NC0026247_Permit (Modification)_19880913

NPDES DOCUHENT SCANNINL COVER !;c1EET
NPDES Permit:
NC0026247
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Correspondence
Speculative Limits
Instream Assessment (67b)
Environmental Assessment (EA)
Permit
History
Document Date:
September 13, 1988
This document is printed on reuse paper - ignore any
content on the rezrerse side

State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin; Governor
S. Thomas Rhodes, Secretary
September .1.3, 1.988
Mr. P. R. Robinson
Unocal Corporation
1002 Front Street
Wilmington, North Carolina 28401.
SUBJECT: Request for Modification or. Waiver
of Monitoring Requirement
NPDES Permit No. NC0028568
Unocal Corporation
New llanover. County
Dear Mr. Robinson:
R. Paul Wilms
Director
In accordance with your request ftw Permit modification received May 3,
1.988, we are forwarding herewith modifications to the subject permit. These
modifications are: (1.) a change from composite to grab samples for the
bioassay monitoring requireir.ent, and (2) a change from requiring monitoring
for priority pollutants to monitoring for vol.a.tiles only. These permit
modifications become effective immediately. Please discard ,your old
effluent limitations and monitoring requirements pages and insert the two
enclosed pages in their place in your NPDES Permit No. NC0028568. Also,
please discard your old Part n..:( i . , G . , I-1 page and insori 1:he corrected
Part III page enclosed.
.All other terms and conditions contained in the original pe.rruit remain
unchanged and in full effect. These modifications are issued pursuant to
the requirements of North Carolina General Statute 143-215.1 and the
Memorandum of. Agreement between North Carolina and the. U. S
Environmental. Protection Agency dated December (, 1983.
If this decision is unacceptable to you, you have the right to an
adjudicatory hearing upon written request within thirty (30) days following
receipt of this letter. This request must be in the form or a written
petition, conforming to Chapter 1501B of the North Carolina General Statutes,
and filed with the Office of Administrative Hearings, Post Office Drawer •
11.666, Raleigh, North Carolina 21604. Unless such a demand is made, this
decision shall be final and binding.
Pollution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

Mr. P. R. Robinson
September .13, 1.988
Page 2
. If you have any questions concerning this permit, please contact
Mr. Arthur Mouberry at telephone number 919/733-5083.
Sincerely,
R. Paul Wilms
RPW:gg
cc: Wilmington Regional Supervisor
Technical Services

A. (I).
EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Dina' NPDES No.0028568
During the period beginning on the effective date of the permitand lasting until
expiration the Permittee is authorized to discharge from outfall(s) serial number(s) 001 storm water
and contaminated wastewater originating from point sources including, but not limited to, bulk storage tank
areas, product transfer areas, loading/unloading areas, etc. -- Such discharges shall be limited and monitored
by the Permittee as specified below:
Effluent Characteristics
Discharge Limitations Monitoring Requirements
Lbs/day Other Units (Specify) Measurement Sample *Sample
Daily Avg. Daily Max. Daily Avg. Daily Max. Frequency Type Location
F l „w
Oil and Grease
Acute Toxicity***
Priority Pollutants (Volatile Fraction)****
*Monitoring will be conducted during normal working hours.
30 mg/I 60 mg/1
Monthly
2/Month
Semiannually
Annually
Instantaneous
Grab
Grab
This permit imposes no limitation on the discharge of stormwater runoff uncontaminated by any industrial or
activity and not discharged through any oil -water separator or other treatment equipment or facility
**Samples taken in compliance with the monitoring requirements specified above shall be taken at the
location(s): The nearest accessible
receiving waters.
commercial
following
point after final treatment but prior to actual discharge to or mixing with the
E - Effluent
***Acute toxicity (Daphnid 48 hr.) Monitoring, See Part 11], Condition No. G.
****See Part III, Condition No. H.
The pH shall not be less than 6.0 standard units nor greater thai:. 9.0 standard units and shall be monitored weekly at the
effluent by grab samples
There shall be no discharge of floating solids or visible foar.; ir: other than trace amounts.

A. (1) . EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Final NPDES No . 002 85 68
During the period beginning on the effective date of the permitand lasting until
expiration the Permittee is authorized to discharge from outfall(s) serial number(s) 002 stormwater and
contaminated wastewater originating fro►?. ?^= t. sourcet, including, but not limited to, bulk storage tank
areas, product transfer areas, loading/unloading areas. etc. Such discharges shall be limited and monitored
by the Permittee as specified below:
Effluent Characteristics
Dischar e Limitations Monitorir Requirements
.Lbs/dal Other Units (S2ecify) Measurement Sample *Samele
Daily_Avg. Daily Max. Daily Avg. Daily Max. Frequency Type Location.
0il and Grease
Acute Toxicity***
Priority Pollutants (Volatile Fraction)****
30 wg/i 60 mg/1
Monthly Instantaneous E
2/Month Grab E
Semiannual lti • Grab E
Annually E
*Monitoring will be conducted during normal working hours.
This permit imposes no limitation or: the discharge of s or water runoff uncontaminated by any industrial or commercial
activity and not discharged through any oil -water separator or other treatment equipment or facility
**Samples taken in compliance with the monitoring requirements specified above :,ha' i be taken at the following
location(s): The nearest accessible point after final treatment but prior to actual discharge to or mixing with the
receiving waters.
E - Effluent
***Acute toxicity (Daphnid 48 hr.) Monitoring, See Part III, Condition No. G.
1•LAkSse Part III, Condition No. H.
The pH shall not be less than. 6.0 standard units nor greater than 9.0 standard units and shall be monitored weekly at the
effluent by grab samples
There shall be no discharge of floating solids or visible foam in other than trace amounts.

