NC0024333_Industrial User (CM-01)_20220523

ionroe
North Carolina
May 20, 2022 RECEIVED
mks( 2 3 2022
Mr. Bruce Robinson
General Manager- Operations NCDEQIDWRINPDES
Goulston Technologies, Inc.
700 North Johnson Street
Monroe,North Carolina 28110
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
Dear Mr. Robinson:
Please find enclosed herein Industrial User Permit CM-01 authorizing Goulston Technologies,
Inc. to continue to discharge wastewater to the City of Monroe sewer system for further
treatment at the City of Monroe Wastewater Treatment Plant through December 31, 2023 and
specifying the conditions governing this discharge. All Significant Industrial permits are subject
to review and approval by NCDWR PERCS Unit. Please review this entire permit carefully in
order to meet all requirements.
This IUP renewal/modification includes permit limit changes for Flow, Ammonia, BOD,
Copper, TSS and Zinc.
Consistent with the provisions of the City's Sewer Use Ordinance, the terms and conditions of
this permit are binding upon the industrial user.
Should you feel the need to appeal, you may appeal with the guidance of the sewer use ordinance
under § 52.051
§ 52.051 WASTEWATER PERMITS.
(I) Hearings.
(1) Initial Adjudicatory Hearings. An applicant whose permit is denied, or is granted
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 may be 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\Goulston
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 RECEIVED
Industrial User Pretreatment Permit(IUP)
To Discharge Wastewater Under the °r1 a 3 2022
Industrial Pretreatment Program NCDEQ/DWR/NPDES
CM-01 - N/A
IUP Number 40 CFR Category
(if Applicable)
hi 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:
Goulston Technologies,Inc.
Facility Located at Street Address:
700 North Johnson Street
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:
December 31,2023
LC: 2dd 22
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. IUP Basic Information
Receiving POTW name: POTW NPDES#:
City of Monroe Wastewater Treatment Plant NC0024333
IUP Name: IUP Number:
Goulston Technologies,Inc. CM-01
IUP Effective date: Pipe Numbers,list all regulated pipes:
July 1,2022 02
IUP Expiration date: IUP 40 CFR#(if applicable),or N/A:
December 31,2023 N/A
B. IUP History:
Effective Date: Renewal or Modification: Description of modifications.
7/1/95 issued permit
Date Modified
7/1/98 permit renewal
Date Modified
9/21/98 monitoring frequency for metals
reduced,elimination of TTO,Hg,Cr,Ag
monitoring requirement,change
verbiage in SPCC requirement
6/29/01 Permit issued: changed limits for
BOD,TSS,NH3-n, Cu; changed
monitoring frequency; dropped Cd,
Ni; changed verbiage in PART I(F)
1),PART II 17),PART II 29).
10/19/01 Permit modification for frequency of
Industry monitoring of flow
7/1/04 Permit issued; added RO to
treatment units; dropped lead;
changed description of discharge;
changed limits for BOD
IUP#=>CM-01
Page:2
Effective Date:July 1,2022

Effective Date: Renewal or Modification: Description of modifications.
May 15,2007 Renewal Permit issued;changed PART I B.
heading;changed detection limit for
Cyanide;changed page 6 F)to G);
changed verbiage in PART I G) 1.,2.,3.;
changed verbiage in PART II 2. a),b),
c); 10., 13., 16.,25.,27.,30.;changed
verbiage in PART III 2.2.,2.3.;added
PART III 4.,5.,6.
May 15,2009 Modification Permit modification;changed PART I D)
description of discharge.
July 1,2010 Renewal Permit renewal;changed monitoring
frequency for flow;changed verbiage
PART I G);changed limit for cyanide
July 1,2013 Renewal Permit issued;changed TSS detection
limit.
July 1,2016 Renewal Permit renewal
July 1,2019 Renewal Permit renewal
July 1 2022 Renewal/Modification Permit renewal;Changed daily flow
limit,changed mass limits for BOD,
TSS,NH3-N,copper and zinc.Modified
treatment units.Removed concrete
testing lab wastewater.
IUP#=>CM-01
Page:2B
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:
Distillation Distillation of wastewater to concentrate solids
Spill protection
Filtration
Reverse Osmosis
pH adjust
10,000-gallon per day Ultra filtration system (to be added during permit cycle)
10,000-gallon per day MBR treatment unit(to be added during permit cycle)
(3)20,000-gallon flow equalization tanks (to be added during permit cycle)
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:
Domestic
Pipe#02,Description of Discharge:
Process wastewater from North and South buildings, Non-Contact Cooling
Water, & Cooling Tower Blowdown,RO reject water,
IUP#_>CM-01
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 attachments on Pages 4A,4B and 4C.
IUP#=>CM-01
Page:4
Effective Date:July 1,2022

GOULSTON TECHNOLOGIES, INC,
SOUTH SIDE OF BEARSKIN CREEK
SEWER CONNECTIONS DIAGRAM
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SEWER CONNECTIONS
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IUP, Part I, Section F: Receiving POTW name=>City of Monroe IU name=>Goulston
Effluent Limits and Monitoring Requirements Receiving POTW NPDES#_>NC0024333 IUP#=> CM-01
Effective date for these Limits=7/1/22 Pipe#_> 02
The permittee may discharge from this specific pipe Expiration date for these Limits=> 12/31/23 40 CFR#=>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 Monthly Units Daily Monthly Units by Industry by POTW Collection laboratory
Max Avg. Max Avg. Method Detection
(C or G) Limits
Flow .040 MGD MGD Daily* Every Sample Meter
BOD mg/1 85 lbs/day 1/6 Months2 1/6 months C 2.0 mg/1
TSS mg/1 67 lbs/day 1/6 Months 1/6 months C 2.5 mg/1
Temperature Deg. C Deg. C
pH 6 to 11 Std.Units 6 to 11 Std.Units 1/6 Months 1/6 months G
Other Parameters, Please list alphabetically
Ammonia mg/1 6 lbs/day 1/6 months 1/6 months C .5 mg/1
mg/1 lbs/day
Copper mg/1 .07 lbs/day 1/6 months 1/6 months C .010 mg/1
Cyanide mg/1 .006 lbs/day 1/6 months 1/6 months G .010 mg/1
mg/1 lbs/day
mg/1 lbs/day
Zinc mg/1 .09 lbs/day 1/6 months 1/6 months C .010 mg/1
1 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 1/6 months shall be 1 sampling event consisting of one day every 6 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).
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-01
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-01
Page: 7
Effective Date:July 1,2022

PART II
General Conditions
Industrial User Pretreatment Permit (IUP)
c) Laboratory reports shall include the following:
1. sample preparation-type and date(s) and time(s)performed;
2. analysis start dates and times;
3. analyst(s)initials;
4. analytical techniques and methods used;
5. results of the analyses;
6. chain of custody records which contain the following Information
a. sampling location;
b. date(s)/time(s)sample(s)taken;
c. sample type: composite(time,flow or hand) or grab
d. container type;
e. teflon liner and/or zero headspace,if applicable;
f. type of preservative used,if any;
g. sample 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&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-01
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 II,Section 30,of
this permit
4. The permittee complied with any remedial measures required under Part II,
Section 5,of this permit
IUP#=>CM-01
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,
uponpo the
e 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-01
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-01
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
g
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-01
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-01
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-01
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 revison 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, throughout the duration of the
permit. The plan shall include the following at a minimum:
1) identification of all chemicals,by name,quantity,and storage location which would
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 5% 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-01
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
at rates that maybe established in the future b
for the payment of high strength surcharges Y
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
g
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.
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-01
Page:16
Effective Date:July 1,2022

PART III
Special Conditions
Industrial User Pretreatment Permit (IUP)
7. Action Plan and Schedule
An 18 month permit will be issued, effective July 1,2022 to December 31,2023, subject to the
following time line and conditions:
5-6-22-Draft permit distributed for comments. This will contain your requested limits of
40,000 GPD flow and 85 pounds of BOD,plus other appropriate parameter limits and
conditions.
5-20-22 Permit submitted to NCDEQ for review.
7-1-22-Permit issued to Goulston to be effective 7-1-22 to 12-31-23. This 18 month initial
permit period will allow completion of the pretreatment upgrades, evaluations of actual flow
needs,pretreatment system performance,and balance of hydraulic to pollutant strength
capacity.
7-1-22—Detailed construction drawings submitted to the City for the basis of the
"Authorization to Construct"of the expanded pre-treatment system or sooner at the
discretion of the Permittee.
7-15-22—Comments returned to Goulston related to A to C drawings.
8-1-22—Goulston to submit updated A to C application with all supporting drawings and
figures,followed by issuance of A to C shortly thereafter.
4-15-23 (or sooner at the discretion of the Permittee)-New pre-treatment system on-line.
4-15-23 to 9-1-23—Evaluation of actual flow needs,pretreatment system performance,and
balance of hydraulic to pollutant strength capacity.
9-1-23- Goulston to submit permit renewal application considering operating data and
timing of phase 2 expansion.
11-15-23 -Permit renewal submitted to NCDEQ
1-1-24 New permit issued
IUP#=>CM-01
Page:17
Effective Date:July 1,2022

