NC0046892_Permit Modification_20030131

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
Alan W. Klimek, P.E., Director
January 31. 2003
Ms. Nicola A. Ellis
Motiva Enterprises, LLC
2232 Ten Ten Road
Apex, North Carolina 27502
A7A
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: NPDES Permit Modification Request
Permit NC0046892
Charlotte South Terminal
Mecklenburg County
Dear Ms. Ellis:
The Division has reviewed your request to reduce the monitoring frequency for MTBE in the subject permit.
Please note that special condition A. (4.) of your permit indicates that if MTBE has not been detected in any
samples taken during the first year, the facility may request that the monitoring frequency for MTBE be
reduced. After performing a data review, the Division has determined that MTBE was detected at outfall 001
in December of 2002. Moreover, the level detected exceeds the proposed North Carolina water quality
criterion for MTBE. Therefore. your request to reduce the MTBE monitoring frequency at outfall 001 must
be denied. Furthermore, your current permit indicates that in the case in which MTBE has been detected
within the first year of effluent sampling, the subject facility must submit an MTBE reduction plan. This
action plan may include site -specific BMPs or engineering solutions. A copy of this plan should be
submitted to:
North Carolina Division of Water Quality
Water Quality Section
Attn: NPDES Unit
1617 Mail Service Center
Raleigh, NC 27699-1617
Please note that the Division requires that a minimum of eight to ten data points be collected and submitted
before requesting a permit modification. The data submitted for outfall 002 do not meet the minimum
criteria. As such, the Division must deny your request to reduce MTBE monitoring at oufall 002. Once the
minimum criteria have been met, you may request a minor modification to reduce MTBE monitoring at
outfall 002. Please also note that if MTBE is detected at outfall 002, you must develop an MTBE reduction
plan as per special condition A. (4.).
If you have any questions, please contact Christie Jackson at [phone], extension 538.
Sincerely,
cc: Central Files
Mooresville Regional Office, Water Quality Section
Point Source Compliance Enforcement Unit
NPDES Unit
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
An Equal Opportunity Affirmative Action Employer
an W. Klimek, P.E.
Telephone [phone] FAX [phone]
VISIT US ON THE INTERNET @ http://h2o.enr.state.nc.us/NPDES

Permit NC0046892
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
(NPDES)
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and regulations
promulgated and adopted by the North Carolina Environmental Management Commission, and" the Federal Water Pollution
Control Act, as amended, •
Motiva Entrprises, LLC
is hereby authorized to discharge wastewater from outfalls located at the
Charlotte South Terminal
6851 Freedom Drive
Charlotte
Mecklenburg County
to receiving waters designated as an unnamed tributary to Long Creek in the Catawba River basin in
accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III and IV hereof.
This permit shall become effective September 1, 2001
This permit and authorization to discharge shall expire at midnight on June 30, 2005.
Signed this day July 30, 2001.
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit NC0046892
SUPPLEMENT TO PERMIT COVER SHEET
Motiva Enterprises, LLC
is hereby authorized to:
1. Continue to s ' : : - stormwater from diked tank storage areas via outfall 001 and
2. Continue to operate a water pollution control system for the treatment of groundwater and
stormwater from the truck loading racks area and discharge the treated waters via outfall 002. The
treatment system consists of the following com.onents:
• Oil/water separator
• Three Granular Activated Carbon (GAC) absorption units
• Air Stripper
• Floculation tank
• Clarifier
• Holding tank
This facility is located at the Charlotte South Terminal, 6851 Freedom Drive, Charlotte,
Mecklenburg County and
3. Discharge from said treatment facility at specified location (see attached map) into an unnamed
tributary to Long Creek, a waterbody claTied as WS-IV waters within the Catawba River Basin.

Charlotte Terminal
Outfalls 001 and 002
Motiva Enterprises, LLC
Charlotte erminal
State Grid/Ouad: F15SW (Mt. Island Lake)
Latitude: 35'16'42" N
Longitude: 80'56'27" W
Receiving Stream: UT to Long Creek Drainage Basin: Catawba River Basin
Stream Class: WS-1V
NPDES Permit No. NC0046892
Mecklenburg County
Sub -Basin: 30834
North

Permit NC0046892
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
expiation, the Permittee is authorized to
uch discharges shall be limited,and
Beginning on the effective date of the permit and lasting u
discharge stormwater from diked areas from
monitored by the Permittee as specified below:
' 06-N
1
EFFLUENT
CHARACTERISTICS
LIMITS
MONITOR $ G REQUIREMENTS
Monthly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample Location
Flowl
Epiosdic
1
Effluent
Turbidity2
Quarter
Grab
Effluent
Oil and Grease3
Mont y
Grab
Effluent
Total Suspended Solids
45.0 mg/L
Mo ly
Grab
Effluent
Phenol
e0.Q9
Grab
Effluent
110—
MT : E4
Monthl
Grab
Effluent
: TEX r 5T-1
Grab
Effluent
thly
' • Methods 25'
7
Semi -Annually
Grab
Effluent
Acute Toxicity6
f 1
Annually
Grab
Effluent
4-6 ki3/i_
• Q: wJt Ca) c k
Footnotes: To I ktf,fAt. w I 't
Nit
1. Flow — During periods no flow, the Permittee shall submit a monthly Discharge Monitoring Report
(DMR) indicating "No discharge." Flow shall be monitored with each discharge event and may be
monitored in one of four ways:
a) measure flow continuously;
b) calculate flow based on total rainfall per area draining to the outfall; (this method of flow
measurement should not be used for facilities with large runoff -collection ponds);
c) estimate flow at 20-minute intervals during the entire discharge event; or
d) report flow based on discharge pump logs.
2. Turbidity — Effluent shall not cause receiving stream turbidity to exceed 50 NTU. If receiving
stream background turbidity exceeds 50 NTU, effluent shall not cause this background value to
increase.
3. Oil and Grease— Where possible, the grab sample for oil and grease should be skimmed from
the surface of a quiescent (calm water) zone.
4. MTBE — Please see Part A.(4) for other requirements relating to MTBE
5. EPA Method 625 - Once the facility has collected data for 8 consecutive sample events in which there
have been no detections above the method detection limit, the permittee may request a modification to
the permit that reduces or eliminates the monitoring requirement.
6. Acute Toxicity (Fathead Minnow, 24-hour), Annual [see Special Condition A.(3)]. Samples for Acute
Toxicity shall be collected concurrent with BTEX sampling.
There shall be no discharge of floating solids or foam visible in other than trace amounts.
There shall be no direct discharge of tank solids, tank bottom water, or the rag layer.
here shall be no direct discharge of tank (or pipe) contents following hydrostatic testing unless benzene
concentration is less than 1.19 µg/1 and toluene concentration is less than 11 µg/l.

