NC0086169_Permit (Issuance)_20000414

NPDES DOCIMENT :MCANNINO COVER SHEET
NPDES Permit:
NC0086169
Corning / Midland facility
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Correspondence
Speculative Limits
Instream Assessment (67b)
Environmental Assessment (EA)
Permit
History
Document Date:
April 14, 2000
Thus document is printed on reu*e paper - ignore any
content on the refire side

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
April 14. 2000
Ms. Christy L. Hannan
Corning Incorporated
Telecommunications Products Division
14556 Highway 601 South
Midland, North Carolina 28107
A7A
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: .NPDES Permit Issuance
• Permit Number NC0086169
Midland Fiber Facility
Cabarrus County
Dear .11s. Hannan:
In accordance with the application for discharge permit received on .April 7. 1999, the Division is
forwarding herewith the subject state - NPDES permit. This permit is issued pursuant to the requirements of
North Carolina General Statute 145-215.1 and The Memorandum of Agreement between North Carolina and
the L.S. Environmental Protection Agency dated December 6, 1985.
In accordance with your request, the modification (specifically the flow increase and change in toxicity
testing requirement for outfall 005) has been phased to better coincide with the proposed construction
schedule at the above referenced "facility. Effluent limitations for the increased flow of 0.107 11GD become
effective on March 1 , 2001. •
If any parts, measurement frequencies or sampling requirements contained in this permit are
unacceptable to you. you have the right to an adjudicatory hearing upon written request within thirty (50) days
following receipt of this letter_ This request must be in the form of a written petition. conforming to Chapter
150B of the North Carolina General Statutes. and filed with the Office of Administrative Hearings. 6714 .Mail
Service Center. Raleigh, North Carolina 27699-6714. Unless such a demand is made; this permit shall be
final and binding.
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 permits which may be required.
If you have any questions regarding the attached draft permit, please do not hesitate to contact me at
telephone number [phone], extension 553.
Sincerely.
Original Signed By
David A, Goodrich
Kerr T. Stevens
Cc: Central Files
NPDES Permit File
Mooresville Regional Office, Water Quality
EPA. Roosevelt Childress
Point Source Compliance/Enforcement Unit
1617 MAIL SERVICE CENTER, RALEIGH, NORTH CAROLINA 27699-1617 - TELEPHONE [phone]/FAX [phone]
AN EQUAL OPPORTUNITY AFFIRMATIVE ACTION EMPLOYER - SO% RECYCLED/ 10% POST -CONSUMER PAPER
VISIT US ON THE WEB AT http://h2o.cnr.state.nc.us/NPDES

Permit No. NC0086169
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
In compliance with the provision of North Carolina General Statute 145-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
Corning Incorporated
is hereby authorized to discharge wastewater and stormwater from a facility located at
Corning Incorporated
Off Highway 601
Midland
Cabarrus County
to receiving waters designated as an unnamed tributary of Muddy Creek (outfall 001), an unnamed
tributary of Clear Creek (outfall 002) and the Rocky. River (outfall 005) in the Yadkin -Pee Dee
River Basin in accordance with effluent limitations, monitoring requirements, and other conditions
set forth in Parts I, II, III, IV, V and VI hereof.
The permit shall become effective May 1, 2000.
This permit and the authorization to discharge shall expire at midnight on October 51, 2005.
Signed this day April 14, 2000.
Original Signed By
David A. Goodrich
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit No. NC0086169
SUPPLEMENT TO PERMIT COVER SHEET
Corning Incorporated
is hereby authorized to:
1 Continue to operate a 0.0274 MGD wastewater treatment facility (outfall 003)
consisting of an equalization tank, an off -spec tank, a Lamella clarifier, two
neutralization tanks and a neutralization transfer tank located at a facility located off
of Highway 601 in Midland, Cabarrus County;
2 After receiving Authorization to Construct from the Division of Water Quality,
construct and operate facilities for the discharge of up to 0.107 MGD through outfall
003; and
3. Discharge stormwater and boiler blowdown from a wet detention pond into an
unnamed tributary of Clear Creek (outfall 002), discharge stormwater from a wet
retention pond into an unnamed tributary of Muddy Creek (Outfall 001 — See Part
II, Section A for monitoring requirements), and discharge process wastewater,
cooling tower blowdown, and carbon filter backwash from the above referenced
treatment works at the location specified on the attached map into the Rocky River
(Outfall 005). All receiving streams are classified C waters in the Yadkin -Pee Dee
River basin.

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Outfall 001
Latitude: 35°13'02"
Longitude: 80°31'15"
Ou t fa11003
Latitude:
Longitude 80°02'�0.
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Receiving Streams
001- UT of Muddy Creek
002 - UT of Clear Creek
003 - Rocky River
••
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ROAD CLASSIFICATION
PRIMARY HIGHWAY
HARD SURFACE
SECONDARY HIGHWAY
HARD SURFACE C=L111C3
LIGHT -DUTY ROAD. HARD OR
IMPROVED SURFACE
UNIMPROVED ROAD
Latitude See Above Longitude See Above
Map # G16NE/G 17NW Sub -basin 03-07-12
Stream Class C
Discharge Class 100 % Industrial
Receiving Stream See Above
Design Q 0.023 MGD permit expires 10/ 31 / 99
SCALE 1:24 000
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0
1 MILE
7000 FEET
0 1 KILOMETER
CONTOUR INTERVAL 10 FEET
Corning Incorporated
NC0086169
Cabarrus County
Fiber Optic Manufacturer

A(1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL
Permit No. NC0086169
During the period beginning on the effective date of this permit and lasting until permit expiration, the Permittee is authorized to discharge from outfall serial number
002 — Stormwater and Humidification Boiler Slowdown. Such discharges shall be limited and monitored by the Permittee as specified below:
EFFLUENT CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Locations
Flow
Semi-annually
Estimate
Effluent
-1'emperature2
Semi-annually
Grab
Effluent
"Dotal residual chlorine
Semi-annually
Grab
Effluent
There shall be no chromium, zinc or copper added to the treatment system except as pre -approved additives to biocidal
compounds.
2
The effluent for this outfall shall mean a point upstream of the mixing point with stormwater.
The temperature of the effluent will be regulated so that the temperature of the receiving stream does not increase more than 2.8°C above the natural water
temperature. Receiving water temperature will not exceed a maximum of 52°C.
The permittee shall obtain authorization from the Division prior to any use of biocide in the cooling water. The permittee shall notify the Director in writing at least
ninety (90) days prior to instituting use of any additional biocide in the treatment system which may be toxic to aquatic life (other than biocides previously reported to
the Division). Such notification shall include completion of Biocide WAlorksheet 101 and a map indicating the discharge point and receiving stream.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
All conditions related to the stormwater portion of this outfall can be found in Part II, Stormwater Monitoring, Controls and Limitations for Permitted Discharges.
C o> PIA r)u-o-CL ��s r- %.15

A(2). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL Permit No. NC0086169
During the period beginning on the effective date of the permit and lasting until March 1, 2001, the Permittee is authorized to discharge from outfall serial number
003 - Industrial Process Wastewater, Non -contact Cooling Water, and Carbon Filter Backwash. Such discharges shall be limited and monitored by the
Permittee as specified below:
EFFLUENT CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Weekly.
Average •
Daily
Maximum
Measurement
Frequency
Sample
- Type
Sample Location
Flow (MGD)
0.0274
Continuous
Estimate
Effluents
Total Suspended Solids
30.0 mg/L
45.0 mg/L
Weekly
Composite
Effluent
Chloride
2/Weels
Composite
Effluent
Total Residual Chlorine
28 µg/L
2/Week
Grab
Effluent
Temperature)
Weekly
Grab
Effluent
Iron
2/Weelt
Composite
Effluent
Total Phosphorus
Quarterly
Composite
Effluent
Chronic Toxicity)
Quarterly
Composite
Effluent
p114
Weekly
Grab
Effluent
Pollutant Analysis]
s
Effluent
Notes:
2
J
4
The compliance point for flow shall be upstream of the non -contact cooling water and boiler blowdown internal outfall. The compliance point for all other
parameters shall be at the Rocky River discharge location.
The temperature of the effluent will be regulated so that the temperature of the receiving stream does not increase more than 2.8°C above the natural water
temperature. Receiving water temperature will not exceed a maximum of 32°C.
Chronic Toxicity (Ceriodaphnia) at 0.31 %; January, April, July and October; See Item A(4) of the Supplement to Effluent Limitations and Monitoring'
Requirements.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
See Item A(6) of the Supplement to Effluent Limitations and )Monitoring Requirements.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

