NC0020184_Tax Certification_20211109

DIVISION OF WATER RESOURCES TCN:
APPLICATION FOR TAX CERTIFICATION This application is to be used only for waste treatment systems and equipment Rev.
$ EXEMPTION FORM TC-WQ under the authorityof the NC Division of Water Resources (DWR)
� ) 01/29/2016
DIRECTIONS:Complete and mail signed copies of the application form and all supporting information to both: 1)the County Tax Administrator for the County in which the facility is located(one copy)
AND 2)to the NC Division of Water Resources,Surface Water Protection Section, 1617 Mail Service Center,Raleigh,NC 27699-1617(two copies). Type or print in blue or black ink. A separate
application package is required for each facility where property proposed for tax certification is located.
THIS APPLICATION WILL NOT BE PROCESSED WITHOUT COMPLETE AND ACCURATE INFORMATION. If you have any questions regarding this application,please call the local tax office or the
NC Division of Water Resources at 919/807-6300 or their web site at Nips 1;oxddeq.prod.nc.gov/about/divisions/water-resources/water-resources-permits/wastewater-branch/npdes-wastewater/tax-
rtitiL.jtion for more specific contact information.
Please Note:
a)Tax Certifications will only be processed for facilities under the authority of the DWR and only if the DWR has found that the described property:
1. Has been or will be constructed or installed;
2.Complies with or that plans therefore which have been submitted to the DWR indicate that it will comply with the requirements of the Environmental Management Commission;
3. Is being effectively operated or will,when completed,be required to operate in accordance with the terms and conditions of the permit,certificate of approval,or other document of approval
issued by the DWR;and
4.Has or,when completed,will have as its PRIMARY rather than incidental purpose the reduction of water pollution;
5.Is being used exclusively(100%)for waste treatment.
b)If approved,the Tax Certification issued will incorporate all requested assets at the facility that meet the criteria for Tax Certification by DWR. Therefore this application must include any new assets
for which Tax Certification is being requested,as well as any assets previously receiving Tax Certification from DWR for which Tax Certification is still needed.
A.Applicant(Applicant is the owner of,and taxpayer for,the property described in this application for tax certification.)
Name of Applicant: Industrial Electroplating Co.,Inc.
Walter C. Prescott
Address of Applicant,if different from facility where property located: Physical Address of Facility where property located(no P.O. Box):
307 Linwood Road Gastonia NC 28052
(address) (city) (zip) (street address) (city) (zip)
usiness Relationship of Applicant to facility where property located: Owner/CEO
County where property located:
Name of Contact Person at Facility where property located:
Scott Curtis
Does the Applicant hold any NC Division of Water Resources Permits? 704-867-4547
gYes / ❑No Industrial Chemist/Plant Manager Phone Number:
Byes,please list p �? RECEIVED
PermitNo(s): Sa-Ult 1011 ( e1r �.��NPD�S u 1 n‘i'} NIC ooabt D '1
If approved,will this be the first Tax Certification issued for this Facility? If no,attach any previously issued N O V 0 9 2021
a'Yes / ❑ No tax certifications
B.Complete this Section only if the Operator/User of the facility and equipment is different from the Owner of the facility.
Name of Operator/User: NCDEQ/DWR fV/NPDES
Operator/User Address:
(address) (city) (zip)
Operator/User Contact Name:
Relationship between Operator/User of facility and equipment and applicant:
***ATTACH A PROCESS SCHEMATIC TO YOUR APPLICATION The number of each item for which Tax Certification is being requested must be shown on the schematic*** Application continues on
Next page
1 _

locuSign Envelope ID:70DBOEF5-2817-4B86-AB18-A410C93ADAE2
•
DIVISION OF WATER RESOURCES TAX CERTIFICATION & EXEMPTION APPLICATION PAGE 2
Waste Treatment Systems & Equipment: Waste treatment systems&equipment must be used exclusively for the abatement of water pollution Rev.090012013
ra OwR usa Was asset listed in Asset Number, %of time item is Is this asset
ace t:orey Oo A' Description of Waste Treatment Systems or Equipment the (Yes/No) Vehicle Identification How is this equipment used Ica abatement? Year of Original Historical
u..Ixf aapo..o-mY- permit equ'pm pollution used for pollution replacing a prior
I .itr,.ed Number(VAN) L abatement Acquisition Cost" asset?
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Attach addatonat pages If necessary
'e the asset Is listed In the DWO permit,the description must be Identical as Hsted on the current permit.It the asset Is not specifically listed in the DWO permit,the applicant must attach detailed Information as to why 1M asset should qualify for Tax Certification,
When certifying systems or equipment.OENR Is not certifying the cost of the equipment or the year of acqulsitton.
Facilities: To qualify for tax certification,the building or section of building being applied for,must be used exclusively for water pollution prevention. A sketch of the building,square footage along with
details as to how the building is used for water pollution prevention,is required.
Land: To qualify for tax certification,the land must be used exclusively for water pollution prevention. A schematic diagram of the facility detailing the land being applied for is required. The amount of land
(acreage)is required and how this land is being used to prevent water pollution. For wastewater treatment and irrigation system list separately the acreage used for actual treatment from the acreage required
by the facility's water quality permit for buffers and setbacks.
SIGNATURE:
I hereby certify that the above equipment,facilities and/or land are used for the purpose stated,and that the information presented in this application is accurate. Furthermore,I certify that any portable or
mobile equipment listed on this application will be used exclusively in the state of North Carolina.
