NCS000554_Updated application_20230410

%y DUKE
ENERGY.
March 22, 2023
Ms. Brianna Young
NC DEMLR Stormwater Program
1612 Mail Service Center
Raleigh, NC 27699-1612
RECEIVEC
APR 101013
DEML"StormWal" program
Subject: Duke Energy Carolinas, LLC.
Buck Steam Station and Buck Combined Cycle
NPDES Industrial Stormwater Permits NCS000578 and NCS000554
NPDES Form 2F Composite Sampling Results
Dear Ms. Young:
Duke Energy
Buck Combined Cycle
1385 Dukeville Road
Salisbury, NC 282146
Duke Energy Carolinas, LLC is submitting herewith, updated EPA form 217's with the required composite
sampling data for Outfalls SWOOICC and SWO075, as required by the renewal process for stormwater permits
NCS000578 and NCS000554. Composite data was taken on December 15, 2022; however, the analytical results
were not available prior to the required submittal date of the renewal application.
Attached are the updated EPA form 21's for Outfall SWOOICC and Outfall SW075.
Should you have any questions please contact Mr. Steve Cahoon at [e-mail] or
at (919)-546-7457 or Mr. Dale Wooten at [e-mail] or (704)-630-3086.
"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 qual f ed 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 forgathering 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. "
Sincerely,
?isenrieth
General Manager
Buck Combined Cycle
Attachments:
Form 2F Outfall 001 CC
Form 2F Outfall 075
Mailed by USPS: 7019 0140 0001 0794 0692
Return Receipt USPS: 9590 9402 5350 9154 1987 36

United States Office of Water EPA Form 3510-2F
Environmental Protection Agency Washington, D.C. Revised March 2019
Water Permits Division
'EPA Application Form 2F
Stormwater Discharges
Associated with Industrial
Activity
NPDES Permitting Program
0
Note: Complete this form and Form 1 if you are a new or existing facility whose discharge is composed
entirely of stormwater associated with industrial activity, excluding discharges from construction
activity under 40 CFR 122.26(b)(14)(x) or (b)(15). If your discharge is composed of stormwater and
non-stormwater, you must complete Forms 1 and 2F, and you must complete Form 2C, 21), or 2E, as
appropriate. See the "Instructions" inside for further details.

- a
Paperwork Reduction Act Notice
The U.S. Environmental Protection Agency estimates the average burden to collect and complete
Form 2F to be 28.1 hours. The estimate includes time for reviewing instructions, searching existing data
sources, gathering and maintaining the needed data, and completing and reviewing the collection of
information. Send comments about the burden estimate or any other aspect of this collection of
information, including suggestions for reducing the burden, to the Chief, Information Policy Branch
(PM-223), U.S. Environmental Protection Agency, 1200 Pennsylvania Avenue, NW, Washington, DC
20460, and to the Office of Information and Regulatory Affairs, Office of Management and Budget,
725 17'h Street, NW, Washington, DC 20503, marked "Attention: Desk Officer for EPA."

FORM 2F—INSTRUCTIONS
General Instructions
Who Must Complete Form 2F?
You must complete Form 2F if you answered "Yes" to Item 1.2.5 on
Form 1—that is, you are a new or existing facility and your
discharge is composed entirely of stormwater associated with
industrial activity (excluding discharges from construction activity
under 40 CFR 122.26(b)(14)(x) or (b)(15)) orcomposed of
stormwater and non-stormwater and are seeking coverage under
an individual National Pollutant Discharge Elimination System
(NPDES) permit. Note that applicants in the latter category must
also complete Forms 2C, 2D, or 2E, as applicable. See inset
below.
Notes
• Form 2F must be completed by any operator of
a facility that discharges stormwater associated
with industrial activity or the operator of any
stormwater discharger that EPA is evaluating for
designation as a significant contributor of
pollutants to waters of the United States, or as
contributing to a violation of a water quality
standard.
• For discharges composed entirely of
stormwater, the operator must complete
Form 2F in conjunction with Form 1.
• For discharges of stormwater combined with
process wastewater, the operator must
complete and submit Form 2F, Form 1, and
Form 2C. Process wastewater is water that
comes into direct contact with or results from
the production or use of any raw material,
intermediate product, finished product,
byproduct, waste product, or wastewater.
• For discharges of stormwater combined with
nonprocess wastewater, the operator must
complete Form 2F, Form 1, and Form 2E.
Nonprocess wastewater includes noncontact
cooling water and sanitary wastes that are not
regulated by effluent guidelines, except
discharges by educational, medical, or
commercial chemical laboratories.
• For new discharges of stormwater associated
with industrial activity that will be combined with
other new non-stormwater discharges, the
operator must submit Form 2F, Form 1, and
Form 2D.
Where to File Your Completed Form
Submit your completed application package (Forms 1 and 2F plus
any other applicable forms) to your NPDES permitting authority.
Consult Exhibit 1-1 of Form 1's "General Instructions" to identify
your NPDES permitting authority.
Public Availability of Submitted Information
The U.S. Environmental Protection Agency (EPA) will make
information from NPDES permit application forms available to the
public for inspection and copying upon request. You may not claim
any information on Form 2F (or related attachments) as confidential.
You may make a claim of confidentiality for any information that you
submit to EPA that goes beyond the information required by Form
2F. Note that NPDES permitting authorities will deny claims for
treating any effluent data (estimated or actual) as confidential. If you
do not assert a claim of confidentiality at the time you submit your
information to the NPDES permitting authority, EPA may make the
information available to the public without further notice to you. EPA
will handle claims of confidentiality in accordance with the Agency's
business confidentiality regulations in Part 2 of Title 40 of the Code
of Federal Regulations (CFR).
Completion of Forms
Print or type in the specified areas only. If you do not have enough
space on the form to answer a question, you may continue on
additional sheets, as necessary, using a format consistent with the
form.
Provide your EPA Identification Number from the Facility Registry
Service, NPDES permit number, and facility name at the top of each
page of Form 2F and any attachments. If your facility is new (i.e.,
not yet constructed), write or type "New Facility" in the space
provided for the EPA Identification Number an NPDES permit
number. If you do not know your EPA Identification Number, contact
your NPDES permitting authority. See Exhibit 1-1 of Form 1's
"General Instructions" for contact information. Additionally, for
Tables A through D, provide the applicable outfall number at the top
of each page.
Do not leave any response areas blank unless the form directs you
to skip them. If the form directs you to respond to an item that does
not apply to your facility or activity, enter "NA" for "not applicable" to
show that you considered the item and determined a response was
not necessary for your facility.
The NPDES permitting authority will consider your application
complete when it and any supplementary material are received and
completed according to the authority's satisfaction. The NPDES
permitting authority will judge the completeness of any application
independently of the status of any other permit application or permit
for the same facility or activity.
Definitions
The legal definitions of all key terms used in these instructions and
Form 2F are in the "Glossary" at the end of the "General
Instructions" in Form 1.
2F-1

FORM 21F—INSTRUCTIONS CONTINUED
Line -by -Line Instructions
Section 1.Outfall Location
Item 1.1. Identify each of the facility's outfalls by number. For each
ouffall, specify the latitude and longitude to the nearest 15 seconds
and name of the receiving water. Latitude and longitude
coordinates may be obtained in a variety of ways, including use of
hand held devices (e.g., a GPS enabled smartphone), Internet
mapping tools (e.g.,
https:llmvnasadata.larc,nasa.gov/latitudelongitude-finderA,
geographic information systems (e.g., ArcView), or paper maps
from trusted sources (e.g., U.S. Geological Survey or USGS). The
location of each ouffall (i.e., where the coordinates are collected)
shall be the location where collected and concentrated stormwater
flows are discharged from the facility such that the first receiving
water body into which the discharge flows, either directly or
through a separate storm sewer system, is a water of the United
States. If you need further guidance in responding to Item 1.1, refer
to htto://www.eoa.gov/geosi)atial/latitudelongitude-data-standard.
Note: In EPA's stormwater permits, "outfalls" are referred to as
"discharge points."
Note that space has been provided on the form for six outfalls. If
you have more than this number, type your information on a
separate sheet of paper in a format similar to that of the forth.
Make sure you note the EPA Identification Number, NPDES permit
number, and facility name at the top of the page and indicate the
specific item of the forth to which you are responding —Item 1.1 in
this case. In other sections of the form, you will be asked to provide
information by ouffall number (Sections 2, 4, 5, and 7).
Section 2. Improvements
Item 2.1. Indicate if you are required by any federal, state, or local
authority to meet an implementation schedule for constructing,
upgrading, or operating wastewater treatment equipment or
practices or any other environmental programs that could affect the
discharges described in this application. The requirements include,
but are not limited to, permit conditions, administrative enforcement
orders, enforcement compliance schedule letters, stipulations,
court orders, and grant or loan conditions. If yes, continue to Item
2.2. If no, skip to Section 3.
Item 2.2. Briefly identify and describe each applicable project (e.g.,
consent decree, enforcement order, or permit condition). For each
condition, specify the affected ouffall number(s), the source(s) of
the discharge, the required final compliance date, and the
projected final compliance date.
Item 2.3.OPTIONAL ITEM. Indicate if you have attached any
sheets describing any additional water pollution control programs
(or other environmental projects that could affect your discharges)
that you may now have underway or planned. If you attach
additional sheets, indicate in the attachment whether each program
is actually underway or is planned, and indicate your actual or
planned schedule for construction. Be sure to note your EPA
Identification Number, NPDES permit number, and facility name at
the top of any attached pages.
Section 3. Site Drainage Map
Item 3.1 Attach a site drainage map showing the topography of the
facility. If a topographic map is unavailable, you may provide an
outline of drainage areas served by the outfall(s) covered in the
application. The site map must include the following information:
• Each of its drainage and discharge structures.
• The drainage area of each stormwater ouffall.
Paved areas and buildings within the drainage area of each
stormwater ouffall; each past or present area used for outdoor
storage or disposal of significant materials; each existing
structural control measure to reduce pollutants in stormwater
runoff; materials loading and access areas; and areas where
pesticides, herbicides, soil conditioners, and fertilizers are
applied.
• Each hazardous waste treatment, storage, or disposal facility
(including each area not required to have a Resource
Conservation and Recovery Act permit and is used for
accumulating hazardous waste for less than 90 days under
40 CFR 262.34).
• Each well where fluids from the facility are injected
underground.
• Springs and other surface water bodies that receive stormwater
discharges from the facility.
When you have completed and attached your site map to Form 2F,
answer "Yes" to Item 3.1.
Section 4. Pollutant Sources
Item 4.1. List all ouffalls discharging stormwater. Provide an
estimate of the impervious surface area drained by the outall.
Specify units of measure. (Impervious surfaces are surfaces where
stormwater runs off at rates significantly higher than background
rates—e.g., predevelopment levels. They include paved areas,
building roofs, parking lots, and roadways.)
Provide an estimate of the total surface area (impervious and
pervious areas) drained by each ouffall (within a mile radius of the
facility). You may use the site map developed under Item 3.1 to
estimate the total area drained by each outall. For areas under
5 acres, consult your NPDES permitting authority to determine
whether the area should be reported to the nearest tenth of an acre
or nearest quarter of an acre.
Item 4.2. Provide a narrative description of the following
• Significant materials that in three years prior to the submittal of
this application have been treated, stored, or disposed of in a
manner to allow exposure to stormwater.
• Method of treatment, storage, or disposal of such materials.
• Materials management practices employed, in the three years
prior to the submittal of this application, to minimize contact by
these materials with stormwater runoff.
• Materials loading and access areas.
• The location, manner, and frequency in which pesticides,
herbicides, soil conditioners, and fertilizers are applied.
You should identify your significant materials by chemical name,
2F-2

