WI-27807_47115_CA_FPR_20230221

February 21, 2023

Mr. Don McIver
Quality Oil Company, LLC
1540 Silas Creek Parkway
Winston-Salem, North Carolina 27127

Subject: Free Product Recovery Report GoGas No. 14 415 US Highway 117 Burgaw, Pender County, North Carolina Progress Project No. QUA403N.GW Incident No. 47115

Dear Mr. McIver:

Progress Environmental Group, Inc. (Progress) is pleased to submit this Free Product
Recovery Report for the GoGas No. 14 located at 415 U.S. Highway 117 in Burgaw, Pender
County, North Carolina. The completion of a Free Product Recovery Report was required
based on the presence of free product during the most recent groundwater sampling event
(Progress Project No. QUA403N.GW, dated December 1, 2022).

This report is intended for the use of Quality Oil Company, LLC, only. The contents should
not be relied upon by other parties without the express written consent of Progress. The
findings are relevant to the dates of our site work and should not be relied upon to represent
site conditions on other dates.

If you have any questions, please do not hesitate to contact us at [phone].

Sincerely,

PROGRESS ENVIRONMENTAL GROUP, INC.

Joseph S. Lawson, III Jeffrey A. Ballsieper, L.G.
Director of Ecological Services Director of Environmental Services

Attachments: Figures, Tables, Field Notes, and Disposal Manifest

February 21, 2023

Ms. Liz Price
North Carolina Department of Environmental Quality
UST Section
127 Cardinal Drive Extension
Wilmington, North Carolina 28403

Subject: Free Product Recovery Report GoGas No. 14 415 US Highway 117 Burgaw, Pender County, North Carolina Progress Project No. QUA403N.GW Incident No. 47115

Dear Ms. Price:

Progress Environmental Group, Inc. (Progress) is pleased to submit this Free Product
Recovery Report for the GoGas No. 14 located at 415 U.S. Highway 117 in Burgaw, Pender
County, North Carolina. The completion of a Free Product Recovery Report was required
based on the presence of free product during the most recent groundwater sampling event
(Progress Project No. QUA403N.GW, dated December 1, 2022).

This report is intended for the use of Quality Oil Company, LLC, only. The contents should
not be relied upon by other parties without the express written consent of Progress. The
findings are relevant to the dates of our site work and should not be relied upon to represent
site conditions on other dates.

If you have any questions, please do not hesitate to contact us at [phone].

Sincerely,

PROGRESS ENVIRONMENTAL GROUP, INC.

Joseph S. Lawson, III Jeffrey A. Ballsieper, L.G.
Director of Ecological Services Director of Environmental Services

Attachments: Figures, Tables, Field Notes, and Disposal Manifest

Free Product Recovery Report
A. SITE IDENTIFICATION
Date of Report: February 21, 2023
Facility I.D.: 00-0-0000032629
UST Incident Number (if known): 47115
Site Name: GoGas No. 14
Site Location: 415 US Highway 117, Burgaw, North Carolina 28425

Nearest City/Town: Burgaw, North Carolina County: Pender

UST Owner: Quality Oil Company, LLC
Address: 1540 Silas Creek Parkway, Winston-Salem, North Carolina 27127 Phone:[phone]
UST Operator: Quality Oil Company, LLC
Address: 1540 Silas Creek Parkway, Winston-Salem, North Carolina 27127 Phone:[phone]

Property Owner: Quality Oil Company, LLC
Address: 1540 Silas Creek Parkway, Winston-Salem, North Carolina 27127 Phone:[phone]
Property Occupant: GoGas No. 14
Address: 415 US Highway 117, Burgaw, North Carolina 28425 Phone:[phone]

Consultant/Contractor: Progress Environmental Group, Inc.
Address: P.O. Box 5884, Winston-Salem, North Carolina 27113 Phone:[phone]
Attention: Mr. Jeffrey A. Ballsieper, L.G.
Analytical Laboratory: Pace Analytical Services, LLC
Address: 9800 Kincey Avenue, Huntersville, North Carolina 28078 Phone:[phone]

Release Information
Date Discovered: June 18, 2020
Latitude: N 34.558353 Longitude: W 77.919450
Estimated Quantity of Release: Unknown
Cause of Release: Unknown
Source of Release (e.g., Piping/UST): Gasoline UST Spill Bucket
Sizes and contents of UST system(s) from which the release occurred): One 12,000-gallon gasoline fuel UST
(Table B-1).
Risk Classification: High
Land Use Category: Industrial/Commercial

I, Jeffrey A. Ballsieper, a Licensed Geologist for Progress Environmental Group, Inc., do certify that the
information contained in this report is correct and accurate to the best of my knowledge.

