLE, YANCY COUNTY, NCLEGEND
DELINEATION SAMPLE LOCATION
NOTES:
1. AERIAL PHOTOGRAPH AND PROPERTY LINES OBTAINED FROM
THE YANCEY COUNTY GIS DEPARTMENT.
2. PROPERTY LINES SHOWN APPEAR APPROXIMATELY 20-FT
NORTHEAST OF ACTUAL LOCATIONS.
GRAPHIC SCALE
1 inch = 30 ft.
3015 600
APPROXIMATE FORMER
LOCATION - KEROSENE AST
EXTENT OF SOIL
EXCAVATIONWHEELER RESIDENCE2-STORY FRAMESTRUCTUREAPPROXIMATE CENTERLINE
DRAINAGE DITCH
CR-28
CR-27
CR-26
CR-25
CR-23
CR-24CR-21
CR-20
CR-18
CR-19
CR-17
CR-16
CR-22 KBBFDDRAWN BY:09/20/202202220480.014SCALE:FIGURE NO.:PROJECT NO.:DATE:APPROVED BY:EXCAVATION AND SOILSAMPLE LOCATIONSWithersRavenelEngineers | Planners | Surveyors115 MacKenan Drive | Cary, NC 27511 | t: 919.469.3340license #: F-1479 | www.withersravenel.comK:\22\22-0480\220480.01-NCDEQ - Wheeler Residence - 96653\Enviro\CAD\TF96653 BASE 09-20-2022.dwg- September 20, 2022 - KBUCHANAN1"=10 'LEGEND
CONFIRMATION SAMPLE LOCATION
NOTES:
1. AERIAL PHOTOGRAPH AND PROPERTY LINES OBTAINED FROM
THE YANCEY COUNTY GIS DEPARTMENT.
2. PROPERTY LINES SHOWN APPEAR APPROXIMATELY 20-FT
NORTHEAST OF ACTUAL LOCATIONS.WHEELER RESIDENCEINCIDENT # 96653624 BALD MOUNTAIN CREEK ROADBURNSVILLE, YANCY COUNTY, NCGRAPHIC SCALE
1 inch = 10 ft.
105 200
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TABLES
UST ID
Number
Current/Last
Contents
Previous
Contents
Capacity
(in gallons)
Construction
Details
Tank
Dimensions
(diameter x
length) (ft)
Description of
Associated
Piping & Pumps
Date of Tank
Installation
Status of
UST
Was release
associated with
UST System?
(Y/N)
AST ID
Number
Current/Last
Contents
Previous
Contents
Capacity
(in gallons)
Construction
Details
Tank
Dimensions
(diameter x
length) (ft)
Description of
Associated
Piping & Pumps
Date of Tank
Installation
Status of
AST
Was release
associated with
AST System?
(Y/N)
1 Kerosene Kerosene 300 Steel 3 x 5 Unknown Unknown Not in use Y
Incident
Number
Material
Released
Date
of
Release
Incident # 96653 Kerosene Discovered
3/4/2022
Notes:1)
Table B-1
Site History: UST/AST System & Other Release Information
Wheeler Residence
Leak from shut-off valve on AST. LNAPL was observed by NCDEQ in the onsite unnamed tributary to Bald Mountain Creek.
264 Bald Mountain RoadBurnsville, Yancey County, NC
Not Applicable
Information for USTs from historical site information.