IUP Synopsis
A. IUP Basic Information
Receiving POTW name: POTW NPDES#:
City of Monroe NC0024333
IUP name: IUP Number:
Goulston Technologies, Inc. CM-01
IUP Effective date: Pipe Numbers,list all regulated pipes:
July 1,2022 02
IUP expiration date: IUP 40 CFR#,if applicable:
December 31,2023
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

n IUP Synopsis
Psis
Y
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 regul
ations. These limits do not res
ult in over allocations.
I'I
RATIONALE#3a:
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.
BOD, TSS, Ammonia, Cu, Cyanide, Zn
it
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 I 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
RATIONALE#5b:
Categorical Parameters with Waived Monitoring:
Monitoring is waived for the following categorical parameters (attach
documentation of waiver justification).
3

3-29_22 v_4(
•
Goulst&'i
Surface Modification Technologies
3/24/22
RECEIVED
MAY 2 3 2022
Kevin Keesler
Wastewater Pretreatment Coordinator QIDpDES
City of Monroe NCDE
Dear Kevin,
On 3/1/22,Goulston submitted an application for an updated Industrial User Permit(IUP)to discharge industrial
wastewater into the City of Monroe sewer system. Goulston has had a similar IUP for the past 30+years and the
current permit expires on 6/30/22. As we have discussed with the City over the past year,Goulston's
manufacturing expansion is expected to increase water usage and generate additional industrial wastewater
discharge to the sewer. As part of the expansion,Goulston is planning to install additional pretreatment capacity,
and this correspondence is intended to describe the planned pretreatment expansion.
Goulston researched many options for expansion of pretreatment capacity,and determined that a Membrane
Biological System (MBR)seemed capable of treating Goulston's industrial wastewater and meeting the IUP
requirements - with specific emphasis on BOD removal. Goulston leased a pilot plant MBR system from Dynatec
and performed treatability studies from September,2021 through March, 2022. This pilot program was performed
onsite at Goulston under the guidance of our wastewater consultants(Civil & Environmental Consultants(CEC)),
from Charlotte, NC. Sampling and performance testing data was performed by three parties - Goulston,CEC and
Pace Laboratories. The data from all three testing parties was compiled and reviewed daily under the guidance of
Goulston,CEC and Dynatec.
The results are very positive and indicate that a MBR system can be used to treat Goulston's industrial wastewater.
Based on these findings,Goulston proposes to install a 10,000 gal/day MBR system in 2022 to supplement
Goulston's existing distillation pretreatment systems and handle the expanded flows. The MBR system design
allows for future expansion if necessary. This correspondence supplies the following supporting documents:
- Project report and recommendations from CEC-including flow diagram&material balance for
the proposed system.
- Goulston flow plan-outlining current and future requirements
- Data summary from pilot study
- Equipment description from vendor
Kevin,thank you for your consideration,and please advise any questions as well as next steps required to gain
approval to proceed with procurement and construction.
Sincerely,
Bruce Robinson,
G.M.Operations e
geoi
700 N.Johnson St. I Monroe, NC 28110, USA
P.O. Box 5025 I Monroe, NC 28111-5025, USA
PHONE [phone] I FAX [phone] I www.goulston.com O

PRELIMINARY ENGINEERING REPORT
Prepared For:
GOULSTON TECHNOLOGIES, INC.
700 N JOHNSON ST, MONROE, NC 28110
s
Goulst&i
Surface Modification Technologies
Prepared By:
CIVIL & ENVIRONMENTAL CONSULTANTS, INC.
CHARLOTTE, NC
CEC Project 315-431
ooultiaurrrrr MARCH 2022
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March 24, 2022
NORTH CAROLINA BOARD OF EXAMINERS FOR
ENGINEERS AND SURVEYORS LICENSE NO. C-3035 � ,�, m;
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Civil & Environmental Consultants,Inc.
Charlotte 3701 Arco Corporal= Driv(:,Suite 400 I Charlotte.NC 28273 ` p:980.237-0373 f:9$0-237-0372. l wwvr.&ec Ink.com

TABLE OF CONTENTS
1.0 PROPOSED PROJECT DESCRIPTION 1
2.0 PILOT TEST EQUIPMENT DESCRIPTION 3
3.0 PILOT TEST PERFORMANCE 4
4.0 TREATABILITY OF THE WASTEWATER 5
5.0 PROPOSED FULL SCALE WASTEWATER TREATMENT SYSTEM 8
6.0 EQUIPMENT FAILURE OR SHUTDOWN 10
LIST OF TABLES
Table 1: Goulston Discharge Limits, Permit No. CM-01 2
Table 2: Goulston Proposed Pretreatment System Equipment List 9
LIST OF FIGURES
Figure 1: Pilot System Oxygen Uptake Rate 6
Figure 2: Effluent BOD with Trendline 7
APPENDICES
Appendix A - Full Scale Process Flow Diagram
Appendix B - Proposed Mass Balance
Appendix C - Discharge Plan
bi Frvirr+nni+>nr,al Consultants, Inc.
Goulston 315-431
March 2022

1.0 PROPOSED PROJECT DESCRIPTION
Goulston Technologies, Inc. operates a specialty chemical manufacturing facility located at 700 N
Johnson St, Monroe, NC. Goulston is a market leader in the chemicals sector and is the largest
dedicated supplier of formulated fiber lubricant products to the synthetic fiber manufacturing
industry. Goulston also developed expertise in other surface modification technologies. The
facility operates in SIC Code 2992 and NAICS Code 324191. Currently, the facility processes
approximately 10,000 to 20,000 per day (gpd) of wastewater that discharges to the City of
Monroe's wastewater collection system.
The site currently discharges to the sewer under a Significant Industrial Wastewater Discharge
Permit No. CM-01 to the City of Monroe Wastewater Treatment Plant (WWTP) under the city's
National Pollutant Discharge Elimination System (NPDES) number NC0024333. The discharge
permit is effective from July 1, 2019 to June 31, 2022. Under their discharge permit Goulston
discharges both domestic wastes (Discharge Pipe #01) and process wastewater (Pipe #02) that
includes process tank cleaning, non-contact cooling water, cooling tower blowdown, reverse
osmosis reject water,. The process wastewater has the following discharge limits for pipe #02 as
shown in Table 1.
C ivil & Environmental Consultant, Inc. -1-
Goulston 315-431
March 2022

Table 1: Goulston Discharge Limits, Permit No. CM-01
Parameter Discharge Limits
Daily Monthly Average
Flow 0.030 mgd
pH 6.0-11.0 s.u.
Daily Max Monthly Average
mg/L (lbs/day) (lbs/day)
Biochemical Oxygen Demand(BOD5) 65 lbs/day
Total Suspended Solids (TSS) 50 lbs/day
Copper 0.05 lbs/day
Zinc 0.07 lbs/day
Cyanide 0.06 lbs/day
Ammonia 4 lbs/day
The Goulston facility is compliant with effluent requirements, which translates the BOD
requirement of 65 pounds per day (lb/day) to a concentration limit of 260 milligrams per liter
(mg/L) at the flow of 0.03 million gallons per day(mgd). The existing process flow of 10,000 gpd
is treated in a distillation unit. The maximum capacity of the distillation unit is 15,000 gpd and
typically processes 10,000 gpd with a raw BOD concentration of approximately 30,000 mg/L. The
distillation unit discharges treated wastewater with BOD concentration of approximately 500
mg/L. Residual oils from the distillation unit are disposed off-site as a valuable product. The
remainder of the daily flows originate from Reverse Osmosis rejection, boiler and cooling tower
blowdown, and noncontact cooling water.
Goulston is planning a process upgrade that will increase the process wastewater from an existing
capacity of 15,000 gpd to 25,000 gpd. The existing distillation unit will not be capable of
processing the wastewater to a desired effluent concentration of 250 mg/L. Therefore, Goulston
evaluated technologies and selected a two-stage ultrafilter system to meet anticipated effluent limit
of approximately 250 mg/L BOD.
Civil 'mental Consultants, Inc. -2-
Goulston 315-431
March 2022

2.0 PILOT TEST EQUIPMENT DESCRIPTION
The pilot system at Goulston consists of a first stage ultrafilter system that produces a concentrated
discharge that will flow to the distillation unit. The Stage 1 ultrafilter consists of a recirculation
tank,ultrafilter,Clean in Place(CIP)and pumps in a self-contained skid. The permeate of the first
stage unit flows to a second stage biological treatment system consisting of a 2,500-gallon aeration
tank and an ultrafilter along with internal pumps and a CIP system that comprises the Membrane
Ultrafilter(MBR) skid system. The MBR Stage 2 treats the first stage effluent of 2,000 mg/L and
discharges an effluent of less than 250 mg/L. The distillate wastewater flow is also added to the
aeration tank. The equipment supplier, Dynatec, monitors both skids remotely.
Civil & Environmental Consultants. Inc.. -3-
Goulston 315-431
March 2022

