MO-30291_0_G_NORR_20231213_Murphy USA 6676

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

December 13, 2023

Murphy USA
Attn: Stephen Powlus
200 E. Peach Street
El Dorado, AR 71731

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

Murphy Express #6676
557 A 3rd Street SW
Alexander County
Facility ID#: 00-0-0000036309
Incident Number: MO-30291
Risk Classification: Pending
Ranking: Pending

Dear Mr. Powlus:
The information received by the Mooresville Regional Office of the UST Section, Division of Waste
Management, on September 28, 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.

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 (December 22, 2023). The results of the site check must be received by this
office within 30 days of receipt of this notice (January 12, 2024). If a release or discharge is confirmed, a
Licensed Geologist or a Professional Engineer, certified by the State of North Carolina, is required to
Page 2 of 2 December 13, 2023
North Carolina Department of Environmental Quality | Division of Waste Management Mooresville Regional Office | 610 East Center Avenue | Suite 301 | Mooresville, NC 28115 | [phone]

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 [e-mail] or at the address or telephone number listed below.
Sincerely,

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

cc: Bert Gibson, Alexander County Health Department (Via Email)
Mary Arnold, Groundwater & Environmental Services, Inc. (Via Email)