NC0024333_Industrial User (CM-29)_20220524

, -....
1 onroe
North Carolina
RECEIVED
May 20, 2022 OM 2 3 2022
Mr. Keyes McGee NCDEQIDWRINPDES
NCDEQ Municipal Unit-Pretreatment
1617 Mail Service Center
Raleigh, NC 27699-1617
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
Dear Mr. McGee:
Please find enclosed for your review a copy of the IUP's for ATI Allvac, Allvac Bakers South
Operations, Charlotte Pipe and Foundry Co. Plastics Division, Goulston Technologies Inc., NC
Biogas LLC,Norton Door Controls and ORO Manufacturing Company. Also enclosed is an
Industrial Wastewater Survey and Application, IUP Synopsis, the most recent SIU Inspection
form for each facility and an updated Allocation Table.
Should you require additional information please do not hesitate to call me at(704)-282-4632.
Respectfully,
0\ —°S01.0oL) S
Kevin Keesler
Pretreatment Coordinator
C: WWTP/IUP file
I:\8040 WWTP and Collection\Pretreatment program\DWQ\Correspondence
City of Monroe • PO Box 69 • Monroe,NC 28111-0069
Tel: [phone] • Fax: [phone]
www.monroenc.org

, -,,
r' ionroe
North Carolina
May 20, 2022
Mr. James Neubauer
Environmental Health and Safety Manager
Charlotte Pipe and Foundry Company
4210 Old Charlotte Highway RECEIVED
Monroe,North Carolina 28110
4;AY 2 3 2022'
CERTIFIED MAIL
RETURN RECEIPT REQUESTED NCDEQIDWRINPDES
Dear Mr. Neubauer:
Please find enclosed herein Industrial User Permit CM-29, authorizing Charlotte Pipe and
Foundry Company, Plastics Division to continue to discharge process wastewater to the City of
Monroe sewer system for further treatment at the City of Monroe Wastewater Treatment Plant
through June 30, 2025 and specifying the conditions governing this discharge. All Significant
Industrial permits are subject to review and approval by NCDWR PERCS Unit. Please review
this permit carefully in order to meet all requirements.
Consistent with the provisions of§ 52.051 of the City's Sewer Use Ordinance, the terms and
conditions of this permit are binding upon the industrial user.
§ 52.051 WASTEWATER PERMITS.
(I) Hearings.
(1) Initial Adjudicatory Hearings. An applicant whose permit is denied, or is granted 1
subject to conditions he deems unacceptable, a permittee/user assessed a civil penalty under §
52.999, or one issued an administrative order under § 52.120 shall have the right to an
adjudicatory hearing before the POTW Director or other hearing officer appointed by the POTW
Director upon making written demand, identifying the specific issues to be contested, to the
POTW Director within 30 days following receipt of the significant industrial user permit, civil
penalty assessment, or administrative order. Unless such written demand is made, within the time
specified herein, the action shall be final and binding and further appeal is barred. For modified
permits, only those parts of the permit being modified maybe adjudicated. The hearing officer

shall make a final decision on the contested permit penalty, or order within 45 days of the receipt
of the written demand for a hearing. The POTW Director shall transmit a copy of the hearing
officer's decision by registered or certified mail.
Consistent with the provisions of§ 52.051 of the City's Sewer Use Ordinance, the terms and
conditions of this permit are binding upon the industrial user.
Should you require additional information please do not hesitate to contact me.
Respectfully,
Kevin Keesler
Pretreatment Coordinator
c: WWTP files
Mr. Russell Colbath
I:\8040 WWTP and Collection\Pretreatment program\Industries\Charlotte Pipe
City of Monroe • PO Box 69 • Monroe,NC 28111-0069
Tel: [phone] • Fax: [phone]
www.monroenc.org

City of Monroe WWTP
Municipality Name
hereafter in this permit to as the
Control Authority
PERMIT
Industrial User Pretreatment Permit(IUP)
To Discharge Wastewater Under the
Industrial Pretreatment Program
CM-29 - N/A
IUP Number 40 CFR Category
(if Applicable)
In compliance with the provisions of North Carolina General Statute 143-215.1, any applicable
federal categorical pretreatment regulations, all other lawful standards and regulations promulgated
and adopted by the North Carolina Environmental Management Commission,and the City of Monroe
Sewer Use Ordinance. The following Industry,hereafter referred to by name or as the permittee:
Industry name,permittee:
Charlotte Pipe and Foundry Company,Plastic Division
Facility Located at Street Address:
4210 Old Charlotte Highway
City
Monroe
State,Zip
North Carolina, 28110
is hereby authorized to discharge wastewater from the facility located at the above listed address into
the sanitary sewer collection system and the wastewater treatment facility of the City of Monroe
listed below:
IUP Control Authority WWTP name:
City of Monroe WWTP
NPDES Number:
NC0024333
WWTP Address:
Post Office Box 69
State,Zip
Monroe,NC 28111-0069
in accordance with effluent limitations, monitoring requirements, and all other conditions set forth
in Parts I, II, and III of this Industrial User Pretreatment Permit(IUP).
Effective date,this permit and the authorization to discharge shall
become effective at midnight on this date:
July 1,2022
Expiration date,this permit and the authorization to discharge shall
expire at midnight on this date:
June 30,2025
S72a - zZ
Date Director of Water Resources
Page:1
Effective Date:July 1,2022

IUP, Part I
Industrial User (IU) Specific Conditions
IUP, PART I, OUTLINE:
A) IUP Basic Information
B) IUP Modification History
C) Authorization Statement
D) Description of Discharges
E) Schematic and Monitoring Locations
F) Effluent Limits&Monitoring Requirements
G) Definitions and Limit Page(s)notes
A. RIP Basic Information
Receiving POTW name: POTW NPDES#:
City of Monroe Wastewater Treatment Plant NC0024333
IUP Name: IUP Number:
Charlotte Pipe and Foundry Company,Plastic Division CM-29
IUP Effective date: Pipe Numbers,list all regulated pipes:
July 1,2022 01
IUP Expiration date: IUP 40 CFR#(if applicable),or N/A:
June 30,2025 N/A
B. IUP History:
Date Modified Reason for&Description of modifications.
7/14/95 permit issued
Date Modified
7/1/98 permit renewal
Date Modified Increase in flow,reintroduced Cd and Cn weekly average limits,
9/21/98 Removal of monitoring requirement for TTO,styrene,selenium,and
silver, reduced monitoring frequency for metals,change verbiage in
SPCC requirement
Date Modified Permit issued;changed limits for BOD,TSS,Cr,Cu,Cn,(Cd dropped
6/29/01 weekly limit);changed Ni to monitor only;changed verbiage in PART
I(F) 1),PART II 17),PART II 29).
7/1/01 reintroduced Cd weekly limit;changed monitoring frequency of Mo.
7/1/04 Permit issued; dropped BOD, TSS, Ammonia, and Cyanide; changed
Cr to monitor only.
A Complete Permit modification History is required
IUP#_>CM-29
Page:2
Effective Date:July 1,2022

Effective Date: Renewal or modification Description of modifications.
7/1/07 Permit issued;changed PART I B.heading;
changed limits for flow,Cu,Pb,Zn;added
Be monitor only;changed page 6 F)to G);
changed verbiage in PART I G) 1.,2.,3.;
changed verbiage in PART II 2.a),b), 10.,
13., 16.,25.,27.,30.;changed verbiage in
PART III 2.2.,2.3.;changed verbiage in
PART III 5.;added PART III 4.,6.,7.
9/7/07 Modification Permit modification;changed page 4A;
changed verbiage in PART III 2.2.
7/1/10 Renewal Permit issued;changed monitoring
frequency for flow;changed verbiage in
PART I G)
3/1/12 Modification Permit modification,Changed limits for Cd
from concentration to mass and Flow from
0.065 MGD to 0.05 MGD.Added language
to clarify mass based calculations.
7/1/13 Renewal Permit issued;dropped Beryllium from
monitor only.
7/1/16 Renewal Permit issued;Added flow equalization to
Part IC)2.
7/1/19 Renewal Permit issued
7/1/22 Renewal Permit issued;Removed PART III 5
IUP#=>CM-29
Page:2A
Effective Date:July 1,2022

IUP, Part I
Industrial User (IU) Specific Conditions
C) Authorization Statement:
1) The Permittee is hereby authorized to discharge wastewater in accordance with the
effluent limitations, monitoring requirements, and all other conditions set forth in this
Industrial User Pretreatment Permit (IUP) into the sewer collection system and
wastewater treatment facility of the City of Monroe.
2) The Permittee is hereby authorized to continue operation of and discharge wastewater
from the following treatment or pretreatment facilities. These facilities must correspond
to the treatment units listed on both the application and inspection forms.
IU Treatment Units
List all Treatment Units: Descriptions:
Sedimentation
Oil/water separator
Flow equalization
3) The Permittee is hereby authorized to, if required by the City of Monroe and after
receiving Authorization to Construct (A to C) from the City of Monroe, construct and
operate additional pretreatment units as needed to meet final effluent limitations.
D) Description of IUP Discharge(s):
1. Describe the discharge(s)from all regulated pipes.
Pipe#01,Description of Discharge:
Process wastewater
Pipe#02,Description of Discharge:
IUP#=>CM-29
Page:3
Effective Date:July 1,2022

