NC0090158_Draft Permit_20230725

ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHAM E. ROGERS, JR.
Director
Fran West, Director of Development
Crescent Acquisitions, LLC
601 S. Tryon St
Suite 800
Charlotte, NC, 28202
Dear Mrs. West:
NORTH CAROLINA
Environmental Quality
July 25, 2023
Subject: Draft NPDES Permit NCO090158
W Carson Blvd & S Tryon St
Grade I Physical Chemical WPCS
Mecklenburg County
The Division has reviewed your request for an individual NPDES permit. Enclosed with this letter is a copy of the
draft permit for your facility. Please review this draft carefully to ensure your thorough understanding of the
information, conditions, and requirements it contains.
The draft permit includes the following significant proposed limitations, monitoring and reporting
requirements:
➢ Effluent limitations and monitoring requirements are outlined in Section A. (1) of the draft permit. The
proposed discharge has numeric and/or narrative limitations for pH, Naphthalene, Benzene, and other
pollutants of concern.
➢ In an effort to assess and reduce levels of emerging compounds in North Carolina, a re -opener condition
for 1,4-dioxane has been included in this permit as detailed in Section A. (3).
➢ Groundwater remediations must perform whole effluent toxicity (WET) testing. As detailed in Section A.
(2) of the draft permit, Acute toxicity pass/fail monitoring will be required on a Monthly basis.
➢ Additional effluent pollutant scans will be required on a Monthly basis as specified in Section A. (4).
➢ Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and program
reports. The final NPDES Electronic Reporting Rule was adopted and became effective on December 21,
2015. The requirement to begin reporting discharge monitoring data electronically using the NC DWR's
Electronic Discharge Monitoring Report (eDMR) internet application is outlined in Section A. (5) of the
draft permit. Facility owners must register to use the eDMR system and can find the registration forms on
our website at the following link: hLps:Hdeq.nc.gov/about/divisions/water-resources/edmr/user-
registration
Please note that Irwin Creek is listed as an impaired waterbody on the North Carolina 303(d) Impaired Waters
List. Addressing impaired waters is a high priority with the Division, and instream data will continue to be
evaluated. If there is noncompliance with permitted effluent limits and stream impairment can be attributed to
your facility, then mitigative measures may be required.
The NPDES standard conditions (Parts II, III, and IV) that are a part of the permit are not included in this draft
document (cover, map, and Part I). The latest version is available at https://bit.ly/3k5NFaL and can be viewed
online or downloaded as a PDF file.
D E Q �J North Carolina Department of Environmental Quality I Division of Water Resources
v 512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617
NORTH CAROLINA 919.707.9000
oepadmem of AmnmenW anal

Page 2 of 2
NPDES Permit NC0090158
DRAFT Permit
With this notification, the Division will solicit public comment on this draft permit by publishing a notice in
newspapers having circulation in the general Mecklenburg County area, per EPA requirements. Please provide
your comments, if any, to me at the address below no later than 30 days after receiving this draft permit.
Following the 30-day public comment period, the Division will review all pertinent comments and take
appropriate action prior to issuing a final permit. If you have questions concerning the draft, please contact me at
919-707-3712, or via e-mail at sydney.deuterman(kdeq.nc.gov.
Sincerely,
4bj:��
Sydney Deuterman
Environmental Specialist II
NPDES Compliance and Expedited Permitting
cc: NPDES File [Laserfiche]
Mooresville Regional Office [Laserfiche]
Operator Certification Program
Aquatic Toxicology Unit
ECS Southeast, LLP — Joseph P. Nestor, P.G, P.E.

NPDES Permit NCO090158
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
PDES
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended,
Crescent Acquisitions, LLC
is hereby authorized to discharge wastewater from a facility located at the
W Carson Blvd & S Tryon St. Dewatering/GW-REM
11029 1106, 1018 South Tryon St.
Charlotte
Mecklenburg County
to a storm water drain which flows to receiving waters designated as Irwin Creek in the Catawba River
Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in
Parts I, 11, I1I, and IV hereof
The permit shall become effective
This permit and the authorization to discharge shall expire at midnight on June 30, 2028.
Signed this day
Richard E. Rogers, Jr.
Director, Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 13

NPDES Permit NCO090158
SUPPLEMENT TO PERMIT COVER SHEET
Allprevious NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked, and
as of this issuance, anypreviously issuedpermit bearing this number is no longer effective. Therefore, the
exclusive authority to operate and discharge from this facility arises under the permit conditions, requirements,
terms, and provisions included herein.
Crescent Acquisitions, LLC
is hereby authorized to:
Begin operating a 0.05 MGD groundwater remediation system to treat temporary excavation
dewatering (short-term) and a long-term dewatering of permanent structures. This facility is located
at 1102, 1106, and 1018 South Tryon St. in Charlotte, Mecklenburg County and consists of the
following treatment components:
• One (1) 18,000-gallon frac tank*
• One (1) 1,000-gallon mixing/surge tank
• Three (3) pumps
• Two (2) particulate bag filters
• Two (2) granulated activated carbon (GAC) filters
• Totalizing flow meter
• Discharge line to storm sewer inlet
*to be removed after construction phase of the redevelopment project is complete.
2. After completing the construction phase of the redevelopment project, inform the Division of any
necessary alterations to the treatment system, as may be needed for a permanent, long-term
dewatering system, so that the Division may adjust permit Limits, Monitoring Requirements, and
Measuring Frequencies, as needed.
3. Discharge from said treatment works via Outfall 001 at a location specified on the attached map, into
a storm water sewer drain which flows to Irwin Creek [Stream Segment: 11-137-1], a waterbody
currently classified C in subbasin 03-08-34 [HUC: 030501030101] of the Catawba River Basin.
Page 2 of 13