_____________________________________
Jeffrey A. Ballsieper, L.G.
Director of Environmental Services
Progress Environmental Group, Inc. is licensed to practice geology in North Carolina. The certification
number of the corporation is C-552.
Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

2

INTRODUCTION

The site is located at 415 US Highway 117 in Burgaw, Pender County, North Carolina. The
site consists of a convenience store which stores petroleum products in underground
storage tanks (USTs) for retail sale. Seven USTs are located at the site. Recently, a
release was identified during equipment upgrade activities. An excerpt from the Site
Check Report prepared by Paragon Environmental Consultants, Inc. and dated June 18,
2020, is below:

Please find enclosed a report summarizing the site check activities for the fill ports of all seven of the USTs at the above referenced facility. A site inspection conducted by the DEQ – UST Section of the tank system at the Go Gas 14 noted that the fill ports were not in compliance on the four gasoline USTs and the three diesel USTs at this facility. On May 27, 2020 Paragon Environmental Consultants, Inc. mobilized to the site to perform assessment sampling at each of the spill buckets on the four 12,000 gallon gasoline USTs, the one 12,000 gallon diesel UST, and the two 10,000 gallon diesel USTs. The results of our findings are summarized herein. Soil samples (two from each tank) were obtained from the [sic] directly above the top of the USTs immediately adjacent to the containment sumps that contained the fill ports at this subject facility. Paragon collected samples from both the south and north sides of each of these containment sumps at depths of approximately three feet below surface grade. The gasoline tank samples were labeled as spill bucket #1 through #4 (with samples A and B obtained from each spill bucket) respectively from the north gasoline tank (tank nearest to US Highway 117 N.) to the south gasoline tank (tank nearest to the building). Soil samples were also collected from the three diesel USTs. The samples from spill bucket #5 were labeled with the north and south sides identified the same as with the gasoline tank samples. The samples from spill bucket #6 and spill bucket #7 were collected from both the east and west sides of each of these containment sumps. Figure 1 illustrates the site layout and the soil sample locations. All of the soil samples obtained adjacent to the fill port containment sumps were submitted to Meritech, Inc. for laboratory analysis by EPA Method 5030. This method tests for total petroleum hydrocarbons (TPH) from low boiling-point fuels such as gasoline, aviation fuel, and gasohol. The current action level for Method 5030 constituents is 50 milligrams per kilogram (mg/kg). The soil samples obtained from the diesel portions of the tank system were also analyzed by Meritech, Inc. according to EPA Method 3550. This method tests for TPH from high boiling-point fuels such as diesel, kerosene, and fuel oil. The current action level for Method 3550 constituents is 100 mg/kg. Sample SB1-A was also analyzed by VPH methods for BTEX as required by the current UST Section guidelines if a TPH
Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

3

concentration exceeding 50 mg/kg is detected by Method 5030.
 The soil sample from the north side of the spill bucket containment sump on
tank #1 (SB1-A) indicated a TPH concentration of 738 mg/kg according to
EPA Method 5030. This concentration exceeds the DEQ action limit for this
TPH method. The sample from the south side of this same spill bucket was
below the action limit for Method 5030 TPH. All of the other soil samples
from the gasoline USTs at the Go Gas 14 were below the laboratory
detection limit according to EPA Method 5030. The analytical results for the
diesel UST soil samples at 415 US Highway 117 N. were below the detection
limits by EPA Methods 5030 and 3550. Table 1 summarizes the TPH
analytical results for this project. Sample SB1-A showed Benzene at a
concentration of 1.53 mg/kg which is above the lowest Maximum Soil
Contaminant Concentration (MSCC) of 0.0056 mg/kg. Toluene was detected
at a concentration of 35.5 mg/kg, exceeding the lowest MSCC of 4.3 mg/kg.
Ethylbenzene was detected at a level of 25 mg/kg, above its lowest MSCC of
4.9 mg/kg. Xylenes were reported at a concentration of 133.5 mg/kg, which
exceeds the lowest MSCC of 4.6 mg/kg. Table 2 summarizes the soil
analytical results for the BTEX site check sample. Attachment A
contains a copy of the laboratory analytical report and the chain-of-custody
record for the samples obtained by Paragon on May 27, 2020.

