NCS000590_Renewal Application Pt 4_20160606

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 1
Item X — Existing Environmental Permits

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 1
Item X — Existing Environmental Permits
•iss_uiii`g Agency -_ . - Type'of,'Permit . " .-- _-PeriviirorID Number
NCDEQ - DWR NPDES - WW NC0007064
NCDEQ - DWR NPDES - SSW SW8040344
NCDEQ - DWR NPDES - CSW NCG010000
NCDEQ - DWR NPDES - SSW SW8030811
NCDEQ - DWR NPDES - SSW SW8081006
NCDEQ - DWR NPDES - SSW SW8081010
NCDEQ - DWR NPDES - SSW SW8090528
NCDEQ - DWR NPDES - SSW SW8120103
NCDEQ - DWR NPDES - SSW SW8911203
NCDEQ - DCM Coastal Resources Commission 293
NCDEQ - DAQ Synthetic Minor 05556
NCDEQ - DWM EPA Hazardous Material Waste NCD091570960 (SQG)
Generator Number
Oil Spill Prevention Control and
NCDEQ - DWM Countermeasure Plan (SPCC)
incorporated into SWPPP
NCDEQ - DWM Certification of Registration of Oil 104021005
Terminal Facility
Nuclear Regulatory Renewed Facility Operating DPR-71, DPR-62
Commission License

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 2
Item XI - Maps

Duke Energy Progress, LLC
(=irunsw ck Steam Electric PI:int
National Pollutant [i srcharge Elimination System Permit Number NC0007064
Attachment 2
GF-irm 1 ® item Xl Map
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1

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 2
Form 1 — Item XI Map
__ 0 0
', Brunswick .
-,•- Steam Electric
`''`"`>- '.':;K. Plant t
NORTH ".' Walden
CAROLINA � Creek \ , N
Fish returnifluine - O
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Discharge
Area -
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Kilometers 2
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Miles
2

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 3
Form 2C — Item II — A Flows, Sources, and Treatment Technologies

Sludge
I
Sanitary Uses Sewage Treatment
A
(004)
Public Water
Supply
Radwaste*
Plant Processes Low Volume rTreatment System
0 Waste Sources
E
B
(003)
Water Treatment
System ` Unit 1 Condenser
Cooling Water
V
Stormwater 4
---o. Storm
Cleaning
Storm Drain 4 WastesUnit 1 Service r F •
H Collection Basin C Water
►Emergency release to (001) w
discharge canal (006) • Outfall c 0Discharge Canal II m m
001 Q O
a•
Unit 2 Service ►
r
___•., Water J
Low Volume ISFSI Pad (010)
Retention Pond D
(005) Support
Facilities ► Sludge
• Unit 2 Condenser Sewage
Cape Fear River Cooling Water Treatment
r.
-- Diversion Structure --1° Intake Canal 1
I <
A
K L Public Water
Supply
(011) (012)
<
Low Volume M Sock Drain
Retention < Ground water well System
Pond(2012) Extraction System Attachment 3
Form 2C-Item II—A Flows,Sources of
Pollution,and Treatment Technologies
•Radwaste may be combined with either Unit 1 or Unit 2 cooling/service water
Page 1 of 2 March 2016

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 3
Form 2C -Item Il-A Flows, Sources of Pollution, and Treatment Technologies
Stream Average Flow (MGD) Comments
A 0.055 Design capacity
B 0.12 Estimated flow
C 5,000 gals/event Estimated flow
D 0.230 Estimated flow
E 0.0017 Estimated flow
Maximum flow- totals for Units l& 2 Once
F 1625 through cooling water (1509 MGD
maximum) and Service Water (116
maximum)
G 0.201 Brunswick County Utilities Account Report
H 0.255 Estimated flow
I 1625 Maximum intake
J 0.036 Design capacity
K 5.9 Estimated flow per event
L 0.052 Estimated Average flow per day
M 0.03 Estimated Average flow per day
2

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 4
Form 2C - Item II - B Flows, Sources, and Treatment Technologies

