NC0085871_Draft Permit_20231115

ROY COOPER
Governor
ELIZABETH BISER l _
Secretary
RICHARD E. ROGERS, JR " Op"' *
Director NORTH CAROLINA
Environmental Quality
• November 15,2023
Flakt Products, Inc.
c/o ABB Inc
Vance Litz,Environmental Project Leader
45 Griffin Road South
Bloomfield,Connecticut 06022
Subject: Review of Draft NPDES Permit NC0085871
Former Flakt Remediation Site
GW-REM WWTP, WPCS Grade PC-1
2000 Lowery Street; Winston-Salem
Forsythe County
Mr. Litz:
In response to your request to renew the subject NPDES permit, received February 14, 2022,the
Division of Water Resources (DWR or the Division)hereby transmits this draft permit for your
review and comment. Please review this document carefully to assure your understanding of the
permit limits and monitoring conditions, and to correct errors, if any.
Concurrent with this notification,the Division will solicit public comment on this draft by
publishing a notice in newspapers having circulation in the general Forsythe County area, as
required by the NPDES Program. Please provide your written comments, if any,to me via email
[[e-mail]] or write to my attention care of NCDEQ/DWR/NPDES Program
no later than December 18,2023,approximately 30 days after receiving this letter. Your written
comments are welcome, but they are not mandatory.
The Division notes that the subject treatment system is currently dormant(no discharge) but that
Flakt Products, Inc. (Flakt) intends to maintain this permit for future use,as needed. Because
Flakt has made no significant alterations to the treatment system, DWR has made only minimal
updates to permit map and text for this renewal.
1. No changes to parameters of concern or monitoring frequencies.
2. Added Monthly Average limit for TSS. [both limits required by EPA]
3. Updated WET text [section A. (2.)]
4. Updated Special Condition for eDMR compliance [section A. (3.)].
Our records show that DWR granted a Waiver of Monthly Monitoring(August 2017). If Flakt
requires continued use of this treatment system,please notify the Winston-Salem Regional
Office (WSRO)within 24 hours of a renewed discharge. If changes to treatment are required,
please advise.
North Carolina Department of Environmental Quality I Division of Water Resources
figA 512 North Salisbury Street 11617 Mail Service Center I Raleigh,North Carolina 27699-1617—919.707.3616

Vance Litz
ABB Inc.
Permit Renewal-Draft Review
November 2023
The NPDES standard conditions (Parts II, III, and IV), are part of this permit but are not included
in this draft document (cover, map, and Part I). The latest version of Parts II, III, and IV are
available at [https://bit.ly/3k5NFaL] and can be viewed online or downloaded as a PDF file.
Following the mandatory 45-day public-comment period, the Division will review all pertinent
comments, if any, and take appropriate action prior to issuing an NPDES permit final. If you
have questions concerning this draft, please e-mail the undersigned [[e-mail]].
Respectfully,
Joe R. Co oron, P. .
NCDEQ/ WR/NPDES Permitting
Enclosure: NPDES Permit NC0085871 (renewal DRAFT)
hc: NPDES Program Files[Laserfiche]
ec: WSRO,Jenny Glasnak;Lon Snider.
DWR/OCU,Jeffrey Talbot[[e-mail]]
WSP USA:Joe Deatherage,Lead Consultant—Environmental Engineer2030 [e-mail]]
Vance Litz,Environmental Project Leader[[e-mail]]

Permit No.NC0085871
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
(NPDES)
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended,
Flakt Products, Inc.
is hereby authorized to discharge treated wastewater from an outfall located at the
Flakt Products Remediation Site
2000 Lowery Street, Winston Salem
Forsyth County
to receiving waters designated as Brushy Fork in the Yadkin-Pee Dee River Basin in accordance with
effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, and IV
hereof.
The permit shall become effective 2025
This permit and the authorization to discharge shall expire at midnight on June 30, 2027.
Signed this day 2024
for Richard E. Rogers, Jr. Director
Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 7

Permit No.NC0085871
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility,whether for operation or discharge, are hereby
revoked. As of this permit issuance, any previously issued permit bearing this number is no longer
effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the
permit conditions,requirements, terms, and provisions included herein.
Flakt Products, Inc.
is hereby authorized to:
1) continue to operate an existing 0.0864 MGD groundwater remediation treatment system consisting
of,but not limited to
• extraction wells
• sequestering agent tank and transfer pump
• equalization tank with transfer pump
• air stripper
• flow monitoring devise
• automatic composite sampler
these facilities located at Flakt Products, Inc., 2000 Lowery Street, Winston Salem, Forsyth County,
and
2. discharge from said treatment facility via Outfall 001, as located on the attached map, into Brushy
Fork(Stream Segment 12-94-12-6), a waterbody currently Classified C waters within hydrological
unit 03-07-04 [HUC: 03040101] of the Yadkin-Pee Dee River Basin.
Page 2 of 7