Based on the request by NCDEQ, Progress completed a Phase I Limited Site Assessment.
The Phase I Limited Site Assessment is summarized below:

Progress mailed 40 water-supply well questionnaires to the property owners within a 500-
foot radius of the site. Fifteen of the questionnaires have been completed and returned
at the time of this report. Progress also completed a visual reconnaissance within 1,500
feet of the site. Progress identified evidence of two water-supply wells during the
vehicular reconnaissance of accessible properties within 1,000 feet of the site or based on
the returned questionnaires. Only one well located at 807 Ridgewood Avenue appears to
be utilized for drinking within 1,000 feet of the subject site.

Based on the relative shallow depth to groundwater (approximately two feet below land
surface), Progress did not collect a soil sample for laboratory analysis as part of this
assessment.

On October 15, 2020, Progress was on-site to install and sample one, two-inch monitoring
well (MW-1) to an approximate depth of 15 feet bls with 10 feet of 0.01 slotted Schedule
40 PVC screen using the hollow stem auger drilling method. However, it was discovered
that a monitoring well was identified proximal to the anticipated installation location.
Following consultation with North Carolina Department of Environmental Quality (NCDEQ)
personnel, it was determined that it would be prudent to collect and test a groundwater
sample from the existing monitoring well. Progress collected a groundwater sample from
the monitoring well using a disposable bailer and new length of cord and transferred the
Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

4

sample to the laboratory containers into a cooler packed with ice. The groundwater
sample collected from monitoring well MW-1 was analyzed for volatile organic compounds
(VOCs) using Standard Method 6200B, for ethylene dibromide (EDB) using EPA Method
504.1, for lead using the Standard Method, and for volatile petroleum hydrocarbons (VPH)
using the Massachusetts Department of Environmental Protection (MADEP) Method.

Laboratory analysis of the groundwater sample collected from monitoring well MW-1
detected benzene (245 µg/L), naphthalene (35.2 µg/L), C5-C8 Aliphatics (2,180 µg/L),
C9-C12 Aliphatics (2,070 µg/L), and C9-C10 Aromatics (799 µg/L) at concentrations
exceeding their respective North Carolina 2L Groundwater Quality Standards
(NC2LGWQS). Please note, none of the detected concentrations exceed the applicable
Gross Contamination Levels (GCLs).

Based on the results of the receptor survey and groundwater sampling activities, Progress
made the following conclusions:

1. The site meets the criteria for a High Risk site based on the presence of one active
water-supply well being identified within 1,000 feet of the source area.

2. Public water is readily available to properties located along Jacksonville Highway
and North Carolina Highway 117.

3. Based on the shallow depth to groundwater (approximately two feet below land
surface) soil samples were not collected as part of this assessment.

4. Laboratory analysis of the groundwater sample collected from monitoring well
MW-1 detected benzene (245 µg/L), naphthalene (35.2 µg/L), C5-C8 Aliphatics
(2,180 µg/L), C9-C12 Aliphatics (2,070 µg/L), and C9-C10 Aromatics (799 µg/L) at
concentrations exceeding their respective NC2LGWQS. Please note, none of the
detected concentrations exceed the applicable GCLs.

5. Progress recommends providing a copy of this report to the Wilmington Regional
Office of the NCDEQ, Division of Waste Management, UST Section.

Additional assessment activities have included the following:

On June 24, 2021, 3D Environmental Investigations, LLC, mobilized a track-mounted drill
rig to install three soil borings and construct three monitoring wells (MW-2 through MW-4,
Figure 2). The purpose of the assessment was to also install and sample a deep
monitoring well. Because the site is located within the Coastal Plain, it is imperative that
any subsurface assessment does not promote the cross contamination of subsurface
aquifers that are separated by a continuous and competent confining layer (i.e. clay).
Progress noted the presence of a clay layer in the subsurface at the site that extends
from approximately four feet to the terminus of the shallow Type II monitoring wells
(fifteen feet bls). Following discussions with NCDEQ personnel it was determined that the
Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

5

installation of a Type III deep monitoring well was not necessary at this time. Please
note, Progress did collect and screen soil samples from the location of the proposed deep
monitoring well (DW-1). Progress collected soil samples at 2.5 foot intervals beginning at
the ground surface to 15 feet below land surface (bls). The soil borings were advanced
using the direct push drilling method.