FORM 2F—INSTRUCTIONS CONTINUED
form (e.g., powder, liquid, etc.), and type of container or treatment
unit. Indicate any materials treated, stored, or disposed of
together. The term "significant materials" includes, but is not
limited to: raw materials; fuels; materials such as solvents,
detergents, and plastic pellets; finished materials such as metallic
products; raw materials used in food processing or production;
hazardous substances designated under Section 101(14) of the
Comprehensive Environmental Response, Compensation, and
Liability Act; any chemical the facility is required to report pursuant
to Section 313 of Title III of the Superfund Amendments and
Reauthorization Act; and fertilizers; pesticides; and waste products
such as ashes, slag, and sludge that have the potential to be
released with stormwater discharges.
Item 4.3. For each outfall, list the location and type of existing
structural and non-structural control measure(s) to reduce
pollutants in stormwater runoff. Structural controls include
structures that enclose materials handling or storage areas;
structures that cover materials; and berms, dikes, or diversion
ditches around manufacturing, production, storage, or treatment
units and retention ponds. Spill prevention plans, employee
training, visual inspections, preventive maintenance, and
housekeeping measures are examples of non-structural controls.
Describe the treatment, including the schedule and type of
maintenance activities performed, and the ultimate disposal of any
solid or fluid wastes other than by discharge. For each structural
control identified, indicate the type of treatment the stormwater
receives using the codes in Exhibit 217-1, at the end of the
instructions. For each non-structural control identified, indicate
"Not Applicable" in the "Codes from Exhibit 2F-1" column.
Section 5. Non-Stormwater Discharges
Item 5.1. Provide a certification that all outfalls that should contain
stormwater discharges associated with industrial activity have
been tested or evaluated for the presence of non-stormwater
discharges. Tests for such non-stormwater discharges can include
smoke tests, fluorometric dye tests, analysis of accurate
schematics, and others.
Item 5.2. Include a description of the method used, the date of any
testing, and the onsite drainage points that were directly observed
during a test used to support the certification in Item 5.1. All non-
stormwater discharges must be identified in a Form 2C, 2D, or 2E.
See "Who Must Complete Form 2F?" above for more information.
Section 6. Significant Leaks or Spills
Item 6.1. Describe any significant leaks or spills of toxic or
hazardous pollutants at the facility within the three years prior to
the submittal of this application. Include the approximate date and
location of the spill or leak and the type and amount of material
released.
Section 7. Discharge Information
Item 7.1. Answer whether you are a new source or new discharge.
Contact your NPDES permitting authority to determine if you are a
new source or new discharge.
Tables A, B, C, and D
Items 7.2 to 7.17. These items require you to collect and report data
in Tables A through D, at the end of Form 2F, for the parameters and
pollutants listed in Exhibits 217-2, 2F-3, and 2F-4 (at the end of the
instructions). The instructions for completing Tables A through D are
table -specific, as are the criteria for determining who should
complete them.
Important note: Read the "General Instructions for Reporting,
Sampling, and Analysis" below before completing Items 7.2 to 7.17.
Item 7.2 and Table A. All applicants must complete Table A. If the
discharge is an existing discharge and your discharge is composed
exclusively of stormwater (i.e., no process or nonprocess
wastewater) then you only need to provide monitoring data for oil and
grease, total phosphorus, total Kjeldahl nitrogen, and total nitrogen.
Indicate "NA" for "not applicable" in the columns for all other
parameters. Answer "Yes" to Item 7.2 once you have completed this
task.
Item 7.3 and Table B. Indicate whether the facility is subject to an
effluent limitations guideline (ELG) (see 40 CFR Subchapter N to
determine which pollutants are limited in ELGs) or if the facility is
subject to effluent limitations in an NPDES permit for its process
wastewater or stormwater (if the facility is operating under an existing
NPDES permit). If yes, continue to Item 7.4. If no, skip to Item 7.5.
Note: Stormwater discharges from certain industrial sources or
activities have specific ELGs for which they must comply. These
stormwater-specific ELGs include:
Regulated Discharge
40 CFR Section
Discharges resulting from spraydown or intentional
Part 429, Subpart I
wetting of logs at wet deck storage areas
Runoff from phosphate fertilizer manufacturing facilities
Part 418, Subpart A
that comes into contact with any raw materials, finished
product, byproducts or waste products (SIC 2874)
Runoff from asphalt emulsion facilities
Part 443, Subpart A
Runoff from material storage piles at cement
Part 411, Subpart C
manufacturing facilties
Mine dewatering discharges at crushed stone,
Part 436, Subparts B,
construction sand and gravel, or industrial sand mining
C, and D
facilities
Runoff from hazardous waste and non -hazardous waste
Part 445, Subparts A
landfills
and B
Runoff from coal storage piles at steam electric
Part 423
generating facilities
Runoff containing urea from airfield pavement deicing at
Part 449
existing and new primary airports with 1,000 or more
annual non -propeller aircraft departures
Item 7.4. In Table B, list all pollutants that are limited in an ELG to
which the facility is subject and all pollutants listed in the facility's
NPDES permit for its process wastewater (if the facility is operating
under an existing NPDES permit) and provide quantitative data for
each pollutant (provide actual data for existing dischargers and
estimated data for new sources and new dischargers). If a pollutant
in Exhibits 2F-2 or 2F-3 is indirectly limited by an ELG through an
indicator (e.g., use of total suspended solids as an indicator to
control the discharge of iron and aluminum), you must provide data
for the pollutant in Table B. Complete one table for each outfall.
Answer "Yes" to Item 7.4 once you have completed this task.
2F-3

