NC0004839_Wasteload Allocation_19901121

NPDES DOCUMENT SCANNINO COVER SHEET
NPDES Permit:
NC0004839
Document Type:
Permit Issuance
(Wasteload
Allocation
Authorization to Construct (AtC)
Permit Modification
Speculative Limits
Correspondence
Instream Assessment
(67B)
Environmental Assessment (EA)
Permit
History
Document Date:
November 21, 1990
Thisa document is printed on reuse paper - i.nore any
content.on the reirerae aide

ESTNPDESWAS1ELOAD
p
PERMIT NO.: NC0004839
PERMITTEE NAME: Exxon Company, U. S. A. / Charlotte
Facility Status: Existing
Permit Status: Renewal
Major Minor
Pipe No.: 001
Design Capacity:
Domestic (% of Flow): 0 %
Industrial (% of Flow): 100 %
Comments:
oil storage terminal, no flow limit on permit
Modeler
Date Rec.
#
Sykr5
!L/zg/Bqi
5$ 3 Z
i EAJ 2
Drainage Area (mi )
Avg. Streamflow (cfs):
7Q10 (cfs) r) Winter 7Q10 (cfs)
0
30Q2 (cfs)
Toxicity Limits: IWC 55- % hronic
eP►sod«
Instream Monitoring:
Parameters
Upstream Location
Downstream Location
RECOMMENDED EFFLUENT LIMITS
Mo. Avg. Daily Max. Min/Max Mon. Freq
Oil and Grease (mg/1): 30 60 2/month
Settleable Solids (ml/1): 0.1 0.2 2/month
pH (su) : 6-9 2/month
Turbidity (NTU): 50 2/month
RECEIVING STREAM: an unnamed tributary to Long Creek Toxicity Testing Req.: acuteMmonitte oring for episodic events
The following products are stored: petroleum products including
Class: C unleaded gasoline, diesel fuel, kerosene, and home heating oil.
No other products are to be stored without modification of this permit.
Sub -Basin: 03-08-34 All volumes of wastewater leaving the facility must be monitored. If
continuous monitoring is not feasible, then discharger shall record the
Reference USGS Quad: F 15 SW (please attach) approximate times that discharge began and ended, along with the
instantaneous flow at the time of effluent sampling. Monitoring for
County: Mecklenburg benzene, ethylbenzene, isopropyl ether, napthalene, and tolulene using EPA
methods 601 and 602. Also monitor for dibromoethane (EDB), methyl tert-
Regional Office: Mooresville Regional Office butyl ether, and xylene during the first five discharge events, and then
annually to coincide with the whole effluent toxicity test, after the
Previous Exp. Date: 5/31/90 Treatment Plant Class: 1 effective date of the permit. Monitoring should occur on same schedule as
the toxicity testing. Monitoring and toxicity samples should be
Classification changes within three miles: taken at the same time within 24 hrs of the beginning of discharge.
A reopener clause should be placed in the permit to allow for limits to be
none placed on toxicants should the facility's whole effluent toxicity monitoring
indicate unacceptable toxic effects.
Requested by: Rosanne Barona Date: 12/6/89
Prepared by: U — Date: // /
Reviewed by: Date: I a0l GI U
o
Comments: Nb 3reurinwa{{i��e.r rPw►rA a.E;mti tua.Y bP c►ovtch )
Ae
WIC Deerwv-� vNoCi�17CG�iC✓1 .