F. This permit shall be modified, or revoked and reissued, to incorporate new
limitations for the .facility if results of a study on the Neuse River by this
Division indicates that new limitations should ba assigned to this facility to
protect water quality standards.
G. Acute Tox.i.ci.ty Testing Requirement:
The permittee shall conduct acute toxicity tests twice annually using protocols
defined i.n EPA Document 600/4-85/0:13 entitled "The Acute Toxicity of Effluents
to Freshwater and Marine Organisms". The monitoring shall be performed as a
Daphnia L.rulex or Ceriodaphnia 48 hour static test, using effluent
collected as a 24 hour grab sample. Effluent samples for self -monitoring
purposes must be obtained during representative effluent discharge below all
waste treatment. The first test will be performed within thirty_ dys from
issuance of this permit.
.
The parameter code for this test if using Daphnia pulex is TAA3D. The
parmeter code for this test if using Ceriodaphni.a is TAA3B. All toxicity
testing results required as part of this permit: condition will be entered on
the Effluent Discharge Form (MR-1) for the month in which it was
performed, using the appropriate parameter. code. Additionally, DEM Form AT-1
(original) is to be sent to the following address:
Technical Services Branch
North Carolina Division of Environmental Management
PO Box 27687
Raleigh, North Carolina 2761 1 -•7687
Test data shall be complete and accurate and include all supporting
chemical/physical measurements performed :i.n association withthe toxicity
tests, as well as all dose/response data. Total residual chlorine of the
effluent toxicity sample must be measured and reported if chlorine is employed
for disinfection of the waste stream.
Should any test data from this monitoring requirement or tests performed by the
North Carolina Division of Environmental Management: .indicate potential impact,
to the receiving stream, this permit may be reopened and modified to include
alternate monitoring requirements or. limits.
Note: Failure to achieve test conditions as specified in the cited document,
such as minimum control organism survival and nppropr.i.n1:e environmental
controls, shall constitute an invalid test and wi 1 1 require immediate retesting
(within 30 days of initial monitoring event). Pni lure to submit suitable test
results wi.11 constitute non-compliance wi.th monitoring requirements.
H. The permittee shall conduct a test for volatile fractions annually after
confirmation of all waste streams :in the ma i.n discharge pipe. The discharge
shall he evaluated for a].1 volatile fractions 1 isl:ed in Table TT of append.i.x D
of 40 cfr. Part 122.

Class:
PERMIT NO.:
.-O"t.j 1>2 CS lr.Sr:, ' : ::A�i ,� ,�S NPDEWASTE LOAD ALLOCATION
NCO() Zoo a I1 No-vE. 3 WUAS / 3 '--,eeS
FACILITY NAME- Unocal — GalP/$P SoakeihsI- Tey-m',naI
Facility Status: (EXLSTING ) PROPOSED
(circle one)
Permit Status- RENEW— , INI710W UNPERNITIED NEW
(circle one) /
Major Minor.
Pipe No•
Q! o
—
Design Capacity (MGD): f6"
Domestic (% of Flow):
Industrial (% of Flow):
Continents:
PLC
RECEIVING STREAM: Onnw-erl r.b« .vy h Easf frock- apl-
/)e? J4 ver
Sub -Basin- ` -Gi'
Reference USGS Quad:
L )c) St-U
(please attach)
County- Gs„i roc;)
Regional Office: As Fa Mo Ra Wa Wi (SJ
(circle ens)
Requested By:
Prepared By: /I i ,•. :� , ate:
Reviewed B
. .6L
Date:
ate:
8/9fre
Drainage Area (mi2)
Modeler
SpJ
Date Rec.
1,2A 4+a 1 4154,0)
Avg. Streamflow (cfs)-
7Q10 (cfs) .() Winter 7Q10 (cfs) 30Q2 (cfs)
Toxicity Limits: IWC % (circle one) cut) / Chronic
Arco+G1 e flSo<iic rotanrioc,I'
Instream Monitoring: (5,2e a.Mc .J)
Parameters
Upstream 1L Location
Downstream _'1_ Location
Kacon1men8 +10,4 H041:40(;n1 fof
�eav�nl -0\4 ot.c.<lii-y. Con1+ nuous moiljof:nq
tiAiA f2 Lx LC.GPk'C<6G. J
c.II
JOltirvtt5 u� 1.4a$4.ewa-er
os weekly Clow 40fal:zer
•
Effluent
Characteristics
IVioatilly ill,
Du �i I^')ax.
O i I GCease (^9/e)
30
60
:-}rle & e Sc Vt (4/)
o. (
0.2
"Phenols (Ib/ 1)
0.00033 :.
pH (Su)
G 9
6 — 9
lur6e_14v (NTu)
7It e isctiulc stro,ll n6+
cause +tu (6:4:47 oc
+btt r ecc
iv. 'Al ww4r r s 40 txcee4
SO erct , T4 4 k. -1-. :4 i
exceeds
so NTU dtie-6 nasal
1,..ckyou nd c.nd,11.e.lnSi
'tnl diSC-
\loth CAA A011 CAU.16e A
Ay ;ACC' 0.SQ ,,-1 +
4,).<b:d:4
. J'c +4N ‘ece;ui.Iy
Lfeiter
�"<,
Sem,nertd Zrm..),4 �
co
f
mc),,Tonq of O.(EGrea*t,j Sei+!eaWC Sol:cl51 ?Inc•nalS)
) Und -l.M .;Cl;i.y. Recomrvund Men/6rin61 *, 40IUene be✓Izent.6 a�u
Comments• xyleat be done on *ht sckedule 45. *?c;c
00114.46(i.n q (12- 5 cl: c rcit di'scha<g e eUPJi{5) ck chid l ly a�4+ 'fnaf> , PI
reIencr deu4Se 5hov.ld \oe ()Lite in ee,<M�� fo allow -toc i,rvu'f`S -fa be
placed, on -1-oiciLa.nis shout ti -Pisa ['fly 4ii-ef(aesi'.