FORM 2F—INSTRUCTIONS CONTINUED
Item 7.5 and Table C. Table C requires you to address the
pollutants in Exhibits 2F-2, 2F-3, and 2F-4 for each outfall.
Pollutants in each of these exhibits are addressed differently.
Indicate whether you know or have reason to believe any pollutants
in Exhibit 2F-2 are present in the discharge. If yes, continue to Item
7.6. If no, skip to Item 7.7.
Item 7.6. For each ouffall, list all pollutants in Exhibit 2F-2 that you
know or have reason to believe are present in the discharge in
Table C (except pollutants previously listed in Table B that are
limited directly or indirectly by an ELG) and either report quantitative
data or briefly describe the reasons the pollutant is expected to be
discharged. Answer Yes" to Item 7.6 once you have completed this
task.
Item 7.7. This item asks if you qualify as a "small business." If so,
you are exempt from the reporting requirements for the organic toxic
pollutants listed in Exhibit 2F-3.
You can qualify as a small business in two ways: (1) If your facility is
a coal mine and if your probable total annual production is less than
100,000 tons per year, you may submit past production data or
estimated future production (such as a schedule of estimated total
production under 30 CFR 795.14(c)) instead of conducting analyses
for the organic toxic pollutants; (2) If your facility is not a coal mine
and if your gross total annual sales for the most recent three years
average less than $100,000 per year (in second quarter 1980
dollars), you may submit sales data for those years instead of
conducting analyses for the organic toxic pollutants. The production
or sales data must be for the facility that is the source of the
discharge. The data should not be limited to production or sales for
the process or processes that contribute to the discharge, unless
those are the only processes at your facility. For sales data, in
situations involving infra -corporate transfer of goods and services,
the transfer price per unit should approximate market prices for
those goods and services as closely as possible. Sales figures for
years after 1980 should be indexed to the second quarter of 1980 by
using the gross national product price deflator (second quarter of
1980 =100). This index is available online from the U.S. Department
of Commerce, Bureau of Economic Analysis at
hfto://www.bea.ciovinafional/pdf/SNTables.pd.
If you qualify as a small business according to the criteria above,
answer "Yes" to Item 7.7 and skip to Item 7.18.Otherwise, answer
"No" and continue to Item 7.8.
Item 7.8. Indicate whether you know or have reason to believe any
pollutants in Exhibit 2F-3 are present in the discharge. If yes,
continue to Item 7.9. If no, skip to Item 7.10.
Item 7.9. For each outfall, list all pollutants in Exhibit 2F-3 that you
know or have reason to believe are present in the discharge in
Table C (except pollutants previously listed in Table B). Answer
"Yes" to Item 7.9 once you have completed this task.
Item 7.10. Indicate whether you expect any of the pollutants from
Exhibit 2F-3 to be discharged in concentrations of 10 parts per
billion (ppb) or greater. If yes, continue to Item 7.11. If no, skip to
Item 7.12.
Item 7.11. Provide quantitative data in Table C for those pollutants
in Exhibit 2F-3 that you expect to be discharged in concentrations
of 10 ppb or greater (provide actual data for existing dischargers
and estimated data for new sources and new dischargers). Answer
"Yes" to Item 7.11 once you have completed this task.
Item 7.12. Indicate whether you expect acrolein, acrylonitrile, 2,4-
dinitrophenol, or 2-methyl-4,6-dinitrophenol to be discharged in
concentrations of 100 ppb or greater. If yes, continue to Item 7.13.
If no, skip to Item 7.14.
Item 7.13. Provide quantitative data in Table C for the pollutants
identified in Item 7.12 that you expect to be discharged in
concentrations of 100 ppb or greater (provide actual data for
existing dischargers and estimated data for new sources and new
dischargers). Answer "Yes" to Item 7.13 once you have completed
this task.
Item 7.14. For any pollutants you expect to be present in the
discharge at concentrations less than 10 ppb (or less than 100 ppb
for the above four pollutants), either submit quantitative data or
briefly describe the reasons the pollutant is expected to be
discharged in Table C. Answer "Yes" to Item 7.14 once you have
completed this task.
Rem 7.15. Indicate whether you know or have reason to believe
any pollutants in Exhibit 2F4 are present in the discharge. If yes,
continue to Item 7.16. If no, skip to Item 7.17.
Item 7.16. For each ouffall, list any pollutant in Exhibit 2F-4 that
you know or believe to be present in the discharge in Table C and
explain why you believe it to be present. No analysis is required,
but if you have analytical data, you must report it. Answer "Yes" to
Item 7.16 once you have completed this task.
Note: Under40 CFR 117.12(a)(2), certain discharges of hazardous
substances (listed in Exhibit 2F5) may be exempted from the requirements of
CWA section 311, which establishes reporting requirements, WI penalties,
and liability for cleanup costs for spills of oil and hazardous substances. A
discharge of a particular substance can be exempted if the origin, source, and
amount of the discharged substances are identified in the NPDES permit
application or in the permit, if the permit contains a requirement for treatment
of the discharge, and if the treatment is in place. If you would Ike to apply for
an exemption from the requirements of CWA Section 311. attach additional
sheets of paper to your application, setting forth the following information:
1. The substance and the amount of each substance that might be
discharged.
2. The origin and source of the discharge of the substance.
3. The treatment to be provided for the discharge by:
a. An onsile treatment system separate from any treatment system
treating your normal discharge;
b. A treatment system designed to treat your normal discharge and that
is additionally capable of treating the amount of the substance
identified under paragraph 1 above; or
c. Any combination of the above.
See 40 CFR 117.12(a)(2) and (c) or contact your NPDES pernitting authority
for further information on exclusions from CWA section 311.
Item 7.17 and Table D. Provide data for the storm event(s) that
resulted in the maximum daily discharges for the flow weighted
composite sample in Table D. If sampling is conducted during more
than one storm event, you only need to report the information
2F-4

FORM 2F—INSTRUCTIONS CONTINUED
requested on Table D for the storm event(s) that resulted in any
maximum pollutant concentration reported on Tables A through C.
Provide flow measurements or estimates of the flow rate, as well as
the total amount of discharge for the storm event(s) sampled, the
method of flow measurement, or estimation. Provide the data and
duration of the storm event(s) sampled, rainfall measurements, or
estimates of the storm event that generated the sampled runoff and
the duration between the storm event sampled and the end of the
previous measurable (greater than 0.1 inch rainfall) storm event.
Answer "Yes" to Item 7.17 once you have completed this task.
Used or Manufactured Toxics
Item 7.18. Review Exhibits 2F-2 through 2F-4 and determine if you
currently use or manufacture any of the pollutants listed as
intermediate or final products or byproducts. If so, answer "Yes."
You should also answer "Yes" if you know or have reason to
believe that 2,3,7,8-tetrachloro-dibenzo-p-dioxin (TCDD) is
discharged or if you use or manufacture 2,4,5-tdchlorphenoxy
acetic acid (2,4,5-T); 2-(2,4,5-tdchlorophenoxy) propanoic acid
(Silvex, 2,4,5-TP); 2-(2,4,5-tdchlorophenoxy) ethyl, 2,2-
dichloropropionate (Erbon); 0,0-dimethyl 0-(2,4,5-bichlorphenyl)
phosphorothioate (Ronnel); 2,4,5-tdchlorophenol (TCP); or
hexachlorophene (HCP). If your answer to Item 7.18 is "No," skip to
Section 8.
Item 7.19. List all of the toxic pollutants identified under Item 7.18,
including TCDD. Note that the NPDES permitting authority may
waive or modify the requirement if you demonstrate that it would be
unduly burdensome to identify each toxic pollutant and the NPDES
permitting authority has adequate information to issue your permit.
You may not claim any information submitted in response to Item
7.18 as confidential; however, you do not have to distinguish
between use or production of the pollutants or list the amounts.
Section 8. Biological Toxicity Testing Data
Item 8.1. Answer whether you know of or have reason to believe
that biological toxicity testing has been conducted of your
wastewater treatment, including engineering reports or pilot plant
studies. If no, skip to Section 9.Otherwise, continue.
Item 8.2. List any tests of which you are aware and their purposes.
Section 9. Contract Analysis Information
Item 9.1. Indicate if any of the analyses performed in Section 7
were performed by a contract laboratory or consulting firm. If no,
skip to Section 10. If yes, continue to Item 9.2.
Item 9.2. Provide the name, address, phone number, and pollutants
analyzed by the laboratory or consulting firm(s) in the spaces
provided.
Section 10. Checklist and Certification Statement
Item 10.1. Review the checklist provided on the application. In
Column 1, mark the sections of Form 2F that you have completed
and are submitting with your application. For each section in
Column 2, indicate whether you are submitting attachments.
Item 10.2. The Clean Water Act (CWA) provides for severe
penalties for submitting false information on this application form.
Section 309(c)(2) of the CWA provides that, "Any person who
knowingly makes any false material statement, representation, or
certification in any application, ...shall upon conviction be punished
by a fine of not more than $10,000 or by imprisonment for not more
than six months or both."
FEDERAL REGULATIONS AT 40 CFR 122.22 REQUIRE THIS
APPLICATION TO BE SIGNED AS FOLLOWS:
A. For a corporation, by a responsible corporate officer. For the
purpose of this section, a responsible corporate officer means:
(1) a president, secretary, treasurer, or vice-president of the
corporation in charge of a principal business function, or any
other person who performs similar policy- or decision -making
functions for the corporation, or (2) the manager of one or
more manufacturing, production, or operating facilities,
provided the manager is authorized to make management
decisions which govern the operation of the regulated facility
including having the explicit or implicit duty of making major
capital investment recommendations, and initiating and
directing other comprehensive measures to assure long term
environmental compliance with environmental laws and
regulations; the manager can ensure that the necessary
systems are established or actions taken to gather complete
and accurate information for permit application requirements;
and where authority to sign documents has been assigned or
delegated to the manager in accordance with corporate
procedures.
B. For a partnership or sole proprietorship, by a general partner
or the proprietor, respectively.
C. For a municipality, state, federal, or other public facility, by
either a principal executive officer or ranking elected official.
For purposes of this section, a principal executive officer of a
federal agency includes: (1) The chief executive officer of the
agency, or (2) a senior executive officer having responsibility
for the overall operations of a principal geographic unit of the
agency (e.g., Regional Administrators of EPA).
END
Submit your completed Form 1, Form 2F, and
all associated attachments
(and any other required NPDES application forms)
to your NPDES permitting authority.
2F-5