A(3). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL Permit No. NC0086169
During the period beginning on March 1, 2001 and lasting until permit expiration. the Permittee is authorized to discharge from outfall serial number 003 -
Industrial Process Wastewater, Non -contact Cooling Water, and Carbon Filter Backwash. Such discharges shall be limited and monitored by the
Permittee as specified below:
EFFLUENT CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample Location
Flow (MGD)
0.107
Continuous
Estimate
EffluentI
Total Suspended Solids
30.0 mg/L
45.0 mg/L
Weekly
Composite
Effluent
Chloride
2/Week
Composite
Effluent
Total Residual Chlorine
28 p.g/L
2/Week
Grab
Effluent
Temperature2
Weekly
Grab
Effluent
Iron
2/Week
Composite
Effluent
Total Phosphorus
Quarterly
Composite
Effluent
Chronic Toxic1 y3
Quarterly
Composite
Effluent
pi-I`t
Weekly
Grab
Effluent
Pollutant Analvsis5
Effluent
Notes:
"The compliance point for flow shall be upstream of the non -contact cooling water and boiler blowdown
parameters shall be at the Rocky River discharge location.
2 The temperature of the effluent will be regulated so that the temperature of the receiving
temperature. Receiving water temperature will not exceed a maximum of 32°C.
internal outfall. The compliance point for all other
stream does not increase more than 2.8°C above the natural Nvater
J Chronic Toxicity (Ceriodaphnia) P/F at 1.0%; January, April, July and October; See Item A(5) of the Supplement
Requirements.
4 The pH shall not be less than 6.0 standard units nor greater than 9,0 standard units.
j See Item A(G) of the Supplement to Effluent Limitations and Monitoring Requirements.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
to Effluent Limitations and Monitoring

Permit NC0086169
A(4). CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY) @ 0.0274 MGD
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubia at an effluent concentration of 0.31%.
The permit holder shall perform at a minimum, quarterly monitoring using test procedures outlined in
the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or
subsequent versions or "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure"
(Revised -February 1998) or subsequent versions. The tests will be performed during the months of
January, April, July, and October. Effluent sampling for this testing shall be performed at the
NPDES permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below
the permit limit, then multiple -concentration testing shall be performed at a minimum, in each of the
two following months as described in "North Carolina Phase II Chronic Whole Effluent Toxicity Test
Procedure" (Revised -February 1998) or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the
highest concentration having no detectable impairment of reproduction or survival and the lowest
concentration that does have a detectable impairment of reproduction or survival. The definition of
"detectable impairment," collection methods, exposure regimes, and further statistical methods are
specified in the "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -
February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the months in which tests were performed, using the parameter
code TGP3B for the pass/fail results and THP3B for the Chronic Value. Additionally, DWQ Form AT-3
(original) is to be sent to the following address:
Attention: NC DENR / DWQ / 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, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature. Total residual chlorine of the effluent toxicity sample must be measured and reported if
chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required, the permittee will complete the information located at the top of the aquatic toxicity (AT) test
form indicating the facility name, permit number, pipe number, county, and the month/year of the
report with the notation of "No Flow" in the comment area of the form. The report shall be submitted to
the Environmental Sciences Branch at the address cited above.
Should the permittee fail to monitor during a month in which toxicity monitoring is required,
monitoring will be required during the following month.
Should any test data from this monitoring requirement 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, minimum control organism reproduction, 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 NC0086169
A(5). CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY) @ 0.107 MGD
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubia at an effluent concentration of 1.0%.
The permit holder shall perform at a minimum, aua.rterlq monitoring using test procedures outlined in
the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or
subsequent versions or "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure"
(Revised -February 1998) or subsequent versions. The tests will be performed during the months of
January, April, July, and October. Effluent sampling for this testing shall be performed at the
NPDES permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below
the permit limit, then multiple -concentration testing shall be performed at a minimum, in each of the
two following months as described in "North Carolina Phase II Chronic Whole Effluent Toxicity Test
Procedure" (Revised -February 1998) or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the
highest concentration having no detectable impairment of reproduction or survival and the lowest
concentration that does have a detectable impairment of reproduction or survival. The definition of
"detectable impairment," collection methods, exposure regimes, and further statistical methods are
specified in the "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -
February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the months in which tests were performed, using the parameter
code TGP3B for the pass/fail results and THP3B for the Chronic Value. Additionally, DWQ Form AT-3
(original) is to be sent to the following address:
Attention: NC DENR / DWQ / 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, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature. Total residual chlorine of the effluent toxicity sample must be measured and reported if
chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required, the permittee will complete the information located at the top of the aquatic toxicity (AT) test
form indicating the facility name, permit number, pipe number, county, and the month/year of the
report with the notation of "No Flow" in the comment area of the form. The report shall be submitted to
the Environmental Sciences Branch at the address cited above.
Should the permittee fail to monitor during a month in which toxicity monitoring is required,
monitoring will be required during the following month.
Should any test data from this monitoring requirement 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, minimum control organism reproduction, 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 NC0086169
A(6). Pollutant Analysis Condition
The Permittee shall conduct a test for pollutants once per
treatment plant. The discharge shall be evaluated as follows:
1) A pollutant analysis of the effluent must be c mpleted
following analytic fractions:
(a)
(b)
(c)
(d)
(e)
(f)
purgeables (i.e., volatile organic -compounds);
acid extractables;
base/neutral extractables;
organochlorine pesticides and PCBs;
herbicides; and -
metals and -other inorganics.
permit cycle at the effluent from the
using EPA approved methods for the
Theual Pollutant Analysis Monitoring (APAM) Requirement Reporting Form A and accompanying
memo describes the sampling and analysis requirements and lists chemicals to be included in the
pollutant analysis. This monitoring requirement is to be referred to as the "Pollutant Analysis
Monitoring Requirement" (PAM).
2) Other significant levels of organic chemicals must be identified and approximately quantified. For
the purpose of implementing this requirement, the largest 10 GC/MS peaks in the purgeable,
base/neutral extractable, and acid exractable fractions (or fewer than 10 if less than 10
unidentified peaks occur) for chemicals other than
those specified on the APA Requirement Reporting Form A should be identified and approximately
quantified as stated in the APAM Reporting Form A instructions. This part (item 2) of the APAM
requirement is to be referred to as the "10 significant peaks rule") .
A(7). Biological Monitoring Condition
The Permittee shall conduct an upstream and downstream benthic macroinvertebrate survey
beginning June 2004 and lasting through September 2004. A report of the findings of this survey
shall be completed and included with the permit application package at the time of permit renewal.
For technical assistance regarding this permit requirement, please contact the Division's Biological
Assessment Unit at [phone].
A(8). Stormwater Monitoring, Controls and Limitations for Permitted
Discharges
During the period beginning on the effective date of the permit and lasting until expiration, the
permittee is authorized to discharge stormwater associated with industrial activity from outfalls 001
and 002. Such discharges shall be controlled, limited and monitored as specified below.
1. Stormwater Pollution Prevention Plans
The permittee shall develop and continue to update a Stormwater Pollution Prevention Plan, herein
after referred to as the Plan. The Plan shall be considered public information in accordance with Part
II. E. 10. of this permit. The Plan shall include, at a minimum, the following items:

Permit NC0086169
a. Site Plan: The site plan shall provide a description of the physical facility and the potential
pollutant sources which may be expected to contribute to contamination of regulated
stormwater discharges. The site plan shall contain the following:
(1) A general location map (USGS quadrangle map, or appropriately drafted equivalent map),
showing the facility's location in relation to transportation routes and surface waters, and the
name of the receiving water(s) to which the stormwater outfall(s) discharges. If the discharge is to
a municipal separate storm sewer system, the name of the municipality and the ultimate
receiving waters, and accurate latitude and longitude of the point(s) of discharge must be shown.
(2) A narrative description of storage practices, loading and unloading activities, outdoor process
areas, dust or particulate generating or control processes, and waste disposal practices.
(3) A site map (or series of maps) drawn to scale with the distance legend indicating location of
industrial activities (including storage of materials, disposal areas, process areas, and loading
and unloading areas), drainage structures, drainage areas for each outfall and activities
occurring in the drainage area, building locations and impervious surfaces, the percentage of
each drainage area that is impervious. For each outfall, a narrative description of the potential
pollutants which could be expected to be present in the regulated stormwater discharge.
(4) A list of significant spills or leaks of pollutants that have occurred at the facility during the 3
previous years and any corrective actions taken to mitigate spill impacts.
(5) Certification that the stormwater outfalls have been evaluated for the presence of non-stormwater
discharges. The certification statement will be signed in accordance with the requirements found
in Part II. B. 11.
b. Stormwater Management Plan: The stormwater management plan shall contain a narrative
description of the materials management practices employed which control or minimize the
exposure of significant materials to stormwater, including structural and non-structural
measures. The stormwater management plan, at a minimum, shall incorporate the following:
(1) A study addressing the technical and economic feasibility of changing the methods of operations
and/or storage practices to eliminate or reduce exposure of materials and processes to
stormwater. Wherever practicable the permittee should consider covering storage areas, material
handling operations, manufacturing or fueling operations to prevent materials exposure to
stormwater. In areas where elimination of exposure is not practicable, the stormwater
management plan shall document the feasibility of diverting the stormwater runoff away from
areas of potential contamination.
(2) A schedule to provide secondary containment for bulk storage of liquid materials, storage of
Section 313 of Title III of the Superfund Amendments and Reauthorization Act (SARA) water
priority chemicals, or storage of hazardous materials to prevent leaks and spills from
contaminating stormwater runoff. If the secondary containment devices are connected directly to
stormwater conveyance systems, the connection shall be controlled by manually activated valves
or other similar devices [which shall be secured with a locking mechanism] and any stormwater
that accumulates in the containment area shall be at a minimum visually observed prior to
release of the accumulated stormwater. Accumulated stormwater shall be released if found to be
uncontaminated. Records documenting the individual making the observation, the description of
the accumulated stormwater and the date and time of the release shall be kept for a period of five
years.
(3) A narrative description of Best Management Practices (BMPs) to be considered such as, but not
limited to, oil and grease separation, debris control, vegetative filter strips, infiltration and
stormwater detention or retention, where necessary. The need for structural BMPs shall be based
on the assessment of potential of sources contributing significant quantities of pollutants to
stormwater discharges and data collected through monitoring of stormwater discharges.
(4) Inspection schedules of stormwater conveyances and controls and measures to be taken to limit
or prevent erosion associated with the stormwater systems.

Permit NC0086169
c. Spill Prevention and Response Plan: The Spill Prevention and Response Plan shall incorporate a
risk assessment of potential pollutant sources based on a materials inventory of the facility.
Facility personnel (or team) responsible for implementing the plan shall be identified in the
plan. A responsible person shall be on -site at all times during facility operations that have the
potential to contaminate stormwater runoff through spills or exposure of materials associated
with the facility operations.
d. Preventative Maintenance and Good Housekeeping Program: A preventative maintenance
program shall be developed. The program shall document schedules of inspections and
maintenance activities of stormwater control systems, plant equipment and systems.
Inspection of material handling areas and regular cleaning schedules of these areas shall be
incorporated into the program.
e. Training schedules shall be developed and training provided at a minimum on an annual basis
on proper spill response and cleanup procedures and preventative maintenance activities for all
personnel involved in any of the facility's operations that have the potential to contaminate
stormwater runoff. Facility personnel (or team) responsible for implementing the training shall
be identified in the plan.
f. The Stormwater Pollution Prevention Plan shall identify a specific position(s) responsible for the
overall coordination, development, implementation, and revision to the Plan. Responsibilities
for all components of the Plan shall be documented and position(s) assignments provided.
Plan Amendment: The permittee shall amend the Plan whenever there is a change in design,
construction, operation, or maintenance which has a significant effect on the potential for the
discharge of pollutants via a point source to surface waters. The Stormwater Pollution
Prevention Plan shall be reviewed and updated on an annual basis.
g.
The Director may notify the permittee when the Plan does not meet one or more of the
minimum requirements of the permit. Within 30 days of such notice, the permittee shall
submit a time schedule to the Director for modifying the Plan to meet minimum requirements.
The permittee shall provide certification in writing (in accordance with Part II. B.11.) to the
Director that the changes have been made.
h. Facility Inspections: Inspections of the facility and all stormwater systems shall occur at a
minimum on a semiannual schedule, once in the fall (September - November) and once during
the spring (April - June). The inspection and any subsequent maintenance activities performed
shall be documented, recording date and time of inspection, individual(s) making the inspection
and a narrative description of the facility's stormwater control systems, plant equipment and
systems. Records of these inspections shall be incorporated into the Stormwater Pollution
Prevention Plan.
Visual monitoring as required in Part II. A. 2. shall be performed in addition to facility
inspections.
i. Implementation: Implementation of the Plan shall include documentation of all monitoring,
measurements, inspections, maintenance activities and training provided to employees,
including the log of the sampling data. Activities taken to implement BMPs associated with the
industrial activities (including vehicle maintenance activities) must also be recorded. All
required documentation shall be kept on -site for a period of five years and made available to
the Director or his authorized representative immediately upon request.
2. Visual Monitoring
Visual monitoring requires a qualitative visual inspection of each stormwater outfall, regardless
of representative outfall status, for the purpose of evaluating the effectiveness of the
Stormwater Pollution Prevention Plan and assessing new sources of stormwater pollution. No
analytical tests are required. Visual monitoring of stormwater outfalls does not need to be
performed during a representative storm event.

Permit NC0086169
Frequency'
Monitoring
Type2
Monitoring
Location3
Stormwater Discharge Characteristics
Color
Semi-annual
Visual
SDO
Odor
Semi-annual
Observation
SDO
Clarity
Semi-annual
Visual
SDO
Floating Solids
Semi-annual
Visual
SDO
Suspended Solids
Semi-annual
Visual
SDO
Foam
Semi-annual
Visual
SDO
Oil Sheen
Semi-annual
Visual
SDO
Other obvious indicators of
stormwater pollution
Semi-annual
Visual
SDO
1
2
3
Frequency: The first visual monitoring event during the term of the permit must be
performed during the initial analytical monitoring event. All subsequent visual
monitoring will be performed twice per year, once in the spring and once in the fall.
Monitoring Type: Monitoring requires a qualitative observation of each stormwater outfall.
No analytical testing or sampling is required.
Sample Location: Stormwater Discharge Outfall (SDO - effluent at outfalls 001 and 002).
A(9). Stormwater Definitions
1. Best Management Practices (BMPs)
Schedules of activities, prohibitions of practices, maintenance procedures, and other
management practices to prevent or reduce the pollution of waters of the United States. BMPs
also include treatment requirements, operation procedures, and practices to control plant site
runoff, spillage or leaks, sludge or waste disposal, or drainage from raw material storage.
2. Bulk Storage of Liquid Products
Liquid raw materials, manufactured products, waste materials or by-products with a single
above ground storage container having a capacity of greater than 660 gallons or with multiple
above ground storage containers having a total storage capacity of greater than 1,320 gallons.
3. Point Source Discharge
Any discernible, confined and discrete conveyance, including but specifically not limited to, any
pipe, ditch, channel, tunnel, conduit, well, discrete fissure, container, rolling stock, or
concentrated animal feeding operation from which pollutants are or may be discharged to
waters of the state.
4. Runoff Coefficient
The fraction of total rainfall that is not infiltrated into or otherwise retained by the soil,
concrete, asphalt or other surface upon which it falls that will appear at the conveyance as
runoff.
5. Secondary Containment
Spill containment for the contents of the single largest tank within the containment structure
plus sufficient freeboard to allow for the 25-year, 24-hour storm event.
6. Section 313 Water Priority Chemical
A chemical or chemical category which:
a. Is listed in 40 CFR 372.65 pursuant to Section 313 of Title III of the Superfund
Amendments and Reauthorization Act (SARA) of 1986, also titled the Emergency
Planning and Community Right -to -Know Act of 1986;

Permit NC0086169
b. Is present at or above threshold levels at a facility subject to SARA title III, Section 313
reporting requirements; and
c. That meet at least one of the following criteria:
(1) Is listed in Appendix D of 40 CFR part 122 on either Table II (organic priority
pollutants), Table III (certain metals, cyanides, and phenols) or Table IV (certain
toxic pollutants and hazardous substances);
(2) Is listed as a hazardous substance pursuant to section 311(b)(2)(A) of the CWA
at 40 CFR 116.4; or
(3) Is a pollutant for which EPA has published acute or chronic water quality
criteria.
7. Significant Materials
Includes, but is not limited to: raw materials; fuels; materials such as solvents, detergents, and
plastic pellets; finished materials such as metallic products; raw materials used in food
processing or production; hazardous substances designated under section 101(14) of CERCLA;
any chemical the facility is required to report pursuant to section 313 of Title III of SARA;
fertilizers; pesticides; and waste products such as ashes, slag and sludge that have the
potential to be released with stormwater discharges.
8. Significant Spills
Includes, but is not limited to: releases of oil or hazardous substances in excess of reportable
quantities under section 311 of the Clean Water Act (Ref: 40 CFR 110.10 and CFR 117.21) or
section 102 of CERCLA (Ref: 40 CFR 302.4).
9. Stormwater Runoff
The flow of water which results from precipitation and which occurs immediately following
rainfall or as a result of snowmelt.
10. Total Flow
The flow corresponding to the time period over which the sample collection occurs. The total
flow calculated based on the size of the area draining to the outfall, the amount of the built -
upon (impervious) surfaces within the drainage area, and the total amount of rainfall occurring
during the sampling period.
11. Visible Sedimentation
Solid particulate matter, both mineral and organic, that has been or is being transported by
water, air, gravity, or ice from its site of origin which can be seen with the unaided eye.