Applicant
Signature: (,L)othJ)7 c_ /,.C .D-.V 1, � Title: ` CE D Date: AILL-Z' �1
(print name also) 1I,-,(I .
NOTICE: The penalty for false statement,representation or certification Of: � Iok �1�J �ll i t. U)'
herein includes imprisonment and I or the assessment of civil penalties. (Name of Applicant eusrness Entity) *cwo

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:ATION & EXEMPTION APPLICATION
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DocuSign Envelope ID:70DBOEF5-2817-4B86-AB18-A410C93ADAE2
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TWO RIVERS
We are TR U to our customers!
Significant Industrial User Pretreatment Permit
loll 433.17
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 Gastonia Sewer Use and
Industrial Wastewater Pretreatment Ordinance,the following Industry, hereafter referred to by the name or as
the permittee,
Industry Name,permittee:
Industrial Electroplating Co., Inc.
Facility Located at Street Address:
307 S. Linwood Road
City:
Gastonia
State,Zip:
North Carolina, 28052
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 Gastonia listed below,
IUP Control Authority WWTP name:
Lon Creek WWTP
NPDES Number:
NC0020184
WWTP Address:
3000 Old Spencer Mountain Road
City,State,Zip:
Dallas, North Carolina 28034
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 12:00 a.m.on this date:
January 1, 2021
Expiration date: This permit and the authorization to discharge
shall expire at 1 1:59 p.m.on this date:
December 31, 2025
L-39-.�.�p
Date Stephanie cheringer,Division Manager Wastewater Treatment
By authority of the City Council of the City of Gastonia
Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: I 1

Industrial User Pretreatment Permit
PART I
Specific Conditions
A. IUP Basic Information:
Receiving Control Authority and WWTP Name: POTW NPDES#:
City of Gastonia and Long Creek WWTP NC0020184
IUP Name: IUP Number.
Industrial Electroplating Co., Inc. 1011
IUP Effective date: Pipe Numbers:list all regulated pipes:
January 1,2021 002
IUP Expiration date: IUP 40 CFR#(if applicable),or N/A
December 31,2025 433.17
B. IUP Modification History:
Effective Renewal or Description of changes over previous IUP
Date Modification
7/1/1995 Modification A monitoring requirement for Mercury was added to collect data.Based upon
the HWA,a permit limit of 0.0002 will be effective 2/28/96.Based on the
HWA,Chromium has been lowered to 1.95.Based on the HWA,Cadmium has
been lowered to 0.003.Based on the HWA,Lead has been lowered to 0.150.
Based on the HWA,Nickel has been lowered to 1.50.Added Section G#9
concerning the"Chronic Refractory Toxicity Evaluation"per SOC
requirements.Permit form has been modified to conform with the State's
model.Cyanide limit has been lowered to 0.200 mg/L.
12/1/1995 Modification Extended permit expiration date to August 31, 1996.
1/1/1996 Modification Raised Cadmium limit to 0.008 mg/L.Increased cadmium monitoring
frequency to monthly.
9/1/1996 Modification Deleted the BOD limit.Increased Cadmium limit to 0.010 mg/L.Due to
noncompliance of the local limit,an Arsenic limit of 0.01 mg/L has been
established in order to prevent future noncompliance problems.A monitoring
requirement for TKN,Total Nitrogen,and Total Phosphorus has been added for
the purpose of collecting data.
4/15/1997 Modification Increased the NH3-N limit to 35.0 mg/L
. 10/1/1997 Modification Decreased flow from 0.070 MGD to 0.065 MGD.Deleted the COD,As and Hg
limits and the monitoring requirements for TKN,TN,TP,AS,and Hg.
Decreased the Zn limit from 2.50 mg/L to 2.00 mg/L.Deleted the toxicity
requirement.Revisions and deletions were made to Part I, Section G regarding
toxicity screenings.
3/1/2000 Modification Flow rate increase from 0.065 MGD to 0.085 MGD due to expansion.Increase
NH3-N from 35.0 mg/L to 40 mg/L due to an increase in the volume of zinc
production,which has ammonia in the bath.Increase in Zinc from 2.0 ug/L to
2.5 ug/L due to increase in Zinc production resulting from the communications
and electronics fields.
1/1/2001 Renewal Renewed permit as a result of the Headworks Analysis approved August 23,
2000 by NCDWQ.Revised permit effective and expiration dates to reflect a 5-
year period.Increased Flow limit from 0.085 mg/L to 0.095 mg/L/Decreased
monitoring frequency of the following from monthly to quarterly:Flow,BOD,
TSS,NH3-N,Cadmium, Chromium,Copper,Cyanide,Lead,Nickel,Zinc,and
T-metals.
Page 2 of 20
Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART I
Specific Conditions
Effective Renewal or Description of changes over previous IUP
Date Modification
2/5/2001 Modification Relocation of sampling point.
10/1/2001 Modification LTMP references added to permit Limits Page and permit General Conditions.
9/1/2002 Modification Decreased monitoring frequency from quarterly to biannually.A 4-consecutive
day sampling event shall be conducted once per 6-months.
7/15/2003 Modification In accordance with revised Sewer Use Ordinance,the permitted upper pH limit
has been increased to 10.5 s.u.for mutual benefit of the User and City.