Laboratory analysis of the soil samples collected from MW-2 and MW-4 did not exhibit
detectable concentrations of TPH-G or TPH-D. Laboratory analysis of the soil sample
collected from MW-3 detected TPH-D (9.5 mg/Kg) at a concentration that does not
exceed its North Carolina Action Level of 100 mg/Kg. Laboratory analysis of the soil
sample collected from DW-1 detected TPH-G (10,500 mg/Kg) and TPH-D (542 mg/Kg) at
concentrations that exceed the respective North Carolina Action Levels of 50 mg/Kg of
100 mg/Kg. Laboratory analysis of the soil sample collected from DW-1 (proximal to
monitoring well MW-1) also indicated targeted compounds at concentrations above their
respective Soil-to-Groundwater Maximum Soil Contaminant Concentrations (MSCCs), with
the concentrations of C5-C8 Aliphatics and C9-C10 Aromatics exceeding their respective
Residential Cleanup Levels. Please note, none of the petroleum hydrocarbons or VPH
ranges exceed their respective Industrial/Commercial Cleanup Levels.

On June 24, 2021, 3D Environmental Investigations, LLC, installed three, two-inch
monitoring wells (MW-2 through MW-4) to approximate depths of 15 feet bls. The wells
were installed using the direct push drilling method. Progress returned to the site on July
1, 2021 to collect groundwater samples from the monitoring wells. The groundwater
sample collected from monitoring well MW-1 was analyzed for VOCs using Standard
Method 6200B, for VPH using the MADEP Method, for ethylene di-bromide (EDB) using
EPA Method 504.1, and for lead.

Laboratory analysis of the groundwater samples collected from monitoring wells MW-2,
MW-3, and MW-4 did not detect targeted compounds above their respective NC2LGWQS,
with the exception of lead in the groundwater sample collected from monitoring well MW-
2. Laboratory analysis of the groundwater samples collected from monitoring well MW-1
detected several targeted compounds above their respective NC2LGWQS. Please note,
none of the compounds were detected at concentrations exceeding the applicable GCL.
Based on the findings of this Additional Risk Assessment Report, Progress made the
following conclusions and recommendations:

 Groundwater flow beneath the site appears to be flowing radially beneath the site,
but generally is expected to flow to the west-southwest in the vicinity of the site
towards Osgood Branch;
 Soil impacted above the Soil-to-Groundwater MSCCs and the Residential Soil
Cleanup Levels appears to be located proximal to the former fuel dispensers;
 Groundwater contamination in excess of the NC2LGWQS persists in on-site
monitoring well MW-1. Compounds were not detected in the groundwater sample
collected from monitoring well MW-1 in excess of their applicable GCLs. Only lead
Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

6

was detected at a concentration exceeding it NC2LGWQS in the groundwater
sample collected from monitoring well MW-2;
 The site meets the criteria for a High Risk site based on the presence of one active
water-supply well being identified within 1,000 feet of the source area;
 Prior to a real estate transaction occurring, a Notice of Residual Petroleum (NORP)
must be filed with the Pender County Register of Deeds. Progress recommends
that a copy of this report be submitted to the NCDEQ;
 Discuss with NCDEQ personnel appropriate corrective actions to achieve
expeditious regulatory closure of the site; and,
 Provide a copy of this report to the property owner.

On September 7, 2021, Bridger Drilling, LLC, installed one additional, two-inch monitoring
well (MW-5) to approximate depths of 15 feet bls. The well was installed using the direct
push drilling method. The monitoring well was constructed with 10 feet of 0.01 slotted
Schedule 40 PVC screen. Progress collected groundwater samples from the existing
monitoring wells and the newly installed monitoring well. The groundwater samples were
collected using a disposable bailer and new length of cord and transferred to laboratory
containers. The groundwater sample collected from monitoring well MW-5 was analyzed
for VOCs using Standard Method 6200B, for VPH using the MADEP Method, for ethylene
di-bromide (EDB) using EPA Method 504.1, and for lead. The groundwater samples
collected from monitoring wells MW-1 through MW-4 were analyzed for VOCs using
Standard Method 6200B and EDB by EPA Method 504.1.

Laboratory analysis of the groundwater sample collected from monitoring well MW-1
detected benzene (4,110 µg/L), ethylbenzene (840 µg/L), naphthalene (316 µg/L), methyl
tert-butyl ether (42.7 µg/L), toluene (3,640 µg/L), 1,2,4-trimethylbenzene (1,380 µg/L),
total xylenes (4,397 µg/L) at concentrations exceeding their respective North Carolina 2L
Groundwater Quality Standards (NC2LGWQS). Please note, the concentrations of
detected compounds did not exceed the applicable GCLs.

Laboratory analysis of the groundwater sample collected from monitoring wells MW-2
through MW-5 did not detect VOCs (including EDB) at concentrations exceeding the
laboratory detection limits and/or the NC2LGWQS. Additionally, the groundwater sample
collected from monitoring well MW-5 did not exhibit concentrations of lead or VPH ranges
that exceed their respective NC2LGWQS.

