NC0003875_Authorization to construct_19890505

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 R. Paul Wilms
William W. Cobey, Jr., Secretary Director
John O'Janpa
Environmental Engineer
Occidental Chemical Corporation
P.O. Box 368
Castle Hayne, NC 28429
May 5, 1989
Subject: Permit No. NC0003875
Authorization to Construct
Occidental Chemical Corporation
Treatment Modification
New Hanover County
Dear Mr O' Janpa:
A letter of request for an Authorization to Construct was received March 10, 1989 by the
Division and final plans and specifications for the subject project have been reviewed and found to
be satisfactory. Authorization is hereby granted for the construction of three (3) 24,000 gallon
reactor tanks to replace three (3) 12,000 gallon reactor tanks and all associated pipes, valves and
appurtenances to serve Occidental Chemical Corporation in New Hanover County.
This Authorization to Construct is issued in accordance with Part III, paragraph B of the
NPDES Permit No. NC0003875 issued April 28,1988, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and limitations
specified in Permit No. NC0003875.
Upon 50% completion of the subject facilities the Permittee must employ a certified
wastewater operator in accordance with Part III paragraph C of the referenced permit.
The sludge generated from these treatment facilities must be disposed of in accordance with
G.S. 143-215.1 and in a manner approvable by the North Carolina Division of Environmental
Management.
The Wilmington Regional Office, telephone number 919/256-4161 shall be notified at least
twenty-four (24) hours in advance of backfilling of the installed system, so that an in -place
inspection can be made. Such notification to the Regional Supervisor shall be made during the
normal office hour from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
holidays.
Pollution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

In event the facilities fail to perform satisfactorily in meeting its NPDES permit effluent limits,
the permittee shall take such immediate corrective action as may be required by this Division,
including the construction of additional wastewater treatment and disposal facilities.
Upon completion of construction and prior to operation of this permitted facility, a certification
must received from a professional engineer certifying that the permitted facility has been installed in
accordance with the approved plans and specifications. Mail the Certification to the Permits and
Engineering Unit, P.O. Box 27687, Raleigh, NC 27611-7687.
A copy of the approved plans and specifications shall be maintained on file by the Permittee
for the life of the permit.
One (1) set of approved plans and specifications is being forwarded to you. If you have any
questions or need additional information, please contact Mr. William Barlow, telephone number
919/733-5083.
Sincerely,
. Paul Wilms
cc: New Hanover County Health Department
Wilmington Regional Office
Permit No. NC0003875
Engineer's Certification
I, , as a duly registered Professional Engineer in the
State of North Carolina, having been authorized to observe (periodically/weekly/full time) the
construction of the project,
for the
(Project)
(Name or Location)
hereby state that, to the best of my
(Project Owner)
abilities, due care and diligence was used in the observation of the project construction such that the
construction was observed to be built within substantial compliance and intent of the approved plans
and specifications.
Sigature Registration No.
Date