6/1/2005 Modification Permit revised to require daily process control monitoring for metals of
concern.User is also required to utilize full capacity of the Wastewater
Treatment System,including holding tanks.
1/1/2006 Renewal Permit renewed as a result of HWA approved August 2005.
5/15/2006 Modification Revised to add utilization requirement to General Conditions Page 8#11.
Revisions made to Page 7 of IUP."As Needed"has been changed to"Semi-
Annually".Revisions made to Part I.G.7 pH monitoring and Part 1116
Analytical Requirements for clarity.Revision made to General Conditions Part
11,2 Reporting. SIU sampling data that is properly collected and analyzed but
submitted late,may not be used for surcharge purposes but will be used for
compliance judgment.Revisions made to General Conditions Part II,2
Reporting and 3 Additional Monitoring by Permittee.Revisions to Part II,31 a)
to require Professional Engineer signature at City's discretion.Revisions made
to General Conditions Part III,6 to clarify if TTO Certification Statement is
submitted,TTO analysis will not be conducted by POTW.
11/1/2007 Modification Addition of Powder Coating line to existing Electroplating processes. SIU 40
CFR Category changed from 413.14 to Metal Finishing 433.17.Corrections
made to Monthly Avg.limitations for Chromium and Zinc. Chromium reduced
from 1.95 mg/L to 1.71 mg/L.Zinc reduced from 2.50 mg/L to 1.48 mg/L.
Previous limitations were above the 40 CFR Categorical Standards.Revisions
to Part I,G.Definitions and Limits Page(s)notes:#7 pH monitoring and
Effluent pH continuous monitoring system,if required.Increase monitoring
frequency to quarterly.
7/15/2008 Modification Added Silver limit of 0.22 mg/L as required by 40 CFR 433.17 and removed
Total Metals limit—not required by 40 CFR 433.17.Corrected expiration date.
1/1/2011 Renewal Permit renewed due to 2010 HWA and Sewer Use Ordinance(SUO)
amendments required by the Environmental Protection Agency(EPA)and the
State of North Carolina(see file for history).
7/1/2011 Modification Changed made per NCDWQ.
6/1/2013 Modification Revised Part I Specific Conditions,Part II General Conditions and Part III
Special Conditions due to Sewer Use Ordinance(SUO)amendments required
by the Environmental Protection Agency(EPA)and the State of North
Carolina.Revised the required laboratory detection limits.
1/1/2016 Renewal Permit renewed due to 5 year HWA and permit expiration.Corrected Long
Creek WWTP address and Town of Dallas zip code.Changed North Carolina
Department of Environment and Natural Resources to North Carolina
Department of Environmental Quality.Changed North Carolina Division of
Water Quality to North Carolina Division of Water Resources. Oil and Grease
increased from 100 mg/L to 200 mg/L.Increased pH to 11.0 s.u.Corrected
categorical 40 CFR#to 433.17.
Page 3 of 20
Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

industrial User Pretreatment Permit
PART I
Specific Conditions
Effective Renewal or Description of changes over previous 1UP
Date Modification
2/1/2017 Modification Removed COD monitoring requirement. Corrected Long Creek WWTP
address.Add TTO definition and TTO/TOMP certification to part III.
4/1/2019 Modification Modified the Schematic and Monitoring Locations in Part I Specific Conditions
E.to correct errors and indicate the direction of flow through the pretreatment
system.Included required frequency for Oil and Grease analysis.Updated
Industrial Chemist title to Pretreatment Coordinator.Updated the minimum
laboratory detection limits on the limits page.
1/1/2021 Renewal Permit renewal due to permit expiration of 12/31/2020. Updated permit
template used with revised general language. Added total phosphorus and TKN
quarterly monitoring frequency.Removed TSS limit.Updated CWF flow data,
and used monthly average limit from CWF as the permitted daily max limit for
Ag and Zn effluent standards. Cd and CN were limited based on allocating the
industrial loading among Industrial Users.
Page 4 of 20
Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART I
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 Gastonia.
2. The permittee is hereby authorized to continue operation of and discharge wastewater from
the following listed treatment or pretreatment facilities. These facilities must correspond to
the treatment units listed on both the permit application and inspection forms.
IU Treatment Units
List all Treatment Units: Descriptions _
pH Adjustment Automatically adjusted based on set points
Chemical Precipitation and Removes solids from wastewater
Flocculation
Settling Removes solids from wastewater
Filter Press Presses sludge for separate disposal
3. If required by and after receiving Authorization to Construct from the City of Gastonia,the
permittee is hereby authorized to 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# Description
001 Abandoned sample location.
002 Discharge process wastewater from alkaline chloride zinc process and
powder coatingrinses throughmanhole located in front of the facility
located at 319 S. Linwood Road. Domestic wastewater does not flow
through this pipe.
Page 5 of 20
Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART I
Specific Conditions
E. Schematic and Monitoring Locations:
IEP's pretreatment system consists of a computer controlled wastewater treatment system utilizing
chemical precipitation and flocculation processes. Spent solutions may be treated in the batch tank
before being sent back to the spent solutions holding tanks and then going through the remainder of
the pretreatment system.Chrome waste is treated in the chrome treat tank before going through the
remainder of the pretreatment system.The automated system is programmed to make any necessary
pH changes prior to being sent to the final neutralization tank,where process wastewater flows to
Pipe 002 and then the City sewer.
