Riverbend Steam Station

E rgy.
Carolinas
October 7, 2010
Ms. Bethany A. Georgoulias
Division of Water Quality
North Carolina Department of Environment
and Natural Resources
1617 Mail Service Center
Raleigh, NC 27699 -1617
Subject: NPDES Stormwater Permit Application
Marshall, Allen and Riverbend Steam Stations
Dear Ms. Georgoulias:
CORPORATE EHS SERVICES
Duke Energy Carolinas, LLC
526 SOUTH CHURCH STREET
CHARLOTTE, NC 28202
Mailing Address:
EC13K / P. 0. BOX 1006
CHARLOTTE, NC 28201 -1006
In response to your letter of September 7, 2010, please find attached for each of the subject
stations:
a. A listing of stormwater outfalls;
b. A description of the discharge (whether these outfalls discharge only stormwater or are
comingled with other discharges);
c. Data on the frequency of emergency sump overflows that discharge to stormwater
outfalls,
d. Stormwater analytical data summaries.
Please contact me at Mark.McGary @duke - energy.com or at 704 - 634 -7098 if you have any
questions or need any additional information.
Sincerely,
Mark McGary, P.E.
Environmental, Health & Safety
attachments
Cc w /att: Pat McCabe Allen Stowe
Steve Jones Don Scruggs
File Number: 8 -6
Record Number: 248464
Donna Burrell
Dayna Herrick
XT W201F
www.duke-energy.com

Marshall Steam Station
Outfalls Summary
Outfall
Discharge Description
SW001
—
Stormwater only
SW002
Stormwater only
SW003
Stormwater only
SW004
Stormwater only
SW005
Stormwater only
SW006
Stormwater only
SW007
Stormwater comingled with NPDES Outfall
002A (Sump No. 1 overflow
SW008
Stormwater only
SW009
Stormwater comingled with NPDES Outfall
003 (ID Fan non - contact cooling water). The
FGD detention pond transfer sump could
potentially overflow into SW009, although this
has not occurred to -date. The transfer sump
normally discharges into Sump No. 2 ( NPDES
Outfall 002B). Sump No. 2 overflow does not
comin le with SW009.
SW010
Stormwater only
SW011
Stormwater only
SW012
Stormwater only
SW022 new
Stormwater only
Marshall Steam Statior.
Sump Overflows January 2002 – July 2010
Date
Outfall
Discharge Time
Flow MGD
5/15/2003
002A
Less than 1 hour
0.001
6/3/2003
002B
0.01
6/15/2007
002A
0.1
9/14/2007
002A
Less than 1 hour
0.002
8/17/2008
002A
0.209
8/17/2008
002B
Less than 1 hour
0.086
8/27/2008
002A
0.036
8/27/2008
002B
Less than 1 hour
0.003
7/13/2009
002A
Less than 1 hour
0.128
7/13/2009
002B
Less than 1 hour
0.047

Allen Steam Station
Outfalls ummary
Outfall
Discharge Description
SW001
Stormwater only
SW002
Stormwater only
SW003
Stormwater only
SW004
Abandoned
SW005
Stormwater only
SW006
Stormwater only
SW007
Stormwater only
SW008
Stormwater only
SW009
Stormwater only
SW010
Stormwater only
SW011
Stormwater comingled with NPDES Outfall
004 (misc. non - contact cooling water, vehicle
wash water, intake screen backwash water
SW012
Stormwater comingled with NPDES Outfall
003 (misc. non - contact cooling water). Both
discharge through a 100,000 gallon oil trap
tank.
SW013 (Group)
Stormwater only
SW014
Stormwater only
SW015
Stormwater and groundwater
SW016
Stormwater only
SW017
Stormwater only
Allen Steam Station
Sump Overflows January 2002 — July 2010
Date
Outfall
Discharge Time
Flow MGD
6/10/2008
002B
Less than 1 hour
0.001
8/27/2008
002A
Less than 1 hour
0.003

Riverbend Steam Station
Outfalls Summary
Out-fall
Discharge Description
SW001
Stormwater only
SWO02
Stormwater only
SWO03
Stormwater only
SWO04
Stormwater only
SWO05
Stormwater only
SWO06
Stormwater only
SWO07
Stormwater only
SWO08
Stormwater only (discharge is rare due to
upstream detention basin
SWO09
Abandoned
SW010
Stormwater only
SW011
Stormwater only
SWO12
Stormwater only
SWO13
Stormwater only
SWO14
Abandoned
Riverbend Steam Station
Sump Overflows Jan wy 2002 — July 2010
Date
Outfall
Discharge Time
Flow MGD
None

MARSHALL STEAM STATION
STORMWATER ANALYTICAL DATA SUMMARY
Reference EPA Form 2F and supplemental information
submitted via letter dated October 26, 2009,
and in conjunction with NPDES Permit Application for
Marshall Steam Station - #NC0004987