FOR APPROPRIATE DISCHARGERS, LIST COMPLETE GUIDELINE LIMITATIONS BELOW
Effluent Characteristics
Monthly
Average
Daily
Maximum
Comments
(7 ar70/ G�e,ase_
30,o
O. I,(
5c�/1-e,;, 61,2 50<<(is
,j/i
0, /14 ,{
0, 2- hj/e_
Type of Product Produced
Lbs/Day Produced
Effluent Guideline Reference

'•
•
1

A. Effluent Limitations and Monitoring Requirements - Final
During the period beginning the effective date and lasting.through the term of this permit,
the permittee is authorized to discharge storm water and contaminated wastewater
rctrginatitransg
from point sources including, but not limited to/, bulk storage tank areas, p
rodr
areas, loading/unloading areas, etc. Such discharges shall be limited and monitoring by the
permittee as specified below:
Discharge Limitations Monitoring Requirements
Effluent Characteristic le
kg/day(lbs/day) Other Units(Specify) Measurement * Sample
Frequency Type
Daily Avg. Daily Max. Daily Avg. Daily Max.
Flow
Oil & Grease
Phenols (0.0012) (0.0024)
30 mg/1
Monthly Estimate
60 mg/1 Monthly Composite
Monthly Composite
1
*Monitoring will be conducted during normal working hours.
it imThoses no limitation on the discharge of stormwater runoff uncontaminated by any industrial or commercial
permp
activity and not discharged through any oil -water separator or other treatment equipment or facility.
Samples taken in compliance with the monitoring requirements specified Oove shall be taken at the following location(s):
The
nearest accessible point after final treatment but prior to actual discharge to or mixing with the receiving waters.
C)
0
0
61
J

Request No.:4754a
WASTELOAD ALLOCATION APPROVAL FORM
Facility Name:
NPDES No.:
Type of Waste:
Status:
Receiving Stream:
Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Quad:
UNOCAL-GULF/BP
NC0026247 001
INDUSTRIAL
EXISTING
UT TO EAST FORK DEEP
WSIII
030608
GUILFORD
WINSTON-SALEM
LULA HARRIS
7/18/88
C19SW
SOUTHEAST TERMINAL
RIVER
Drainage
Summer
Winter
Average
RECOMMENDED EFFLUENT LIMITS
Oil & Grease (mg/1):
Settleable Solids (ml/1):
Phenols (lbs/day):
pH (su):
Turbidity (NTU):
area:
7Q10:
7Q10:
flow:
30Q2:
°ERMITS & EURiViERIN
0 cfs
cfs
cfs
cfs
Mo. Avg Daily Max.
30 60
0.1 0.2
0.00033
6-9 6-9
The discharge shall not cause the turbidity of
the receiving waters to exceed 50 NTU. If the
turbidity exceeds 50 NTU due to natural back-
ground conditions, the discharge can not cause
any increase in turbidity of the receiving water.
Toxicity Testing Req.: Acute, Episodic Monitoring (see attached)
MONITORING
Upstream (Y/N): N
Downstream (Y/N): N
Location:
Location:
COMMENTS
RECOMMEND FLOW MONITORING FOR ALL VOLUMES OF WASTEWATER LEAVING THE FACILITY.
CONTINUOUS MONITORING OR WEEKLY FLOW TOTALIZER DATA ARE ACCEPTABLE.
RECOMMEND 2/MONTH MONITORING OF OIL & GREASE, SETTLEABLE SOLIDS, PHENOLS,
pH, AND TURBIDITY. RECOMMEND MONITORING FOR TOLUENE, BENZENE, AND XYLENE BE
DONE ON THE SAME SCHEDULE AS TOXICITY TESTING (FIRST 5 DISCRETE DISCHARGE
EVENTS) AND THEN ANNUALLY AFTER THAT.
A REOPENER CLAUSE SHOULD BE PLACED IN THE PERMIT TO ALLOW FOR LIMITS TO BE
PLACED ON TOXICANTS SHOULD THE FACILITY FAIL ITS WHOLE EFFLUENT TOXICITY
TEST.
Recommended by: �- -SDate:
Reviewed by
Tech Suppor Supervisor:
7 Regional Supervisor:
Permits & Engineering: -- Date:
RETURN TO TECHNICAL SERVICES BY: AUG 2i 1988
Date:
Date: 9"13- 8 e
sVer