A
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tr,
Sludge Chrome
Dryers Treat tank
Lamella Gravity Settler
IBatch Tank
. ■ Neutralization Tanks Sludge Holding tanks
Control Panel Flocculation tank
I ��A A _ Sludge
110 /
Acid/Alkali Rinse �r"" �� Thickener
/ 0
Holding Tanks ` i �
Acid/Alkali
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Final Neutralization tank
i • Sludge
4 4 1 Filter Press
Spent
Solutions
holding
tanks
0
1 Sampling Point
Pipe 001-Abandoned
Wastewater Flow
Sampling Point
Pipe 002 -40. Sludge flow
M in
Water Meter To City sewer Water Meter
Linwood Road 1
Page 6 of 20
Document: WPR-0102.10 1 1 Corresponding Procedure:WPR-0100.000
Revision Date: 1/0121
Revision#: 11

Industrial User Pretreatment Permit
PART I. Specific Conditions
Receiving POTW name: Long Creek IU Name: Industrial
Part I, Section F: Electroplating
Receiving POTW NPDES#: NC0020184 1UP Number: 1011
Effluent Limits and Monitoring Requirements Effective date for these limits: 01/01/21 Pipe Number: 002
Expiration date for these limits: 12/31/25 40 CFR Number: 433.17
The pentuttee may discharge from this specific pipe if not applicable put N/A
dates, effluent The Limits on this page are, (Check one below)
number according to these specific
Limits for entire permit period: X
limits, and monitoring requirements. Interim Limits for period#1:
Interim Limits for period#2:
FINAL LIMITS PAGE:
Concentration Limits Mass-Based Limits(See Sect.G.7) Monitoring Frequency Sample Recommended
Collection Laboratory
Conventional Daily Monthly Daily Monthly
Max. Average Units Max. Units by Permittee by City Method Detection
Av
Parameters g g (C,I,G or R)' Limits(mg/L)
1. Flow 2 0.095 MGD Monthly Every Sample M
2. pH' 6.0-11.0 s.u. Continuously Quarterly G
3. BOD Quarterly C 20
4. TSS Quarterly C 2.5
5. Oil and Grease 200 mg/L Semi-Annually G 5
Other Parameters
6. NII3-N 40.0 mg/L Quarterly C 0.2
7. Phosphorus(T) Quarterly C 0.1
8. TKN Quarterly C 1.00
9. Cadmium 0.030 mg/L Quarterly C 0.0005
10. Chromium 1.710 mg/L Quarterly C 0.005
11. Copper 1.00 mg/L Quarterly C 0.005
12. Cyanide 0.20 mg/L Quarterly G 0.010
13. Lead 0.15 mg/L Quarterly C 0.005
14. Nickel 1.50 mg/L Quarterly C 0.005
15. Silver 0.22 mg/L Quarterly C 0.001
16. Zinc 1.48 mg/L Quarterly C 0.020
17. TTO 4 2.13 mg/L _ Semi-Annual" Annually
18. LTMP 5 Annually
1. C=Composite Sample,I=Instantaneous,G=Grab Sample,R=Recorder
2. Flow measured by two City water meters.See Part III,Section 1 for flow monitoring information.
3. See Part I,Section G.9 for more pH monitoring information.
4. Either'ITO annual analysis or semi-annual certification per approved TOMP is required.See part III 6-8.
5. See Part I.G6 for information about long-term monitoring.
Document: WPR-0102.1011 Page 7 of 20 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART I
Specific Conditions
G. Definitions and Limit Page(s)notes:
In addition to the definitions in the City of Gastonia Sewer Use and Industrial Wastewater Pretreatment
Ordinance,the following definitions and requirements apply:
1. City: As used herein,City shall mean City of Gastonia
2. Composite sample:
a. a sample consisting of grab samples collected at equal intervals and combined proportionally
to flow;or
b. a sample continuously collected proportionally to flow;or
c. a sample of equal volumes,not less than 100 ml,taken at equal time intervals no more than
one hour apart.
Samples shall be collected during the entire discharge period on a typical production and discharge
day.The method used for sampling this permittee is aliquots of equal volume,not less than 100 ml,
taken at equal time intervals no more than one hour apart.Any decision to allow an alternative
method than the one designated above will be documented in the City's file for this permittee.
3. Daily monitoring frequency: Daily monitoring frequency as specified in this IUP shall mean each
day of discharge.
4. 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 and over a period of time
not to exceed 15 minutes.
5. Instantaneous measurement: An instantaneous measurement for the monitoring requirements of
this IUP,is defined as a single reading,observation or measurement.
6. LTMP parameters: The Headworks Long-Term Monitoring Plan for the City's wastewater
treatment plants specifies a minimum monitoring frequency of certain parameters which are
pollutants of concern. Such parameters,while not listed individually on the permit limits page,shall
be monitored as required by the Long-Term Monitoring Plan.
7. Mass loading: Where concentration limits and mass loading limits are both listed for the same
parameter,only the concentration limit will be used when flow is below permit limit. If the flow
exceeds the permitted limit,the mass-loading limit(lbs/day)will take precedence over the
concentration limit.Parameters and prohibitions not included in this permit shall be regulated and
limited in compliance with the Sewer Use Ordinance.
8. Ordinance: Refers to the Code of Ordinances for the City of Gastonia,as amended from time to
time hereafter.
