HomeMy WebLinkAboutNC0089915_Draft Permit_20200101STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
DRAFT NPDES PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
hi compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended,
The Chemours Company FC, LLC
is hereby authorized to discharge treated wastewater and stormwater from a facility located at
Chemours Company- Fayetteville Works
22828 NC Highway 87 W
Fayetteville
Bladen County
to receiving waters designated as the Cape Fear River in the Cape Fear 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 Month DD, 20YY.
This permit and the authorization to discharge shall expire at midnight on Month DD, 20YY.
Signed this day Month DD, 20YY.
DRAFT
S. Daniel Smith, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Permit NCO089915
SUPPLEMENT TO PERMIT COVER SHEET
The exclusive authority to operate and discharge from this facility arises under the permit conditions,
requirements, terms, and provisions included herein.
is hereby authorized to:
0
The Chemours Company FC, LLC
,, nt ff ,e .,*� Operate existiagwastewater treatment facilities consisting of:
• influent oxidation, coagulation, and pH adjustment tank;
• dual booster pumps;
• ultrafiltration;
• three granular activated carbon (GAC) adsorption units;
• sludge pump;
• polymer make down/injection system;
• in -line mixer and thickener unit;
• rotary fan press skid;
• return filtrate pump;
Discharge treated surface water M groundwalEr through Outfall 003 at the location
specified on the attached map jAp the Cape ear River, class C, WS-IV water in the Cape
Page 2 of 12
Permit NCO089915
Part I
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.] Facility Physical -Chemical Grade II
Beginning on the effective date of this permit and lasting through the expiration date, the Permittee is authorized to
discharge from OutfaH 003 (treated groundwater and surface water from Outfall 003) Such discharges shall
be limited and monitored by the Permittee as specified below:
PARAMETER CHARACTERISTICS
EFFLUENT LIMBS
MONITORING REQUIREMENTS
Monthly Average
FDailyMaximum
Measurement
Frequency
Sample
Type
Sample'
Location
Flow 50050
1.58 MGD
ontinuous
Recording
Effluent
Total Monthly Flow; 82220
Monitor and Report (MG/mo)
- - Monthly
Recording
_ _ Effluent_ _
_ or _ _
Calculation
- - - - -
- -
Temperature (°C) 00010
See Note 2
Daily3
rob
Effluent,
Upstream,
Downstream
BOD,5-day, 20°C C0310
30.0111&0
45.0 mg/L
3Meek
Composite
Effluent
TSS C0530
30.0 mg
45.0 mg/L
Quarterly
Composite
Effluent
Dissolved Oxygen, mg/L 00300
Weekly
Grab
Upstream,
Downstream
HFPO-DA (GenX)4 ?�??
0_06 pg/L. -
- .0_06 pg /L -
-- Weekly - _
_ _Grab_
Influent, Effluent
HFPO-DA (GenX)
- 4ylorutor and RPporL(lb/mo)- - - -
- - Monthl - -
Calculation-
- - -E#luent- - -
HFPO-DA Ge m
- - --Monitorand-R€port 4blyr) - - -
- - -Annual - -
Calculation-
- - -Effluent- -
���?
PFMOAA4 �- -
- -085pg/L- - -
--485}jg/L- - -
- -Weekly - -
- -Grab- -
anfluent,-E#luent
�272
PFMOAA4 - -
- 4ylenitor and Report - - -
- - M - -
Calculation
- - -Effluent- -
PFMOAA4 2722
- - nitorand-Re d
--AnnualW - -
Calculation
- - -E#luent- -
PFAS compounds, ng/L
See A. (5.)
Grab
See A. (5.)
