NC0000396_Reissuance Application_20050621 (2)

c Progress Energy
June 21, 2005
Mr David Goodrich
North Carolina Department of'Ertvironment °and Natural Resources
Division of Water Quality
1617 Maid ,Service, Center,
Raleigh, NC 27699-16,11
Subject. CP &L d/b /a Progress' Energy Carolinas, Inc.
Asheville Steam Electnc,Plant
NPDES Permit No. NC0000396
Reissuance ,Application
Dear Mr. Goodrich.
File 12520 B1_
The current NPDE& permit for Asheville Steam Electric Plant located in Buncomb,e County'
expires of December 31,1005 Progress Energy hereby requests that the NPDES permit for.the
facility be reissued Enclosed are EPA Application Form 1 — General Irifoimation, EPA
Application Form 2C — Wastewater Dischaig6,Inf6irniation; and ERA Application Form 2F
Stormwater Discharges Associated with Industnal,Activrty, all in triplicate
With reissuance of 'the NPDES permit, Progress Energy requests the-following-
Eliminate the requirement to monitor copper for once - through cooling water (Outfall -
602) , Monitoring data from, 2001 to the present has demonstrated that copper
concentrations are either below the detection limit of 0.010 mg/1 of quantified at 0.004
mg/l,orabelow. Copper mon>vtonng-was originally required due to suspected erosion of
the Unit 1 condenser tubes These copper condenser tubes were replaced with stainless
steel tubes in 1994 Currently copper, is monitored on a quarterly basis for Outfall 002
The, original permit was modified due to the addition of Flue Gas Desulfurization
wastewater- The limit for mercury at, Outfall 001 becomes effective one year after
commencement of the FGD system to treat FGD wastewater- We request that the one
year be started after the second umt's FGD wastewater begins discharging to the
treatment facility The FGD system for the first unit is projected to begin operation in
November of 2005 and the FGD system,for'the second unrt,is projected to' begin
operation in June of 2006.
Include a statement for Outfall 002 requiring the monitoring of total residual chlorine
only,if'chlorine is, added'to� the system
Progress Energy Carolinas, inc
Asheville Steam,Plant
200 CP &L Drive
Ar-den, NC 28704

Eliminate the analytical monitoring requirements for stormwater The results of the
permit required,monitonng and renewal monitoring demonstrate, that stormwater runoff
from the access roads was not contaminated due to plant related traffic
® Reduce the monitoring frequency for oil and grease and total residual solid at outfall 001
Currently the permit required frequency for both is twice per month Monthly monitoring
should be sufficient to demonstrate compliance with the effluent limitations
A (I f) of the current NPDES permit for the Asheville�Steam Electric Plant requires that
Progress Energy request a continuation of its 31,6(a) variance beyond the term of the
present permit. Enclosed is am EPA Guidance Letter dated August I1, 1988 outlining the
general procedure to be followed in requesting the continuance of a 316(a) variance The
following is Progress Energy's response to the,pertment factors contained in the EPA
General Procedure for the reissuance of °the 316(a) variance
The permittee must request that the variance be continued
Response- Progress Energy hereby requests continuation of the 316(a)
variance reflected in it's present NPDES permit for the Asheville
Steam Electnc Plant.
2 Plant operating'conditions and load factors are unchanged and are expected to
remain so for the term of the reissued permit
Response The plant operating conditions and load factors are unchanged and
are expected to remain so for the term of the reissued permit.
3 There are no changes to the permittee's knowledge to plant discharges or other
discharges in`the plant site area which could interact with - thermal discharges
Response To Progress Energy's knowledge there have been no changes to
the Asheville Plant's discharges or other discharges to Lake Julian
which could interact, with the thermal discharges
4. There,are no changes to the permittee's knowledge, to the biotic community of the
receiving water body which could immpact the previous 316 (a) determinations
Response As demonstrated by Progress Energy's Environmental Monitoring
Reports, which are routinely submitted' to the Director of the
Division of Water Quality, since issuance of the current NPDES
permit there have been no changes ,to the biotic community of
Lake Julian which would impact the previous, 316 (a)
determinations.
• Asheville Plant's demonstration of compliance with 116(b), is presented in Attachment 8

If there are any questions regarding the enclosed information, please contact Louise England at'
'(919) 546 -63:18
T certify, under penalty of law, ,that this document, and cell attachments, were,prepared under my
direction or supervision in accordance with a system designed to assure that qualified-personnel
properly gather and evaluate the information submitted Based on my inquiry of the person or
per`sons 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 lam aware that there are significant penalties for submitting false information,
including °the possibility of-fines and imprisonment for knowing violations
Sincerely,
Wrlliam A Phipps
Plant Manager
Attachments

II POLLUTANT'CHARACTERISTICS
INSTRUCTIONS Complete A through J to determine whether you need to submit any.permit application, forms to the EPA If you answer "yes" to any questions,
you must submit this form and',the supplemental form listed in the parenthesis following the question' Mark "X" in the box in the third column if, the 'supplemental
form is attached If you answer "no" to each question, ,you need not submit any of`these forms You may answer "no" if your acbmty is excluded from permit
requirements, see'Section C of the instructions See also, Section D of the instructions for definitions of bold -faced terms.
MARK "X" MARK "X"
SPECIFIC-QUESTIONS YES NO FORM SPECIFIC QUESTIONS YES NO - FORM
ATTACHED ATTACHE
A Is this facility a publicly owned treatment works B Does or will this facility (either existing or proposed)
which results in a discharge to waters of the U.S.? include a concentrated animal feeding operation or
(FORM 2A) X aquatic animal production facility which results in a X
-161 17 18 discharge to waters of the,U.S.? (FORM 26), 1s zo z1
C Is this a facility which currently results in,discharges4d D Is ,this a proposedJacility (other thamthose described
waters of the U S. other than those described,in;A -or B X X in A or B above) ,which -will` result in a discharge'to X
above 'i,(FORM °26) 22 23 24 waters of the,,U .,S? (FORM 2D) 25 z6 27
'F Do,you or will you inject at this facility industrial or
E Does or will this facility treat„ store, or dispose of municipal effluent below the lowermost stratum
hazardous•wastes ?(FORM 3) X corbining,'within one quarter mile of the well bore, X
28 zs 1 30 underground,sources of drinking water? (FORM 4) _T7 32 33
G Doyouorwllyou'intectatthis facility any produced water H Do you or will you inject at this facility fluids for
or other fluids which are brought to the surface in special processes such as mining facility f l ds for
connection with conventional oil or natural gas production, special
process, solution mining of minerals, in situ
infect fluids used'for enhanced recovery of odor natural combustion of fossil fuel, i ingo f of minerals' in mat
gas, or intecffiwds for storage of liquid'hydrocarbons? X energy? (FORM 4) recovery g X
(FORM 4) -34 35 36 37 38 39
1 Is this facility�a proposed stationary source which is J Is this facility a'proposed,stationary source which is
one of the 28 industrial categories listed in the NOT one of the-28 industrial categories listed in the.
instructions and which will potentially emit 100 tons per instructions and which will potentially. emit 250 tons per
year,of any air pollutant regulated under the Clean Air year of any,air pollutant regulated under the -Clean Air'
Act and may affect or be located in,an attainment area? X Act and mayaffect or be located in awattamment ;area? X
(FORM 5) 4o 41 42 (FORM 5) 43 44_ 45
III ,NAMEOF FACILITY' m_ A -_
C
1 SKIP Asheville Steam Electric Plant
15116 - 29130' 69
IV FACILITYCONTACT I I F-
:U r...
Phipps, William Plant Manager
15116
V FACILITY MAILING ADDRESS NAWMM
200 CP &L Drive
41 Arden
VI FACILITY LOCATION I°
A STREET, ROUTE
C
5 200 CP &L Drive
B COUNTY NAME
Buncombe
Arden
828 I q 687 5201
dA d51 57
NC 1 1 28704
NC 1 1 28704
,SfF EW564F 1
Phipps, William Plant Manager
15116
V FACILITY MAILING ADDRESS NAWMM
200 CP &L Drive
41 Arden
VI FACILITY LOCATION I°
A STREET, ROUTE
C
5 200 CP &L Drive
B COUNTY NAME
Buncombe
Arden
828 I q 687 5201
dA d51 57
NC 1 1 28704
NC 1 1 28704
,SfF EW564F 1