file:///Untitlec
"Manuel, Blake D" wrote:
Mark
Per our recent telecon, you asked me to send you an email explaining why Corning Inc. is proposing to
install a diffusion structure in the Rocky River for the NPDES discharge from our Concord plant.
Our desire in installing a diffusion structure is to provide an additional safety factor regarding any
potential impact from our discharge to the receiving stream. While we understand that stream standards
and action levels were considered in evaluating our application and issuing our permit, we believe that a
diffusion structure will provide an even greater protection to the receiving stream by reducing the length
of stream required to attain full mixing of the discharge. It is not our intent to request or justify any
modifications to our NPDES permit as a result of the installation/operation of the diffusion structure.
We intend to use the CoreMix model to evaluate diffusion structure alternatives and select the most
appropriate structure for our discharge and this stream.
I appreciate your consideration of this request, and ask if you could send me kreply to these questions:
?WAX. 111%.4- COAter ML (bQ$tr. I � j.e4i) - ' 4- 41.4 ♦. )k es 7"f 4,
1. Does your agency have any objections to the installation of this diffusion structure? We realize that
this installation will require coordination with other governmental agencies such as the Corp of ,J,. 4e.
Engineers. kec.
2. Does your agency have any suggestion for alternates to the use of the CoreMix model at this site? sole
ram,..-J)
3. Is there any additional information you need to be able to anwer these questions or during the design
and installation of the structure?
Please give me a call or email if you have any questions.
Thanks
Blake D. Manuel, P.E.
Corning Inc.
HP-ME-03
Corning, NY 14831
[e-mail]
607-974-6204
Mark D. McIntire
Environmental Engineer
NPDES Unit - Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-1617
[phone], extension 553
mailto:[e-mail]
LA- Mc..
P(v�5
1 of 2 04/19/2000 2:55 PM

file:///Untitlea
"Hannan, Christy L" wrote:
Mark/Christy
I'm sorry we've taken so long to get back to you on this. I appreciate your willingness to consider
phasing in the 1% toxicity concentration.
Based on our construction and start-up schedule, we do not plan to exceed the current permitted flow of
27,400 gallons per day until the 2nd Quarter of 2001. Therefore, we request to maintain our current
effluent concentration of 0.31 % for toxicity testing until March 2001. At that time, we would have
increased our flow above 27,400 and would begin toxicity testing at the 1% effluent concentration as
presented in the draft permit.
Please let me know if this is feasible and if you need further information.
Thank -you!
>
> From: Mark Mcintire[SMTP:[e-mail]]
> Sent: Monday, January 24, 2000 4:31 PM
> To: Hannan, Christy L
> Subject: Re: draft permit...
>
> Christy,
>
> Thanks for the note. I was out sick last week and am trying to get caught up. At one point you had
expressed some concern that the modified permit implemented new requirements for the expansion and
that you wouldn't be operating under the
> new scenario for some time. I guess the easiest way to phase in the new requirements would be to
include a schedule based on dates. Do you have a feel for when it would be appropriate to phase in the
new requirements?
>
> Thanks,
> Mark
>
> "Hannan, Christy L" wrote:
>
» > Mark/Christy
» > Thought I check to see if things were still going well and the status of our permit. Hope the weather
hasn't caused you any trouble this weekend!
» >
> » > From: Mark Mcintire[SMTP:[e-mail]]
> > > Sent: Tuesday, November 23, 1999 2:53 PM
> > > To: Hannan, Christy L
> » > Subject: Re: draft permit...
» >
1 of 3 02/18/2000 9:10 AM

file:///Untitled
> > > The pollutant condition will only be required with the permit renewal. As for the test percentage
for toxicity, we've traditionally stayed away from phasing toxicity testing based on actual flow because
of the compliance headaches that
> > > could arrise. I'll check on it again, but for now just assume that you'll be required to test at 1.0%.
» >
> > > The permit will be faxed to the newspaper either today or tomorrow (Concord Tribune). The
notice should be published on or before next Wednesday. If all goes well, and don't see why it wouldn't,
the permit will issue on January 17,
> » > 2000.
» >
> > > "Hannan, Christy L" wrote:
»>
> > > > I've reviewed the draft permit and only have a few questions.
» »
> > > > It will be a while before we reach the full monthly average flow. Will we be required to do
toxicity testing at 1.0% vs 0.31 % at our current flows when we receive the permit? Is it possible to
phase in the 1.0% requirement?
» »
> > > > The Pollutant Analysis will only be required prior to permit renewal. Correct? Not
annually.
» »
> > > > Thanks again for proceeding so fast on this. Let me know if I can be of any further assistance.
» »
»»>
> > > > > From: Mark Mcintire[SMTP:[e-mail]]
> > > > > Sent: Monday, November 22, 1999 2:38 PM
> > > > > To: [e-mail]
> > > > > Subject: draft permit...
»»>
> > > > > Have you had a chance to review the draft? I got Mike Parker's comments
> > > > > (he had none). So I'm ready to go to public notice. For us to meet the
> > > > > December 1 publish date, I have to have it to the newspaper tomorrow.
»»>
»»>--
> > > > > Mark D. McIntire
> > > > > Environmental Engineer
> > > > > NPDES Unit - Division of Water Quality
> > > > > 1617 Mail Service Center
> > > > > Raleigh, NC 27699-1617
> > > > > [phone], extension 553
> > > > > mailto:[e-mail]
»»>
»»>
» >
»>--
> > > Mark D. McIntire
> > > Environmental Engineer
> > > NPDES Unit - Division of Water Quality
> » > 1617 Mail Service Center>
> » > Raleigh, NC 27699-1617
2 of 3
02/18/2000 9:10 AM

DENR/DWQ
FACT SHEET FOR NPDES PERMIT DEVELOPMENT
NPDES No. NC0086169
Facility Information
Applicant/Facility Name:
Corning, Incorporated — Midland Facility
Applicant Address:
P.O. Box 1700, Concord, NC 28026-1700
Facility Address:
14556 Highway 601 South
Permitted Flow
0.107 MGD
Type of Waste:
100% Industrial
Facility/Permit Status:
Renewal with expansion
County:
Cabarrus
Miscellaneous
Receiving Stream:
UT Muddy Creek
(001), UT Clear
Creek (002),
Rocky River (003)
Regional Office:
Mooresville
Stream Classification:
C
USGS Topo Quad:
G 16NE/G 17NW
303(d) Listed?:
No
Permit Writer:
Mark McIntire
Subbasin:
03-07-12
Date:
November 10, 1999
Drainage Area (mi2):
NA
Summer 7Q10 (cfs)
30.�
Winter 7Q10 (cfs):
NA
Average Flow (cfs):
NA
IWC (%) 1.8/4.0 MGD:
1.0
Primary SIC Code:
3229
SUMMARY OF FACILITY AND WASTELOAD ALLOCATION
Corning, Incorporated manufactures optical fibers at its Midland facility in Cabarrus County. The facility
received its initial NPDES permit in 1998. Startup began late that year. The facility submitted its renewal
application in April of 1999. In October, a request for permit modification (namely an expansion) was
received. The expansion request has been incorporated into the permit renewal. The expansion request will
entail an increase in the permitted flow from outfall 003. The previous flow was 0.0274 MGD. The expanded
Flow will be 0.107 MGD.
There are no effluent guidelines applicable to this industrial process. As such, BPJ limitations were developed
and continue to be appropriate. All sanitary wastewater is discharged to the Muddy Creek Wastewater
Treatment Plant. A summary of outfalls is provided below.
• Outfall 001 — Discharge from a stormwater detention pond to an unnamed tributary of Muddy Creek;
• Outfall 002 — Discharge from a stormwater detention pond to an unnamed tributary of Clear Creek (this
discharge includes stormwater and humidification boiler blowdown);
• Outfall 003 — Discharge from the wastewater treatment system to the Rocky River (this discharge includes
process wastewater, non -contact cooling water, and carbon filter backwash).
The attached draft permit includes stormwater requirements as well. As such, and because outfall 001 is
strictly stormwater, there is no effluent limitations page for this outfall. Part 11 of the permit addresses
stormwater discharges and applicable monitoring requirements.
Non -contact cooling water enters the 003 effluent line after the wastewater treatment facility. Under the
expanded scenario, approximately 100,000 gallons per day (gpd) of non -contact cooling water will enter the
outfall prior to discharge. The compliance point for flow in outfall 003 is upstream of the point at which non -
contact cooling water is introduced. The toxicity testing condition has been established using an IWC
calculation determined using the entire anticipated flow from outfall 003 (about 205,000 gpd).
Corning Pact. Sheet
NPDES Renewal
Rage 1