NPDES Permit NCO090158
PART I
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.]
Grade I Physical Chemical WPCS [15A NCAC 08G .0306]
Beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to
discharge treated groundwater via Outfall 001. Such discharges shall be limited and monitored' by the
Permittee as specified below:
EFFLUENT CHARACTERISTICS
Parameter Code
I LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location
Flow (MGD) [50050]
0.05 MGD
Continuous
Recording
Effluent 2
pH (s.u.) [00400]
> 6.0 and
< 9.0 s.u.
Monthly
Grab
Effluent
Benzene (pg/L) 3 [340301
51 pg/L
51 pg/L
Monthly
Grab
Effluent
Chloroform (pg/L) 3 [32106]
2000 pg/L
2000 pg/L
Monthly
Grab
Effluent
1,2-dichloroethane (pg/L) 3 [32103]
650 pg/L
650 pg/L
Monthly
Grab
Effluent
Diisopropyl Ether (pg/L) 3 [815771
20,000 pg/L
20,000 pg/L
Monthly
Grab
Effluent
Naphthalene (pg/L) 3 [34696]
12 pg/L
12 pg/L
Monthly
Grab
Effluent
Organics, Total Purgeables (VOCs) 60291
(EPA Method 624.1) (pg/L) 4
Monitor & Re port
Monthly
Y
Grab
Effluent
Base Neutrals & Acids (Semi-VOCs)
(EPA Method 625.1) (pg/L) 4 n 6028]
Monitor & Re port
Monthly
Grab
Effluent
Acute Whole Effluent Toxicity 5 [TGE6C]
Monitor & Report
Monthly
Grab
Effluent
Footnotes:
1. Beginning on the Effective Date, the Permittee shall submit Discharge Monitoring Reports
electronically using NC DWR's eDMR application system. See Section A. (5).
2. Effluent samples shall be collected after the last carbon filter designated as final treatment
before discharge to the City of Charlotte's storm sewer system.
3. All practical quantitation limits (PQL) must be sufficiently sensitive considering the respective water quality
standard for each parameter [see Part II. Section D. (4.)].
4. See Section A. (4) for monitoring and reporting requirements for analytes detected by EPA test
Methods 624.1 and 625.1.
5. Whole Effluent Toxicity (WET): Acute, 24-hour Pass/Fail static test using Fathead Minnow
(Pimephales promelas) at 90% [see Section A. (2)]. WET -test samples shall be collected
concurrently with the samples for the parameters of concern (POC) (parameters indicated by
Footnote 3).
There shall be no discharge of floating solids or foam.
Discharge shall show no evidence as a source for oily film or sheen on the receiving stream.
Page 3 of 13

NPDES Permit NCO090158
A. (2) ACUTE TOXICITY PASS/FAIL MONITORING (MONTHLY)
[15A NCAC 02B .0500 et seq.]
The permittee shall conduct acute toxicity tests on a Monthly basis using protocols defined in the North
Carolina Procedure Document entitled "Pass/Fail Methodology For Determining Acute Toxicity In A
Single Effluent Concentration" (Revised -December 2010, or subsequent versions).
The monitoring shall be performed as a Fathead Minnow (Pimephales promelas) 24-hour static test. The
effluent concentration at which there may be at no time significant acute mortality is 90% (defined as
treatment two in the procedure document). Effluent sampling for this testing must be obtained during
representative effluent discharge and shall be performed at the NPDES permitted final effluent discharge
below all treatment processes.
The parameter code for Pimephales promelas is TGE6C. All toxicity testing results required as part of
this permit condition will be entered electronically using the Division's eDMR system for the month in
which it was performed, using the appropriate parameter code. Additionally, DWR Form AT-2
(original) is to be sent to the following address:
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, NC 27699-1621
Or, results can be sent to the email, ATForms.ATBkncdenr.gov.
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30
days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature.
Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is
employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during any month, the permittee will complete the
information located at the top of the aquatic toxicity (AT) test form indicating the facility name, permit
number, pipe number, county, and the month/year of the report with the notation of "No Flow" in the
comment area of the form. The report shall be submitted to the Water Sciences Section at the address
cited above.
Should any test data from either these monitoring requirements or tests performed by the North Carolina
Division of Water Resources indicate potential impacts to the receiving stream, this permit may be re-
opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival and appropriate environmental controls, shall constitute an invalid test and will
Page 4 of 13

NPDES Permit NCO090158
require immediate follow-up testing to be completed no later than the last day of the month following
the month of the initial monitoring.
A. (3) 1,4-DIOXANE RE -OPENER
[G. S. 143-215.1(b)]
Pursuant to N.C. General Statutes Section 143-215.1 and the implementing rules found in the North
Carolina Administrative Code at 15A NCAC 2H.0112 (b) (1) and 211.0114 (a) and Part II, Sections B-12
and B-13 of this permit, the Director of DWR may reopen this permit to modify permit requirements to
address 1,4-Dioxane monitoring, treatment and/or compliance.
A. (4) ADDITIONAL MONITORING REQUIREMENTS
[G.S. 143-215.1(b)]
a) EPA Method 624.1— Organics, Total Purgeables (VOCs). The permittee shall conduct annual
effluent pollutant scans using protocols as defined in E.P.A. Document EPA 821-R-16-008 entitled
"Method 624.1: Purgeables by GC/MS". The parameter code for reporting whether the EPA Method
624.1 scan has been performed is 76029. Parameter codes for reporting specific analytes associated
with this method are listed in EPA Method 624.1: Tables 1 and 2 below.
b) EPA Method 625.1— Base Neutrals & Acids (Semi-VOCs). The permittee shall conduct annual
effluent pollutant scans using protocols as defined in E.P.A. Document EPA 821-R-16-007 entitled
"Method 625.1: Base/Neutrals and Acids by GC/MS". The parameter code for reporting whether the
EPA Method 625.1 scan has been performed is 76028. Parameter codes for reporting specific
analytes associated with this method are listed in EPA Method 625.1: Tables 1, 2 and 3 below.
c) Standard Conditions. Analytical methods shall be in accordance with 40 CFR Part 136 and shall be
sufficiently sensitive to determine whether parameters are present in concentrations greater than
applicable standards and criteria (See Part IL Section D). Laboratory reports shall be kept on file in
accordance with records retention requirements found in Part II. Section D.
d) Effluent Scan Reporting.
i) For the eDMR application system, under the parameter code for the pollutant scan (76029 or
76028), indicate whether the test was performed by entering "1" for "yes" or "0" for "no".
ii) Any detection of analytes shall be entered in eDMR, using the appropriate parameter code listed
in the tables below. Once an analyte is detected, the parameter should be reported in eDMR at
the same monitoring frequency as the pollutant scan until further notice by the Division.
iii) Parameter codes noted with "+" in the tables below may not currently be allowed in eDMR and
will need to be added by the eDMR administrator. Please submit requests to add parameters to
the appropriate eDMR contacts with the Division.
iv) Any analytes in the tables below that do not have an assigned parameter code are noted as "No
Code". These parameters shall be noted in the comments section of eDMR by noting the analyte
detected, the CAS Registry No. and the reported concentration.
Page 5 of 13