Facility Name (A AO I - (/ rp SOU4 A04 M. ci 4 permit # WGOc 2.4 2147
00)
ACUTE TOXICITY TESTING REQUIREMENT
Daphnid 48 hr - Monitoring for Episodic Events
The permittee shall conduct FIVE acute toxicity tests using protocols defined in E.P.A. Document
600/4-85/013 entitled "The Acute Toxicity of Effluents to Freshwater and Marine Organisms".
The monitoring shall be performed as a Daphnia pulex or Ceriodaphnia 48 hour static test, using
effluent collected as a single grab sample. Effluent samples for self -monitoring purposes must be
obtained below all waste treatment. Sampling and subsequent testing will occur during the first five
discrete discharge events after the effective date of this permit. After monitoring of the first five
toxicity tests, the permittee will conduct one test annually, with the annual period beginning in
January of the next calendar year. The annual test requirement must be performed and reported by
June 30. If no discharge occurs by June 30, notification will be made to the Division by this date.
Toxicity testing will be performed on the next discharge event for the annual test requirement.
The parameter code for this test if using Daphnia pulex is TAA3D. The parameter code for this test
if using Ceriodaphnia is TAA3B. All toxicity testing results required as part of this permit
condition will be entered on the Effluent Discharge Form (MR-1) for the month in which it was
performed, using the appropriate parameter code. Additionally, DEM Form AT-1 (original) is to
be sent to the following address:
Attention: Technical Services Branch
North Carolina Division of
Environmental Management
P.O. Box 27687
Raleigh, N.C. 27611
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any test data from either these monitoring requirements or tests performed by the North
Carolina Division of Environmental Management indicate potential impacts to the receiving stream,
this permit may be re -opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum
control organism survival and appropriate environmental controls, shall constitute an invalid test.
Failure to submit suitable test results will constitute a failure of permit condition.
7Q10 Olt cfs
Permitted Flow NA- MGD
IWC% 144
Basin & Sub -Basin 030608
Receiving Stream uz i„ FAA- rock peep 'Cwt.
County &Ai(Zrd
Recommended by:
Adid
Date y0.7 8'tr
**Acute Toxicity(Daphnid 48 hr) Monitoring, EPISODIC, See Part 3 , Condition G

•
li
(rju I r/ P Sov/'east- T,errr; I
Vtr faS to'- L Dee
4L csc G.Kroi� 1.a5 Q ("a�(.c L/ SicPo. Vcar4'
_ et;riUlf •
i nos c4/$ .rjr ��Sa� 40x<<<.� f�S4-<11
•' C9vrrt an tIOwS -(ar 7w, L(r 7. I.i
c
#(h
;in^ 7Q ro ,Now L d fs uhyWa�,
cl-k .1, (d/,!)
(siA)
no
rl/, C i �
y
rs
J
ss
� . (/ (1 AA
00 I ou 1,/ rrcx.
. n O033 ,(6,,
(r
^�f
rv„ty -%r Cash
eker cp-LoftT art
>n < 11,115:4
aU04 L./
✓ko1 -�•cc, 1�y �revprs cz?al/Sr5
,e (,'f �t j ✓s f (L t we
GtJc 0:1,
1(,, grS��Nr-t s nxf i ✓,D't 0 a(&. 'i�i,.. n r �: r flI 1
recu 1y
�� rn�a0t �r E -In .e,+cCea. J 50 NTU r , 7 ( ".. 4 (L 1 i
J
,e_k c-<< $__S SO NTtA. .L+n4:3 ✓tU-t".fe-tI bay k 3-•-�u.a 60nJ.43/+5i
'C,nn cr S r_ r l a fj c (a n n 04 L ci, v+ Se any r etc f' E 'rF r
L,, S, cy aI ^n der J'n' Yva�tl.