3.0 PILOT TEST PERFORMANCE
The results of the several month pilot tests are shown in figures 1 and 2 for Oxygen Uptake Rate
(OUR) and effluent BOD, respectively. The pilot scale MBR was identified as being nutrient
deficient,as there is non-detect ammonia and a minimal concentration of available orthophosphate
in the raw wastewater. Diesel Exhaust Fluid (DEF) that contains 32% urea is used as a nitrogen
supply. Phosphoric acid acts as an available orthophosphate phosphorous source. The urea dosing
was varied to optimize performance and was, calibrated to 200-250 milliliter per day (ml/day).
This rate provided nitrogen without detectable ammonia in the effluent. The phosphoric acid feed
was in the range of 75 to 100 mL/day that resulted in an effluent of less than 0.5 mg/L of
phosphorous. Pilot MBR effluent unit was calibrated with various nutrient addition amounts, and
was controlled to a non-detect ammonia concentration, and a phosphorous discharge of less than
0.5 mg/L.
& Environmental Consulr.,nrs. Inc. -4-
Goulston 315-431
March 2022

4.0 TREATABILITY OF THE WASTEWATER
Goulston operated a pilot scale treatmentsystemduring the fall and winter of 2021 and 2022. The
system provided confirmation that process wastewater can be treated effectively to meet existing
and anticipated effluent limits.
The test period evaluated the incoming wastewater to Stage 1 from an equalization tank, Stage 1
effluent, MBR process parameters, and MBR effluent as shown in the following Figures 1 and 2.
Analytical tests were performed in-house for Total Organic Carbon (TOC) and OUR. Pace
Analytical analyzed mixed liquor suspended solids(MLSS)as TSS,TOC and BOD and Chemical
Oxygen Demand (COD) of both the Stage 1 effluent and the Stage 2 MBR effluent, as well as
temperature and pH. CEC analyzed Stage 1 and the MBR (Stage 2) for MLSS, mixed liquor
volatile suspended solids(MLVSS), ammonia,Total Kjeldahl Nitrogen(TKN), and phosphorous.
Caustic was also added to maintain a pH of approximately 7.5 S.U.
The operation of the two stages were conducted on-site by Goulston staff and monitored remotely
by the system supplier, Dynatec. The flow rate averaged 1 gpm with ranges from 0.5 to 1.5 gpm
for both the Stage 1 and Stage 2 units. The OUR in the MBR aeration ranged from 15 to over 50
mg/L/hour. A summary of the OUR data is shown below with a trendline, that indicates the
wastewater is easily degradable.The trendline shows that as the biomass became acclimated to the
wastewater,the activity of the biomass increased.
%ovirfnmentai Consultants. Inc. -5-
Goulston 315-431
March 2022

OUR, mg/L/hr
70
60 •
•
v
DSO • •
•
40 •
•
lS •
............ .
.. ..
zu •
.............. .. •
• • •
• • • • •
10 •
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n
61- ctiti ol> otiti ol•41' oti1 �ti.
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Figure 1: Pilot System Oxygen Uptake Rate
The MLVSS in the MBR aeration pilot unit increased over the test period from an initial startup
concentration of approximately 3,000 mg/L to over 8,000 mg/L, showing good biological growth.
The design operating condition is estimated to be 8,000 to 12,000 mg/L at a food to mass ratio
(F/M) of 0.15 to 0.20.
The MBR effluent data is shown below. Initially,the effluent BOD experienced a startup phase as
the MLSS started growth and acclimation period. Following acclimation,a very low effluent BOD
was observed. Several spikes were seen due to a variety of factors, including a washout of the
mixed liquor, a change in the DEF solution addition to minimize the effluent ammonia, a
mechanical issue with aeration,and other mechanical valving issues in the pilot plant arrangement.
On balance, the figure below shows that the wastewater is readily degradable. The full-scale
system will have the ability to equalize waste and a structured wasting program will control the
mixed liquor concentration. The system will have the ability to recycle if the effluent BOD is
anticipated to exceed 250 mg/L. When the TOC concentration of the effluent was consistently
below 400 mg/L, the effluent BOD was below 250 mg/L, often in the single digits. The effluent
BOD is shown in the figure below with a trendline showing the increasing acclimatization of the
biomass to the wastewater that resulted in a discharge meeting anticipated effluent limits. When
Civil & Erivii,,iin i ii .dl Consultants. Inc' -6- Goulston 315-431
March 2022

the Pace Analytical effluent BOD5 result showed non detect(ND), the summary chart substituted
2 mg/L.
Effluent BOD
L.1.000
• •
ROO
E
600 •
•
t.A4
400 • •
••• •
•
• •
200 •................................................ .......ip • s .........0.;...........1.11.4t •
• s
• ••40411491)11 41 •oo as lb Oh ibe *alb
9/11/2021 10/31/2.021 12/20/2021 2/8/2022 1/'41120
Date
Figure 2: Effluent BOD with Trendline
" Envit ,ifinental Cotroiltants, Inc
-7- Goulston 315-431
March 2022

5.0 PROPOSED FULL SCALE WASTEWATER TREATMENT SYSTEM
Goulston is proposing a full-scale treatment system that contains the following major equipment
to meet the anticipated discharge limits of permit CM-01 for Pipe#02. The WWTP is expected to
operate 24 hrs. /day and be manned by operational personnel from 6 A.M. to 5:00 P.M. The
proposed treatment system is designed for a flow of 10,000 gpd with expansion capability to
20,000 gpd
The proposed treatment system process flow will collect the wastewaters in a proposed series of
equalization tanks—20,000 gallons at the new Goulston manufacturing facility and 20,000 gallons
near the new MBR treatment system.The content will be mixed by installation of a proposed mixer
or pump recirculation system. The mixed wastewater then flows to the first stage ultrafilter system
to reduce solids. Organic content will be reduced in the second stage MBR. The reject will flow to
the existing distillation unit. The permeate from the first stage ultrafilter and the clear portion of
the distillate will flow to the second stage MBR. The concentrate from the distillation unit will be
sold as a product, as is the current practice. The MBR ultrafilter effluent will be either discharged
directly to the sewer,or collected in a transfer tank to be discharged to the sewer.Based on frequent
TOC tests,the MBR effluent will be returned to the MBR treatment unit for reprocessing confirm
that the effluent will be below 250 mg/L
The captured solids will then be dewatered with a dewatering device, such as a screw press that
compresses the solids, or existing thin film evaporator, removing water and collecting the
dewatered sludge in a hopper until off-site disposal. The Process Flow Diagram for the full-scale
system, incorporating the equipment shown in Table 2, is in Appendix A. The proposed mass
balance for the full-scale system is shown in Appendix B. The existing and anticipated process
equipment for the proposed treatment system is shown in Table 2 below:
Civil bi: C Consultants, Inc.
-8-
Goulston 315-431
March 2022

Table 2: Goulston Proposed Pretreatment System Equipment List
Equipment Process
Proposed EQ Tank Store and equalize facility generated industrial wastewater
Mixing System for EQ Tank Mix the contents of the EQ tank
EQ Transfer Pumps Transfer stored wastewater to stage 1 ultrafilter
Stage 1 Ultrafilter Removes particulates and 90%of organics
Existing Distillation Unit Separates soluble oils for recovery, clear distillate flows to MBR
MBR Biological treatment of Stage 1 soluble organics and ultrafilter to
remove residual solids and soluble organics to<250 mg/L
Chemical Feed System Nutrient addition for ammonia and phosphoric acid
Ultrafilter Clean in Place Chemically cleaning ultrafilters of each stage (separate CIP for
each)
Solids Dewatering Remove residual water and concentrate solids for off-site disposal
Effluent Transfer Tanks Transfers effluent from the MBR to an effluent tank to the sewer,
allows recycle of MBR effluent if TOC indicates excess organics
Sludge Hopper Collects sludge generated from dewatering prior to off-site
disposal
Civil & Environmental Consultants, Inc. -9- Goulston 315-431
March 2022

6.0 EQUIPMENT FAILURE OR SHUTDOWN
A scheduled shutdown or unforeseen failure in any major piece of treatment equipment is not
expected to have any long-term effect on the proposed treatment system. The EQ tank will have
1.5 days or more of storage with average wastewater flows. If the storage is not sufficient to
correct any equipment failures or meet the shutdown, it is expected that the site will haul-off the
wastewater.
Civil & Environmental Consultants. Inc. -10-
Goulston 315-431
March 2022

APPENDIX A
FULL SCALE PROCESS FLOW DIAGRAM
civil & Environmental Consultants. Inc.