I General Instructions for Reporting, Sampling, and Analysis I
Important note: Read these instructions before completing Tables
A through C and Section 7 of Form 2F.
General Items
Complete the applicable tables for each outfall at your facility. Be
sure to note the EPA Identification Number, NPDES permit
number, facility name, and applicable outfall number at the top of
each table page and any associated attachments.
You may report some or all of the required data by attaching
separate sheets of paper instead of completing Tables A through C
for each of your outfalls so long as the sheets contain all of the
required information and are similar in format to Tables A through
C. For example, you may be able to print a report in a compatible
format from the data system used in your gas chromatography/
mass spectrometry (GC/MS) analysis completed under Table B.
If you are an existing discharger, you are required to report actual
quantitative data. See "Use of Historic Data" below for use of
historic data. If you are a new source or discharge, you may supply
estimated data along with the source of each estimate. If you have
quantitative data available, however, you must provide it. Base
estimates on available, in-house or contractor engineering reports,
or any other studies performed on the proposed facility. Use the
following codes to report your source information in the "Source of
Information" column:
Data Source
Code
1
-Engineeringreports
Actual data from pilot plants
1
Estimates from other engineering
reports
2
Data from other similar plants
3
Best professional estimates
4
Others
5 and specify on
the table
No later than 24 months after your facility commences to
discharge, you must complete and submit sampling and analysis
data for the pollutants and parameters in Tables A through C.
However, you need not report results for tests you have already
performed and reported under the discharge monitoring
requirements of your NPDES permit.
Table A requires you to report at least one analysis for each
pollutant listed. Tables B and C require you to report analytical data
in two ways. For some pollutants addressed in Tables B and C, if
you know or have reason to know that the pollutant is present in
your discharge, you may be required to list the pollutant and test
(sample and analyze) and report the levels of the pollutants in your
discharge. For all other pollutants addressed in Tables B and C,
you must list the pollutant if you know or have reason to know that
the pollutant is present in the discharge, and either report
quantitative data for the pollutant or briefly describe the reasons
the pollutant is expected to be discharged. (See Items 7.2 through
7.17 of the instructions for completing Tables A through C.). Base
your determination that a pollutant islw➢il be present in your
discharge on your knowledge of the facility's raw materials,
material management practices, maintenance chemicals, history of
spills and releases, intermediate and final products and
byproducts, and any previous analyses known to you of your
effluent or similar effluent.
Sampling
The collection of the samples for the reported analyses should be
supervised by a person experienced in performing sampling of
industrial wastewater or stormwater discharges. You may contact
your NPDES permitting authority for detailed guidance on sampling
techniques and for answers to specific questions. See Exhibit 1-1 of
Form 1 for contact information. Any specific requirements in the
analytical methods for example, sample containers, sample
preservation, holding times, and the collection of duplicate
samples —must be followed.
The time when you sample should be representative of your normal
operation, to the extent feasible, with all processes that contribute
wastewater in normal operation, and with your treatment system
operating properly with no system upsets. Collect samples from the
center of the flow channel, where turbulence is at a maximum, at a
site specified in your present NPDES permit, or at any site adequate
for the collection of a representative sample.
Grab samples must be taken in the first 30 minutes of discharge (or
as soon thereafter as practicable) for pH, temperature, cyanide, total
phenols, residual chlorine, oil and grease, fecal coliform (including
E. colt) and enterococci (previously known as fecal streptococcus at
40 CFR 122.26(d)(2)(iii)(A)(3)), and volatile organic compounds.
You are not required to analyze a flow -weighted composite for these
parameters.
For all other pollutants, both a grab sample collected during the first
30 minutes (or as soon thereafter as practicable) of the discharge
and a flow -weighted composite sample must be analyzed. However,
a minimum of one grab sample may be taken for effluents from
holding ponds or other impoundments with a retention period of
greater than 24 hours.
All samples must be collected from the discharge resulting from a
storm event that is greater than 0.1 inches and at least 72 hours
from the previously measurable (greater than 0.1 inch rainfall) storm
event. Where feasible, the variance in the duration of the event and
the total rainfall of the event should not exceed 50 percent from the
average or median rainfall event in that area.
A grab sample must be taken during the first 30 minutes of the
discharge (or as soon thereafter as practicable), and a flow -
weighted composite must be taken for the entire event or for the first
three hours of the event.
Grab and composite samples are defined as follows:
Grab sample: An individual sample of at least 100 milliliters
collected during the first 30 minutes (or as soon thereafter as
practicable) of the discharge. This sample is to be analyzed
separately from the composite sample.
Flow -weighted composite sample: A flow -weighted composite
sample may be taken with a continuous sampler that proportions the
amount of sample collected with the flow rate or as a combination of
a minimum of three sample aliquots taken in each hour of discharge
2F-6

I General Instructions for Rersortina. Samnlina. and Analysis Continued I
for the entire event or for the first three hours of the event, with
each aliquot being at least 100 milliliters and collected with a
minimum period of 15 minutes between aliquot collections. The
composite must be flow proportional; the time interval between
either each aliquot or the volume of each aliquot must be
proportional to either the stream (effluent) flow at the time of
sampling or the total stream (effluent) flow since the collection of
the previous aliquot. Aliquots may be collected manually or
automatically. Where GC/MS volatile organic analysis is required,
aliquots must be combined in the laboratory immediately before
analysis. Only one analysis for the composite sample is required.
Use of Historical Data
Existing data may be used, if available, in lieu of sampling
conducted solely for the purposes of this application, provided it is
representative of the present discharge and was collected within
3 years of the application due date. If you sample for a listed
pollutant on a monthly or more frequent basis, summarize the data
collected within one year of the application for the pollutant(s) at
issue.
Among the factors that would cause the data to be
unrepresentative are significant changes in production level;
changes in raw materials, processes, or final products; and
changes in stormwater treatment. The NPDES permitting authority
may request additional information, including current quantitative
data, if they determine it to be necessary to assess your
discharges. The NPDES permitting authority may allow or establish
appropriate site -specific sampling procedures or requirements
including sampling locations, the season in which the sampling
takes place, the minimum duration between the previous
measurable storm event and the storm event sampled, the
minimum or maximum level of precipitation required for an
appropriate storm event, the form of precipitation sampled (snow
melt or rainfall), protocols for collecting samples under 40 CFR 136,
and additional time for submitting data on a case -by -case basis.
Reporting
Report sampling results for all pollutants in Tables A through C as
concentration and mass, with the exception of flow, temperature,
pH, color, and fecal coliform organisms.
Flow, temperature, pH, color, and fecal coliform organisms must
be reported as million gallons per day (mgd), degrees Celsius
(°C), standard units, color units, and most probable number per
100 milliliters (MPN1100 mQ, respectively. Use the following
abbreviations in the columns requiring "units" in Tables A through
C.
Concentration
Mass
m = parts permillion
Ibs = pounds
1L = milligrams per liter
ton = tons (English tons
b = parts per billion
mg = milligrams
1L = micrograms per liter
g = grams
MPN = most probable number per
100 milliliters
kg = kilograms
T = tonnes metric tons
All reporting of values for metals must be in terms of "total
recoverable metal" unless:
• An applicable, promulgated ELG specifies the limitation for the
metal in dissolved, valent, or total form;
• All approved analytical methods for the metal inherently
measure only its dissolved form (e.g., hexavalent chromium);
or
• The NPDES permitting authority has determined that in
establishing case -by -case limitations it is necessary to express
the limitations of the metal in dissolved, valent, or total form to
cant' out the provisions of the CWA.
If you measure only one grab sample and one flow -weighted
composite sample for a given outfall, complete only the "Maximum
Daily Discharge" columns in the tables and enter 01" in the "Number
of Storm Events Sampled" column. The NPDES permitting authority
may require you to conduct additional analyses to further
characterize your discharges.
If you measure more than one value for a grab sample or a flow -
weighted composite sample for a given outfall and those values are
representative of your discharge, you must report them. You must
describe your method of testing and analysis.
The "Average Daily Discharge" column on Tables A to C is not
compulsory but should be filled out if data are available. To
complete the "Average Daily Discharge" column, determine the
average of all values within the last year and report the
concentration and mass. Report the total number of storm events
sampled under the "Number of Storm Events Sampled" column.
Substantially Identical Outfalls
If you have two or more substantially identical outfalls, you may
request permission from your NPDES permitting authority to sample
and analyze only one outfall and submit the results of the analysis
for all substantially identical outfalls. If your request is granted,
submit the following information on a separate sheet attached to the
application form: the identity of the outfall you did test and an
explanation of how it is substantially identical to the outfall(s) that
you did not test.
Analysis
Except as specified below, all required quantitative data shall be
collected in accordance with sufficiently sensitive analytical methods
approved under 40 CFR 136 or required under 40 CFR chapter I,
subchapter N or 0. A method is "sufficiently sensitive" when:
• The method minimum level (ML) is at or below the level of the
applicable water quality criterion for the measured pollutant or
pollutant parameter.
• The method ML is above the water quality criterion, but the
amount of the pollutant or pollutant parameter in the facility's
discharge is high enough that the method detects and
quantifies the level of the pollutant or pollutant parameter in the
discharge.
2F-7

General Instructions for Reporting, Sampling, and Analysis Continued
• The method has the lowest ML of the analytical methods
select a different method from the remaining EPA -approved
approved under 40 CFR 136 or required under 40 CFR
methods that is sufficiently sensitive consistent with 40 CFR
chapter I, subchapter N or 0, for the measured pollutant or
122.21(e)(3)(1). Where no other EPA -approved methods exist, you
pollutant parameter.
must select a method consistent with 40 CFR 122.21(e)(3)(ii).
Consistent with 40 CFR 136, you may provide matrix- or sample-
When there is no analytical method that has been approved under
specific MLs rather than the published levels. Further, where you
40 CFR 136; required under 40 CFR chapter I, subchapter N or 0,
can demonstrate that, despite a good faith effort to use a method
and is not otherwise required by the NPDES permitting authority,
that would otherwise meet the definition of "sufficiently sensitive,"
you may use any suitable method but shall provide a description of
the analytical results are not consistent with the quality assurance
the method. When selecting a suitable method, other factors such
(QA)Iquality control (QC) specifications for that method, then the
as a method's precision, accuracy, or resolution, may be considered
NPDES permitting authority may determine that the method is not
when assessing the performance of the method.
performing adequately and the NPDES permitting authority should
2F-8