EPA Form 3510 -2F (Rev. 1 -92) Page VI1-1 Continue on Reverse
EPA ID Number (copy from Item /of Form 1)
Form Approved. OMB No. 2040 -0086
Approval expires 5 -31 -92
NC0004987
Discharge Information Continued 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
instructions for additional details.
Maximum Values
Average Values
Number
Pollutant
include units
include units
Of
Grab Sample
Grab Sample
And
Storm
CAS Number
Taken During
Flow- weighted
Taken During
Flow- weighted
Events
(d available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
Oil 8 Grease
< 5 mgt
NIA
1
See Supplemental
Information
Biological Oxygen
c 8.0 mg/L
< 8.0 mg&
1
Demand OD5
Chemical Oxygen
178 mgt
1
Demand COD
Total Suspended
136 mgtL
1
"
Solids SS
Total
1.31 mg&
1
"
Nitrogen
Total
0.20 mg/L
1
"
Phosphorus
pH
Minimum
Maximum
Minimum
Maximum
1
�`
6.4 SU
Part B - List each pollutant that is limited in an effluent guideline which the facility is subject to or any pollutant listed in the facility's NPDES
permit for its process wastewater (if the facility is operating under an existing NPDES permit). Complete one table for each outfall.
See the instructions for additional details and re uirements.
Maximum Values
Average Values
Number
Pollutant
include units
include units
Of
Grab Sample
Grab Sample
And
Storm
CAS Number
Taken During
Flow- weighted
Taken During
Flow- weighted
Events
(if available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
�.,monia (as N)
<0.10 mglL
1
See Supplemental
Information
Chloride
<5 mg1L
1
it
Color
100 units
1
Nitrate - Nitrite (as N)
0.40 mg 1L
1
"
Sulfate (as SO.)
25.7 mg1L
1
"
14808 -79 -8
Aluminum, Total
3.310 mg /L
4.010 mgt
1
"
7429 -90.5
Barium, Total
0.0636 mg1L
0.0716 mg1L
1
"
7440 -39 -3
Boron, Total (7440-
0.030 mg1L
<0.050 mg1L
1
42-8
Cobalt, Total (7440 -
<0.005 mg/L
<0.005 mg/L
1
It
48-4
Iron, Total (743949 -6)
6.12 mg1L
7.48 mg1L
1
Magnesium, Total
2.46 mg/L
2.59 mg1L
1
439 -95.4
Manganese, Total
0.135 mg1L
0.152 mg/L
7439 -96-5
Titanium, Total
0.270 mg/L
0.326 mg /L
1
440 -32-6
Arsenic, Total
<0.005 mgt
0.0074 mg1L
1
440 -38-2
Cadmium, Total
<0.001 mg/L
<0.001 mg/L
1
it
440 -43-9
Chromium, Total
<0.005 mg&
0.0054 mg1L
1
it
440 -47 -3
Copper, Total
0.0161 mgiL
0.018 mg /L
1
" .10 -50.8
vry, Total
<0.20 ug4.
<0.20 ugIL
1
.s9 -97-6
Nickel, Total
0.006 nV11.
0.00" ma&
1
(7440-02 -0)
EPA Form 3510 -2F (Rev. 1 -92) Page VI1-1 Continue on Reverse

Selenium, Total
<0.010 mg&
<0.010 mg/L
1
See Supplemental
(7712 -49- 12)
Information
."'er, Total
<0.005 mgIL
<0.005 mg/L
1
••
10-22 -4
"
..sic, Total
0.108 mgIL
0.117 mg1L
1
440 -66-6
EPA Form 3510 -21F (Rev. 1 -92) Page VII -I Continue on Reverse

CnnfinimA hrvn ehP Front
Part C - List each pollutant shown in Tables 2F -2, 2F -3, and 2F4 that you know or have reason to believe is present. See the instructions for
additional details and requirements. Complete one table for each outfali.
Pollutant
And
CAS Number
(if available)
Maximum Values
include units
Average Values
irndude units
Number
Of
Storm
Events
Sampled
Sources of Pollutants
Grab Sample
Taken During
First 30
Minutes
Flow- weighted
Composite
Grab Sample
Taken During
First 30
Minutes
Flow- weighted
Composite
Phenols, Total
<0.010 mgil
1
See Supplemental
Information
Fecal Coliform CHT
7000 CFU1400
ml
1
"
Part D - Provide data for the storm events which resulted in the maximum values for the flow weighted composite sample.
1.
Date of
Storm
Event
2,
Duration
of Storm Event
(in minutes)
3.
Total rainfall
during storm event
(in inches)
4.
Number of hours between
beginning of storm measured
and end of previous
measurable rain event
5.
Total flow from
rain event
(gallons or specify units)
5128108
240
0.72
> 120 hours
9.099 mgal
7. Provide a description of the method of flow measurement or estimate.
Flow data derived from a theoretical flow calculation using local meteorological data and runoff area of the
outfall.
EPA Form 3510 -211F (Rev. 1 -92) Page VII -2