Total Phosphorus, mg/L C066
Monthly
Composite
Effluent
Total Nitrogen, mg/L C0600
(NO2+NO3+TKN)
Monthly
Composite
Effluent
Conductivity 00094
Monthly
Grab
Upstream,
Downstream
Chronic Toxicity TGP38
See Note 5
Quarterly
Composite
Effluent
pH 00400
Between 6.0 and 9.0 Standard Units
3Meek
Grab
Effluent
Mercury (Method 1631 E), COMER
ng/L
47.0 ng/L 6
Quarterly
Grab
Effluent
Page 3 of 12
- - Formatted: Superscript
- - Formatted: Highlight
- - Formatted: Highlight
Formatted Table
Formatted: Highlight
Formatted: Highlight
- - Formatted: Highlight
- - Formatted: Highlight
Permit NCO089915
PARAMETER CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Monthly Average
[DailyMaximum
Measurement
Frequency
Sample
Type
Sample'
Location
Total Selenium 01147
40.0 Ng/L
379.8 Ng/L
Monthly
Composite
Effluent
Total Silver 01077
0.48 Ng/L
2.01 Ng/L
Monthly
Composite
Effluent
Total Cobalt 01037
23.9 Ng/L
23.9 Ng/L
Monthly
Composite
Effluent
Total Cadmium, Ng/L 01027
Quarterly
Composite
Effluent
Total Copper, Ng/L 01042
uarterly
Composite
Effluent
Total Cyanide, Ng/L 00720
Quarterly
Composite
Effluent
Total Lead, Ng/L 01051
Quarterly
Composite
Effluent
Total Thallium, Ng/L 01059
Quarter)
Composite
Effluent
Total Hardness [as CaC031 00900
(mg/L)
Quarterly
mposite
Effluent
Notes:
_Upstream monitoring shall be at the Permittee's river pump station; downstream shall be at the boat ramp
approximately 4500 feet downstream at Prospect Hall Landing.
As a participant in the Middle Cape Fear River Basin Association, the in am monitoring requirements for
conventional parameters as stated above are waived. Should your membership in the agreement be
terminated, you shall notify the Division immediately and the instream monitoring requirements specified in
your permit shall be reinstated.
Influent — influent to the L-4euxdAvatp.rTreatment System.
Effluent —"ofthe
he E 4:R4mdwaterTre Sys .
1.2. The to atfluent shall be such as not t cause an increase in the temperature of the receiving
stream of more than 2.8°C and in no case cause the ambient water temperature to exceed 32°C.
23.Daily shall be defined as every day except Saturdays, Sundays, and legal holidays. Instream temperature-,
sampling shall be conducted weekly.
4. The Permittee shall remove indicator parameters HFPO-DA and PFMOAA at an efficiencv of 99% as required
by the Consent Order in order to maximally reduce PFAS loading to the Cape Fear River. The effluent limits
listed above are Technology Based Effluent Limits ("TBELs") calculated to ensure a minimum of 99% removal
efficiency. In addition to complyinn with these effluent limits the Permittee must demonstrate compliance with
the 99% removal efficiency requirement by calculating monthly removal efficiency for HFPO-DA and
PFMOAA pursuant to condition A. (6.) The Permittee may request revision of the 99% removal efficiency
requirement upon a demonstration that influent concentrations of PFAS have been reduced to such a level that
99% removal is no longer technically feasible. However, notwithstanding any such revision, Chemours shall
continue to operate the Treatment System at optimal efficiency.
'i9 _ F ,.:l:k. .. —11 nnO/ _V tU--- :-A:,., --- ,.a, --- -U ,. ,...,.1 ,.4Y':,.:,.«,... -L-11 t,- t,---A __ +L-
4.5. Chronic Toxicity (Ceriodaphnia) P/F @ 12.5%; quarterly during February, May, August, November; see
condition A. (2.) of this permit.
26. This is an Annual Average limit, based on a calendar year.
Page 4 of 12
Formatted: List Paragraph, Indent: Left: 0",
Numbered + Level: 1 + Numbering Style: 1, 2, 3, ...
+ Start at: 1 + Alignment: Left + Aligned at: 0.25" +
Indent at: 0.5"
Formatted: List Paragraph, Indent: Left: 0", Right:
0", Numbered + Level: 1 + Numbering Style: 1, 2, 3,
... + Start at: 1 + Alignment: Left + Aligned at: 0.25"
+ Indent at: 0.5"
Formatted: List Paragraph, Left, Indent: Left: 0",
Numbered + Level: 1 + Numbering Style: 1, 2, 3, ...
+ Start at: 1 + Alignment: Left + Aligned at: 0.25" +
Indent at: 0.5", Tab stops: Not at 0.5"
Formatted: Indent: Left: 0", Numbered + Level: 1 +
Numbering Style: 1, 2, 3, ... + Start at: 1 +
Alignment: Left + Aligned at: 0.25" + Indent at:
0.5", Tab stops: Not at 0.5"
Permit NCO089915
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE AMOUNTS.
