NC0026051_Pretreatment_IUP_Renewal_Letter_20231107

DocuSign Envelope ID:959F574E-895B-453F-B5A8-EAF8AA455E49
rw
ROY COOPER
Governor
ELIZABETH S.BISERr=�*
Secretary •E .
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
11/7/2023
Via Electronic Mail(aimoore&dconc.gov)
Amy Moore
Laboratory&Compliance Manager
Durham County Engineering and Environmental Services
5926 Highway 55 East
Durham,NC 27713
Subject: Pretreatment Review of Industrial User Pretreatment Permit Renewal
Program: County of Durham
Wastewater Treatment Plant: Triangle WWTP
NPDES#: NCO026051
Durham County
Dear Amy Moore:
The Municipal Unit of the Division of Water Resources has reviewed the Industrial User Pretreatment Permit
(IUP)renewal submitted by the County of Durham for the following Significant Industrial User(SIU). The IUP
was received by the Division on October 20t'',2023.
SIU# F SIU NAME
DC-106 1 TriPharm Services, Inc. dba Alcami Corporation
The review indicates that the IUP is adequate and meets the minimum requirements of 15A NCAC 2H .0905
and .0916 and 40 CFR 403.8(f)(1)(iii). The allocation table,maintained in the Division's database,has been
updated accordingly.
Regardless of this approval action today,within 180 days of the effective date of any reissued NPDES permit(or
any subsequent NPDES permit modification)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 Significant Industrial Users(SIU's).
Federal and State pretreatment regulations require the local delegated pretreatment program to effectively
control and document the discharge of wastewater from Significant/Categorical Industrial Users to the POTW. It
is the POTW's responsibility to ensure that these objectives are consistently met.
If you have any questions or comments,please contact Natalie Gorensek at(919) 707-3660 [email:
natalie.gorensekkdeq.nc. og_v] or Octavio Henriquez at(919) 707-3662 [email: octavio.henriquez(kdeq.nc..og_v1.
Thank you for your continued support of the Pretreatment Program.
Sincerely,
by:
nhg/du_triangle_tripharm iup_ren_137 E � NKhbCV b
Ec: Municipal Unit File C464531431644FE_
Cheng Zhang,RRO for Richard E. Rogers,Jr.,Director
Central Files(Laserfiche) Division of Water Resources
North Carolina Department of Environmental Quality I Division of Water Resources
D E Q 512 North Salisbury Street 11611 Mail Service Center I Raleigh,North Carolina 27699-1611
919.707.9000