CONTINUED FROM THE FRONT
VII SIC CODES (4 digirt in on:ier ofpnonti)II
t
Maw --g-,
NO
I
960-0im- m
AM
A'FIRST
B SECOND
(specdy)
c
17,
(specify)
9
Electric Power Services
- C THIRD
D FOURTH
�(specify)
(specify)
'f7
Vill OPERATOR INFORMATION
A NAME
B Is the name listed in
c
item Vill-A also the
18Car6lina Power & Light d/b/a,Progress Energy Carolinas, Inc
owner,?
O'YES [—]'N-0
55
'66
C STATUS OF OPERATOR (Enterthe appropnate letterinto the answer box,'d "Other," specify)
__D PHO E(area,code& no)
F = FEDERAL M PUBLIC (other than federal or state)
(specity)
c
I-
I
S = STATE 0 OTHER (specifyj
P
�561
A
828
�687
5201
�2 J25
,P = PRIVATE
1
16 - 181
'j, 211
2
E,STREET'ORR O,,'BOX
200 CP&L Drive
26 55
F-CITYORTOWN
G STAT
H ZIP-CODE
IX INDIAN LAND V_h7_%V4AP*-
Its the- facility located on Indian lands?
6
'Arden
NC
28704
EjYES 3NO
52
15116
'47
- 51
X EXIST] NGIENVI RONMENTAL PERMITS
'31E I �,
r W To
A NPDES (Discharges,to Surface Water)
D PSD (AirEmissions'from Proposed Sources)
NCO000396
9
P
1
6
1
18
30:
6 UIC (Underground Injection ofFluids)-
- E,OTHER, (specify)
c
- - I
�
!IT
1.
1 11
1 L
11-628
j
y)
(specd PCA Air Pe rmit
WNCRA
1
16
18 "m'
it
I 15
1 it 1 18
C RCRA (Hdz6rdoijs Wastes)
E OTHER (specity)
c
RI
I
I
IEFEI I I
13407
(specify)
91
1
'91 1 1
Non-discharge permit (ash)
15
� 161-17
Ill 8 - 3011511611
118 301
X MAR
Attach In'this application A topographic map, of-the area extending to at vleast'one, mile beyond property boundaries The map must showlthe,oudine,of the
facilit�,-the locabon,of each of its existing and proposed intake and discharge structures, each of itwhazardous waste, treatment, storage, or disposal facilities,
and each well where Minjects fluids undergtound Include all springs, rivers and other,surface water bodies in the map area See instructions for precise
requirements
XII NATURE OF BUS-INiff§S� (provide a br7efdesqnptcn), WIWI
Electric Utility - This facility is an electric generating fability 6onsisting,of twb-coal-fired udits with a total,net capacity of 392 MWe,
and two Internal Combustion (IC) Turbines with a total net capacity of 330 MWe
XIII CERTIFICATION (see instructions)
certdy under penalty of law that / have personally examined and am familiar with the information submitted in this application and all attachments and
thit,­bds ed on my inquiry of those,persons immediately responsible for obtaining the information contained in the qppticption, I believe that'ithe information
'
is,true, accurate, and complete / am�awarb Mat'ithere are significant penalties for submitting false, information, including,the possibility of hne�.and
impnsonment
A NAME& OFFICIAL TITLE (type orpnnt)-
6 SIGNATURE
C DATE SIGNED
William A- Phipps
Manager,- Asheville Plant,
COMMENTS FOKOFFiCIAL`U'�E ONLY'DiNloll"
ZME,
RR"'DOW-4),
_�5
EPA Form 3510-1 (8-90)
SW &.6W 2

EPA I D. NUMBER (copy from Item 1 of Form 1) Form Approved
roved
OMB No zoao -ooas
PlaasP nnnt nr tvnann the unshadrxi areas nnly ADoroval expires 5 -31 -92
FORM
ZC
NPDES
U S ENVIRONMENTAL PROTECTION AGENCY
UF I ISACTURING, COMMERCIAL, MN NG AND SLVCULTURAL,OPERATIONS
Consolidated,Permits Program
OUTFALL LOCATION
For each outfall, list'the latitude and longitude of its location to the nearest 15 seconds and the name of'the receiving water -
A OUTFALL
NUMBER
(list)
'B LATITUDE
C LONGITUDE
D ,RECEIVING WATER (name)
1 .DEG
2 MIN
3 SEC
1 DEG
2 MIN
3 SEC
001
35
28
02
82
'32
6&
French Broad River
002
35
28
10
82
.32
20
Lake Julian
II ,FLOWS, SOURCES OF',POLLUTION, 'AND TREATMENT TECHNOLOGIES
Jw.
A Attach a line drawing showing the water flow through the.facility Indicate sources of intake water, operations contnbuting� wastewater to the effluent,
and treatment units labeled to correspond to the more detailed de`cnptions in Item B Construct a water balance, on, the IineFdrawing by showing average
flows between intakes, operations, treatment units, and outfalls If a water 'balance cannot be ,determined (e g, for certain mining activities) , provide a
pictorial description of the nature and amount of any sources of water and any collection or treatment measures
B For each outfall, provide a description of (1) All operations contributing wastewater to the effluent, including process wastewater, sanitary wastewater,
cooling water, and storm water runoff, (2) The average flow contributed by each operation, and (3) The treatment received by the wastewater Continue
on additional sheets if necessary
1 OUT-
2 OPERATIONS CONTRIBUTING FLOW
3 TREATMENT
FALLING
(list)
- a OPERATION (list)
_
'b AVERAGE FLOW
,(include units)
a DESCRIPTION
b LIST CODES,FROM
TABLE 2C -1
Ash sluice,water
See
Sedimentation, neutralization
1 -U
2 =K
Coal,plle runoff
Attachment 2
Sedimentation, neutralization
1 -U
2 -K
Stormwater
for flows
Sedimentation, neutralization
1 -U
2 -K
001
FGD wastewater
Flocculation, coagulation, wetland
1 -G, 2 -D
XX
LOW volume wastewater
Sedimentation, neutralization
1 -U
2 -K
Water treatment wastes
Boller blowdown
Plant drains
Ash hopper seal water
Air preheater cleaning wastes
Sedimentation, neutralization
1 -U
2 -K
Chemical metal cleaning wastes
Evaporation or neutralization,
1 =F
2 -K
precipitation
2 -C
Combustion Turbine
Sedimentation, neutralization
1 -U
2 -K
002
Once - through cooling water
Evaporation
1 -F
Circulating water to heat exchangers
Evaporation
1 -F
OFFICIAL USE ONLY (effluent guidelines'sub- categories)
EPA Form 3510 -2C (8 -90) PAGE 1 OF 4 CONTINUE ON REVERSE
STF ENV441 F 1

CONTINUED FROWTHE FRONT
C Except for storm runoff, leaks,,or spills, are any of the discharges described in Items II -A or B Intermittent or seasonal?
NO
® YES (complete the,following table) NO (go to Section 111)
3 FREQUENCY
FLOW
a FLOW RATE
b TOTAL VOLUME
1 OUTFALL
2 OPERATION(s)
a DAYS
b MONTHS
in m d
(specify with units )
c DUR-
1 LONG TERM
AVERAGE
2 MAXIMUM,
DAILY
1 LONG TERM,
AVERAGE
2 MAXIMUM
DAILY
'ATION
(rn days)
NUMBER
(list)
CONTRIBUTING FLOW
(list)
PER WEEK
(specify,
average)
PER YEAR
(specify
average)
001 °
Water treatment,wastes
1
1
0 003
0 006
3,000 gal
6,000 gal
1
Combustion Turbines
1 -7
1 -12
001
002
1 0,000 gal
20,000 gal
1
Chemical, metal cleaning wastes
0- 90,000
gallons p
,oduced every
5 to 8
years PI
ans are to eVaporate
Instead of
discharge
ig to ,the,a
sh pond ,
Air preheater cleaning
1
1
0 01,0
0 010
10,000 gal
10,000 gal
1
111 !PRODUCTION
A Does an effluent guideline limitation promulgated by,EPA under Section 304,of°the Clean Water Act apply to your facility?
❑X 'YES (complete Item Ill -8) ❑ NO,(go to Section IV) °
B Are the limitations In the applicable effluent, guldelme expressed In terms of p'roduchon (or other measure of operation)?
YES (complete Item llI -C) ® NO (go to Section IV)
C If you answered 'yes, to Item III -B, list the quantlty`which represents an,actual measurement of your level of production, expressed In the terms and units
used,In the applicable effluent guideline, and Indicate the affected outfalls
1 AVERAGE DAILYPRODUCTION
.2 AFFECTED
OUTFAC`E'S
a QUANTITY PER DAY
-
b UNITS OF MEASURE
c OPERATION,,PRODUCT; MATERIAL, ETC
(specify)
(list outfall numbers)
IV. IMPROVEMENTS
A Are you now required by any Federal, State or local authority,to meet any Implementation schedule foe the construction, upgrading or operation of wastewater
treatment equipment or, practices or any other environmental programs which may affect, the discharges described In this application? This Includes,
but Is not limited to, permit conditions, administrative or enforcement orders, enforcement compliance schedule, letters; stipulations, court orders, and grant
,or loan conditions ❑ YES (complete the following'table) M NO (go to Item,IV -8)
1 ,IDENTIFICATION_OF CONDITION,
AGREEMENT, ETC
2 AFFECTED OUTFALLS
3 BRIEF DESCRIPTION,OF PROJECT
a FINAL COM-
PLIANCE DATE
a NO
;b SOURCE OF DISCHARGE
a ,RE-
QUIRED
b PR0.
JECTED
B_ OPTIONAL You may =attach additional sheets describing any additional water pollution control programs (or other environmental projects which may affect
your discharges) you now have underway or,which you plan Indicate, whether each program is now underway or planned, and Indicate your actual or
planned schedules,for construction 1:1 MARK "X.',IF DESCRIPTION OF ADDITIONAL CONTROL PROGRAMS IS ATTACHED
EPA Form 3510- 2C'(Rev 2-85)
PAGE'2 OFA
CONTINUE ON PAGE 3
STF ENV441F 2

