NCG140250_COMPLETE FILE - HISTORICAL_20030212

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
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DOC TYPE
HISTORICAL FILE
❑ MONITORING REPORTS
DOC DATE
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YYYYMMDD

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
February 12, 2003
LYMAN AUSTIN
READY MIXED CONCRETE CO
PO BOX 27326
RALEIGH, NC 27611
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: NPDES Permit Modification -Name and/or Ownership Change
Permit Number NCG 140250
Ready Mixed Concrete Co - Hillsborough
Unicon Concrete LLC
Orange County
Dear Permittee:
In accordance with your request received November 27, 2002, the Division is forwarding the subject permit
modification. This modification documents the change in the ownership of the subject facility. All other terms and
conditions in the original permit remain unchanged and in full effect. This permit modification is issued under the
requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North
Carolina and the U. S. Environmental Protection Agency dated December 6. 1983.
"IYIis permit modification does not affect the legal requirement to obtain other permits which may be
required by the Division of Water Quality, the Division of Land Resources, Coastal Area Management Act, or any
other Federal or Local government permit that may be required. If you have any questions concerning this permit,
please contact Valery Stephens at the telephone number or address listed below.
Sincerely,
for Alan W. Klimek, P.E.
cc: Central Files
Raleigh Regional Office, Water Quality Section
Stormwater and General Permits Unit Files
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140250
STORMWATER AND PROCESS WASTEWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
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,
READY MIXED CONCRETE CO
is hereby authorized to operate a process wastewater treatment system, and is hereby authorized to discharge process
wastewater and stormwater from a facility located at
READY MIXED CONCRETE CO - HILLSBOROUGH
411 VALLEY FORGE ROAD
HILLSBOROUGH
ORANGE COUNTY
to receiving waters designated as Cates Creek, a class C NSW stream, in the Neuse River Basin in accordance with
the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, IV, V, and VI of
General Permit No. as attached.
This certificate of coverage shall become effective February 12, 2003.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day February 12, 2003.
1
for Alan W. Klimek, P.E. Director
Division of Water Quality
By Authority of the Environmental Management Commission

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
Kerr T. Stevens, Director
LT?WA
1 •
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
July 26, 1999
CHRIS NEESE
UNICON CONCRETE. INC. - HILLSBOROUGH PLT.
PO BOX 11099
DURHAM, NC 27703 _
Subject: Reissue - NPDES Stormwater Permit
Unicon Concrete, Inc. - Hillsborough Pit.
_ COC Number NCG140250
Dear Permittee: Orange County
In response to your renewal application for continued coverage under general permit NCG140000, the Division of
Water Quality (DWQ) is forwarding herewith the reissued stormwater general permit. This permit is reissued
pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement
between the state of North Carolina and the U.S. Environmental Protection Agency, dated December 6, 1983.
The following information is included with your permit package:
* A copy of general stormwater permit NCG140000
* A Stormwater Pollution Prevention Plan (SPPP) Certification Form. Completion of this form is required to
certify that you have developed and implemented the SPPP as per the conditions of the permit. This form
must be completed and returned to the Division within 30 days of receipt of this letter.
DO NOT SEND the SPPP with the signed form.
* Five copies of the Analytical Monitoring form and five copies of the Qualitative Monitoring form
* A copy of a Technical Bulletin for the general permit which outlines changes in the permit, key requirements,
and addresses frequently asked questions
* A Certificate of Coverage
Your coverage under this general permit is not transferable except after notice to DWQ. The Division may require
modification or revocation and reissuance of the Certificate of Coverage. This permit does not affect the legal
requirements to obtain other permits which may be required by DENR or relieve the permittee from responsibility
for compliance with any other applicable federal, state, or local law, rule, standard, ordinance, order, judgment, or
decree.._
If you have any questions regarding this permit package please contact Aisha Lau of the Central Office Stormwater
and General Permits Unit at [phone], ext. 578
Sincerely,
for Kerr T. Stevens
cc: Central Files
Stormwater and General permits Unit Files
Raleigh Regional Office
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] Fax [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

STATE OF NORTH_ CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140250
STORMWATER AND PROCESS WASTEWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
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,
UNICON CONCRETE, INC. - HILLSBOROUGH PLT.
is hereby authorized to operate a process wastewater treatment system, and is hereby authorized to discharge process
wastewater and stormwater from a facility located at
UNICON CONCRETE, INC. - HILLSBOROUGH PLT.
411 VALLEY FORGE ROAD
HILLSBOROUGH
ORANGE COUNTY
to receiving waters designated as Cates Creek in the Neuse River Basin
in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I. 11, III.
IV, V, and VI of General Permit No. NCG140000 as attached.
This certificate of coverage shall become effective August 1, 1999.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day July 26, 1999.
for Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
A. Preston Howard, Jr., P.E., Director
September 26, 1997
Al Neale
Unicon Concrete -Hillsborough
Post Office Box 11099
Durham, North Carolina 27703
K?FA
'T
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Subject: General Permit No. NCG140000
Unicon Concrete -Hillsborough
COC NCG 140250
Orange County
Dear Mr. Neale:
In accordance with your application for discharge permit received on July 07, 1997, we are forwarding
herewith the subject certificate of coverage to discharge under the subject state - NPDES general permit. This
permit is issued pursuant to the requirements of North Carolina General Statute 143-215 .I and the
Memorandum of Agreement between North Carolina and the US Environmental Protection agency dated
December 6, 1983.
If any parts, measurement frequencies or sampling requirements contained in this permit are
unacceptable to you, you have the right to request an individual permit by submitting an individual permit
application. Unless such demand is made, this certificate of coverage shall be final and binding.
PIease take notice that this certificate of coverage is not transferable except after notice to the Division
of Water Quality. The Division of Water Quality may require modification or revocation and reissuance of the
certificate of coverage.
This permit does not affect the legal requirements to obtain other permits which may be required by the
Division of Water Quality or permits required by the Division of Land Resources, Coastal Area Management
Act or any other Federal or Local governmental permit that may be required.
If you have any questions concerning this permit, please contact Aisha Lau at telephone number 919/733-5083
ext. 578.
Sincerely,
ORIGINAL SIGNED BY
BRADLF_Y 13ENPITT
A. Preston Howar , r., P. E.
cc: Raleigh Regional Office
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

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG140250
STORMWATER DISCHARGES
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,
UNICON CONCRETE
is herby authorized to discharge stormwater from a facility located at:
UNICON CONCRETE - HILLSBOROUGH
411 VALLEY FORGE ROAD
HILLSBOROUGH, NC
ORANGE COUNTY
to receiving waters designated as Cates Creek, a class C NSW stream in the Neuse River Basin
in accordance with the effluent limitations, monitoring requirements and other conditions set forth in Pans 1.
It, III and IV of General Permit No. NCG 140000 as attached.
This Certificate of Coverage shall become effective September 26, 199T
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day September 26, 1997.
ORIGINAL SIGNED BY
BRADLEY BENNETT
A. Preston Howard, Jr., P.E., Director
Division of Water Quality
By Authorization of the Environmental Management Commission

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