bib ea: - Gvt l l (B 1_ So,+eas d l
ems- for �.Q4 f`1v4r
S r Recce rtUnS,.
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�� CD �► r► /► O �..i /►� o n �a (, 11 'rd a t yO �tti S u.� .n c�S �✓a r /La th ,.13
vt I, /iU-O (.CS rv1,1 /i t't0 r f,hl� d� �L'L FC J'}! Iow �b�"Q t Clot l�
r <« YC-
c e_ca N'2 Z%,„„„ e /I '41 /'1/10 n / r°
Lowe
;1 �OOYluru and kyf [�-.._ 151-V\-k_
( .s
• i(lukric-r iY -t'1.L,f .
A;c,s
�� 2 11) cue o„ -"r o `►r
S
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50.E
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(-14-acGt.,J)

GIKEX88/MP /
�
'
C()MPLIANCE EVALUATION ANALY%I% REPORT
i0/28/89
PAQ� i
PERMIT --NC 0 0 26247 PIPE ---- -OO1 REPORT PERIOD: 8809--- 8908
FACILITY --UNOCAL ORP^/CULF BP %E TERMIN DE%IGYN FLOW-- .0000 CLASS-1
LOCATION--GREEN%BORO 1:*,,'EGI0N/C0UNTY--04 GUILFORD
MONTH
LIMIA*
8G/09
5O0 r5r0 / TAA3B TAA3D 00400 O0545 00556 32730
CER%48AC DAPH48AC PH RE%/%ET OIL -GR%E PHENOL%
7 30'000
LIMIT /� NOL F 30.000
88/i0_' .0534 LES%THAN .0000
88/ii ^O500 5'000 ^00961::'
88/i2
89/0i .M300 LE%%THAN .Oi00F
89/O2
LIMIT NOL
89/03 �`078-6
LIMIT NOL
89/O4
89/05 ^0ii4
89/06 ^0i0O
89/O7
NOL NOL NOL NOL F 30.000
12.40-0 -.OtjO
NOL NOL 9^0 6.0 F ^i F 30.0OO
2.650 ^0013
5.750 .Of) ii
89/O8 .0085 2.59O ^0009
AVI: 0345 . 5.678 ^0048
MAXIMUM .0786 .... ... .... ... ... .... .... .... ________ ________ 12.400 ^0110
MINIMUM ^0O85 .... _.... .... .... .... .... .... ~_______ 2.590 ..0000
UNIT MGD 9A 9A %U ML/L MG/I... LB%/DAY

NPDES WASTE LOAD ALLOCATION
PERMIT NO.: NCO() -26' 2' I
FACILITY NAME: 0116to,I — 6til(//qP Sow{%�.�5� 7 v/7"."/
(Fofw'k -l/ Urtrori 0; I eo. 04 CAPi-orr%a_)
Facility Status: EX1671r4G PROPOSED
(circle one)
Permit Status: (R11N EWAL LMODI�110rTW y UNPERM NEW
(thou' ono)
Major Minor
Pipe No:
c 4 — Chevron USA} 04,11 ((1c0o43063}
Design Capacity (MGD):
Domestic (% of Flow):
Industrial (% of Flow):
Comments:
/(
RECEIVING STREAM: 0 T
Class:
L , X- R?
Sub -Basin•
Reference USGS Quad: �� `'� (please attach)
County:
1
Regional Office: As Fe Mo
(circle •ae)
Ra Wa Wi W
Requested By: `'= Date:
Prepared Bate:
Reviewed By:
Date:
/ rd
Drainage Area (mil)
Modeler
Date Rec.
S� V
,,},154 )
Avg. Streamflow (cfs)-
7Q10 (cfs) DZ2Winter 7Q10 (cfs) 30Q2 (cfs)
Toxicity Limits: IWC
Instream Monitoring:
Parameters
% (circle one) Acut / Chronic
44.“36/EQisaciic Mon, ti
See ttac h ti
Upstream Location
Downstream '`� Location
'Rev) on nun c; •Pfoud iv? oni+of;nq hoc 60(
1en��to file -Put.1, Con4F,rluouS „non,ioc�n�
4o�'ml i2er doc4-a ace accepble
vot 4,%1..S aF wus,w6,1e1'
d.r •,« kIy 4(ow
Effluent
Characteristics
N1oflttrl I A-veray,
Da/.q Max
0;1 Grease ("'i e)
30
i
60
Seileahte SDItc1s (^9)
O. (
0,2
Phenols ('tis/J-v)
0.00033
pH (SU)
• 6-9
6-9
TiArbtcc,4! (Nevi)
The elisckatge ,sk4l1 no4
caws! 1w4 -FltiL1-!/ el0 cif
r (.e vil
exceeds ,
.a.1-e, +o exceed SO
50 NTU due -to nc$u,a.l
NTU . T -Hu. -lur b,Wly
loackgcound conci4IroAS)
,nc,ase ,n •4,nrb,.1:4-y cf
ih.. discli
k;9t can no+ cause .0y
&COMwtt/IA 2/MOAT%!
ea-LUIZ-1 clam; 0(4'4)
(YE OII F Gcease) Dl-% J
So-}flea‘ble 401EIIs.
oak / a'1c ftn(Leitgy.
Reco,vlate4J rNloniTorit
phe
for 1vl tet,e ) bef?
At , ai I )(y (erte be
d64..e on 41 Sa+itt
ScL+ec�ule as -4-oxicA1 rnon�4o<<'n)teop(
(F;r54- 5 re-1-t Jisclntaie
8VE•er ; u-nnually c 1-er 4{14) A clausR shout.
totceA to PecMti la Allow fcsf I,/144s fa be etafeJ e.1
f o x; cairls skout H4 ( -1-r +-c EA -Li -FCul i&5 "Inofe—Q X y 4est,