Incident # 96653
Description of Release
Page 1 of 1
CR‐1 8/22/2022 0.8 <0.26 0.26
CR‐2 8/22/2022 5.0 0.54 0.96
CR‐3 8/22/2022 164.6 13.7 58.9
CR‐4 8/22/2022 188.3 46 205
CR‐5 8/22/2022 5.5 <0.38 <0.38
CR‐6 8/22/2022 8.6 <0.33 <0.33
CR‐7 8/22/2022 4.6 1.4 0.51
CR‐8 8/22/2022 4.2 <0.26 <0.26
CR‐9 8/22/2022 8.7 1.4 0.73
CR‐10 8/22/2022 1.9 <0.37 0.37
CR‐11 8/22/2022 64.5 9.4 65.7
CR‐12 8/22/2022 4.7 <0.31 <0.31
CR‐13 8/22/2022 0.8 <0.34 0.77
CR‐14 8/22/2022 4.5 <0.34 0.79
CR‐15 8/22/2022 3.4 <0.27 0.72
CR‐16 8/23/2022 143.8 26.2 191.5
CR‐17 8/23/2022 3.9 1.9 <0.34
CR‐18 8/23/2022 5.2 1.7 0.82
CR‐19 8/23/2022 2.6 <0.39 <0.39
CR‐20 8/23/2022 1.7 <0.45 <0.45
CR‐21 8/23/2022 1.3 <0.34 <0.34
CR‐22 8/23/2022 2.1 <0.55 <0.55
CR‐23 8/23/2022 0.9 <0.46 <0.46
CR‐24 8/23/2022 1.4 <0.42 <0.42
CR‐25 8/23/2022 1.0 <0.34 <0.34
CR‐26 8/23/2022 2.3 0.46 0.46
CR‐27 8/23/2022 0.8 <0.45 0.45
CR‐28 8/23/2022 1.1 <0.39 <0.39
50 100
Notes:
1)
Result = Result Exceeds Laboratory Detection Limits
Result = Result Exceeds NCDEQ Action Level
264 Bald Mountain Road
Burnsville, Yancey County, NC
Analytical Method UVF
All results provided in mg/kg (milligrams per kilogram) or parts per million.
NCDEQ Action Level
Date
Collected
Sample
ID
Total Petroleum Hydrocarbons ‐ Diesel Range OrganicsTotal Petroleum Hydrocarbons ‐ Gasoline Range OrganicsOrganic Vapor Analysis Reading TABLE B‐3
SUMMARY OF SOIL ANALYTICAL RESULTS
Wheeler Residence
Incident # 96653
Page 1 of 1
Sample
ID
Date
Collected
TL‐1 219 8/23/2022 136.5 14.2 106.9
TL‐2 219 8/23/2022 151.2 38.8 166.3
50 100
Notes:
1) All results provided in mg/kg (milligrams per kilogram) or parts per million.
Result = Result Exceeds Laboratory Detection Limits
Result = Result Exceeds NCDEQ Action Level
Truck Number
UVFAnalytical Method
NCDEQ Action Level Organic Vapor Analysis Reading Total Petroleum Hydrocarbons ‐ Gasoline Range OrganicsTotal Petroleum Hydrocarbons ‐ Diesel Range OrganicsTABLE B‐3A
SUMMARY OF TRUCK LOAD SAMPLE ANALYTICAL RESULTS
Wheeler Residence
Incident # 96653
264 Bald Mountain Road
Burnsville, Yancey County, NC
Page 1 of 1
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APPENDIX A FIELD NOTES & PHOTOGRAPHIC RECORD
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PHOTO 1 General Site Photograph
PHOTO 2 Western End of Excavation Area
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PHOTO 3 View of Excavation Area Looking East
PHOTO 4 View of Excavation Looking West
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PHOTO 5 View of Absorbent Boom
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APPENDIX B WASTE DISPOSAL MANIFESTS & WEIGHT TICKETS
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APPENDIX C
LABORATORY ANALYTICAL RESULTS & CHAIN-OF-CUSTODY
Hydrocarbon Analysis Results
Client:WITHERSRAVENEL Samples taken Monday, August 22, 2022
Address:BURNSVILLE, NC Samples extracted Monday, August 22, 2022
Samples analysed Monday, August 22, 2022
Contact:FLORA D'SOUZA Operator TORI KELLY