Exhibit 2F-1. Codes for Treatment Units and Disposal of Wastes Not Discharged
1 A.................Ammonia stripping
1-13 ................. Dialysis
1—C ................Diatomaceous earth filtration
1—D ................Distillation
1—E................. Electrodialysis
1—F................. Evaporation
1—G ................ Flocculation
1—H ................Flotation
1-1..................Foam fractionation
1—J ................. Freezing
1—K.................Gas-phase separation
1—L.................Grinding (comminutors)
2 A ................. Carbon adsorption
2-13 ................. Chemical oxidation
2—C
................Chemical precipitation
2—D
................Coagulation
2—E................. Dechlorination
2—F................. Disinfection (chlorine)
3—A.................Activated sludge
3-13 .................Aerated lagoons
3—C ................Anaerobic treatment
3—D ................Nitrification—denitrification
PHYSICAL TREATMENT PROCESSES
1—M................
Grit removal
1—N ................
Microstraining
1-0................
Mixing
1—P ................
Moving bed filters
1—Q................
Multimedia filtration
1—R................
Rapid sand filtration
1—S ................
Reverse osmosis (hyperfiltration)
1—T ................
Screening
1—U ................
Sedimentation (seitling)
1 V ................
Slow sand filtration
1—W ...............
Solvent extraction
14 ................
Sorption
2. CHEMICAL TREATMENT PROCESSES
2—G................
Disinfection (ozone)
2—H ................
Disinfection (other)
2—I..................
Electrochemical treatment
2—J.................Ion
exchange
2—K ................
Neutralization
2—L.................
Reduction
3. BIOLOGICAL TREATMENT PROCESSES
3—E ................ Pre -aeration
3—F ................ Spray irrigationlland application
3—G................ Stabilization ponds
3—H ................ Trickling filtration
4. WASTEWATER DISPOSAL PROCESSES
4—A................. Discharge to surface Water 4—C ................ Reuse/recycle of treated effluent
4-13 .................Ocean discharge through outfall 4—D ................ Underground injection
5. SLUDGE TREATMENT AND DISPOSAL PROCESSES
5—A.................Aerobic
digestion
5-13 .................Anaerobic
digestion
5—C ................
Belt filtration
5—D ................Centrifugation
5—E.................Chemical
conditioning
5—F.................Chlorine
treatment
5—G ................
Composting
5—H ................
Drying beds
5-1..................
Elutriation
5—J .................Flotation
thickening
5—K.................
Freezing
5—L.................Gravity
thickening
5—M................
Heat drying
5—N ................
Heat treatment
5-0 ................
Incineration
5—P ................
Land application
5—Q................
Landfill
5—R................
Pressure filtration
5—S ................
Pyrolysis
5—T ................
Sludge lagoons
5—U ................
Vacuum filtration
5—V ................
Vibration
5—W ...............
Wet oxidation
2F-9

Exhibit 2F-2. Conventional and Nonconventional Pollutants (40 CFR 122.21, Appendix D, Table IV)
Bromide
Chlorine, total residual
Color
Fecal coliform
Fluoride
Nitrate -nitrite
Nitrogen, total organic (as N)
Oil and grease
Phosphorus (as P), total
Radioactivity (as alpha, total; beta, total; radium, total; and radium 226, total)
Sulfate (as SO4)
Sulfide (as S)
Sulfite (as SO3)
Surfactants
Aluminum, total
Barium, total
Boron, total
Cobalt, total
Iron, total
Magnesium, total
Molybdenum, total
Manganese, total
Tin, total
Titanium, total
2F-10

Exhibit 2F-3. Toxic Pollutants (40 CFR 122.21, Appendix D, Tables II and III)
Toxic Pollutants and Total Phenol
Antimony, total
Copper, total
Silver, total
Arsenic, total
Lead, total
Thallium, total
Beryllium, total
Mercury, total
Zinc, total
Cadmium, total
Nickel, total
Cyanide, total
Chromium, total
Selenium, total
Phenols, total
GCIMS Fraction —Volatile Compounds
Acrolein
Dichlorobromomethane
1,1,2,2-tetrachloroethane
Acrylonitrile
1,1-dichloroethane
Tetrachloroethylene
Benzene
1,2-dichloroethane
Toluene
Bromoform
1,1-dichloroethylene
1,2-trans-dichloroethylene
Carbon tetrachloride
1,2-dichloropropane
1,1,1-tdchloroethane
Chlorobenzene
1,3-dichloropropylene
1,1,2-trichloroethane
Chlorodibromomethane
Ethylbenzene
Trichloroethylene
Chloroethane
Methyl bromide
Vinyl chloride
2-Chloroethylvinyl ether
Methyl chloride
Chloroform
Methylene chloride
GCIMS Fraction —Acid Compounds
2-chlorophenol
2,4-dinitrophenol
Pentachlorophenol
2,4-dichlorophenol
2-nitrophenol
Phenol
2,4-dimethylphenol
4-nitrophenol
2,4,6-tdchlorophenol
4,6-dinitro-o-cresol
P-chloro-m-cresol
GCIMS Fraction—Base/Neutral Compounds
Acenaphthene
4-chlorophenyl phenyl ether
Hexachlorobenzene
Acenaphthylene
Chrysene
Hexachlorobutadiene
Anthracene
Dibenzo (a,h) anthracene
Hexachlorocyclopentadiene
Benzidine
1,2-dichlorobenzene
Hexachloroethane
Benzo (a) anthracene
1,3-dichlorobenzene
Indeno (1,2,3-cd) pyrene
Benzo (a) pyrene
1,4-dichlorobenzene
Isophorone
3,4-benzofluoranthene
3,3-dichlorobenzidine
Naphthalene
Benzo (ghi) perylene
Diethyl phthalate
Nitrobenzene
Benzo (k) fluoranthene
Dimethyl phthalate
N-nitrosodimethylamine
Bis (2-chloroethoxy) methane
Di-n-butyl phthalate
N-nitrosodi-n-propylamine
Bis (2-chloroethyl) ether
2,4-dinitrotoluene
N-nitrosodiphenylamine
Bis (2-chloroisopropyl) ether
2,6-dinitrotoluene
Phenanthrene
Bis (2-ethylhexyl) phthalate
Di-n-octyl phthalate
Pyrene
4-bromophenyl phenyl ether
1,2-diphenylhydrazine (as azobenzene)
1,2,4-tichlorobenzene
Butyl benzyl phthalate
Fluoranthene
2-chloronaphthalene
Fluorene
GCIMS Fraction —Pesticides
Aldrin
Dieldrin
PCB-1254
a-BHC
a-endosulfan
PCB-1221
R-BHC
Q-endosulfan
PCB-1232
y-BHC
Endosulfan sulfate
PCB-1248
6-BHC
Endrin
PCB-1260
Chlordane
Endrin aldehyde
PCB-1016
4,4'-DDT
Heptachlor
Toxaphene
4,4'-DDE
Heptachlor epoxide
4,4'-DDD
PCB-1242
2F-11

Exhibit 2F-4. Certain Hazardous Substances and Asbestos (40 CFR 122.21, Appendix D, Table V)
Asbestos
Acetaldehyde
Al yl alcohol
Aliyl chloride
Amyl acetate
Aniline
Benzonitrile
Benzyl chloride
Butyl acetate
Butylamine
Caplan
Carbaryl
Carbofuran
Carbon disulfide
Chlorpyrifos
Coumaphos
Cresol
Crotonaldehyde
Cyclohexane
2,4-D (2,4-dichlorophenoxyacetic acid)
Diazinon
Dicamba
Dichlobenil
Dichlone
2,2-dichloropropionic acid
Dichlorvos
Diethyl amine
Dimethyl amine
Toxic Pollutant
Hazardous Substances
Dintrobenzene
Naphthenic acid
Diquat
Nitrotoluene
Disulfoton
Parathion
Diuron
Phenolsulfonate
Epichlorohydrin
Phosgene
Ethion
Propargite
Ethylene diamine
Propylene oxide
Ethylene dibromide
Pyrethrins
Formaldehyde
Quinoline
Furfural
Resorcinol
Guthion
Strontium
Isoprene
Strychnine
Isopropanolamine
Styrene
Kelthane
2,4,5-T (2,4,5-tdchlorophenoxyacetic
acid)
Kepone
TDE (tetrachlorodiphenyl ethane)
Malathion
2,4,5-TP [2-(2,4,5-tdchlorophenoxy)
propanoic acid]
Mercaptodimethur
Trichlorofon
Methoxychlor
Triethanolamine
Methyl mercaptan
Triethylamine
Methyl methacrylate
Trimethylamine
Methyl parathion
Uranium
Mevinphos
Vanadium
Mexacarbate
Vinyl acetate
Monoethyl amine
Xylene
Monomethyl amine
Xylenol
Naled
Zirconium
2F-12

