NC0083275_Staff Comments_19940510

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City: 151 P I• i I h I p 1A 1 l-. I E 1
Receiving wale:
Reach Numbs. I:I-1-1_,1_I
!s this facility a steam electric power plant (SIC=4911) Is this permit for a munlclpal separate storm sewer
with one or more of the following ehorocbedstiaT serving a populadon-greater than 100,000T .
1. Power output S00 MW or greater (not using a cooling pondllake)
2. A nuclear power plant ❑ YES; score Is 700 (stop here) .
3. Cooling water discharge greater than 25% of ttx receiving stream's 7010 Row rate ❑'AO (condmx) .
❑ YES; score is 600 (stop here) ©'O (continue) .
FACTOR 1: Toxic Pollutant Potentidl
PCS SIC Code 1_t_� I Primary SIC Code: Il?—t_1 r I _
Other SIC Codes:
Industrial Subcategory Code: I II �1 (Code 000 If no subcategory)
Dctermine the Toxicity potential from Appendix A. Be sure to use dw TOTAL toxkity potential column and check one) .
Toxldty Group Code Points Toxicity Group Code Points Toxicity Group Code Points
❑ No process ❑ 3. 3 is ❑ 7. 7 3S
waste streams 0 0 ❑ 4. 4 20 ❑ a.' a 40
01. . 1 . S ❑ S: S 2S ❑ 9. 9 45
❑ 2. 2 ' 10 ❑ ' 6. 6 30 10 SO
FACTOR 2: How/Stream Flow Volume
(Corrtproth.i $ocfbn.A orSacllon S. ehaek o* ona)
`
Section A —Wastewater Flow Only Considered
_
Secdw B --Wastewater and Stream Flow Considered
Wastewater Type
• .
Code
Points
Wastewater Type Percent ofInstru n
Code
Points
(See Instructions)
(See inst %xdons) Wastewater Concen-
Type 1: Flow < S MGD
D
11
0
- tration at Receiving
• Flow. S to 10 MCD
0
•12
.10
Stream Low Flaw
Flow >10 to So MGD
D
13
20
Row:* SO MGD
13- '
14
30
TYPE VWI: < i O%
41
0
ype Il: Flow <1 MGD
21
10
21096 to 45096
O
42
- Flow 1 to S MGD
O
22
20'
.
•10
Flow >S to 10 MGD '
0
23
30
a 50%
D
43
20
Flow A 0 MGD
O
24
50
-
.
Type t < 10%
0
S1
D
Type III: Flow <1 MGD
O
31
0
- Flow 1 td S MGD "
0
32
10 :
110% to <50%
0
52
20
Flow >S to 10 MGD
0
• 33
20
flow>> 0 >`+iGO
fl
34
30 -
a 50%
S3
30
Printedon Recycled P4W

