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HomeMy WebLinkAboutNC0029033_IUP mod_20210527DocuSign Envelope ID: 0A47681 3-4947-441 B-8A93-DF97A984A85B
ROY COOPER
Governor
DIONNE DELLI-GATTI
Secretary
S. DANIEL SMITH
Director
NORTH CAROLINA
Environmental Quality
City of Raleigh 5/27/2021
Attn: Kevin Heavner, Pretreatment Specialist
PO Box 590
Raleigh, NC 27602
Transmitted via email to kevin.heavner@raleighnc.gov
Subject:
Pretreatment Review of Industrial User Permit Modification
Program: City of Raleigh
WWTP: Neuse River Resource Recovery Facility - NPDES #:NC0029033
Wake County
Dear Kevin Heavner:
The Municipal Unit of the Division of Water Resources has reviewed the Industrial User Pretreatment
Permit (IUP) modification submitted by the City of Raleigh for the following Significant Industrial User
(SIU).
IUP #
STM1
SIU NAME
STM, Inc.
The IUP modification was received by the Division on April 30, 2021. The review indicates that the IUP is
adequate and meets the minimum requirements of 15A NCAC 2H .0905 - .0916 and 40 CFR
403.8(f)(1)(iii). The IUP was modified to increase the daily maximum limit for cadmium from 0.01 mg/L
to 0.07 mg/L, consistent with CFR 433.
Regardless of this approval action today, within 180 days of the effective date of any reissued/modified
NPDES permit, the Permittee would be required to submit to the Division a written technical evaluation of
the need to revise local limits (i.e., an updated IWS, or documentation of why one is not needed). This
action may include revising, updating, or adding to the list of SIUs regardless of timeframe.
Federal and State pretreatment regulations require the local delegated pretreatment program to effectively
control and document the wastewater discharge from SIUs to the POTW. It is the POTW's responsibility
to ensure that these objectives are consistently met.
Thank you for your continued support of the Pretreatment Program. If you have any questions or comments,
please contact Diana Yitbarek at 919 707-9130 [diana.yitbarek@ncdenr.gov] or the Unit Supervisor,
Michael Montebello, at 919 707-3624[michael.montebello@ncdenr.gov].
Sincerely,
DocuSigned by:
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for S. Daniel Smith, Director
Division of Water Resources
dy/Raleigh.iup.088
Ec: Cheng Zhang, RRO
Central Files (Laserfische) and Municipal Unit File
NORTH CAROLINA
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Department of Environmental Duaii�
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
919.707.9000