The facility shall develop an Operation and Maintenance Plan (Plan) to ensure maximum dry weather flow
(— 610 gpm) in the channel is consistently captured and treated. sufficient volume is maintained at the dam
for- 0 u-tQ11 003 that provides complete capture of the h-a-sp, flow and stor-niflow up to the hall tr-ontinont
capacity of the system. Similar efforts should be applied at the sumps/dams or other devices that will be
used to capture water from the seeps.
The Plan should be provided to the DEQ within 30 days of the permit issuance for review and approval.
Upon approval, the Plan becomes an integral part of the permit.
_- - - Formatted: Font: Times New Roman, 11 pt, Bold
The facility shall complete and submit EPA Form 2C for this Outfall within 180 of commencement of the
discharge.
A. (2.) CHRONIC TOOat
ERMIT LIMIT P/F (QUARTERLY) —OUTFACE 003
[ 15A NCAC 02B.0200]
The effluent discharge sha time exhibit observable inhibition of reproduction or significant mortality to
Ceriodaphnia dubia at an effluent concentration of 12.5%.
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 11 Chronic Whole Effluent Toxicity Test Procedure" (Revised December 2010, or
subsequent versions). The tests will be performed during the months of February, May, August, and
November. 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 final effluent discharge below all treatment processes.
If the test procedure perfor a first test of any single quarter resuts in a failure or ChV below the
permit limit, then multiple -co ntration testing shall be performed at a minimum, in each of the two
following months as described in -"North Carolina Phase II 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 electronically using the
Division's eDMR system 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-3 (original) is to be sent to the
following address:
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, NC 27699-1621
Page 5 of 12
Permit NCO089915
Or, results can be sent to the email, ATForms.ATBkncdenr.gov.
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30 days after
the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate signature.
Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should there be no discharge of flow from the facility during 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 subm he Water Sciences Section at the address
cited above.
Should the permittee fail to monitor during a month in which icity 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.
Should any test data from this monitoring requirement or tests performed by the North Caro a 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. AL
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 foil®w-up testin to be completed no later than the last day of the month
following the month of the initial monitoring.
A. (3.) RE -OPENER CONDITION
[NCGS 14 -215.3 (a) (2) and NCGS 143-215.66]
This permit shall be modified, or revoked and reissued to incorporate additional texisity limitations and monitoring
requirements in the e t toxicity testing or other studies indicate that
detrimental effects m expected i� *' as a result of this discharge.
A. (4.) ELECTRONIC RE G OF MONITORING REPORTS
[G.S. 143-2151(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 11 of this permit
(Standard Conditions for NPDES Permits):
• Section B. (11.) Signatory Requirements
• Section D. (2.) Reporting
• Section D. (6.) Records Retention
Page 6 of 12
Permit NC0089915
• Section E. (5.) Monitoring Reports
1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)]
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. Until such time that the state's eDMR application is compliant with
EPA's Cross -Media Electronic Reporting Regulation (CROMERR), permittees will be required to submit all
discharge monitoring data to the state electronically using eDMR an ill be required to complete the eDMR
submission by printing, signing, and submitting one signed origin copy of the computer printed eDMR
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
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 mailing address above. See "How to Request a Waiver from
Electronic Reporting" section below.
Regardless of the submission method, the first DMR is due on the last da 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, 2020, the permittee must el ically 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 mays ek an electronic reporting waiver from the Division (see "How to Request a Waiver from
Electronic Reporting" section below).
2. Electronic Submissions IF
In accordance with 40 CFR 122.41(1)(9), the permittee must identify the initial recipient at the time of each
electronic submission. The permittee should use the EPA's website resources to identify the initial recipient
for the electronic submission.
Initial recipient of electronic NPDES information from NPDES-regulated facilities means the entity (EPA or
the state authorized by EPA to implement the NPDES program) that is the designated entity for receiving
electronic NPDES data [see 40 CFR 1272(b)].
Page 7 of 12
Permit NC0089915
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:
http s://www.federalregister.gov/documents/20l 5/l O/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 or the period that the approved reporting
waiver request is effective.
Information on eDMR and the applic a tempora tropic reporting waiver are found on the
following web page:
http://deg.nc.gov/about/divisions/water-reso /edmr
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. (I 1.)(a) or by a duly authorized representative of that person as described in Part II, Section B. (I 1.)(b). A
person, and not a position, must be delegated signatory authority for eMm reporting purposes.
