NCG510207_Permit issuance_19951201

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State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
December 1, 1995
Mr. Dan C. Miller
Colonial Pipeline Company
PO Box 87
Paw Creek, North Carolina 28130
Subject: General Permit NCG510000
Cert. of Coverage NCG510207
Colonial Pipeline
Mecklenburg County
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In accordance with your application for an Authorization to Construct received May 24, 1995 by
the Division, we are herewith forwarding one set of final approved plans and specifications. Authorization
is hereby granted for the modification of the existing groundwater treatment facility adding a new recovery
well by the control building, converting MW-38, MW-39 and MW-41 to vacuum assisted recovery wells,
Constructing a recovery trench with a collector well in the center and an oil/water separator rated at 12 gpm
with discharge of groundwater into the existing 0.0648 MGD groundwater treatment system consisting of
an oillwater separator, air stripping and carbon filtration.
The Authorization to Construct is issued in accordance with Part III, Paragraph 2 of NPDES
Permit No. NCG510000 and Certificate of Coverage issued July 29, 1994, and shall be subject to
revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NCG510000.
In the event that the facilities fail to perform satisfactorily, including the creation of nuisance
conditions, the Permittee shall take immediate corrective action, including those as may be required by this
Division, such as the construction of additional or replacement wastewater treatment or disposal facilities.
The Mooresville Regional Office, telephone number 704/663-1699, shall be notified at least forty-
eight (48) hours in advance of operation of the installed facilities so that an in -place inspection can be
made. Such notification to the regional supervisor shall be made during the normal office hours from 8:00
a.m. until 5:00 p.m. on Monday through Friday, excluding State Holidays.
Upon completion of construction and prior to operation of this permitted facility, a certification
must be received from a professional engineer certifying that the permitted facility has been installed in
accordance with the NPDES Permit, the Certificate of Coverage, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to the Permits and Engineering Unit, P.O. Box
29535, Raleigh, NC 27626-0535.
A copy of the approved plans and specifications shall be maintained on file by the Permittee for the
life of the facility.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

Permit No. NCG510000
Authorization to Construct
Colonial Pipeline Company.
December 1, 1995
Page 2
Failure to abide by the requirements contained in this Authorization to Construct may subject the
Permittee to an enforcement action by the Division of Environmental Management in accordance with
North Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this permit does not preclude the Permittee from complying with any and all
statutes, rules, regulations, or ordinances which may be required by the Division of Environmental
Management or permits required by the Division of Land Resources, the Coastal Area Management Act or
any Federal or Local other governmental permit that may be required.
If you have any questions or need additional information, please contact Charles Alvarez,
telephone number 919n33-5083, extension 553.
Sincerely, /
Preston owazd, Jr., P.E.
cc: Mecklenburg County Health Department
Mooresville Regional Office, Water Quality
Training and Certification Unit
ATC Fileg