Based on the results of the groundwater sampling event, Progress made the following
conclusions:

 NCDEQ has classified the site as “high risk” based on the presence of an
identified water-supply well used for drinking water within 1,000 feet of the
site. Municipal water is available to all properties in the vicinity of the site.
 Based on review of the laboratory data from the previous assessment
activities, soil impacted above the Soil-to-Groundwater MSCCs and Residential
Soil Cleanup Levels persists in the vicinity of monitoring well MW-1. Soil
Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

7

contamination in excess of the Industrial/Commercial Soil Cleanup Levels was
not identified at the site.
 Laboratory analysis of the groundwater samples collected from monitoring
wells MW-2 through MW-5 did not detect targeted compounds above their
respective NC2LGWQS. Laboratory analysis of the groundwater sample
collected from monitoring well MW-1 detected several targeted compounds
above their respective NC2LGWQS. Please note, none of the compounds were
detected at concentrations exceeding the applicable GCL.
 Free product has historically been measured in monitoring well MW-1;
however, during the most recent sampling event free product was not
measured in monitoring well MW-1.

Based on the findings of this Groundwater Monitoring Report, Progress made the
following recommendations:

 Groundwater flow beneath the site appears to be flowing radially beneath the site,
but generally is expected to flow to the west-southwest in the vicinity of the site
towards Osgood Branch;
 Soil impacted above the Soil-to-Groundwater MSCCs and the Residential Soil
Cleanup Levels appears to be located proximal to the former fuel dispensers;
 Groundwater contamination in excess of the NC2LGWQS persists in on-site
monitoring well MW-1. Compounds were not detected in the groundwater sample
collected from monitoring well MW-1 in excess of their applicable GCLs;
 The site meets the criteria for a High Risk site based on the presence of one active
water-supply well being identified within 1,000 feet of the source area;
 Prior to a real estate transaction occurring, a Notice of Residual Petroleum (NORP)
must be filed with the Pender County Register of Deeds. Progress recommends
that a copy of this report be submitted to the NCDEQ; and,
 Discuss with NCDEQ personnel appropriate corrective actions to achieve
expeditious regulatory closure of the site.

On November 21, 2022, Progress collected groundwater samples from the existing
monitoring wells. The groundwater samples were collected using a disposable bailer and
new length of cord and transferred to laboratory containers. The groundwater samples
collected from monitoring wells MW-2 through MW-5 were analyzed for VOCs using
Standard Method 6200B. Note that monitoring well MW-1 contained approximately 0.4
feet of free product and, therefore, was not sampled.

Laboratory analysis of the groundwater sample collected from monitoring wells MW-2
through MW-5 did not detect VOCs at concentrations exceeding the laboratory detection
limits and/or the NC2LGWQS.

Based on the results of the groundwater sampling event, Progress makes the following
conclusions:

Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

8

 NCDEQ has classified the site as “high risk” based on the presence of an
identified water-supply well used for drinking water within 1,000 feet of the
site. Municipal water is available to all properties in the vicinity of the site.
 Based on review of the laboratory data from the previous assessment
activities, soil impacted above the Soil-to-Groundwater MSCCs and Residential
Soil Cleanup Levels persists in the vicinity of monitoring well MW-1. Soil
contamination in excess of the Industrial/Commercial Soil Cleanup Levels was
not identified at the site.
 Laboratory analysis of the groundwater samples collected from monitoring
wells MW-2 through MW-5 did not detect targeted compounds above the
laboratory detection limits and/or their respective NC2LGWQS.
 Free product has historically been measured in monitoring well MW-1 (April
2021). During the November 21, 2022 sampling event, Progress measured
approximately 0.4 feet of free product in monitoring well MW-1.
Based on the findings of this Groundwater Monitoring Report, Progress makes the
following recommendations:

 Groundwater flow appears to be flowing radially beneath the site, but generally is
expected to flow to the west-southwest in the vicinity of the site towards Osgood
Branch;

 Soil impacted above the Soil-to-Groundwater MSCCs and the Residential Soil
Cleanup Levels appears to be located proximal to the UST pit;
 During the November 21, 2022 sampling event, Progress measured approximately
0.4 feet of free product in monitoring well MW-1;
 The site meets the criteria for a High Risk site based on the presence of one active
water-supply well being identified within 1,000 feet of the source area;

 Prior to a real estate transaction occurring, a Notice of Residual Petroleum (NORP)
must be filed with the Pender County Register of Deeds. Progress recommends
that a copy of this report be submitted to the NCDEQ; and,

 Based on the presence of free product, Progress recommends implementing an
Aggressive Fluid Vapor Recovery (AFVR) event at the site.