FOR APPROPRIATE DISCHARGERS, LIST COMPLETE GUIDELINE LIMITATIONS BELOW
Effluent Characteristics
•
Monthly
Average
Daily
Maximum
Comments
a : I cm d
G,- s -
,�0, v n�/
a o , ��
S l•e a6/,�
SoI%GIs •
0./ _L
0, 2 ",p
PA/
G -9 s�
•
Type of Product Produced
Lbs/Day Produced
Effluent Guideline Reference

Request No.:4754h
WASTELOAD ALLOCATION APPROVAL FORM
Facility Name:
NPDES No.:
Type of Waste:
Status:
Receiving Stream:
Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Quad:
UNOCAL-GULF/BP SOUTHEAST
NC0026247 002
INDUSTRIAL
EXISTING
UT TO EAST FORK
WSIII
030608
GUILFORD
WINSTON-SALEM
LULA HARRIS
7/18/88
C19SW
DEEP RIVER
Drainage
Summer
Winter
Average
RECOMMENDED EFFLUENT LIMITS
Oil & Grease (mg/1):
Settleable Solids (ml/1):
Phenols (lbs/day):
pH (su):
Turbidity (NTU):
TERMINA
Ya �!
AUG 5
1 N'
1988
areqEEMITS & 4GlNNVt?fM;
7Q10: cfs
7Q10: cfs
flow:
30Q2:
cfs
cfs
Mo. Avg Daily Max.
30 60
0.1 0.2
0.00033
6-9 6-9
The discharge shall not cause the turbidity of
the receiving waters to exceed 50 NTU. If the
turbidity exceeds 50 NTU due to natural back-
ground conditions, the discharge can not cause
any increase in turbidity of the receiving water.
Toxicity Testing Req.: Acute, Episodic Monitoring (see attached)
MONITORING
Upstream (Y/N): N
Downstream (Y/N): N
Location:
Location:
COMMENTS
RECOMMEND FLOW MONITORING FOR ALL VOLUMES OF WASTEWATER LEAVING THE FACILITY.
CONTINUOUS MONITORING OR WEEKLY FLOW TOTALIZER DATA ARE ACCEPTABLE.
RECOMMEND 2/MONTH MONITORING OF OIL & GREASE, SETTLEABLE SOLIDS, PHENOLS,
pH, AND TURBIDITY. RECOMMEND MONITORING FOR TOLUENE, BENZENE, AND XYLENE BE
DONE ON THE SAME SCHEDULE AS TOXICITY TESTING (FIRST 5 DISCRETE DISCHARGE
EVENTS) AND THEN A N N U I\LL`f AFTER THAT.
A REOPENER CLAUSE SHOULD BE PLACED IN THE PERMIT TO ALLOW FOR LIMITS TO BE
PLACED ON TOXICANTS SHOULD THE FACILITY FAIL ITS WHOLE EFFLUENT TOXICITY
TEST.
Recommended by:
Reviewed by
Ot•
001\1-
l)
Tech Support upervisor:
Regional Supervisor:
Permits & Engineering:
fro ciz
02441?
Date: -1/2b1
Date: -3-9"
Date:
Date:
RETURN TO TECHNICAL SERVICES BY: AUG 2 7 1988