IUP, Part I
Industrial User (IU) Specific Conditions
E.) Schematic and Monitoring Locations:
The facility schematic and description of monitoring location(s) given below must show
enough detail such that someone unfamiliar with the facility could readily find and
identify the monitoring location(s) and connection to the sewer. Include and identify all
regulated pipes. See figures 1 and 2 on Pages 4A and 4B.
IUP#=>CM-29
Page:4
Effective Date:July 1,2022

C:\Users\Keith\FlSS ENVIRONMENTAL SOLUTIONS, INC\Matt Flee — P drive\CAD Files\188\188-110\18B114p01.dwa Keith 02/20/22 — 11:03 P
EVAPORATION
i
Ar -r.-I
I Q AVG = 59.30
I I 0 MAX = 112.30
EVAPORATION I
1 I." COOLING
TOWERS (7)
PELLETIZERS/EXTRUDERS O WET RING
AND MOLDS VACUUM PUMPS CHILLERS I A
f 1 FILTERS T
- 1
i .-- 7' ram_ r
DIRTY HOT COLD
SUMPS SUMPS SUMPS
-f- T-I'vr—
G AVG = 62.70 A
IQ MAX = 118.70
INCOMING POTABLE WATER Ili n ' tm
Q AVG = 105.50 Q AVG = 12.80 Q AVG = 0.55
0 MAX = 199.70 TQMAX = 24.20 Q MAX = 1.00
DOMESTIC WASTEWATER COOLING TOWER
TO SANITARY SEWER FORKLIFT BLOWDOWN
DOMESTIC WASHDOWN FILTER BACKWASH/SUMP
Q AVG = 12.80 USE RINSING / TURNOVER/CHILLER FLUSH Q AVG = 3.40
O MAX = 24.20 Q MAX = 6.40
Q AVG = 0.55 Q AVG = 29.45
Q MAX = 1.00 Q MAX = 55.80
FLUME
-..., H" v
PROCESS WASTEWATER OIL/WATER
TO SANITARY SEWER SEPARATOR NOTES:
Q AVG = 33.40 1. ALL FIGURES SHOWN ARE ESTIMATED FLOWS IN
O MAX = 63.20 THOUSAND GALLONS PER DAY. Q MAX IS 24 HOUR
MAXIMUM DAY FLOW.
i F SCALE N.T.S. DRAWN BY: K.S.
S CHARLOTTE PIPE AND FOUNDRY DATE FEB 2022 APPROVED BY:
EN`1`r��MBNTA� MONROE, NORTH CAROLINA FACILITY WATER BALANCE PROJECT NUMBER DRAWING NO.
7251 Pane Le-Me82ews Rd
Suite300 188-110 FIGURE 1
Charlotte,NC 28226

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d ■ TT PUNT ENTRANCE I L DIFAIR/WED r--rn.8-L No.2 SCORYWATER/�N-FLOW DIRECTION Q 500 TON
I FITTNC5 AREA �•
4- / / ® COVEf3�SfORYWATER CATCH 81�7 © 500 TON
g• (—X—X—X—X—T 5Do TON
a I REIAL BNP'RIC yy� I i/ ate#. RA9-ROAD © 500 TON
- 2 / / �-7_ j FENCE Q7 500 TON
a (\ / ———— PROPERTY LINE ® 500 TON
% ® 500 TON
S / __ CL4VERT
X—X---X—X—X— PROCESS WASTEWATER LITE
—3 SANITARY StetX L1N6
_—�tMY 74
$ -_- _ SCALE NTS DRAWN 8Y_K.
FISS CHARLOTTE PIPE AND FOUNDRY PROCESS AND SANITARY SEWER SATE dAN- ZQ16 APPROVED K. S.ED.
— EN"mo:'K,E.r`A`u 310 MONROE, NORTH CAROLINA SCHEMATIC PROJECT NUMBER DRAWING NO.
�a �° 188-110 FIGURE 2
Pc-3e 4f

IUP,Part I, Section F: Receiving POTW name=>City of Monroe IU name=>Charlotte Pipe
Effluent Limits and Monitoring Requirements Receiving POTW NPDES#_>NC0024333 IUP#_> CM-29
Effective date for these Limits=>7/1/22 Pipe#=> 01
The permittee may discharge from this specific pipe Expiration date for these Limits=>6/30/25 40 CFRt >N/A
number according to these specific dates,effluent if not applicable put N/A
limits,and monitoring requirements. THE LIMITS ON THIS ARE, (Check one below):
LIMITS for ENTIRE permit period=> X
INTERIM Limits for period# 1 =>
INTERIM Limits for period#2=>
FINAL Limits Page=>
Conventional Concentration Limits Mass-Based Limits Monitoring Frequency Sample Required
Parameters' Daily Weekly Units Daily Monthly Units by Industry by POTW Collection laboratory
Max Avg. Max Avg. Method Detection
(C or G) Limits
Flow .050 MGD MGD Daily* Every Sample Meter
mg/1 lbs/day
mg/1 lbs/day
Temperature Deg. C Deg. C
pH 6 to 11 Std.Units Std.Units 1/3 months' 2/6 months G
Other Parameters,Please list alphabetically
mg/1 lbs/day
Cadmium mg/1 0.001250 lbs/day 1/3 months 2/6 months C .001 mg/1
Chromium monitor only mg/1 lbs/day 1/3 months 2/6 months C .010 mg/1
Copper mg/1 0.110 lbs/day 1/3 months 2/6 months C .010 mg/1
mg/1 lbs/day
Lead mg/1 0.0370 lbs/day 1/3 months 2/6 months C .005 mg/1
Nickel monitor only mg/1 lbs/day 1/3 months 2/6 months C .010 mg/1
Zinc mg/1 0.410 lbs/day 1/3 months 2/6 months C .010 mg/1
Molybdenum monitor only mg/1 lbs/day 1/6 months random C .02 mg/1
I Parameters and Prohibitions not specified above are regulated and limited by the (See next section,IUP,Part I,Section G.)
City of Monroe Sewer Use Ordinance. for Definitions and Limits Page(s)notes:
2 1/3 months shall be 1 sampling event consisting of one day each 3 months. IUP,PART I,Page:5
* The flow meter totalizer shall be recorded each day of discharge with the data submitted as required in PART II(2)
3 Compliance for mass based limits shall be determined as follows: Flow in total gallons per day divided by 1,000,000 to convert to MGD,times concentration
of sample based on significant digits reported by certified laboratory per PQL per parameter in mg/1,times 8.34. Calculations for all mass based limits will be
carried out to one(1)decimal place to the right of the published parameter limit then rounded to determine if the result exceeds the permit limit.
Effective Date:July 1,2022