HISTORIC FREE PRODUCT

Free product has historically been measured in monitoring well MW-1 (April 2021). Free
product was detected in monitoring well MW-1 during the November 21, 2022, sampling
Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

9

event. During the most recent sampling event, monitoring well MW-1 contained
approximately 0.4 feet of free product and, therefore, was not sampled.
FIELD ACTIVITIES

On January 26, 2023, Progress and Contaminant Control, Inc. (CCI) were on-site to
remove free product from monitoring well MW-1 during an aggressive fluid vapor
recovery (AFVR) event. Prior to the commencement of free product recovery activities,
free product was measured in monitoring well MW-1 with a thickness of 0.25 inch. The
activities were completed in an effort to remove free product detected in the monitoring
well MW-1. The AFVR event was initiated at 9:05 am. The vacuum pressure maintained
during the event ranged from 23 to 26 inches of mercury throughout the event. Volatile
organics were measured in the effluent exhaust using a photoionization detector (PID) at
2,000 ppm throughout the event.

The AFVR event terminated at 1:55 pm as the vacuum truck was at capacity. The AFVR
event recovered approximately 3,156 gallons of petroleum contaminated groundwater
and free product. A copy of the disposal manifest is included in the Appendix.

Free product was not detected in the vacuum truck following a period of stabilization.
Tables B-8 and B-9 summarize the AFVR field activities and estimated recovery of
gasoline as vapor (5.657 pounds or 0.91 gallons of gasoline).

Following the completion of activities, free product was not detected in monitoring well
MW-1.

CONCLUSIONS AND RECOMMENDATIONS
Based on the results of the AFVR event, it is Progress’s opinion that the free product appears
to have been successfully removed from the proximity of monitoring well MW-1. Progress
recommends continued assessment of monitoring well MW-1 for free product and
implementation of additional AFVR activities, if warranted.

Free Product Recovery Report GoGas No. 14
415 U.S. Highway 117
Burgaw, Pender County, North Carolina
Progress Project No. QUA403N.GW
Incident No. 47115

10

Progress appreciates the opportunity to provide environmental consulting services for this
project and we look forward to continuing to work with you. If you have questions or
comments, please do not hesitate to contact us at [phone].

Sincerely,

PROGRESS ENVIRONMENTAL GROUP, INC.

Joseph S. Lawson, III Jeffrey A. Ballsieper, L.G.
Director of Ecological Services Director of Environmental Services
NC Licensed 1653

Attachments: Figure 1 Topographic Site Map
Figure 2 Site Plan
Table B-8
Field Notes and Disposal Manifest

FIGURES
Figure 1
Topographic Site Map

Go Gas No. 14
415 US Highway 117
Burgaw, North Carolina

P.O. Box 5884
Winston-Salem, NC 27113
Telephone: [phone]
Fax: [phone]
www.progressenvironmental.com
Burgaw, N.C.

United States Department of the Interior
United States Geological Survey
7.5 Minute Series Topographic Map
Contour Interval: 10 feet
Scale: 1:24,000
Date: 2019
Project: Go Gas #14

Client: Quality Oil Company,
LLC
Progress Job #: QUA403N.GW
Date: February 2023
Site
MW-1 APPROXIMATE MONITORING WELL LOCATION ProgressENVIRONMENTAL GROUP, INC.JSLJABAS SHOWNFEBRUARY 2023Figure 2.SKFP.O. Box 5884WINSTON-SALEM, NORTH CAROLINA 27113PHONE [phone] FAX [phone]FIGURE 2SITE MAPGOGAS NO. 14415 US HIGHWAY 117BURGAW, NORTH CAROLINAPROJECTQUA403N.GWMW-1
MW-2
MW-4
MW-3
MW-5
FEBRUARY 2023