The primary parameter of concern from outfall 003 is chloride. The facility appears to be well below the
allowable chloride concentration of 21,850 mg/L. Average effluent concentrations are usually in the 2,000
mg/L range.
TOXICITY TESTING:
Current Requirement:
Proposed Requirement:
Chronic P/F @ 0.31% at 0.0274 MGD using Ceriodaphnia
Chronic P/F @ 1.0% at 0.107 MGD using Ceriodaphnia
The above IWCs were calculated using a flow equal to the sum of the permitted flow at outfall 003 and the
non -contact cooling water contribution.
This facility has passed all toxicity tests since startup.
COMPLIANCE SUMMARY:
As discussed in the summary section of this report, this facility is currently under an SOC for BOD and TSS.
Construction has been completed on a new system to solve the problem. This system is still in the startup
mode. The SOC requires compliance with final permit limits by April of 2000. The facility appears to have
been in compliance with the limits established in the SOC since it was issued.
INSTREAM MONITORING:
A benthic macroinvertebrate study was required in the original permit. That permit required the facility to
complete a benthic survey during the summer of 1999. The study was completed in August and submitted to
the Division for review. Dave Lenat of the Environmental Sciences Branch reviewed the study and provided the
writer with comments. His conclusion was in agreement with the study results which indicated no biological
impact from this discharge. As the discharge will be expanding, the benthic survey requirement will be included
with this renewal. Expansion is not expected to be complete until late 2003. As such. the draft permit will
require a benthic study be completed during the summer of 2004. No other instream monitoring is required.
PROPOSED CHANGES:
Dutfall 003 Flon Limit: The flow limit at outfall 003 has been modified in accordance with the facility's
request.
IWC for Outfa11003 The IWC has been updated to reflect the increase in permitted flow at outfall 003. See
the Toxicity Testing portion of this report.
PROPOSED SCHEDULE FOR PERMIT ISSUANCE:
Draft Permit to Public Notice: December 1, 1999
Permit Scheduled to Issue: January 17, 2000
STATE CONTACT:
If you have any questions on any of the above information or on the attached permit, please contact Mark
McIntire at [phone] ext. 553.
REGIONAL OFFICE COMMENT:
c\.
NAME: DATE:
Gorning Fact Sheet
NPDES Renewal
Page 2

t61‘(S\
The Independent Tribune, Inc.
NORTH CAROLINA
CABARRUS COUNTY
PUBLIC NOTICE
STATE OF NORTH
CAROLINA
ENVIRONMENTAL
MANAGEMCOMMISSION / NPDES
UNIT
1617
Mall Service Center
Raleigh, NC 2766699-1617
Notification of Intent to Issue
A
NPDES
Wastewater permit
On the basis of thorough staff
r e evera and application of NC
Public taw 92-500e -d43. er.
and other
lawfultionsstandards and
regulaCarolina the North
Environmental
Management
Commission
proposes to issue a National
Pollutant Discharge
Elimination System (NPDES)
Wastewater discharge permit
to the person(s) listed on the
attached pages effective 45
days from the
the publish date o1 this notice.
Written comments regarding
the proposed permit will be
accepted until 30 days after
the pubfished date of this
notice. Allcomments received prior to that date are j considered in the final
determinations regarding the r
proposed permit should the
Division receive a significant degree of public interest, r
Copies of the draft
other supportin info ermit and
on file used tomefine
determine r
conditions present in the draft
permit are available upon
request and payment of the
costs of reproduction. Marl
comments and / or requests r
for information to the NC
Division of Water Quality at f
the above address or call Ms.
Christie Jackson of (919)
733.5083. extension 538. 1
Please include the NPDES
permit number (attached) in
any comma
trte ted myaa
persons may also lso (
l
On this, the %\k--k-N day ofbSIO_ 19°___
\r
of THE INDEPENDENT TRIBUNE, Inc., after being duly
sworn, says that the annexed advertisement was duly
inserted in the paper on the following dates:
11-3i��c1
and was published therein once a week for i
weeks. The tat cost of this advertisement $ �\---1- . 1 —1
Subscribed and sworn to the day above first mentioned.
My Commission Expires
r V
visit the Division of Water
Quality at 512 N. Salisbury
Street, Raleigh, NC 27604-
1148 between the hours of
8:00am and 5:00pm to review
information on file.
NPDES Permit Number
NC0086169, Corning, Inc. -
Fiber Optic Plant, P.O. Box
1700, Concord, NC 28026
has applied for a permit
renewal foa facility locatsJ
in CabarrUs County
discharging treated
Wastewater into Rocky River
in the Yadkin -Pee Dee River
Basin. Currently no
parameters are water quality
limited. This discharge may
affect future allocations in this
portion of the receiving
stream.
Legal Number 817
November 30, 1999
DEC - 9 'r,,�
DENR - WATER QUALITY
POHT SOU tCE BRANCH
Gf
ct`1

Re: Com ng...Again!
Subject: Re: Corning...Again!
Date: Mon, 22 Nov 1999 13:46:56 -0500
From: Michael Parker <[e-mail]>
Organization: NC DENR - Mooresville Regional Office
To: Mark Mcintire <[e-mail]>
Mark, I have looked over your draft and everything looks OK with me. I have no
problem with issuance of the modification as is.
Mark Mcintire wrote:
> Mike,
> Ok, I drafted the Corning permit today with the expansion request. I
> talked it over with Dave and he didn't really have any heartburn. I am
> probably going to have them do a full -range toxicity test just so we
> know where, if at all, their effluent will exert toxicity. I am also
> going to have them do another benthic study when the expansion is
> complete. I've attached a copy of the draft permit and fact sheet to
> this e-mail. Let me know if you have any comments. I'm shooting for a
> public notice date of December 1, 1999.
> Thanks,
> Mark
> Mark D. McIntire
> Environmental Engineer
> NPDES Unit - Division of Water Quality
> 1617 Mail Service Center
> Raleigh, NC 27699-1617
> [phone], extension 553
> mailto:[e-mail]
> Name: Corning Permit text.doc
> Corning Permit text.doc Type: Winword File (application/msword)
> Encoding: base64
> Download Status: Not downloaded with message
> Name: 86169 effluent 002 1999.doc
> 86169 effluent 002 1999.doc Type: Winword File (application/msword)
> Encoding: base64
Download Status: Not downloaded with message
Name: 86169effluent_003 1999.doc
> 86169 effluent 003 1999.doc Type: Winword File (application/msword)
> Encoding: base64
> Download Status: Not downloaded with message
Name: fact sheet.doc
> fact sheet.doc Type: Winword File (application/msword)
> Encoding: base64
> Download Status: Not downloaded with message
Michael Parker - [e-mail]
Environmental Engineer II
North Carolina Dept. of Environment & Natural Resources
Division of Water Quality
919 N. Main Street
Mooresville, NC 28115
1 of2 11/22/1999 2:15 PM

Re: Review ,of Pennington survey, Rocky River
Subject: Re: Review of Pennington survey, Rocky River
Date: Thu, 04 Nov 1999 08:45:10 -0800
From: David Lenat <[e-mail]>
To: Mark Mcintire <[e-mail]>
Review of Pennington Survey, Rocky River, August 1999. Davifd R.Lenat, DWQ
1. I agree that (based on this survey), the discharge is not having much of an
impact on stream biota. It is also clear that poor water quality may mask
potential effects of the discharge. A few comments suggestions are listed
below.
2. Consultants should, when possible, compare to existing DWQ data. The
Biological monitoring group has taken several samples from this portion of the
Rocky River, getting a Good -Fair bioclassification. This is hgher than the
Poor and Fair classification assigned by Pennington and suggests some problems
with sampling. It is likely that the sampling design (staying inside the
plume) precluded sampling better habitat, and getting a higher diversity of
invertebrates. We would prefer more extensive upstream/downstream sampling,
including more habitat with high current velocity.
3. Some of the analyses are not approved by DWQ, or of limited use. The
contractor should look at the latest version of the Rapid Bioassessment
protocols to help with selection of "metrics". Diversity indices should not
be used, and many of the feeding group metrics are of little use. The
shredder metric is definitely of little utility in this system.
4. It would be very helpful if surveys included at least on site with a known
water quality rating. This would enable us to have more confdidence in the
data, or least help with corrections to the criteria. Since Pennington
usually stopped at about 200 taxa, he would expect lower taxa richness. This
may mean that the EPT taxa richness criteria (page 8), are being incorrectly
applied in this system.
5. The biotic index, as used here, measures all stress, not just organic
enrichment (page 11).
Mark Mcintire wrote:
> You can just send me an e-mail so I can print it off for the file. Thanks
> for taking the time to review the document.
> David Lenat wrote:
> > Hi Mark,
> > Trish passed on the Pennington survey to me for review. Do you need a
> > memo, Email, or just a phone conversation?
> > The conclusion that the discharge has no effect is correct. The
> > rating assigned to that segment of the Rocky River, however, is suspect
> > due to the sampling strategy. We can make a few comments to improve
> > future sampling and data anlalysis by this group.
> > Dave
> >
> >
> > Note New Address:
> > David R Lenat
> > North Carolina DENR, Division of Water Quality
> > 1621 Mail Service Center
> > Raleigh NC 27699-1621
> > Phone: [phone]
> > Email: [e-mail]
> Mark D. McIntire
> Environmental Engineer
> NPDES Unit - Division of Water Quality
> 1617 Mail Service Center
1 of 2 11 /08/ 1999 12:46 PA