IUP, PART I
Industrial User (IU) Specific Conditions
G) Definitions and Limit Page(s) notes:
In addition to the definitions in the City of Monroe Sewer Use Ordinance the following
definitions and requirements apply:
1. Composite Sample:
a) A composite sample for the monitoring requirements of this IUP,is defined as the
automatic or manual collection of a series of grab samples of constant volume, not
less than 100 ml,collected at equal time intervals during the entire discharge period
on the sampling day. The time interval between grab samples shall be no greater
than once per hour,or
b) a single, continuous sample collected over a 24 hour period proportional to the rate
of flow. Sampling day shall be a typical production, and discharge day.
2. Daily Monitoring Frequency
Daily Monitoring Frequency as specified in this IUP shall mean each day of discharge.
3. Grab Sample
Grab sample for the monitoring requirements of this IUP,is defined as a single"dip and take"
sample collected at a representative point in the discharge stream over a period of time not
exceeding 15 minutes. The grab sample can be taken manually. Grab samples must be
representative of the discharge.
4. Instantaneous measurement
An Instantaneous measurement for the monitoring requirements of this IUP is defined as a
single reading,observation,or measurement.
IUP#=>CM-29
Page: 6
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
Outline of PART II,
1. Representative Sampling 16. Federal and/or State Laws
2. Reporting 17. Penalties
3. Test Procedures 18. Need to Halt or Reduce
4. Additional Monitoring by Permittee 19. Transferability
5. Duty to comply 20. Property Rights
6. Duty to Mitigate 21. Severability
7. Facilities Operation,Bypass 22. Modification,Revocation,Termination
8. Removed substances 23. Reapplication
9. Upset Conditions 24. Dilution Prohibition
10. Right of Entry 25. Reports of Changed Conditions
11. Availability of Records 26. Construction of Pretreatment Facilities
12.Duty to Provide Information 27. Reopener
13. Signatory Requirements 28. Categorical Reopener
14. Toxic Pollutants 29. General Prohibitive Standards
15. Civil and Criminal Liability 30. Reports of Potential Problems
1. Representative Sampling
Samples and measurements taken as required herein shall be representative of the volume and
nature of the monitored discharge. All samples shall be taken at the monitoring points
specified in this permit and,unless otherwise specified,before the effluent joins or is diluted by
any other wastestream, body of water, or substance. Monitoring points shall not be changed
without notification to,and approval by,the permit issuing authority.
2. Reporting
a) Monitoring results obtained by the permittee shall be reported on forms specified
by the City of Monroe, postmarked no later than the twentieth day of the month
following the month in which the samples were taken. Results based on laboratory
analysis shall include the laboratory report.If no discharge occurs during a reporting
period(herein defined as each calendar month) in which a sampling event was to have
occurred, a form with the phrase "no discharge" shall be submitted under the
signatory requirements of Part II, Section 13. Copies of these and all other reports
required herein shall be submitted to the City of Monroe to the following address:
Pretreatment Coordinator
City of Monroe
PO Box 69
Monroe,NC 28111
b) If the sampling performed by the permittee indicates a violation,the permittee shall notify
the City of Monroe within 24 hours of becoming aware of the violation. The permittee shall
also repeat the sampling and analysis and submit the results of the repeat analysis to the City
of Monroe within 30 days after becoming aware of the violation.
IUP#=>CM-29
Page: 7
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
c)Laboratory reports for monitoring by Industry and by POTW shall include the
following:
1. Date(s)of analysis;
2. Results of the analysis;
3. Analytical techniques and methods used;
4. Signature of laboratory analyst or supervisor(person authorized to certify the
accuracy and proper techniques of the analysis);
5. Chain of custody records which contain the following information:
a. Sampling location;
b. Date s /times sample(s)taken;
c. Sample type: composite (time or flow) or grab;
d. Container type(glass or plastic);
e. Teflon liner and/or zero headspace,if applicable;
f. Type of preservative used or other sample preparation,if any,and date;
g. If sample was iced upon receipt;
h. Parameters to be run from that particular bottle;
i. Individual(s)who performed the sampling and/or field measurements;
j. Samples relinquished/received by who and when(date and time).
In addition,the laboratory performing the analysis shall maintain on file for up to three
years after the analysis all laboratory data taken and calculations during the analysis,
including dates and times, the analyst performing the work, and the data and
calculations from all quality assurance procedures and testing. This data shall be
available for inspection by personnel of the City of Monroe upon request.
3. Test Procedures
Test procedures for the analysis of pollutants shall be performed by a North Carolina Certified
Wastewater Lab in accordance with the techniques prescribed in 40 CFR part 136 and
amendments thereto unless specified otherwise in the monitoring conditions of this permit. The
laboratory shall be certified by the State of North Carolina for each specific test parameter on
which their results are reported.
4. Additional Monitoring by Permittee
If the permittee monitors any pollutant at the location(s) designated herein more frequently
than required by this permit,using approved analytical methods as specified above,the results
of such monitoring shall be submitted to the City of Monroe. The City of Monroe may require
more frequent monitoring or the monitoring of other pollutants not required in this permit by
written notification.
5. Duty to Comply
The permittee must comply with all conditions of this permit. Any permit noncompliance
constitutes a violation of the City of Monroe Sewer Use Ordinance and is grounds for possible
enforcement action; for Permit termination, revocation, and reissuance, or modification; or
denial of a Permit renewal application
IUP#=>CM-29
Page: 8
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
6. Duty to Mitigate-Prevention of Adverse Impact
The permittee shall take all reasonable steps to minimize or prevent any discharge in violation
of this permit which has a reasonable likelihood of adversely affecting human health, the
POTW,the waters receiving the POTW's discharge,or the environment.
7. Facilities Operation,Bypass
The permittee shall at all times maintain in good working order and operate as efficiently as
possible, all control facilities or systems installed or used by the permittee to achieve
compliance with the terms and conditions of this permit. Bypass of treatment facilities is
prohibited except when approved in advance by the City of Monroe. Bypass approval shall be
given only when such bypass is in compliance with 40 CFR 403.17. Treatment facilities shall
be as diagrammed in Figure 2.
8. Removed Substances
Solids, sludges, filter backwash, or other pollutants removed in the course of treatment or
control of wastewaters shall be disposed of in a manner such as to prevent any pollutants from
such materials from entering the City of Monroe sewer system or the surface waters of the
State of North Carolina. The permittee is responsible for assuring its compliance with any
requirements regarding the generation, treatment, storage, and/or disposal of "Hazardous
Waste" as defined under the Federal Resource Conservation and Recovery Act. the permittee
shall maintain records of disposal of these substances for a minimum of three years.
9. Upset Conditions
An "upset" means an exceptional incident in which there is an unintentional and temporary
noncompliance with the effluent limitations of this permit because of factors beyond the
reasonable control of the permittee. An upset does not include noncompliance to the extent
caused by operational error, improperly designed or inadequate treatment facilities, lack of
preventative maintenance,or careless or improper operations.
An upset may constitute an affirmative defense for action brought for the noncompliance. The
permittee has the burden of proof to provide evidence and demonstrate that none of the factors
specifically listed above were responsible for the noncompliance. Such evidence shall include
operating logs properly signed,or other relevant evidence that:
1. An upset occurred and that the permittee can identify the cause(s)of the upset;
2. The permittee facility was at the time being properly operated; and
3. the permittee submitted notice of the upset as required in Part H,Section 30,of
this permit
4. The permittee complied with any remedial measures required under Part II,
Section 5,of this permit
IUP#=>CM-29
Page: 9
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
10. Right of Entry
The permittee shall allow the staff of the State of North Carolina Department of Environment
and Natural Resources, Division of Water Quality, the Regional Administrator of the
Environmental Protection Agency,the City of Monroe,and/or their authorized representative,
upon the presentation of credentials:
1. To enter upon the permittee's premises where a real or potential discharge is located
or in which records are required to be kept under the terms and conditions of this
permit; and
2. At reasonable times to have access to and copy records required to be kept under
the terms and conditions of this permit; to inspect any monitoring equipment or
monitoring method required in this permit; and to sample any discharge of pollutants.
11. Availability of Records and Reports
The permittee shall retain records of all monitoring information,including all calibration and
maintenance records as well as copies of reports and information used to complete the
application for this permit for at least three years. All records that pertain to matters that are
subject to any type of enforcement action shall be retained and preserved by the permittee until
all enforcement activities have concluded and all periods of limitation with respect to any and
all appeals have expired.
Except for data determined to be confidential under the Sewer Use Ordinance, all reports
prepared in accordance with terms of this permit shall be available for public inspection at the
City of Monroe. As required by the Sewer Use Ordinance,effluent data shall not be considered
confidential.
12. Duty to Provide Information
The permittee shall furnish to the Director of Water Resources or his/her designees, within a
reasonable time,any information which the Director,his/her designee,or the Division of Water
Quality may request to determine compliance with this permit. The permittee shall also
furnish,upon request,copies of records required to be kept by this permit.
13. Signatory Requirements
All reports or information submitted pursuant to the requirements of this permit must be
accompanied by the following certification by the Authorized Representative:
"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
IUP#=>CM-29
Page :10
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
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 fine or imprisonment for knowing violations. "
The Authorized Representative shall be as defined by the City of Monroe Sewer Use
Ordinance.If the designation of an Authorized Representative is no longer accurate because a
different individual or position has responsibility for the overall operation of the facility, or
overall responsibility for environmental matters for the company, a new authorization
satisfying the requirements of this section must be submitted to the City of Monroe Water
Resources Director or his/her designee prior to or together with any reports to be signed by an
authorized representative.
14. Toxic Pollutants
If a toxic effluent standard or prohibition (including any schedule of compliance specified in
such effluent standard or prohibition)is established under Section 307(a)of the Federal Clean
Water Act for a toxic pollutant which is present in the discharge and such standard or
prohibition is more stringent than any limitation for such pollutant in this permit,this permit
may be revised or modified in accordance with the toxic effluent standard or prohibition and
the permittee so notified.
15. Civil and Criminal Liability
Nothing in this permit shall be construed to relieve the permittee from civil or criminal
penalties for noncompliance.
16. Federal and/or State Laws
Nothing in this permit shall be construed to preclude the institution of any legal action or
relieve the permittee from any responsibilities, liabilities, or penalties established pursuant to
any applicable Federal and/or State law or regulation.
17. Penalties
The Sewer Use Ordinance of the City of Monroe provides that any person who violates a permit
condition is subject to a civil penalty not to exceed$25,000 dollars per day of such violation.
Under state law,(NCGS 143-215.6B),under certain circumstances it is a crime to violate terms,
conditions,or requirements of pretreatment permits. It is a crime to knowingly make any false
statement,representation,or certification in any record or other document
submitted or required to be maintained under this permit, including monitoring reports or
reports of compliance or noncompliance. These crimes are enforced at the prosecutorial
discretion of the local District Attorney.
IUP#=>CM-29
Page :11
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
The City of Monroe enforcement response will be in accordance with an Enforcement
Response Plan approved by the North Carolina Division of Water Quality and on file in the
office of the Pretreatment Coordinator
18. Need to Halt or Reduce not a Defense
It shall not be a defense for a permittee in an enforcement action that it would have been
necessary to halt or reduce the permitted activity to maintain compliance with the conditions
of the permit.
19. Transferability
This permit shall not be reassigned or transferred or sold to a new owner, new user, different
premises,or a new or changed operation without approval of the City.
20. Property Rights
This permit does not convey any property rights in either real or personal property, or any
exclusive privileges, nor does it authorize any injury to private property or any invasion of
personal rights,nor any infringement of Federal, State or local laws or regulations.
21. Severability
The provisions of this permit are severable and, if any provision of this permit or the
application of any provision of this permit to any circumstance is held invalid,the application
of such provision to other circumstances and the remainder of this permit shall not be affected
thereby.
22. Permit Modification,Revocation,Termination
This permit may be modified, revoked and reissued or terminated with cause in accordance
with the requirements of the City of Monroe Sewer Use Ordinance and North Carolina General
Statute or implementing regulations.
23. Re-Application for Permit Renewal
The permittee is responsible for filing an application for reissuance of this permit at least 120
days prior to its expiration date. The permittee is not authorized to discharge after the
expiration date of this permit if this re-application deadline has not been met.
24. Dilution Prohibition
The permittee shall not increase the use of potable or process water or in any other way attempt
to dilute the discharge as a partial or complete substitute for adequate treatment to achieve
compliance with the limitations contained in this permit.
IUP#=>CM-29
Page:12
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
25. Reports of Changed Conditions
The permittee shall give notice to the City of Monroe of any planned significant changes to the
permittee's operations or system which might alter the nature, quality, or volume of its
wastewater at least 60 days before the change. Such changes,however,do not stay any
condition of this permit. If the changes require additions or modifications to pretreatment
facilities to comply with this permit, all such modifications shall be approved and constructed
before planned changes are made. The permittee shall not begin the changes until receiving
written approval from the City of Monroe.Also see PART II,30 below for additional reporting
requirements for spill/slug issues.
26. Construction
No construction of pretreatment facilities or additions thereto shall be begun until Final Plans
and Specifications have been submitted to the City of Monroe and written approval and an
Authorization to Construct has been issued.
27. Reopener
The permit shall be modified or, alternatively, revoked and reissued to comply with any
applicable effluent standard or limitation for the control for any pollutant shown to contribute
to toxicity of the WWTP effluent or any pollutant that is otherwise limited by the POTW
discharge permit. The permit as modified or reissued under this paragraph may also contain
any other requirements of State or Federal pretreatment regulations then applicable.
28. Categorical Reopener
This permit shall be modified, or alternatively, revoked and reissued, to comply with any
applicable effluent standard or limitation issued or approved under Sections 302(b)(2)(C)and
(D), 304(b)(2), and 307(a)(2) of the Clean Water Act, if the effluent standard or limitation so
issued or approved:
1) contains different conditions or is otherwise more stringent than any effluent
limitation in this permit; or
2) controls any pollutant not limited in this permit.
The permit as modified or reissued under this paragraph shall also contain any other
requirements of the Act then applicable.
29. General Prohibitive Standards
The permittee shall comply with the general prohibitive discharge standards in 40 CFR
403.5(a)and(b)of the Federal pretreatment regulations,and shall comply with the prohibitive
discharge standards in §52.020 and §52.023 of the City Sewer Use Ordinance except as
specifically stated otherwise in this permit.
IUP#=>CM-29
Page:13
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
30. Reports of Potential Problems
The permittee shall provide protection from accidential and slug discharges of prohibited
materials and other substances regulated by this permit. The permittee shall also notify the
City of Monroe immediately of any changes at its facility affecting the potential for spills and
other accidential discharge,discharge of a non-routine,episodic nature,a non-customary batch
discharge,or a slug load as defined in the City of Monroe Sewer Use Ordinance.
Additionally, the permittee shall notify by telephone the City of Monroe immediately of all
discharges that could cause problems to the POTW including any slug loadings as defined in
the Sewer Use Ordinance. If the permittee experiences such a discharge,they shall inform the
City of Monroe Pretreatment Coordinator,telephone number(704)282-4632,if no answer,the
Wastewater Treatment Plant, telephone number [phone] and [phone], if no
anwer, the Wastewater Treatment Plant Superintendent, telephone number [phone]
immediately upon the first awareness of the commencement of the discharge. Leaving a
message will not be acceptable until all phone numbers listed above have been attempted.
Notification shall include location of the discharge,type of waste,concentration and volume if
known and corrective actions taken by the permittee. A written follow-up report thereof shall
be filed by the permittee within(5)days,unless waived by the City of Monroe.
IUP#=>CM-29
Page:14
Effective Date:July 1,2022