NPDES Permit NCOO9O158
v) A current List of Parameters Allowed for DMRs can be found at the following webpage:
https:Hdeq.nc. gov/about/divisions/water-resources/edmr/user-documentation.
PA Method 624.1: Table 1— Purgeables
* All the anal tes in this table are PriorityPollutants 40 CFR art 423, appendix A).
CIS
ICIS
CAS
Parameter
CAS
Parameter
nal to [alternative nomenclature]
Registry No.
Code
Analyte
Registry No.
Code
crolein
107-02-8
34210
1, 1 -Dichloroethane
75-34-3
34496
crylonitrile
107-13-1
34215
1,2-Dichloroethane
107-06-2
32103
1, 1 -Dichloroethene
Benzene
71-43-2
34030
1,1-Dichloroeth lene
75-35-4
34501
romodichloromethane
trans-1,2-Dichloroethene
Dichlorobromomethane
75-27-4
32101
trans-1,2-Dichloroeth lene]
156-60-5
34546
romoform
75-25-2
32104
1,2-Dichloropropene
78-87-5
CO541
romomethane
74-83-9
34413
is-1,3-Dichloropropene
10061-01-5
34704
[Methyl Bromide
Carbon tetrachloride
56-23-5
32102
trans-1,3-Dichloropropene
10061-02-6
34699
Chlorobenzene
108-90-7
34301
Ethylbenzene
100-41-4
34371
Chloroethane
75-00-3
85811
Methylene chloride Dichloromethane
75-09-2
34423
Chloroeth 1 vinyl ether mixed
110-75-8
34576
1,1,2,2-Tetrachloroethane
79-34-5
34516
Chloroform
67-66-3
32106
etrachloroethene [PERC]
127-18-4
34475
Tetrachloroeth lene
Chloromethane
74-87-3
34418
Toluene
108-88-3
34010
Methyl Chloride
ibromochloromethane
Chlorodibromomethane
124-48-1
32105
1, 1, 1 -Trichloroethane
71-55-6
34506
1,2-Dichlorobenzene
95-50-1
34536
1,1,2-Trichloroethane
79-00-5
34511
ortho-dichlorobenzene, 1,2-DCB
1,3-Dichlorobenzene
richloroethene [TCE]
meta-dichlorobenzene,l,3-DCB
541-73-1
34566
Trichloroeth lene
79-01-6
78391
1,4-Dichlorobenzene
106-46-7
34571
Vinylchloride
75-01-4
39175
ara-dichlorobenzene, 1,4-DCB
EPA Method 624.1: Table 2 — Additional Pur eables
nal to [alternative nomenclature]
CAS
Registry No.
ICIS
Parameter
Code
Analyte
CAS
Registry No.
ICIS
Parameter
Code
Acetone
67-64-1
81552
Ethyl methac late
97-63-2
73570'
cetonitrile [Methyl cyanide]
64047
73207
Ethylene oxide
75-21-8
76999
crolein
107-02-8
34210
Hexachlorobutadiene
87-63-3
CO702
Acrylonitrile
107-13-1
34215
Hexachloroethane
67-72-1
34396
11 lalcohol 2-Pro en-l-ol
107-18-6
73505'
2-Hexanone
591-78-6
75166'
11 1 chloride 3-Chloro ro ene
107-05-1
78109'
Iodomethane
74-88-4
No Code
Am 1 ethyl ether TAEE
919-94-8
No Code
Isobutyl alcohol
78-83-1
77033
Amyl methyl ether [TAME]
Tert-Am 1 Methyl Ether
994-05-8
22421
Isopropylbenzene
98-82-8
77223
enzylchloride
100-44-7
73128*
-Isopropyltoluene
[4-Isopropyltoluenel
99-87-6
03980
romoacetone
598-31-2
No Code
Methac lonitrile
126-98-7
81593'
romobenzene
108-86-1
81555'
Methanol
67-56-1
77885
romochloromethane
74-97-5
70009'
Malonitrile
109-77-3
No Code
1,3-Butadiene
106-99-0
51695'
Methyl acetate
79-20-9
77032
Butanol 1-Butanol
71-36-3
45265
Methyl aclate
96-33-3
51010
Butanone rMEKI
78-93-3
78356
Methyl c clohexane
108-87-2
No Code
t-Butyl alcohol tert-Butyl alcohol] [TBA]
75-65-0
51008
Methyl iodide
74-88-4
No Code
n-Butylbenzenc
104-51-8
77342
Methyl methac late
80-62-6
81597
sec-Butylbenzene
135-98-8
77350
-Methyl-2-pentanone [MIBK]
[Methyl isobutyl ketone
108-10-1
78133'
t-Butylbenzene rTert-butylbenzenel
72477
77353
Meth 1-t-bu 1 ether MTBE
1634-04-4
22417
Page 6 of 13