Goulston WW Pretreatment Planning Chart
3/12/2022
BR
Key IUP Discharge Parameters-current permit
Total daily discharge to sewer-gallons
BOD-design for 250 ppm ave discharge
BOD limit=65 lbs/day
1.Capacity/Permit
2022-March 2023-January 2024 or later-timing TBD
Pretreatment=Distillation only Pretreatment=Distillation plus Pretreatment=Distillation plus
MBR biological/membrane system MBR biological/membrane system
Flow Capacity BOD BOD Flow Capacity BOD BOD Flow Capacity BOD BOD
System/Source GPD ppm lbs/day GPD ppm lbs/day GPD ppm lbs/day
Distillation 15,000 500 62.5 15,000 500 62.5 15,000 500 62.5
MBR 0 n/a 0 10,000 250 20.84 20,000 250 41.69
RO system 10,000 0 0 10,000 0 0 10,000 0 0
Other 5,000 0 0 5,000 0 0 5,000 0 0
(CT Blowdown,
Boiler Blowdown
NCCW)
Totals 30,000 250 62.5 40,000 250 83.34 50,000 250 104.19
MBR Sizing/planning MBR Sizing/planning
Current Distillation System Scenarios Scenarios
2%organics raw WW Currently processing 10,000 gpd at 2%organics from Quantum 20,000 gpd at 2%organics from Quantum
10,000 gpd at 2%organics Phase 1 UF system Phase 1 UF system
Concentrates from 2%to 6% Concentrates from 2%to 6%
1 produces 200 gpd at 100% 6667 gpd phase 1 permeate to MBR 13,334 gpd phase 1 permeate to MBR
3333 gpd phase 1 concentrate back to distillation(6%) 6,667 gpd phase 1 concentrate back to distillation(6%)

CITY WATER
PHASE I PHASE II
MEMBRANE _ MEMBRANE
CLEANING CLEANING
STS1LM braltM ,x
O BYPASS - t
MAKE—UP WATER MAKE-UP
•
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•
NEW PLANT . EQUALIZATION O EQUAIZATION © O PHASE I O O EQUALIZATION t0 PHASE II M 11
WASTEWATER _y. TANK No. 1 TANK No. 2 PRETREATMENT TANK No. 3 MBR SYSTE PERMEATE CITY SEWER
OF MEMBRANE
—..- ^ 14 n 1 s <ii>WASTE
SLUDGE
SLUDGE DEWATERED SLUDGE
3 © BYPASS FILTRATE DEWATERING DISPOSAL
SYSTEM
g CONCENTRATE %
1 21
DISTILLATE z1 za —� TO SEWER '
S EXISTING EXISTING
PLANT 0 00 DISTILLATION
WASTEWATER SYSTEM
RECOVERED OILS z3 OFF—SITE
DISPOSAL
S
3 NON—CONTACT COOUNG WATER /\ TO SEWER
gRO SYSTEM
S
5.
tEr GOULSTON
GOULSTON TECHNOLOGIES
Civil&Environmental Consultants,Ina. 700 NORTH JOHNSON STREET
MONROE,NORTH CAROLINA 28110
3701 Arco Corporate Drive•Suite 400•Charlotte,NC 28273
,^� Ph:900.237.0373•Fax:[phone] BLOCK FLOW DIAGRAM
d'd www.ceanc.00ra
DRAWN BY: JKS CHECKED BY: DRAFT APPROVED BY: DRAFT FIGURE NO.:
DATE: DECEMBER 2021 DWG SCALE: NTS PROJECT NO: 315-431

APPENDIX B
PROPOSED MASS BALANCE
vii & Environmental Consultants, Inc..

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APPENDIX C
DISCHARGE PLAN
Civil & Environmental Consultants, Inc.

3%organics raw WW 10,000 gpd at 3%organics from Quantum 20,000 gpd at 3%organics from Quantum
Phase 1 UF system Phase 1 UF system
Concentrates from 3%to 6% Concentrates from 3%to 6%
5,000 gpd phase 1 permeate to MBR 10,000 gpd phase 1 permeate to MBR
5,000 gpd phase 1 concentrate back to distillation(6%) 10,000 gpd phase 1 concentrate back to distillation(6%)

PROPOSAL 221005D
For
Goulston Technologies
Date: 12 March 2022
Proposal by: Tom Doherty f ', _ _, ,
, ,

