NC0003671_STAFF REPORT_19950811

NPDES DOCUWENT SCANNINS COVER SHEET
NPDES Permit:
NC0003671
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Speculative Limits
Staff keport ,
Instream Assessment (67B)
Environmental Assessment (EA)
Permit
History
Document Date:
August 11, 1995
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NORTH CAROLINA DEPARTMENT OF ENVIRONMENT
HEALTH AND NATURAL RESOURCES
DIVISION OF ENVIRONMENTAL MANAGEMENT
August 11, 1995
M E M O R A N D U M
TO: Jeanette Powell
THROUGH: Steve Maunko
FROM: Ron Linville
SUBJECT: Permit Renewal Request
Amoco Oil/NC0003671
Guilford County
Please be advised that the WSRO is unaware of any changes
associated with this discharge since the last staff report.
Changes in the ORC's status are indicated on the attached
classification form. According to the application for renewal,
the maximum discharge per day is 0.063 MGD as opposed to the
volume of 0.60 MGD shown on the previous staff report (attached).
The -facility must monitor flow, but has no flow limit.
The Region recommends reissuance of the NPDES Permit. If
you have any questions please contact the Regional Office. Thank
you for your assistance on this basinwide renewal.
cc: WSRO
Central Files
Technical Support
Guilford County EHLTH
a:\amoco.rnw

F cc: Permits and Engineering
Tech. Services (Marcia Toler-McCullen)
County Health Dept.
Central les
WSRO
Date October 20, 1989
NPDES STAFF REPORT AND RECOMMENDATIONS
County Guilford
NPDES Permit No. NCO
PART I - GENERAL INFORMATION
1. Facility and Address:
CIP American Oil Company Greensboro Terminal, 7109 W.
�ffl�01
Market Street, Greensboro, N.C. Mailing Address: R.D.
—Pickett, Field Distribution Manager, c/o Amoco Oil
Company, P.O. Box 18048, Greensboro, N.C. 27414
Seef rey-.:-�rIman, Coordinator, Environmental
SG'11W Services, Mail Code 1607A, Amoco Oil Company, P.O. Box
87707, Chicago, Illinois 60680-0707 (200 East Randolph
Drive)
2. Date of Investigation: October 6, 1989
3. Report Prepared by: Art Hagstrom, Environmental
Engineer
4. Persons Contacted and Telephone Number:
Brenda Sue Ward (Sue), Terminal Manager [phone]
ca ld.,,�enior_...Te-retinal-.Op�r.ator
5. Directions to Site:
From Junction of I-40 and Chimney Rock Road go north on
Chimney Rock Road to West Market Street. Go west on
West Market St. to the terminal (across railroad track
to the south) at 7109 W. Market Street
6. 'Discharge Point - Latitude: 360 04' 521' elev. 895'+/-
Longitude: 79 55' 561"
Attach a USGS Map Extract and indicated treatment plant
site and discharge point on map.
USGS Quad No. C19SW or USGS Quad Name
Guilford
7. Size (land available for expansion and upgrading):
Over-all site is approximately 10 acres +/-. The
portion used for wastewater treatment and flow
collection and control is approximately 5 acres
�a

Page 2 of 4
N00003672
October 20, 1989
S. Topography (relationship to flood plain included):
The site is graded for oil storage tanks with
protective dikes. The drainage is to the NE corner to
a final holding pond. The site is out of the flood
plain.
9. Location of nearest dwelling:
Nearest dwellings are located over 2000 feet from the
facility. There is another oil terminal within 500
feet and a bank within 300 feet.
10. Receiving stream or affected surface waters: This
terminal discharges to a wet weather ditch that flows
under W. Market Street via underground and open drainage
system to a small creek (UT to Horsepen Creek)
approximately 1500 feet to the north.
a. Classification: Horsepen Creek; WSIII, NSW
b. River Basin and Subbasin No.: Cape Fear, 03-06-021
c. Describe receiving stream features and pertinent
downstream uses: This discharge flows by storm
drainage systems, covered and undercovered, parallel
to the new Friendly Avenue (see marked Topo). It
junctions with a UT to the Horsepen Creek, goes
.under Friendly Avenue, and into a small pond at the
corner of Friendly Avenue and Old Friendly.Road.
From this pond that collects run off from W. Market
Street, the airport, several oil terminals,
industries, and warehouses, the creek flows through
an area near warehouses, the main airport, farms,
high density houses, etc. to Lake Brant a
water supply lake.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. Type of wastewater: % Domestic
100% Industrial
b.
Volume of Wastewater: 0.60 MGD/MP data
Intermittent/Precipitation Dependent Flows
Types and quantities of industrial wastewater:
1) water from oil/water, separator in tanker
loading areas - oil & gasoline loading area
2) water from diked areas is released to protect
storage tanks

9
N
Page 3 of 4
NCO003672
October 20, 1989
c. Prevalent toxic constituents in wastewater:
Gasolines, Gasoline additive and other petroleum
products
d. Pretreatment Program (POTWs only) N/A
in development approved
should be required not needed
2. Production rates (industrial discharges only) in pounds
N/A
a. highest month in the last 12 months
b. highest year in last 5 years
3. Description of industrial process (for industries only)
and applicable CFR Part and Subpart:
Gasoline and oil storage to supply over the road
tankers.
4. Type of treatment (specify whether proposed or
existing):
Oil/water separator, holding pond (f ive),
discharge by manual valve, and flow measurement
(container and stop watch)
5. Sludge handling and disposal scheme:,ti��
Tank bottom water and tank bottoms to go contract
disposal companies such as Four Seasons Industrial.
-� 6. Treatment plant classification: Class I
7. SIC Code(s) 5171
Wastewater Code(s) 37 39
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction
Grants Funds (municipals only)? No
2. special monitoring requests: Flow should be determined
whenever discharges are made, and Phenol levels should
be determined, if at all possible, just before each
discharge is made so that reasonable lbs/day values can
be determined. Any lbs/day limits that are set should
reflect values that are specific to Horsepen Creek and
should consider the four (4-) current inputs from

Page 4 of 4
NCO003672
October 20, 1989
Astroline, FINA, Phillips and Amoco. If average flows
are to be used and average phenol concentrations are to
be used, instruction should be provided as to how to
evaluate compliance. The WSRO recommends a permit with
phenol monitoring for concentration only, along with
other normal limitations now being used.
3. Additional effluent limits requests: None
4. Other: This discharge is intermittent and rain
dependent. Discharges are not needed unless high water
in the diked areas threaten the storage tanks. Almost
all site drainage goes to a holding pond including water
from the oil/water separator ( that serves the tanker
loading area). Discharges are controlled by an end of
pipe valve that controls flow from the holding pond.
An oil water separation device is located in the pond up
stream from the valve. The flow goes into a storm
drain just south of the RR. The discharge flows by
way of a storm drainage system under W. Market Street
via a normally dry system for approximately 1500 feet
before entering a small stream and then a small pond (2
acres +/-) and then to a UT to Horsepen Creek at Old
Friendly Road.
PART IV - EVALUATION AND RECOMMENDATIONS
Flow may continue to be determined using a calibrated
contanne& and a stop watch along with a timed discharge, after
calibration. All discharges shall be reported and flows
determined.
The WSRO recommends the re -issuance of this Permit.
LL CIO
.
Signature of port preparer
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