NPDES Permit NCO090158
[Methyl tert-butyl ether]
[Propane, 2-methox -2-meth 1
Butyl ethyl ether [ETBE]
637-92-3
22422'
Naphthalene
91-20-3
34696
Eth 1-Tert Butyl Ether
Carbon Disulfide
75-15-0
77041
Nitrobenzene
98-95-3
34447
Chloral hydrate
302-17-0
39108'
-Nitroso-di-n-butylamine
924-16-3
73609
Nitrosodibu lamine
Chloroacetonitrile
107-14-2
No Code
2-Nitro ro ane
79-46-9
No Code
1-Chlorobutane
109-69-3
No Code
Paraldehyde
123-63-7
No Code
Chlorodifluoromethane
75-45-6
45028'
Pentachloroethane
76-01-7
No Code
Freon 22
2-Chloroethanol
107-07-3
77046'
Pentafluorobenzene
363-72-4
No Code
is (2-Chloroethyl) sulfide
505-60-2
No Code
2-Pentanone
107-19-7
No Code
Mustard Gas
1-Chlorohexanone
20261-68-1
No Code
2-Picoline 2-Meth 1 ridine
109-06-8
77088'
Chloroprene
1-Propanol
77018'
[2-chloro-1,3-butadiene]
126-99-8
81520'
[n-Propyl alcohol]
71-23-8
3-Chloro ro ene All lchloride
107-05-1
78109'
2-Pro anol Iso ro anol
67-63-0
77015
3-Chloro ro ionitrile
542-76-7
No Code
Propargyl alcohol
107-19-7
No Code
Chlorotoluene [Orthochlorotoluene]
95-49-8
38681
eta-Propiolactone
57-57-8
No Code
Chlorotoluene [p-Chlorotoluene]
106-43-4
61227
Propionitrile [ethyl cyanide]
107-12-0
51466
Crotonaldeh de
123-73-9
77028
n-Pro lamine
107-10-8
No Code
C clohexanone
108-94-1
77097'
n-Pro lbenzene
103-65-1
77224
1,2-Dibromo-3-chloropropane
96-12-8
49146
Pyridine
110-86-1
77045
Dibromochloro ro ane
1,2-Dibromoethane
77651
81708
Eth lene dibromide
106-93-4
Styrene
100-42-5
ibromomethane
74-95-3
38679
630-20-6
77562'
[Methylene Bromide
,1,1,2-Tetrachloroethane
cis-1,4-Dichloro-2-butene
1476-11-5
No Codetrah
drofuran
109-99-9
81607
trans-1,4-Dichloro-2-butene
110-57-6
49263'-Toluidine
41,2,3-Trichlorobenzene
95-53-4
77142
cis-1,2-Dichloroethene
[cis-1,2-DCE]
156-59-2
77093
87-61-6
77613'
[cis-1,2-Dichloroethylene]
ihlorodifluoromethane
75-71-8
34668
Trichlorofluoromethane Freon 11
75-69-4
34488'
1,3-Dichloro ro ane
142-28-9
77173'
1,2,3-Trichloro ro ane
96-18-4
77443'
2-Dichloro ro ane
594-20-7
46366'
1,2,3-Trimeth lbenzene
526-73-8
51565'
1,3-Dichloro-2- ro anol
96-23-1
No Code
1,2,4-Trimeth lbenzene
95-63-6
77222
1,1-Dichloro ro ene
563-58-6
77168'
1,3,5-Trimeth lbenzene
108-67-8
77226
cis- 1,3 -Dichloropropene
10061-01-5
34704'
Vinyl acetate
108-05-4
77057'
1:2,3:4-Die ox butane
1464-53-5
No Code
-X lene 1,3-X lene
108-38-3
81710'
Diethyl ether [ethoxyethane]
60-29-7
81576
o-Xylene [1,2-Xylene]
95-47-6
81711'
iisopropyl ether [DIPE]
81577
Xylene [1,4-Xylene]
106-42-3
34728
[Isopropyl ether]108-20-3
1,4-Dioxane[Dioxane]
123-91-1
82388
+o- Xylene
179601-22-0
No Code
ichloroh drin
106-89-8
81679'
+ - X lene
179601-23-1
85795'
Ethanol
64-17-5
77004
o+ - X lene
136777-61-2
78121'
Ethyl acetate
141-78-6
81585
Nylene mix of m+o+
NA
81551
EPA Method 625.1: Table 1— Non-Pesticide/PCB Base/Neutral Extractables
* All the anal es in this table are Priority Pollutants 40 CFR art 423, appendix A).
nal to [alternative nomenclature]
CAS
Registry No.
ICIS
Parameter
Code
Analyte
CAS
Registry No.
ICIS
Parameter
Code
cena hthene
83-32-9
34205
3,3'-Dichlorobenzidine
91-94-1
34631
cena hth lene
208-96-8
34200
Diethyl phthalate
84-66-2
34336
thracene
120-12-7
CO220
Dirnethyl phthalate
1 131-11-3
1 34341
enzidine
1 92-87-5
1 39120
2,4-Dinitrotoluene
1 121-14-2
1 34611
enzo a anthracene
1 56-55-3
1 C0526
2,6-Dinitrotoluene
1 606-20-2
1 C0626
Page 7 of 13