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 4
Form 2C — Item II-B Flows, Sources of Pollution, and Treatment Technologies
The Brunswick Steam Electric Plant (BSEP), located approximately 2.5 miles north of
Southport, North Carolina, consists of two General Electric boiling water nuclear reactors
with a combined maximum dependable capacity of 1,875 MW. Cooling water for the plant
is drawn from the Cape Fear River and discharges into the Atlantic Ocean approximately
2,000 feet off-shore. In addition to cooling water, all other waste streams at the plant
ultimately discharge to the Atlantic Ocean.
Chemical constituents contained in this discharge will, in part, be representative of
the naturally occurring chemical quality and quantity of the intake water and will
also have chemical constituents of such quality associated with similar discharges
for nuclear generating facilities of this size, type, and in this geographical location.
Either all or part of the elements in the Periodic Table, either singularly or in any
combination, may from time to time be contained in the discharge.
Each component of the discharge is described below.
Once-Through Cooling Water, Service Water (Outfall 001)
Cooling water is withdrawn from the Cape Fear River via an intake canal. At the point
where the intake canal intersects the river, a diversion fence screens out larger organisms.
The intake structure for once-through cooling water has 42 fine mesh screen panels and 8
coarse mesh screen panels rotating in front of all four pump bays for each unit. Normal
operating configuration is for 3 CWIPs to be in service at all times for each unit, for a total
of 126 fine mesh screen panels and 24 coarse mesh screen panels in service per unit.
The 4th pump bay for each unit will be maintained with the with the same number of fine
mesh and coarse mesh screen panels as the other three pump bays, such that if the 4th
pump is put into service, there will be no impact to the number of fine or coarse mesh
screen panels in operation. Aquatic organisms impinged on the traveling screens are
washed off and returned to the estuary. The once-through cooling water discharge
consists of water that has circulated through the condensers of Units 1 and 2. The
temperature rise over the condenser is approximately 15° - 30° Fahrenheit. The service
water is used to cool heat exchangers associated with the turbine and reactor closed
cooling water systems. The temperature rise of the service water is approximately 10°
Fahrenheit. Both of these systems discharge to the Atlantic Ocean via the 5.4-mile
effluent channel and pumping station at Caswell Beach. Prior to entering the plant, both
cooling water and service water are chlorinated to minimize bio-fouling in the piping, heat
exchangers, and other plant components.
The once-through cooling water pump flows will be verified periodically during the
operating cycle. If a significant difference is found between the flow rates, the once-
1 _

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
through cooling water pumps/valves will be adjusted during upcoming maintenance or
refueling outages to reflect the appropriate flow rate. In addition, flow will be verified after
changing pump/valve configurations if needed.
Since the source of the cooling water and service water is near the mouth of the Cape
Fear River, the chemical constituents of the discharge are representative of the water in
the river. The chemical constituents, in quality and quantity, are subject to many variables
such as tides, rainfall, and other discharges to the river.
Radwaste Treatment (Outfall 003)
The radwaste treatment system is designed to collect, store, and process any radioactive
(or potentially radioactive) liquids associated with operation of the nuclear power plant.
These low volume waste streams are collected in tanks and sampled for radioactivity prior
to discharging to the effluent channel. A representative tanks is also sampled for TSS and
oil and grease in accordance with the NPDES permit. The tanks are discharged
intermittently, one at a time, at a rate of up to 200 gpm. Flow rates are identified on EPA
Form 2C Item II C. Radioactive components of releases are regulated by the Nuclear
Regulatory Commission. These tanks are described below:
Floor Drain Sample Tanks and Waste Sample Tanks (23,000 gal. capacity each)
These tanks receive the majority of the radwaste, primarily from in-plant drains
and sumps, which contain high purity water. After the water is treated by
demineralization and filtration, it is either recycled back into the plant or released.
Detergent Drain Tanks (1,200 pal. capacity) - This tank receives water from
showers and other in-plant drains that may collect water used for general
cleaning purposes and is treated by filtration prior to release.
Salt Water Release Tank (34,250 pal. capacity) - This tank receives water used
for general cleaning purposes and water that leaks into the plant from the cooling
and service water systems, as well as waste water from the turbine building air
wash system which cools and removes humidity from the air that is re-circulated
through the turbine buildings. The water is treated by filtration prior to release.
Sanitary Waste Treatment(Outfalls 004 &010)
The BSEP is served by a 0.055 million gallons per day (MGD) extended aeration sewage
treatment plant consisting of two separate package trains connected to serve as one plant
or two separate trains with one discharge. Aerated sludge is disposed of off-site via a
contract disposal firm.
2