ALLEN STEAM STATION
STORMWATER ANALYTICAL DATA SUMMARY
Reference EPA Form 2F and supplemental information
submitted via letter dated December 2, 2009,
and in conjunction with NPDES Permit Application for
Allen Steam Station - #NC0004979

EPA ID Number (copy horn Item I of Farm 1) Form Approved. OMB No. 2040.0086
NC0004979 Approval expires 5.31 -92
VII. Discharge Information Continued from page 3 of Form 2F
Part A - You must provide the resttfts of at least one analysis for every pollutant in this table. Complete one table for each outlell. See
Instructions for additional details.
Maximum Values
Average Values
Number
Pollutant
units
units
Of
Grab Sample
Drab Sample
And
Storm
CAS Number
Taken During
Flowwweighted
Taken During
Flo*walghled
Events
(N available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
Oil & Grease
`4.8m =A
1
See Supplemental
Information
Biological Oxygen
< 2.0 mgA
»
Demand OD5
Chemical Oxygen
80 mg/L
w
Demand COD
Total Suspended
1500 mgA
1
w
Solids SS
Total
0.52 mgA
w
Nltrow
Total
0.98 mgA
1
»
Phosphorus
pH
Minimum
Maximum
Minimum
Maximum
7.78 SU
Part B - Ust each pollutant that Is limited in an effluent guideline which the facility Is suboct to or any pollutant listed In the facility's NPDES
permit for Its process wastewater (if the facility Is operating under an existing NPDES permit). Complete one table for each outfall.
See the Instructions for additional details and uirements.
Maximum Values
Average Values
Number
Pollutant
Include units
lndude units
Of
And
Grab Sample
Grab Sample
Storm
CAS Number
Taken During
Flow - weighted
Taken During
Flow - weighted
Events
(!l available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
_alorine, Total
< 0.1 mg1L
T
See Supplemental
residual
Information
Chloride
< 1.0 mg/L
1
of
Color
20 units
•
Fluoride (16984 -48-8)
0.30 mg1L
q
•
Nitrate - Nitrite (as N)
< 0.020 mg1L
•
Radioactivity, alpha
21.4 t 3.78
..
total
pCIVIL
Radioactivity, beta
42.8 t 3.84
i
.•
total
pCUL
Radioactivity, radium
3.56:1: 0.877
1
»
total
PCVL
Radioactivity, radium
1.02:1: 0.349
»
226 total
PCVL
Sulfate (as SO,,)
26 mglL
1
w
14808 -79-8
Aluminum, Total
27.0 mg1L
w
429 -90-5
Barium, Total
0.470 mglL
1
»
744D -39-3
Boron, Total (7440 -
<0.050 mg1L
»
42-8
Cobalt, Total (7440-
0.026 mg/L
w
48-4
Iron, Total (7439 -89-6)
36.0 mpA
1
w
Magnesium, Total
17.0 mgA
w
439 -95-4
Manganese, Total
1.00 mg/L
q
«
(7439 -96-5
Total
<0.005 mg1L
«
10 -31-5
atantun, Total
2.20 mgA
�
w
7440 -32.6
EPA Form 3510 -2F (Rev. 1 -92) Page VII -1 Continue on Reverse

Arsenic, Total
<0.050Mg&
7
See Supplemental
(7440-38 -2)
lrrfoo7nation
BerylMun, Total
0.001 MV&
„
(7440-41 -7
dmimn. Total
<0.00010
,40 -43-0
m
Oromlum, Total
0.020 MQ&
1
440.47.3
Copper, Total
440-50 -8
0.038 nV&
1
„
Mercury, Total
0.00014 mq&
439 -97-8
Nickel, Total
0.019 MgIL
„
440-02-0
SeleMum, Total
<0.050 mp/L
„
82-49 -2
Silver, Total
<0.005 mq/L
7440 -22-4
Zinc, Total
0.920 my/L
1
„
4404 -8
EPA Form 3510 -2F (Rev. 1 -92) Page VII -1 Continue on Reverse