12 March 2022 Proposal 221005D Page 1
PROPRIETARY AND CONFIDENTIAL
This document contains proprietary and confidential information that is the property of Dynatec
Systems, Inc. This document is provided to the receiving party on the understanding that the receiving
party:
• Acknowledges and accepts the proprietary nature of the information contained herein.
• Agrees that it will not directly or indirectly disclose the information contained herein to a third
party.
• Agrees to limit the exposure of the information contained herein to as few people as possible,
and only to those personnel and others who are directly involved in the project.
If these conditions are not acceptable to the receiving party, all copies of the document are to be
immediately returned to Dynatec Systems, Inc. and any electronic copies are to be purged.
TIME LIMIT
This proposal is valid for a period of thirty(30)days from the date of the proposal.
INTRODUCTION
The project proposal is for the design and supply of a wastewater treatment system for the Goulston
Technologies plant in Monroe, NC. The proposed system is designed to process the ten thousand
gallons per day of wastewater which includes 1000 gpd of distillate. The proposed system includes the
necessary major system components along with the associated engineering.
Dynatec has more than forty-three (43) years of experience in the application of membrane systems.
During this time, the company has provided all categories of membrane systems, including
Microfiltration (MF), Ultrafiltration (UF), Nanofiltration (NF)and Reverse Osmosis(RO)systems.
We approach the MBR projects as an end user, searching for the most reliable, cost effective and
safest systems to operate. Dynatec is able to supply membrane products from a wide range of
suppliers, and therefore can always select the best membrane for any particular application.
Dynatec provides a number of membrane configurations for MBR applications. The decision as to
which configuration to supply for any particular project is based on the job-specific requirements, and
the wastewater composition.
All Dynatec products offered for use in MBR applications use the external tubular UF membrane
configuration. These products have proven through 45 years of experience to be more rugged, longer
lasting and easier to control than alternative products. In addition, external modules make them safer to
control, operate and maintain.
The MBR process uses the same robust tubular membranes that have been used in cross-flow
applications for many years.The advantages of using an external tubular membrane configuration are:
• Long membrane life
• Ease of operation
• Consistent high quality permeate
• Simple operational control
• No requirements for annual draining of the membrane chamber
• Easy to troubleshoot alarm modes
• Enhanced operator safety
• Low maintenance requirements
External tubular membranes do not move in process. High velocity liquid scours the boundary layer
from the membrane.The MBR is provided with a skid-mounted clean-in-place (CIP)system, which is
used to clean the system in a matter of a few hours.
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12 March 2022 Proposal 221005D Page 2
The MBR membrane arrangement does not expose the operator to off-gases and does not required
annual draining of the membrane chamber for a visual inspection.
The infrequent replacement of membranes modules is a simple process, not requiring confined-space
entry. Connections at each end of the membrane modules allow the old modules to be removed and
the new modules place into service easily, using the same fittings.
The proposed wastewater treatment system is based on using a tubular ultrafiltration membrane
process that has been successfully used in this application by Dynatec for almost twenty years. The
Ultrafilter membrane provides a consistent, high quality effluent without the addition of chemicals or
constant operator attention. The filter provides a positive barrier the effectively separates the oils and
other solids from the discharge ensuring the project discharge limits are consistently met.
The benefits of the treatment system are:
• Automatic Operation
• Consistent Effluent Quality
• Low Operator Cost
• Low Chemical Cost
• Minimal Disposal Cost
• Remote Monitoring Capability
DESIGN BASIS
The following details the design basis of the equipment proposed:
Wastewater Source
Wastewater that is generated during the manufacturing of chemicals
Pre-Treatment
Prior to influent being delivered to the MBR process, the following pre-treatment shall have been
carried out where necessary:
• Removal of large solids
• Wastewater collection and equalization
• Wastewater transfer
Additional Criteria
The design of the MBR system is based on the influent wastewater satisfying the following additional
criteria:
• The wastewater must not contain contaminants that may be toxic to the process, or inhibit the
removal of BOD and/or COD and/or nitrogen compounds (i.e. toxic, intractable or recalcitrant
substances).
• The wastewater must not contain contaminants that are damaging to, or will cause blinding of,
the membrane system. Any chemicals used in the wastewater feed should be submitted to
Dynatec for review and approval. Any chemicals proposed for future use should also be
reviewed by Dynatec prior to use.
• The wastewater must contain sufficient trace nutrients required to support the biology during
the treatment of the organic contaminants
• The MBR system design is based on the temperature noted in the Influent Specifications.
Lower temperatures will have an inhibitory effect on the biological process, and will affect the
membrane system performance. Temperatures higher than the specified range will cause
changes to the biomass that may adversely affect the process.
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12 March 2022 Proposal 221005D Page 3
I
Design Influent to WWTP Wastewater Characteristics
The following table provides the data used in the proposed system design:
Influent to Phase 1 Value Unit Value Unit
Pretreatment
Design Flow 10,000 gpd 6.9 gpm
Influent Temp 25 C 77.0 F
BOD 22,000 mg/I
O&G 1,845 mg/L
TKN 38 mg/L
TSS Unknown mg/L
Total Phosphorus Unknown mg/L
Influent Alkalinity Unknown mg/L
pH 8 SU
Table 1:Influent Water Quality Specification
Wastewater Characteristics After Phase 1 Ultrafiltration + Distillate
The following table provides the data used from Pilot work for the proposed system design:
UF Permeate Value Unit Value Unit
Design Flow 9,500 gpd 6.6 gpm
Temp 30 C 86 F
BOD 1,250 mg/I
O&G <10 mg/L
TKN 35 mg/L
TSS <1 mg/L
Total Phosphorus Unknown mg/L
Influent A kalinity Unknown mg/L
pH 8 SU
Table 2:Pretreatment Phase 1 UF Permeate Estimated Quality
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12 March 2022 Proposal 221005D Page 4
Treated Water Quality After MBR Treatment
The following table provides details of the anticipated water quality after MBR treatment:
' MBR OF Permeate Value Unit Value Unit
Design Flow 9,250 gpd 6.4 gpm
BOD <30 mg/I
O&G <3 mg/L
TKN <10 mg/L
TSS <1 mg/L
Total Phosphorus <1 mg/L
pH 7.5 SU
Table 3:Effluent Wafer Quality
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12 March 2022 Proposal 221005D Pane 5
EQUIPMENT SCOPE OF SUPPLY
The following equipment is proposed for the treatment system:
Phase 1 Pretreatment Ultrafilter
Qty Description Capacity Unit Type Dimensions, Installed BHP @ Notes
L x W x H HP design
1 Ultrafiltration System 264 ft2 Tubular Ultrafiltration 13'x4'x9' 30 27 Membrane Skid supplied as a
unit.
1 Process Tank 1,500 gals Cone bottom 64"x 138" Drop shipped
1 Tank fittings PVC Supplied loose for field
installation by others
1 Level Transmitter 0-15 feet Ultrasonic Supplied loose for field
installation
1 pH sensor 0-14 SU Mounted with UF
1 pH transmitter 4-20 ma Mounted with UF
1 Concentrate Pump 1.5 inch Air diaphragm Supplied loose for field
installation
2 Chemical Feed Pump, 0.5 inch Diaphragm Mounted on rack
cleaning
Oxic(Aerobic)Reactor
Qty Description Capacity Unit Type Material Dimensions Notes
1 Aerobic Reactor 7,000 gal Bolted Flat bottom,SS HDPE 142"x 127" Drop shipped
roof and SS floor
1 Level Transmitter 0-15 ft Hydrostatic SS Supplied loose for field installation
1 Dissolved Oxygen 0-20 mg/L Immersion,luminescent Supplied loose for field installation
Sensor
1 Dissolved Oxygen 4-20 mA Supplied loose for field installation
Transmitter
Aeration
Qty Description Capacity Unit Type Operating Material Installed BHP @ Notes
pressure,psi HP design
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12 March 2022 Proposal 221005D Page 6
2 Blowers 125 scfm Positive Displacement 4 CI 5 3.5 Supplied loose for field
installation
Supplied loose for field
12 Air diffusion 0-15 Fine bubble 4 EPDM installation
MBR Phase 2 Ultrafilter
Dimensions, Installed BHP @
Qty Description Capacity Unit Type L x W x H HP design Notes
1 Ultrafiltration System 276 ft2 Tubular Ultrafiltration 13'x4'x8' 30 27 Membrane Skid supplied as a
unit.
1 Auto Strainer 6 inch Basket 0.25 0.22 Supplied loose for field
installation
1 pH sensor 0-14 SU Mounted with UF
1 pH transmitter 4-20 ma Mounted with UF
1 Chemical Feed Pump, 0.5 inch Mounted on rack
cleaning
Chemical Feeds
Qty Description Capacity Unit Description Material HP Notes
Chemical Feed
2 0—2 gph Diaphragm Teflon diaphragm 0.1 Supplied loose for field installation
Pump,reagent
Chemical Feed
1 Pump,nutrient 0-0.45 gph Diaphragm Teflon diaphragm 0.1 Supplied loose for field installation
Control
Qty Description Description Material Notes
1 Control Panel(MCP) NEMA 4X Steel Mounted on UF
1 Motor Control(MCC) NEMA 12 Steel
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12 March 2022 Proposal 221005D Page 7
DETAILED SCOPE OF SUPPLY:
Equalization Storage and Wastewater Transfer (by others)
Equalization volume is provided allow for equalized flow and load to reach the treatment system in a
controlled, consistent manner. Wastewater will be transferred to the Phase 1 UF process tank in
response to the level transmitter in the UF Process Tank.
Pretreatment Phase 1 UF Process Tank
The tank is a one thousand five hundred (1,500)gallons cone bottom HDPE tank. A level transmitter is
included in the tank to monitor the tank level, control wastewater transfer and provide alarms for high
level.
The system pH will be controlled. Reagent will be added using diaphragm type chemical feed pump.
UF Phase 1 Pretreatment Membrane System
One membrane system containing wide channel tubular membranes, 1" diameter by three meter long
each one containing 2.2 square feet of membrane area. The unit has 120 modules installed. Permeate
is discharged to the Bioreactor.
Permeate is discharged to a small collection tank for transfer to the
bioreactor. The pumps that service the tank are set up with an
automatic 3-way valve installed which will automatically return
permeate to the process (feed) tank when there is a low influent >"'
flow volume. This is done in order to prevent the system from
shutting down "dirty" and allowing the waste fluid to sit in the `.,.
membranes.
Valves 3" and larger will be Butterfly valves. Valves 2" and smaller
will be true union ball valves.
The membrane rack is constructed of carbon steel with a galvanized coating.
UF Circulation Pump
Mill duty stainless steel circulation pump is manufactured by Sulzer Pumps.
The circulation pump is designed in order to provide the correct velocity and
pressure within the membrane tube in order to maximize permeate reduction „.`
and minimize fouling potential. The pump is provided with a dynamic seal ,
configuration to provide long seal life. ow,
Aerobic Bioreactor
The bioreactor is a seven thousand (7,000) gallons HDPE tank. A level transmitter is included in the
tank to monitor the tank level, control wastewater transfer and provide alarms for high level.
The dissolved oxygen (DO) level at the tank is monitored and controlled.
The system pH will be controlled. Reagent will be added using diaphragm type chemical feed pump.
Aeration System
Two (2) positive displacement blowers provide air to the
Bioreactor. Each blower provides 125 scfm air, with one 1
•
•
DYNATEC SYSTEMS,INC.•360 Connecticut Drive.•Burlington•NJ•USA•Voice•609-387-0330 corn
rt
f