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
The Brunswick Support Facilities are supported by a 0.036 MGD extended aeration
sewage treatment plant consisting of two separate package trains connected to serve as
one plant or two separate trains with one discharge. Aerated sludge is disposed of off-site
via a contract disposal firm.
The BSEP is currently planning a consolidation of the two existing extended aeration
sewage package plants. In addition to the consolidation, a hydraulic expansion is being
incorporated into the design to accommodate higher flows experienced during BSEP
outages. The firm rated capacity of the new and expanded sanitary treatment plant is
anticipated to be 0.150 MGD.
Low Volume Waste (Outfall 005)
The current Storm Drain Stabilization Pond (low volume waste pond) is approximately 39
acres and holds approximately 47 million gallons. The pond collects rainwater and water
from miscellaneous low volume waste drains. When sufficient water has accumulated in
the pond, it is released through an underflow/overflow standpipe and valve at the rate of
up to 1,000 gpm. The released water flows into the intake canal at a point approximately
500 yards from the intake pumps, where it is drawn into the plant circulating and service
water system, and eventually released into the effluent channel. (It is not possible for low
volume wastes to flow out to the river due to the proximity of the discharge point to the
intake pumps.) Wastewater may be retained in the Low Volume Retention Pond for up to
approximately three months before discharge. Treatment consists of sedimentation,
evaporation, neutralization, and transpiration (due to profuse plant growth in the pond).
Low volume sources and storm water from almost all of the plant yard discharges into the
Storm Drain Collection Basin prior to being routed to the Low Volume Retention Pond.
The Storm Drain Collection Basin is equipped with an oil skimmer for treatment of the
effluent prior to discharge to the Low Volume Retention Pond. Although chemical
treatment of the waste is not a general practice, there are provisions for neutralizing the
waste in the collection basin, if necessary, using caustic or acid.
There are eight sources, which are routed to the low volume waste system (Outfall 005) or
(Outfall 011), including both intermittent and routine flows. These sources are described
below.
1. Auxiliary Boiler Systems
The plant operates one auxiliary boiler to generate steam as necessary for
various plant systems. Less than 50 gallons/week are discharged from this
system as routine blowdown. About once a year, the boiler is drained and
inspected, resulting in approximately 3,500 gallons of wastewater per event.
3