9. pH monitoring: Only pH measurements analyzed by a certified laboratory within the 15 minute hold
time will be used for compliance determination. In the event a pH result shows a limit excursion,a
2nd grab sample may be collected within 15 minutes from the collection of the 1st sample,in order to
show that the excursion did not last more than 15 minutes. In such cases,the 2nd pH result will
supersede the 1st result and will be utilized for compliance determination. The POTW Director or
his/her designee reserves the right to take enforcement action if he/she determines or suspects that any
excursion has caused or contributed to inhibition,pass through, or damage to the POTW.
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Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART I
Specific Conditions
pH continuous monitoring&recording system: At the time of this permit issuance,continuous pH
monitoring&recording is required.
Calibration of the pH monitoring system shall be performed per manufacturer's directions and as
often as necessary to maintain accurate pH readings at all times,with a minimum calibration
verification frequency of once per month. The permittee shall maintain recordings of all calibration
and verification and keep a log of the time,date,and reason for any downtime. Permittee shall notify
the City as soon as possible of any period when the effluent pH monitoring and recording system is
not operational or any extended periods of inaccuracy. The permittee is required to have spare parts
for this system on hand in order to limit periods of inoperation.
If a continuous effluent pH monitoring&recording system is required,information will not be used
to judge pH limit compliance,however if the pH grabs indicates a reason for concern,this permit may
be modified to require the use of the pH monitoring&recording systems for compliance judgment.
Failure to maintain continuous operating efficiency,or failure to notify City of periods of inoperation
or inaccuracy may subject the permittee to enforcement action. The POTW Director or his/her
designee reserves the right to take enforcement action if he/she determines that any value indicated by
the continuous pH monitoring&recording system constitutes documentation of a slug load
(prohibited by Part II, 32,of this IUP),including those that may have caused or contributed to
inhibition,pass through,or damage to the POTW.
10. POTW: The Publicly Owned Treatment Works of the City of Gastonia.
11. Toxicity screening: Toxicity shall be monitored using the"Protocol for Performing Chronic
Toxicity Screening of Industrial Discharges to the City Wastewater Treatment Plants"revised 4/1/16,
or subsequent versions,at a frequency designated by the POTW Director. The permittee shall be
billed for toxicity screening at the amount set forth in the City of Gastonia Water&Sewer Rate
Schedule.
Page 9 of 20
Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART II
General Conditions
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 waste stream,body of water,
or substance. Monitoring points shall not be changed without notification to,and approval by,the City.
2. Sample Collection
All samples must be collected at designated sampling point(s). Samples for oil and grease,temperature,
pH,cyanide,phenols,sulfides,and volatile organic chemicals must be obtained using grab sample
techniques. The POTW may determine the number of grabs necessary to be representative of the
permittee's discharge. The POTW Director or his/her designee may allow collection of multiple grabs
during a 24-hour period which are composited prior to analysis as allowed under 40 CFR 136.
All composite sampling shall be collected using flow proportional techniques unless time proportional
techniques or grab sampling is authorized by the POTW Director or his/her designee. The day the
composite sample is complete will be considered the day of the sample.
3. Surcharges
The character and concentration of the constituents of the wastewater used in determining surcharges shall
be determined by samples collected and analyzed by the City or,with prior approval of the POTW Director
or his/her designee,collected by the permittee and analyzed by a laboratory certified by the State of North
Carolina for those parameters,or both. To determine surcharges,analytical results for the samples collected
during the surcharge period will be averaged. Flow volume will be determined by the City. All data will be
considered,however the determination of the character and concentration of the constituents of the
wastewater discharge by the POTW Director or his/her designee shall be binding as a basis for charges.
4. Test Procedures and Certified Laboratory Analysis
Test procedures for the analysis of pollutants shall be performed in accordance with the techniques
prescribed in 40 CFR part 136 and amendments thereto unless specified otherwise in the monitoring
conditions of this permit.Pollutant analysis shall be performed by a North Carolina Division of Water
Resources certified laboratory that is certified in the analysis of the pollutant in wastewater. If 40 CFR Part
136 does not contain analytical techniques for the pollutant in question,analyses must still be performed by
a laboratory certified by the State of North Carolina for each parameter analyzed,in accordance with
procedures approved by the EPA or POTW Director. Each parameter analysis detection limit shall be less
than or equal to the associated parameter concentration limits(or calculated mass based limits)listed in Part
I item F to determine compliance. See Part I item G.9 in regard to pH.
5. Additional Monitoring by Permittee
If the permittee monitors any pollutant as specified above at the designated sampling point more frequently
than required by the permit,using approved analytical methods,the results of such monitoring and those of
any split samples shall be,without exception,submitted to the City. The City may require more frequent
monitoring or the monitoring of other pollutants not required in this permit by written notification. The
City shall have the opportunity to split samples. The permittee shall forward a sampling schedule to the
City postmarked no later than ten(10)days prior to actual sample collection.