Project:WHEELER RESIDENCE
3 U04049
Matrix Sample ID Dilution
used
BTEX
(C6 - C9)
GRO
(C5 - C10)
DRO
(C10 - C35)
TPH
(C5 - C35)
Total
Aromatics
(C10-C35)
16 EPA
PAHs BaP HC Fingerprint Match
% light % mid %
heavy
s CR-1 12:03 10.3 <0.26 <0.26 0.26 0.26 0.21 <0.08 <0.01 0 54.2 45.8 Deg.PHC 54%,(FCM),(BO)
s CR-2 12:04 11.7 <0.29 0.54 0.96 1.5 0.6 <0.09 <0.012 76.6 18.6 4.8 Deg.Fuel 80.1%,(FCM),(BO)
s CR-3 12:07 9.2 <0.23 13.7 58.9 72.6 3.8 0.15 <0.009 98.5 0.8 0.7 Deg.Kerosene 66.6%,(FCM),(BO)
Initial Calibrator QC check OK Final FCM QC Check OK 107.8 %
Results generated by a QED HC-1 analyser. Concentration values in mg/kg for soil samples and mg/L for water samples. Soil values are not corrected for moisture or stone content
Fingerprints provide a tentative hydrocarbon identification. The abbreviations are:- FCM = Results calculated using Fundamental Calibration Mode : % = confidence for sample fingerprint match to library
(SBS) or (LBS) = Site Specific or Library Background Subtraction applied to result : (PFM) = Poor Fingerprint Match : (T) = Turbid : (P) = Particulate present
Ratios
Hydrocarbon Analysis Results
Client:WITHERSRAVENEL Samples taken Monday, August 22, 2022
Address:BURNSVILLE, NC Samples extracted Monday, August 22, 2022
Samples analysed Monday, August 22, 2022
Contact:FLORA D'SOUZA Operator TORI KELLY
Project:WHEELER RESIDENCE
5 U04049
Matrix Sample ID Dilution
used
BTEX
(C6 - C9)
GRO
(C5 - C10)
DRO
(C10 - C35)
TPH
(C5 - C35)
Total
Aromatics
(C10-C35)
16 EPA
PAHs BaP HC Fingerprint Match
% light % mid %
heavy
s CR-4 12:42 11.9 19.8 46 205 251 16.4 0.63 <0.012 99 0.9 0.2 Deg.Kerosene + V.Deg.Gas + V.Deg.Gas 74.1%,(FCM)
s CR-5 12:44 15.2 <0.38 <0.38 <0.38 <0.38 <0.08 <0.12 <0.015 0 38 62 Residual HC
Initial Calibrator QC check OK Final FCM QC Check OK 102.8 %
Results generated by a QED HC-1 analyser. Concentration values in mg/kg for soil samples and mg/L for water samples. Soil values are not corrected for moisture or stone content
Fingerprints provide a tentative hydrocarbon identification. The abbreviations are:- FCM = Results calculated using Fundamental Calibration Mode : % = confidence for sample fingerprint match to library
(SBS) or (LBS) = Site Specific or Library Background Subtraction applied to result : (PFM) = Poor Fingerprint Match : (T) = Turbid : (P) = Particulate present
Ratios
Hydrocarbon Analysis Results
Client:WITHERSRAVENEL Samples taken Monday, August 22, 2022
Address:BURNSVILLE, NC Samples extracted Monday, August 22, 2022
Samples analysed Monday, August 22, 2022
Contact:FLORA D'SOUZ Operator TORI KELLY
Project:WHEELER RESIDENCE
11 U04049
Matrix Sample ID Dilution
used
BTEX
(C6 - C9)
GRO
(C5 - C10)
DRO
(C10 - C35)
TPH
(C5 - C35)
Total
Aromatics
(C10-C35)
16 EPA
PAHs BaP HC Fingerprint Match
% light % mid %
heavy
s CR-6 2:45 13.3 <0.33 <0.33 <0.33 0.35 0.35 <0.11 <0.013 0 47.6 52.4 Residual HC,(BO)
s CR-7 2:50 20.5 <1 1.4 0.51 1.91 0.41 <0.16 <0.02 90.2 6.8 3 Deg.Gas,(FCM)