For eDMR ubmissions, he 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/v�ater-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:
V 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 quaked personnel properly gather and
evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my
knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for
submitting false information, including the possibility of fines and imprisonment for knowing violations. "
Page 8 of 12
Permit NCO089915
5. Records Retention [Supplements Section D. (6.)]
The permittee shall retain records of all Discharge Monitoring Reports, including eDMR submissions. These
records or copies shall be maintained for a period of at least 3 years from the date of the report. This period may
be extended by request of the Director at any time [40 CFR 122.41 ].
A. (5.) PFAS MONITORING REQUREMENTS
[NCGS 143-215.3 (a) (2) and NCGS 143-215.66]
The permittee shall monitor for PFAS compounds at the monitoring frequencies described below. The
lists of compounds follow. Note that not all required compounds have eEDMR parameter codes. Those
with parameter codes should be reported using the applicable codes, and all other results for PFAS
compounds should be reported in the comment section of the eEDMR or added as supplemental
information. In addition, a complete copy of all PFAS data shall be —submitted to NPDES Permitting via
email at svc deq npdes-ec@ncdenr.gov, with the Facility permit number and name in the subject heading.
or submitted via mail at the address:
1617 Mail Service Center
n,.te:,.t, NC 27699 1617 <40 \
Location
Compounds
Frequency
Intake
Table 3+ Lab SOP low,Monthly
Full Suite (Table 3+ Lab SOP
and EPA Method 537 Mod)
Quarterly
Influent to the otm", teF
Treatment System
Table 3+ Lab SOP
Monthly
Full suite
Quarterly
Outfall 003 (effluent from the
n.-otm&z,.te Treatment System)
Table 3+ Lab SOP
Monthly
Full suite
Quarterly
Downstream
The boat ramp approximately
4500 feet downstream at Prospect
Hall Landing.
Table 3+ Lab SOP
Monthly
Full Suite _(Table 3+ Lab SOP
a PA Method 537 Mod)
Quarterly ..............
Full Suite / Method 537 Modified Compounds:
- - Formatted: Indent: Left: 0"
- - Formatted: Indent: Left: 0", First line: W
- Formatted: Font: 12 pt
Analytical
Common
Chemical Name
CASN
Chemical
Parameter
Method
Name
Formula
code
HFPO-DA
Hexafluoropropylene oxide
13252-
C611F1103
52612
dimer acid
13-6
PEPA
Perlfuoroethoxypropyl
26729-
C51IF903
Table 3+
carboxylic acid
61-2
Lab SOP
PFECA-G
Perfluoro4-
801212-
C12H9F903S
isopropoxybutanoic acid
59-9
PFMOAA
Perfluoro-2-methoxyacetic
674-13-5
C31IF503
52613
acid
Page 9 of 12
Permit NC0089915
PFO2HxA
Perfluoro(3,5-dioxahexanoic)
acid
39492-
88-1
C41IF7O4
52617
PFO3OA
Perfluoro(3,5,7-
trioxaoctanoic) acid
39492-
89-2
C51IF9O5
52616
PFO4DA
Perfluoro(3,5,7,9-
tetraoxadecanoic) acid
39492-
90-5
C61IF11O6
52617
PMPA
Perfluoromethoxypropyl
carboxylic acid
13140-
29-9
C41IF7O3
Hydro -EVE
Acid
Perfluoroethoxypropanoic
acid
773804-
62-9
C8H2F14O4
EVE Acid
Perfluoroethoxypropionic acid
69087-
46-3
C81IF13O4
PFECA-B
Perfluoror-3,6-dioxaheptanoic
acid
151772-
58-6
C51IF9O4
R-EVE
R-EVE
N/
C8H2F12O5
PFO5DA
Perfluoro-3,5,7,9,1
pentaoxadodeca id
3949
91-6
C71IF13O7
Byproduct 4
Byproduct 4
N/A
C7H2F12O6S
Byproduct 5
Byproduct 5
N/A
C7H3F 1O7S
Byproduct 6
Byproduct 6
N/A
C6fl2FV04S
NVHOS
Perfluoroethoxy ulfonic acid
1132933-