Facility Name Una(A(- Guff BP SouIhea - Ternv;n.j 00 2 Permit # 440)0Z6Z'17
ACUTE TOXICITY TESTING REQUIREMENT
Daphnid 48 hr - Monitoring for Episodic Events
The permittee shall conduct FIVE acute toxicity test,s using protocols defined in E.P.A. Document
600/4-85/013 entitled "The Acute Toxicity of Effluents to Freshwater and Marine Organisms".
The monitoring shall be performed as a Daphnia pulex or Ceriodaphnia 48 hour static test, using
effluent collected as a single grab sample. Effluent samples for self -monitoring purposes must be
obtained below all waste treatment. Sampling and subsequent testing will occur during the first five
discrete discharge events after the effective date of this permit. After monitoring of the first five
toxicity tests, the permittee will conduct one test annually, with the annual period beginning in
January of the next calendar year. The annual test requirement must be performed and reported by
June 30. If no discharge occurs by June 30, notification will be made to the Division by this date.
Toxicity testing will be performed on the next discharge event for the annual test requirement.
The parameter code for this test if using Daphnia pulex is TAA3D. The parameter code for this test
if using Ceriodaphnia is TAA3B. All toxicity testing results required as part of this permit
condition will be entered on the Effluent Discharge Form (MR-1) for the month in which it was
performed, using the appropriate parameter code. Additionally, DEM Form AT-1 (original) is to
be sent to the following address:
Attention: Technical Services Branch
North Carolina Division of
Environmental Management
P.O. Box 27687
Raleigh, N.C. 27611
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any test data from either these monitoring requirements or tests performed by the North
Carolina Division of Environmental Management indicate potential impacts to the receiving stream,
this permit may be re -opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum
control organism survival and appropriate environmental controls, shall constitute an invalid test.
Failure to submit suitable test results will constitute a failure of permit condition.
7Q10 N4 cfs
Permitted Flow Mk MGD Recommended by:
IWC% iJq.
Basin & Sub -Basin 0306 n
Receiving Stream UT East Foe k Net R;vcr
County (;,a:1.ccd
•
.0. (13(:.A
Date 7f l(88
**Acute Toxicity(Daphnid 48 hr) Monitoring, EPISODIC, See Part 3 , Condition G .

PERMIT NO.:
NCO() (,J 247
FACILITY NAME:
NPDES WASTE LOAD ALLOCATION
OrO A (_ Gr�l�i�P Sort e457' /.orJtiii,,, /
Un o.-. 0; I lornaoa,ty o-1 (4(T-f-orn;
Facility Status: EXIBTING PROPOSED
(circle one)
Permit Status: (RENEWAL - C.A7 O UN ERM!TIED NEW
(circle one)
Malor Minor,_-
Pipe No• cx2
Design Capacity (MGD):
Domestic (% of Flow):
Industrial (% of Flow):
Comments:
RECEIVING STREAM:
Class: 60-5
•
Sub -Basin: 43 "U'—OP
Reference USGS Quad: C_ /9 s``'
County:
Regional Office: As Fa Mo . Ra Wa Wi VS
Carew •ae)
(please attach)
Requested By: Date:
Prepared By: ate: 078.61
Reviewed By: '► Date:
Modeler
Date Rec.
#
S0 V
7 {a 88
4-
L (
/
Drainage Area (mil) Avg. Streamflow (cfs)•
7Q10 (cfs) O.0 Winter 7Q10 (cfs) 30Q2 (cfs)
Toxicity Limits: IWC % (circle one) Acute / Chronic
i t,i+e) ep1.50d IC, r4on rskInnq
Instream Monitoring: (l( a.Gktcl
Parameters J
Upstream N Location
Downstream 1._. Location /
R commend '1'lOW Mo/i 4C if J 'CO( all v'ff (AMLS or was,(twoder
•
Leau;n -04 4,4 (i j/. Can4:nuous Mo.niior:n' or ,..n.ek(y 4'1ow %4x1 zer
cla a ire accepa
e
-
Effluent l
Characteristics 1'on+11} 4Vefa_q(l Pcti 1y %9ax
0;1 4 GreuSe (j le) 30 J 60
Se -1ea411e 471. is ('V) 0.( 0•2.
Phe,435 (Ibs/ ,,,,1 D,000 33
pH (Su) - 6- 9 6- 9
1 f o(co,J (mruj TL d&Selnacge shoal + cause +ttA. -6uc6:dt:4ly 4
itk receiv rng eft' t io excee( So N7'!1 , lc -tit.k 4ucb,d
excd et5 SO N7U sae +, "AAA rCtI 6acicru4dcon1:140
/144 44.5}cn1ay,t Gan no-f taus(' any!! Increase :-✓1 i/kn L d!
pt- 'f�1.1 JJ rGc .iJrty VJA4ttc.
'Wee ammtncJ 2/wron111 24'rla2✓li 01 V I1.O(II -rt)r O:IE Grease , pd\cno(5)
sefi Le Soli'dsJ �H and �urb�di�r. RcoMNttnd e F(ue.n� MDnCbr�tiq
-Po( toluene) benzene,/ and xy lent be dome on fk $4 c J
(do! 5cktc.tlk us (vionl4or(y(I- 5-.,.dell d�se{larotL
ven-fs, annualt oA^ftr-f%ctt) , 4 rn.u
copertsJJc Le..
silo11kge eLa� (f
-{ t.cn1'� to" a1(ow r - ivt;45 "6 G p� or ci'eXi riterfs
,41,1ele—r}y 4e51;

FOR APPROPRIATE DISCHARGERS, LIST COMPLETE GUIDELINE LIMITATIONS BELOW
Effluent Characteristics
•
Monthly
Average
Daily
Maximum
Comments
O t l and
G,,, se___
30,o ri /A
G0, d /,,�
.5e4-#4A bI€e
S6/1 IS
©, I "0
D, 2 ntYi
pa6
--1
5 61/4
,
Type of Product Produced
Lbs/Day Produced
Effluent Guideline Reference

WASTELOAD ALLOCATION APPROVAL FORM
Facility Name:
NPDES No.:
Type of Waste:
Status:
Receiving Stream:
Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Quad:
UNOCAL-GULF/BP
NC0026247 003
INDUSTRIAL
EXISTING
UT TO EAST FORK
WSIII
030608
GUILFORD
WINSTON-SALEM
LULA HARRIS
7/18/88
C19SW
Request No.:4754c
}4j
SOUTHEAST TERMINAL
DEEP RIVER
I
rqt
AUG , 19b6
uLIdI TS Pu ENUINEEUi!•G
Drainage area:
Summer 7Q10:
Winter 7Q10:
Average flow:
30Q2:
RECOMMENDED EFFLUENT LIMITS
Oil & Grease (mg/1):
Settleable Solids (ml/1):
Phenols (lbs/day):
pH (su):
Turbidity (NTU):
sq mi
O cfs
cfs
cfs
cfs
Mo. Avg Daily Max.
30 60
0.1 0.2
0.00033
6-9 6-9
The discharge shall not cause the turbidity of
the receiving waters to exceed 50 NTU. If the
turbidity exceeds 50 NTU due to natural back-
ground conditions, the discharge can not cause
any increase in turbidity of the receiving water.
Toxicity Testing Req.: Acute, Episodic Monitoring (see attached)
MONITORING
Upstream (Y/N): N
Downstream (Y/N): N
Location:
Location:
COMMENTS
RECOMMEND FLOW MONITORING FOR ALL VOLUMES OF WASTEWATER LEAVING THE FACILITY.
CONTINUOUS MONITORING OR WEEKLY FLOW TOTALIZER DATA ARE ACCEPTABLE.
RECOMMEND 2/MONTH MONITORING OF OIL & GREASE, SETTLEABLE SOLIDS, PHENOLS,
pH, AND TURBIDITY. RECOMMEND MONITORING FOR TOLUENE, BENZENE, AND XYLENE BE
DONE ON THE SAME SCHEDULE AS TOXICITY TESTING (FIRST 5 DISCRETE DISCHARGE
EVENTS) AND THEN ANWALLY AFTER THAT.
A REOPENER CLAUSE SHOULD BE PLACED IN THE PERMIT TO ALLOW FOR LIMITS TO BE
PLACED ON TOXICANTS SHOULD THE FACILITY FAIL ITS WHOLE EFFLUENT TOXICITY
TEST.
Recommended by:
Reviewed by �y1)
Tech Support ypervisor:
11 Re Regional Supervisor:
2 Permits & Engineering:
RETURN TO TECHNICAL SERVICES BY:
-____AUG 2 7 1988
Date:
Date:
Date:
Date:
-7124Ss
$ 3—g
ste

Facility Name anou, t - GuiC Al' SQu+Kegs - ` o r,,vtteta) Permit # NCO() 2CZ 2/7
003
ACUTE TOXICITY TESTING REQUIREMENT
Daphnid 48 hr - Monitoring for Episodic Events
The permittee shall conduct FIVE acute toxicity tests using protocols defined in E.P.A. Document
600/4-85/013 entitled "The Acute Toxicity of Effluents to Freshwater and Marine Organisms".
The monitoring shall be performed as a Daphnia pulex or Ceriodaphnia 48 hour static test, using
effluent collected as a single grab sample. Effluent samples for self -monitoring purposes must be
obtained below all waste treatment. Sampling and subsequent testing will occur during the first five
discrete discharge events after the effective date of this permit. After monitoring of the first five
toxicity tests, the permittee will conduct one test annually, with the annual period beginning in
January of the next calendar year. The annual test requirement must be performed and reported by
June 30. If no discharge occurs by June 30, notification will be made to the Division by this date.
Toxicity testing will be performed on the next discharge event for the annual test requirement.
The parameter code for this test if using Daphnia pulex is TAA3D. The parameter code for this test
if using Ceriodaphnia is TAA3B. All toxicity testing results required as part of this permit
condition will be entered on the Effluent Discharge Form (MR-1) for the month in which it was
performed, using the appropriate parameter code. Additionally, DEM Form AT-1 (original) is to
be sent to the following address:
Attention: Technical Services Branch
North Carolina Division of
Environmental Management
P.O. Box 27687
Raleigh, N.C. 27611
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any test data from either these monitoring requirements or tests performed by the North
Carolina Division of Environmental Management indicate potential impacts to the receiving stream,
this permit may be re -opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum
control organism survival and appropriate environmental controls, shall constitute an invalid test.
Failure to submit suitable test results will constitute a failure of permit condition.
7Q10 IJit cfs
Permitted Flow HA- MGD
IWC% u4
Basin & Sub -Basin 03060 A
Receiving Stream Ur to. Fas-f Fec k beep ��uer /�, Sc
County G'u;l coed Date Vziber
Recommended by:
**Acute Toxicity(Daphnid 48 hr) Monitoring, EPISODIC, See Part 3 ,, ConditionG .