PART III
Special Conditions
Industrial User Pretreatment Permit (IUP)
1. Slug/Spill Control Plan
The permittee shall provide protection from accidental and slug discharges of prohibited
materials and other substances regulated by this permit. The permittee shall develop and
update,as required,a written slug/spill plan including procedures for preventing a slug or spill
which could cause a violation of the discharge standards of this permit. Any revision of this
plan shall be submitted to the City of Monroe no more than 60 days after the change(s) are
made. If no changes are made to the spill plan, a written statement to that effect must be
submitted to the City of Monroe on or before January 31,of each year throughout the duration
of the permit. The plan shall include the following at a minimum:
1) identification of all chemicals, quantity,and storage location which would
by name,
cause a violation of this permit in the event of a spill and the means at each location to
prevent the spill from entering the City sewer system or surface waters of the State of
North Carolina.
2) who has the authority to halt production and/or wastewater discharge in the event
of a spill or upset condition(include phone numbers)
3) who is responsible for implementation and updating of the plan
4) the personnel that should be familiar with the plan
5) the person(s) responsible for notifying the City of Monroe immediately upon
discovery of a problem affecting the characteristics of the wastewater
2. Flow Measurement
1. The Permittee shall provide and operate monitoring facilities for the inspection,
sampling and flow measurement of the permittee's process wastewater discharges.
2. The permittee shall maintain appropriate discharge flow measurement devices and
methods consistent with approved engineering and scientific practices to ensure the
accuracy and reliability of measurements of the volume of monitored discharges.
Devices installed shall be a continuous recording flow meter capable of measuring flows
with a maximum deviation of less than 10%from true discharge rates throughout the
range of expected discharge volumes.
3. The approved wastewater meter shall be installed,maintained, and calibrated once
every six months.
4. The wastewater meter must have a non-resettable mechanical totalizer that reads in
gallons.
IUP#=>CM-29
Page:15
Effective Date:July 1,2022

PART III
Special Conditions
Industrial User Pretreatment Permit (IUP)
5. Flow monitoring equipment and sampling point should be located in an area
accessible to the City of Monroe personnel without prior notification. The City of
Monroe must be supplied with any keys and/or other tools necessary to perform the
aforementioned.
6. There shall be no by-pass capability of the wastewater metering devices or the
sampling point.
7. The permittee shall maintain flow, maintenance, and calibration records for a
minimum of three years.
8. In the event of temporary unintentional failure of the flow meter,the permittee shall
notify the Pretreatment Coordinator as soon as possible,but in no case beyond 24 hours
after first becoming aware of the failure. Repair shall be under taken as quickly as
possible.
3. High Strength Surcharges
Notwithstanding any concentrations permitted for total suspended solids, 5 day BOD or
nitrogen ammonia stated in Part I, Section F of the Permit,the permittee shall be responsible
for the payment of high strength surcharges at rates that may be established in the future by
the Monroe City Council.
4. Special Reopener
The City of Monroe reserves the right to reopen and modify/change limits and or sampling
frequency as deemed necessary.
5. Sludge Management Plan
Within sixty days of the effective date of this Industrial User Permit,the permittee shall submit
a sludge management plan to the City of Monroe.
IUP#=>CM-29
Page:16
Effective Date:July 1,2022

PART III
Special Conditions
Industrial User Pretreatment Permit (IUP)
6. Certified Operator
Pursuant to Chapter 90A-44 of North Carolina General Statutes,and upon classification of the
facility by the Certification Commission, the permittee shall employ a certified wastewater
pretreatment plant operator in responsible charge (ORC) of the wastewater treatment
facilities. Such operator must hold a certification of the type and grade equivalent to, or
greater than the classification assigned to the wastewater treatment facilities by the
Certification Commission. The permittee must also employ a certified backup operator of the
appropriate type and grade to comply with the conditions of Title 15A,Chapter 8A.0202. The
ORC of the facility must visit the wastewater facility as required; must properly manage and
document daily operation and maintenance of the facility; and must comply with all other
conditions of Title 15A, Chapter 8A.0202. The permittee shall submit a letter designating the
operator in responsible charge to the Certification Commission or their designee within thirty
days after facility classification.
IUP#=>CM-29
Page :17
Effective Date:July 1,2022
it