Permit NC0046892
A. (2) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
Beginning on the effective date of the permit and lasting until expiration, the
discharge treated groundwater and stormwater from loading racks fro
shall be limited and monitored by the Permittee as specified below:
is authorized to
uch discharges
EFFLUENT
CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Daily Maximum
Measurement
Frequency
Sample
Type
Sample Location
Flowl
Episodic
1
Effluent
Turbidity2
Quarterly
Grab
Effluent
Oil and Grease3
Monthly
Grab
Effluent
Total Suspended Solids
30.0 ma/L
Monthly
Grab
Effluent
Phenol
/6.07 m 1
Monthl
Grab
Effluent
MTBE4
(1Glonth
Grab
Effluent
erly
Grp
Efflt
BTEX •
Monthly
Grab
Effluent
EPA Methods 6255
Semi -Annually
Grab
Effluent
Acute Toxicity6
Annually
Grab
Effluent
•
Footnotes: `(M
L
1. Flow — During periods of no flow, the Permittee shall submit a monthly Discharge Monitoring Keport
(DMR) indicating "No discharge." Flow shall be monitored with each discharge event and may be
monitored in one of four ways:
a) measure flow continuously;
b) calculate flow based on total rainfall per area draining to the outfall; (this method of flow
measurement should not be used for facilities with large runoff -collection ponds);
c) estimate flow at 20-minute intervals during the entire discharge event; or
d) report flow based on discharge pump logs.
2. Turbidity — Effluent shall not cause receiving stream turbidity to exceed 50 NTU. If receiving
stream background turbidity exceeds 50 NTU, effluent shall not cause this background value to
increase.
3. Oil and Grease — Where possible, the grab sample for oil and grease should be skimmed from
the surface of a quiescent (calm water) zone.
4. MTBE — Please see Part A.(4) for other requirements relating to MTBE.
5. EPA Method 625 - Once the facility has collected data for 8 consecutive sample events in which there
have been no detections above the method detection limit, the permittee may request a modification to
the permit that reduces or eliminates the monitoring requirement.
6. Acute Toxicity (Fathead Minnow, 24-hour), Annual [see Special Condition A.(3)]. Samples for Acute
Toxicity shall be collected concurrent with BTEX sampling.
There shall be no discharge of floating solids or foam visible in other than trace amounts.
There shall be no direct discharge of tank solids, tank bottom water, or the rag layer.
There shall be no direct discharge of tank (or pipe) contents following hydrostatic testing unless benzene
concentration is less than 1.19 µg/1 and toluene concentration is less than 11 g/I.

Permit NC0046892
EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
SPECIAL CONDITIONS
A. (3) ACUTE TOXICITY MONITORING (ANNUAL)
The Permittee shall conduct annual toxicity tests using protocols defined as definitive in EPA Document
EPA/600/4-90/027 entitled "Methods for Measuring the Acute Toxicity of Effluents to Freshwater and
Marine Organisms." The monitoring shall be performed as a Fathead Minnow (Pimephales promelas)
24-hour static test. Effluent samples for self -monitoring purposes must be obtained below all waste
treatment. The permittee will conduct one test annually, with the annual period beginning in January of
the calendar year of the effective date of the permit. 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 is AE6C. 11 toxicity results required as part of this permit
condition will be entered on the E ' u Discharge Form (MR-1) for the month in which it was
performed, using the appropriate parameter code. Additionally, DWQ Form AT-1 (original) is to be sent
to the following address:
Attention: North Carolina Division of Water Quality
Environmental Sciences Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Branch no later
than 30 days after the end of the reporting period for which the report is made.
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 Water Quality 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 and will
require immediate follow-up testing to be completed no later than the last day of the month following the
month of the initial monitoring.

Permit NC0046892
A. (4) MTBE SPECIAL CONDITION
Fo pro e • - public health, oil terminals that discharge ta_waterreassified as wa er supplies
WS" waters) will adhere to e • • on pan:
1. As stated in Part A. (1.), monthly monitoring of MTBE for the duration of the permit is required.
2. After one year of monthly monitoring or once twelve data points have been collected, the
Permittee shall review the MTBE data collected. If MTBE has not been detected in any samples
taken during the first year, the facility may request that the monitoring frequency for MTBE be
reduced. This should be done by requesting the NPDES Unit to perform a minor modification to
the NPDES permit. In the case in which MTBE has been detected within the first year of
effluent sampling, the subject facility must submit an MTBE reduction plan. This action plan
may include site -specific BMPs or engineering solutions. A copy of this plan should be
submitted to:
1 4 orth Carolina Division of Water Quality
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