Continued from the Front
O -i f- 1 1-1 —.J. -
EPA Form 3510 -2F (Rev. 1 -92) Page VII -2
. �.... - .... 1.v.....o... o.vm1 u 1�&Aim &F—A. cr -J, ana cr -%alai you Know or have reason to believe is present. See the lnstrirctions for
additlonel detaUs and requirements. Com to one table for each outfall.
Maximum Values
Pollutant ratafude units
And Grab Sample
CAS Number Taken DurkV FlowA"*,hted
(JJavalla *) First 30 Composite
Minutes
Fecal Colitorm CH7' 546' cothDO
rot
Average Values
ups
Number
Of
Storm
Events
Sampled
1
Sources of Pollutants
See Supplemental
PP
Information
Grab Sample
Taken Dudng
First 30
Minutes
Flow- weighted
Composite
*analyzed outside
holding time
Para D - Provide data for the
1. 2.
Date of Storm Event Duration
of Storm
Event
in minutes)
storm events which resulted In the maximum values for the flow wei hted composite sample.
3. 4. 5.
Total rainfall Number of hours between beginning of storm measured and Total flow from
during storm end of previous measurable rain rain event
event
(in Inches event (gallons or specify units)
61412009 960
2.82
81 hours
188374 gallons
7. Provide a description of the method of flow
measurement or estimate
Flows estimated using run -off coefficients for the drainage area based on rainfall data
EPA Form 3510 -2F (Rev. 1 -92) Page VII -2

SW 015
EPA ID Number (copy from item I of Form 1) Form Approved. OMB No. 2040.0086
NCOOO�979 I Approval expires 5-31 -92
'I. Discharge Information (Continued from page 3 of Form 4'
Part A - You must provide the results of at least one analysis for every pollutant in
irlstrtx:Uons for additonal details.
one table for each
EPA Form 3510 -2F (Rev. 1 -92) Page VII -2
Maximum Values
Average Values
Number
Pollutant
snack )
units
Of
Grab Sample
Grab Sample
And
Storm
CAS Number
Taken During
Flow-weighted
Taken During
Flow - weighted
Events
(K available)
First 30
Composite
First 30
Composite
Sampled
Nnutes
Minutes
Sources of Polutands
Oil a Grease
` 4.4 mgt
t
See Supplemental
Infotmatlon
Biological Oxygen
to mg 1L
1
«
Demand BOD5
Chemical Oxygen
16 mg/L
Demand
(COD)«
Total Suspended
25 mV&
„
Solids SS
Total
0.099 mg/L
1
„
N
Total
0.059 mgIL
„
Phosphorus
pH
Minimum
Maximum
Minimum
Maximum
M
7.26 SU
Part B - List each pollutant that is limited in an effluent guideline which the facility Is subject to or any pollutant listed In the faEeach NPDES
permit for its process wastewater (If the facility Is operating under an existing NPDES permit). Complete one table fooutfall.
S ee the instructions for additional details and ulrements.
Maximum Values
Average Values
Number
Pollutant
lndude un ts'
indude uMts
Of
Grab Sample
Grab Sample
And
Storm
CAS Number
Taken During
Flow - weighted
Taken During
Flow- weighted
Events
(N available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
- alorine, Total
0.11 mg1L
1
„
residual
Chloride 5.4 mg1L
9
„
Color 100 units
„
Fluoride (16984 -48 -8) 0.12 mg1L
„
Nitrate - Nitrite (as N) 0.099 mg /L
„
Radioactivity, alpha < 5.0 pCl/L
„
total
Radioactivity, beta 7.10 pCl/L
1
„
total I
Radioactivity, radium < 1.0 pcl/L
„
total
Radioactivity, radium < 1.0 pCl/L
1
«
226 total
Sulfate (as SO4) 38 mg/L
1
„
14SW79 -s
Aluminum, Total 0.35 mg1L
„
429 -90-5
Barium, Total O.O60 mg/L
1
«
7440 -39-3
Boron, Total (7440- 0.33 mg1L
1
42-8
Cobalt, Total (7440 - <0.005 mg1L
„
48-4
Iron, Total (7439-896) 1.8 Mg&
Magnesium, Total 6.1 mg&
„
743995-4
Manganese, Total 0. somg/L
„
7439 -96-5
Total <O.005 mg/L
1
«
0-31 -5
_ jnium, Total 18 ug/L
--(744D-32-6)
«
EPA Form 3510 -2F (Rev. 1 -92) Page VII -2