TABLES
Date Extraction Points
Elapsed Time
(Hours)
Vacuum
(inches of
Hg)
Velocity
(ft/min)
Pipe ID
(in)
Temp
(deg F)
Temp (deg
C)
Rel. Humid
(%)
Water Vapor
(Wt %)
Water Vapor
(Vol %)
Qstd
(flow)
1/26/2023 MW-1 0.25 24.00 3092 2 92.8 33.8 20.1 0.00752 0.0119 63.6
1/26/2023 MW-1 0.50 25.00 2297 2 176.0 80.0 1.2 0.00332 0.0053 41.4
1/26/2023 MW-1 0.75 26.00 2997 2 185.6 85.3 0.9 0.00300 0.0048 53.2
1/26/2023 MW-1 1.00 26.00 3482 2 198.5 92.5 1.5 0.00633 0.0100 60.3
1/26/2023 MW-1 1.25 26.00 3019 2 184.8 84.9 1.2 0.00394 0.0063 53.6
1/26/2023 MW-1 1.75 26.00 3312 2 186.7 85.9 0.4 0.00136 0.0022 58.8
1/26/2023 MW-1 2.25 26.00 3007 2 182.0 83.3 0.3 0.00093 0.0015 53.8
1/26/2023 MW-1 2.75 26.00 3394 2 182.6 83.7 0.5 0.00157 0.0025 60.7
1/26/2023 MW-1 3.25 26.00 3382 2 188.2 86.8 0.8 0.00280 0.0045 59.8
1/26/2023 MW-1 3.75 26.00 2965 2 181.5 83.1 1.1 0.00339 0.0054 52.9
1/26/2023 MW-1 4.25 25.00 3082 2 193.0 89.4 0.2 0.00076 0.0012 54.3
1/26/2023 MW-1 4.75 23.00 1534 2 185.6 85.3 0.5 0.00167 0.0027 27.3
Calculations
Qstd
Bws
Bwsw
Perry’s Chemical Engineers’ Handbook)
V
A
Ts
Date: February 21, 2023 Incident Name and Number: GoGas No. 14 Facility ID: 00-0-0000032629
TABLE B-8
AFVR RESULTS
FREE PRODUCT RECOVERY REPORT
= stack temperature in degrees Rankin (Ro), Ro = Fo + 460 (use average value)
= (60 sec/min) (1-Bws) (V) (A) (528 Ro / Ts)
= (Bwsw/18 lb-mole H2O) / [(1/28.84 lb-mole dry air) + (Bwsw/18 lb-mole H2O)]
= lb. of water per lb. of dry air (use high temperature psychrometric chart for air-water vapor mixtures in
= velocity in ft/sec (obtain with hot wire anenometer or pitot tube (use average value)
Coss-sectional area of discharge stack in square feet at sampling location
Elapsed
Time
(min)
Flow
(DSCFM)
PPM Measured
(ppm)
K
(#C-gas)PPMg
Cc:m
(mg/dsm^3)
Cc
(lb/dscf)
PMRc
(lb/hr)
PMRg
(lb/hour)
PMR
(lb)
15 63.6 2,000 4 8,000 4254 0.00027 1.014 1.174 0.293
30 41.4 2,000 4 8,000 4254 0.00027 0.659 0.763 0.191
45 53.2 2,000 4 8,000 4254 0.00027 0.848 0.981 0.245
60 60.3 2,000 4 8,000 4254 0.00027 0.960 1.111 0.556
90 53.6 2,000 4 8,000 4254 0.00027 0.854 0.988 0.494
120 58.8 2,000 4 8,000 4254 0.00027 0.938 1.085 0.543
150 53.8 2,000 4 8,000 4254 0.00027 0.858 0.993 0.497
180 60.7 2,000 4 8,000 4254 0.00027 0.967 1.119 0.559
210 59.8 2,000 4 8,000 4254 0.00027 0.953 1.103 0.551
240 52.9 2,000 4 8,000 4254 0.00027 0.843 0.976 0.976
300 54.3 2,000 4 8,000 4254 0.00027 0.865 1.001 0.500
330 27.3 2,000 4 8,000 4254 0.00027 0.435 0.503 0.252
360 TOTAL EMISSIONS IN POUNDS 5.657
Calculations
PPMw = “wet” concentration
PPMd = “dry” concentration
PPMc = PPMv, volumetric concentration of VOC emissions as carbon, dry basis, at STP
Cc:m
Cc = Cc:m (62.43 x 10-9 lb-m3/mg-ft3), lb/dscf, mass concentration of VOC emissions as carbon, dry basis, at STP
PMRc = Cc (Qstd) (60 min/hr), lb/hr, pollutant mass removal rate of VOC’s as carbon
PMRg = (PMRc) (Mg/Mcg), lb/hr, pollutant mass removal rate of VOC’s as gasoline
K = number of carbons in calibration gas (methane K=1, propane K=3, hexane K=6)
Mc = 12.01 mg/mg-mole, molecular wt. of carbon
K3 = 24.07 dsm3/106 mg-mole, mass to volume conversion factor at STP
Cc = lb/dscf, mass concentration of VOC emissions as carbon, dry basis, at STP
Mg = 103 mg/mg-mole, molecular wt. of gasoline (value may vary depending on contaminant)
Mcg = 89 mg/mg-mole, weight of carbon in gasoline molecule
Average values for molecular weight of gasoline, weight of carbon in gasoline molecule, and the conversion of pounds of gasoline emissions to gallons
of liquid gasoline are from Automotive Fuels Reference Book, by K. Owens and T. Coley, Second Edition, 1995, published by the Society
of Automotive Engineers.
Date: February 21, 2023 Incident Name and Number: GoGas No. 14 Facility ID: 00-0-0000032629
TABLE B-9
NOTE: To convert lbs. of gasoline emissions to gallons of liquid gasoline, divide by 6.25 lbs/gal.
= PPMc (Mc/K3)
AFVR RESULTS
FREE PRODUCT RECOVERY