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
2. HVAC Cooling Towers
An HVAC cooling tower is used to cool each of the two Turbine Buildings.
The towers blow down approximately 6.4 gpm to the Storm Drain Collector
Basin.
3. Demineralized Water System
The purpose of the Mobile Make Up Water Treatment Unit (MMWTU) is to
provide ultra pure demineralized water for the BSEP. Demineralized water
is used throughout the BSEP for many purposes. Some of which include the
Fuel Pool make up, precoat tank fill, and cooling for pump bearings. The
MMWTU system is also the primary supply to the Condensate Storage
Tanks. The demineralized system is a reverse osmosis (RO) based system
with demineralizers for final polishing, using county water as the raw influent
water. The truck-mounted system takes county water from the site potable
water system after passing through the charcoal bed. The demineralized
system produces product water along with a brine concentrate that is
drained to the storm drain system at a pH of 6.0-8.0. Amount of usage for
product water, not including brine and rinse water, is 11 million gallons per
year at normal flow and 12 million gallons at high flow. This creates a brine
solution of 5.7 million gallons a year. Brine water consists of concentrated
contaminants of the county water system. Some additives are used to
enhance the system performance. Approximately 450 lbs of sodium
hydroxide per year is used for Chlorine destruction, and approximately 50
lbs per year of polyaluminum chloride and 50 gallons per year of
Hypersperse MDC 150 are used as an antifoulant. Rinses are done when
the system is started up, this is done by dumping product water and brine
water together until product water reaches certain parameters. Rinses are
approximately 225,000 gallons per year. There is approximately one
chemical cleaning a year for the RO membranes. The rinse consists of 70
lbs/yr of GE Water Kleen MCT 103, and 70 lbs/yr of GE Water Kleen MCT
511. The rinses are drained to the storm drain system at a pH of 8.0-9.0.
4. Standby Liquid Control Test Tank
This 210 gallon tank contains demineralized water and occasionally, Borax
and boric acid. The tank is released quarterly, if the levels exceed 10 ppm
Boron.
5. Turbine Building Closed Coolinq Water
During each refueling cycle, (approximately once every 24 months), one
heat exchanger containing approximately 2,100 gallons of water may be
drained. Occasionally, a system feed and bleed is required to maintain
Chemistry control. This process may release up to 4,500 gallons.
4

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
6. Diesel Generator Cooling Water System
Minor sources of non-potable water leaks from this generator system (four
diesel generators) and drains into the collection basin. Additionally, the
cooling water system is drained periodically for maintenance (Approximately
900 to 1000 gallons).
7. Maintenance Activities
During maintenance activities at the facility it may become necessary to
drain all or some portion thereof of the following plant systems; service
water, circulating water, potable water, and demineralized water.
Maintenance activities at the facility may also require flushing of system
piping with the discharge to the storm drain system. In addition, the facility
may find it necessary to wash equipment with demineralized water with
the discharge to storm drains.
8. Independent Spent Fuel Storage Installation (ISFSI)
An ISFSI vault was installed at the facility in 2009. Storm water runoff
from the concrete surface and concrete vault will be collected and pumped
to either of the active storm drain stabilization ponds. None of the spent
fuel rods housed in the vault will come in contact with the storm water
runoff, the runoff is expected to have characteristics similar to that of any
other impervious surface (concrete) runoff.
Storm Drain Stabilization Facility Pond (Outfall 011)
The Storm Drain Stabilization Facility Pond is approximately 3.7 acres, hold approximately
6 million gallons of water, and discharges on a weekly basis during normal operation.
Discharges can be more or less frequent depending upon storm water input. When
sufficient water has accumulated in the pond, it is released through an underflow/overflow
standpipe and valve at the rate of up to 1,000 gpm for approximately one week, or as
needed. The Storm Drain Stabilization Facility Pond has a graded native soil berm with a
geotextile liner, a lower HDPE liner, Geonet drainage layer and detection/collection sumps,
leak detection layer and an upper HDPE liner. The Storm Drain Stabilization Facility Pond
has a Parshall flume weir and sampling station located downstream of the outfall riser
structure. This Facility has the same inputs as Outfall 005 as the normal configuration.
Ground Water Well Extraction System (Outfall 012)
In March of 2011, 92 ground water extraction wells onsite began operating to remove
approximately 52,000 gpd of tritated ground water from the site. The wells discharge into
the intake canal through Outfall 012, or to the Storm Drain Stabilization Facility Pond
(Outfall 011). The discharge will consist of the extracted groundwater and approximately
27,000 gallons of seepage water from a sock drain system.
5

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Other Discharges
In addition to cooling water, service water, sanitary waste, low volume waste, and
radwaste, there are a few miscellaneous discharges (or potential discharges) at the BSEP:
• Emergency storm drain collection basin overflow to the effluent channel used as
necessary to prevent flooding in the plant area.
• Intake screen backwash, as required, to operate the cooling water system.
6

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 5
Form 2C - Item VI - Potential Discharges Not Covered by Analysis

