310014_Additional Information Request_20210610

ROY COOPER
Governor
JOHN NICHOLSON
Interim Secretory
S. DANIEL SMITH
Director
NORTH CAROLINA
Environmental Quality
June 10, 2021
CERTIFIED MAIL - # 7017 0190 0000 1635 3580
RETURN RECEIPT REQUESTED
Ironside Investment Management, LLC
DM Farms Sec 3 Sites 1-3, Wendy 3-8
PO Box 1139
Wallace, NC 28466
Subject: Additional Information Request
Application No. AWS310014
DM Farms Sec 3 Sites 1-3, Wendy
3-8
Duplin County
Ironside Investment Management LLC:
The Animal Feeding Operations Program of the Division of Water Resources (Division) has
completed a preliminary review of the subject application received on April 22, 2021 for permit
modification to cover the existing DM Section 3, Site 3 Secondary Lagoon in converting it into a
digester (Digester) to capture biogas as a part of the proposed waste -to -energy system at the DM
Farms Sec 3 Sites 1-3, Wendy 3-8 facility. Additional information is required before we may
continue our review. Please address and submit the following item(s) within 30 (thirty) days of
receipt of this letter.
❑ Table 1. Identification List — Sheet C.2.16.1 — IPS-1B-PS, Influent Pump Station B refers
to Table 2B/C.2.18.1 for additional information. IPS-1C-PS, Influent Pump Station C
refers to Table 2C/C.2.18.1 for additional information. There is no sheet C.2.18.1. Please
confirm if the intended reference design sheet is C.2.16.1 for both entries. If not, please
submit sheet C.2.18.1.
❑ Liner design information — Please provide all available design information for the existing
earthen liner for the proposed Digester.
O Sludge Plan of Action (POA) — The November 23, 2020 sludge survey for DM 3-3
Secondary Lagoon that was provided as part of this application shows the sludge to be 53%
of the total treatment volume. Please provide a copy of the Sludge POA for this lagoon.
NORTH CAROUNA
Oeparbnenl or Environment.' Opall\
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11636 Mail Service Center I Raleigh, North Carolina 27699-1636
919.707.9129

Ironside Investment Management, LLC
Additional Information Letter
June 10, 2021
Page 2 of 2
❑ Sludge — Please provide description with necessary design details regarding the
management of sludge in the proposed Digester. This includes sludge measurement and
treatment/disposal.
❑ Gas Utilization — Please provide information for the intended onsite and/or offsite use of
the biogas.
❑ Clarification of Flare Model — The initial application indicated that a flare will be kept
onsite near the Digester. Please submit clarification regarding the flare model to be used,
i.e., open flare or closed flare.
❑ Gas Generation Estimate — Please submit an estimate for the daily volume of biogas to be
generated by the proposed Digester.
Please be aware that you are responsible for meeting all requirements set forth in North Carolina
rules and regulations. Any oversights that occurred in the review of the subject application
package are still the responsibility of the applicant. In addition, any omissions made in responding
to the above items shall result in future requests for additional information.
Please reference the subject application number when providing the requested information. All
revised and/or additional documentation shall be signed, sealed and dated, submitted to my
attention at the address below. Failure to provide this additional information on or before the
above requested date may result in your application being returned as incomplete.
If you have any questions regarding this letter, please feel free to contact me at [phone].
Sincerely,
CCAU-1:5VAR...
DocuSigned by:
I�►
( . a.WSOn.
715598463EA94B7...
Christine B. Lawson
Engineer
Animal Feeding Operations
cc: Wilmington Regional Office, Water Quality Regional Operations Section
Gus Simmons, Cavanaugh & Associates, 130 N Front St, Suite 202, Wilmington, NC
28401
Laserfiche — File No. 310014
NORTH CAROLJNA
D_E _
Oeparbneel of Envlranmenbl Quallry
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11636 Mail Service Center 1 Raleigh, North Carolina 27699-1636
919.707.9129