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Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART II
General Conditions
6. Reporting
a) If the permittee receives a split of the sample collected by the City,information regarding the
sample must be documented on the Record of Split Sampling Event form. This form must be
submitted via email or postmarked,hand delivered or faxed within seven(7)days of the
sample collection. If the permittee fails to submit the required form within the required time
period,the results obtained from the sampling event may be excluded for surcharge purposes.
b) Monitoring results and flow information obtained by the permittee shall be reported on forms
specified by the City. The laboratory data,Chain of Custody,and Industrial Flow Monitoring
forms must be postmarked no later than the tenth day of the month,or delivered by hand or
fax by the fifteenth day,following the month in which the samples were collected. If the
permittee fails to submit the reports on or before the due date,the results obtained from the
sampling event may be excluded for surcharge purposes. SIU sampling data that is properly
collected and analyzed,regardless of when submitted,will be used for compliance judgment
purposes. 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.
Failure to submit or accurately submit reports will subject the permittee to enforcement action.
Copies of these and all other reports required herein shall be submitted to the City of Gastonia
and shall be sent to the following address as needed:
Name: Pretreatment Coordinator
Mailing Address: Two Rivers Utilities,P.O.Box 1748,Gastonia NC 28053-1748
Physical Address: 3000 Old Spencer Mountain Road Dallas,NC 28034
Fax: [phone]
c) If sampling performed by the permittee indicates a violation,the permittee shall notify the
POTW Director or his/her designee within twenty-four(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 POTW Director or his/her designee within thirty(30)days after
becoming aware of the violation.
d) Where the City has performed the sampling and analysis in lieu of the permittee,the City
shall repeat the sampling and obtain the results of the repeat analysis within 30 days after
becoming aware of the violation,unless one of the following occurs:
1. the City performs sampling at the permittee at a frequency of at least once per month,or
2. the City performs sampling at the permittee between the time when the initial sampling
was conducted and the time when the permittee or the City receives the results of this
sampling,or
3. the City notifies the permittee within 24 hours of becoming aware of the violation,and
requires the permittee to perform sampling and submit the results to the City within the
30-day deadline of becoming aware of the violation.
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Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART II
General Conditions
7. Duty to Comply
This permit is issued pursuant to the Code of Ordinances of the City of Gastonia and applicable State and
Federal Laws and Regulations as they now exist or as they may hereinafter be modified. The permittee
must comply with all such Ordinances,laws,regulations and conditions of this permit.Any permit
noncompliance constitutes a violation of the City Ordinance and is grounds for possible enforcement action.
8. 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.
9. Facilities Operation,By-Pass
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. By-pass of the treatment facilities is prohibited except when approved in advance
by the City. By-pass approval shall be given only when such by-pass is in compliance with the conditions
outlined in the Ordinance and 40 CFR 403.17.
10. 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 sewer system. 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.
11. Upset Conditions
An"upset"means an exceptional incident in which there is an unintentional and temporary noncompliance
with categorical or local Pretreatment Standards 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. Nothing stated herein shall relieve the permittee from
otherwise abiding by all of the conditions outlined in the Ordinance and in this permit.
12. Right of Entry
The permittee shall allow the staff of the State of North Carolina Department of Environmental Quality,
Division of Water Resources,the Regional Administrator of the Environmental Protection Agency,the City
of Gastonia,and/or their authorized representatives,upon presentations of credentials,
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Revision#: 11

Industrial User Pretreatment Permit
PART II
General Conditions
a) 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
b) 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.
13. 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(3)years unless the permittee has been specifically notified of a longer retention period by the
POTW Director or his/her designee. 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.
Records shall include the date,exact place,method and time of sampling and the name of person(s)taking
the samples,the dates the analyses were performed,who performed the analyses,the analytical methods
used,the results of such analyses,and Chain of Custody and other forms as prescribed by the POTW
Director or his/her designee. Additional records shall include,but are not limited to, calibration and
maintenance of pertinent instrumentation,recordings from continuous monitoring instrumentation,
information used to complete the application for this permit,and all records of enforcement activities.
Except for data determined to be confidential under the Sewer Use Ordinance,all reports prepared in
accordance with the terms of this permit shall be available for public inspection at the City of Gastonia. As
required by the Sewer Use Ordinance,effluent data shall not be considered confidential.
14. Duty to Provide Information
The permittee shall furnish to the POTW Director or his/her designees within a reasonable time,any
information which the POTW Director or his/her designee or the Division of Water Resources may request
to determine whether cause exists to modify,reissue,revoke or terminate this permit or to determine
compliance with this permit. The permittee shall also furnish,upon request,copies of records required to
be kept by this permit.
15. Signatory Requirements
All reports or information submitted pursuant to the requirements of this permit must be signed and
certified by the Authorized Representative as defined under the 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
POTW Director or his/her designee prior to,or together with, any reports to be signed by an authorized
representative.
16. Toxic Pollutants and Hazardous Waste
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
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Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART II
General Conditions
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. Discharge of hazardous waste shall be
regulated as specified in Section 14-319 of the City Code of Ordinances.
17. Civil and Criminal Liability
Nothing in this permit shall be construed to relieve the permittee from civil and criminal penalties for
noncompliance.
18. Municipal,State and Federal Laws
Nothing in this permit shall be construed to preclude the institution of any legal action by the City or relieve
the permittee from any responsibilities,liabilities,or penalties established pursuant to any applicable
Federal, State,and/or local law or regulation.
19. Penalties
With respect to wastewater treatment,any user who is found to have violated an Order of the City Council
or who fails to comply with any provisions of this permit or of the Ordinance,and the orders,rules,
regulations,and permits issued pursuant thereto shall be subject to such fines and penalties as are provided
in the Ordinance for each offense.Each day on which a violation shall occur or continue shall be deemed a
separate and distinct offense. In addition to the penalties,the City may recover reasonable attorney's fees,
court costs,court reporter's fees and other expenses of litigation by appropriate suit at law against the
person found to have violated the Ordinance or the orders,rules,regulations,and permits issued.