FIELD NOTES AND DISPOSAL MANIFEST
NON-HAZARDOUS 11. Generator ID Number
WASTE MANIFEST
5. Generator's Name and Mailing Address
1
2. Page 1 of , 3. Emergency Response Phone , 4. Waste Tracking Number
l 7u'1-'J, 17 -1s-oo d-CP s (plj
Generator's Phone:
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\,Ull'S k,-. -;-...,10~, N<... ::> 7 Lo i I
Generator's Site Address (if different than mailing address)
L/ /') U.~ }+w(
fj.,_,,,,.u,1 I fl)C-
U.S. EPA ID Number
//7
6. Transporter 1 Company Name r ... " h.-,..r-...r.t""' I JV( Rooc. ~~'( ,~ l
7. Transporter 2 Company Name
8. Designated Facility Name and Site Address ~ _ • L.. -(c,,-~ ~IC I 4--1\.(._
7() £{ J"-'.vh"-1..-uft.v t,"1 J,, V-),.-
1W-''"'~·•hhiu. , )Jc., -;) 7 T 0o Facili ,is Phone:
9. Waste Shipping Name and Description
~ 1. Af fvvC£l-fF-:; ro ~ '7 \
I
10. Containers
No. Type
U.S. EPA ID Number
U.S. EPA ID Number
11. Total
Quantity
12. Unit
WtNol.
: /Jr,AJ W~-ze,.J~"l l.q_~1 (pwe1r,, v..W p,,,~Jti,'ilc•~ 0 01 fr 3 LS b 0t ffi l-----+-,-2.--=-..;;_.;_--'-------''---,,J,-C-.C.....C-=------->.---1-✓--------"'-....:....<--/--,11------t---t-="--=C....:+--+-----------{
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3.
4.
13. Special Handling Instructions and Additional Information
14. GENERATOR'S,/OFFEROR'S CERTIFICATION: I hereby declare that the contents of this consignment are fully and accurately described above by the proper shipping name, and are classified, packaged,
marked and labeled/placarded, and are in all respects in proper condition for transport according to applicable in)e ra onal and national s4,emmental regulations.
Gen~tor's/Offeror's Printe~ped N~e \ __. / <:. { ~ -Signature ~ ) -/ .J.. ~ Month ~'l Year rroqr~5 v11vctA.1e1.1 -1---1 J¥""r,-/~~11-1~ I ~-1/\ //V ~ I 11 ar; 1'2-?
...1 15. lntemati0!781 Shipments D ~ Import to U.S.
-Transoorter Slonature (for eXj)<l_rts onlv):
D Export from U.S. /J Port of en//extt: _________________ -t.
Date leavina U.S.: ffi 16. Transporter Acknowledgment of Receipt of Materials I ~;;i;ypedt:jA~46;J)fl 1
~ Transporter 2 Printed/Typed Name .,
I= ~ature
Month Day Year
IJ 12£ 1~3
l 17. Discrepancy
17a. Discrepancy Indication Space
Month
I
Day I. I Year
D Quantity □Type D Residue D Partial Rejection D Full Rejection
Manifest Reference Number: S 17b. Alternate Facility (or Generator) U.S. EPA ID Number
o I ~ Facility's Phone:
0 t--1=-=1c-.-:cSl-:-gna-t-:-ur-e-:ofc-:A-::-lte-m-at-:-e-=Fa-c1::::·1ity-(:--or-cG::-e-ne-ra-:-to-:-r)--------------------------'------------,-,M-:-on""th---:D::-ay----,-,Y-ea-1r jt--______________ ___.l ____________ _.__l_ ...... l _ ...... 1--t
fil C
l 18. Designated Facility Owner or Operator: Certification of receipt of materials covered by the manifest except as ncted In Item 17a
Printi~;;me GoJJvJ I Sig~ /~
A
169-BLC-O 6 10498 (Rev. 9/09) 1
{ /
Month Day Year
I ~ I rl-fol J3
DESIGNATED FACILITY TO GENERATOR