NPDES Permit NCO090158
enzo a ene
50-32-8
34247
Di-n-oc 1 hthalate
117-84-0
34596
enzo fluoranthene
205-99-2
34230
Fluoranthene
206-44-0
C0376
enzo k fluoranthene
207-08-9
34242
Fluorene
86-73-7
34381
enzo hi a lene
191-24-2
34521
Hexachlorobenzene
118-74-1
C0700
enzyl butyl phthalate
rButyl BenzvI Phthalate
85-68-7
34292
Hexachlorobutadiene
87-68-3
C0702
is 2-Chloroethox methane
111-91-1
34278
Hexachloroethane
67-72-1
34396
is 2-Eth lhex 1 hthalate
117-81-7
CO100
Indeno 1,2,3-cd rene
193-39-5
34403
is(2-Chloroisopropyl) ether
2,2'-Ox bis 1-chloro ro ane
108-60-1
34283
Isophorone
78-59-1
34408
Bromo hen 1 phenyl ether
101-55-3
34636
Naphthalene
91-20-3
34696
Chlorona hthalene
91-58-7
34581
Nitrobenzene
98-95-3
34447
Chloro hen 1 phenyl ether
7005-72-3
34641
-Nitrosodi-n- ro lamine
621-64-7
34428
Chrysene
218-01-9
34320
Phenanthrene
85-01-8
34461
ibenz a,h anthracene
53-70-3
34556
Pyrene
129-00-0
34469
i-n-but 1 hthalate
84-74-2
39110
1,2,4-Trichlorobenzene
120-82-1
C0551
PA Method 625.1: Table 2 — Acid Extractables
* All the anal tes in this table are Priority Pollutants 40 CFR part 423, appendix A).
nal a alternative nomenclature)
CAS
Registry No.
ICIS
Parameter
Code
Analyte
CAS
Registry No.
ICIS
Parameter
Code
Chloro-3-meth 1 henol
59-50-7
70012
2-Nitrophenol
88-75-5
34591
2-Chloro henol
95-57-8
34586
4-Nitrophenol
100-02-7
34646
4-Dichloro henol
120-83-2
34601
Pentachloro henol
1 87-86-5
1 39032
2,4-Dimeth 1 henol
1 105-67-9
1 34606
JPhenol
1 108-95-2
1 34694
4-Dinitro henol
51-28-5
1 34616
2,4,6-Trichloro henol
1 88-06-2
1 34621
2-Methyl-4,6-dinitrophenol
4,6-dinitro-o-cresol
534-52-1
34657
PA Method 625.1: Table 3 — Additional Extractable Analytes
Anal es noted as "*" in this table are PrioriPollutants 40 CFR part 423, a endix A).
nal to alternative nomenclature
CAS
Registry No.
CIS
Parameter
Code
Analyte
CAS
Registry No.
ICIS
Parameter
Code
ceto henone
98-86-2
81553
,2',4,4',5',6-Hexachlorobi hen 1
60145-22-4
No Code
Acetylaminofluorene
r2-Acetyl aminoflourcene
53-96-3
82204
Hexachlorocyclopentadiene *
77-47-4
34386'
1-Ace 1-2-thiourea
591-08-2
No Code
Hexachlorophene
70-30-4
51541'
lachlor
15972-60-8
39161'
exachloro ro ene
1888-71-7
No Code
ldrin *
309-00-2
39330
Hexamethylphosphoramide rHMPAI
680-31-9
82196'
Ametryn
834-12-8
38402'
Hexanoic acid
142-62-1
77190'
Aminoanthra uinone
117-79-3
No Code
Hexazinone
51235-04-2
30264'
minoazobenzene
60-09-3
No Code
Hydroquinone
123-31-9
77165'
Aminobi hen 1-Aminobi hen 1
92-67-1
77581'
Isodrin
465-73-6
51527'
3-Amino-9-eth lcarbazole
132-32-1
No Code
2-Iso ro lna hthalene
2027-17-0
No Code
ilazine
101-05-3
No Code
Isosafrole
120-58-1
No Code
Aniline
62-53-3
77089
Kepone
143-50-0
81281'
o-Anisidine
90-04-0
No Code
e to hos
21609-90-5
51382'
Aramite
140-57-8
No Code
Longifolene
475-20-7
No Code
Atraton
1610-17-9
No Code
alachite reen
569-64-2
51478'
Atrazine
1912-24-9
39033'
Malathion
121-75-5
39530
Azin hos-meth 1 Guthion
86-50-0
82616'
Maleic anhydride
108-31-6
No Code
Barban
101-27-9
38418'
150-50-5
30009'
Benzanthrone
82-05-3
_Merphos
No Code
Mestranol
72-33-3
No Code
enzenethiol
108-98-5
No Code
Methapyrilene
91-80-5
No Code
Benzoic acid
65-85-0
77247
Methoxychlor
72-43-5
39480
3-Benzofluorene
243-17-4
No Code
-Meth lbenzothioazole
120-75-2
No Code
Benzo uinone
106-51-4
No Code
3-Meth lcholanthrene
56-49-5
61225'
3enzyl alcohol
100-51-6
77147'
,4'-Meth lenebis 2-chloroaniline
101-14-4
78123'
l ha-BHC *
319-84-6
39336
,4'-Meth lenebis ,N-dimeth laniline
101-61-1
No Code
beta-BHC *
319-85-7
39338
4,5-Meth lene henanthrene
203-64-5
No Code
amma-BHC Lindane *
58-89-9
39344
1-Meth lfluorene
1730-37-6
No Code
Page 8 of 13

