NC0005258_REPORT_20050822

NPDES DOCUMENT. SCANNIMO COVE_ R SHEET
-
NPDES Permit: NC0005258
SGL Carbon
Document Type: Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Speculative Limits
Report
Instream Assessment (67B)
Environmental Assessment (EA)
Perm-it,
History
Document Date: August 22, 2005 .. .� .
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s/NPDES
NPDFS Permit Ranting Work Sheet ❑ Regular Addition
❑ Discretionary Addition❑ Score cha.�Z status changeIwt no I I !�I I i E —I
❑ Deletion
Facility Name:
i
ci•ty: �i0_
�GZ&I 61�� I_I_1�l�1_I�1
Receiving Water:
Reach Number
is this facipty a steam electric power plan t(51C=4911) Is thts permlt for a municipal separate storm sewer
with one or more of the following characterlsdesT serving a population greater than 1 oo,000?
1.Power output 500 MW or greater(not using a coding pond lake)
2.A nuclear power plant ❑,.,� score Is 700(stop here)
3.Cooling water discharge greater than
25%of the receiving stream's 7Q10 Bow rate (R NO(continue)
1❑YES;score Is 600(stop here) � NO (continue)
FACTOR 1.Toxic Pollutant Potential
PC5 SIC Code: 1_ 1_I_I_I Primary SIC Code: 116 r l
Other SIC Codes: 1_1_1__ 1_t 1_I—I_•,_I-1 1_1�r-1_I i_I 1__,_I`I
Industrial Subcategory Code•. 1&10 10.1 (Code 000 It no subcategory) i
Determine the Toxicity potential from Appendix A. Be sure to use the TOTAL toxicity potential column and check one)
,I
Toxicity Group Code Points Toxicity Group Code Points Toxldty Group Code Points
'I
❑ No process ❑ 3. 3 15 ,}❑� 7 35
waste streams 0 0 ❑ 4 4 20 U� $, g
❑ ❑ 5. 5 25 ❑ 9. 9 45
❑ 2. 2 10 ❑ 6. 6 30 ❑ 10. 10 5o
Code Nurnber Checked: 10 1$1 �'
i.
Total Points Factor 1: 101 !
r.'
FACTOR 2.Flow/Streem Flow Volume (Correlate WMersoctionA orsoction i!,-chock only one) 1
Section A—Wastewater Flow Only Considered Section i3 Wastewater and Stream Flow Considered I.
Wastewater type Code Points Wastewater Type Percent of I tream Code Points
(See Instructions) (See Instructions) Wastewater Concen-
Type I: Flow<5 MGD ❑ 11 0 [ration at Receiving
Flow 5 to 10 MGD ❑ 12 10 Stream low Flow i
Flow>10 to 50 MGD ❑ 13 20 i
Flow>50 MGD O 14 30 TYPE Ihtl; <10% © 41 0 ,`
Type 11: Flow<1 MGD 21 10 2 10%to<50% O 42 10 i
Flow 1 to 5 MGD Ell22 20
r,.
Flow>5 to 10 MGD ❑ 23 30 2 50% ❑ 43 20
Flcw>10 MGD ❑ 24 so
Type il: <10% Cl 51 0
Type III: Flow<1 MGD ❑ 31 0
Flow 1 to 5 MGD ❑ 32 10 2 10%to<50% ❑ 52 20
Flow>S to 10 MGD ❑ 33 20 '
Flow>10 MGD O 34 30 50% ❑ 53 30
Code Checked from Section A or B: 6LI L
Total Points Factor Z. li—ld 1