EPA IA. NUMBER (copy frcnM,ltem 1 of Form 1)
CONTINUED FROM, PAGE 2 N00000396
,V. INTAKE AND EFFLUENT CHARACTERISTICS I
A, B,'& C See instructions before proceeding — Complete one set of tables for each outfalf — Annotate the outfall number in thespace provided
NOTE Tables WA, V -B „and V -C are included on separate sheets numbered V -1 through V -9
D Use the space below to list any of the pollutants hstedUn Table 2c -3 of the instructions, which you,know or have reason.to believe is discharged or may be
discharged, 6om,anysoutfall' For every'pollutant,,you list, briefly ^describe the reasons you believe. it to be present, and' report any, analytical data in your
possession
1 POLLUTANT
2 SOURCE
1POLLUTANT
2 SOURCE
Asbestos
Used In Insulation, trace amounts
may be washed down drains In
plant areas during maintenance,
activities
Strontium
Trace elements occasionally
Uranium
present In coal_
Vanadium
Zirconium
VI. POTENTIAL DISCHARGES,NOT COVERED BY ANALYSIS V
Is °any pollutant,Iisted in Item V -Cfa substance or a'component of a substance which you currently use or manufacture as an;intermediate,or final product or
byproduct?
® YES (list all such pollutants,below) NO (go to Item V143)
The following substances may be contained In coal
Antimony
Arsenic
Beryllium
Cadmium
Chromium
Copper
Lead
Mercury
Nickel
Selenium
Silver
Thallium
Zinc
See Attachment 4 for Potential ,Discharges Not Covered by Analysis,
EPA Form 3510 =2C (8 -90)
PAGE 3 OF 4
CONTINUE ON REVERSE
STF ENV441F 3

CONTINUED FROM THE FRONT
VII. BIOLOGICAL TOXICITY TESTING DATA
Do you have any knowledge or reason to believe that any biological test for acute,or chronic,towcity has been made on any of your discharges or on a
receiving water in relation to your discharge within the'last 3years? I -
YES (identify the tests) and describe their purposes below) E] NO,(go to Section Vlll)
Outfall 001 From 2002 to 2005 thirteen, chronic toxicity tests were performed on the' ash pond'discharge as required'by
the current NPDES permit All twelve of the tests were within the permit limits of 1 4 %
Outfall 002 Toxicity sampling and analysis is not required for this -outfall by the current NPDES permit
VIII CONTRACT ANALYSIS INFORMATION `. I ' *MN 9-11s um W.
Were any of•the analyses reported:in Item V performed by a con tract' laboratory or,consulting firm9
® YES (list thelname „address, and,telephone number of „and pollutants E, NO (go, to Section /X)
analyzed by, each such laboratory'orfrrm'below)
A NAME
B ADDRESS
C TELEPHONE'
(area code & no)
- D POLLUTANTS ANALYZED
list)
Oxford Laboratory
1316 S Fifth Street
(910) 763 -9793
Phenol, TOC, Boron,
Wilmington, NC 28401
Bromide, Mercury
Florida Radlochemistry'Services, Inc
5456,Hoffner Avenue, Sulte'201
(407)382 -7733
Total Alpha, Total Beta
Orlando; FL 32812
Pace Analytical Services, Inc
2225 Riverside Drive
(828) 254 -7176
BOD, Fecal Collfor"m,
Asheville, NC 28804
Color; 'Surfactants
Tritest
3909 Beryl Road
(91;9) ,834 -4984
All others
Raleigh ,'NC 27607
IX. CERTIFICATION r
M�.
1 certify,under penalty of law that this document and all'attachments'were prepared under my ddechoh or supervision in accordance with a,system deslgned,to
assure; that qualified personnel properly, gather and evaluate,the information submitted' Based on my, inquiry of the person or persons who, manage the system or
those persons directly responsible forgathering the information, the information submitted is, to the best of my knowledge and behef, true, accurate, and complete
1 am aware that,there are'significant penalties for submitting false information, including the possibility of fine and imprisonment for knowmg•wolahons
A NAME & OFFICIAL TITLE (type or pnnt)
B PHONE NO (area code & no)
William A Phipps
(828,) 687 -5201
!C SIGNATURE
Dj DATE SIGNED
EPA Form 3510 -2C (8 -90)
PAGE,4 OF 4
S,TF ENV441 F 4

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Pleas&print or type in the unshaded areas only
EPAilD Number (copy from ltem;l of Form 1)
NC0000396
Form Approved OMB No 2040 =0086
Approval expires 5 -31 -92
Form
2F
NPDES
United States Environmental Protection Agency
Washington, DC'20460
EPA Application for Permit To Discharge Stormwater
Discharges Associated with Industrial Activity
Paperwork�Reduction Act Notice
Public reporting,burden for this;appl ication, is, estimated to average 28 6 hours,per application, including time for reviewing instructions, searching existing
data'sources, gathering and,maintaming the data needed', and completing and reviewing- the, collection of information Send comments regarding the
burden estimate,,any other aspect of this collection of information, or suggestions fceimproVing this form, including, suggestions,which may increase or
reduce this burden to Chief, Information Policy Branch, PM-223, U_S Environmental Protection Agency, 401 M St, SW, Washington, DC 20460, or
Director, Office of Information and Regulatory Affairs, Office of Management and Budget; Washington, DC 20503
I: Outfall Location°
For each outfall, list the latitude,and longitude of its location to the nearest 15 seconds and the name of the,receiving water
A Outfall Number
(list)
B Latitude
C Longitude
D Receiving Water
(name)
SW -1
35
28
01
82
32
13
Lake Julian —
SW -2
35
27
51
82
32
05
Lake Julian
SW -3
'35
27
55
82
32
06
Lake Julian
SW -4
35
28
39
82
32
46
Lake Julian
SW -5
35
'28
29
82
32
51
Unnamed,.fnbutary to Powell Creek
SW -6
35
28
23
82
32
45
Lake Julian
II. Improvements
NRINM
A Are you now required by any Federal, State, or local,authonty to'meet °any implementation schedule for the construction, upgrading,or operation of
wastewater treatment +equipment,or,practices or any other envi ronmental,programs which may affect the discharges described in this application?
This includes, but is not limited to, permit conditions, administrative�or,enforcement orders, enforcement compliance schedule letters, stipulations,
court orders, and grant or loan conditions
1 Identification of Conditions,
Agreements, Etc
2 Affected Outfalls
3 ,Brief Descriptionof Protect
4 Final
Compliance Date
number
sourceiof4scharge
a req
b prof
NA
B You may attach additional sheets describing any additional,water pollution (or other envi ronmental projects which may affect your discharges) you now
have under way or which you plan Indicate whether each program is now under way orr planned, and indicate,your actual or planned schedules for
construction
III. Site Drainage Ma
Attach a site map showing topography (or indicating the outline of drainage areas served by the outfall(s) covered in the application if a topographic map
is unavailable),depicting the facility including ,each,of its intake and, discharge ,structures,Ahe,dramage area of each storm water outfall „paved areas and
buil dings within the drainage, area of each storm water,outfall, each known past or present areas used for outdoor storage or disposal of `significant
materials, each existing structural control measure to reduce pollutants in storm water runoff materials loading,and access areas, areas where pesticides,
herbicides, soil conditioners and fertilizers are applied, each of its hazardous waste treatment, storage or disposal units (including each +area,not required
to have a RCRA permit which is used for accumulating hazardous waste under 40 CFR 262 34), each well where fluids from the facility are injected
underground, springs, and other surface water bodies which receive storm water discharges from the facility
EPA Form 3510- 2F,(Rev. 1 -92) Page 1 of 3 Continue on,Page 2
STF ENV408F 1

Continued from the Front
IV. Narrative Description of'Pollutant Sources
A For each outfall, provide an estimate of the area (include units) of impervious surfaces, (including paved areas and building'ropf') drained to the
o_utfall, and an estimate of the total surface area drained1by the outfall
Outfall
Area,of Impervious Surface
Total Area Drained
Outfall
Area of'Imperviou`s Surface
Total Area Drained
Number
(provide units)
(provide,unrts)
Number
(provide units)
(provide units)
SW -1
0 34 acre
3 69 acres
SW -4
0 09 acfe
5 5'acres
SW -2
0 13 acre
0 38 acre
SW -5
0 09 acre
40 acres
SW -3'
0 -84 acre
9 06 acres
SW -6
0 18,acre
7 6 acres
B Provide a`narrative description of significant materials that-are currenfly�gr, in the past three years have been treated, stored'or disposed in a,manner
to allow exposure to storm water, method of treatment, storage, or disposal, past and present materials management practices employed
to minimize contact by these materials with storm water runoff, materials loading and access areas, and the location; manner, and
frequencyin which pesticides, herbicides, sal conditioners, and ferblizers,are,applied
See Attachments 6 and 7
C For each outfall,,peovide the location and,a descripboniof existing structural and nonstructural, control measures`toreduce pollutants in storm-water
runoff, and a description of the treatment the storm water receives, including "the schedule and type of maintenance for control and treatment
measures and the ultimate disposal of any solid or fluid wastes other`than by discharge
Outfall
List Codes from
Number
Treatment _
Table 2F -1
See Attachment 7
V. Nonstormwater Discharges
A I certify under penalty of law that the outfall(s) covered by this application have been tested or evaluated for the`presence of nonstormwater discharges,
and that all nonstormwater dischar es,from,these outfall(s) are identified in either an accompanying Form 2C or Form 2E application for the outfall
Name and Official Title (type orprnnt)
Signature
Date Signed
Regina G Elledge, Chemistry Technician
04P - at, —oS
B Provide a description of the method used, the date of any testing, and ttie onsde drainage points that were,directly observed dunng,a test,
The stormwater outfalls were visually observed on June 17, 2005 No non-storm water was observed
Ste' �i"" fis
TS���"rR':ff�d " M
VI. Significant Leaks or Spills k " ��:.rE �F' °� _�
IND
Provide existing information regarding the history of significant leaks or spills of toxic or hazardous pollutants at the facility in the last three years, including
the approximate date and location of the spill or leak, and the type and amount of material released
There have been no,leaks or spills of toxic or hazardous'pollutants on -the old or,new °access roads in the,past•three years
EPA Form 3510 -2F (Rev 1 -92) Page 2,of 3 Continue on Pagej3
STF ENV408F2