IUP Synopsis
A. IUP Basic Information
Receiving POTW name: POTW NPDES#:
City of Monroe NC0024333
IUP name: IUP Number:
Charlotte Pipe and Foundry Company, CM-29
Plastics Division
IUP Effective date: Pipe Numbers,list all regulated pipes:
July 1, 2022 01
IUP expiration date: IUP 40 CFR#,if applicable:
June 30,2025
B. IUP Survey&Application form
Attach a completed copy of the Industrial User Wastewater Survey&
Application Form (see appendix 6-A)
C. IU Inspection form
Attach a copy of an Industrial User Inspection Form (see chapter 7) completed
by the Control Authority within the past 12 months.
D. RATIONALE FOR LIMITATIONS:
As listed on the IUP Limits Page(s), PART I, Section F of the IUP.
RATIONALE#1:
Review of IU Monitoring Data, with no Over Allocation situation:
The following pollutants were assigned numerical limits in this IUP based on
a review of monitoring data for the permittee to determine what ranges of
concentrations are currently being discharged. To account for sample
variability a factor was applied to the monitoring data to determine the permit
limit. Permit limits assigned by the Local IUP Control Authority can not
result in an Over Allocation situation for any pollutants.
1

IUP Synopsis
RATIONALE #2a:
Categorical Industrial Limits, with no Over Allocation situation:
Check here if Combined Wastestream Formula (CWF) or other categorical
limits calculations were used. If used, Please attach calculations: (see CWF
Spreadsheet, Appendix 6-F)
Were used(attach calculations)
Were not used
The following pollutants were assigned numerical limits in this IUP based on
the categorical regulations. These limits do not result in over allocations.
RATIONALE#3 a:
Over Allocation Prevention, with IU pollutant reduction:
The following pollutants were assigned numerical limits in this IUP based on
allocating the Maximum Allowable Industrial Loading (MAIL) determined
with the Headworks Analysis (HWA) among all Industrial Users. The total
loading of each pollutant from all permitted discharges does not exceed the
MAIL. These limits do not result on over allocations.
Cd, Cu, Pb, Zn
RATIONALE #3b:
Interim Limits for IU pollutant reduction:
The following pollutants were assigned interim numerical limits in this IUP
to allow time for the industry to come compliance with final limits that will
not result in over allocations.
2

IUP Synopsis
RATIONALE#4:
4.), Other Rationale for Limitations:
The following rationale was used for developing IUP Limits.
Parameter Rationale
RATIONALE #5a:
Non-Categorical Parameters where No Limit needed or assigned in an IUP:
The following pollutants were not assigned numerical limits in this IUP
because the loadings for these pollutants from this IU were less than 5% of
the MAHL. The loading of these pollutants from this IU is considered
insignificant at this time.
Pollutant Avg SIU mg/1 Avg SIU lbs/day 5% MAHL, lbs/day
4 0
RATIONALE#5b:
Categorical Parameters with Waived Monitoring:
Monitoring is waived for the following categorical parameters (attach
documentation of waiver justification).
3

r-ecO
CHARL•TTE
PIPE AND FOUNDRY COMPANY
PLASTICS DIVISION
February 23, 2022
Mr. Kevin Keesler
Industrial Pretreatment Coordinator
City of Monroe WWTP
P.O. Box 69
Monroe,NC 28111
Re: Industrial User Wastewater Survey and Permit Application for
Charlotte Pipe and Foundry Company, Plastics Division
City of Monroe Industrial User Permit CM-29
Dear Mr. Keesler:
We are submitting the attached the Industrial User Wastewater Survey and Permit Application
for renewal of the Industrial User Permit for the Charlotte Pipe and Foundry Company,Plastics
Division(Charlotte Pipe) facility located at 4210 Old Charlotte Highway, Monroe,NC.
Charlotte Pipe is dedicated to pollution control in all areas of production and will continue to
emphasize pollution prevention and conservation of water in an attempt to meet the permit limits.
In addition, Charlotte Pipe would like to continue using Certification Statements in lieu of
sampling for TCDD, TTO, Selenium, and Styrene as there continues to be no known use of these
chemicals in a way that could result in their discharge to the wastewater of this facility.
We appreciate the City of Monroe's assistance in the renewal of the sewer permit. If you have
any questions or we may be of further assistance in this matter,please contact me at(704) 226-
8335.
Sincerely,
Charlotte Pipe
James P. Neubauer, Jr.
EHS/5S Manager
Attachments
cc:Samanth Dawson,FISS Environmental Solutions Inc.

Industrial User Wastewater Survey
& Permit Application
COVER PAGE
Company Name:
Charlotte Pipe and Foundry Company,Plastics Division
Name of responsible person on site at the facility authorized to represent the Name of alternative on site person familiar with the day to day operations,
company in official dealings with the Sewer Authority and/or the City. environmental permitting requirements, monitoring, record keeping, and
data management.
James P.Neubauer,Jr. Phil Handsel
Title Years with firm Title Years with firm
EHS/5S Manager 14 Safety Engineer 44
Phone#[phone] Fax#[phone] Phone#[phone] Fax#[phone]
Physical street address of facility Official mailing address,if different. Note if same.
4210 Old Charlotte Highway P.O.Box 1339
City Monroe State NC Zip 28110 City Monroe State NC Zip 28111
The information provided by you on this questionnaire serves two functions:
1. The information is used to determine if your facility needs an Industrial
User Pretreatment Permit (IUP) for the discharge of wastewater to the
local sewer.
2. If an Industrial User Pretreatment Permit (IUP) is required, this survey
serves as the application for an Industrial User Pretreatment Permit(IUP).
Requests for confidential treatment of information provided on this form shall be governed by
procedures specified in 40 CFR Part 2. In accordance with Title 40 of the Code of Federal Regulations
Part 403, Section 403.14 and the Local Sewer Use Ordinance (SUO), information and data provided in
this questionnaire which identifies the content, volume and frequency of discharge shall be available to
the public without restriction.
This is to be signed by an authorized official of your firm,as defined in the Local Sewer Use Ordinance or the NC Model
Sewer Use Ordinance,Section 1.2,after completion of this form.
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 upon 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
submi ' false inf rmation, including the possibility of fine and/or imprisonment for
know g v lation .
4 194
Signature of Authorized Representative Date
listed above (seal if applicable)
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 1 of 19

Industrial User Wastewater Survey
& Permit Application
Provide a brief narrative description of the type of business, manufacturing
processes, or service activities your firm conducts at this site.
Charlotte Pipe& Foundry Company,Plastics Division (CP&F)manufactures PVC(Polyvinyl
Chloride)and CPVC (Chlorinated Polyvinyl Chloride)pipe by extrusion. CP&F also
manufactures PVC,CPVC,and Acrylonitrile Butadiene Styrene(ABS)fittings by injection
molding.
2. List the primary products produced at this facility:
PVC and CPVC pipe.
PVC,CPVC,and ABS fittings.
3. List raw materials and process additives used:
ABS compound,CPVC resin,CPVC compound,PVC resin,PVC compound,calcium
carbonate,calcium stearate,titanium dioxide,paraffin wax,polyolefin wax,azodicarbonamide
(blowing agent),organotin stabilizers,polyethylene,chlorinated polyethylene,acrylic impact
modifiers,acrylic processing aids,and lubrication packages.
4. Are biocides added to any water discharged to the POTW,
if yes describe:
Water treatment chemicals including Biocides and Yes X
Corrosion inhibitors are added to the process cooling system
water to inhibit bioaccumulation and corrosion. See
Attachment B for Biocides and Corrosion Inhibitors SDS.
No
5. Describe weekly production schedule, including shifts worked per day,
employees per shift, and primary operation during shift.
Molding(Buildings 1, 1A, 8):
• 1 crew,8 hours per shift,5 days per week,6 employees total
• 4 crews, 12 hours per shift, 2-2-3 shift rotation, 100 employees total
Tool Room (Building 1):
• 1 crew,8 hours per shift,5 days per week,40 employees total
Mold Change(Building 1):
• 1 crew,8 hours per shift,5 days per week, 16 employees total
Extrusion (Buildings 2, 10):
• 1 crew,8 hours per shift,5 days per week,4 employees total
• 4 crews, 12 hours per shift,4 on-4 off shift rotation,86 employees total
Mixing(Buildings 4, 9):
• 1 crew,8 hours per shift,5 days per week,2 employees total
• 4 crews, 12 hours per shift,4 on-4 off shift rotation, 18 employees total
Large Diameter Fabricated Fittings (Building 13):
• 1 crew,8 hours per shift,5 days per week, 5 employees total
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 2 of 19