Arsenic, Total
20 LV&
1
See Supplemental
(7440.38-2)
Information
Beryllium, Total
1.0 &104
"
(7440-41-7)
dmium, Total
<0.w UP&
1
A043 -9
Chromium, Total
<5.0 up/1
440-47 -3
Copper, Total
<10 up&
�
7440 -SM
Mercury, Total
<0.0001 MgA-
439 -97-6
Nickel, Total
<10 Ug&
7440-02-0
Selerd m, Total
<5 Ugx
82 -49-2
Sliver, Total
<b UV&
i
7440 -2244
Zinc, Total
35 ugit
7440 -66.6
EPA Form 3510 -2F (Rev. 1-92) Page VII -2

tl,.Mtns mwi trrvn tM Front
Part C - list each pollutant shoe m In Tables 2F-2,2F-3, and 2F4 that you know or have reason to believe Is present. See the instructions for
additional details and requirements. Com a one table for each outfaii.
Pollutant
And
CAS Number
(if available)
Maximum Valdes
uEe unNs
Average Values
/ndude units
Number
Of
Stone
Events
Sampled
Souroes of Pollutants
Grab Sample
Taken During
First 30
Minutes
Flow- welghted
Composite
Grab Sample
Taken During
First 30
Minutes
Flow welghted
Composite
Fecal conform CHT
410 *coMOO
ML
1
See Supplemental
Information
'analyzed outside
holding time
Part D - Provide data for the storm events which
resulted in the maximum values for the flow weighted
composite sample.
1.
ate of Storm Event
2.
Duration
of Storm
Event
in minutes
3.
Total rainfall
during storm
event
in inches
4.
Number of hours between
beginning of storm measured and
end of previous measurable rain
event
5.
Total flow from
rain event
(gallons or specify units)
41,2012009
240
.59
>72 hours
1424263 gallons
7. Provide a description tion of the method of flow
measurement or estimate.
Flows estimated using run -off coefficient with drainage area and rainfall data
EPA Form 3510 -21F (Rev. 1-92) Page VII -2

RIVERBEND STEAM STATION
STORMWATER ANALYTICAL DATA SUMMARY
Reference EPA Form 2F and supplemental information
submitted via letter dated August 27, 2009,
and in conjunction with NPDES Permit Application for
Marshall Steam Station - #NC0004961

RIVERBEND STEAM STATION
STORMWATER ANALYTICAL DATA SUMMARY

SW001
EPA ID Number (copy from Rem I of Form 1)
I NC0004961
Form Approved. OMB No. 2040.0086
Approval expires 5.31 -92
"rl. Discharge Information Continued 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
instructions for additional details.
Maximum Values
Average Values
Number
Pollutant
Include units
include units
Of
Grab Sample
Grab Sample
And
Storm
CAS Number
Taken During
Flow-welghted
Taken During
Flow-weighted
Events
(d available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
I Sources of Pollutants
Oil 8 Grease
< 5.0 mg1L
N/A
N/A
N/A
1
See Supplemental
Information
Biological
13.0 mg1L
N/A
N/A
N/A
9
Oxygen Demand
GODS
Chemical
< 25.0
N/A
N/A
N/A
l
Oxygen Demand
mg/L
COD
Total
29.3 mg1L
N/A
N/A
N/A
1
Suspended
Solids S
Total
3.9 mg1L
N/A
N/A
N/A
1
Nitro en
Total
0.53 mg /L
N/A
N/A
N/A
1
Phosphorus
pH
Minimum
Maximum
Minimum
Maximum
8.6 SU
Part B - List each pollutant that is limited in an effluent guideline which the facility is subject to or any pollutant listed in the facility's NPDES
F permit for its process wastewater (if the facility is operating under an existing NPDES permit). Complete one table for each outfall.
See the instructions for additional details and uirements.
Maximum Values
Average Values
Number
Pollutant
include units
include units
Of
Grab Sample
Grab Sample
And
Storm
CAS Number
Taken During
Flow- weighted
Taken During
Flow- weighted
Events
(if available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
Ammonia (as N)
1.7 mg /L
N/A
N/A
N/A
1
See Supplemental
Information
Nitrate - Nitrite
1.5 mg1L
N/A
N/A
N/A
1
as N
Aluminum, Total
0.915 mg1L
N/A
N/A
N/A
1
429 -90 -5
Barium, Total
0.0339
N/A
N/A
N/A
1
440 -39 -3
mg1L
Boron, Total
0.0795
N/A
N/A
N/A
1
440 -42 -8
m /L
Cobalt, Total
<O.005
N/A
N/A
N/A
1
440 -48.4
m /L
Iron, Total (7439-
2.00 mg1L
N/A
N/A
N/A
1
89 -6
Magnesium,
1.7 mg /L
N/A
N/A
N/A
1
Total 439 -95-4
Manganese,
0.0784
N/A
N/A
N/A
1
Total
mg1L
439 -96-5
Tin, Total
<0.005
N/A
N/A
N/A
1
ns40 -31 -5
M91L
plum, Total
0.0256
N/A
N/A
N/A
1
it
*40-32 -6
mg1L
EPA Form 3510 -2F (Rev. 1 -92) Page VII -I Continue on Reverse