The City Ordinance 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.
Any person who falsifies,tampers with,or knowingly renders inaccurate any monitoring device or method
required under the Ordinance shall be guilty of a misdemeanor as provided therein and shall,upon
conviction,be punished by a fine or imprisonment,or by both up to the maximum allowed by law.
20. 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.
21. Transferability
This permit is issued to a specific user for a specific operation. This permit shall not be reassigned or
transferred or sold to a new owner,new user,different premises, or a new or changed operation.
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Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART II
General Conditions
22. 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 and local laws or regulations.
23. 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.
24. Permit Modification,Revocation,Termination
This permit may be modified,revoked and reissued,or terminated with cause in accordance to the
requirements of the City Ordinance and North Carolina General Statutes or implementing regulations.
25. Re-application for Permit Renewal
The permittee is responsible for filing an application for reissuance of this permit by submitting a complete
permit application in accordance with Section 14-289 of the City Code of Ordinances a minimum of 180
days prior to expiration of the existing permit.
26. 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.
27. Reports of Changed Conditions
The permittee shall give notice to the City 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 180 days before the
change. The permittee shall not begin the changes until receiving written approval from the City. Also see
Part II,32 for additional reporting requirements for spill/slug issues. Significant changes may include but
are not limited to:
a) increases or decreases to production;or
b) increases in discharge of previously reported pollutants; or
c) discharge of pollutants not previously reported to the City; or
d) new or changed product lines; or
e) new or changed manufacturing processes and/or chemicals; or
f) new or changed customers; or
g) flow or pollutant increases of 20 percent or greater.
28. Construction
No construction of pretreatment facilities or additions thereto shall begin until final plans and specifications
have been submitted to the City POTW Director or his/her designee and written approval of the
Authorization to Construct have been issued.
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Industrial User Pretreatment Permit
PART II
General Conditions
The submission and review process shall include:
a) Submission of three(3)copies of the final plans and specifications to the City. The City may
require these submissions be signed by a Professional Engineer registered in North Carolina.
b) Construction shall not begin until the permittee receives from the City an Authorization to
Construct, including a signed copy of the final plans and specifications.
c) Upon completion of the construction and prior to the operation of the facility,the City may
request written certification from a registered Professional Engineer certifying that the newly
constructed facility has been installed in accordance with the pretreatment permit,the
Authorization to Construct,and the final plans and specifications.
d) At least 48 hours prior to the operation of the facility,the permittee must notify the City and
request a facility inspection.
e) If,after completion of construction,the facility fails to perform satisfactorily,the permittee shall
take immediate corrective action and notify the City. Any additional construction will require a
new Authorization to Construct.
t) The Authorization to Construct shall not,in any way,be construed to constitute approval by the
City of the process described in the final plans and specifications,or as a guarantee by the City
that the process will perform as described therein.The responsibility for meeting the limitations
and conditions of the permit and the conditions of the City Ordinance lies solely with the
permittee,and nothing in the Authorization to Construct shall be construed to relieve the
permittee of that responsibility.
g) Any construction of pretreatment facilities without prior approval,including an Authorization to
Construct from the City and a signed set of final plans and specifications,is a violation of the
pretreatment permit and will subject the permittee to enforcement action in accordance with the
City Ordinance.
29. Reopener
The permit shall be modified or,alternatively,revoked and reissued to comply with any applicable effluent
standard or limitation for the control of any pollutant hereinafter 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 Federal, State,and
local pretreatment regulations then applicable.
30. 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 standards or limitation so issued or approved:
a) Contains different conditions or is otherwise more stringent than any effluent limitation in this
permit; or
b) 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.
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Industrial User Pretreatment Permit
PART II
General Conditions
31. General Prohibitive Standards
The permittee shall comply with the general prohibitive discharge standards in Section 14-226 of the City
Ordinances and 40 CFR 403.5 (a)and(b)of the Federal pretreatment regulations.
32. Reports of Potential Problems
The permittee shall provide protection from accidental and slug discharges of prohibited materials and other
substances regulated by this permit. The permittee shall also notify the POTW immediately of any changes
at its facility affecting the potential for spills and other accidental discharge,discharge of a non-routine,
episodic nature,a non-customary batch discharge,or a slug load as defined in the City Ordinance.
Additionally,the permittee shall immediately notify the City by telephone of all discharges that could cause
problems to the POTW including any slug loadings as defined in the City Ordinance. If the permittee
experiences such a discharge,they shall inform the City immediately upon the first awareness of the
commencement of the discharge. 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 five(5)days,unless waived by the City. Such
notification shall not relieve the permittee from any liability which may be incurred as a result of the
discharge.
33. Legal Requirement to Meet Categorical Standards
The permittee is required to meet federal categorical standards where applicable.Limits in this permit are
enforceable as local limits,but they do not take the place of categorical standards.Compliance with local
limits does not relieve the legal requirement to be in compliance with the categorical standard itself.
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Industrial User Pretreatment Permit
PART III
Special Conditions
1. Flow Measurement Requirements
Volume of wastewater flow shall be based on wastewater usage metered by a City approved flow meter.