•_ • . - � NP. DES Permit Ranting Work Sheet
FACTOR 3: Conventiond Pollutants NPDES No.: I1� I C•I •I 1 1 I Z
(only whoa 4rrn qd by ft pwm#)
'• A. Oxygen Danand[ng Pollutant- (ch :ck one) ❑ BOD ©-COD ❑ Other:
Code Points
Permit Umiti: (check one) .13 -- • <100 Ib's/day ._ 1 0 _.
O 100 to 1000 lbs/day 2 , S • -
CI ' >1000 to 3000 lbs/day 3 -is'
IO' >3000Ibs/day. 4 .. 20
B. ToW Suspended Solids.(TSS) • -
Permit Units: (check one)
_ 0 • <100lbs/day
07" . 100 to 1000 Ibs/day -
O _ >7000to5000lbslday
O >S000lbs/day
Cody
Pbinti .. ' .. .
3
1S
4
620 y • . - .. .. • . .
C. Nitrogen Pollutant: (check one) ❑ Ammonia
❑Other:
- - ,
Nitrogen fquhoknt
• Code
Pots .
Peomit Umltu (dick one) 0
<300 Ibs/day • -
1
0
' O
300 to 1000 ibs/diy
2
S
O
>1000 to 3000 lbs/day
1 .
15 '
-
0
>3000Ibs/day
4
20
FACTOR 4: Public Health Impact
Is there a publlrking dri�water supply located within SD Wks downstream of the effluent discharge (thls Indudes any bodyof
water to which the recelving water Is a Wbutaty)t A public drinking water supply may Include Infiltration gaffer*, or other
methods of conveyance that ultimately get water from the above referenced supply.
❑ YES (If yes, check toxicity potential mArnber below) - : _ ~ • I - .
0 NO (Ifro, go to Factor S) . ' • - _ , .' •• -• • ►-
Determine the human health toxicity potential front Appe-ssdix A. Use the same SIC code and subcategory reference as lnlacter 1. (be
. . sure -to use the hurnan health toxicity group column — check one below)
Tozlcity Group Code Points =:•:. Toxicity Group Code -Points - — -• Toxicity Group • " 'Code Points
❑ No pfOceui .❑ 3. 3 0 ❑ 7. , 7 . 1 S,
waste streams 0 0' . _ :. :4.. '°.. n
O2• •• .. ❑ 9. - . � .. •.�9 25
• _ �. -•Si 6 10 10. -• 10 30
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1VFVE5 Permit Rating Work Sheet --
FACTOR 5: wafer oud• .. I s s II s
rtY Factors - _ NPOES No.. 5 i
A. Is (or wito one or more of the effluent discharge Units "on water quality factors of the recdWng stream (radar dan
• technology -based federal effluent guideline, or technology^based state effluent guldellnesj,' oar has o wostdoad dloaodoa
been assigned to the discharge? _. , . ,...Y - - : • . ,�
Code Points _ - _ •'. .
O Yes 1 10
120' No 2 0-
B. Is the receiWng water In compliance with applicablg water quality standards'fbr pomutants that are water quality 11mited in
the permit?.
—/ Code Points
lot Yes 1 0 .
O No 2 5 •- - - -
C. Does the effluent discharged from this fodllty eAlblt dw reasonobk potenilal to violate water quality standards due to whole
effluent toxdelty? s
Coda Points - .. .
Ili' Yes 1 10
O No 2 • .0 ,.._
FACTOR 6: Proxirltity to Near Coastd Waders
A. Base Score: Enter flow code here (from Factor 2): L_L_I Enter the multiplication factor drat corresponds
to the flow code. I I__I
Check appropriate facility HPRI Code (from PCS):
HPRI 1 Code HPRI Scour
Pow Code Multiplication Factor
O 1 1 20
11, 31, or 41 0.00
2 2 0
12, 32, or 42 0.05
_
O s 3 3
13, 33, or 43 0.10
14 or 34 0.15 -
O 4 4 0
21 or St 0.10 -
O 5 5 20
22 or 52 0.30
23 or 53 0.60 -
HPRI code checked: 121 -
24 1.00
Base Score: (HPRI Score) = x (MLddpik&Uon Factor)
: (TOTAL POINTS)
8. Addldonal Points— NEP Program
C. Additional Points— Great lakes Arco of Concern
For a fadllty that has an HPRI code of 3, does the fact ftlr
For a facility that has an HPRI code of S, does the fadllty
discharge to orie of the estuarks enrolled In the Nadonal
discharge any of dw pollutants of concern Into one of dw.
Estuary Protecdon (NEP) program (see lnstrucdors) or''
Great Lakes' 31 areas of concern (see Instructions)
the Chesapeake Bay?
- Code Points , .
Code Points
O Yes 1 10
Cl Yes T 10
O No 2 0
O No 2 0
•3

� � a
• r
.1 Twdc Pdka" Potential
2 Aow/Streamlfow VdMM
3 C nvendbnal Pollutants 2 .
4 Public Health lmpscts
S Water Quality Factors
6 Proximity to Near Coastal Waters. 0
TOTAL (Factors 1 though 6) q 5
31. Is the total score equal to or greater than 80? Y'Yes (Facility is a major) ❑ No
S2. if the answer to the above question is no, would you like this facliity to be discretionary major?
❑ No .
❑ Yes (Add 500 points to the above score and provide reason below. .
Reason: - -
NEW SCORE:
OLD SCORE
r
Permit Revlewres Name
~ Phone Number
Cate