Arsenic, Total
0.0054
N/A
N/A
N/A
1
440 -38 -2
m
Cadmium, Total
0.0013
N/A
N/A
N/A
1
140 -43 -9
MgIL
.1romium, Total
<0.005
N/A
N/A
WA
1
440.47 -3
m
copper, Total
0.0684
N/A
N/A
N/A
1
440 -50.8
MgIL
Mercury, Tote/
0.200
N/A
N/A
N/A
1
439 -97 -6
u
Nickel, Total
0.007 mg/L
N/A
N/A
N/A
1
440 -02-0
Selenium, Total
0.062 mg/L
WA
N/A
N/A
1
82.49 -2
Silver, Total
<0.005
N/A
N/A
N/A
t
440 -22-4
m
Zinc, Total
0.863 mg1L
N/A
N/A
N/A
1
440 -66 -6
EPA Form 3510 -2F (Rev. 1 -92) Page VI1 -1 Continue on Reverse

^ - .1.... —A a....w Ob. Cron}
V Part C - List each pollutant shown in Tables 2F -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 table for each outfall.
Pollutant
And
CAS Number
(if available)
Maximum Values
include units
Average Values
Include units
Number
of
Storm
Events
Sampled
Sources of Pollutants
Grab Sample
Taken During
First 30
Minutes
Flow- weighted
Composite
Grab Sample
Taken During
First 30
Minutes
Flow weighted
Composite
Phenols, Total
<0.010
m L
N/A
N/A
N/A
See Supplemental
Information
Total Kjeldahl
Nitro en KN
2.4 mg/L
N/A
N/A
N/A
"
Fecal ColNorm
< 1.0 CFU1
100ML
N/A
N/A
N/A
Part D - Provide data for the storm events which resulted in the maximum values for the flow weighted com oshe sample.
1.
Date of
Storm
Event
2.
Duration
of Storm Event
(in minutes)
3.
Total rainfall
during storm event
(in inches)
A.
Number of hours between
beginning of storm measured
and end of previous
measurable rain event
5.
Total flow from
rain event
(gallons or specify units)
6 -23-
2008
360
1.74
>178
0.155 mgal
7. Provide a description of the method of flow measurement or estimate.
Flow data derived from a theoretical flow calculation using local meteorological data and runoff area of the
outfall.
EPA Form 3510 -2F (Rev. 1 -92) Page VII -2

SWO02
EPA ID Number (copy from item 1 of Form 1) Form Approved. OMB No. 2040 -0086
NCOM961 I Approval expires 5 -31 -92
III. Discharge Infonnation Continued 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
Instructions for additional detak.
Maximum Values
Average Values
Number
Pollutant
Include units
include units
Of
And
Grab Sample
Grab Sample
Stone
CAS Number
Taken During
Flow - weighted
Taken During
Flow- weighted
Events
(ff available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
09 b Grease
27.6 mg /L
N/A
13.8 mp/L
N/A
2
See Supplemental
Information
Biological
5.2 mg1L
N/A
N/A
N/A
1
Oxygen Demand
GODS
Chemical
49.0 mg /L
N/A
N/A
N/A
1
Oxygen Demand
COD
Total
67.7 mg /L
N/A
40.4 mg /L
N/A
2
Suspended
Solids S
Total
2.24 mg /L
N/A
N/A
N/A
1
It
Nitrogen
Total
0.12 mg1L
N/A
N/A
N/A
1
is
Phosphorus
pH
Minimum
Maximum
Minimum
Maximum
N/A
it
5.4 SU
5.4 SU
Part B - List each pollutant that Is limited in an effluent guideline which the facility Is subject to or any pollutant listed in the facility's NPDES
permit for its process wastewater (if the facility is operating under an existing NPDES permit). Complete one table for each outfall.
See the instructions for additional details and re uirements.
!
Maximum Values
Average Values
Number
Pollutant
include units
include units
Of
And
Grab Sample
Grab Sample
Storm
CAS Number
Taken During
Flow- weighted
Taken During
Flow- weighted
Events
(if available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
Ammonia (as N)
0.90 mg1L
N/A
0.56 mg1L
N/A
2
See Supplemental
Information
Chloride
5.8 mg1L
N/A
2.9 mg1L
N/A
2
Color
180 units
N/A
90 units
N/A
2
Nitrate - Nitrite
1.0 mg1L
N/A
0.97 mg1L
N/A
2
as N
Radioactivity,
< 1.110.7
N/A
N/A
N/A
1
alpha total
pC11L
Radioactivity,
4.8 11.2
N/A
N/A
N/A
1
beta total
pCilL
Sulfate (as SO4)
20.7 mg1L
N/A
19.0 mg1L
N/A
2
14808 -79 -8
Aluminum, Total
1.58 mg /L
N/A
N/A
N/A
1
429 -90-5
Barium, Total
0.0517
N/A
N/A
N/A
1
440 -39 -3
mg1L
Boron, Total
0.0915
N/A
N/A
N/A
1
440 -42.8
mg1L
Cobalt, Total
<0.005
N/A
N/A
N/A
1
440 -48-4
M91L
'-on, Total (7439-
5.79 mg1L
N/A
N/A
N/A
1
r6
..,agneslum,
3.52 mg1L
N/A
N/A
N/A
1
Total 439 -95.4
EPA Form 3510 -2F (Rev. 1 -92) Page VII -I Continue on Reverse