Permit No.NC0085871
Part I
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.]
Beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to
discharge treated wastewater from Outfall 001. Such discharges shall be limited, monitored, and
reportedl by the Permittee as specified below:
EFFLUENT MONITORING REQUIREMENTS
EFFLUENT LIMITATIONS
CHARACTERISTICS Monthly Daily Measurement Sample Sample
Parameter Codes Average Maximum Frequency Type Location
Flow 2 (MGD) 50050 0.0864 Continuous Recorder Influent
or Effluent
Total Suspended Solids C0530 15.0 mg/L 30.0 mg/L Quarterly Grab Effluent
pH (Standard Units) 00400 Not<6.0 nor> 9.0 s.u. Quarterly Grab Effluent
Chloroform 32106^ Quarterly Grab Effluent
1,1-dichloroethene 34501 Quarterly Grab Effluent
1,2-dichloroethane 32103 Quarterly Grab Effluent
Trichloroethene 78389 Quarterly Grab Effluent
Chronic Toxicity s TGP3B Quarterly Composite Effluent
Benzene 34030 Annually 4 Grab Effluent
Carbon Tetrachloride 32102 Annually 4 Grab Effluent
Methylene Chloride 34423 Annually 4 Grab Effluent
Tetrachloroethene 78389 Annually 4 Grab Effluent
1,1,2,2-tetrachlorethane 34516 Annually 4 Grab Effluent
1,1,2-trichioroethane 34511 Annually 4 Grab Effluent
Footnotes:
1. The Permittee shall submit Discharge Monitoring Reports electronically using NC DWR's
eDMR application system [see A. (3.)].
2. If the discharge is not continuous,flow may be monitored weekly by an
instantaneous flow measurement.
3. Chronic Toxicity(Ceriodaphnia)P/F at 4.5% effluent concentration,March, June,
September,December [see A. (2.].
4. The test-method practical quantitative level(PQL)for the above chlorinated compounds is
1.0 µg/L with the exception of Methylene Chloride(PQL=5.0 µg/L). If any compound is
detected at a value greater than its test-method PQL,the Permittee shall increase the
monitoring frequency to Quarterly and continue until permit expiration.
Condition: The Permittee shall discharge no floating solids or foam visible in other than trace amounts.
Page 3 of 7

Permit No. NC0085871
A. (2.) CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (Quarterly)
[15A NCAC 02B .0200 et seq.]
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubia at an effluent concentration of 4.5%.
The permit holder shall perform at a minimum,quarterly monitoring using test procedures outlined in
the"North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure,"Revised December 2010,or
subsequent versions or"North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure"
(Revised-December 2010)or subsequent versions. The tests will be performed during the months of
March,June, September, and December. These months signify the first month of each three-month
toxicity testing quarter assigned to the facility. Effluent sampling for this testing must be obtained
during representative effluent discharge and shall be performed at the NPDES permitted fmal effluent
discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV
below the permit limit,then multiple-concentration testing shall be performed at a minimum,in
each of the two following months as described in "North Carolina Phase H Chronic Whole
Effluent Toxicity Test Procedure"(Revised-December 2010) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form(MR-1) for the months in which tests were performed,using the parameter
code TGP3B for the pass/fail results and THP3B for the Chronic Value. Additionally, DWR Form AT-
3Y�
(original) is to be sent to the following address:
Attention: North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh,NC 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30
days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data,and be certified by laboratory supervisor and ORC or approved designate
signature. Total residual chlorine of the effluent toxicity sample must be measured and reported if
chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required,the permittee will complete the information located at the top of the aquatic toxicity(AT) test
form indicating the facility name,permit number,pipe number, county, and the month/year of the report
with the notation of"No Flow"in the comment area of the form. The report shall be submitted to the
Water Sciences Section at the address cited above.
Should the permittee fail to monitor during a month in which toxicity monitoring is required,monitoring
will be required during the following month. Assessment of toxicity compliance is based on the toxicity
testing quarter, which is the three-month time interval that begins on the first day of the month in which
toxicity testing is required by this permit and continues until the final day of the third month.
Page 4 of 7

Permit No. NC0085871
Should any test data from this monitoring requirement or tests performed by the North Carolina Division
of Water Resources indicate potential impacts to the receiving stream, this permit may be re-opened and
modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival, minimum control organism reproduction, and appropriate environmental controls,
shall constitute an invalid test and will require immediate follow-up testing to be completed no later
than the last day of the month following the month of the initial monitoring.
A. (3.) ELECTRONIC REPORTING - DISCHARGE MONITORING REPORTS
[G.S. 143-215.1(b)]
Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and
program reports. The final NPDES Electronic Reporting Rule was adopted and became effective on
December 21,2015.
NOTE: This special condition supplements or supersedes the following sections within Part II of this
permit (Standard Conditions for NPDES Permits):
• Section B. (11.) Signatory Requirements
• Section D. (2.) Reporting
• Section D. (6.) Records Retention
• Section E. (5.) Monitoring Reports
1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)1
The permittee shall report discharge monitoring data electronically using the NC DWR's Electronic
Discharge Monitoring Report(eDMR) internet application.
Monitoring results obtained during the previous month(s) shall be summarized for each month and
submitted electronically using eDMR. The eDMR system allows permitted facilities to enter
monitoring data and submit DMRs electronically using the internet. The eDMR system may be
accessed at: https://deq.nc.gov/about/divisions/water-resources/edmr.
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility
being physically located in an area where less than 10 percent of the households have broadband
access, then a temporary waiver from the NPDES electronic reporting requirements may be granted
and discharge monitoring data may be submitted on paper DMR forms (MR 1, 1.1, 2, 3) or
alternative forms approved by the Director. Duplicate signed copies shall be submitted to the
following address:
NC DEQ/ Division of Water Resources/Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
See "How to Request a Waiver from Electronic Reporting" section below.
Page 5 of 7