1. Acetaldehyde
2. Acetic acid
3. Acetic anhydride
4. Acetone cyanohydrin
5. Acetyl bromide
6. Acetyl chloride
7. Acrolein
8. Acrylonitrile
9. Adipic acid
10. Aldrin
11. Allyl alcohol
12. Ally! chloride
13. Aluminum sulfate
14. Ammonia
15. Ammonium acetate
16. Ammonium benzoate
17. Ammonium bicarbonate
18. Ammonium bichromate
19. Ammonium bifluoride
20. Ammonium bisulfite
21. Ammonium carbomate
22. Ammonium carbonate
23. Ammonium chloride
24. Ammonium chromate
25. Ammonium citrate
26. Ammonium fluoroborate
27. Ammonium fluoride
28. Ammonium hydroxide
29. Ammonium oxalate
30. Ammonium silioofluoride
31. Ammonium sulfamate
32. Ammonium sulfide
33. Ammonium sulfite
34. Ammonium tartrate
35. Ammonium thiocyanate
36. Ammonium thiosulfate
37. Amyl acetate
38. Aniline
39. Antimony pentachlodde
40. Antimony potassium tartrate
41. Antimony tribromide
42. Antimony tichloride
43. Antimony trifluodde
44. Antimony trioxide
45. Arsenic disulfide
46. Arsenic pentoxide
47. Arsenic trichlodde
48. Arsenic trioxide
49. Arsenic tsulfide
50. Barium cyanide
51. Benzene
52. Benzoic add
53. Benzonitrile
54. Benzoyl chloride
55. Benzyl chloride
56. Beryllium chloride
57. Beryllium fluoride
58. Beryllium nitrate
59. Butylacetate
60. n-butylphthalate
61. Butylamine
62. Butyric add
63. Cadmium acetate
64. Cadmium bromide
65. Cadmium chloride
66. Calcium arsenate
67. Calcium arsenite
68. Calcium carbide
69. Calcium chromate
70. Calcium cyanide
71. Calcium dodecylbenzenesulfonate
72. Calcium hypochlorite
Exhibit 2F-5. Hazardous Substances
73. Captan
74. Carbaryl
75. Carbofuran
76. Carbon disulfide
77. Carbon tetrachloride
78. Chlordane
79. Chlorine
80. Chlorobenzene
81. Chloroform
82. Chloropyrifos
83. Chlorosulfonic add
84. Chromic acetate
85. Chromic acid
86. Chromic sulfate
87. Chromous chloride
88. Cobaltous bromide
89. Cobaltous formate
90. Cobaltous sulfamate
91. Coumaphos
92. Cresol
93. Crotonaldehyde
94. Cupric acetate
95. Cupric aoetoarsenite
96. Cupric chloride
97. Cupric nitrate
98. Cupric oxalate
99. Cupric sulfate
100. Cupric sulfate ammoniated
101. Cupric tartrate
102. Cyanogen chloride
103. Cydohexane
104.2,4-D acid (2,4-dichlorophenoxyacetic add)
105. 2,4-D esters (2,4-dichlorophenoxyacetic add esters)
106. DDT
107. Diazinon
108. Dicamba
109. Dichlobenil
110. Dichlone
111. Dichlorobenzene
112. Dichloropropane
113. Dichloropropene
114. Dichloropropene-dichloproropane mix
115.2,2-dichloropropionic acid
116. Dichlorvos
117. Dieldrin
118. Diethylamine
119. Dimethylemine
120. Dinitrobenzene
121. Dinitrophenol
122. Dinitrotoluene
123. Diquat
124. Disulfoton
125. Diuron
126. Dodecylbenzesulfortic acid
127. Endosulfan
128. Enddn
129. Epichlorohydrin
130. Ethion
131. Ethylbenzene
132. Ethylenediamine
133. Ethylene dibromide
134. Ethylene dichloride
135. Ethylene diaminetetracetic add (EDTA)
136. Ferric ammonium citrate
137. Ferric ammonium oxalate
138. Ferric chloride
139. Ferric fluoride
140. Ferric nitrate
141. Ferric sulfate
142. Ferrous ammonium sulfate
143. Ferrous chloride
144. Ferrous sulfate
145. Formaldehyde
146. Formic add
147. Fumaric add
148. Furiural
149. Guthion
150. Heptachlor
151. Hexachlorocydopentadiene
152. Hydrochloric add
153. Hydrofluoric add
154. Hydrogen cyanide
155. Hydrogen sulfide
156. Isoprene
157. Isopropanclamine dodecylbenzenesuifonate
158. Kelthane
159. Kepone
160. Lead acetate
161. Lead arsenate
162. Lead chloride
163. Lead fluoborate
164. Lead fluorite
165. Lead iodide
166. Lead nitrate
167. Lead stearate
168. Lead sulfate
169. Lead sulfide
170. Lead thiocyanate
171. Lindane
172. Lithium chromate
173. Malathion
174. Maleic acid
175. Maleic anhydride
176. Mercaptodimethur
177. Mercuric cyanide
178. Mercuric nitrate
179. Mercuric sulfate
180. Mercuric thiocyanate
181. Mercurous nitrate
182. Methoxychlor
183. Methyl mercaptan
184. Methyl methacrylate
185. Methyl parathion
186. Mevinphos
187. Mexacarbate
188. Monoethylamine
189. Monomethylamine
190. Naled
191. Naphthalene
192. Naphthenic acid
193. Nickel ammonium sulfate
194. Nickel chloride
195. Nickel hydroxide
196. Nickel nitrate
197. Nickel sulfate
198. Nitric add
199. Nitrobenzene
200. Nitrogen dioxide
201. Nitrophenol
202. Nitrotoluene
203. Paraformaldehyde
204. Parathion
205. Pentachlorophenol
206. Phenol
207. Phosgene
208. Phosphoric add
209. Phosphorus
210. Phosphorus oxychlodde
211. Phosphorus pentasuifide
212. Phosphorus tichloride
213. Polychlorinated biphenyls (PCB)
214. Potassium arsenate
215. Potassium arsenite
2F-13

Exhibit 2F-5. Hazardous Substances
216. Potassium bichromate
245. Sodium phosphate (dibasic)
271. Uranyl acetate
217. Potassium chromate
246. Sodium phosphate (tribasic)
272. Uranyl nitrate
218. Potassium cyanide
247. Sodium selenite
273. Vanadium penoxide
219. Potassium hydroxide
248. Strontium chromate
274. Vanadyl sulfate
220. Potassium permanganate
249. Strychnine
275. Vinyl acetate
221. Propargite
250. Styrene
276. Vinylidene chloride
222. Propionic acid
251. Sulfuric add
277. Xylene
223. Propionic anhydride
252. Sulfur monochlodde
278. Xylenol
224. Propylene oxide
253. 2,4,5-T add (2,4,5-bichlorophenoxyacetic add)
279. Zinc acetate
225. Pyrethrins
254.2,4,5-T amines (2,4,5-trichlorophenoxy acetic acid
280. Zinc ammonium chloride
226. Quinoline
amines)
281. Zinc borate
227. Resorcinol
255.2,4,5-T esters (2,4,5-trichlorophenoxy acetic acid
282. Zinc bromide
228. Selenium oxide
esters)
283. Zinc carbonate
229. Silver nitrate
256. 2,4,5-T salts (2,4,5-bichlorophenoxy acetic acid
284. Zinc chloride
230. Sodium
salts)
285. Zinc cyanide
231. Sodium arsenate
257. 2,4,5-TP add (2,4,5-bichlorophenoxy propanoic
286. Zinc fluoride
232. Sodium arsenate
acid)
287. Zinc formate
233. Sodium bichromate
258. 2,4,5-TP acid esters (2,4,5-tdchlorophenoxy
288. Zinc hydrosulfrte
234. Sodium bifluoride
propanoic add esters)
289. Zinc nitrate
235. Sodium bisulfite
259. ME (tetrachlorodiphenyl ethane)
290. Zinc phenolsulfonate
236. Sodium chromate
260. Tetraethyl lead
291. Zinc phosphide
237. Sodium cyanide
261. Tetraethyl pyrophosphate
292. Zinc silicofluoride
238. Sodium dodecylbenzenesulfonate
262. Thallium sulfate
293. Zinc sulfate
239. Sodium fluoride
263. Toluene
294. Zirconium nitrate
240. Sodium hydrosulflde
264. Toxaphene
295. Zirconium potassium fluoride
241. Sodium hydroxide
265. Trichlorofon
296. Zirconium sulfate
242. Sodium hypochlorite
266. Trichloroethylene
297. Zirconium tetrachloride
243. Sodium methylate
267. Trichlorophenol
244. Sodium nitrite
268. Triethanolamine dodecylbenzenesulfonate
269. Triethylamine
270. Trimethylamine
2F-14

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03105/19
NCD043678929 NCO004774 Buck Combined Cycle OMB No. 2040-0004
Form U.S Environmental Protection Agency
2F "EPA Application for NPDES Permit to Discharge Wastewater
NPDES STORMWATER DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY
�7 1.1 Provide information on each of the facili s outfalls in the table below
04ft !
Iecenng 1Nater Name Latitude Longitude
Number..:
001CC Yadkin River 35° 4230 N 80° 22' 40" W
s0
�- 075 Yadkin River 350 42' 49" N 800 22 22" W
a:
SECTION
•'• 41 s •
_ 2.1 Are you presently required by any federal, state, or local authority to meet an implementation schedule for constructing,
upgrading, or operating wastewater treatment equipment or practices or any other environmental programs that could
affect the discharges described in this application?
❑ Yes 0 No > SKIP to Section 3.
2.2 Briefly identify each applicable project in the table below.
Brief IderCHO and ibn Affected �utfal{s. inal:Com (fiance Dates
Dscr�ptioR of.Project (I-rstotitfall aumbeis Sogrce(s) of Dischae -
Required Projected
E.:
- 2.3 Have you attached sheets describing any additional water pollution control programs (or other environmental projects
that may affect your discharges) that you now have underway or planned? (Optional Item)
❑ Yes ❑ No
EPA Form 3510-2F (Revised 3-19) Page 1

