MO-1810_13400_G_C_20190807_Report Receipt Letter

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
MICHAEL SCOTT
Director
Security Oil Company
Attn: Dale Carpenter
Post Office Box 5028
Concord, NC 28027
(via email)
Dear Mr. Carpenter:
NORTH CAROLINA
Environmental Quality
January 25, 2019
Re: Acknowledgement of Report Receipt
Rocky River Grocery
7939 Rocky River Rd., Concord
Cabarrus County
Incident number: 13400
Risk Classification: High
The UST Section, Division of Waste Management (DWM), Mooresville Regional Office (MRO)
received the June 27, 2019 Monitoring Report on July 1, 2019. The report recommending continued
semi-annual monitoring (May and November) was reviewed and approved on August 7, 2019. The paper
report copy will be maintained in the MRO. The electronic copy has been loaded to the electronic
document storage system (Laserfiche).
The report indicates:
• Free product was not detected in the on -site monitoring wells during the May 2019 sampling
event. MADEP aliphatic (C5-C8) and aromatic (C9-C22) constituent concentrations decreased in
monitoring wells MW-2A and increased in MW-8 when compared to the November 2018
sampling event. Aliphatic (CS- C8) and aromatic (C9-C22) both exceed their respective 2L
Standard in monitoring well MW-8. Only aromatic (C9-C22) exceeds the 2L Standard in
monitoring well MW-2A.
• Overall volatile organic compound (VOC) concentrations have slightly increased above non -
detection limits in monitoring well MW-3A from the previous November 2018 sampling event,
but remain to be below 2L Standards, and decreased in monitoring wells MW-8 and MW-2A.
The naphthalene concentration in MW-8 was detected above the 2L Standard during the May
2019 sampling event but results indicate a slight decrease from the previous sampling event.
• Total lead was not detected in any of the monitoring wells sampled during the May 2019
sampling event. Historically, there does not appear to be a correlation between the total lead
North Carolina Department of Environmental Quality I Division of Waste Management
Mooresville Regional Office 1 610 East Center Avenue, Suite 301 1 Mooresville, North Carolina 28115
704.663.1699

detections and petroleum constituent detections. The presence of total lead is considered to be
naturally -occurring.
Dissolved phase petroleum constituent compound concentrations have remained non -detect in
monitoring wells MW-1, MW-4A, MW-5A, MW-6A, MW-7, DMW-1 and DMW-2.
The next semi-annual groundwater monitoring event shall occur in November 2019 with the
Groundwater Monitoring Report submittal due to this office by December 31, 2019. Please note that
sampling and correction action must be conducted in accordance with the Guidelines for Assessment and
Corrective Action for UST Releases. Failure to comply in the manner and time specified may result in
the assessment of civil penalties and/or the use of the other enforcement mechanisms.
Please note that the AS/SVE remediation system must be properly maintained and the switch
ready in case future use is necessary.
If you have any questions regarding trust fund eligibility or reimbursement from the Commercial
or Noncommercial Leaking Petroleum Underground Storage Tank Cleanup Funds, please contact the
UST Section Trust Fund Branch at [phone]. If you have any questions regarding the actions that
must be taken or the rules mentioned in this letter, please contact me by email at
Trudy.Beverlykncdenr. og_v or telephone at [phone].
Sincceer¢ellyy, ,yI
;60j+
Trudy Beverly, L.G.
Hydrogeologist
Mooresville Regional Office
UST Section, Division of Waste Management, NCDEQ
cc: Mike Downs, Cabarrus County Manager (via email)
David Troutman, Cabarrus County Health Department (via email)
Matthew Smith & Thomas Witner, Shield Engineering, Inc. (via email)
pannwY*�` n�ia.nama aal�
North Carolina Department of Environmental Quality I Division of Waste Management
Mooresville Regional Office 1 610 East Center Avenue, Suite 301 1 Mooresville, North Carolina 28115
704.663.1699

Beverly, Trudy
From: Beverly, Trudy
Sent: Wednesday, August 7, 2019 11:08 AM
To: Dale Carpenter
Cc: Matthew Smith; Thomas Witner; Mike Downs; David Troutman; Watson,
Edward M
Subject: Rocky River Grocery - UST Incident #13400 — Acknowledgement of Report
Receipt
Attachments: MO-1810_13400_G_C_20190807_Report Receipt Letter.pdf
Please see the attached Acknowledgement of Report Receipt letter for Rocky River Grocery located at 7939
Rocky River Road, Concord, Cabarrus County, North Carolina (Incident #13400).
Trudy
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LrrKO corresponderiou to arxd trorn this acidress i8 subject to the
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Office Mailing Address:
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Branch's Underground Storage Tanks Website Address: htWs:Hdeq.nc.gov/about/divisions/waste-manaaement/ust
Branch's Above Ground Storage Tanks Website Address: hit2s://deq.nc.gov/about/divisions/waste-management/ust/ast-
rroogram
INTERACTIVE MAPS WITH DWM SITES AND PERMITTED FACILITIES:
https://deg.nc.gov/about/divisions/waste-management/waste-management-rules-data/waste-mana eg ment-gis-mates
File Review Procedures:
https://deq.ne. gov/about/divisions/waste-management/ust/file-review-procedures#mooresville-regional-office
ONLINE ACCESS TO UST SECTION DOCUMENTS (Laserfiche):
https:Hedoes.deq.nc.gov/WasteManagement/Search.aspxx
Document Submittal & UST File Names for Laserfiche Policies:
https:llfiles.nc. gov/ncdeq/Waste%20Management/DWM/UST/Corrective%2OAction/Electronic%2ODocument%2OSubmittal
%20Memo%20Update.pdf
hllps:Hfiles.nc. gov/ncdeq/Waste%20Management/DWM/UST/Corrective%2OAction/UST%20file%20names%20for%2OLas
erfiche.docx