- EPA,ID Number (copy from =Item I of Fortn -l) '
Continued from Paae 2 NC0000396
VII. Discharge Information
A, ,B, C, & D See instructions before proceeding Complete 'one set of, tables for each outfall Annotate the outfall number in the spaceprovided
Tables VII =A, VII -B, and VII- C`are'included,on se araie sheets numbered VII -1, and VII -2
E - Potential discharges not covered by analysis - is any,pollutantilisted m.table 2F -2, 2F, Ior 2F -4, a substance or a component of a substance which
you currently use or manufacture as -an intermediate or final product or byproduct?
® Yes (list all such pollutants below) No (go to'Section IX)
The following elements could be present'in coal and %or oil
Antimony Nickel
Arsenic Selenium
Beryllium Silver
Cadmium Thallium
Chromium Zinc
Lead
Mercury
VIII. Biological, Toxicity Testin � Data - � • � � -�� . � ���
Do you have anyknowledge 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,3 years ?,
Yes (list all such pollutants below) ® No (go to Section IX)
IX. Contract-Analysis Information
Wereiany of the analysis reported;in item VIII performed by a contractllaboratory or consultirigfirm?
Pfl Yes (bst'the name, address, and telephone number of, and pollutants No,(go to Section ),Q
analyzed by, each such'laboratory or firm below)
A Name
B Address
C Area'Code & Phone No
D Pollutants Analyzed
Pace AnalyticakServices; Inc
2225 Riverside Drive
(828) 254 -7176
Metals, BOD, TSS, COD,
Asheville, INC 28804
Total.Nitrogen, Total
Phosphorus, Total Kledahl
Nitrogen, Nitrate- Nitrite
Pace Analytical Services, Inc
9800'Kincey Avenue, Suite 100'
(704)'875 -9092
Oil & Grease
Huntersville, NC 28078
X. Certification I 111
,
I certify under penalty of law that this' document and all attachments' were prepared under my direction or supervision in accordance
with a system designed to assure that qualified personnel properly gather and evaluate the information submitted- Based on my
inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the
information submitted is, to the best of my.knowledge,and'behef, true, accurate,, and complete l,am aware that there are significant
penalties for'submitting false information, including the possibility`of fine and imprisonment for,knowing- violations
A Name & Official Title (type orpnnt)
B Area Code and Phone No
William A Phipps
(828)'687-5201
C signatur
'D Date Signed
� L il/� �
�w
EPA`Form 3510 -2F (Rev 1 -92) - Page 3 of 3
STFIENV408F 3

EPA ID 'Number (copy from5ltem /of Form 1)
N C0000396
Form Approved OM& No 2040 -0086
Approval expires 5 -31 -92
VII. Discharge Information Contlnued from page 3 of Form 2F
Part A -You must provide the results of at least one analysis for every pollutant in this table Complete,one.table for each outfall `See instructionsJor
_ additional details
Pollutant
,and'
CAS Number
if available
Maximum Values
(include units)
Average Values
(include units)
Number
of'Storm
Events
Sampledl
Sourcesof'Pollutants_
Grab Sample
Taken During
First 20
Minutes
Flow- weighted
Composite
Grab Sample
Taken During
First 20
Minutes
Flow- weighted
Composite
Oil,and Grease
< 5'0 mg /I
N/A
< 5 0 mg /I
NA
2
Below'detection limit
Biological Oxygen
Demand (BOD5 )
2 0 mg /I
4 0 mg /I
1
Decaying vegetation
Chemical Oxygen
Demand COD)
48 mg /I,
35,mg /I
24'mg /I
NA
2,
Decaying vegetation
Total'Suspended
Solids (TSS)
6 3 mg /I
4 3 mg /I
3 2 mg /I
NA
2
Erosion, settled dust/debris
Total
'Nitrogen
0 33,mg /I
0 Xn g/I
1
Fertilizer
Total
Phosphorus
< 0 1 mg /I
< 0 1 mg /I
1
Below detection limit
,pH
Minimum 7 26
1 Maximurm 7 26
Minimum
Maximum
1
1 None
Part 6- List each pollutant that is limited in an,effluent,guideline which the facility is subject toor any pollutant listed'in the facditys'iNPDES permit for its
process wastewater (if the facility is,oPerating under an existing NPDES permit) Complete +one table for each outfall See4he instructions for
additional details and r uirements
Pollutant
and
'CAS Number
(if availa`ble
Maximum Values
(include units)
,Average Values
(include units)
Number
of Storm
Events
Sampled
Sources of Pollutants
Grab,Sample
Taken'Dunng
First 20
Minutes
Flow- weighted
Composite
Grab Sample
Taken During
First 20
Minutes
Flow- weighted
Composite
Copper, Total
0.0036 mg /I
0 0026 mg /I
1
'Corrosion of pipes, equipment
(7440 -50 -8)
Iron„Total
0.36 mg /I
0 32 mg /I
1
Corrosion of pipes, equipment
(7439 -89 =6)
Arsenic, Total
<0 005 mg /I
<0 005 mg /I
1
Below detection limit
(7440- 38 -2)
Selenium, Total
<0 005 mg /I
<0 005`mg /I
1
Below detection limit
(7782 -49 -2)
Chlorine, Free
<0 020 mg /I
NA
- 1
Below {detection limit
Available
Chlorine, " Total
0 020 mg /I
NA
1
No known source, may be due to
Residual
turbidity
Temperature
16 0 degrees C
NA
1
None
EPA Form'3510 -2F (Rev. 1-92)
Page VII -1
Continue on Reverse
STF,ENV408F °4

Continued from the Front
Part C - List each pollutant shown in Tables 217-2, 2F =3, and 2F-4 that you know or have reason to believe is present See the'instructions for additional
details, and requirements Complete one tablefor each outfall _
Pollutant
and
CAS Number
(if available)
,Maximum Values
(include units)
Average Values
(include units)
Number'
of`Storm
Events
Sampled
Sourcesof'Pollutants
Grab,Sample
Taken During
First 20
Minutes
Flow- weighted
Composite
Grab Sample
Taken During
First 20
Minutes
Flow- weighted
Composite
Total Kjedahl
<0 50 mg /I
<0 50 mg /I
1
Fertilizer usage
Nitrogen
Nitrate- Nitrite
0 33 mg /I
0 30 mg /I
1
Fertilizer usage
Part D- ProvndeAata for,the,storm event (s) which resulted'in the, maxi mum values for the' flow weighted- composite sam le
1
Date of
Storm
Event
2
Duration
of Storm Event
(in minutes)
3
Total rainfall
during storm event
(m inches)
4
Number of hours between
beginning of storm meas-
ured and end of previous
measurable rain event
5
Maximum flow rate during
rain event
(gallonshninute or
specify units)
6'
Total flow from
rain event
(gallons or specify units)
5 -20 -05
2 -21 -05
5,100 min
2,040 min
1 0507 inches
0 94 inches
72 hours
158 hours
1 2 gallons /minute
NA - sampled per NPDES
permit- Maximum flow
rate not'required
258,473 gallons
231,241 gallons
9 Pro de a description of the method of flow measurement or estimate
Flow was estimated by measuring the length of time taken to fill a container of known volume
EPA Form 3510- 2Fi(Rev 1-92) Page VII-2
STF ENV408F 5

N
0 600 1,200 2,400 3,600 4,800
Feet
a
Attachment 1 — Form 1 — Item XI — Map
Carolina Power & Light Company
Asheville Steam Electric Plant
Buncombe County
Page 1 of 2
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Attachment 1 — Form 1 — Item XI — Map
Carolina Power & Light Company
Asheville Steam Electric Plant
Buncombe County
Page 1 of 2

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660 330 0 660 1.320 1,980 Feet
Attachment 1 — Form 1 — Item XI — Map
Carolina Power & Light Company
Asheville Steam Electric Plant
Buncombe County
Page 2of2