Manganese,
0. 117 mg /L
N/A
N/A
N/A
1
Total
1743 &96-5
1, Total
<0.005
N/A
N/A
N/A
1
440.31 -5
m
Titanium, Total
0.0813
N/A
N/A
N/A
1
440-32 -6
m
Arsenic, Total
<0.005
N/A
N/A
N/A
1
440 738 -2
mg1L
Cadmium, Total
0.0012
N/A
N/A
N/A
1
440 -43 -9
M91L
Chromium, Total
<0.005
N/A
N/A
N/A
1
"
440 -47.3
m
Copper, Total
0.0333
N/A
N/A
N/A
1
440 -50-8
mg1L
Mercury, Total
<0.20 ug /L
N/A
N/A
N/A
1
439 -97 -6
Nickel, Total
<0.005
N/A
N/A
N/A
1
440.02 -0
m /L
Selenium, Total
0.0562
N/A
N/A
N/A
1
82 -49 -2
M91L
Silver, Total
<0.005
N/A
N/A
N/A
1
(7440-22-4)___j
m /L
Zinc, Total
0.486 mg /L
N/A
N/A
N/A
1
440 -66 -6
EPA Form 3510 -2F (Rev. 1 -92) Page VII -I Continue on Reverse

Part C - List each pollutant shown in Tables 2F -2, 2F -3, and 2F4 that you know or have reason to believe is present. Seethe instructions for
additional details and requirements. Complete one table for each outfall.
Pollutant
And
CAS Number
(If available)
Maximum Values
include units
Average Values
indude units
Number
Of
Storm
Events
Sampled
Sources of Pollutants
Grab Sample
Taken During
First 30
Minutes
Flow- weighted
Composite
Grab Sample
Taken During
First 30
Minutes
Flow - weighted
Composite
Phenols, Total
<0.010
m /L
N/A
N/A
N/A
1
See Supplemental
Information
Total IQeldahl
Nift en KN
1.3 mg /L
N/A
N/A
N/A
1
L
I
Part D - Provide data
for the storm events which resulted in the maximum values for the flow weighted com osite sample.
1.
Date of
Storm
Event
2.
Duration
of Storm Event
(in minutes)
3.
Total rainfall
during storm event
(in inches)
4.
Number of hours between
beginning of storm measured
and end of previous
measurable rain event
5.
Total flow from
rain event
(gallons or specify units)
7 -Y8-
2008
9 -10-
2008
180
540
1.13
1.63
>142
> 329
0.334 mgal
0.482 mgal
7. Provide a description of the method of flow measurement or estimate.
Flow data derived from a theoretical flow calculation using local meteorological data and runoff area of the
outfall.
EPA Form 3510 -2F (Rev. 1 -92) Page VII -2