s CR-8 2:54 10.5 <0.26 <0.26 <0.26 <0.26 <0.05 <0.08 <0.011 0 64.5 35.5 Residual HC
s CR-9 2:55 10.1 <0.25 1.4 0.73 2.13 0.35 <0.08 <0.01 84.4 12.9 2.8 V.Deg.PHC 78%,(FCM)
s CR-10 3:02 14.6 <0.37 <0.37 0.37 0.37 0.36 <0.12 <0.015 0 25.9 74.1 No Match found
s CR-11 3:04 7.2 <0.18 9.4 65.7 75.1 4.2 0.16 <0.007 98.5 1.2 0.3 Deg.Kerosene 75.8%,(FCM),(BO)
s CR-12 3:09 12.5 <0.31 <0.31 <0.31 <0.31 <0.06 <0.1 <0.013 0 88.2 11.8 Residual HC
s CR-13 3:11 13.5 <0.34 <0.34 0.77 0.77 0.73 <0.11 <0.013 0 0.6 99.4 No Match found
s CR-14 3:17 13.5 <0.34 <0.34 0.79 0.79 0.75 <0.11 <0.014 0 13.7 86.3 No Match found
s CR-15 3:18 10.7 <0.27 <0.27 0.72 0.72 0.68 <0.09 <0.011 0 9.2 90.8 No Match found
Initial Calibrator QC check OK Final FCM QC Check OK 97.6 %
Results generated by a QED HC-1 analyser. Concentration values in mg/kg for soil samples and mg/L for water samples. Soil values are not corrected for moisture or stone content
Fingerprints provide a tentative hydrocarbon identification. The abbreviations are:- FCM = Results calculated using Fundamental Calibration Mode : % = confidence for sample fingerprint match to library
(SBS) or (LBS) = Site Specific or Library Background Subtraction applied to result : (PFM) = Poor Fingerprint Match : (T) = Turbid : (P) = Particulate present
Ratios
Hydrocarbon Analysis Results
Client:WITHERSRAVENEL Samples taken Tuesday, August 23, 2022
Address:BURNSVILLE, NC Samples extracted Tuesday, August 23, 2022
Samples analysed Tuesday, August 23, 2022
Contact:FLORA D'SOUZA Operator TORI KELLY
Project:WHEELER RESIDENCE
1 U04049
Matrix Sample ID Dilution
used
BTEX
(C6 - C9)
GRO
(C5 - C10)
DRO
(C10 - C35)
TPH
(C5 - C35)
Total
Aromatics
(C10-C35)
16 EPA
PAHs BaP HC Fingerprint Match
% light % mid %
heavy
s TL-1 10:47 12.7 <0.32 14.2 106.9 121.1 7 0.27 <0.013 98 1.4 0.6 Deg.Kerosene 71%,(FCM),(BO)
Initial Calibrator QC check OK Final FCM QC Check OK 94.9 %
Results generated by a QED HC-1 analyser. Concentration values in mg/kg for soil samples and mg/L for water samples. Soil values are not corrected for moisture or stone content
Fingerprints provide a tentative hydrocarbon identification. The abbreviations are:- FCM = Results calculated using Fundamental Calibration Mode : % = confidence for sample fingerprint match to library
(SBS) or (LBS) = Site Specific or Library Background Subtraction applied to result : (PFM) = Poor Fingerprint Match : (T) = Turbid : (P) = Particulate present
Ratios
Hydrocarbon Analysis Results
Client:WITHERSRAVENEL Samples taken Tuesday, August 23, 2022
Address:BURNSVILLE, NC Samples extracted Tuesday, August 23, 2022
Samples analysed Tuesday, August 23, 2022
Contact:FLORA D'SOUZA Operator TORI KELLY
Project:WHEELER RESIDENCE
11 U04049
Matrix Sample ID Dilution
used
BTEX
(C6 - C9)
GRO
(C5 - C10)
DRO
(C10 - C35)
TPH
(C5 - C35)
Total
Aromatics
(C10-C35)
16 EPA
PAHs BaP HC Fingerprint Match
% light % mid %
heavy
s TL-2 11:43 11.7 7.2 38.8 166.3 205.1 12.3 0.47 <0.012 98.9 0.8 0.2 Deg.Kerosene 85.1%,(FCM)