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Carolina Power & Light Company d /b /a Progress Energy Carolinas, Inc.
Asheville Steam Electric Plant
National Pollutant Discharge Elimination System'Permlt Number NC0000396
Attachment 2
Form 2C - Item PI -A Flow, Sources of Pollution, and Treatment Technologies -
Stream
Name
Average Flow
Comments
A
Ash Pond Discharge
2 06' MGD
Outfall 001
B,
Intake to -Once- through Cooling,& Circulating
Water to Heat Exchangers
228 2 MGD
C
Plant Potable and Sanitary Uses
0 007 MGD
From POTW
D
Makeup to`Lake from River
6500 gpm
Maximum' Flow
E
_
Low Volume Wastes
• Ash Hopper Seal's
• Sandbed Filter Backwash
Boiler Blowdown
0 "05 MGD
2600 Gal /event
0,006 MGD
Rare Usage
Startup,- Estimated
F
Circulating Water,from Heat Exchangers
19 3 MGD
Estimated
G
Ash Sluice Water
2'02 MGD
Estimated
H
Dam Seepage
0 09 MGD
Calculated
I
City Water Supply to Boiler'Makeup
0 MGD
Rare 'Usage,
J
Coal Pile Runoff
0 01 MGD
Based on Average Annual
Rainfall of 47" and 50 % Runoff
K
Storm Water
0 052 MGD
Estimated
L
Chemical Metal Cleaning'Wastes
0 - '90,000 Gallons
(0 gallons anticipated)
'Normal Practice�is Evaporation
IM
Water From Combustion Turbine Facility
Operation
0 -0 021MGD
Intermittent
N
From Lake to,lntake
228 25 MGD
Estimated
O
Intake to ,Service Water
0 05 MGD
Estimated
Q,
Fire Protection Water
0 010 MGD
Estimated
R
Air Preheater Cleaning
10,000 gallons /event
Estimated
S
Dischargelto Lake Julian
226 2,MGD
Outfall 002 - Estimated
T
Emergency Fire Protection Water
0
Used for fire fighting
U
Diesel Fire Pump to Lake" Julian
0 128 MG /week
Estimate - pump testing
V
Flue Gas Desulfunzation Blowdown
-
0 108 MGD
_
Estimated - operational
November 2005
X
Intake to FGD system
0 97 MGD
Estimated - operational
November 2005
Y
Chloride Dilution Water
-0 432 MGD
Estimated - operational
November 2005
Z ,
Constructed Wetland Discharge
0 54 MGD
Estimated - operational
November 2005
AA
Consumptive, loss from FGD system
0 43 MGD
Estimated = operational
November 2005
2

Carolina Power & Light Company d /b /a Progress Energy Carolinas; Inc.
Asheville Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0000396
Attachment 3
Form 2C - Item II -B Flow, Sources of Pollution, and Treatment Technologies
The Asheville Steam Electric Plant'is located in Arden, North Carolina south of Ashevi_Ile, North
Carolina The Asheville Steam Electric Plant is a coal - fired, steam cycle electric generating
plant with ,two generating, units Two Internal Combustion (IC)` Turbines are also located'on the
plant site. The plant has a 320 -acre cooling lake (Lake Julian) on the east side of the French
Broad River in Buncombe County, North Carolina
Chemical constituents contained in the discharges from this plant will, in part be representative
of the naturally occurring chemical quality of the intake water and will also have chemical
constituents of such quality and quantity associated with similar discharges for fossil generating
facilities of this size, type and in this geographical location. Either all or part of the elements
listed on the Periodic Table, either singularly or in any combination, may from time to time be
contained in' the discharge
Outfall 001 - Discharge from Ash Pond to French Broad River
The Plant's ash pond, which is located east of the French Broad River and south of the plant,
discharges into,the French Broad' River. The, ash pond receives ash sluice water,, lowIvolume
wastes, coal pile runoff, limestone pile runoff,' gypsum pile runoff„ air preheater cleaning water,
fire protection system drainage, chemical metal, cleaning wastes (potentially), storm water and
other waters from the Combustion Turbine Facility constructed on the Plant's site The
proposed truck wash and weigh stations will also discharge to the Ash Pond The pond
provides treatment by sedimentation and ,neutralization to the aboVe- referenced individual
waste streams Water leaves the ash pond via a standpipe with skimmer and flows by pipe and
lined ditch to a secondary basin, where it is discharged by overflow to a ditch that coveys it to
the French Broad River. Detailed descriptions of the individual waste streams are below.,
Ash Sluice: Water
Fly ash, and bottom ash from both units are hydraulically conveyed by an ash sluice pipeline to
the ash pond The Amine Enhanced Fuel Lean Gas Reburn (AEFLGR) process which was
installed on Unit 1 in the spring of 2000 will be replaced by a Selective Catalytic Reduction
1

Carolina Power & Light Company
Asheville Steam Electric Plant
National Pollutant Discharge Elimination System Permit'Number NC0000396
system (SCR) that will begin operation in 2008 A SCR will be installed on Unit 2 and will begin
operation,zin 2006 Urea will continue'to be utilized to reduce NOx emissions and will, be used in
high ozone months (approximately May through September) Beginning in 2009 both SCRs will
be operated year round A byproduct of this process is ammonia which will be carried to the
ash pond via ash sluice water The ash pond discharge flows into the secondary settling pond
where it combines with the FGD treated wastewater prior to discharging to the French Broad
River
Coal, Pile Runoff
Storm,water runoff from the coal pile,is collected in drainage ditches that surround the coal pile.
The drainage ditches are routed to the ash pond for treatment. During maintenance activities,
sludges removed from catch basins, sumps, etc. may be transported ,to the old and /or the new
ash pond for,disposal.
Limestone and Gypsum Piles Runoff
Storm water runoff from the limestone and gypsum piles is collected in drainage ditches which
are routed to the ash pond ,for treatment: During maintenance activities, sludges removed from,
catch basins, sumps, etc: may be transported to the old and /or the new ash pond for disposal
Storm Water
Storm water runoff from the plant area, parking lots, combustion turbine area, oil storage and'
handling facility and the plant's'115 KV substation is routed to the ash pond for - treatment.
During maintenance activities, sludges removed from catch basins, sumps, etc may be
transported to the sold an- Wor the new ash pond for disposal
Low Volume Wastes
Boiler water make up is withdrawn from Lake Julian and purified utilizing vendor supplied
equipment Boiler water -is treated with ammonia, hydrazine, and sodium hydroxide Boiler
blowdown and drainage is sent to the ash pond and may'contain small quantities of the
chemicals Some molybdate waste from the closed cooling water system is created through
valve leakage' and maintenance activities and is discharged to the ash pond A furnace ash
'hopper seal is, maintained by using plant service water, A standard operation water'level is
maintained in a seal trough for the ash hopper seal Overflow from this trough is discharged to
the ash pond' A sodium hydroxide solution is fed into this flow stream as necessary for ash
2'

Carolina Power & Light Company
Asheville Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0000396
pond pH adjustment Sulfunc acid is fed to the ash sluice water as necessary for ash pond pH
adjustment Coal dust suppression is achieved by spraying a proprietary chemical on coal at
different stages of coal use Small amounts of excess dust suppression chemical have the
potential to be discharged to the ash pond via plant drains or coal pile runoff Small amounts of
urea waste, from bulk urea unloading operations are discharged to the ash pond All plant area
floor drains are routed to the ash pond and include equipment drainage and wash; down along
with rainfaR runoff During maintenance, activities sludges removed' from catch basins, sumps,
etc may be transported'to the old�and /or the new ash pond fordisposal
In many cases, added chemicals are consumed or chemically altered during the plant
processes Only trace amounts might,be recoverable an water entering the ash pond .
Detectable levels of'these chemicals would not be expected to occur in ash pond discharges.
Flue Gas Desulfurization Blowdown (Low Volume Waste)
The Flue Gas Desulfurization (FGD) system directs flue gas into an absorber where a limestone
(calcium carbonate) slurry is sprayed. Sulfur dioxide in the flue gas reacts with the limestone ,to
produce calcium sulfate (gypsum) This system reclaims any unreacted limestone slurry to be
reused in the absorber. A small blowdown stream is used to maintain the chloride
concentration in the reaction tank The blowdown stream is passed through a clarifier to
remove solids and the chloride concentration in the waste stream is diluted using water from
Lake Julian A constructed wetland is used to remove metals, mercury and selenium
specifically, and ,the treated wastewater is discharged into the secondary settling ,pond
Air Preheater Cleaning (Low Volume Waste)
The air preheater will be water- washed once per year or more frequently as needed The
wastewater from this activity will be discharged to the ash' pond.
Chemical Metal Cleaning Wastes
The boilers are chemically cleaned every five -to -eight years using Tetraammonia ethylene
diamine tetraaccetic acid (EDTA) solution This cleaning solution and its rinses are stored on
site for disposal by evaporation,`in an operating unit's furnace. Typical cleanings would result in
a waste of approximately 80,000-gallon s. Should evaporation not be used, the wastewater can
be treated by neutralization and precipitation -prior to being conveyed to the old ash pond with
permission of the DWQ, or to the new ash pond, or other means of disposal - Cleaning of other -
3

