WQ0040265_Correction_20200110

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Director
NORTH CAROLINA
Environmental Quality
January 10, 2020
WAYNE FENTON — ASSISTANT SOLID WASTE DIRECTOR
CITY OF DURHAM
101 CITY HALL PLAZA
D[.JRHAM, NORTH CAROLINA 27701
Subject: Permit No. WQ0040265
Correction
North Durham Composting DCAR
Residuals Management System
Durham County
Dear Mr. Fenton:
In accordance with your written request received January 30, 2019, we are forwarding herewith a
corrected Page 1 of Permit No. WQ0040265 issued January 22, 2019.
The correction to the subject permit is as follows:
1. The facility description on Page 1 has been changed from:
"construction and operation of a residuals management program for the City of Durham and
consisting of 28 drying beds and nine windrow composting bad areas; for the distribution of
Class A residuals generated by the approved facilities listed in Attachment A..."
to: "construction and operation of a residuals management program for the City of Durham and
consisting of a residuals. aerobic composting facility for the City of Durham using a positive
extended aerated static pile system; for the distribution of Class A residuals generated by the
approved facilities listed in Attachment A ..."
Please replace Page 1 of Permit No. WQ0040265 issued January 22, 2019, with the enclosed
corrected Page 1.
If you need additional information concerning this permit correction, please contact Erick Saunders
at [phone] or erickson.saundersCa:ncdennaov.
Sincerely,
lnda Culpepper, Director
Division of Water Resources
��� North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617
NORTH CAROUNA
DWp NW.IERR -411 woa 919.707.9000

Mr. Wayne Fenton
January 10, 2020
Page 2 of 2
Enclosure
cc: Durham County Health Department (Electronic Copy)
Raleigh Regional Office, Water Quality Regional Operations Section (Electronic Copy)
John R. Fearington, PE — Smith Gardner, Inc.
Jorge L. Montezuma, PE — Wanu Engineering & Consulting PLLC (Electronic Copy)
Beth Buffington — Protection and Enforcement Branch (Electronic Copy)
Digital Permit Archive WQ0040265 (Electronic Copy)
Central Files

I.
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENTAL QUALITY
RALEIGH
DISTRIBUTION OF CLASS A RESIDUALS PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERNUSSION IS HEREBY GRANTED TO
City of Durham
Durham County
W61161a11
construction and operation of a residuals management program for the City of Durham and consisting of a
residuals aerobic composting facility for the City of Durham using a positive extended aerated static pile
system; for the distribution of Class A residuals generated by the approved facilities listed in Attachment
A with no discharge of wastes to surface waters, pursuant to the application received August 31, 2018, and
subsequent additional information received by the Division of Water Resources, and in conformity with the
project plans, specifications, and other supporting data subsequently filed and approved by the Department
of Environmental Quality and considered a part of this permit. The use and disposal of residuals are
regulated under Title 40 Code of Federal Regulations Part 503. This permit does not exempt the Permittee
from complying with the federal regulations.
This permit shall be effective from the date of issuance until September 30, 2024, and shall be subject to
the following specified conditions and limitations:
1. No later than six months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted, will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note Rule 15A
NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal application.
[15A NCAC 02T .0108(b)(2), 02T .0105(d), 02T .0109]
H. PERFORMANCE STANDARDS
1. The subject residuals management program shall be effectively maintained and operated at all times so
there is no discharge to surface waters, nor any contravention of groundwater or surface water
standards. In the event the facilities fail to perform satisfactorily, including the creation of prolonged
nuisance conditions due to improper operation and maintenance, the Permittee shall immediately cease
distribution of residuals, contact the Raleigh Regional Office supervisor, and take any immediate
corrective actions. [G.S. 143-215.1]
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2. This permit shall not relieve the Permittee of responsibility for damages to groundwater or surface
water resulting from the operation of this residuals management program. [15A NCAC 02B .0200,
02L .0100]
Only residuals generated by the facilities listed in Attachment A are approved for distribution in
accordance with this permit. [G.S. 143-215.1]
4. Pollutant concentrations in residuals distributed or applied to any land application site shall not exceed
the following Ceiling Concentrations or Monthly Average Concentrations (i.e., dry weight basis):
Parameter
Arsenic
Cadmium
Copper
Ceiling Concentration
(milligrams per kilogram)
75
85
4,300
Monthly Average
Concentration
(milligrams per kilogram)
41
39
1,500
Lead
840
300
Mercury
57
17
Molybdenum
75
n/a
Nickel
420
420
Selenium
100
100
Zinc
7,500
2,800
[15A NCAC 02T. 1105]
5. Residuals that are distributed shall meet Class A pathogen reduction requirements in 15A NCAC 02T
.1106 (a) and (b). Exceptions to this requirement shall be specified in Attachment A. [ 15A NCAC 02T
.1106]
Biological residuals (i.e. residuals generated during the treatment of domestic or animal processing
wastewater, or the biological treatment of industrial wastewater, and as identified in Attachment A)
that are distributed shall meet one of the vector attraction reduction alternatives in 15A NCAC 02T
.1107(a). Exceptions to this requirement shall be specified in Attachment A. [ 15A NCAC 02T .1107]
7. Setbacks for treatment and storage facilities shall be as follows:
Setback Description Setback
(feet
Habitable residence or place of public assembly under separate ownership or not to 100
be maintained as part of the wo'ect site
Property lines 50
Private or public water supply 100
Surface waters (streams — intermittent and perennial, perennial waterbodies, and 50
wetlands)
Wells with exception to monitoring wells
[15A NCAC 02T. 1108]
100
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