Permit No.NC0085871
Regardless of the submission method, the first DMR is due on the last day of the month following
the issuance of the permit or in the case of a new facility, on the last day of the month following the
commencement of discharge.
Starting on December 21, 2025, the permittee must electronically report the following compliance
monitoring data and reports, when applicable:
• Sewer Overflow/Bypass Event Reports;
• Pretreatment Program Annual Reports; and
• Clean Water Act(CWA) Section 316(b) Annual Reports.
The permittee may seek an electronic reporting waiver from the Division (see"How to Request a
Waiver from Electronic Reporting" section below).
2. Electronic Submissions
In accordance with 40 CFR 122.41(l)(9), the permittee must identify the initial recipient at the time
of each electronic submission. The permittee should use the EPA's website resources to identify the
initial recipient for the electronic submission.
Initial recipient of electronic NPDES information from NPDES-regulated facilities means the entity
(EPA or the state authorized by EPA to implement the NPDES program) that is the designated entity
for receiving electronic NPDES data [see 40 CFR 127.2(b)].
EPA plans to establish a website that will also link to the appropriate electronic reporting tool for
each type of electronic submission and for each state. Instructions on how to access and use the
appropriate electronic reporting tool will be available as well. Information on EPA's NPDES
Electronic Reporting Rule is found at:
https://www.federalregister.gov/documents/2015/10/22/2015-24954/national-pollutant-discharge-
elimination-system-npdes-electronic-reporting-rule
Electronic submissions must start by the dates listed in the"Reporting Requirements"section above.
3. How to Request a Waiver from Electronic Reporting
The permittee may seek a temporary electronic reporting waiver from the Division. To obtain an
electronic reporting waiver, a permittee must first submit an electronic reporting waiver request to
the Division. Requests for temporary electronic reporting waivers must be submitted in writing to
the Division for written approval at least sixty (60) days prior to the date the facility would be
required under this permit to begin submitting monitoring data and reports. The duration of a
temporary waiver shall not exceed 5 years and shall thereupon expire. At such time, monitoring data
and reports shall be submitted electronically to the Division unless the permittee re-applies for and is
granted a new temporary electronic reporting waiver by the Division. Approved electronic reporting
waivers are not transferrable. Only permittees with an approved reporting waiver request may
submit monitoring data and reports on paper to the Division for the period that the approved
reporting waiver request is effective.
Information on eDMR and the application for a temporary electronic reporting waiver are found on
the following web page:
http://deq.nc.gov/about/divisions/water-resources/edmr
Page 6 of 7

Permit No.NC0085871
4. Signatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)1
All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II,
Section B. (11.)(a) or by a duly authorized representative of that person as described in Part II,
Section B. (11.)(b). A person, and not a position, must be delegated signatory authority for eDMR
reporting purposes.
For eDMR submissions, the person signing and submitting the DMR must obtain an eDMR user
account and login credentials to access the eDMR system. For more information on North
Carolina's eDMR system, registering for eDMR and obtaining an eDMR user account,please visit
the following web page: http://deq.nc.gov/about/divisions/water-resources/edmr
Certification. Any person submitting an electronic DMR using the state's eDMR system shall make
the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION
WILL BE ACCEPTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my
direction or supervision in accordance with a system designed to assure that qualified personnel
properly information submitted. Based on my inquiry of the person or
P Ygaher and evaluate the
persons who manage the system, or those persons directly responsible for gathering the information,
the information submitted is, to the best of my knowledge and belief true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations."
5. Records Retention [Supplements Section D. (6.)1. The permittee shall retain records of all
Discharge Monitoring Reports, including eDMR submissions. These records or copies shall be
maintained for a period of at least 3 years from the date of the report. This period may be
extended by request of the Director at any time [40 CFR 122.41].
Page 7 of 7

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Flakt Products, Inc.
2000 Lowery Street, Winston Salem Faci
Outfall Latitude: 36°05'31"N Outfall Longitude: 80°13' 16"W
Stream Class: C Receiving Stream: Brushy Fork not to scale
Stream Segment: 12-94-12-6 Flow: 0.302 MGD
Subbasin: 03-07-04 USGS Ouad: Winston-Salem East
HUC: 03040101
Drainage Basin: Upper Yadkin,Yadkin Pee-Dee NPDES Permit NC0085871
North Forsyth County