MO-29963_49049_G_NORR_20230609

North Carolina Department of Environmental Quality | Division of Waste Management
Mooresville Regional Office | 610 East Center Avenue | Suite 301 | Mooresville, NC 28115 | [phone]

June 9, 2023

Murphy USA, Inc.
200 East Peach Street
El Dorado, AR 71731
Attn: Ryan Pederson (Via Email)

Re: Notice of Regulatory Requirements
15A NCAC 02N .0601 and .0603
Investigation and Confirmation of a Suspected
Release from an Underground Storage Tank

Murphy USA #7214
721 Leonard Avenue, Albemarle
Stanly County
Facility ID#: 00-0-0000036740
Incident Number: 49049
Risk Classification: Pending
Ranking: Pending

Dear Mr. Pederson:
The information received by the Mooresville Regional Office of the UST Section, Division of Waste
Management, on June 1, 2023 indicates the potential for a suspected release onsite based upon monitoring
results from an approved release detection method that indicate a release may have occurred.
Records indicate that you are the owner or operator of this UST system. Therefore, you must immediately
investigate to confirm the suspected release pursuant to Title 15A NCAC 02N .0603. To achieve
compliance with this rule, you must:
1. conduct tank tightness tests for each UST in accordance with federal regulation 40 CFR 280.43(c)
(as incorporated by Title 15A NCAC 02N .0504),
2. conduct line tightness tests for each piping system associated with a UST in accordance with 40
CFR 280.44(b) (as incorporated by Title 15A NCAC 02N .0505), and
3. conduct a site check in accordance with 40 CFR 280.52(b) (as incorporated by Title 15A NCAC
02N .0603) as described in the most recent version of the Guidelines for Site Checks, Tank Closure,
and Initial Response and Abatement, as available at https://deq.nc.gov/about/divisions/waste-
management/ust/guidance-documents.

Page 2 of 2
Incident Number 49049
June 9, 2023

North Carolina Department of Environmental Quality | Division of Waste Management
Mooresville Regional Office | 610 East Center Avenue | Suite 301 | Mooresville, NC 28115 | [phone]

The results of the tank tightness test(s) and line tightness test(s) must be received by this office within 7
days of receipt of this notice. The results of the site check must be received by this office by September 1,
2023. If a release or discharge is confirmed, a Licensed Geologist or a Professional Engineer, certified by
the State of North Carolina, is required to prepare, and certify all reports submitted to the Department of
Environmental Quality in accordance with Title 15A NCAC 02L .0103(e) and 02L .0111(e).
Failure to comply in the manner and time specified may result in the assessment of civil penalties
and/or the use of other enforcement mechanisms.
Please note that the aforementioned site investigation efforts described above are routine leak detection
procedures required by rule and are not eligible for reimbursement from the Commercial Leaking Petroleum
Underground Storage Tank Cleanup Fund (Trust Fund) reimbursement under North Carolina General
Statute (G.S.) 143-205.94B(b)(8), (except for portions that are applicable for incorporation into a separate,
eligible phase of work, such as an Initial Abatement Action or Limited Site Assessment, etc.). If you have
any questions regarding Trust Fund eligibility or reimbursement, 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 at the address or telephone number listed below.
Sincerely,

Ryan C Mills
Environmental Program Consultant
Mooresville Regional Office
UST Section, Division of Waste Management, NCDEQ

cc: David Ezzell, Stanly County Health Department (Via Email)
Thomas Chmura, Senior Operations Manager, Groundwater & Environmental Services (Via Email)