Carolina Power'& Light Company
Asheville Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0000396
heat exchanger surfaces may produce 5,000 - 10,000 gallons of°wastewater every three- to =five
years
Other Wastes
Operation of the combustion turbine (CT)'generation facility may, produce turbine blade wash
water, inlet filter cooling water, various condensate waters, and water from equipment and tank
drains. These wastewaters will be collected in the storm water collection system of the CT site
and ,routed to the ash pond During maintenance activities; sludges removed from catch
basins, sumps,, etc may be transported to the old and /or the new ash pond, for disposal.
- Plant Potable and Sanitary System -
The supply of water for plant potable and sanitary use is obtained from the Asheville /Buncombe
Water Authority system and waste from this system- is discharged to the Metropolitan Sewage
District System
- 230 KV Substation Storm Water -
Storm water runoff'from the substation Iodated adjacent to the plant is conveyed to the old ash
pond
Outfall 002,­ Discharge'to Lake Julian
Once- Through Cooling Water
This flow provides condenser cooling water for the generating units 1 and 2. Maximum
condenser flows for units 1 and 2 are 150 MGD and 156 MGD, respectively.
Once- through cooling water is used to supply non - contact cooling water for the component
closed cooling water system. The component closed cooling water system flows combine with
unit 1 and 2 condenser flows prior to discharge to Lake Julian. Maximum component closed
,cooling water system'flows for unit 1 and 2 are 9 1 MGD and 10 2 MGD, respectively
Discharge flow to Lake Julian'is calculated at,the intake, to units 1 and 2 condensers and to the,
circulating water to the heat exchanger The discharge of water from the heat exchangers is
routed to an ash sump. The majority of this water is further routed to the discharge of units 1
and 2 condensers Less than one percent of the flow to the ash sump is used to supply ash
sluice water, preheater cleaning water; and' fire protection water.
4

Carolina Power &.Light Company
Asheville Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number N00000396
Control of biological fouling on'heat- exchanger surfaces is accomplished by addition of sodium
;hypochlorite as required, which is usually less that 2' hours, per day per unit, with a net total
residual chlorine of less than 0 2 ppm discharged during that period Cooling is accomplished
by evaporation from the surface of Lake Julian and mixing and convection with lake waters _
Make up for Lake Julian is from the French Broad River, natural runoff and creek flows. Water
.is pumped from the French Broad ,River during dry periods to supplement the flow Although
discharge from Lake Julian to the river is extremely rare, any occurrence would be during
periods of heavy rainfall
5

Carolina Power & Light Company d /b /a Progress Energy Carolinas, Inc.
Asheville Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0000396
Attachment 4
Form 2C - Item VI Potential Discharges Not Covered' By Analysis
Chemical
Estimated Quantity
Frequency
Purpose
Used er ear)
Hydrazine (35 %)
400 gallons
Continuous
Oxygen scavenger in
boiler
Ammonium hydroxide
500 gallons
Continuous
pH control of boiler
water
Sodium, hydroxide
24,000 gallons
Continuous
pH control of ash pond
(25%)
Sodium hydroxide
30 gallons
As required
pH control of boiler
(50 %)
water
Sodium hypochlonte
10,000 gallons
As required
Controi of biological
(15 %)
fouling on heat
exchangers
Sodium molybdate
100 pounds
As required
Corrosion control in
closed cooling water
system
Tetra-ammonia EDTA
35,000 pounds
Every 5 to 8 years
Boller cleaning
(38'/0)
Urea
150,000 gallons
Continuous d,unng
NOx control
iii h ozone months
Sulfuric acid (93`'/0)
Variable
As needed
pH ,control,pf ash pond
BetzDearborn Dustreat
11 „400 pounds -
As required
Coal dust'suppression -
DC91'36
estimated
proprietary chemical
Fyrewas'h (detergent)
200 gallons
As needed
Corrmbustion turbine
blade washing
Detergents /cleaning
Variable
As needed
Housekeeping
agents
Limestone (Calcium
72,000 tons -
Continuous
Flue Gas
carbonate )
estimated
Desulfunzation
Polymer (high weight,
3250 pounds -
Continuous
Solids removal — FGD
anionic, emulsion-type)
estimated
wastewater
Coagulant (Ferric
3000 gallons -
Continuous
Solids removal — FGD
chloride — 41 %)
estimated
wastewater
Sodium Hydroxide
7700 gallons -
Continuous
pH adjustment — FGD
(25 %)
estimated
_wastewater
Hydrochloric Acid
2000 gallons -
Continuous
pH adjustment — FGD
(30%
estimated
wastewater

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SW -3
SW -2
Attachment 5 — Form 2F — Item III — Map
Carolina Power & Light Company
Asheville Steam Electric Plant
Buncombe County
Page 1 of 3

Attachment 5 — Form 2F — Item III Site Drainage Map
Progress Energy Carolinas, Inc.
Asheville Steam Electric Plant
Buncombe County
Page 2 of 3

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Carolina Power & Light Company d /b /a Progress Energy- Carolinas,'Inc.
Asheville Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0000396
Attachment 6
Form 2F - Item IV B. Narrative Descri'ptlop of Pollutant Sources
The enclosed site drainage maps (Page 1 — newaccess road, Page 2 — old access
road ) display the sections of the site access roads from which storm water will
discharge.to Lake Julian or an unnamed tributary of Powell Creek which discharges into
the French Broad River Storm water from other sections of the roads flows via 'sheet
flow or is conveyed to the ash pond or to the hot pond prior to discharging -to,
respectfully, the French Broad River and Lake Julian. The discharges from the hot
pond and ash pond to Lake Julian and the French Broad River, respectively, are
NPDES ,permitted discharge outfalls
New Access Road
The portion of the road from which storm water will discharge directly to Lake Julian is
divided into 3 separate ,drainage areas, each w_ it'h an outfall. Storm water that'i's routed
to SW -1 is carried to Lake Julian using piping, grass -lined ditches, concrete -lined
ditches and sheet flow. The area drained contains Carolina Power & Light Company
d /b /a Progress Energy Carolinas, Inc. (PEC) property, non -PEC property, the access
road and a railroad storage yard where coal - filled rail cars can be stored Storm water
that is routed to SW -2 will be collected in a riprap -lined ditch that will then allow sheet
"flow to Lake Julian The area drained contains only the access road. Storm water that
is routed to outfall SW -3 will be_routed -through piping and' both grass and riprap -lined
ditches. The area drained to SW -3 include_ s PEC property, non -PEC property, the
access,road, and the railroad storage yard. PEC can only provide a rough estimate of
impervious area for the property not owned by PEC
The property used for the new access road was purchased by PEC. The past use of
this property was residential; therefore, SPEC has no knowledge of any significant
materials that have been treated, stored or disposed on thl's,,property in the past. PEC
staff performed a ,limited Phase 1 Environmental Site Assessment on this property and .
found no visual evidence of the storage, use, or disposal of chemicals or hazardous
substances. Any chemicals used are likely limited to consumer products in limited
quantities. PEC has stored in the past and will store in the future coal at the railroad
storage yard. The coal is contained in rail' cars that are waiting to be unloaded at the
plant. Other than the coal stored at the railroad storage yard, PEC has not treated,
stored or disposed of any significant materials on any property already owned by PEC
in the drainage area ,of,this access road and ,has ,no plans to treat,, store, or dispose of
significant materials on this access road or on immediately surrounding property owned
by PEC in the future. No materials loading or unloading activities will take place on the,
access ,road, railroad storage yard, or on immediately surrounding property owned by
PEC. Various brands of commercial herbicides (i.e., Roundup, Crossbow) might be
used to control weeds and other unwanted plant growth for security reasons. These
herbicides will be carefully applied by licensed applicators, or persons under the
immediate supervision ,of a licensed applicator, in accordance with the rrnanufacturef's
instructions. Fertilizers, pesticides (other than herbicides), and soil conditioners will not•

Carolina Power & Light Company
Asheville Steam Electric Plant
National Pollutant, Discharge Elimination System Permit Number NC0000396
be used by PEC No hazardous waste treatment, storage; or disposal will occur-on this
property.
Old Access Road
The; portion,of the road from which storm water will discharge directly to Lake Julian is
divided into 3 separate drainage areas each'with an outfall. Storm. water that is routed
to SW -4 flows over grass -lined ditches and gravel to Lake Julian. The area drained
contains PEC property, non -PEC property, and the old access road. Storm water that
is routed to'SW -5 is collected in a grass =linetl ditch that discharges into a' concrete,
conveyance that discharges into ,the Lake Julian spillway. The-spillway-discharges to
an unnamed tributary of Powell Creek which discharges to the French Broad River.
The area drained contains only` PEC property, including the access road Storm water
-that is routed to outfall SW -6 is conveyed through grass -lined ditches and piping °to
Lake Julian.- The area drained contains PEC property including the access road and a
picnic area with several buildings and a shelter.
PEC has not treated, stored or disposed of any significant materials on property owned J
by PEC in the drainage area of this access road and has no plans to treat, store, or
dispose of significant materials on property m the drainage area owned by PEC No
materials loading or unloading activities will take place on the access property owned 'by
PEC. Various brands of commercial herbicides (i.e., Roundup, Crossbow) might be
used to control weeds and other unwanted 'plant growth for security reasons. These
herbicides will be carefully applied by licensed applicators,, or persons under the
immediate supervision of`a licensed applicator, in accordance with the manufacturer's
instructions. Fertilizers, pesticides (other than herbicides), and /or soil conditioners will
not be used by PEC in this drainage area. No hazardous waste treatment, storage, or
disposal will occur on PEC property in this drainage area.
2

Carolina Power & Light Company d %b /a Progress Energy Carolinas, Inc.
Asheville Steam Electric Plant
National Pollutant'Discharge Elimination System Permit Number NC0000396
Attachment 7
Form 2F - Item IV C. Narrative Description of Pollutant Sources
No conventional treatment will be provided for the storm water discharging from any of
the ou,tfall's. Prior to discha_'rging to Lake Julian, storm water from Outfalls SW -1, SW -2,
SW -4, SW -5, and SW-,6 will flow over a vegetative buffer which will provide some
filtering, of sediment from the storm water
All coal, limestone, and gypsum trucks that travel on the access road are required to be
covered which will prevent spillage on this road. These same trucks are required to
wash, down their wheels prior to exiting the site The wash water from these wheel
washes `isAischarged in the ash pond for treatment.
During maintenance activities,_ sludges removed from ditches or,manholes may be
transported to the old and /or new ash pond for disposal.
'1