Industrial User Wastewater Survey
& Permit Application
Packaging(Building 3):
• 1 crew,8 hours per shift,5 days per week,5 employees total
• 4 crews, 12 hours per shift,2-2-3 shift rotation, 137 employees total
Shipping(Buildings 5, 12, 13, 1942 ARDC,Pipe Pad):
• I crew,8 hours per shift,5 days per week,80 employees total
Quality Control (Building 1):
• 1 crew,8 hours per shift,5 days per week, 10 employees total
• 4 crews, 12 hours per shift,2-2-3 shift rotation, 19 employees total
Administrative (Building 15):
• 1 crew,8 hours per shift,5 days per week,80 employees total
6. Production process is: Check, if all continuous
Check, if all batch
If both please enter, % continuous = 73% %Batch= 27"/o
7. Does production vary significantly (+-20 %)by season. Describe.
Yes X
During the winter months(December-February)volume
may decrease by 20%
No
8. Are any significant (+- 20 %) changes in production that will affect wastewater
discharge expected in the next 5 years. If yes, please describe.
Yes X
Production could increase by 0-10% in the next 5 years.
No
9. List all current waste haulers. Give name, address, phone numbers, volume and
materials hauled off.
See Attachment C
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 3 of 19

Industrial User Wastewater Survey
& Permit Application
10. Attach a copy of laboratory analyses performed in the last year on the wastewater
discharge(s) from your facilities. Summarize data on the attached Data Summary
Form.
See Attachment D for laboratory reports.Data summary is on file with City of Monroe
11. Attach sketch or schematic showing sampling points and all connections to the sewer.
See Attachment E
12. Complete the Wastewater Pollutants Checklist attached to this Survey.
Completed. Please refer to checklist.
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 4 of 19

Industrial User Wastewater Survey
& Permit Application
13. Do you have, or have you ever applied for, been issued, or been denied
an NPDES permit to discharge to the surface waters or storm sewers of
North Carolina? If yes, list all other NPDES permits, permit numbers,
dates, and names used to apply for them, or reason denied.
If yes: Permit,#,date,applicant name
Stormwater Permit#NCG050000,COC#NCG050084,Expiry-05/31/2023 Yes X
Charlotte Pipe&Foundry Company
If yes: Permit,#,date,applicant name No
14. Do you have, or have you ever applied for or been issued an Industrial
User Pretreatment Permit (IUP) to discharge wastewater to the sewer
collection system. If yes, list all other IUP permits, permit numbers,
dates, and names used to apply for them.
If yes: Permit,#,date,applicant name
Industrial User Permit,CM-29,Expiry-06/30/2022,Charlotte Pipe& Yes X
Foundry Company,Plastics Division
If yes: Permit,#,date,applicant name No
15. Do you have, or have you ever applied for or been issued any other
Environmental Permits (for example; air, RCRA, groundwater,
stormwater, general, Non-Discharge, septic tank, etc.). If yes, list all
other permits, permit numbers, dates, and names used to apply for them.
If yes: Permit type,#,date,applicant name
NCDEQ Air Permit#05117R37,Expiry-12/31/2025,Charlotte Pipe& Yes X
Foundry Company,Plastics Division
If yes: Permit type,#,date,applicant name
Stormwater Permit#NCG050000,COC#NCG050084,Expiry-05/31/2023, No
Charlotte Pipe&Foundry Company
If yes: Permit type,#,date,applicant name
16. Is a Spill Prevention Control and Countermeasure (SPCC) Plan
prepared for this facility?
Yes X
No
17. Is a Spill /Slug Control Plan required by the POTW, prepared for this
facility?
Yes X
No
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 5 of 19

Industrial User Wastewater Survey
& Permit Application
18. Do you have any underground storage tanks at your facility? If yes, list
contents and volume of each tank.
Yes
No X
19. Do you have any above ground storage tanks at your facility? If yes,
for each tank, list the contents, volume, whether the tank has any spill
prevention or containment devices, such as dikes, and procedures for
draining any containment devices.
Yes X #of Tanks 33
No
See Attachment F
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 6 of 19

Industrial User Wastewater Survey & Permit Application
PART II, Water Supply, Use, & Disposal Worksheet:
Water Used for: Water Avg. - Max. M - E Disposal Avg. Max. M E
gal/day gal/day e st Method(s) gal/day gal/day e st
Source(s) a
a i
s m s m
u at u at
re e re e
d d d d
(see Source List below) (see Disposal List below)
1. Process water #1 29,450 55,800 X #1 29,450 55,800 X
2. Washdown water #1 550 1,000 X #1 550 1,000 X
3. Water into product
4. Air Quality Permitted units
5. Domestic-toilets, drinking,cafe #1 12,800 24,200 X #2 12,800 24,200 X
6. Cooling water,Process Contact& #1 59,300 112,300 X #5 59,300 112,300 X
NON-Contact
7. Boiler/Cooling tower blowdown #1 3,400 6,400 X #1 3,400 6,400 X
8. Cooling water,HVAC
9. Other:
Totals=> 105,500 199,700 Totals=> 105,500 199,700
Typical Water Sources: Possible Water Disposal Methods
1. City/Public supply 1. Sanitary sewer,with pretreatment
2. Private wells, drinking 2. Sanitary sewer,without pretreatment
3. Groundwater remediation wells 3. Storm sewer
4. Private ponds 4. Surface waters of NC
5. Surface waters of NC,please identify 5. Evaporation
6. Include others if applicable 6. Land applied
7. To groundwater
See Attachment G. 8. Septic Tank
9. Waste Haulers(identify)
10. Water into Product
11. Include others,if applicable
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 7 of 19

PART III, PRETREATMENT FACILITIES:
Are there any pretreatment devices or processes used for treating wastewater
before being discharged to the sewer? Check all that are present, and describe.
No pretreatment facilities =>
I. Flow equalization Aerated equalization=>
NON-Aerated equalization=> X
Total volume of equalization (million gal.) => 0.0025
2. Activated Carbon Yes No Describe any, if present.
3. Activated Sludge Yes No
4. Air Stripping Yes No
5. Centrifugation Yes No
6. Chemical Precipitation Yes No
7. Chlorination Yes No
8. Cyanide Destruction Yes No
9. Cyclone Yes No
10. Dissolved Air Floatation Yes No
11. Filtration Yes No
12. Flocculation Yes No
13. Grease Trap Yes No
14. Grit Removal Yes No
15. Ion Exchange Yes No
16. Neutralize,pH adjust Yes No
17. Other Biological Treatment Yes No
18. Ozonation Yes No
19. Reverse Osmosis Yes No
20. Screening Yes No
21. Sedimentation Yes X No
22. Septic Tank Yes No
23. Silver Recovery Yes No
24. Solvent Separation Yes No
25. Spill protection Yes No
List any others.
*Oil Water Separator
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 8 of 19

PART IV, CATEGORICAL INFORMATION:
1. When were operations started at this facility Facility startup date September
1967
2. List all Standard Industrial Classification (SIC) codes for your facility.
These may be found on State Unemployment forms, tax forms,
accounting records, or from the Chamber of Commerce.
3084
3. Has this facility ever been considered a Categorical Industrial User
(CIU) as described by the Code of Federal Regulations (40 CFR)?
If yes, give complete 40 CFR number=> 463
No
4. Are any other facilities owned and/or operated by your company
permitted as Categorical Industrial Users (CIUs) as described by the
Code of Federal Regulations (40 CFR)?
If yes please give name(s), location, and 40 CFR number. Yes X
No
Charlotte Pipe&Foundry Company—Cast Iron
PO Box 35430
1335 Clarkson Street
Charlotte,NC
CFR No: 464
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 9 of 19

PART IV, CATEGORICAL INFORMATION:
(continued)
5. Check any activities listed below that are performed at your facility:
Check 40 Industrial Activity Check 40 Industrial Activity
below CFR# below CFR#
467 Aluminum Forming 432 Meat products
427 Asbestos Manufacturing 433 Metal finishing
461 Battery Manufacturing 464 Metal molding and casting
431 Builders paper&board mills 436 Mineral mining and processing
407 Canned&preserved fruits&veg. 471 Nonferrous Metal,Form&Powders
408 Canned&preserved seafood 421 Nonferrous Metals Manufacturing
458 Carbon black Manufacturing 414 OCPSF,Organic Chemicals,Plastics,
411 Cement Manufacturing &Synthetic Fiber Manufacturing
437 Centralized Waste Treatment 435 Oil&gas extraction
434 Coal Mining 440 Ore mining and dressing
465 Coil Coating 446 Paint formulating
468 Copper Forming 443 Paving and roofing materials Mfg.
405 Dairy products processing 455 Pesticide Manufacturing
469 Electrical,electronic components 419 Petroleum Refining
413 Electroplating 439 Pharmaceutical Manufacturing
457 Explosives Manufacturing 422 Phosphate Manufacturing
412 Feedlots 459 Photographic supplies
424 Ferro allay Manufacturing X 463 Plastics molding and forming
418 Fertilizer Manufacturing 466 Porcelain enameling
464 Foundries,Metal Mold&Casting 430 Pulp,paper,and paperboard
426 Glass Manufacturing 428 Rubber Manufacturing
406 Grain mills 417 Soap&Detergent Manufacturing
454 Gum&Wood Chemicals Mfg. 423 Steam Electric power Generation
460 Hospitals 409 Sugar processing
447 Ink formulating 410 Textile Mills
415 Inorganic chemical Manufacturing 429 Timber products processing
420 Iron&Steel Manufacturing 442 Transportation Equipment Cleaning
425 Leather Tanning&Finishing Others
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 10 of 19