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 5
Form 2C - Item VI Potential Discharges Not Covered By Analysis
Quantity
Chemical (used per year, Frequency Purpose
Sodium Hypochlorite Sewage Plant Biocide Treatment
2,000 gals/yr As Needed
15% & Cooling Tower Treatment
Sodium Hypochlorite 1.75 million Circ & Service Water Antifouling
Daily
15% gallons per year Treatment
Nalco CAT-FLOC Sewage Plant Solids Treatment
1,500 lbs/yr As Needed
8103 Plus
Sodium Hydroxide Sewage Plant & Air Wash
4,420 gals/yr As Needed
(4-50%) pH control
Sewage Plant Sludge pH
Lime 100 lbs/yr As Needed
Treatment
Nalco 7346
Cooling Towers Biocide &
(Bromine powder 1,600 lbs/yr Daily
Waste Water Systems
and tablet form)
Nalco 19PULV 100 lbs/yr As Needed Aux Boiler Chemicals
Sodium Nitrite 96 lbs/yr As Needed Diesel Generator Chemicals
Nalco 3D Trasar Cooling Towers & Diesel
9,000 lbs/yr As Needed
3DT198 Generators
Nalco 3D Trasar Cooling Tower & Diesel
6,700 lbs/yr As Needed
3DT294 Generators
GE Water
Variable As Needed Biocide
Biomate MBC 2881
Sodium Hydroxide
450 lbs/yr As Needed Make Up Water RO Products
50%
Polyaluminum 50 lbs/yr As Needed Make Up Water RO Products
Chloride
GE Hypersperse
160 lbs/yr As Needed Make Up Water RO Products
MDC 150
1

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Frequency= =Purpose
estiinate):' a ,
GE Kleen MCT103 70 lbs/yr As Needed Membrane Cleaner
GE Kleen MCT 511 70 lbs/yr As Needed Membrane Cleaner
Diesel Generator
Sodium Borate 50 lbs/yr As Needed
Chemicals
Disodium Phosphate 50 lbs/yr As Needed Aux Boiler
Trisodium Phosphate 50 lbs/yr As Needed Aux Boiler
Nalco Towerbrom
1,500 lbs/yr As Needed Cooling towers
991
Nalco 73310 Closed Cooling
1,800 lbs/yr As Needed
Sodium Nitrite Water System
Stabrex ST70 —
4,300 lbs/yr As Needed Air Washes
Liquid Bromine
Redux 515 Acid Approximately 2
Pellets (80% pounds per week per Pump and piping
As Needed
Sulfamic Acid, 20% groundwater maintenance
Boric Acid) extraction well
Approximately 5
Redux 500 Liquid
gallons per month or As Needed Pipe cleaning
Descaler (10% HCL)
60 gallons per year
Approximately 1
Aqua-Clear AE (60-
gallon per quarter per Well cleaning and
100% Hydroxyacetic As Needed
groundwater maintenance
Acid)
extraction well.
Approximately 1
Aqua-Clear MGA
pound per quarter Well cleaning and
(60-100% Sulfamic As Needed
per groundwater maintenance
Acid)
extraction well
2

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
,.. :Quantity = �. . _ 2
Chemical :(used per year, ;Frequency Purpose
estimate) e - .
Approximately 1 cup
Aqua-Clear PFD (30-
per quarter per Well cleaning and
60% Anionic As Needed
groundwater maintenance
polyacrylamide)
extraction well
NALCO 3DT Used in Diesel
10,000 lbs/yr As Needed
TRASAR 304 Generators; TBAW
NALCO 3DT Condenser Cleaning;
61,000 lbs/yr As Needed
TRASAR 121 Silt Dispersant
Condenser Cleaning;
NALCO 73551 54,000 lbs/yr As Needed
Biodetergent
Bromine Biocide;
NALCO Actibrom
2,000,000 lbs/yr As Needed Circulation Water
1338
Biodetergent
3

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 6
Form 2F— Item Ill — Site Drainage Map

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Duke Energy Progress, LLC STORMWATER POLLU1ION PREVENTION PLAN -.
'
CtU1Ck N11tTDr PlA^�T� .
rr,S�'�

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 7
Form 2F — Item IV— B — Narrative Description of Pollutant Sources

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 7
Form 2F— Item IV-B Narrative Description
The enclosed site stormwater map displays the areas of Brunswick Steam Electric Plant
(BSEP) from which stormwater discharges to Nancy's Creek. Stormwater from other
areas of the site discharges to either the intake canal, which is pumped into the discharge
canal via the Unit 1 and Unit 2 condensers or the discharge canal, ultimately discharging
into the Atlantic Ocean via Outfall 001 which is covered by the wastewater NPDES permit
for the facility.
No significant materials have been treated, stored or disposed in the drainage areas for
Stormwater outfalls 007, 008, and 009 in the past three years.
Stormwater Outfall 007
Outfall 007 receives stormwater from the Clean Materials Processing Area and the area
around the Meteorological Tower. Major components in the Clean Material Processing
Area include the waste processing building, a trash compactor, chemical storage building,
materials storage building, and recycle containers for wood, aluminum drink cans, steel,
copper, and aluminum. No pesticides, herbicides, soil conditioners, or fertilizers are
applied in the drainage of this outfall.
Stormwater Outfall 008
Outfall 008 receives rainwater from the switchyard area, the asphalt road on the west side
of the plant and the surrounding wooded areas. No pesticides, herbicides, soil
conditioners, or fertilizers are applied in the drainage area of this outfall.
Stormwater Outfall 009
Outfall 009 receives water from the Materials Control laydown areas and the Container
Van Storage Area. The Materials Control laydown area is us for the storage of plastics
and metal. No pesticides, herbicides, soil conditioners, or fertilizers are applied in the
remaining drainage area of this outfall.
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Attachment 7 — Form 2F — BSEP Stormwater Outfall Locations ���°
PROGRESS

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 8
Form 2F — Item IV— C— Narrative Description of Pollutant Sources

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 8
Form 2F— Item IV-C Narrative Description
No conventional treatment will be provided for the storm water discharging from storm
water outfalls 007, 008, and 009. Prior to discharging to Nancy's Creek storm water from
these outfalls flows over vegetative buffers which provide some filtering of sediment from
the storm water.
1

Duke Energy Progress, LLC
Brunswick Steam Electric Plant
National Pollutant Discharge Elimination System Permit Number NC0007064
Attachment 9
Representative Stormwater Outfall Status Letter

W
WA'- Michael F.Easley
Governor
G � AYl/_ William G Ross,Jr,Secretary
r NCDENR North Carolina Department of Environment and Natural Resources
-I-r Alan W. Klimek,P.E,Director
Division of Water Quality
October 31,2005
Me. 13. C. Waldrep
Brunswick Steam Electric Plant
P.O.Box 10429
Southport,North Carolina 28461
Subject: PDES Permit NC0007064
Brunswick Steam Electric Plant
Brunswick County
Dear Mr. Waldrep:
The Division evaluated your request to consolidate stormwater outfalls sampling requirements and to allow
for grab sampling instead of composite sampling for the permit renewal application. The Division agrees that
outfall 007 can be used as a representative outfall for outfalls 008 and 009. Outfalls 008 and 009 collect
stormwater from similar areas as Outfall 007. Composite samples shall be obtained as specified in 40 CFR
121.22(g)(7)(ii). Although information was submitted comparing composite samples results to grab samples
results,the information is not specific tor the Brunswick site and it is not sufficient to establish that grab samples
will produce similar results than composite samples. If you have any questions please contact Teresa Rodriguez
of the NPDES Unit at(919)733-5083,extension 553.
Sincerely,
'it'd
.
Gil Vinzani, P. E.
EAST NPDES Unit Supervisor
cc: Wilmington Regional Office,Water Quality Section
EAST NPDES Unit Files
1617 Mail Service Center,Raleigh,North Carolina 27699-1617 Telephone[phone] FAX[phone]
An Equal Opportunity Affirmative Action Employer Visti US ON THE INTERNET @ http:llh2o enr.state.nc usINPDES