§ 316(b) Supplement,to NPDES Permit)VC00,00396 Reissuance Application
- Clean Water Act Section 316(b) -
The Asheville Steam Electric Plant is subject,to the . §316(b) Phase II regulations .Since
the plant',s cooling water intake is located on a freshwater lake (Lake Julian) it is subject
only to the impingement mortality reduction performance standard. This standard is a
80 — 95 % reduction in impingement mortality from the calculation baseline.
The Asheville plant chooses to demonstrate that the design 'intake velocity is 0.5 feet per
second or less in accordance with the compliance option presented in ,§ 125.94(a)(1)(11).
This demonstration allows the plant to be deemed compliant with the impingement
mortality performance standard. Additionally,, according°to the regulation the plant is not
required to submit ,or be subject to the following:
Comprehensive Demonstration Study (CDS) including the Proposal for
Inf6rmation Collection [PIC] (§125.95)
2 Monitoring associated with any CDS component (§ 125.96)
3 Record;Keepmg and - Status Report ( §'125.97)
4 Permitting activities associated with §125.98.
As part of this NPDES permit reissuance application, the Asheville Plant, is submitting
the information as required by �§ 122.21(r)(1)(1i)
Asheville 31,6(b) Page 1

- Demonstration of Compliance in Accordance with §125.94(a)(1)(ii) -
§ 125.94WQ,)(h) authorizes a facility that demonstrates their design.mtake
velocity is 0.5 feet per second (fps) or less to be in compliance w`i'th -,the,impingement
mortality performance standard.
The cooling water intake structure located on the lake consists of an excavated
cove and an intake pump structure located at the end of the cove. At the mouth of the
cove is a skimmer wall which is described and depicted elsewhere in this material. The
opening at the bottom of the skimmer wall allows cooler water to enter the cove and
subsequently the pumps. An aerial photograph of this layout has been provided in
Figure 3. Also attached is the engineering drawing forAhe skimmer wall (ELEV A -A is
the cross = sectional of the skimmer wall).
Since the cove is a constructed waterway it is considered part of the intake
structure'. The actual inlet or opening to the cooling water intake, structure is through the
bottom of the skimmer wall. Additionally, since the facility has minimal operational
problems'with d °ebns .or fish' clogging the condenser tubes, ,there are no 3/8 inch screens
at either the skimmer wall opening or the`mtake pumps. The pumps do have bar racks
and a very,coarse mesh, fixed screen (chicken wire). The intake water velocity passing
through the bottom of the skimmer wall is calculated to be 0:42 fps, based on the ratio of
design flow in cubic feet per second (cfs) to the square footage of the open area. (See
Figure° 4). Consequently the plant has demonstrated compliance with 40 CFR
125.94(a),(1)(ii) [design intake velocity of < 0.5 fps.]. Further rationale for compliance'is
as follows:
• "Design intake velocity" is defined at 125.93 to mean the speed at which the intake
water passes through the open area of the intake screen or other device The skimmer -
wall is an "other device" so the water passing through 'the open area of another device
is < 0.5 fps.
• Since ,there are no screens at the opening to the intake structure there is nothing to
impinge fish.
Intake veloc`i'ties are low ,and, approach velocities, should be lower so fish can maintain
sustainable swimming speeds and escape being caught up in any currents that would
force them into the cooling water structure However; even if fish enter into the
intake structure (in this case the cove) there still is no regulatory issue since
entrainment (usually applicable to non - motile, planktonic eggs and larva which are
minimally found in a fresh water lake ) is not a performance standard for intake
structures located on fresh water lakes
' 40 CFR�§ 125 93 defines a cooling water intake structure as the total physical structure and.any associated
constructed waterways
Asheville 316(b) Page 2

- River Intake -
The plant operates a make =up pump on the French Broad River that serves to keep
the lake at optimum level's for operation of the plant. We believe the river intake pump is
not subject to the Phase II rules nor is it a factor for facility compliance The background
for this position is as follows:
The design of this make -up pump is currently 7.2 MGD and will be increased to 9.36
MGD to provide additional make -up to the lake due to projected Flue Gas
Desulfurization (air scrubber) process water needs. It is debatable whether this intake
should be considered for 316(b) purposes. This make -up pump is operated based on
lake levels not necessarily�cooling water needs. The regulation states that at least
25% of water withdrawn must be used exclusively for cooling purposes, measured on
an average annual basis. For the past 12 years the average annual flow of the makeup
pump has been 2.24,MGD or about 31% of the design. We cannot say definitively
that this 2 24 MGD is used exclusively for cooling. For example on the average there
is about 2.08 MGD of lake water withdrawn that, is used for non - cooling purposes
('ash sluice, fire pump testing, and;consumed service water,). Also there is an
undetermined amount of lake water- lost - through dam seepage that needs to, be made
up. If we subtract the 2 07 MGD, non - cooling water uses from the flow of 2.24 MGD
we find that only about 80 2 of the annual average 2 24 MGD flow from the river
intake can be said to be ,used exclusively for cooling. However, this 8% is below the
25 % threshold so the Phase II regulations, would not apply.
Furthermore when this makeup pump is expanded to 9.36 MGD the expansion will
coincide with the need for process water for the air scrubbers, not cooling water. The
air scrubbers will require an average of approximately 100 MGD of process (non -
cooling) water. Therefore if we add the 1.00 MGD to the existing 2.07 MGD average
consumptive (non- cooling) use we obtain a percentage of possible cooling water use
of only approximately 5 %3, still below the 25% threshold.
• Looking at the aggregate of the cooling system for the plant, the river intake will
constitute only about 3% of the total design intake flow of the cooling system. Since
the river intake design is only about 3% of the total design flow for the cooling
system (assuming the river water is used exclusively as cooling water) the plant takes
the position that if 97% of the cooling system intake structure is in compliance with
the phase II regulations due to compliance with §125.94(a)(1)(ii), the entire system'is
in compliance with the 80 - 95% impingement reduction standard.
Z 2 24 -2 07 =0 17, 0 17/2 24= 075 =8%
s 3 24- 3 -07 =0 17,0 17/,3 24= 052 =5%
Asheville 346(b,) Page 3

• In uddition'the river intake design is considerably less than 5 %4 of the mean,annual
flow of the French Broad River so entrainment is not an issue.
4 Mean Annual Flow of French Broad River = 1800 cfs (1162 8MGD) as per communication with J C
Weaver, USGS, September 2003 9 36/1162 8 = 0080 =0 8%
Asheville 316(b) Page 4

NPDES Permit Application Requirements ,for §3I6(b) Compliance
022.21(r)(2) — Source Water Physical Data
(a) A narrative description and scaled drawings showing the physical configuration of all
source water bodies used by the facility, including areal ,dimensions, depths, salinity and
temperature regimes, and other documentation that supports the determination of the
water body type where each cooling water intake structure as located
The plant's,coolmg water source waterbody is Lake,julian, located m,Buncombe
County, North Carolina. Lake Julian is a deep, freshwater mountain lake with relatively
clear waters, low nutrient concentrations, and low biological productivity The lake was
created as a cooling lake by impounding Powell's Creek, a tributary of the French Broad
River (see Figures 1 and.2). The lake reached full -pool elevation in June 1963 What is
referred to as the discharge arm of the lake has a surface area of approximately 106.2
acres and a mean depth of approximately 13 feet; the main body of the .lake has a surface
area of approximately 215 acres, a maximum depth of approximately 1,08 feet, and a
mean depth of approximately 29.5 feet These two arms of the lake are physically
divided by-two earthen railroad dikes. This is a fresh water lake and the salinity seldom
increases above IO,mg%L. In regard to temperature regimes, cooler (hypolimnectic) water
is withdrawn under the skimmer wall in the main body of the lake. During 2,004; the
temperature of the surface,waters in the main body ranged from 17.6 *C to 34 5 o with a
mean of 26.3 'C. The mean wateftemperature recorded during 20`04 in the main body
was within the range of mean values.reported since 1992. A thermoclme develops duhng
the spring and summer at about 62 -65 feet in depth. The water temperature in the
discharge arm ,of the lake ranged from about 11.1 'C to 36.8 'C with a mean of 26.1 'C.
In addition to the lake as the predominant cooling water source waterbody, the,
plant operates a make -up pump on the French Broad River that serves to keep the lake at
optimum levels for operation of the plant. At the location of the make -up pump themver
is approximately 200 feerwide with depths varying depending on rainfall. On September
17, 2003 Progress Energy conducted a comprehensive bathymetry of the section of the
river at the plant. The average depth was 3 17 feet with,ranges from 0.5 feet to 8.4 feet.
Temperature regimes are expected to reflect ambient influences.
Asheville 316(b) Page 5