NPDES Permit NCO090158
delta-BHC *
319-86-8
34198
methanesulfonate
66-27-3
No Code
Biphenyl
92-52-4
_Methyl
81513'
-Meth lna hthalene
91-57-6
77416
Bromacil
314-40-9
30311'
Methylparaoxon
950-35-6
No Code
2-Bromochlorobenzene
694-80-4
No Code
Methyl parathion
298-00-0
39600'
3-Bromochlorobenzene
108-37-2
No Code
1-Meth 1 henanthrene
832-69-9
No Code
Bromox it
1689-84-5
51136
Meth lthio benzothiazole
615-22-5
51079'
Butachlor
2318-4669
77860
Metolachlor
51218-45-2
39356'
u late Sutan
2008-41-5
81410'
Metribuzin
21087-64-9
82630'
n-C10 n-decane
124-18-5
77427
evin hos
7786-34-7
39610'
n-C12 n-undecane
1120-21-4
No Code
Mexacarbate
315-18-4
38506'
n-C14 n-tetradecane
629-59-4
77691'
GK 264 P rodone
113-48-4
No Code
n-C16 n-hexadecane
544-76-3
77757'
Mirex
2385-85-5
39755
n-C18 n-octadecane
593-45-3
77804
Molinate Ordram
2212-67-1
49562'
n-C20 n-eicosane
112-95-8
77830'
Monocrotophos
6923-22-4
51385'
n-C22 n-docosane
629-97-0
77859'
Naled
300-76-5
38855'
n-C24 n-tetracosane
646-31-1
No Code
Napropamide Devrinol
15299-99-7
49564'
n-C26 n-hexacosane
630-01-3
77901'
1,4-Na htho uinone
130-15-4
No Code
n-C28 n-octacosane
630-02-4
No Code
1-Na hth lamine
134-32-7
No Code
n-C30 n-triacontane
638-68-6
No Code
-Na hth lamine
91-59-8
82191'
Ca tafol
2425-06-1
No Code
1,5-Na hthalenediamine
2243-62-1
No Code
Ca tan
133-06-2
39640'
Nicotine
54-11-5
No Code
Carbaryl rSevinj
63-25-2
39750
5-Nitroacena hthene
602-87-9
No Code
Carbazole
86-74-8
77571
-Nitroaniline
88-74-4
78306'
Carbofuran
1563-66-2
81405'
3-Nitroaniline
99-09-2
78300'
Carboxin
5234-68-4
No Code
-Nitroaniline
100-01-6
78870'
Carbo henothion Trithion
786-19-6
51042'
5-Nitro-o-anisidine
99-59-2
No Code
Chlordane *
57-74-9
51032'
-Nitrobi hen 1
92-93-3
No Code
bis 2-Chloroeth 1 ether *
111-44-4
34273
Nitrofen
1836-75-5
No Code
Chloroneb
2675-77-6
51139'
5-Nitro-o-toluidine
99-55-8
No Code
Chloroaniline
106-47-8
50312'
itro uinoline-l-oxide
56-57-5
No Code
Chlorobenzilate
510-15-6
39460'
-Nitrosodi-n-butylamine
rN-Nitrosodibutylaminel
924-16-3
73609
Chlorfenvin hos
470-90-6
04083'
-Nitrosodeth lamine
55-18-5
78200'
Chloro-2-meth laniline
95-69-2
No Code
-Nitrosodimeth lamine NDMA]
62-75-9
34438
3- Chloromedi 1 ridine hydrochloride
6959-48-4
No Code
-Nitrosodi hen lamine *
86-30-6
34433
Chloro-2-ntroaniline
89-63-4
No Code
-Nitrosometh leth lamine
10595-95-6
No Code
Chlorpropham
101-21-3
81322'
-Nitrosometh l hen lamine
614-00-6
No Code
Chlorothalonil
Daconil C8C14N2
1897-45-6
51140'
-Nitrosomorpholine
Mo holine, 4-nitroso-
59-89-2
73617'
1-Chloronaphthalene
90-13-1
No Code
Nitrosopiperidine
1-Nitroso i eridine
100-75-4
73619'
3-Chloronitrobenzene
121-73-3
No Code
-Nitroso rrolidine
930-55-2
78206'
Chloro-1,2-phenylenediamine
95-83-0
No Code
trans-Nonachlor
Chlordane - Nonachlor, Trans
39765-80-5
39071'
Chloro-1,3- hen lenediamine
5131-60-2
No Code
Norflurazon
27314-13-2
51151'
2-Chlorobi hen 1
2051-60-7
No Code
2,2',3,3',4,5',6,6'-Octachlorobi hen 1
40186-71-8
No Code
Chlorpyrifos
2921-88-2
81403'
Octameth 1 pyrophosphoramide
152-16-9
No Code
Couma hos
56-72-4
81293'
,4'-Ox dianiline
101-80-4
No Code
+ -Cresol
15831-10-4
No Code
Paradiion rEthyl arathion
56-38-2
39540'
o-Cresol[ortho-Cresol]
2-Meth 1 henol
95-48-7
78395
CB-1016[Arochlor1016]*
12674-11-2
34671
Cresidine
120-71-8
No CodePCB-
1221 rArochlor1221 *
11104-28-2
39488
Crotoxyphos Ciodrin
7700-17-6
82565'PCB-
232 rArochlor1232 *
11141-16-5
39492
2-C clohex 1-4,6-dinitro- henol
131-89-5
No Code
CB-1242 rArochlor1242 *
53469-21-9
39496
C anazine
21725-46-2
04041'
CB-1248 rArochlor1248]*
12672-29-6
39500
C cloate
1134-23-2
81892'PCB-
254 rArochlor 1254 *
11097-69-1
39504
Cymene [4-Isopropyltoluene]
-Iso ro ltoluene
99-87-6
03908
CB-1260 [Arochlor 1260] *
11096-82-5
39508
acthal rDCPAI
1861-32-1
39770'PCB-
1268 rArochlor 1268 *
11100-14-4
51581'
4'-DDD *
72-54-8
39310
Pebulate
1114-71-2
49563'
4'-DDE *
72-55-9
39320
Pentachlorobenzene
608-93-5
77793'
4'-DDT *
50-29-3
39300
Pentachloronitrobenzene PCNB
82-68-8
49206'
emeton-O
298-03-3
No Code
,2',3,4',6-Pentachlorobi hen 1
68194-05-8
No Code
emeton-S
126-75-0
No Code
Pentachloroethane
76-01-7
81501'
iallate cis or trans
2303-16-4
No Code
Pentainethylbenzene
700-12-9
No Code
4-Diaminotoluene
2,4-Toluenediamine
95-80-7
78888'
Perylene
198-55-0
77801'
Page 9 of 13