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCD043678929 NC0004774 Buck Combined Cycle OMB No. 2040-0004
SECTIOND•, r
v 3.1 Have you attached a site drainage map containing all required information to this application? (See instructions for
m
speafic guidance.)
® Yes ❑ No
SECTION• • r
4.1 Provide information on the facility's pollutant sources in the table below.
Outfall
Impervious Surface Area
Total Surface Area Drained
Number
(within a mile radius of the facility)
(within a mile radius of the facility)
specify units
specify units
001CC
10.8
acres
18.9
acres
specify units
specify units
075
13.4
acres
36.3
acres
specify units
specify units
specify units
specily units
specify units
specify units
specify units
specify units
4.2
Provide a narrative description of the facility's significant material in the space below. (See instructions for content
requirements.)
Outfall 001CC - tube oil, diesel fuel, mineral oil, ammonia, raw water treatment chemicals, cooling tower treatment
N
u
chemicals.
'o
Outfall 075 -laydown yard, trailers, construction storage warehouse, construction material laydown, outage laydown.
h
m
See the attached stormwater permit renewal application narrative for a more detailed description.
5
0
a
4.3
Provide the location and a description of existing structural and non-structural control measures to reduce pollutants in
stormwater runoff. See instructions forspecificguidance.)
Stormwater Treatment
Codes
Outfall
from
Number
Control Measures and Treatment
Exhibit
2F-1
list)
001CC
retention pond
1-u
075
retention pond
1-u
EPA Form 3510-2F (Revised 3-19) Page 2

EPA Idenfificabon Number NPDES Permit Number Facility Name Form Approved 0105/19
NCD043678929 NC0004774 Buck Combined Cycle OMB No. 2040-0004
SECTION•N STORMWATER • 'r
5.1 1 certify under penalty of law that the outfall(s) covered by this application have been tested or evaluated for the
presence of nonstormwater discharges. Moreover, 1 certify that the outfalls identified as having non-stormwater
discharges are described in either an accompanying NPDES Form 2C, 2D, or 2E application.
Name (print or type first and last name)
Official title
Kris Eisenrieth
Gm II Regulated Stations- Buck Combined Cycle
Signature
Date signed
N
5.2
Provide the testing information requested in the table below.
Outfall
Onsite Drainage Points
u,
o
Number
Description of Testing Method Used
Date(s) of Testing
Directly Observed
`w
During Test
m
001CC
Visual
10/01/2020
overland discharge path
`o
c
075
Visual
3/25/2020
overland discharge path
0
z
SECTION
OR r
6.1
Describe any significant leaks or spills of toxic or hazardous pollutants in the last three years.
N
=
None
a
w
`o
Y
N
J
C
U
n
O_]
N
SECTIONDISCHARGE
INFORMATION'r
See the
instructions to determine the pollutants and parameters you are required to monitor and, in turn, the tables you must
o
complete.
Not all applicants need to complete each table.
E
7.1 Is this a new source or new discharge?
`o
❑ Yes 4 See instructions regarding submission of � No 4 See instructions regarding submission of
=
estimated data. actual data.
d
E
Tables A, B, C, and D
N
7.2
Have you completed Table A for each ouffall?
❑✓ Yes ❑ No
EPA Form 3510-2F (Revised 3-19) Page 3

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05119
NCD043678929
NCO004774
Buck Combined Cycle
OMB No. 2040404
7.3
Is the facility subject to an effluent limitation guideline (ELG) or effluent limitations in an NPDES permit for its process
wastewater?
❑✓ Yes ❑ No 4 SKIP to Item 7.5.
7.4
Have you completed Table B by providing quantitative data for those pollutants that are (1) limited either directly or
indirectly in an ELG and/or (2) subject to effluent limitations in an NPDES permit for the facility's process wastewater?
© Yes ❑ No
7.5
Do you know or have reason to believe any pollutants in Exhibit 217-2 are present in the discharge?
❑✓ Yes ❑ No 4 SKIP to Item 7.7.
7.6
Have you listed all pollutants in Exhibit 2F-2 that you know or have reason to believe are present in the discharge and
provided quantitative data or an explanation for those pollutants in Table C?
❑✓ Yes ❑ No
7.7
Do you qualify for a small business exemption under the criteria specified in the Instructions?
❑ Yes 4SKIP to Item 7.18. ✓❑ No
7.8
Do you know or have reason to believe any pollutants in Exhibit 2F-3 are present in the discharge?
0 Yes ❑ No 4 SKIP to Item 7.10.
7.9
Have you listed all pollutants in Exhibit 2F-3 that you know or have reason to believe are present in the discharge in
c
Table C?
o
❑ Yes ❑ No
0
7.10
Do you expect any of the pollutants in Exhibit 217-3 to be discharged in concentrations of 10 ppb or greater?
El Yes 0No 4 SKIP to Item 7.12.
7.11
Have you provided quantitative data in Table C for those pollutants in Exhibit 2F-3 that you expect to be discharged in
concentrations of 10 ppb or greater?
❑✓ Yes ❑ No
7.12
Do you expect acrolein, acrylonitrile, 2,4-dinitrophenol, or 2-methyl-4,6-dinitrophenol to be discharged in concentrations
of 100 ppb or greater?
❑ Yes ❑✓ No 4 SKIP to Item 7.14.
7.13
Have you provided quantitative data in Table C for the pollutants identified in Item 7.12 that you expect to be
discharged in concentrations of 100 ppb or greater?
❑ Yes ❑✓ No
7.14
Have you provided quantitative data or an explanation in Table C for pollutants you expect to be present in the
discharge at concentrations less than 10 ppb (or less than 100 ppb for the pollutants identified in Item 7.12)?
❑ Yes No
7.15
Do you know or have reason to believe any pollutants in Exhibit 2F-4 are present in the discharge?
❑ Yes 0No 4 SKIP to Item 7.17.
7.16
Have you listed pollutants in Exhibit 2F4 that you know or believe to be present in the discharge and provided an
explanation in Table C?
❑ Yes ✓❑ No
7.17
Have you provided information for the storm event(s) sampled in Table D?
❑✓ Yes ❑ No
EPA Form 3510-2F (Revised 3-19) Page 4

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
NCD043678929
NC0004774
Buck Combined Cycle
OMB No. 2040-0004
Used or Manufactured Toxics
7.18
Is any pollutant listed on Exhibits 2F-2 through 2F-4 a substance or a component of a substance used or
manufactured as an intermediate or final product or byproduct?
0
❑ Yes ❑✓ No 4 SKIP to Section 8.
a
0
15
7.19
List the pollutants below, including TCDD'rf applicable.
c
1. 4. 7.
d
2. 5. 8.
r
U
0
3. 6. 9.
SECTION•
•GICAL TOXICITY TESTING • • 1
8.1
Do you have any knowledge or reason to believe that any biological test for acute or chronic toxicity has been made on
any of your discharges or on a receiving water in relation to your discharge within the last three years?
c
❑✓ Yes El No 4 SKIP to Section 9.
V
8.2
Identify the tests and their purposes below.
Test(s)
Purpose of Tests)
Submitted to NPDES
Date Submitted
•x
Permitting Authority?
0
7u
Chronic Toxicity Outfall 001A
Whole Effluent Toxicity
❑✓ Yes ❑ No
09/22/2022
�
U
O
Chronic Toxicity Outfa11007
Whole Effluent Toxicity
❑✓ Yes ❑ NO
12/05/2022
0
m
❑ Yes ❑ No
SECTION•
• • r
9.1
Were any of the analyses reported in Section 7 (on Tables A through C) performed by a contract laboratory or
consulting firm?
❑✓ Yes ❑ No 4 SKIP to Section 10.
9.2
Provide information for each contract laboratory or consulting firm below.
Laboratory Number
Laboratory Number
Laboratory Number 3
Name of laboratory/firm
Pace Analytical Services -
Duke Energy Laboratory
Duke Energy
o
Huntersville NC
Laboratory
E
`o
Laboratory address
m
N
9800 Kincey Avenue Suite 100
13339 Hagers Ferry Rd
13339 Hagers Ferry Rd
A
Huntersville INC 28078
Huntersville NC 280078
Huntersville NC 280078
c
Q
U
N
o
Phone number
[phone]
[phone]
[phone]
Pollutant(s) analyzed
Total Kjedahl Nitrogen,
Bromide, Fluoride, Sulfate,
Molybdenum, Nickel,
Ammonia, Phosphorus, COD,
Aluminum, Barium, Boron,
Selenium, Arsenic,
BOD, Oil and Grease, pH, PCS's
Iron, Magnesium, Manganese,
Thallium, Total
Zinc, Antimony, Arsenic,
Suspended Solids
Beryllium, Cadmium,
Chromium, Copper, Lead
EPA Form 3510-2F (Revised 3-19) Page 5

