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HomeMy WebLinkAboutMO-29044_48233_G_NORR_20230322 March 22, 2023 Sam's Mart, Inc 7935 Council Place, #200 Matthews, NC 28105 Attention: Adnan Jazairi Re: Notice of Regulatory Requirements 15A NCAC 2L .0407(d) [Intermediate Risk] Risk-based Assessment and Corrective Action For Petroleum Underground Storage Tanks Sams Mart 37 2700 North Tryon St Charlotte, NC Incident Number: 48233 Risk Classification: Intermediate Mr. Jazairi: The Free Product Recovery Report received on October 3, 2022, along with the file for former incident 15792 have been reviewed by the UST Section, Division of Waste Management. It has been determined that the Free Product discovered during the attempted abandonment of MW-2 is associated with the UST system closed in November of 2021. Title 15A NCAC 2L .0407(d) [Intermediate Risk] requires you to comply with the assessment and cleanup requirements of Title 15A NCAC 2N .0706 and Title15A NCAC 2L .0106(c) and 2L .0106(g). 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 complete and submit a Risk Assessment Report within 90 days of this notice. This report supplements the LSA through the assessment of groundwater characteristics and the risk to nearby receptors. Specifically, the Risk Assessment Report should include, at a minimum: • The installation of three horizontal extent monitoring wells to define the extent of free product. One monitoring well shall be installed upgradient of the source of contamination and two monitoring wells shall be installed downgradient of the source of contamination, as best as can be determined, and located such that groundwater flow direction and hydraulic gradient may accurately be determined. • New wells are to be checked for Free Product. For wells that do not indicate the presence of Free Product, collect groundwater samples from the monitoring wells, analyzed by the appropriate method(s) for the constituents relevant to the release. • The survey of all monitoring wells and collection of potentiometric data for the completion of a potentiometric surface / groundwater elevation and flow map. Because a release or discharge has been 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 in accordance with 15A NCAC 2L .0103(e) and 2L .0111(b). North Carolina Department of Environmental Quality | Division of Waste Management Mooresville Regional Office | 610 East Center Avenue | Suite 301 | Mooresville, NC 28115 | (704) 663-1699 Effective October 1, 2004, the Department of Environmental Quality requires that all work not determined to be an emergency response or associated with risk assessment (i.e., the Limited Site Assessment Report, per Title 15A NCAC 2L .0405) must be preapproved if State Trust Fund reimbursement is anticipated. To comply with this requirement, a completed Preapproval/Claim Authorization Form, encompassing the required comprehensive assessment activities must be received in this office within 14 days of the date of this letter. However, as the Risk Assessment Report qualifies as an exempted scope of work, written preapproval is required (CAB Only task authorization if less than $25,000) to complete the activities described above, as documented under Task 2.610 in the 2021 Reasonable Rate Document, Version 4/1/2021. Upon completion of any eligible activities, you should submit your claim promptly. Reimbursement funds are budgeted based on completed preapprovals, but delays in reimbursement or even denial due to exceeding the statute of limitations on claiming eligible costs can result where claims are not submitted immediately following work completion. If you have any questions regarding trust fund eligibility or reimbursement from the Commercial Leaking Petroleum Underground Storage Tank Cleanup Fund, please contact the UST Section Trust Fund Branch at (919) 707-8171. 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, Daniel Bowser, PG Hydrogeologist UST Section, Division of Waste Management, NCDEQ Mooresville Regional Office (704) 235-2172 cc via email: Aaron Long, PE, Excel Ron Taraban, UST Section, Division of Waste Management Shawna Caldwell, LUESA- Mecklenburg County Health Department