12 March 2022 Proposal 221005D Page 8
operating at any one time and the other acting as a backup. Blower speed is controlled using a VFD
based on the DO reading within the bioreactor. Air is distributed within the tank using fine bubble
diffusers.
MBR Phase 2 UF Membrane System
One membrane system containing wide channel tubular membranes, 4" diameter by three meter long
each one containing 69 square feet of membrane area. Each membrane housing contains 8-millimeter
diameter membrane tubes. The unit has four(4)modules installed and is expandable to six modules.
A permeate recycle valve is installed which will automatically return
permeate to the process (feed) tank when there is a low influent
flow volume. This is done in order to prevent the system from
shutting down "dirty" and allowing the waste fluid to sit in the
membranes.
Valves 3" and larger will be Butterfly valves. Valves 2" and smaller
will be true union ball valves.
The membrane rack is constructed of carbon steel with a
galvanized coating.
Phase 2 UF Circulation Pump
Mill duty stainless steel circulation pump is manufactured by Sulzer Pumps.
The circulation pumps are designed in order to provide the correct velocity 'N
and pressure within the membrane tube in order to maximize permeate »E,
reduction and minimize fouling potential. The pump is provided with a
dynamic seal configuration to provide long seal life. "
ow
System Controls
Process control and alarm notification is provided
through a pre-programmed PLC based control system,
fully factory pre-wired and installed in NEMA 4X panel.
The HMI allows the operator to control and monitor the •
complete system operation through operator inputs •
within pre-set limits. All functions are controlled via the1.1 I
processor, which receives data from the system
instrumentation. Diagnostic functions are also included, w"' ,) it a
as well as the automatic membrane cleaning sequence,
if supplied. The control panel houses: al }.
PROCESS CONTROL&ALARM NOTIFICATION
A pre-programmed PLC (Programmable Logic
Controller) based control system will control all functions
of the system. Optionally, the PLC is capable of allowing
remote monitoring through an owner supplied telephone
line or Ethernet connection. All process functions are controlled via the processor, which receives data
from the system instrumentation. The processor controls the system based on preset treatment
strategy. Many functions are field adjustable to meet changing conditions. Diagnostic functions are also
included, as well as the membrane sequence function, and the automated cleaning functions. The
control panel will house:
1. AB PLC
2. Input and output racks
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12 March 2022 Proposal 221005D Pacae 9
3. Discrete and digital I/O's
4. Uninterrupted power supply(UPS)
5. C-more HMI
6. Outputs for remote monitoring
Motor Control
A separate NEMA 12 rated enclosure, suitable for indoor installation is provided to house all motor
starters, soft starts,variable frequency drives, power transformers, etc.
ENGINEERING:
Dynatec provides the engineering required to provide an integrated operating system, with each of the
supplied components operating as required within the overall context of the system operation. Please
note that drawings are provided in standard Dynatec format (details upon request). If formats other
than this are required, an extra charge may be applied.
Submittal Information will be provided electronically:
• System and Unit Process and Instrumentation Diagrams
• Tanks General Arrangement Drawings including component connection locations
• Membrane Systems General Arrangement Drawings
• Single Line Electrical Drawing
• Manufacturer supplied information sheets for major system components
EQUIPMENT COMMISSIONING AND STARTUP
Commissioning
Dynatec can provide the services of a field engineer at the job site for equipment commissioning and
testing.The testing consists of filling tanks with clean water, and testing the system for leaks, as well as
ensuring correct operation of pumps, blowers, instrumentation, and controls, etc. The work is to be
carried out by the customer, supervised by Dynatec. Any field piping leaks are to be corrected by the
installing contractor prior to startup. After these procedures have been carried out to the satisfaction of
the Dynatec representative, the equipment can be started.
Process Startup
Goulston will then carry out the startup procedures, supervision can be provided by a Dynatec field
engineer. This proposal assumes that a suitable biomass will be available, be acclimated, and be
suitable for the MBR. We do not recommend the use of a biomass from a conventional biological
treatment system, unless this has been screened to 250 microns and has been evaluated by Dynatec
as being suitable for the application. Optionally, Dynatec can provide a bacteria source for initial
seeding of the reactor.
Operator Training
Dynatec assumes that suitable operators will be made available for training. The minimum
recommended qualifications for operators are that they are familiar with operations of biological
treatment system and are capable of making informed decisions on the operation of a biological
treatment system.
Dynatec can provide The services of an engineer for training. The training will be a mixture of hand-on
training on the equipment and classroom time. As part of the training, Dynatec will provide a set of
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12 March 2022 Proposal 221005D Page 10
drawings that will include Process and Instrumentation Drawings (P&ID's) as well as electrical
drawings. These will be provided electronically.
Technical Service
Dynatec has not included time for commissioning, startup and training. Time will be charged at the
daily rates shown in the Pricing section of the proposal.
UTILITIES
The following utilities are required for correct operation of the system, unless specifically provided for
elsewhere in the proposal:
1. Three-phase continuous power supply, 460/3/60 100 A
2. Supply of soft(less than 3 gr/gallon)clean water for membrane system cleaning
3. Dry compressed air, 10 cfm at 80 psi
SCOPE OF SUPPLY BY OTHERS
The following are specifically excluded from Dynatec's Scope of Supply, unless specifically included in
other sections of this proposal:
Interconnection of the Proposed Equipment Exclusions
1. Delivery of wastewater to Pretreatment OF process Feed Tank
2. Installation of the proposed system
3. Utility services of power, compressed air and water
4. Delivery of purified water to point of discharge
5. Equipment shelter
Miscellaneous Exclusions
1. Technical service time and expense
2. Freight from point of manufacturer to project site
3. Lubricants for normal equipment maintenance
4. Process chemicals
5. Cleaning chemicals
6. Spare Parts: a list of recommended spare parts is available from Dynatec upon request
7. Analytical equipment required for either compliance or system maintenance requirements
8. Any and all compliance permits that may be required
9. Any taxes or bonding.
10. Any items not specifically included in this proposal
OPERATION AND MAINTENANCE REQUIREMENTS
1. The operation of the membrane system is automatic. Routine monitoring and testing is required,
along with normal maintenance of the equipment. The operating personnel will also periodically
initiate the system cleaning that will be required.
2. An Operations and Maintenance Manual will be provided electronically, which includes the details
necessary for startup and operation of the system and a set of electrical and P&ID drawings.
3. There are periodic PM requirements for the installed equipment. This information is generally
available in the supplied manufacturer's literature. If in any doubt about the requirements, please
consult Dynatec in writing with specific requests.
DYNATEC SYSTEMS,INC.•360 Connecticut Drive.■Burlington•NJ•USA•Voice•609-387-0330•Fax•609-239-2061•web•www.dynatecsystems.00m

Goulston WW Pretreatment Planning Chart
3/12/2022
BR
Key IUP Discharge Parameters-current permit
Total daily discharge to sewer-gallons
BOD-design for 250 ppm ave discharge
BOD limit=65 lbs/day
1.Capacity/Permit
2022-March 2023-January 2024 or later-timing TBD
Pretreatment=Distillation only Pretreatment=Distillation plus Pretreatment=Distillation plus
MBR biological/membrane system MBR biological/membrane system
Flow Capacity BOD I BOD Flow Capacity BOD BOD Flow Capacity BOD BOD
System/Source GPD ppm lbs/day GPD ppm lbs/day GPD ppm lbs/day
Distillation 15,000 500 62.5 15,000 500 62.5 15,000 500 62.5
MBR 0 n/a 0 10,000 250 20.84 20,000 250 41.69
RO system 10,000 0 0 10,000 0 0 10,000 0 0
Other 5,000 0 0 5,000 0 0 5,000 0 0
(CT Blowdown,
Boiler Blowdown
NCCW)
Totals 30,000 250 62.5 40,000 250 83.34 50,000 250 104.19
MBR Sizing/planning MBR Sizing/planning
Current Distillation System Scenarios Scenarios
2%organics raw WW Currently processing 10,000 gpd at 2%organics from Quantum 20,000 gpd at 2%organics from Quantum
10,000 gpd at 2%organics Phase 1 OF system Phase 1 OF system
Concentrates from 2%to 6% Concentrates from 2%to 6%
produces 200 gpd at 100% 6667 gpd phase 1 permeate to MBR 13,334 gpd phase 1 permeate to MBR
3333 gpd phase 1 concentrate back to distillation(6%) 6,667 gpd phase 1 concentrate back to distillation(6%)

3%organics raw WW 10,000 gpd at 3%organics from Quantum 20,000 gpd at 3%organics from Quantum
Phase 1 UF system Phase 1 UF system
Concentrates from 3%to 6% Concentrates from 3%to 6%
5,000 gpd phase 1 permeate to MBR 10,000 gpd phase 1 permeate to MBR
5,000 gpd phase 1 concentrate back to distillation(6%) 10,000 gpd phase 1 concentrate back to distillation(6%)

UF / MBR Process Flow Diagram
• ,_,,,
Influent
111
,-, Process
Tank
Permeate
,
Permeate
MBR Pei rneate
•
"-...,.
, I
Bioreactor
Tank
_..,
Return Activated
Sludge
r
0•
Surface Modification Technologies 0

MBR Pilot Trials
• Pilot trials began in September '21. Time was required to de-bug system
and build sufficient bio-mass. Two months were required to achieve
successful bioactivity
• Pilot unit runs at -1 gallon/minute or 1,400 gallons/day as expected.
Proposed installation is 10,000 gpd with possible expansion
>• Proposed full scale design maximum is 20,000 gallons/day.
• Daily samples were taken and analyzed by an independent lab to
determine BOD. Below are averaged results for last five months:
o Nov. '21 - 26 ppm BOD
o Dec. '21 - 75 ppm BOD
o Jan. '22 - 75 ppm BOD
o Feb. '22 - 62 ppm BOD
o March '22 - 74 ppm BOD
do•op:
i•
Surface Modification Technologies

n
ouso
Surface Modification Technologies
RECEIVED
March 2, 2022 MAY 2 3 2022
Kevin Kessler NCDEQIDWRINPDES
Pretreatment Coordinator
City of Monroe
PO Box 69
Monroe, NC 28111-0069
Dear Kevin,
We are requesting an update to our IUP for extra capacity for our expansion. Please find
enclosed Goulston's completed Industrial User Wastewater Survey and Permit Application.
Should you have any questions or require additional information, please do not hesitate to
contact me.
Regards,
Veronica McKinney
Senior Human Resources Manager
Enclosures
700 N.Johnson St. I Monroe, NC 28110, USA
P.O. Box 5025 I Monroe, NC 28111-5025, USA
PHONE [phone] I FAX [phone] I www.goulston.com

GOULSTON TECHNOLOGIES, INC.
NORTH SIDE OF BEARSKIN CREEK
SEWER CONNECTIONS
0
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> CITY SEWER

GOULSTON TECHNOLOGIES, INC.
SOUTH SIDE OF BEARSKIN CREEK
SEWER CONNECTIONS DIAGRAM
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(e C(ci 3- 1-22, wit,
COVER PAGE
Company Name:Goulston Technologies,Inc.
Name of responsible person on site at the facility authorized to represent the Name of altemative 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
Fred Edwards management..Veronica McKinney
Title President/COO Years with firm 32 Title Human Resources Manager Years with firm 22
Phone#[phone] Fax# Phone#[phone] Fax#[phone]
Physical street address of facility Official mailing address,if different. Note if same.
700 N.Johnson Street Same
City Monroe State NC Zip 28110 City State Zip
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 submitting false
information, including the possibility of fine and/or imprisonment for knowing violations.
1
Signature of Authorized Repr- .entative Date
listed above (seal if appli 4.le)
Title: IU Wastewater Survey & Permit Application
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Revision date: 12/30/97 Page