(� I4,Lovo Creek 6 c
,g,q,./_//26/?°
0 3-08- 3q
itccvaL_ (,7////zo . prod 2 A /2��v1s �ft=�_ 1.22-ec%__%91v2,Lv Is
cSJtn cJs elect , a as - ce -4
3
1A-1A,Rh� nJ J / kQrd2 &-
N2ctn �O`tG_l� j cf..... D4_ Gam- cs
'pp LA"-- CUvat K,
p± L —spy moo .cf,S /
04 Alton AdyIrd/_ cet toas 74) co>
roGads 'a,(,�i� rerniza.taccoL. _/ asktat rrtdu - ---i•z,) — enS. _repot*.
ovt, 7i0 d,A. wit.
Z�J
OD No_ �+•-�D pipe/ rLS�2r �n¢,m( ?-aganeut. -Tb LcJs: ta- -� yule.
A
/06 epee vies+ • w6.4t
/riga, 444-4:6" Sa/ pere.:,.. en..044;ekat.v47.44..._
V
�3�� ,., / /
-i S�

RECEIVED
ZITELSION OF ENVIRONMENTAL MANAISEME111
FEB 13 1990
MOORESVILLE
WASTELOADmA EttATION APPROVAL FORM
Facility Name:
NPDES No.:
Type of Waste:
Status:
Receiving Stream:
Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Quad: F15SW
RECOMMENDED EFFLUENT
Mo. Avg.
Oil and Grease (mg/1) :
Settleable Solids (ml/1):
pH (su) :
Turbidity (NTU) :
30
Exxon Co.
NC0004839
Industrial/Oil-Water
Existing/Renewal
UT to Long Creek
C
30834
Mecklenburg
Mooresville ad
Rosanne Barona
12/6/90
Separator
Drainage area:
Summer 7Q10:
Winter 7Q10:
Average flow:
30Q2:
LIMITSI
Daily Max.
60
0.1 0.2
50
Toxicity Testing Req.: acute monitoring forepisodic events
COMMENTS
Ri 452 2
Nj r°�r�o4 N9r
zottit
8/ 9 n. 2 2 /99
f
sq mi
0.00 cfs
0.00 cfs
cfs
0.00 cfs
Min/Max
LB 61.ya
,'Mon. Freq
2/month
2/month
2/month
2/month
The following products are stored: petroleum products including
unleaded gasoline, diesel fuel, kerosene, and home heating oil.
No other products are to be stored without modification of this permit.
All volumes of wastewater leaving the facility must be monitored. If
continuous monitoring is not feasible, then discharger shall record the
approximate times that discharge began and ended, along with the
instantaneous flow at the time of effluent sampling. Monitoring for
benzene, ethylbenzene, isopropyl ether, napthalene, and tolulene using EPA
methods 601 and 602. Also monitor for dibromoethane (EDB), methyl tert-
butyl� 'and xylen during the first five discharge events, and then
annually to coincide with the whole effluent toxicity test, after the
effective date of the permit. Monitoring should occur on same schedule as
the toxicity testing. Monitoring and toxicity samples should be
taken at the same time within 24 hrs of the beginning of discharge.
A reopener clause should be placed in the permit to allow for limits to be
placed on toxicants should the facility .ail its whole effluent tox:c`t t.
Prepared by:
Betsy Johnson
Reviewed by
Instream Assessment:
Regional Supervisor:
Permits & Engineering:
026
RETURN TO TECHNICAL SUPPORT BY:
MAR 10 1994
Date: 02/5/70
Date:
Date: aii i Q 0
Date:

11/89
Facility Name rk kaA1 - zle
Permit # Neoa o 9'g 3 ?
ACUTE TOXICITY TESTING REQUIREMENT
Fathead Minnow 24 hr - Monitoring (Annual) for Episodic Events
The permittee shall conduct FIVE acute toxicity tests using protocols defined as definitive 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 Fathead Minnow (Pimephales
prornelas) 24 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 ill 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 is TAE6C. 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: Environmental Sciences 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 noncompliance with monitoring requirements.
7Q10 cfs
Permitted Flow — MGD
IWC%v g5 tlob '»)
Basin & Sub -Basin 03 - as? - 3
Receiving Stream u r Lono er-e6k
County NjerXlenbw.9
Recommended by:
Date 1 ,71/lv 90
**Acute Toxicity(Fathead Minnow 24 hr) Monitoring, EPISODIC, See Part 3 , Condition G. .