NPDES Permit NCO090158
iazinon
333-41-5
39570
Phenacetin
62-44-2
73183'
ibenz a acridine
224-42-0
73542'
cis-Permethrin
61949-76-6
No Code
ibenzofuran
132-64-9
81302'
trans-Permethrin
61949-77-7
No Code
ibenzo a,e ene
192-65-4
51737'
Phenobarbital
50-06-6
No Code
ibenzothio hene
132-65-0
No Code
Phenothiazene
92-84-2
No Code
1,2-Dibromo-3-chloropropane
Dibromochloro ro ane
96-12-8
49146
1,4-Phenylenediamine
624-18-0
No Code
3,5-Dibromo-4-hydroxybenzonitrile
Bromox it
1689-84-5
51136'
1-Phenylnaphthalene
605-02-7
No Code
6-Di-tert-butyl- -benzo uinone
719-22-2
No Code
-Phen lna hthalene
612-94-2
No Code
ichlone
117-80-6
39150'
Phorate
298-02-2
46313'
3-Dichloroaniline
608-27-5
77533
Phosalone
2310-17-0
81291'
3-Dichlorobi hen 1
16605-91-7
No Code
Phosmet Imidan
732-11-6
51154'
6-Dichloro-4-nitroaniline Dichloran
99-30-9
38446'
hos hamidon
13171-21-6
78881'
3-Dichloronitrobenzene
3209-22-1
No Code
Phthalic anhydride
85-44-9
77453'
1,3-Dichloro-2- ro anol
96-23-1
No Code
1 ha-Picoline 2-Meth 1 ridine
109-06-8
77088'
6-Dichloro henol 2,4-Dichloro henol
120-83-2
34601
Piperonylsulfoxide
120-62-7
No Code
ichlorvos
2,2-Dichlorovin ldimeth 1 phosphate]
62-73-7
39109
Prometon.
1610-18-0
51155'
icroto hos
141-66-2
04310'
rome
7287-19-6
51156'
ieldrin *
60-57-1
39380
Pronamide
23950-58-5
51157'
1,2:3,4-Die ox butane
1464-53-5
No Code
Pro achlor
1918-16-7
51158'
i(2-ethylhexyl) adipate
Bis 2-eth lhex 1 adi ate
103-23-1
51174'
Propazine
139-40-2
51159'
Diethylstilbestrol
56-53-1
82192'
ro lthiouracil
51-52-5
No Code
Diethyl sulfate
64-67-5
No Code
Pyridine
110-86-1
77045
ilantin [Phenytoin]
5,5-Di hen lh dantoin
57-41-0
51744'
Resorcinol[1,3-Benzenediol]
108-46-3
77164'
imethoate
60-51-5
46314'
Safrole
94-59-7
77545'
3,3'-Dimethox benzidine
119-90-4
51769'
Simazine
122-34-9
39055'
imethylaminoazobenzene
rp-Dimethylaminoazobenzene]
60-11-7
73179'
Simetryn
1014-70-6
No Code
7,12-Dimeth ibenz a anthracene
57-97-6
No Code
S ualene
7683-64-9
No Code
3,3'-Dimeth lbenzidine
119-93-7
51647'
Stirofos Tetrachlorvin hos
22248-79-9
38686
N-Dimeth lformamide
68-12-2
77110'
Strychnine
57-24-9
No Code
3,6-Dimeth 1 henathrene
1576-67-6
No Code
Styrene
100-42-5
81708
alpha, al ha-Dimeth 1 heneth lamine
122-09-8
No Code
Sulfallate
95-06-7
No Code
imeth 1 sulfone
67-71-0
No Code
Tebuthiuron
34014-18-1
51160'
1,2-Dinitrobenzene
528-29-0
No Code
Terbacil
5902-51-2
30234'
1,3-Dinitrobenzene
99-65-0
45622'
Terbufos
13071-79-9
51462'
1,4-Dinitrobenzene
100-25-4
No Code
Terbut n
886-50-0
51162'
inoca
39300-45-3
No Code
1 ha-Te ineol
98-55-5
77493
inoseb [Dinitrobutylphenol]
2-sec-Butyl-4,6-dinitro henol
88-85-7
30191'
1,2,4,5-Tetrachlorobenzene
95-94-3
77734'
i hen lamine
122-39-4
77579'
,2',4,4'-Tetrachlorobi hen 1
2437-79-8
No Code
iphenylether
101-84-8
No Code
2,3,7,8-Tetrachlorodibenzo p-dioxin
Dioxin TCDD
1746-01-6
34675
1,2-Di hen lh drazine
122-66-7
34346
,3,4,6-Tetrachloro henol
58-90-2
77770
i henamid
957-51-7
78004'
Tetrachlorvin hos
22248-79-9
38686'
iphenyldisulfide
882-33-7
No Code
Tetraethyl dithiopyrophosphate
rsuitoteppi
3689-24-5
82201'
isulfoton
298-04-4
39010
pyrophosphate TEPP
107-49-3
39620'
isulfoton sulfoxide
2497-07-6
_Tetraethyl
No Code
Thiana hthene 2,3-Benzothio hene]
95-15-8
1 No Code
isulfoton sulfone
2497-06-5
No Code
Thioacetamide
62-55-5
No Code
ndosulfanI*
959-98-8
34361
Thionazin
297-97-2
51381'
ndosulfan II *
33213-65-9
34356
Thio henol rBenzenethioll
108-98-5
No Code
ndosulfan sulfate *
1031-07-8
34351
Thioxanthone
492-22-8
No Code
ndrin *
72-20-8
39390
Toluene- l,3-diisoc anate
26471-62-5
No Code
ndrin aldehyde *
7421-93-4
34366
Toluene-2,4-diisoc anate
584-84-9
78144'
ndrin ketone, in water *
53494-70-5
78008
o-Toluidine
95-53-4
77142
PN
2104-64-5
81290'
Toxa hene *
8001-35-2
39400
PTC [Eradicane]
[S-Ethyl di ro lthiocarbamate
759-94-4
81894'
Triadimefon, organic pesticide
43121-43-3
51163'
Ethion
563-12-2
39398'
1,2,3-Trichlorobenzene
87-61-6
77613'
Etho ro
13194-48-4
81758'
2,4,5-Trichlorobi hen 1
15862-07-4
No Code
Ethyl carbamate
51-79-6
No Code
,3,6-Trichloro henol
933-75-5
No Code
Ethyl methanesulfonate
62-50-0
73184'
,4,5-Trichloro henol
95-95-4
77687
Page 10 of 13