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
November 3, 1999
Ms. Christy L. Hannan
Corning, Inc. / Concord Plant
P.O. Box 1700
Concord, North Carolina 28026-1700
ACVA
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: NPDES Permit Modification request
Permit NC0086169
Fiber Optic Waveguide Manufacturing Plant
Cabarrus County
Dear Ms. Hannan:
The Division received the permit modification request and your check (# 2192) for $215.00
on October 28, 1999. Thank you for submitting this package.
I am returning the check you submitted with the permit application. As your facility
currently has a renewal request in-house, it is not necessary for you to submit a fee for this
modification request. The modification request and the permit renewal will be handled
simultaneously.
The permit application will be assigned to Mark McIntire of the NPDES Unit staff. Please
be aware that the NPDES Unit currently has been in a severe staff shortage since March 1999.
Mr. McIntire, like all our other remaining permit writers, is carrying an extremely heavy workload.
We appreciate your patience and understanding while we operate with a severely depleted staff. If
you have any additional questions concerning the subject permit application, please contact Mr.
McIntire at [phone], extension 553.
Sincerely,
Charles H. Weaver, Jr.
NPDES Unit
cc: Central Files
Mooresville Regional Office / Water Quality Section
NPDES File*
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 919 733-5083, extension 511 (fax) 919 733-0719
VISIT US ON THE INTERNET @ http://h2o.enr.state.nc.us/NPDES
[e-mail]

Corning Incorporated
Telecommunications Products Division
P.O. Box 1700
Concord, North Carolina 28026-171111
-'0-+-569-6(100
October 2.5, 1999
)
271
tlFwg - WATER QUALITY
n,►erH
Mr. Dave Goodrich
NC Dept. of Environment, Health & Natural Resources
Division of Water Quality
Archdale Building (9th Floor)
512 North Salisbury Street
Raleigh, North Carolina 27604
Dear Mr. Goodrich:
CORNING
Corning, Inc. is proposing to expand the Fiber Optic Waveguide Manufacturing Plant in
the southern part of Cabarrus County. Enclosed are three copies of Proprietary
information for Item 14 of the National Pollutant Discharge Elimination System
(NPDES) Application for Permit to Discharge Wastewater for the Corning Concord
Plant, Midland, North Carolina. This information is confidential and we appreciate your
assistance in this.
Please feel free to contact me if you have any questions concerning the enclosed
information. I can be reached at phone number [phone].
Sincerely,
Christy L.
annan
Environmental Control Engineer
Corning, Inc.
Concord Plant
Enclosures: 3

Corning Incorporated - Concord Facility
NPDES Application to Discharge Wastewater - Standard Form C, Section II, Item 14 (p.5)
Raw Matierial Ib/hr Inputs to Process (SIC 3229)
Air Permit
#8436R01
Source ID Dopant CH4
�Existirig Sources
ES-C-001
ES-C-002
ES-C-003
Proposed New Sources
ES-C-005
ES-C-006
ES-C-007
dotal
661.00
111.36
148.74
02
408.48
Lathe 02
Cl2
SiCI4 &/or
GeCI4
20,808
1,061.28 42,656.00
190.08
665.17
25.82
244.72
660.18
51,972.58
409.50
152.28
1,069.08
83,156.85
31.36
1,326.17 657.10
3,199.02
198,593.43 57.18
599.58
10/06/99

Corning Incorporated - Concord Facility
NPDES Application to Discharge Wastewater - Standard Form C, Section II, Item 14 (p.5)
Raw Matierial Ib/hr Inputs to Process (SIC 3229)
Air Permit
#8436R01
Source ID Dopant
Existing Sources
CH4
02
Lathe 02
Cl2
SiCI4 &/or
GeCI4
ES-C-001
ES-C-002
ES-C-003
661.00
Proposed New Sources
ES-C-005
ES-C-006
ES-C-007
111.36
148.74
408.48
1,061.28
•
20,808
42,656.00
25.82
190.08
665.17
244.72
152.28
660.18
1,069.08
51,972.58
83,156.85
31.36
409.50
rLotal 1,326.17
657.10
3,199.02 1 198,593.43 I 57.18 1 599.58
10/06/99

Corning Incorporated - Concord Facility
NPDES Application to Discharge Wastewater - Standard Form C, Section II, Item 14 (p.5)
Raw Matierial Ib/hr Inputs to Process (SIC 3229)
Air Permit
#8436R01
Source ID Dopant
Existing Sources
ES-C-001
ES-C-002
ES-C-003
661.00
Proposed New Sources
ES-C-005
ES-C-006
ES-C-007
[otaI
CH4
111.36
148.74
244.72
152.28
408.48
660.18
1,069.08
20,808
42,656.00
51,972.58
83,156.85
SiCI4 &/or
GeCI4
190.08
3,199.02 1 198,593.43 57.18 599.58
10/06/99

PROPOSED MODIFICATION TO OUTFALL DSN002
The information listed below for DSN002 consists of the only changes proposed to the existing
outfall DSN002. There are no modifications being proposed for DSN001.
The humidification boiler blowdown discharge flow rate to the South Stormwater Management
Pond will increase from 960 gal/day to 3, 456 gal/day (maximum daily and average daily).
Estimates on all other characteristics of the non -process effluent have not changed from those in
the original application.
The stormwater drainage area for outfall DSN002 will increase from 28.8 acres to 31.45 acres
(total) and from 6.6 acres to 13.0 acres (impervious surfaces). The new peak flow estimated for a
50 year storm is 76.9 cubic feet per second. The South Detention Basin will be slightly modified
to handle the additional stormwater runoff. See Attachment C for the South Detention Basin
Layout Plan for the proposed modifications. Estimates on all other characteristics of the
stormwater runoff have not changed from those in the original application.

!I!
/-•
REF: U.S.C.S. 7.5 MINUTE TOPOGRAPHIC MAP Of MOUND. 11C CRIAORANGLE: DATED 1993.
11.5.G.S. 7.5 MINUTE TOPOGRAPHIC MAP OF STANFIELD. NC 01.61DRANG1E: DATED 1971 PHOTOREVISED 1987.
U.S.G.S. 7.3 MINUTE TOPOGRAPHIC MAP Of CONCORD SE.IC OUADRANCI.E: WED 1969 PnorosEnso 1997.
U.S.G.S. 7.5 MINUTE TOPOGRAPHIC MAP Of LOCUST. NC OUN3RANCLE: DATED 1960 PHOTOREVISED 1903.
— —
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REFERENCE DWG. NO.
DESCRIPTION
17201-
17201- -
17201- -
17201-
17201- -
17201- -
PRELIMINARY
NOT FOR CONSTRUCTION
RELEASED FOR PERMITTING
PURPOSES ONLY
Irmo N . B Deis -
CORNING
CORNING INCORPORATED
TELECOMMUNICATIONS PRODUCTS DIVISION
PROPRIETARY
B
RELEASED FDR PERMITTING ONLY
RELEASED FOR PERMITTING ONLY
REVISION DESCRIPTION
• - fro BN-71-99
BY/DATE CR.: DATE PPPV•O/DATE
Raytheon
NatOPMien
Engineers &
Constructors
DESIGN BY:
SIGNATURE
DRAWN 0•;
CHECKED 0Y.
APPROVED BY:
DATE
SUBMITTED BY:
DRAWING TITLE
SITE/YARD
MASTER DRAINAGE
PLAN
CONCORD PROJECT
CONCORD. N.C.
DATE !SCALE 1,150•
NUMBER 17201-SK076-Y1032-B
CAD FILE NO. .I.0764.dg.•