- S3 •'fie
AIPOES Permit Rotfng Work Sheet
FACTOR 3:Comeantiond Pollutants NPRES No.: lyl G 1 O 1 D 10 1 r is I r
(only who(&nhlod bit Me porrlmll)
A Gxygy. CManding Pdlut,n'• i+er.:-3ne) ❑Goo ❑Coo ❑other:
r` Code Points
i ermit U.niir:(c-t.I vier 13 - c100 Ibs/day 1 0
7 '00 to 1000 lbs/day 2 5
0 >1000 to 1000 lbs/day 3 15
❑ >3000lbs/day 4 20 +'
Code Checked: I 1
Pants Scored: I_I`I i
'nra9:,rsptr►drd 5o:id: 55`
Code Points ;'
Permit t mis: ►�y:f',rx? o3f1 ❑ c100lbs/day 1 a
300'$1� Y��9Mip I CO to 1000 Ibs/day
-X bb r1 OnO to S000 lbs/day 3
V 177. Q >5000lbs/day 4 20
Code Checked. 121 -
d:j
Points Scored: to ki:,_ 1' '
+
C. ► UT-gen PoIL,a. (f�nrl ., .,'r ❑Ammonia U Other:_•. I"
n,
Nitrogen fquiwlent Code Points
Perri LJrrm i)Mic ore; ❑ e3001bs/day 1 0
+) 100 to 1000lbs/day 2 3
❑ .>1000 to 3000lbs/day 3 15
❑ >30001bs/day 4 20
Code Checked: 1�1
Pants Scored:i-1`I
Total Points Factor 3: I QIS I
P 4: Public I' ecilth Impact ;
flyer e a publrr.6kyHr;y water supply loc�zfed with r:SO miles downstream of the effluent discharge(this Includes any body of
ruicr'ta wh:c•-r the rece.ivlrtg water is a trfltutary)7 A public drinking water supply may Include inRltradon galleries, or other
�,r hour Rf'nrrrrTrOnCe that ultimately yet water from the above referenced supply.
X3 Y."s yes,cheer.toxic:.. ­Aential number below)
no,gv If,vactcw
FA .
11ctermine he human health toxicity potential from Appendix A. Use the same SIC code and subcategory reference as In Factor 1. (Be
�urr tc :.)s+: LhC human b.Clal h toxidty group column..•check one below)
fl
r irit�:roesp Coda Pants 7oxic[ty Group Code Points Toxicity Group Code Points
+] !4c.pnxt t] 3. 3 0 ❑ 7 7 15 w..;
Wb, 5lreamt 4. 4 0 90,08' �
❑ 5. 5 5 ❑ 9, 9 25
0 F1 i 6 10 ❑10. 10 30
Code Plumber Checked: 1019.1
Total Points Factor 4: t�I al
4 �
Z
. 1 j

l /
NPDFS Permit Rating Work Sheet
A&OR 5:Wder Quality Factors
A. Is(or will)one or more of the effluent discharge limits based on water quatltr factors of the recelWng stream(rather than
technology-based federal effluent guldeflnes, or technology-based state effluent guldellnes),or has a wastelood allocation
t been assigned to the dlschargel
Code Points
© Yes 1 to
i� No 2
a. Is the recelving water In compliance with appllcable water quality standards for pollutants that are water quality Ilmlted In
the permit?
i
/ Code Points
❑ . No 2 5
i
C. Does the effluent discharged from this fadllty exhlblt the rmsonabk potentlaf to violate water quality standards due to whafr
effluent toxicity?
Code Polrrts ` 1
-Q . Yes 1 10 sip f
or No 2 aj1 i�
Code Number Checked;
Al?-i e i/t e 1�l
Points Factor S. A i b t�D + B I-0-1 + C l o I_J I TOTAL i I
:I =p
i
FACTOR 6: Ptoxiff ty to Netar Coastal Waders ;r
A. Base Score:Enter Row code here(from Factor 2): L�E"1 1 Enter the muldpllcation factor that corresponds
to the flow coder I I I
Check appropriate facility HPRI Code(from PC5):
HPFI.# Code HPRI Score
Row Code MUltipllcatIOn Factor
❑ 1 1 20 11,31,or41 0.00
❑ 2 2 0 12, 32,or 42 0.05 f`
13, 33,0(43 0.10
❑ 3 3 30 14 or 34 0.15 Il`
O 4 4 0 21 or 51 0.10 I'
22 or 52 0.30
❑ 5 5 20 23 or 53 0.60 d
t
HPRI Cade checked:1-- I 24 1.00
Base Scary: (HPRI Score) x(Multlplicatlan factor) _ _ _(TOTAL POINTS)
8. Additional Points--NEP program C. Addldond Points—Great takes Arco of Concern i
For a fadflty that has an HPRI code of 3,does the f cillty For a facility that has an HPRI code of S,does the fadlrty s
discharge to one of the estuaries enrolled In the National discharge any of the pollutants of concern Into one of the
Estuary Protectfan(AIEP)program(see Instructions)or Great Lakes'31 areas of concern(see Instructions)
the Chesapeake Bay?
code Points Code Prints
(3 Yes 1 10 Q Yes 1 10
0 No 2 0 Q No 2 0
Code Number Chested: A 1___1 B I-- 1 C i l
Points Factor 6: A I__-_I_,_,1 + B I 1—j + C 1 1-1 = i I TOTAL
3

'NPDES-Permit Mating Work Sheet
`' C
SCORE SUMMARY � NPDES No.: I,V 1�i—o Iv TI,vI�1�1�1 �I
Factor Descaptlon Total Points
1 Toxic Pollutant Potential - - -
2 -" ' Flawisitmamflnw Volume "' /0
3 Comentionsl Pollutants
4 Public Health Impacts
5 Water Quality Factors 0
6 Proximity to Near Coastal Waters
TOTAL(Factors 1 through 6) J+� �E.
ail
Si.Is the toW score equal to or greater than 80? ❑Yes(Facility is a major)
S2. if the answer to the above question Is no,would you like this facility to be discretionary major? !{a,
❑ No
❑ Yes (Add 500 paints to the above scare and provide reason below: {`
Reason: ` 1
$T,
9
NEW SCORE:
OLD SCORE:
P i it
Name
F � o�3S/zI/ _ S3
Phone Number
Date
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