NPDES Permit NCO090158
Ethylene thiourea
96-45-7
38928'
Tric clazole
41814-78-2
No Code
tridiazole
2593-15-9
No Code
Trifluralin
1582-09-8
39030'
th lestradiol-3-meth 1 ether
72-33-3
No Code
1,2,3-Trimethox benzene
634-36-6
No Code
am hur
52-85-7
38462'
2,4,5-Trimeth laniline
137-17-7
No Code
enami hos
22224-92-6
No Code
Trimeth 1 phosphate
512-56-1
No Code
enarimol
60168-88-9
51145'
Trihen lene
217-59-4
No Code
ensulfothion
115-90-2
30004
20324-33-8
No Code
enthion
55-38-9
_Tripropyleneglycolmethylether
30006'
1,3,5-Trinitrobenzene
99-35-4
73653'
luchloralin
33245-39-5
No Code
Tris 2,3-dibromo ro 1 phosphate
126-72-7
22410'
luridone
59756-60-4
51588'
Tri- -tol 1 phosphate
78-32-0
No Code
Heptachlor *
76-44-8
39410
O,O,O-Triethyl phosphorothioate
[Phosphorothioic acid, O,O,O-triethyl
ester
126-68-1
73652'
Heptachlor epoxide *
1024-57-3
39420
Trithiane
3325-33-5
No Code
2',3,3',4,4',6-He tachlorobi hen 1
52663-71-5
No Code
Vernolate
1929-77-7
82200'
A. (5) ELECTRONIC REPORTING - DISCHARGE MONITORING REPORTS
[G. S. 143-215.1(b)]
Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and program
reports. The final NPDES Electronic Reporting Rule was adopted and became effective on December
21, 2015.
NOTE: This special condition supplements or supersedes the following sections within Part II of this
permit (Standard Conditions for NPDES Permits):
• Section B. (11.)
• Section D. (2.)
• Section D. (6.)
• Section E. (5.)
Signatory Requirements
Reporting
Records Retention
Monitoring Reports
1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)1
The permittee shall report discharge monitoring data electronically using the NC DWR's Electronic
Discharge Monitoring Report (eDMR) internet application.
Monitoring results obtained during the previous month(s) shall be summarized for each month and
submitted electronically using eDMR. The eDMR system allows permitted facilities to enter
monitoring data and submit DMRs electronically using the internet. The eDMR system may be
accessed at: htt2s:Hdeq.nc.gov/about/divisions/water-resources/edmr.
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility
being physically located in an area where less than 10 percent of the households have broadband
access, then a temporary waiver from the NPDES electronic reporting requirements may be granted
and discharge monitoring data may be submitted on paper DMR forms (MR 1, 1. 1, 2, 3) or
alternative forms approved by the Director. Duplicate signed copies shall be submitted to the
following address:
NC DEQ / Division of Water Resources / Water Quality Permitting Section
Page 11 of 13

NPDES Permit NC0090158
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
See "How to Request a Waiver from Electronic Reporting" section below.
Monitoring results obtained during the previous month(s) shall be summarized for each month and
reported via the eDMR system no later than the last calendar day of the month following the
completed reporting period. Regardless of the submission method, the first DMR is due on the last
day of the month following the issuance of the permit or in the case of a new facility, on the last day
of the month following the commencement of discharge.
Starting on December 21, 2025, the permittee must electronically report the following compliance
monitoring data and reports, when applicable:
Sewer Overflow/Bypass Event Reports;
Pretreatment Program Annual Reports; and
Clean Water Act (CWA) Section 316(b) Annual Reports.
The permittee may seek an electronic reporting waiver from the Division (see "How to Request a
Waiver from Electronic Reporting" section below).
2. Electronic Submissions
In accordance with 40 CFR 122.41(1)(9), the permittee must identify the initial recipient at the time
of each electronic submission. The permittee should use the EPA's website resources to identify the
initial recipient for the electronic submission.
Initial recipient of electronic NPDES information from NPDES-regulated facilities means the entity
(EPA or the state authorized by EPA to implement the NPDES program) that is the designated entity
for receiving electronic NPDES data [see 40 CFR 127.2(b)].
EPA plans to establish a website that will also link to the appropriate electronic reporting tool for
each type of electronic submission and for each state. Instructions on how to access and use the
appropriate electronic reporting tool will be available as well. Information on EPA's NPDES
Electronic Reporting Rule is found at: https://www.federalre ig ster.gov/documents/2015/10/22/2015-
24954/national-pollutant-discharge-elimination-system-npdes-electronic-reporting-rule
Electronic submissions must start by the dates listed in the "Reporting Requirements" section above.
3. How to Request a Waiver from Electronic Reporting
The permittee may seek a temporary electronic reporting waiver from the Division. To obtain an
electronic reporting waiver, a permittee must first submit an electronic reporting waiver request to
the Division. Requests for temporary electronic reporting waivers must be submitted in writing to
the Division for written approval at least sixty (60) days prior to the date the facility would be
required under this permit to begin submitting monitoring data and reports. The duration of a
temporary waiver shall not exceed 5 years and shall thereupon expire. At such time, monitoring data
Page 12 of 13

NPDES Permit NC0090158
and reports shall be submitted electronically to the Division unless the permittee re -applies for and is
granted a new temporary electronic reporting waiver by the Division. Approved electronic reporting
waivers are not transferrable. Only permittees with an approved reporting waiver request may
submit monitoring data and reports on paper to the Division for the period that the approved
reporting waiver request is effective.
Information on eDMR and the application for a temporary electronic reporting waiver are found on
the following web page:
http://deq.nc.gov/about/divisions/water-resources/edmr
4. Shmatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)1
All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II,
Section B. (I 1.)(a) or by a duly authorized representative of that person as described in Part II,
Section B. (I 1.)(b). A person, and not a position, must be delegated signatory authority for eDMR
reporting purposes.
For eDMR submissions, the person signing and submitting the DMR must obtain an eDMR user
account and login credentials to access the eDMR system. For more information on North
Carolina's eDMR system, registering for eDMR and obtaining an eDMR user account, please visit
the following web page:
http://deq.nc.gov/about/divisions/water-resources/edmr
Certification. Any person submitting an electronic DMR using the state's eDMR system shall make
the following certification [40 CFR 122.221. NO OTHER STATEMENTS OF CERTIFICATION
WILL BE ACCEPTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my
direction or supervision in accordance with a system designed to assure that qualified personnel
properly gather and evaluate the information submitted. Based on my inquiry of the person or
persons who manage the system, or those persons directly responsible for gathering the information,
the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations. "
5. Records Retention [Supplements Section D. (6.)]
The permittee shall retain records of all Discharge Monitoring Reports, including eDMR
submissions. These records or copies shall be maintained for a period of at least 3 years from the
date of the report. This period may be extended by request of the Director at any time [40 CFR
122.41].
Page 13 of 13

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