s CR-16 12:28 17.6 <0.44 26.2 191.5 217.7 13.9 0.54 <0.018 97.8 1.5 0.6 Deg.Kerosene 71.4%,(FCM)
s CR-17 12:35 13.5 <0.34 1.9 <0.34 1.9 0.39 <0.11 <0.014 94 3 3 V.Deg.PHC 68%,(FCM)
s CR-18 12:37 14.2 <0.36 1.7 0.82 2.52 0.71 <0.11 <0.014 91.7 4.2 4.1 Deg.Fuel 74%,(FCM),(BO)
s CR-19 12:38 15.8 <0.39 <0.39 <0.39 <0.39 <0.08 <0.13 <0.016 0 47.5 52.5 Residual HC
s CR-20 12:39 17.9 <0.45 <0.45 <0.45 <0.45 <0.09 <0.14 <0.018 0 54.9 45.1 Residual HC
s CR-21 12:40 13.6 <0.34 <0.34 <0.34 0.34 0.34 <0.11 <0.014 0 43 57 Residual HC,(BO)
s CR-22 12:45 22.0 <0.55 <0.55 <0.55 <0.55 <0.11 <0.18 <0.022 0 0 0 PHC not detected,(P)
s CR-23 12:46 18.3 <0.46 <0.46 <0.46 <0.46 <0.09 <0.15 <0.018 0 0 0 PHC not detected
s CR-24 12:47 17.0 <0.42 <0.42 <0.42 <0.42 <0.08 <0.14 <0.017 0 0 0 PHC not detected
Initial Calibrator QC check OK Final FCM QC Check OK 94.3 %
Results generated by a QED HC-1 analyser. Concentration values in mg/kg for soil samples and mg/L for water samples. Soil values are not corrected for moisture or stone content
Fingerprints provide a tentative hydrocarbon identification. The abbreviations are:- FCM = Results calculated using Fundamental Calibration Mode : % = confidence for sample fingerprint match to library
(SBS) or (LBS) = Site Specific or Library Background Subtraction applied to result : (PFM) = Poor Fingerprint Match : (T) = Turbid : (P) = Particulate present
Ratios
Hydrocarbon Analysis Results
Client:WITHERSRAVENEL Samples taken Tuesday, August 23, 2022
Address:BURNSVILLE, NC Samples extracted Tuesday, August 23, 2022
Samples analysed Tuesday, August 23, 2022
Contact:FLORA D'SOUZA Operator TORI KELLY
Project:WHEELER RESIDENCE
16 U04049
Matrix Sample ID Dilution
used
BTEX
(C6 - C9)
GRO
(C5 - C10)
DRO
(C10 - C35)
TPH
(C5 - C35)
Total
Aromatics
(C10-C35)
16 EPA
PAHs BaP HC Fingerprint Match
% light % mid %
heavy
s CR-25 1:07 13.4 <0.34 <0.34 <0.34 0.29 0.29 <0.11 <0.013 0 41.4 58.6 Residual HC
s CR-26 1:09 18.4 <0.46 <0.46 0.46 0.46 0.36 <0.15 <0.018 0 37.3 62.7 V.Deg.PHC 71.6%,(FCM)
s CR-27 1:11 17.9 <0.45 <0.45 0.45 0.45 0.31 <0.14 <0.018 0 28.2 71.8 V.Deg.PHC 66%,(FCM)
s CR-28 1:12 15.7 <0.39 <0.39 <0.39 0.34 0.34 <0.13 <0.016 0 41.5 58.5 Residual HC
Initial Calibrator QC check OK Final FCM QC Check OK 114.3 %
Results generated by a QED HC-1 analyser. Concentration values in mg/kg for soil samples and mg/L for water samples. Soil values are not corrected for moisture or stone content
Fingerprints provide a tentative hydrocarbon identification. The abbreviations are:- FCM = Results calculated using Fundamental Calibration Mode : % = confidence for sample fingerprint match to library
(SBS) or (LBS) = Site Specific or Library Background Subtraction applied to result : (PFM) = Poor Fingerprint Match : (T) = Turbid : (P) = Particulate present
Ratios
WithersRavenel
Our People. Your Success.
APPENDIX D STANDARD OPERATING PROCEDURES
Generalized Standard Operating Procedures (Not All Inclusive)
WithersRavenel
Our People. Your Success.