PLANT NORTH
1
PROPERTY LINE
�t
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DSN-09I•u.
DIAINICE
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STORM WATER
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/7,1
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1 ,lit
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/,7
REFERENCE OWG. NO.
DESCRIPTION
17201-
17201- -
17201-
17201- -
17201- -
17201-
m
S PENr TRAP ,
141,1.
A' S••"
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NEw PAVED ROAD
GRAVEL ROAD
NEW CONCRETE
DRAINAGE AREA BOUNDARY
PROPERTY LINE
PRELIMINARY
NOT FOR CONSTRUCTION
RELEASED FOR PERMITTING
PURPOSES OILY
Isms No. B Date
CORNING
CORNING INCORPORATED
TELECOMMUNICATIONS PRODUCTS DIVISION
PROPRIETARY
RELEASED FOR PERMITTING ONLY
RELEASED FOR PERMITTING ONLY
REVISION
DESCRIPTION
BY/DATE
CMC'DATE
APPV'D/DATE
-aytheon
Engineers &
Constructors
DES1IY1 ST,
SIGNATURE
DRAMN Br:
CHECKED Ars
APPROVED BY,
GATE
SUBMIT rED BY,
DATE 1SCALE
CAD FILE NO. SK077YAGN
DRAWING TITLE
SITE DRAINAGE PLAN
CONCORD PROJECT
CONCORD, N.C.
DRAWING
NUMBER 17201-SK077-Y1032 -B
n.t 6 4c-.>rs...• • ..o.-Ear:..t...• ..ctt V.:.;.stcFYrs,.... ....-see,...•...

ATTACHMENT C
SOUTH DETENTION BASIN LAYOUT PLAN

RANT NGR1H
E 18.800
E 11.080
1
AIM
Ft 6'F.B.DITCH 0
1.872 GRADE
V.P. F.FS.O
• N 2710.74
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514
r
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FG OUTLET STROCTSRE e
N 2765.86
E 10919.07
i •/ ., , �: ' rT832
. •
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•
1
REFERENCE OMG.NO.
DESCRIPTION
17201-
17201-
17201-
17201-
17201- -
17201-
1��
SLOPE = 0.502 GRACE
N 2998.15
E 10910.89
EL. 585.85
—N 2788.90
E 11018.25
EL.504.00
E1181135
I 5I1
:
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N 301459
E 10859.96
EL.585.28
N 3011.59 •
E 18968.85 -
EL.,58528
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N 331159
E 10991.19
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51s
-51+
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514 -
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GRAPHIC SCALE
1-
- -51s
NOTES
1. FOR GEIERAL IOTES.LEGEIO & A881iEVIATIdi6 REFERENCE
DWG.17201-S0053-Y1832.
2. SEE 0W4.1720I-SK084-Y1832 FOR DETAILS OF MODIFICATIONS
TO TIE RISER NO EMERGENCY SPILLWAY.
3 EXISTING SEDIIENT IS 10 REMINEO FROM THE Pp0
TO TIE ORIGINAL CONTOIEIS AS 9001 CR THIS
CRAVING. THE POO IS ALSO TO BE EILARGED AS SRGWN.
PREL IM WARY
NOT FOR CONSTRUCTION
MONO FOR PITAlIIIPG
ROUES NJ
Inn 11_ Ora
CORNING
CORNING INCORPORATED
TELECOMMUNICATIONS PRODUCTS DIVISION
PROPRIETARY
RELEASED FOR PERMITTING
REVISION
DESCRIPTION
BY/DATE
CI-IX/DATE
APPV'D/DATE
Raytheon
Rurt Melon
BB .pre.n, Alabama
JF?Tn biersConstructors
a
DESIGN Br:
DRANN BY;
SIGNATURE
CHECKED BT1
APPROVED BY:
OATE
SUBMITTED Fri
DATE
CAO FILE NO-
f CALE 1'=30'-0-
DRAWING TITLE
SITE/YARD
SOUTH DETENTION BASIN
LAYOUT PLAN
CONCORD PROJECT
CONCORD, N.C.
DRAWI
NUMBER 17201-SK083-Y1032-A
.."1,1 i...ilv.C.... . 1,C,E.i Inc......Cx3ILIn,ILE._.EE1.1,,Sus.. u.eX...+E...

ATTACHMENT D
SCHEMATIC OF WATER FLOW

CITY WATER
•
FIRE WATER FOR
EMERGENCY USES OILY
221.600 GAL.
POTABLE WATER
STORAGE TANK
■
POTABLE WATER
SYSTEM
SOLITARY SEVER
IEMIDIFICATION
BOILER
STEAM
MVAC CORING
TOYER
BLOYDOWN TO
ofv/— OUTFACE OSWB02
EVAPORATION
STOW WATER
F MAN
WATER
STORAGE TANI
REFERENCE ONO. NO.
DESCRIPTION
SYSO STt
ECVS COa1NG
TOWER
HCL $ CL2
SCRUBBER SYSTEMS
BLOV00YN
EVAPORATION
EVAPORATION
F
t
DERMAL m AGENT
MISCELLANEOUS
SCRUBBER SYSTEMS
r
TREASTE
ATMENT
SYSTEM
PROCESS WASTEWATER
TO OUTFALL 091803
COISOLIOATICN
SCRUBBER SYSTEMS
POLLUTION
ABATEMENT
AREA UTILITIES
B.OWOOWN
SPRAY COOLERS
STORM
SYSTEM
EVAPORgTION•
EVAPORATION'
EVAPORATION'
OUTFALL OSTEN
OUTFALL DSN002,
CORNING
CORNING INCORPORATED
TELECOI4 UNICATIONS PRODUCTS DIVISID
PROPRIETARY
B
n AIDED TEXT RELEASED FOR PERMIT
RELEASEO FOR PERNIT APPLICATION
SIGNNATURE
Engineers &
reae- �' .. tructoal8
Raytheon
OR+.C[ reKOAOI
DESIGN Sri
°Nam Sri
CNFOS:D BYN
NPPRO ETI E'h
- DATE
SLa4TTED 6TN
DRAWING TITLE
SCHEMATIC OF WATER
FLOW
CORNING INCORPORATED
CABARRUS COUNTY
CONCORD PROJECT
CONCORD, N.C.
DATE [SCALE NGE
INUMBBER17201-SK-104-GA -8
REVISION
DESCRIPTION
CISUDATE
APPWD/ORTF
CND FILE 110. SIgH.OGF

To: Permits and Engineering Unit
Water Quality Section
Attention: Mark McIntire
SOC PRIORITY PROJECT: No
Date: June 4, 1999
NPDES STAFF REPORT AND RECOMMENDATIONS
County: Cabarrus
NPDES Permit No.: NC0086169
MRO No.: 99-69
PART I - GENERAL INFORMATION
-•
°
1. Facility and Address: Corning, Inc.
Post Office Box 1700
Concord, N.C. 28026-1700
2. Date of Investigation: May 14, 1999
3. Report Prepared By: Michael L. Parker, Environ. Engr. II
4. Person Contacted and Telephone Number: Christie Hannan, [phone].
5. Directions to Site: From the jct. of Hwy. 601 and Hwy. 24-27 in the Town of Midland in
southern Cabarrus County, travel south on Hwy. 601 2.65 miles. The Corning plant is
located on the right (west) side of Hwy. 601.
6. Discharge Point(s), List for all discharge Points: -
outfall 001 outfall 002 outfall 003
Latitude: 35° 13' 02" Latitude: 35° 12' 34" Latitude: 35° 12' 30"
Longitude: 80° 31' 15" Longitude: 80° 31' 31" Longitude: 80° 29' 49"
Attach a USGS Map Extract and indicate treatment plant site and discharge point on map.
USGS Quad No.: G 16 NE
7. Site size and expansion area consistent with application: Yes. There is sufficient area
available for the construction of any additional treatment units, if necessary.
8. Topography (relationship to flood plain included): Relatively flat, 2-4% slopes. The plant
site is not located in a flood plain.
9. Location of Nearest Dwelling: Approx. 500+ feet from the WWTP site.

t.
Page Two
10. Receiving Stream or Affected Surface Waters: U.T. to Muddy Creek (outfall 001), U.T.
to Clear Creek (outfall 002), Rocky River (outfall 003).
a. Classification: C (for all outfalls)
b. River Basin and Subbasin No.: Yadkin 030712
c. Describe receiving stream features and pertinent downstream uses: Little, if any
flow noted at the discharge locations for outfalls 001 and 002 (dry ditch).
Excellent flow observed in the Rocky River at discharge outfall 003.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of Wastewater: 0.269 MGD (outfalls 001 & 002)
0.036 MGD (outfall 003)
b. What is the current permitted capacity: N/A
c. Actual treatment capacity of current facility (current design capacity): N/A
d. Date(s) and construction activities allowed by previous ATCs issued in the
previous two years: N/A
e. Description of existing or substantially constructed WWT facilities: The existing
WWT facilities consist of pH adjustment and flocculation
f. Description of proposed WWT facilities: There are no WWT facilities proposed at
this time.
g•
Possible toxic impacts to surface waters: A biocide is added to the waste stream at
outfall 003 (Spectrus OX 107). Chlorides are also present in the waste stream at
outfall 003.
2. Residual handling and utilization/disposal scheme: Residuals disposal, if necessary, will
be accomplished by placing the residuals (after neutralization) in metal containers and
transporting them as non -hazardous waste to a private landfill.
3. Treatment Plant Classification: Class I (no change from previous rating)
4. SIC Code(s): 3229 Wastewater Code(s): 78 MTU Code(s): 510102
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grant Funds or are any public monies
involved (municipals only)? No
2. Special monitoring or limitations (including toxicity) requests: None pending receipt of
the WLA.