Metered flow readings adjusted to a 24-hour period will be utilized and will be determined by manual or by
electronic reading of the meter.If for any reason daily meter readings are not available,the best available
flow data will be utilized to determine compliance as well as surcharge and volume billings.
At the time of issuance of this permit,the devices used in determining the total discharge of wastewater
shall be two(2) City water meters maintained by the City that measure the water consumption.
The permittee is required to submit monthly flow data to the City by the 15th day of the following month.
Monthly flow data shall be submitted on a form that has been approved by the City,or the permittee may
use a form provided by the City.
2. Biocides
The permittee shall not use any biocides except those approved in conjunction with the permit application.
The permittee shall request approval from the POTW Director or his/her designee in writing not later than
90 days prior to instituting use of any additional biocides.
3. Chronic Refractory Toxicity Evaluation
Within one hundred twenty(120)days of the effective date of this permit,unless all pertinent information
has been previously submitted,the permittee must complete and submit the following to the City:
A detailed evaluation of all water treatment,cleaning,maintenance,and process chemicals used in
quantities over 50 lbs/day that could be discharged to the City. This evaluation shall include,at a
minimum,the specific chemical name and not just the trade name of the materials,available information on
the aquatic toxicity of the materials,and manufacturers or literature data on the materials.
Chemicals which fall under the criteria stated herein used after the evaluation is completed must also be
evaluated and submitted to the City,as defined herein,within ten(10)days after first use by permittee.
4. Slug/Spill Control Measures
In addition to the requirements in Part II,32,the permittee shall complete installation and/or commence
implementation,operation,and/or maintenance of the following specific protection measures,activities,
plans, etc. Items without specific completion dates or marked as"continuous"must be performed for the
entire duration of the permit.
Description of measure,activity,plan,or other Required completion or
implementation date
1.Implement an approved Slug/Spill Control Plan. Update as needed. Continuous
The permittee shall provide updates to the City as required by Part II,32,of this permit. Modifications to
the measures shall be approved by the City prior to installation/implementation. If a measure fails,the City
shall be notified within 24 hours.
For any required Slug/Spill Control Plan:
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Industrial User Pretreatment Permit
PART III
Special Conditions
The permittee shall develop a written slug/spill control plan and submit it to the City for review and
approval. The plan shall include,but is not limited to:
a. description of discharge practices,including non-routine batch discharges,
b. description of stored chemicals,
c. procedures for immediately notifying the POTW of slug discharges that would cause a violation
of Section 14-226 of the City Ordinances and 40 CFR 403.5 (b),with procedures for follow up
notification within 5 days;and
d. if necessary,procedures to prevent adverse impact from accidental spills,including inspection
and maintenance areas,handling and transfer of materials,loading and unloading operations,
control of plant site run-off,worker training,building of containment structures or equipment,
measures for containing toxic organic pollutants(including solvents),and/or measures and
equipment for emergency response.
5. Sludge Management Plan
Ninety days prior to the initial disposal of sludge generated by any pretreatment facility,the permittee shall
submit a sludge management plan to the POTW Director or his/her designee.
6. Total Toxic Organic(TTO)definition:
The sum of the concentrations of the toxic organic compounds listed in 40 CFR Part 433.11 (e)that are
found in the permittee's discharge at a concentration greater than 0.01 mg/1
7. Total Toxic Organics Management Plan
Within ninety days of the issuance of this permit,the permittee shall develop and submit to the POTW
Director or his/her designee a toxic organic management plan.
8. Total Toxic Organics(TTO)Certification
In lieu of monitoring for TTO,the permittee may,upon providing the City one sample showing TTO
compliance and a toxic organic management plan,make the following certification every six months:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the
permit limitation for total toxic organics(TTO),I certi*that, to the best of my knowledge, no dumping of
concentrated toxic organics into the wastewaters has occurred since filing of the last monitoring report. I
further certify that this facility is implementing the toxic organic management plan submitted to the City of
Gastonia."
At a minimum,the certification statements are due by July 10tt,of each year covering the January through
June six-month period,and December 1"of each year covering the July through December six-month
reporting period. If the certification is not submitted for both periods within 5 days of the respective due
dates,the City shall collect TTO samples before December 31"and the permittee will be billed for the cost
Page 19 of 20
Document: WPR-0102.1011 Corresponding Procedure:WPR-0 100.000
Revision Date: 1/01/21
Revision#: 11

Industrial User Pretreatment Permit
PART III
Special Conditions
of the sampling and/or analysis. If circumstances change during December after certification has been
submitted,the permittee shall immediately notify City verbally and in writing.
9. Combined Wastestream Formula Flow Condition(for CIUs only)
Regulated Categorical Process Flow:
The permittee shall have available flow monitoring equipment at such locations as necessary to measure the
total daily volume of wastewater discharged that is covered by 40 CFR 433.17. This flow monitoring
equipment shall also be capable of measuring flows with a maximum deviation of less than 10%from true
discharge rates throughout the range of expected discharge volumes,however it is not required that it be
continuous recording. At the time of issuance of the permit,this method consists of two city water meters
and the monitoring frequency shall be monthly and data shall be collected and reported as required in this
permit. Additions or modifications to the flow metering equipment shall be approved by the City prior to
installation.
Page 20 of 20
Document: WPR-0102.1011 Corresponding Procedure:WPR-0100.000
Revision Date: 1/01/21
Revision#: 11