86-86-8
C4H2F8O4S
PES
Perfluoroeth eonic than
acid
113507-
82-7
C41IF9O4S
PFESA-BPI
Byproduct 1
29311-
67-9
C71IF13O5S
PFESA-BP2
Byproduct 2
749836-
20-2
C7H2F14O5S
52614
PFB4.qM
Perfluorobutanoic acid
375-224
C41IF7O2
PFDA
Perfluorodecanoic acid
335-76-2
C10HF19O2
PFDoA
Perfluorododecanoic acid
307-55-1
C121IF23O2
PFHpA
Perfluoroheptanoic acid
375-85-9
C71IF13O2
PFNA
Perfluorononanoic acid
375-95-1
C91IF17O2
PFOA
Perfluorooctanoic acid
335-67-1
C81IF15O
PFHxA
Perfluorohexanoic acid
307-244
C61IF11O2
EPA
PFPeA
Perfluoropeptanoic acid
2706-90-
3
C51IF9O2
Method
537 Mod
PFTeA
Perfluorotetradecanoic acid
376-06-7
C141IF27O2
PFTriA
Perfluorotridecanoic acid
72629-
94-8
C131IF25O2
PFUnA
Perfluoroundecanoic acid
2058-94-
8
C111IF21O2
PFBS
Perfluorobutanesulfonic acid
375-73-5
C41IF9SO
PFDS
Perfluorodecanesulfonic acid
335-77-3
C101IF21O3S
PFHpS
Perfluorohepanesulfonic acid
375-92-8
C71IF15O3S
PFHxS
Perfluorohexanesulfonic acid
355464
C611F13SO3
Page 10 of 12
Permit NC0089915
PFNS
Perfluorononanesulfonic acid
68259-
C911F1903S
12-1
PFOS
Perfluorooctanesulfonic acid
1763-23-
C81IF17SO3
1
PFPeS
Perfluoropentanesulfonic acid
2706-91-
C51IF11O3S
52610
4
10:2 FTS
10:2 fluorotelomersulfonic
120226-
C12H5F21O3
acid
60-0
4:2 FTS
4:2 fluorotelomersulfonic acid
757124-
C6H5F9O3S
72-4
6:2 FTS
6:2 fluorotelomersulfonic acid
27619-
C8H5F13SO3
52608
97-2
8:2 FTS
8:2 fluorotelomersulfonic acid
39108-
C10H5F17O3S
34-4
NEtFOSAA
NEtFOSAA -
29 -
C12H8F17NO4S
6
NEtPFOSA
NEtPFOSA
4151-501
OH6F17NO2S
2
NEtPFOSAE
NEWFOSAE
1691-99-
C JIMOF17NO3S
2
NMeFOSAA
NMeFOSA
2355-31-
C11H6F17NO4S
9
NMePFOSA
NMePFOS
31506-
C9H4F17NO2S
32-8
NMePFOSAE
NMePFOSAE
24448-
C11H8F17NO3S
Nes!
09-7
PFDOS
Perfluorododecanesu onic
79780-
C121IF25O3S
acid
39-5
PFHxDA
Perfluorohexadecanoic acid
67905-
C161IF31O2
19-5
PFODA
Perfluorooctadecanoi acid
16517-
C181IF35O2
1�
11-6
PFOSA
Perfluorooctanesulfonamide
754-91-6
C8112F17NO2S
F-53B Major
F-53B Major
73606-
C8HC1F16O4S
19-6
F-53B Minor
F-53B Minor
83329-
CIOHCIF20O4S
89-9
ADONA
4,8-dioxa-3H-
958445-
C7112F12O4
perfluorononanoate
44-8
NaDONA
NaDONA
EVS1361
DONA
DONA
919005-
14-4
A. (6.) CALCULATION OF HFPO-DA & PFMOAA REMOVAL/LOADS
a. The Permittee shall calculate monthly removal efficiency for HFPO-DA and PFMOAA as follows:
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Where
%Removal = Influent -Effluent
Influent
Influent = monthly average influent concentration
Effluent = monthly average effluent concentration
Permit NC0089915
b. The Permittee shall calculate monthly load for HFPO-DA and PFMOAA as follows:
Monthly C Load = C x TMF x 8.34
Where:
C = monthly average concentration for each compound (mg/L)
TMF =Total Monthly Flow of wastewater discharged Burin the month (MG/month)
8.34 = conversion factor from (mg/L x MG) to pounds
Annual C Load = Sum of the 12 Monthly Loads for eac compound for the calendar year
c. The Permittee shall report monthly HYPO-DA and PFMOAA results 1(% removal, ng/L, and Loading
(pounds/month)y in the discharge monitoring report for each month and shall report each calendar year's
Annual Load results (pounds/year) with the Dece her report for that year. This can be done in comment
section or as a supplemental information with the e MR. It
In addition, calculations shall be submitted electronically with all PFAS data to ES Permitting via
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