Soil Sampling, Soil Boring and Monitor Well Installation, Well Development Soil borings are installed utilizing a stainless-steel hand auger, direct-push hydraulic drill or auger rotary
drill using either a macro core™ sampler, hollow stem augers, or air rotary roller cone bit. Soil borings are
typically sampled at discrete intervals from the bucket of a clean stainless steel hand auger, direct push stainless steel sampler with acetate sleeve, or a split barrel sampler. When appropriate, soil samples may be collected from drill cuttings associated with the boring or well installation. Monitor wells are constructed within select soil borings of one, two, or four-inch inside diameter PVC
casing and machine slotted screen in accordance with NCAC Title 15A, Subchapter 02C (Well Construction Standards, Criteria and Standards Applicable to Water Supply and Certain Other Wells). Clean-washed “#2 Torpedo Sand” is typically utilized to fill the boring annulus surrounding the well screen, extending to a minimum of 1-foot above the well screen. A minimum 1-foot thick bentonite clay seal is emplaced above the sand pack and hydrated. Neat cement grout is placed in the remaining annulus
space from the upper portion of the bentonite seal to within 1-foot of surface grade. In coastal plain areas where shallow groundwater is encountered, a variance to construction standards may be employed to ensure the upper portion of the well screen intersects the upper aquifer surface. Wellheads may be completed with either concrete-set flush mounted traffic-bearing steel skirted manholes with bolt down covers or steel above-ground “stick-up” well protectors set in a concrete pad. The monitoring wells are
secured with locking caps. Temporary wells or piezometers may be completed with the PVC riser cut at or above grade, and are abandoned within 24-hours of their installation. Wells may be developed using a bailer, electric submersible pump, pneumatic pump, or peristaltic pump, dependent upon site conditions. When wells are developed by the driller, they may be developed with
any of the methods outlined above, in addition to air or water injection. Soil boring logs and well construction details are typically prepared for presentation in a report appendix. Borings completed in bedrock may be drilled using air rotary, coring, or sonic drilling methods. Groundwater Depth to Water Measurements
Groundwater level measurements are typically obtained using an electronic water level indicator which registers a tone and/or illuminated light when the probe contacts groundwater. Depth to groundwater measurements are obtained by lowering the probe attached to a cable usually marked in 0.01 foot intervals into the well until the probe of the meter intersects the water surface. The measurement from
the top of the riser pipe or top of casing (TOC) to the water level is recorded to the nearest 0.01 foot. The
electronic water level indicator probe and exposed probe cable is decontaminated between measurement locations.
Generalized Standard Operating Procedures (Not All Inclusive)
WithersRavenel
Our People. Your Success.
Free Product Level Measurements Light Non-Aqueous Phase Liquid (LNAPL) or “free product” present on the water table is measured using
an electronic oil/water interface probe. The interface probe has both an audible and illuminating light
that indicate when a liquid level is encountered. The oil/water interface probe registers a solid tone and solidly lit light when LNAPL petroleum product is encountered and a beeping tone flashing light when groundwater is encountered. Depth to LNAPL measurements are obtained by lowering the probe attached to a cable marked in 0.01 foot intervals into the well until the probe of the meter intersects the product or groundwater. The measurements from the top of the riser pipe or TOC to the liquid level are
recorded to the nearest 0.01 foot. The thickness of LNAPL is calculated by subtracting the depth to LNAPL measurement from the depth to groundwater measurement. The electronic interface probe is decontaminated between measurement locations. Soil Sampling and Field Screening
Soil sampling is performed in general accordance with ASTM: 1586-84 where applicable. Sampling procedures are followed to protect the chemical integrity of the soil samples and minimize the potential for cross contamination between sample locations, including discarding of the exterior of the sample which contacts the auger bucket, acetate sleeve, or split barrel sampler, the use of stainless steel sampling
equipment, and the thorough decontamination of sampling apparatus prior to use and between sample locations. Soil samples retained as a part of excavation or other intrusive “digging” activities may be collected from the bucket of excavation equipment or using a hand shovel, if appropriate. Care to collect soil samples
from excavation equipment includes retrieving native soil from material that has not made contact with the excavating equipment. Samples are collected in sealable bags or by directly filling sample containers as described above. Sampling is performed using new, disposable nitrile gloves for each sample location to ensure sample
integrity and minimize the potential for cross contamination or field personnel exposure to contaminants.