1. Provide a brief narrative description of the type of business, manufacturing
processes, or service activities your firm conducts at this site.
Goulston Technologies, Inc. specializes in the blending of textile lubricants used in the processing of
natural and man-made fibers including isolated synthesis of product components. The specific properties of
these products aid in the down stream processing of the textile fibers.
2. List the primary products produced at this facility:
• Anti-soiling finishes
• Spin finishes
• Anti-static agents
• Lubricating agents
3. List raw materials and process additives used:
• Ethoxylated esters, alcohols and phosphates
• Fatty acid esters
• Synthetic, natural and mineral oils
• Anionic, cationic, and nonionic surfactants
• Organomodified Polysiloxanes
added to anywater discharged to the POTW,
4. Are biocides g
if yes describe:
Trace amounts of biocides are added to our cooling towers. Yes X
No
5. Describe weekly production schedule, including shifts worked per day,
employees per shift, and primary operation during shift.
Two shifts (morning and afternoon) work eight hours/day for five days a week. There are approximately
120 employees who work the morning shift to cover manufacturing, shipping, receiving, testing,
researching, and services used to cover normal business operations.
Eight employees work the afternoon shift to package and test products for shipment.
6. Production process is: Check, if all continuous
Check, if all batch X
If both please enter, % continuous = % % Batch=
Title: IU Wastewater Survey & Permit Application
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Revision date: 12/30/97 Page 2 of 20

7. Does production vary significantly (+- 20 %)by season. Describe.
Yes
No x
8. Are any significant (+- 20 %) changes in production that will affect wastewater
discharge expected in the next 5 years. If yes, please describe.
Goulston is an international company with headquarters Yes x
located here in Monroe. Business is expected to increase.
No
9. List all current waste haulers. Give name, address, phone numbers, volume and
materials hauled off
GeoCycle- Holly Hill, SC 803-496-1475
5,000-10,000 gallons/month of bulk or container waste oils
HOH Corporation- Winston Salem,NC 336-727-4644
5,000-10,000 gallons/month of bulk or container waste oils
Environmental Recycling Alternatives- [phone]
Banner Elk,NC 28604-9196
5,000-10,000 gallons/month of bulk or container waste oils
Shamrock Env
3500 Lake Herman Dr.
Browns Summit,NC 27214
5,000 gallons/month of wastewater
Greenway Env
Speedrail Ct
Concord,NC
5,000 gallons/month of wastewater or waste oil
Univar USA Inc.
2001 Continental Blvd
Charlotte,NC 28273 704-588-8050
—8,500 lbs/year of hazardous waste (spent lab solvents and obsolete/expired raw materials)
Title: IU Wastewater Survey & Permit Application
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Revision date: 12/30/97

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.
Requested information is attached.
11. Attach sketch or schematic showing sampling points and all connections to the sewer.
Requested information is attached.
12. Complete the Wastewater Pollutants Checklist attached to this Survey.
Title: IU Wastewater Survey & Permit Application
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Revision date: 12/30/97 Page

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 X
Yes
Stormwater,NCG060000, 07/21/21, Goulston Technologies, Inc.
If yes: Permit,#,date,applicant name No
Non-Contact Cooling Water,NCG500000, 12/1/20, Goulston Technologies,Inc.
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 X
Yes
Wastewater,CM-01, 7/1/19, Goulston Technologies,Inc.
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 X
Yes
Hazardous Waste,NCD001047786, Goulston Technologies, Inc.
If yes: Permit type,#,date,applicant name No
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
Title: IU Wastewater Survey & Permit Application
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of 20
Revision date: 12/30/97 Page

18. Do an you have underground storage tanks at your facility? If yes, list
Y uner g
contents and volume of each tank.
Underground storage tank was closed in place in July of 1997 Yes
No
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
No
• Manufacturing and warehouse buildings serve as containment for all inside storage
tanks. Internal floor drains are directed to the wastewater treatment facility on site.
• Our site has containment walls around the perimeter of the property to contain spills
from outside activities.
• Outside tank farms have dikes and containment.
Title: IU Wastewater Survey & Permit Application
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PART II, Water Supply, Use, & Disposal Worksheet:
Water Used for: Water Avg. Max. M Est Disposal Avg. Max. M E
gal/day gal/day e im Method(s) gal/day gal/day e It
Source(s) a atea
s d s m
u u at
re re e
d d d
(see Source List below) (see Disposal List below)
1. Process water
2. Washdown water 1 30,000 45,000 X 1 30,000 45,000
3. Water into product 1 20,000 40,000 X 10 20,000 40,000
4. Air Quality Permitted units
5. Domestic -toilets, drinking, cafe 1 1500 2000 X 2 1500 2000
6. Cooling water, Process NON-Contact 1,2 50,000 100,000 X 2,4 50,000 100,000
7. Boiler/Cooling tower blowdown 1 3,000 4,000 X 1,2,4 3,000 4,000
8. Cooling water, HVAC
9. Other: Reverse Osmosis 1 10,000 15,000 X 2 10,000 15,000
Totals => 114,500 206,000 Totals => 114,500 206,000
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
8. Septic Tank
9. Waste Haulers(identify)
10. Water into Product
11. Include others, if applicable
Title: IU Wastewater Survey & Permit Application
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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 =>
1. Flow equalization Aerated equalization=>
NON-Aerated equalization=>
Total volume of equalization (million gal.) _>
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 X 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 X No
17. Other Biological Treatment Yes No
18. Ozonation Yes No
19. Reverse Osmosis Yes No
20. Screening Yes No
21. Sedimentation Yes No
22. Septic Tank Yes No
23. Silver Recovery Yes No
24. Solvent Separation Yes No
25. Spill protection Yes X No
List any others. Distillation Yes X Distillation of wastewater to
concentrated solids
Non-Aerated Equalization Yes X Wastewater is discharged into an
outside container before being
metered and discharged to the city.
Title: IU Wastewater Survey & Permit Application
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PAR
T IV CATEGORICAL INFORMATION:
1. When were operations started at this facility Facility start up date 1969
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.
2899
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=>
No X
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
No X
Title: IU Wastewater Survey & Permit Application
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•
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 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 X Others Chemical Blending
Title: IU Wastewater Survey & Permit Application
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i

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-Methyl-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 I X
Base Neutral Organics
1,2,4-Trichlorobenzene 34551 X X
1,2-Dichlorobenzene 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
Title: IU Wastewater Survey & Permit Application
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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
Chromium 01034 X X
Copper 01042 X X .0080 mg/1 avg
Lead 01051 X
Mercury 71900 X
Molybdenum 01062 X
Nickel 01067 X
Selenium 01147 X
Silver 01077 X X
Thalium 00982 X
Zinc 01092 X X .034 mg/1 avg
Title: IU Wastewater Survey & Permit Application
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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)
Other Inorganics
1 Barium 01007 X X
Chloride 00940 X X
Cyanide 00720 X X <.007 mu/I
Fluoride 00951 X X
Purgeable Volatile Organics
1,1,1-Trichloroethane 34506 X
1,1,2,2-Tetrachloroethane 34516 X X
1,1,2-Trichloroethane 34511 X X
1,1-Dichloroethane 34496 X X
1,1-Dichloroethvlene 34501 X X
1,2-Dichloroethane 34531 X X
1,2-Dichloropropane 34541 X X
2-Chloroethyl vinyl ether 34576 X X
Acrolein 34210 X X
Acrylonitrile 34215 X X
Benzene 34030 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-Dichloropropene 34704 X X
Dibromochloromethane 32105 X X
Ethvlbenzene 34371 X
Methylene chloride 34423 X X
Tetrachloroethvlene 34475 X X
Toluene 34010 X X 1
trans 1,3-Dichloropropene 34699 X X
trans-1,2-Dichloroethvlene 34546 X X
Trichloroethylene 39180 X X
Trichlorofluoromethane 34488 X X
Vinyl chloride 39175 X X
Others X
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Data Summary Form
City of <= Receiving POTW
Monroe
NC0024333 <= Receiving NPDES #
02 <= Specific Sample Location!
i.e., Give IU Name, IUP#, and/or pipe#
BOD TSS Ammonia
Lab => Laboratory performing analysis => Pace Analytical Pace Analytical Pace Analytical
MDL => Laboratory Method Detection Limits => 2.0 mg/1 2.5 mg/1 .05 mg/1
Notes => Additional results are on file with City
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/1
1
2 4/23/20 M 5207 461 mg/1 6.1 mg/1 .71 mg/1
3 8/13/20 M 7084 491 mg/1 ND .36 mg/1
4 3/11/21 M 4956 670 mg/1 2.9 mg/1 .26 mg/1
5 9/22/21 M 6973 316 mg/1 8.4 mg/1 2.7 mg/1
6
7
8
9
10
11
12 .
etc
TNS => Total number of samples => 4 4 4
Max. value=> Maximum data value (mg/1) => 670 mg/1 8.4 mg/1 2.7 mg/1
Avg. (use 1/2 BDL) _> Avg.data value,Include BDL values as 1/2 detection limit=> 484.5 mg/I 4.66 mg/1 1.01 mg/1
Title: IU Wastewater Survey & Permit Application
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Data Summary Form
city of Monroe <= Receiving POTW
NC0024333 <= Receiving NPDES #
02 <= Specific Sample Location!
i.e., Give IU Name, IUP#, and/or pipe #
Arsenic Copper Chromium Cadmium COD Copper
Lab => NA Pace Analytical NA NA Pace Analytical NA
MDL => 2.5 ug/1
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 4/23/20 6.7 ug/1 683 mg/1
2 8/13/20 ND 738 mg/1
3 3/11/21 13.6 ug/1 792 mg/1
4 9/22/21 ND 603 mg/1
5
6
7
8
9
10
11
12
etc
TNS => 4 4
Max. Value => 13.6 ug/1 792 mg/1
Avg. (use 1/2 BDL)_> 12.6 ug/1 704 mg/1
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Data Summary Form
City of Monroe <= Receiving POTW
NC0024333 <= Receiving NPDES #
02 <= Specific Sample Location!
i.e., Give IU Name, IUP#, and/or pipe#
Cyanide Lead Mercury Nickel Silver Zinc
Lab => Pace Analytical NA NA NA NA 2.5 ug/1
MDL => .006 mg/1
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 4/23/20 .011 ug/1 25.4 ug/1
2 8/13/20 ND 16.6 ug/1
3 3/11/21 ND 30.4 ug/l
4 9/22/21 010 38.3 ug/1
5
6
7
8
9
10
11
12
etc
TNS => 4 4
Max. Value => L .011 ug/1 38.3 ug/1
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Avg. (usel/2 BDL) _> .0067 ughl r 27.67 ug/1
Data Summary Form
<= Receiving POTW
<= Receiving NPDES #
<= Specific Sample Location!
i.e., Give IU Name, IUP#, and/or pipe #
Other Other Other Other Other Other
Lab =>
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
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Max. Value =>
Title: IU Wastewater Survey & Permit Application
File name: C:\Users\vmckinn\AppData\Local\Microsoft\Windows\INctCache\Content.Outlook\GFNAZ50T\2021 IUP Renewal Request(003).docx
Revision date: 12/30/97 Page 17 of 20