SWO03
EPA ID Number (copy from Item I of Form 1)
NC0004961
Form Approved. OMB No. 2040 -OM
Approval expires 531 -92
"q.
Discharge Information Continued 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
Instructions for additional details.
Maximum Values
Average Values
Number
Pollutant
include units
include units
Of
Grab Sample
Grab Sample
And
Storm
CAS Number
Taken During
Flow- weighted
Taken During
Flow- weighted
Events
(if available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
Oil & Grease
< 5.0 mg 1L
N/A
N/A
N/A
1
See Supplemental
Information
Biological
72.9 mg1L
54.9 mg /L
N/A
N/A
2
Oxygen Demand
GODS
Chemical
233 mg1L
104 mg/L
N/A
81 mg1L
3
Oxygen Demand
COD
Total
151 mg1L
8.1 mg1L
N/A
N/A
2
Suspended
Solids S
Total
8.9 mg1L
2.6 mg1L
N/A
2.44 mg /L
3
Nitrogen
Total
1.6 mg1L
0.20 mg /L
N/A
0.18 mg1L
3
Phosphorus
pH
Minimum
Maximum
Minimum
Maximum
1
5.9 SU
Part S - List each pollutant that Is limited in an effluent guideline which the facility is subject to or any pollutant listed in the facility's NPDES
permit for its process wastewater (if the facility is operating under an existing NPDES permit). Complete one table for each outfall.
See the instructions for additional details and re uirements.
Maximum Values
Average Values
Number
Pollutant
include units
include units
Of
Grab Sample
Grab Sample
And
Storm
CAS Number
Taken During
Flow- weighted
Taken During
Flow- weighted
Events
(if available)
First 30
Composite
First 30
Composite
Sampled
Minutes
Minutes
Sources of Pollutants
Ammonia (as N)
0.80 mg /L
0.27 mg1L
N/A
0.26 mg1L
3
See Supplemental
Information
Chloride
N/A
c 5.0 mg1L
N/A
N/A
1
if
Color
N/A
40.0 units
N/A
N/A
1
it
Nitrate - Nitrite
1.2 mg1L
1.3 mg /I
N/A
1.04 mg1L
3
if
as N
Sulfate (as SO4)
N/A
10.3 mg1L
N/A
N/A
1
14808 -79 -8
Aluminum, Total
0.753 mg1L
0.897 mg1L
N/A
0.632 mg /L
3
"
429 -90 -5
Barium, Total
0.115 mg /L
0.0226
N/A
0.0224
3
"
440 -39 -3
mg1L
m /L
Boron, Total
0.072 mg /L
<0.050
N/A
<0.050
3
"
440 -42 -8
mg1L
mg1L
Cobalt, Total
<0.005
<0.005
N/A
<0.005
3
440 -48-4
mg1L
mg1L
mg1L
Iron, Total (7439-
21.2 mg 1L
0.999 mg/L
N/A
0.723 mg1L
3
"
89 -6
Magnesium,
9.57 mg /L
1.21 mg1L
N/A
1.07 mg1L
3
Total 439 -95-4
Uanganese,
1.38 mg 1L
0.0792
N/A
0.0605
3
"
tai
mg/L
mg1L
439 -96 -5
j,439-96-5)
EPA Form 3510 -2F (Rev. 1 -92) Page VI] -1 Continue on Reverse

Tin, Total
<0.005
<0.005
N/A
<0.005
3
440731 -5
mg1L
mglL
m
Titanium, Total
0.0299
0.0403
N/A
0.0268
3
'40 -32 -6
mgIL
mg1L
mg1L
:raenic, Tote/
0.005 mg1L
<0.005
N/A
<0.005
3
440 -38 -2
m L
mg1L
Cadmium, Total
<0.001
<0.001
N/A
<0.001
3
"
440 -43 -9
mgIL
mg&
mg1L
Chromium, Total
<0.005
<0.005
N/A
<0.005
3
440 -47 -3
mg1L
mg1L
mg1L
Copper, Tote/
0.0533
0.0182
N/A
0.0168
3
"
440 -50-8
mg1L
m /L
mg1L
Mercury, Total
<0.200
<0.200 ug/L
N/A
<0.200 ug/L
3
439 -97 -6
u /L
Nickel, Total
0.0068
<0.005
N/A
<0.005
3
440 -02 -0
mg1L
mg1L
mg1L
Selenium, Total
<0.010
<0.010
N/A
<0.010
3
"
82 -49 -2
mg1L
m /L
mg1L
Silver, Total
<0.005,
<0.005
N/A
<0.005
3
440 -22-4
m L
m /L
mg1L
Zinc, Total
2.29 mg1L
0.758 mg1L
N/A
0.753 mg1L
3
440 -66-6
EPA Form 3510 -2F (Rev. 1 -92) Page V11 -I Continue on Reverse

C...w#
Part C - List each pollutant shown in Tables 2F -2, 2F -3, and 2F4 that you know or have reason to believes present. See the Instructions for
additional details and requirements. Complete one table for each outfatl.
Pollutant
And
CAS Number
(lfavailable)
Maximum Values
include units
Average Values
include units
Number
Of
Storm
Events
Sampled
Sources of Pollutants
Grab Sample
Taken During
First 30
Minutes
Flow - weighted
Composite
Grab Sample
Taken During
First 30
Minutes
Flow - weighted
Composite
Phenols, Total
0.045 mg1L
N/A
N/A
N/A
1
See Supplemental
Information
Total Kfeldahl
Nitrogen KN
7.7 mg/L
1.5 mg/L
N/A
1.4 mg1L
3
Fecal Coliform
100
CFU/100
ML
N/A
N/A
N/A
1
Part D - Provide data for the storm events which resulted in the maximum values for the flow weighted com osite sample.
1.
Date of
Storm
Event
2.
Duration
of Storm Event
(in minutes)
3.
Total rainfall
during storm event
(in inches)
4.
Number of hours between
beginning of storm measured
and end of previous
measurable rain event
5.
Total flow from
rain event
(gallons or specify units)
6.22-
2008
7_5.
2008
7 -28-
2008
360
240
180
1.74
0.53
1.13
>168
>113
>142
0.582 mgal
0.177 mgal
0.378 mgal
7. Provide a description of the method of flow measurement or estimate.
Flow data derived from a theoretical flow calculation using local meteorological data and runoff area of the
outfall.