(aa) Identification and characterization of the source waterbody's hydrological and
geomorphological features, as well as the methods you used to conduct any physical
studies to determine your intake's area of influence within the waterbody and the results
of such, studies
- Lake Julian —
Hydrological Features - The lake's 4.7 square mile watershed is primarily
residential and urban. Based on the annual average flow (cfs /square mile) from the
USGS gauging stations in Buncombe County that.have adequate historic records the
annual ave rage drainage�is approximately two cfs /square, mile. Water loss from the lake
water budget is attributed to evaporation, spill over the dam, seepage and consumptive
use by the plant.
Geomorphological Features,— The relief contour of the lake bottom is depicted in
the attached topographical map (Figure 2)
Area of Influence - Since no PIC or new biological studies .are required to be
developed, no area of'mfluence has been determined
- River Makeup Intake -
Hydrological Features — The drainage area of the French Broad' River,at the intake
site is approximately 654 square miles Use of the annual average flows from the USGS
gauging station downstream at Asheville produces a mean annual flow of app_ roximately
1800 cfs at the plant site.
Geomorphol'ogical Features — The river is approximately 200 feet wide with
depth varying according to substrate and rainfall Substrate consists of rocks and
boulders.
Area of Influence - Since no PIC or new biological studies are required to be
developed, no area,of influence has been ,determined.
(iii) Locataonal maps.
See Figures 1 and 2
§122.21(r)(3) — Cooling water intake structure data.
(a) A narrative description of the configuration of each of your cooling water intake
structures and where it is located in the water body and in the water column,
- Lake Intake =
A"" sheville,316(b) Page 6

The plant's intake structure on the lake consists,of an intake, cove that 'has a
submerged skimmer wall at its entrance and a cooling water pump structure at the other
end The skimmer wall is approximately 27.5 feet deep to the top of the submerged
opening. The submerged opening has a dimension of approximately ten feet between the
bottom of the entrance to the intake cove and the bottom of the skimmer wall. The
submerged opening provides a total open area of approximately 1175 square feet (See
Attached Drawing of Skimmer Wall and Figure 3 which is a photograph of the entire
structure).
-River Intake —
This small structure is located on the shore of the French Broad River
approximately 240 feet upstream from the confluence of Powell's Creek and thenver It
consists, of a single pump housed in a ;structure that withdraws, water from the water
column of the river and pumps to a settling area in the lake. (See Attached Drawing of
River Intake structure)
`(az) Latitude, and longitude in degrees, minutes, andseconds for each of your cooling
water intake structures
The entrance to the intake cove from the lake is located at Latitude 35° 28' 23" N
and Longitude 82° 32' 38" W.
The river pump_ structure is located at Latitude 35',28' 24" N and Longitude 82°
33" 14" W
(aaa) A - narrative description of the operation of each of your cooling water intake
structures, including design intake flows, daily hours of operation, number of
days of the year in operation and seasonal changes, of applicable;
- Lake Intake —
The lake intake pump structure contains four intake bays, two for each unit Each
Unit 1 intake bay contains a cooling water pump having a design capacity of 48,300
gallons per,mmute (gpm). Each Unit 2 intake bay ,contains a cooling water pump having,
°a design capacity of 61;500,gpm. 'The total design capacity ofthe intake pumps is 316.2
million gallons per day (MGD) The attached graph (Figure 5) depicts the monthly
average cooling water intake flow variations over the last five years. As can be. seen the
flows peak and remain close to maximum, generally from May through September. The
average annual flow is approximately 247 MGD. This represents a reduction credit from
the design flow of about 22 %. The operation of the cooling water pumps reflect the
generation need and intake water temperature. Generally -at least one pump per unit is -in
operation all the time with all pumps being operational during peak generation periods in
the summer months.
Asheville 3'16(b) Page 7

- River Intake -
In order to ensure adequate lake levels for optimum operation it is necessary to
pump makeup water from the French Broad River into the lake dunng,penods of low
rainfall and high evaporative losses. Other means of water loss includes seepage through
the dam and consumptive use by the plant. The makeup pumps usually operate from
Mayor June to October or November. The current design of"the intake pump is 5000
gpm or 7.2 MGD. This pump represents only about 2 %5 of the total cooling system
design. As previously mentioned the ,design of this pump will be increased to 6500 gpm
(936 MGD) or,about 3 %6 of the design flow of the cooling water intake structure
pumps.
(iv) A flow distribution and water balance diagram that includes all sources of water
to the facility, recirculating flows, and discharges,
See flow schematic attached to NPDES 2C application.
(v) Engineering `drawings of the cooling water intake structure
See attached drawings, of unit 1 and unit 2 pumps, and skimmer wall.
122'.21(r)(5) Cooling water system data.
(1) A narrative description of the operation of the cooling water system, its relationship to
cooling water intake structures, the proportion of the design intake flow that is used in
the system, the,number of days ,of the year the cooling water system is in operation and
seasonal changes in the operation of the system, if applicable;
Lake Julian is the source of once - through condenser cooling water for the
Asheville Steam Electric Plant. Water is pumped from the main arm of the lake through
the plant condensers (heat exchangers) where it condenses the pressurized steam that is
spent after contacting the turbine blades that turn the generators. Once the steam, is
condensed it is returned to the boilers ,to be heated to steam again. The cooling water
makes one pass through the condensers before being discharged back into the lake
(termed once - through) The discharged cooling water is non - mechanically aerated prior
to entering a small cooling basin. The small basin discharges into what is termed the
discharge arm of the lake. The water then passes through a culvert system and enters the
main body of the lake. The cooling cycle is completed when water from the lake passes
beneath the skimmer wall and into the intake cove where, water is then withdrawn by the
condenser cooling'water pumps The lake cooling water,intake pumps have a design
flow of 316 2 MGD. Of this figure approximately 99% of the flow is used in the
[cooling] system when all pumps are in operation. The cooling water pump operation is
directly related to the operation of the cooling system needs. Usually in the winter
months when the•intake water is cooler the need to, operate both pumps per unit i&
reduced. (See previously mentioned graph inTigure 5)
s 7 2/316 2 = 022 =2%
6 9 36/316 2 = -029 =3%
Asheville 316(b) Page 8

(ii) Design and engineering calculations prepared by a qualified professional and
supporting data to support the description required by paragraph (r)(5)(i) of this section
See attached supporting information
Asheville 3;16(b) Page 9

- Information for Support of 122.21(r')(i) —
Design Flow
Example Calculation. GPM to MGD
48,300 ga ons
X
in " "te
1440 m utes
X
day
1 Million Gallons (MG)
69.55 MG /Day
1,000,000 gals
Proportion of 'Cooling Water Used in the System
Generally approximately 2 08 MGD9 of the cooling water that is withdrawn is -used for
non - cooling purposes. Proportioned to the intake design flow of 316.2 MGD, 99 %10 of
the once - through cooling water is used for cooling purposes
Number of Days / Year of Operation
Generally at least one cooling water intake pump, runs everyday On an infrequent
occasion all pumps may be offlme for a couple of days due to maintenance of the pumps
or other plant systems.
Seasonal Changes
During the colder months of winter when the intake water is cooler, the need to run all
pumps is diminished. Seasonal fluctuations of the, cooling system operation is depicted in
the attached graph (Figure 5) This information is based on monthly Discharge
Monitoring Reports.
7 Progress Energy Asheville, Manual Number ASH - 001 - 00221, Installation Job Summary, 1964
8 Progress Energy Asheville, Manual Number ASH - 002 - 00189, Extension Job Summary, 1971
9 Waier withdrawn through the cooling water pumps that is not used for cooling is 0 050 MGD Service
water, 0 010 MGD Fire Protection System, and 2 02 MGD Ash Sluice 0 05+ 01 +2 02 = 2 08 MGD
0 316 2- 2 08 =314 12 MGD 3.1412/3162 =0993 --99%
Asheville 316(b) Page 10
Design (GPM)
Design (MGD)
Total (MGD)
Unit 1
Pump 1
48,300
69.55
Pump 2
48,300
69.55
Unit 2
Pump 1
61,500
8856
Pump 2
_61,500
88.56
316.22
Example Calculation. GPM to MGD
48,300 ga ons
X
in " "te
1440 m utes
X
day
1 Million Gallons (MG)
69.55 MG /Day
1,000,000 gals
Proportion of 'Cooling Water Used in the System
Generally approximately 2 08 MGD9 of the cooling water that is withdrawn is -used for
non - cooling purposes. Proportioned to the intake design flow of 316.2 MGD, 99 %10 of
the once - through cooling water is used for cooling purposes
Number of Days / Year of Operation
Generally at least one cooling water intake pump, runs everyday On an infrequent
occasion all pumps may be offlme for a couple of days due to maintenance of the pumps
or other plant systems.
Seasonal Changes
During the colder months of winter when the intake water is cooler, the need to run all
pumps is diminished. Seasonal fluctuations of the, cooling system operation is depicted in
the attached graph (Figure 5) This information is based on monthly Discharge
Monitoring Reports.
7 Progress Energy Asheville, Manual Number ASH - 001 - 00221, Installation Job Summary, 1964
8 Progress Energy Asheville, Manual Number ASH - 002 - 00189, Extension Job Summary, 1971
9 Waier withdrawn through the cooling water pumps that is not used for cooling is 0 050 MGD Service
water, 0 010 MGD Fire Protection System, and 2 02 MGD Ash Sluice 0 05+ 01 +2 02 = 2 08 MGD
0 316 2- 2 08 =314 12 MGD 3.1412/3162 =0993 --99%
Asheville 316(b) Page 10

Figure 1