Riverbend Certification of Compliance with CAMA Closure Requirements

DocuSign Envelope ID: 022E99BD-9A88-498D-9FD3-536BC449F809
ROY COOPER NORTH CAROLINA
Governor Environmental Quality
MICHAEL S. REGAN
secretary
October 9, 2020
Paul Draovitch
Senior Vice President
Environmental, Health, & Safety
Duke Energy
526 South Church Street
Mail Code EC3XP
Charlotte, North Carolina 28202
Subject: Documentation of Compliance with the Coal Ash Management Act Session Law
2016-95 House Bill 630 General Statute 130A-309.214(a)(4) and (c)
Riverbend Steam Station —Ash Basin 1 and Ash Basin 2
Dear Mr. Draovitch:
The North Carolina Department of Environmental Quality (DEQ) has reviewed submittals made
by Duke Energy concerning the coal ash impoundment excavation of Ash Basin 1 and Ash Basin
2 at the Riverbend Steam Station in Gaston County. DEQ is providing this correspondence to
Duke Energy as documentation of compliance with part of Session Law 2016-95 (House Bill 630)
referred to as the Coal Ash Management Act (LAMA) for the closure of the Riverbend Steam
Station (Riverbend).
On December 6, 2019, DEQ sent Duke Energy a letter titled Documentation of Compliance with
the Coal Ash Management Act of 2014, Session Law 2014-12Z Section 3. (b), 3. (c)(1) and 3. (c)(2)
Coal Ash Impoundment Excavation and Closure, Riverbend Steam Station — Ash Basin 1 and Ash
Basin 2) in which DEQ concurred that Duke Energy complied with CAMA Session Law 2014-
122 Section 3.(b), 3.(c)(1), and 3.(c)(2).
Within the December 6, 2019 letter, DEQ requested that Duke Energy provide a closure report for
the facility in order to further satisfy the requirements under CAMA House Bill 630 General Statue
130A-309.214(a)(4). In response, Duke Energy provided the following documentation:
March 11, 2020 — Documentation of Compliance with, the Coal Ash Management Act of
2014, Session Law 2014-122, Section 3.(b), 3.(c)(1) and 3.(c)(2) Coal Ash Impoundment
Excavation and Closure, Riverbend Steam Station — Ash Basin 1 and Ash Basin 2)
July 22, 2020 — Response to Division of Environmental Quality's July 6, 2020 Letter
Providing Comment to Documentation of Compliance with the Coal Ash Management Ash
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North Carolina Department of Environmental Quality
217 West JonesStreet 1 1601 Mail Service Center I Raleigh, North Carolina 27699-1601
919.707.8600

DocuSign Envelope ID: 022E99BD-9A88-498D-9FD3-536BC449F809
of 2014, Session Law 2014-122, Section 3.(b), 3.(c)(1) and 3.(c)(2), Coal Ash
Impoundment Excavation and Closure, Riverbend Steam Station — Ash Basin 1 and Ash
Basin 2
Based on a review of the documents noted above along with previously submitted documentation
and upon DEQ approval of the Updated Corrective Action Plan (due to be submitted on November
2, 2020), Duke Energy will have fully satisfied the requirements of CAMA House Bill 630 General
Statute 130A-309.214(a)(4) for the subject facility.
Please also note that Duke Energy has yet to comply with CAMA Session Law 2014-122 Section
3.(c)(3), as corrective action is ongoing at the facility as stated in DEQ's December 6, 2019 letter.
If you have any questions, please contact Steve Lanter (Central Office) at [phone].
Sincerely, Sincerely,
DoxuBgned by:
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l`1-4BC884F381C6448...
WcBolich, L.G., Chief Edward F. Mussler III, P.E., Chief
Groundwater Resources Section Solid Waste Section
Division of Water Resources Division of Waste Management
cc: MRO WQROS Regional Office Supervisors (Electronic)
GWRS Central File Copy
Sheila Holman — DEQ (electronic copy)
George Eller — DEMLR (electronic copy)
North Carolina Department of Environmental Quality
217 West Jones Street ; 1601 Mail Service Center I Raleigh, North Carolina 27699-1601
919.707.8600