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HomeMy WebLinkAbout310740_Add-Info Response_20231227December 27, 2023 Christine Lawson, Engineer NCDEQ Division of Water Resources Animal Feeding Operations 1636 Mail Service Center Raleigh, NC 27699-1636 Subject: Response to Additional Information Request Application No. ADS310740 Victory Farm Duplin County Dear Mrs. Lawson, CAVANAU G H Stewardship Through Innova,,. Cavanaugh & Associates, P.A., on behalf of Hilton Agribusiness, LLC has reviewed your Additional Information Request, dated December 1, 2023, for the subject permit modification application for 'Victory Farm', which is noted to have been received by the Division on September 11, 2023; and has developed responses and additional supporting information to address each item in your letter. For your convenience, we have repeated the comments below in bold font, followed by the responses in italicized font. 1. Nutrient Management Plan (NMP) —The NMP submitted is dated April 15, 2020, includes a lease agreement in which Bill Burch grands Smithfield Hog Production Division permission to land apply swine waste on 148.18 acres. The lease is issued to the current owner and expires on May 31, 2025. a. Please provide an updated lease agreement issued to the current owner, or documentation that the lease agreement extends to the current owner. b. Please indicate in the NMP which land application fields are leased and which are owned. Response: The requested information will be coming separately from the owner 2. Biogas Use as a Renewable Energy Resource — Session Law 2023-63 (2023 Farm Act) requires that the gases collected by a farm digester system begin to be used as a renewable energy resource as quickly as feasible, but no later than within six months of the collection of gases. Until the gases are being used as a renewable energy resource the gas shall be flared rather than vented. a. Your application stated that the gas would be exported for use as a renewable energy resource within 12 months of construction. Please confirm that timeline also complies with Session Law 2023-63. Response: The applicant plans to begin export of the renewable energy resource within 6 months of collecting gases in accordance with Session Law 2023-63 (2023 Farm Act). b. Your application indicated that no emergency flare will be provided. Please verify a flare would be available and used if necessary for compliance with Session Law 2023- 63. Response: The applicant has made arrangements for the use of a portable flare should the need arise, which will be available and used if necessary for compliance with Session Law 2023-63. 3. Lagoon embankment — During the site visit conducted November 17, 2023, 1 noted that some areas on the east embankment of lagoon B did not have sufficient vegetative cover. Please describe plans for embankment maintenance/repair. Response: The area will be topped with suitable soil and seeded to establish grass. 4. Waste Level Gauge — Please indicate location/method for measuring waste levels in the digester, as it does not gravity feed to the secondary containment. Response: We are unclear of the use of "secondary containment" in this comment; the liquid level in the digester will be observed and measured via the level control station. S. Tail Gas from Gas Upgrading System (GUS) — Plans indicate that a GUS will be installed onsite to process the biogas. Plans indicate that remnant gas from GUS will be vented on -site. Please verify that this complies with Air Quality regulations. Also please identify location of nearest residences and any odor control BMPs to be implemented. Response: A Gas Upgrading System (GUS) will be installed onsite, and the non -methane portions of the biogas (remnant biogas) will be returned to the downstream lagoon. The anaerobic digester doesn't create more biogas than the existing lagoon system, it simply provides a method for capturing it, the remnant biogas will be entrained back into the lagoon liquid, which will assist with improved odor control, and will be naturally emitted as per the previously permitted facility. 6. Air Quality Permitting — Please provide general information regarding any Air Quality permits, and/or applicability determinations regarding this project. Please provide information about if applications have been filed, permits (if issued), and/or results of an applicability determination. Response: A determination has been made that the emissions fall below the minimum threshold for permitting; separate communications and correspondence have been concluded with the Division of Air Quality regarding this topic. Thank you for your assistance and review of the permit application package. Please do not hesitate to contact our office should you have any questions, comments, or require any additional information. Regards, Cavanaugh & Associates, P.A. 44 1117 6 ir Jeff P. Cappadona, P.E. Attachments cc: Hilton Agribusiness, LLC