Wastewater Pollutant Checklist
Chemical Name EPA Check if Check if Check if Check if Concentration
Storet Present at Absent at Present in Absent in in Discharge,
Code Facility Facility Discharge Discharge if Known
(mg/1)
Acid Extractable Organics
2-Chlorophenol 34586 X X
2,4-Dichlorophenol 34601 X X
2,4-Dimethylphenol 34606 X X
2,4-Dinitrophenol 34616 X X
2-Methy1-4,6-dinitrophenol 34657 X X
4-Chloro-3-methylphenol 34452 X X
2-Nitrophenol 34591 X X
4-Nitrophenol 34646 X X
Pentachlorophenol 39032 X X
Phenol 34694 X X
2,4,6-Trichlorophenol 34621 X X
Base Neutral Organics
1,2,4-Trichlorobenzene 34551 X X
1,2-D ichlorobenzene 34536 X X
1,2-Diphenylhydrazine 34346 X X
1,3-Dichlorobenzene 34566 X X
1,4-Dichlorobenzene 34571 X X
2,4-Dinitrotoluene 34611 X X
2,6-Dinitrotoluene 34626 X X
2-Chloronaphthalene 34581 X X
3,3-Dichlorobenzidine 34631 X X
4-Bromophenyl phenyl ether 34636 X X
4-Chlorophenyl phenyl ether 34641 X X
Acenaphthene 03405 X X
Acenaphthylene 34200 X X
Anthracene 34220 X X
Benzidine 39120 X X
Benzo(a)anthracene 34526 X X
Benzo(a)pyrene 34247 X X
Benzo(b)fluoranthene 34230 X X
Benzo (ghi)perylene 34521 X X
Benzo(k)fluoranthene 34242 X X
Bis(2-chloroethoxy)methane 34278 X X
Bis(2-chloroethyl)ether 34273 X X
Bis(2-chloroisopropyl) ether 34283 X X
Bis(2-ethylhexyl)phthalate 39100 X X
Butyl benzyl phthalate 34292 X X
Chrysene 34320 X X
Di-n-butyl phthalate 39110 X X
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 11 of 19

Wastewater Pollutant Checklist
Chemical Name EPA Check if Check if Check if Check if Concentration
Storet Present at Absent at Present in Absent in in Discharge,
Code Facility Facility Discharge Discharge if Known
(mg/1)
Base Neutral Organics (continued)
Di-n-octyl phthalate 34596 X X
Dibenzo (a,h) anthracene 34556 X X
Diethyl phthalate 34336 X X
Dimethyl phthalate 34341 X X
Fluoranthene 34376 X X
Fluorene 34381 X X
Hexachlorobenzene 39700 X X
Hexachlorobutadiene 34391 X X
Hexachlorocyclopentadiene 34386 X X
Hexachloroethane 34396 X X
Indeno(1,2,3-cd)pyrene 34403 X X
Isophorone 34408 X X
N-nitroso-di-n-propylamine 34428 X X
N-nitrosodimethylamine 34438 X X
N-nitrosodiphenylamine 34433 X X
Naphthalene 34696 X X
Nitrobenzene 34447 X X
Phenanthrene 34461 X X
Pyrene 34469 X X
Metals
Aluminum 01104 X X
Antimony 01097 X X
Arsenic 01002 X X
Beryllium 01012 X X
Cadmium 01027 X X 0.0006
Chromium 01034 X X 0.0090
Copper 01042 X X 0.1143
Lead 01051 X X 0.0058
Mercury 71900 X X
Molybdenum 01062 X X 0.0100
Nickel 01067 X X 0.0133
Selenium 01147 X X
Silver 01077 X X
Thalium 00982 X X
Zinc 01092 X X 0.5925
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 12 of 19

Wastewater Pollutant Checklist
Chemical Name EPA Check if Check if Check if Check if Concentration
1 Storet Present at Absent at Present in Absent in in Discharge,
Code Facility Facility Discharge Discharge if Known
(mg/1)
Other Inorganics
Barium 01007 X X
Chloride 00940 X X
Cyanide 00720 X X
Fluoride 00951 X X
Purgeable Volatile Organics
1,1,1-Trichloroethane 34506 X X
1,1,2,2-Tetrachloroethane 34516 X X
1,1,2-Trichloroethane 34511 X X
1,1-Diehl oroethane 34496 X X
1,1-Dichloroethylene 34501 X X
1,2-Dichloroethane 34531 X X
1,2-Dichlorooronane 34541 X X
2-Chloroethvl vinyl ether 34576 X X
Acrolein 34210 X X
Acrylonitrile 34215 X X
Benzene 34030 X X
Bromodichloromethane 32101 X X
Bromoform 32104 X X
Bromomethane 34413 X X
Carbon tetrachloride 32102 X X
Chlorobenzene 34301 X X
Chloroethane 34311 X X
Chloroform 32106 X X
Chloromethane 34418 X X
cis 1,3-Dichloronropene 34704 X X
Dibromochloromethane 32105 X X
Ethvlbenzene 34371 X X
Methylene chloride 34423 X X
Tetrachloroethylene 34475 X X
Toluene 34010 X X
trans 1,3-Dichloropropene 34699 X X
trans-1,2-Dichloroethylene 34546 X X
Trichloroethvlene 39180 X X
Trichlorof_uoromethane 34488 X X
Vinyl chloride 39175 X X
Others
Xylene X X
Methyl Ethyl Ketone X X
MIRK X X
Methanol X X
Styrene X X
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 13 of 19

Data Summary Form — Data on file with City of Monroe
City of <= Receiving POTW
Monroe
NC0024333 <= Receiving NPDES #
CM-29, <= Specific Sample Location!
Pipe 01
i.e., Give IU Name, IUP#, and/or pipe#
BOD TSS Ammonia
Lab => Laboratory performing analysis=> NA NA NA
MDL=> Laboratory Method Detection Limits=>
Notes=> Notes=>
Q = Flow
Sample Date Notes about Sample M=Metered Conc. Results Conc. Results Conc. Results
ID, or Sample E=Estimated from Lab from Lab from Lab
Count Collected
mgd gal/day <? mg/1 <? mg/1 <? mg/l
1
2
3
4
5
6
7
8
9
10
11
12
etc
TNS => Total number of samples =>
Max. value=> Maximum data value (mg/1) =>
Avg. (use 1/2 BDL) => Avg. data value, Include BDL values as 1/2 detection limit=>
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 14 of 19

Data Summary Form— Data on file with City of Monroe
City of Monroe WWTP <= Receiving POTW
NC0024333 <= Receiving NPDES #
CM-29 <= Specific Sample Location!
Pipe#01 i.e., Give IU Name, IUP#, and/or pipe#
Arsenic Copper Chromium Cadmium COD Molybdenum
Lab => NA NA
MDL=>
Notes=>
Sample Date Sample Conc. Results Conc. Results Conc. Results Conc. Results Conc. Results Conc. Results
ID or Collected from Lab from Lab from Lab from Lab from Lab from Lab
Count
<? mg/I <? mg/1 <? mg/1 <? mg/1 <? mg/1 <? mg/1
1
2
3
4
5
6
7
8
9
10
11
12
etc
TNS =>
Max. Value=>
Avg. (use1/2 BDL)=>
Charlotte Pipe,Monroe NC
2022 Ili Wastewater Survey&Permit Application Page 15 of 19

Data Summary Form— Data on file with City of Monroe
City of Monroe WWTP <= Receiving POTW
NC0024333 <= Receiving NPDES #
CM-29 <= Specific Sample Location!
Pipe#01 i.e., Give IU Name, IUP#, and/or pipe#
Arsenic Copper Chromium Cadmium COD Molybdenum
Lab=> NA NA
MDL=>
Notes=>
Sample Date Sample Conc. Results Conc. Results Conc. Results Conc. Results Conc. Results Conc. Results
ID or Collected from Lab from Lab from Lab from Lab from Lab from Lab
Count
<? mg/1 <? mg/1 <? mg/1 <? mg/1 <? mg/1 <? mg/1
1
2
3
4
5
6
7
8
9
10
11
12
etc
TNS =>
Max. Value=>
Avg. (use1/2 BDL) =>
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 15 of 19

Data Summary Form— Data on file with City of Monroe
City of Monroe WWTP <= Receiving POTW
NC0024333 <= Receiving NPDES #
CM-29 <= Specific Sample Location!
Pipe#01 i.e., Give IU Name, IUP#, and/or pipe#
Cyanide Lead Mercury Nickel Silver Zinc
Lab=> NA NA NA
MDL=>
Notes=>
Sample Date Sample Conc. Results Conc. Results Conc. Results Conc. Results Conc. Results Conc. Results
ID or Collected from Lab from Lab from Lab from Lab from Lab from Lab
Count
<? mg/I <? mg/1 <? mg/1 <? mg/I <? mg/1 <? mg/1
1
2
3
4
5
6
7
8
9
10
11
12
etc
TNS =>
Max. Value=>
Avg. (usel/2 BDL) =>
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 16 of 19