Sampling equipment such as hand auger extensions and buckets, direct push samplers, split spoons or shovels, are decontaminated prior to their use in the collection of samples. Samples are placed within laboratory grade sample containers provided by the laboratory to which the
samples are submitted, labeled, sealed, and placed in an ice filled cooler. An aliquot of the sample is
typically placed in a clean sealable bag and allowed to reach ambient air temperature for future screening of volatile vapor content with a photoionization detector (PID), flame-ionization detector (FID) or other portable screening device.
Screening of samples with a PID, FID or other field screening device is performed in accordance with
device manufacturer specifications for screening, following calibration of the instrument based on manufacturer recommended procedures.
Generalized Standard Operating Procedures (Not All Inclusive)
WithersRavenel
Our People. Your Success.
Groundwater Sampling Groundwater samples are generally collected using one of three standard methods – through the use of a
dedicated, disposable bailer, a peristaltic pump or submersible electric pump.
When sampling with a bailer, a minimum of three well volumes of groundwater are extracted from the well as a means of purging, unless the well is purged to a “dry” state prior to the removal of three volumes of water. Prior to collection of the groundwater sample with the bailer, the water level is allowed to recover to within 80% of the original level measured prior to purging.
When sampling with a peristaltic or submersible electric pump, polyethylene (PE) tubing (or equivalent) is emplaced into the screened section of the monitoring well, and the pump is used to extract water through the tubing. When using the either of these methods, general water quality measurements including but not limited to pH, temperature, dissolved oxygen (DO), oxygen reductive potential (ORP), specific
conductivity and turbidity may be used as methods for determining when an adequate purge of the well has been conducted. When water quality parameters are measured, the resulting data are included in well purge forms or field notes specific to each site and sampling point. Following the purging of three well volumes of groundwater (in the case of the bailed well) or stability of
monitored measurements (in the case of the peristaltic or submersible electric pump), the groundwater sample(s) are introduced directly into sample containers provided by the laboratory to which samples are ultimately submitted for analysis. Any samples requiring chemical preservation are contained in pre-preserved container(s) provided by the laboratory.
Sampling is performed using new, disposable nitrile gloves for each sample location to ensure sample integrity and minimize the potential for cross contamination of samples or field personnel exposure to contaminants. Water Supply Well Sampling
Sampling of water supply wells is accomplished through the collection of a representative sample from an in-line water tap or other point accessible for sampling. Where possible, the sample is collected from a point prior to any filtration or point of entry (POE) system which might be installed on a well. In some cases, samples will be collected from both pre and post-POE locations. Prior to the collection of samples
through an in-place sampling point, the tap or sampling port is cleaned with an Alconox® and deionized
water solution, rinsed with deionized water, and again with an isopropyl alcohol (IPA) rinse. In the case of active supply wells (e.g., a well with a useable well pump with an active power supply), the well pump is energized and allowed to run for a minimum of ten (10) minutes time, after which a sample is
contained in laboratory grade sample containers as described in the previous section. Water quality
parameters may be (but are not necessarily) measured in association with the well purging. Supply wells without active power supplies are not generally sampled, as the well seal cannot be compromised by individuals not certified as a well contractor. However, in the case of a well with no
power supply or pump installed, samples could be obtained through the use of a bailer, peristaltic pump or
electric submersible pump.
Generalized Standard Operating Procedures (Not All Inclusive)
WithersRavenel
Our People. Your Success.
Decontamination Procedures Decontamination procedures employed in the performance of field activities will vary dependent upon
the method(s) of sampling performed at any site, but will generally include the following:
• Remove excess soil/sludge from any sampling equipment as needed, • Wash and scrub the equipment with a phosphate-free detergent such as Alconox® or Liquinox® in a contaminant-free tap water solution. Use a brush to remove particulate matter and surface films as necessary,
• Rinse thoroughly with tap water, • Rinse thoroughly with analyte-free water (deionized water),
Rinse thoroughly with isopropyl alcohol, • Allow the equipment to air dry,
• Prevent inadvertent contamination during storage and transport (accomplished through storage of equipment in foil or plastic bags/sheeting). In the case of disposable bailers and tubing utilized for the purging and sampling of wells, these items may be decontaminated prior to their disposal. In general, no decontamination of these items is necessary
prior to their use in sampling.