EPA Identification Number
NPDES Permit Number Facility Name Form Approved 03105/19
NCD043678929
NC0004774 Buck Combined Cycle OMB No. 2040-0004
SECTIONr
CHECKLIST
AND CERTIFICATION.r
10.1
In Column 1 below, mark the sections of Form 2F that you have completed and are submitting with your application. For
each section, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note that not
all applicants are required to com lete all sections or provide attachments.
Column 1
Column 2
❑✓ Section 1
❑ w/ attachments (e.g., responses for additional outfalls)
❑ Section 2
❑ w/ attachments
0 Section 3
❑ w/ site drainage map
0 Section 4
❑ wl attachments
0 Section 5
❑ w/ attachments
✓❑ Section 6
❑ w/ attachments
v
Section 7
❑✓ Table A ❑ w/ small business exemption request
`�
0
❑� Table B ❑ w/ analytical results as an attachment
19
0 Table C 0 Table D
r
U
0 Section 8
❑ w/attachments
a
c
N
0 Section 9
❑ w/attachments (e.g., responses for additional contact laboratories or firms)
Y
r
0 Section 10
❑
10.2
Certification Statement
1 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 property 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 fine
and imprisonment for knowing violations.
Name (print or type first and last name)
Official title
V'VI"iop"V C. �•�^ri0,��
GM Buck Combined Cycle
Signature
Date signed
� 23
EPA Form 3510-21' (Revised 3-19) Page 6

EPA Identification Number NPDES Permit Number Facility Name Outfail Number
NCD043678929 I NCO004774 I Buck Combined Cycle 075
Form Approved 03105119
OMB No. 2040-0004
TABLE A. CONVENTIONAL' NON CONVENTIONAL PARAMETERS 40
You must provide the results of at least one analysis for eve pollutant in this table. Complete ane table for each outfall. See instructions for additional details and re uirements.
_
-... - ...
Poiiu#antw Parameter
_ _s -
M — hu niN=Disciiea a
.. - .-r.
.�_(SA�filu
-
Avers 0 a� AID11beho e t
_
ts)
`Ie�:
-
i
omt
} Evenis Sam ed
_
_
�Scul`deydr
,infgrma��n
evysotxroelnew'
iargers,aitil�,use 4,1
y!`
codesin iristiuiions)
GraMM te;Taken
p -
purity ,Ft
9' I'
30 Minutes
_ - _
Flot�Welghfed
=
C9M osi#e
_
Grablorn P, Mn,
tiOti ,F t:
dng; , rs
30 Mlrtiies'
IFlot�wWelgh#ed
3
Ccntosiie,
1
Oil and grease
<4.9 mg/L
<4.9 mg/L
1
2.
Biochemical oxygen demand (BOD5)
2.1 mg/L
2.7 mg/L
2.1 mg/L
2.7 mg/L
1
-1 1
Chemical oxygen demand (COD)
<25 mg/L
27.5 mg/L
<25 mg/L
27.5 mg/L
1
4.
Total suspended solids (TSS)
16 mg/L
28 mg/L
16 mg/L
28 mg/L
1
5.
Total phosphorus
0.091 mg/L
0.2 mg/L
0.091 mg/L
0.2 mg/L
1
6.
Total Kjeldahl nitrogen (TKN)
<0.5 mg/L
1.3 mg/L
<0.5 mg/L
1.3 mg/L
1
7.
Total nitrogen (as N)
<0.05 mg/L
1.5 mg/L
0.05 mg/L
1.5 mg/L
1
pH (minimum)
7.2 STU
1
7.2 STU
1
8.
pH (maximum)
7.4 STUIA
7.4 STU
1
m Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., methods) approved under 4U GFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2F (Revised 3-19) Page 7

EPA Identification Number
NCD043678929
IES Permit Number Facility Name
NCO004774 I Buck Combined Cycle
075
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. CERTAIN CONVENTIONAL AND NON CONVENTIONAL POLLUTANTS (40 CFR 122,26(c)(1)(i)(E)(4) and 40 CFR 122.21(g)(7)(vi)(A))'
List each pollutant that is limited in an effluent limitation guideline (ELG) that the facility is subject to or any pollutant listed in the facility's NPDES permit for its process wastewater (if the
facility is operating under an existing NPDES permit). Complete one table for each outfall. See the instructions for additional details and requirements.
Pdlutant and:CAS Number{if:available)
Maximum Daly D(scharge
-� s .i<nlfs -
-.
Averag Da 1011sch .ire
: s unlb -
.✓
iftfil i��o , oimi. _
;�- _
Evenis;Sampled
` ..:
Source,of
a
(newlsouroe/new
, d�sdta-tgers ott{y; use
nodes: n.fri ctlons}
; GrabT$ample Taken
:Durirlg'First_:
30 Minutes :
4 .
Ftow�tNelghtetl
Compflsite <
Grab Sample:Taken :
_
yDuiing"First
; 30:Mtnutes
- ::f
_ Flaw•Weighted.
- composite
Arsenic
<1 ug/L
<1 ug/L
<1 ug/L
<1 ug/L
1
Copper
8.58 ug/L
7.68 ug/L
8.S8 ug/L
7.68 ug/L
1
Selenium
<1 ug/L
<1 ug/L
<1 ug/L
<1 ug/L
1
Mercury
1.8 ng/L
12.5 ng/L
1.8 ng/L
12.S ng/L
1
Chromium
<1 ug/L
2.72 ug/L
<1 ug/L
2.72 ug/L
1
Nickel
1.02 ug/L
1.56 ug/L
1.02 ug/L
1.56 ug/L
1
Antimony
<1 ug/L
<1 ug/L
<1 ug/L
<1 ug/L
1
Aluminum
0.372 mg/L
6.8 mg/L
0.372 mg/L
6.8 mg/L
1
Fluoride
<1 mg/L
<0.1 mg/L
<1 mg/L
<0.1 mg/L
1
Thallium
<0.2 ug/L
<0.2 ug/L
<0.2 ug/L
<0.2 ug/L
1
Beryllium
<1 ug/L
<1 ug/L
<1 ug/L
<1 ug/L
1
Lead
<1 ug/L
1.75 ug/L
<1 ug/L
1.75 ug/L
1
Sulfates
40 mg/L
12 mg/L
40 mg/L
12 mg/L
1
Barium
0.025 mg/L
0.024 mg/L
0.02S mg/L
0,024 mg/L
1
Manganese
0.121 mg/L
0.076 mg/L
0.121 mg/L
0.076 mg/L
1
Zinc
0.00S mg/L
0.018 mg/L
0.005 mg/L
0.018 mg/L
1
I Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., methods) approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2F (Revised 3-19) Page 9

This page intentionally left blank.
f

EPA Identification Number
NCD043678929
NPDES Permit Number
NCO004774
Name
Buck Combined Cycle
Outfall Number
075
Form Approved 03/05/19
OMB No. 2040-0004
a a aSUBSTANCES,AND ASBESTOS (' • ' and 40 CFR 122.21(g)(7)(vi)(B)and
TABLEPOLLUTANTS,
List each pollutant shown in Exhibits 2F-2, 2F-3, and 2F-4 that you know or have reason to believe is present. Complete one table for each outfall. See the instructions for additional
details and requirements.
Pc[lutant afid CAS, Number �f ava38W) :.
Manim um`Dal ;;Rischa a
spei units
G S te,T ken, ... WT" .
dab _amp . -a .. iF)o etgli`t8il
v
Ruring Ftl'st Co .posits:
' m
:Avers ertQal `Risaha e
1 s trriits
G b Sa lQrT ken I , . ; ,
ra mp, a . -5
'
t:tow-Wetghted'
buring Ftrst.'
_ 4,00
_ ;�0'Mlrlutes Coa -�
,
�vents�'sa�npf
4
ou e o ,
;� f` on
e iFsaun�lnew
d1l argers PR u
f
oodes'in"uisfru�ionsj;
Molybdenum
5.98 ug/L
4.70 ug/L
5.98 ug/L
4.70 ug/L
1
PCB's
<0.5 ug/L
<0.42 ug/L
<0.5 ug/L
<0.42 ug/L
1
Silver
<0.3 ug/L
<0.3 ug/L
<0.3 ug/L
<0.3 ug/L
1
Magnesium
12.1 mg/L
3.25 mg/L
12.1 mg/L
3.25 mg/L
1
Boron
<O.05 mg/L
<0.05 mg/L
<0.05 mg/L
<0.05 mg/L
1
Bromide
<1 ug/L
<0.1 mg/L
<1 ug/L
<0.1 mg/L
1
Nitrate/Nitrite
<0.04 mg/L
0.22 mg/L
<0.04 mg/L
0.22 mg/L
1
Iron
0.817 mg/L
6.89 mg/L
0.817 mg/L
6.89 mg/L
1
I Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., methods) approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2F (Revised 3-19) Page 11

'+ at
This. page intentionally left blank.

EPA Identification Number NPDEB Permit Number Facility name Ou tall Number Form Approved 03N5119
NCD043678929 NC0004774 Buck Combined Cycle 075 OMB No. 2040-0004
STORMTABLE D. • 1
Provide data for the storm event(s) that resulted in the maximum daily discharges for the flow -weighted composite sample.
Number of Hours Between
Duration of Storm Event Total Rainfall During Beginning of Storm Measured and Maximum Flow Rate Total Flow from Rain Event
Date of Storm Event Storm Event During Rain Event
End of Previous Measurable Rain (in gallons or specify units)
(in hours)
(in inches) Event (in gpm or specify units)
12/15/2022
15 0.72 192 3 2700
Provide a description of the method of flow measurement or estimate.
Calculation, storm duration x flow X 60 minutes in an hour
EPA Forth 3510-2F (Revised 3-19) Page 13