Data Summary Form- Data on file with City of Monroe
City of Monroe WWTP <= Receiving POTW
NC0024333 <= Receiving NPDES #
CM-29 <= Specific Sample Location!
Pipe#01 i.e., Give IU Name, IUP#, and/or pipe#
Other (Beryllium) Other Other Other Other Other
Lab => NA
MDL =>
Notes =>
Sample Date Sample Conc. Results Conc. Results Conc. Results Conc. Results Conc. Results Conc. Results
ID or Collected from Lab from Lab from Lab from Lab from Lab from Lab
Count
<? mg/1 <? mg/1 <? mg/1 <? mg/1 mg/I <? mg/1
1
2
3
4
5
6
7
8
9
10
11
12
etc
TNS =>
Max. Value=>
Avg. (use 1/2 BDL) =>
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 17 of 19

Part V, Waste Reduction Information :
State Pretreatment Rule 15A NCAC 2H.0916 (c)(1)(M) requires Significant Industrial
Users to include a description of current and projected waste reduction (pollution
prevention) activities. The codes listed are standard EPA codes found on Toxic Release
Inventory and other environmental forms. Please check all applicable codes for your
facility related to wastewater discharge.
Current Projected Code Description
X W 13 Improved maintenance scheduling recordkeeping, or procedures
X W 14 Changed production schedule to minimize equipment and feedstock
changeovers
W 19 Other changes in operating practices (explain briefly in comments)
W21 Instituted procedures to ensure that materials do not stay in inventory
beyond shelf-life
W22 Began to test outdated material-continue to use if still effective
X W23 Eliminated shelf-life requirements for stable materials
X W24 Instituted better labeling procedures
W25 Instituted clearinghouse to exchange materials that would otherwise
be discarded
W29 Other changes in Inventory control(explain briefly in comments)
W31 Improved storage or stacking procedures
W32 Improved procedures for loading, unloading and transfer operations
X W33 Installed overflow alarms or automatic shutoff valves
X W34 Installed secondary containment
W35 Installed vapor recovery systems
X W36 Implemented inspection or monitoring program of potential spill or
leak sources
W39 Other spill and leak prevention(explain briefly in comments)
W41 Increased purity of raw materials
W42 Substituted raw materials
W49 Other raw material modifications (explain briefly in comments)
X W51 Instituted recirculation within a process
Charlotte Pipe,Monroe NC
2019 RI Wastewater Survey&Permit Application Page 18 of 18

Current Projected Code Description
W52 Modified equipment, layout, or piping
W53 Use of a different process catalyst
W54 Instituted better controls on operating bulk containers to minimize
discarding of empty containers
X W55 Changed from small volume containers to bulk containers to
minimize discarding of empty containers
W58 Other process modifications (explain briefly in comments)
W59 Modified stripping/cleaning equipment
X W60 Changed to mechanical stripping/cleaning devices (from solvents or
other materials)
W61 Changed to aqueous cleaners ( from solvents or other materials)
W62 Reduced the number of solvents used to make waste more amenable
to recycling
W63 Modified containment procedures for cleaning units
W64 Improved draining procedures
W65 Redesigned parts racks to reduce dragout
W66 Modified or installed rinse systems
W67 Improved rinse equipment design
W68 Improved rinse equipment operation
W71 Other cleaning and degreasing operation(explain briefly in comments)
W72 Modified spray systems or equipment
W73 Substituted coating materials used
W74 Improved application techniques
W75 Changed from spray to other system
W78 Other surface preparation and finishing(explain briefly in comments)
W8 1 Changed product specifications
W82 Modified design or composition of product
W83 Modified packaging
W89 Other product modifications (explain briefly in comments)
W99 Other(specify in comments)
Comments (Please list corresponding code)
Charlotte Pipe,Monroe NC
2022 IU Wastewater Survey&Permit Application Page 19 of 19

SIU INSPECTION FORM
I is lv‘�ta�
1' w� 5 (
Name Of Industry: C-1,\GAiii7ecR p e crr A 6 cir y t o IUP#
Address Of Industry: 1-1 a.I O c\CA Chef-fin• e� y IUP Expiration Date:
rvon a%If Q fo^ Ca-
Indikary Representatives: Title
PQT[W Representatives: Title o
Date Of Inspection: 9-al-vl( Time Of Inspection: 1 O 00 o'pm 4w f' , 4C1 r
Purpose of Inspection: Annual ✓ Other(Describe)
POTW to which IU discharges a NPDES# I''JC.Ca Ot 4 3-33
Is SIU currently in SNC? Ca If yes,for what?
PART I -INITIAL INTERVIEW
Has anything changed since the last inspection or IUP application in the following:
COMMENTS
Product YES/ 4110
Raw materials used YES/
Manufacturing processes YES 11l►�
Categorical,if applicable YES/
Production rate /NO Mc,t 2e.A O A k
Number of employees /NOf l #lr.fp' .O .''i a,.- 1D(04
Number of shifts YES/6ES
.a`t4 01
Comments:
PART II- PLANT TOUR- Visit all areas where wastewater is generated or where there
are drains to the POTW.
Plant Tour Section A - PRODUCTION AND STORAGE AREAS II 1
1. Are there floor drains in the production area? /NO Where do they go? C) 1 5 Mrv-er au S"`
2. Are production areas diked,contained, • •therwise constructed in such a way as to prevent harm to the
WWTP,especially from spills or slugs? D /NO Comments:
3. Are there floor drains in the storage area? /NO Where do they go? 0,'1 .sKa rrrrer ko1/4/S
4. Are storage tanks and areas diked,contained, • • herwise constructed in such a way as to prevent harm
to the WWTP,especially from spills or slugs? el,/NO Comments:
5. Are process and storage tanks and pipes labeled? 4 /NO p
6.(,How are off-spec-raw materials,and products disposed of? r3f to dt
c&,r fi Y`�`o-i-er L..I se lc✓vt-ri()
7. When is the production area cleaned? eca c� 5t'14 f
8. Is the wastewater from cleaning the production area discharged to the POTW? �YE�/NO
9. What non-process wastewaters are discharged to POTW? 6nn.(l +C(1-161(e r (3wJOL JIA
wa.s4. b,y, ccicnc�, -aw-ecs
Comments:
PART II - Plant Tour Section B - PRETREATMENT SYSTEM
Title: SIU Inpsection Form
File name: COMP.INSP App 7-D
Revision data: August 1,1994 Page 1

SIU INSPECTION FORM
Ask the operator to describe pretreatment system.
1. Does operator seem knowledgable about the system? al) NO Comments:
2. Are all units operational? /NO
3. How often does operator/maintenanc,e�.Krson check system?
4. Is there an operator for each shift? /NO
5. How and when is sludge disposed of? 1-te r4,c.s..e 0.ee-n t a �� -Li Sri&S
6. Is there a schedule for preventative maintenance? e/NO
Comments: Os c c (
\/ J1 `e_c_\ 5
PART II - Plant Tour Section C - SAMPLING POINT(S) AND FLOW
MEASUREMENT
(Collect a sample if desired.)
1. Does an outside lab complete sampling? 0/NO If yes,name of lab. G ce
2. If industry completes sampling,ask the industry representative to describe sampling}procedures.
Comments: oZ)-1 r lrl-e 30 rY .IAk1e5 , 200 m1 y,uc;fis
3. Is flow measurement equipment operational? c$/NO Comments:
r 4. Is there a calibration log for the flow meter? E)/NO Comments:
�-t1-zl
Comments:
PART III -EXIT INTERVIEW
Review monitoring records and . er SIU records required by IUP.
1. Are files well organized? NO Comments:
2. Are sample collection/chain-of-custody forms filled out properly? ES/NO Comments: _
3. Do results in files agree with reports sent to POTW? /NO Comments:
4. Who has authority to shut down production should a spill or slug discharge occur? Cjr U P CLAc. 1 6-CsIcri r�
5. How does SIU inform employees of whom to call at POTW in case of spill/slug?
SPC-C_ pis {. —0 s
If slug/spill plan is already required by POTW,review procedures.
6. Is SIU implementing slug/spill plan?a,NO Comments:
Comments:
INSPECTION RESULTS
Slug/Spill Control Plan Needed? YES/6 II
Comments,Required Or Recommended Actions: lr I Q 4,(po r*ci r r1`.J -Coe- c.wa e 1 fl
k-a‘�i r poc•Sv,IN/2 5 , N r-�-14_4 p J-Gcl (.5c ��ea� a-- e '/ o be e�et�r�i �J
Needs 'C \ rv-s(v- Or it 5 I ►►1c, •D '"fa
Signature Of Inspector(s) ci,ci ✓ Date: °I -'41—a 1
Date:
Title: SIU Inpsection Form
File name: COMP.INSP App 7-D
Revision data: August 1,1994 Page 2