Page Three
3. Important SOC/JOC or Compliance Schedule dates: N/A
4. Alternative Analysis Evaluation
a. Spray Irrigation: Generally poor soils in the vicinity of the plant site. Insufficient
area available for the construction of a spray irrigation WWT system.
b. Connect to regional sewer system: Corning discharges all domestic wastewater
into the Water and Sewer Authority of Cabarrus County's Muddy Creek WWTP.
There is, however, insufficient capacity at the Muddy Creek WWTP to accept all
of Corning's waste streams.
c. Subsurface: Insufficient area, poor soils.
PART IV - EVALUATION AND RECOMMENDATIONS
Corning, Inc. requests the reissuance of an NPDES Permit for the discharge of both
process water and non -contact cooling water from a facility located southern Cabarrus County.
Although the facility was finished in 1998, production has not begun as of the date of this Staff
Report. According to Ms. Hannan, production is expected to begin on or about July 1999.
The process water discharge (outfall 003) contains the following sources of wastewater:
1. Blowdown from pollution abatement equipment.
2. Water softener from area floor drains.
3. Water softener blowdown.
4. Cooling tower blowdown.
5. Some stormwater.
The two (2) cooling water outfalls (001 & 002) leave the site only after passing through a
wet detention basin. During periods of infrequent rainfall these basins may hold little, if any
water. However, during wet -weather, these basins may hold substantial quantities of water (both
cooling water and stormwater). Therefore, the potential exists for a considerable amount of
dilution prior to discharge. Most of the site's stormwater has been channeled around the detention
basins, however, there will still be a considerable quantity that enters the basins either directly or
indirectly.
Pending receipt and approval of the WLA, it is recommended that an NPDES Permit be
reissued as requested.
raaz
Signature of Rep6rrPreparer Date
Water Quality Regional Superv'so
h:ldsrldsr991corning I .dsr
Date

Corning Incorporated
Telecommunications Products Division
P.O. Box 1700
Concord, North Carolina 28026-1700
704-569-6000
March 31, 1999
Mr. Dave Goodrich
NC Dept. of Environment, Health & Natural Resources
Division of Water Quality
Archdale Building (9th Floor)
512 North Salisbury Street
Raleigh, North Carolina 27604
Dear Mr. Goodrich:
CORNING
Corning, Inc. wishes to renew its National Pollutant Discharge Elimination System
Permit, No. NC0086169, for the Fiber Optic Waveguide Manufacturing Plant in the
southern part of Cabarrus County. Enclosed are three copies of the Proprietary
information to support the NPDES Application for Permit Renewal to Discharge
Wastewater for the Corning Concord Plant, Midland, North Carolina. This information is
confidential and we appreciate your assistance in this.
Please feel free to contact me if you have any questions concerning the enclosed
information. I can be reached at [phone].
Sincerely,
Christy Hannan
Environmental Control Engineer
Concord Plant
Corning, Inc.
Enclosures (3)

ORN1NG INC.
PROPRIETARY
Corning Incorporated - Concord Facility
NPDES Renewal to Discharge Wastewater - Short Form C, Item 6 (p.1)
Raw Matierial Inputs to Process
Air Permit
#08436R01
Source ID
ES-C-001
ES-C-002
ES-C-003
Total Ib/hr)
(Total (lb/day)
Dopant
661
CH4
111
149
02
Lathe 02
408
1,061
20,808
42,656
Cl2
SiCI4 &/or
GeCI4
25.82
190
Total (Ib/mth)
Total (Ib/yr)
661
15,864
482,530
5,790,360
260
6,242
6,503
2,278,476
1,470
35,274
36,744
12,875,098
63,464
1,523,136
1,586,600
555,944,640
25.8
620
671
190
4,562
138,758
226,183 1,665,101
CORNING INC.
PROPRIETARY

CORNING INC.
PROPRIETARY
Corning Incorporated - Concord Facility
NPDES Renewal to Discharge Wastewater - Short Form C, Item 6 (p.1)
Raw Matierial Inputs to Process
Air Permit
#08436R01
Source ID
Dopant
CH4
02
Lathe 02
Cl2
SiC14 &/or
GeCI4
ES-C-001
--
111
408
20,808
--
190
ES-C-002
661
149
1,061
42,656
--
__
ES-C-003
IT-4.-1 /II_ se_ _.t
--
.....
• --
AM. __
--
--
25.82
--
Total (lb/day)
Total (Ib/mth)
Total (Ib/yr)
15,864
482,530
5,790,360
6,242
6,503
2,278,476
35,274
36,744
12,875,098
63,464
1,523,136
1,586,600
555,944,640
25.8
620
190
4,562
671 I 138,758
226,183
CORNING INC,
PROPRIETARY
1,665,101

CORNING INC.
PROPRIETARY
Corning Incorporated - Concord Facility
NPDES Renewal to Discharge Wastewater - Short Form C, Item 6 (p.1)
Raw Matierial Inputs to Process
Air Permit
#08436R01
Source ID
Dopant
CH4
02
Lathe 02
Cl2
SiCI4 &/or
GeCI4
ES-C-001
--
111
408
20,808
--
190
ES-C-002
661
149
1,061
42,656
--
--
ES-C-003
--
• --
--
--
25.82
--
Total (Ib/hr 661
260 1 470 63 464 25.8 190
Total (lb/day)
15,864
6,242
35,274
1,523,136
620
4,562
Total (Ib/mth) 1 482,530
6,503
36,744
1,586,600
671 138,758
Total (Ib/yr)
5,790,360
2,278,476
12,875,098
555,944,640
226,183
1,665,101
CORNING INC.
PROPRIETARY
.Y

Sheet4
Corning, Inc.
Existing Concord Plant plus Expansion
Water Inflows
Item/user
Peak flow
(GPM)
Daily average flow
(GPM)
Peak flow
(GPD)
Daily Average
Flow (GPD)
Potable Water
592
23
40,000
33,120
Humidification Boiler
30
30
43,200
43,200
HVAC Cooling Tower (Note 1)
450
315
648,000
453,600
ECWS Cooling Tower (Note 2)
34
19
48,960
27,360
HCL & C12 Scrubbers
100
30
51,840
43,200
Chemical Reagent Systems
52.5
52.5
75,600
75,600
Miscellaneous Scrubber Systems
20
1.5
2,600
2,160
Consolidation Scrubber Systems
20
5.1
8,812
7,344
Pollution Abatement Area Utilities
20
0
4,800
0
Spray Coolers
46.46
46.46
66,902
66,902
Pump Seal Water
6
6
8,640
8,640
Water Softener Blowdown
70
1.5
4,320
2,160
Cooling Tower Filter Back Wash
50
1.4
4,032
' 2,016
Total
1490.96
531.46
1007706
765302
1
Water Outflows
Item/ User
Peak flow
(GPM)
Daily average flow
(GPM)
Peak flow
(GPD)
Daily Average
Flow (GPD)
Sanitary Sewer
592
23
40,000
33,120
Humidification Boiler- Steam
27.6
27.6
39744
39744
Humidification Boiler- Blowdown
2.4
2.4
3456
3456
HVAC Cooling Tower- Evaporation (Note 3)
360
252
518400
362880
HVAC Cooling Tower- Blow down (Note 4,5)
90
63
129600
90720
ECWS Cooling Tower- Evaporation (Note 3)
27
14
38880
20160
ECWS Cooling Tower- Blowdown (Note 4,5)
7
5
10080
7200
HCL & CL2 Scrubbers Evaporation
22.44
18.7
32312
26928
Waste Treatment System to Outfall DSN003(note 5)
83
74.2
119520
106848
Consolidation Scrubber Systems - Evaporation
6.12
5.1
8812
7344
Spray Cooler Evaporation
46.46
46.46
66902
66902
Total (Note 6)
1264.02
531.46
1007706
765302
Notes:
1) Peak flow based on 100% at full load, average is 70% at full load.
2) