RA-1993_12307_CA_MRP_20231128

1.0 CONSULTECH ENVIRONMENTAL, LLC.
2021 Energy Dr * Apex, NC 27502 919-234-4238 * FAX [phone]
November 28, 2023
North Carolina Department of Environmental Quality
Division of Waste Management, UST Section
1628 Mail Service Center
Raleigh, North Carolina 27699-1628
Attention: Mr. Scott Ryals
Reference:Groundwater Monitoring Report
Former Rocky Mount Welding Supply
1917 S. Wesleyan Blvd.
Rocky Mount, Nash County, NC
NCDEQ Incident No: 12307
Dear Mr. Ryals:
Please find attached a groundwater monitoring report for the above referenced facility. Please
contact the undersigned if you have any questions or comments regarding the report.
Respectively,
Consultech Environmental, LLC.
John Liebig
Project Manager
2.0 CONSULTECH ENVIRONMENTAL, LLC.
2021 Energy Dr * Apex, NC 27502 919-234-4238 * FAX [phone]
Prepared by:
Consultech Environmental, LLC.
2021 Energy Drive
Apex, NC 27502
November 28, 2023
GROUNDWATER MONITORING REPORT
Former Rocky Mount Welding Supply
1917 S. Wesleyan Blvd.
Rocky Mount, Nash County, NC
NCDEQ Incident No: 12307
i
SITE INFORMATION
1. Site Identification
Former Rocky Mount Welding Supply
1917 S. Wesleyan Blvd.
Rocky Mount, Nash County, NC
Date of Report:November 28, 2023
Facility I.D.:0-022552 UST Incident No.: 12307
Site Risk:High Land Use
Classification:
Commercial
Site Name
(NCDEQ Incident Name):
Rocky Mount Welding Supply
Site Street Address:1917 S. Wesleyan Blvd.
City/Town:Rocky Mount Zip Code:28303 County:Nash
Description of Geographical Data Point:Center of Lot
Location Method:Google Earth
Latitude (decimal degrees):N 35.5351o Longitude (decimal degrees):W 77.4924o
2. Contact Information
UST Owner/Operator:
Address:
Rocky Mount Welding Supply Co. (Former)
1917 S. Wesleyan Blvd.
Rocky Mount, NC 28303
Property Owner:
Address:
Tel:
Carolina Truckworks LLC / S. Carl Howard Jr.
1917 S. Wesleyan Blvd.
Rocky Mount, NC 28303
[phone]
Consultant/Contractor:Consultech Environmental, LLC.
Address:
Tel:
2021 Energy Drive
Apex, NC 27502
[phone]
Analytical Laboratory:Eurofins Test America. Cert # 314
Address:
Tel:
5102 LaRoche Avenue
Savannah, GA 31404
[phone]
3. Information about Release
Date Discovered:01/24/1994
Estimated Quantity of Release:Unknown
Cause of Release:Unknown
Source of Release (Dispenser/Piping/UST):USTs
Size and Contents of UST System(s) from
which the release occurred:
Two 10,000-gallon gasoline USTs
4. Certification
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ii
1.0 EXECUTIVE SUMMARY
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ygtg cfxcpegf cpf uqkn ucorngu eqnngevgf cv vjg hqtogt vcpm dcukp ctgc cpf ctqwpf vjg ukvg/ Nqy
ngxgnu qh icuqnkpg VRJ cpf fkgugn VRJ ygtg fgvgevgf kp vjg uqkn kp vjtgg qh vjg dqtkpiu )OY.4- OY.
6- cpf FY.2*/ Hkxg ujcnnqy itqwpfycvgt oqpkvqtkpi ygnnu )OY.2 vjtqwij OY.6* cpf qpg fggr ygnn
)FY.2* ygtg kpuvcnngf kp vjg dqtkpiu/ Pq htgg rtqfwev ycu fgvgevgf qp vjg itqwpfycvgt/ Kp 2;;5
cpf 2;;6 ugxgtcn rgvtqngwo eqpuvkvwgpvu )DVGZ- OVDG- fkejnqtqdgp|gpg* ygtg fgvgevgf kp vjg
itqwpfycvgt kp ygnn OY.4 kpuvcnngf pgct vjg hqtogt WUVu/ OVDG kp ygnn OY.4 ycu vjg qpn{
eqpuvkvwgpv fgvgevgf kp vjg itqwpfycvgt cv eqpegpvtcvkqpu cdqxg vjg 3N Itqwpfycvgt Uvcpfctfu kp
2;;6/ Fwtkpi vjg EUC cevkxkvkgu- gkijv ycvgt uwrrn{ ygnnu ygtg kfgpvkhkgf ykvjkp 2111 hggv qh vjg WUV
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eqpuvkvwgpvu ygtg fgvgevgf kp vjg hqwt ucorngu cv eqpegpvtcvkqpu cdqxg vjg PEFGS Itquu
Eqpvcokpcvkqp Ngxgnu )IENu*/ Vjg uqwteg qh vjg uqnxgpvu kp vjg itqwpfycvgt ctg wpmpqyp dwv
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tgegrvqt uwtxg{ cpf ucornkpi qh qhhukvg ygnnu oc{ dg pgeguuct{ vq fgvgtokpg kh cp{ kpfkxkfwcnu qt
dwukpguugu ctg wukpi ygnnu cpf kh vjg{ ctg korcevgf/
iv
TABLE OF CONTENTS
SITE INFORMATION.......................................................................................................I
1.0 EXECUTIVE SUMMARY......................................................................................II
TABLE OF CONTENTS.................................................................................................IV
2.0 SITE HISTORY AND CHARACTERIZATION......................................................5
3.0 CURRENT ASSESSMENT ACTIVITIES..............................................................6
3.1 GROUNDWATER MEASUREMENTS, SAMPLING AND TESTING........................................... 6
4.0 GROUNDWATER SAMPLING RESULTS...........................................................6
4.1 GROUNDWATER FLOW ................................................................................................. 6
4.2 LABORATORY ANALYSIS RESULTS................................................................................ 6
5.0 CONCLUSIONS AND RECOMMENDATIONS....................................................7
TABLES
Table 1 Monitoring Well Construction Information and Groundwater Elevation Data
Table 2 Historical and Current Groundwater Analytical Results
Table 3 Historical Soil Analytical Results
FIGURES
Figure 1 Site Location Map
Figure 2 Site Map
Figure 3 Tetrachloroethene Isopleth Map
LIST OF APPENDICES
APPENDIX A Laboratory Analytical Report
5
2.0 SITE HISTORY AND CHARACTERIZATION
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)Xgnqekv{Vtwem Egpvgt ˜Tqem{Oqwpv*cpf qypgf d{Ectqnkpc Vtwemyqtmu NNE 0 U/Ectn Jqyctf
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cpf ycvgt ockpu ygtg qdugtxgf cnqpi Uqwvj Ygung{cp Dqwngxctf/ Vjg qpukvg ycvgt uwrrn{ ygnn
ku pqv kp wug/ Kv ku wpmpqyp kh vjg qpukvg ugrvke u{uvgo ku uvknn kp wug/
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fggr ygnn )FY.2* ygtg kpuvcnngf kp vjg dqtkpiu/ Pq htgg rtqfwev ycu fgvgevgf qp vjg
itqwpfycvgt/ Kp 2;;5 cpf 2;;6 ugxgtcn rgvtqngwo eqpuvkvwgpvu )DVGZ- OVDG- fkejnqtqdgp|gpg*
ygtg fgvgevgf kp vjg itqwpfycvgt kp ygnn OY.4 kpuvcnngf pgct vjg hqtogt WUVu/ OVDG kp ygnn
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6
3.0 CURRENT ASSESSMENT ACTIVITIES
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rtkqt vq ucornkpi/ Itqwpfycvgt ucorngu ygtg eqnngevgf htqo vjg oqpkvqtkpi ygnnu wukpi ugrctcvg
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4.0 GROUNDWATER SAMPLING RESULTS
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7
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Ngcf cv eqpegpvtcvkqpu qh 1/449 wi0N- 3/12 wi0N- 2/22 wi0N- cpf 5/58 oi0N- tgurgevkxgn{/
Vjg ucorngu htqo IOY.6 jcf fgvgevkqpu qh Ectdqp vgvtcejnqtkfg- Vgvtcejnqtqgvjgpg- cpf Ngcf
cv eqpegpvtcvkqpu qh 1/588 wi0N- 2/;8 wi0N- cpf 1/11793 oi0N- tgurgevkxgn{/
Vjg ucorngu htqo YY20YUY.2 jcf fgvgevkqpu qh Ectdqp vgvtcejnqtkfg- Vgvtcejnqtqgvjgpg-
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eqpuvkvwgpvu ygtg fgvgevgf kp vjg hqwt ucorngu cv eqpegpvtcvkqpu cdqxg vjg PEFGS Itquu
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5.0 CONCLUSIONS AND RECOMMENDATIONS
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"OY.2- OY.3- OY.5- cpf FY.2 ctg rtguwogf fguvtq{gf cu yg eqwnf pqv nqecvg vjgo/
"IOY.5 cpf IOY.6 ygtg kpuvcnngf kp 3132 dwv pq tgrqtvu qt ygnn eqpuvtwevkqp kphqtocvkqp
eqwnf dg hqwpf/
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2;;6/
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9
TABLES
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10
FIGURES
APPENDIX A
Laboratory Analytical Report