Avg. (use1/2 BDL) _>
Title: IU Wastewater Survey & Permit Application
File name: C:\Users\vmckinn\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\GFNAZ50T\2021 IUP Renewal Request(003).docx
Revision date: 12/30/97 Page 18 of 20

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 W14 Changed production schedule to minimize equipment and feedstock
changeovers
W19 Other changes in operating practices (explain briefly in comments)
X W21 Instituted procedures to ensure that materials do not stay in inventory
beyond shelf-life
X W22 Began to test outdated material-continue to use if still effective
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
X W29 Other changes in Inventory control (explain briefly in comments)
X W31 Improved storage or stacking procedures
X 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
X W42 Substituted raw materials
W49 Other raw material modifications (explain briefly in comments)
X W51 Instituted recirculation within a process
Wastewater Survey Application&Permit
Title: IU
File name: C:\Users\vmckinn\AppData`.Local\Microsoft\Windows\INetCache\Content.0utlook\GFNAZ50T\2021 IUP Renewal Request(003).docx
Revision date: 12/30/97 Page 19 of 18

Current Projected Code Description
X 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
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)
W81 Chan ed 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)
W29—implementation of new ERP system
Title: IU Wastewater Survey & Permit Application
File name: C:\Users\vmckinn\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\GFNAZ50T\2021 IUP Renewal Request(003).docx
Revision date: 12/30/97 Page 20 of 20

SIU INSPECTION FORM
Name Of Industry: e.TOcAl 5-k-:ar-N`fie c1not'o, Si :T& IUP# C. "0 1
Address Of Industry: —160 N.), T0it.n5 ,-, S'1--' IUP Expiration Date:
Morico--e, NC t 16 to-36._22,
kieroh<« �dt:..ermnc 1-4R m6Sr
Industry Representatives: Title
41tV.c.g 1Zo6In�;v r 6sM
l c 1� P-e r.--,Y-, (tea ch-1-
PO,JW Represent tives: Title
.1\r---. sleet— Pl— C3of ej
Date Of Inspection: 1(2—I 0_,Q 1 Time Of Inspection: 1'-1 r.,5 am/pm 0 c.,_.
Purpose of Inspection: Annual ✓ Other(Describe)
POTW to which IU discharges C..t f (Y�1ra-Z NPDES# KC_OO 13 3
Is SIU currently in SNC? Nca If yes,for what?
1 PART I- INITIAL INTERVIEW
Has anything changed since the last inspection or IUP application in the following:
COMMENTS
Product YES/ O
Raw materials used YES/I
Manufacturing processes YES/
Categorical,if applicable Y /
Production rate .`I_t. NO bu c-1C -}-a '2s3 4 et 1.0,,e.A5
Number of employees it S NO \3 46r..,,, 5(.,,k14 y
Number of shifts YES ,-c-f s
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
1. Are there floor drains in the production area? 4115 NO Where do they go? P J
2. Are production areas diked,contained,y erwise constructed in such a way as to prevent harm to the
WWTP,especially from spills or slugs? /NO Comments:
3. Are there floor drains in the storage area? 0/NO Where do they go? '2 t'
4. Are storage tanks and areas diked,contained,or otherwise constructed in such a way as to prevent harm
to the WWTP,especially from spills or slugs? 'NO Comments:
5. Are process and storage tanks and pipes labeled? <'ES NO
6. How are off-spec raw materials,and products dispose of? �"\vc, r
7. When is the production area cleaned? .6 _ \
8. Is the wastewater from cleaning the production aarea discharged to the POT ? YES/ O . L �
9. What non-process wastewaters are discharged to POTW? � t.�t o,ler 6(`„ ten/ f e1
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. 4 j r,
1. Does operator seem knowledgable about the system? /NO Comments: rr-r l ti• J
�rGc_ J 5+1 ,.
2. Are all units operational? 0/NO
3. How often does operator/maintenance .-rson chefk s ste 4
4. Is there an operator for each shift? ` /NO I
5. How and when is o .disposed sludg a ��•.� _ d l 1 Re c.4‘, et/
lTt �CK�-1Q
6. Is there a schedule for` reventative maintenance? ONO
i� -4 �-_d - 'or fve_ c:6,-e-4- 5YA-em
Comments:
PART II - Plant Tour Section C - SAMPLING POINT(S) AND FLOW
MEASUREMENT
(Collect a sample if desired.)
1. Does an outside lab complete sampling?41113 NO If yes,name of lab. -
2. If industry completes sampling,ask the in ustry representative to describe sampling procedures.
Comments:
C,ekt -- 3. Is flow measurement equipment operational? ES NO Comments:
1.13 ( 4. Is there a calibration log for the flow meter? /NO Comments:
Comments:
PART III - EXIT INTERVIEW
Review monitoring records a,,12, er SIU records required by IUP.
1. Are files well organized . /NO Comments:
2. Are sample collection/cham-of-custody forms filled out properly? ES/NO Comments: _
3. Do results in files agree with reports sent to POTW? to NO Comments:
4. Who has-authority to shut down production should,a spill or slug discharge occur?
r v t S•a t'S/ N.aser 5 r ra4-0(
5. How does SIU inrottn employees df whom to call at POTW in case of spill/slug?
c,ia(V areas
If slug/spill plan is already required by PO ,review procedures.
6. Is SIU implementing slug/spill plan? NO Comments:
Comments:
INSPECTION RESULTS ,�
Slug/Spill Control Plan Needed? YES0)
Comments,Required Or Recommended Actions:
Signature Of Inspector(s)044. t-, Date: I - (v -a-(
Date:
Title: SIU Inpsection Fonn
File name: COMP.INSP App 7-D
Revision data: August 1, 1994 Page 2

r( -2 g-
GouIst&
Surface Modification Technologies
4/28/22
Kevin Keesler
Wastewater Pretreatment Coordinator
City of Monroe, Monroe, NC
Dear Kevin,
On 3/24/22, Goulston submitted documentation of a pilot study along with design for a
proposed expansion of Goulston's wastewater pretreatment facilities. This information
followed Goulston's IUP application from 3/1/22, requesting renewal and upgrade of the
current IUP that expires on 6/30/22.
Goulston requests authorization to construct the proposed 10,000 gpd Membrane Biological
System (MBR) as presented in the 3/24/22 documentation. The upgraded IUP is requested
due to Goulston's manufacturing expansion in progress on the northside of the site. Goulston
has installed a pipe bridge connecting the north and south sites, and process wastewater will
be transferred daily from the north site to the expanded treatment facility at the south site.
Goulston plans to install the MBR system in a building adjacent to the current WWT bldg. with
piping between the two buildings. Storage and equalization will utilize several existing
Goulston stainless steel storage tanks.
Procurement and installation primarily involve the MBR systems, controls, and piping to
integrate the MBR system with Goulston's existing wastewater pretreatment systems.
Kevin, thank you for your consideration, and please advise any questions as well as next steps
required to gain approval to proceed with procurement and construction.
Sincerely,
Bruce Robinson,
G.M. Operations
700 N.Johnson St. I Monroe, NC 28110, USA
P.O. Box 5025 I Monroe, NC 28111-5025, USA
PHONE [phone] I FAX [phone] I www.goulston.com0

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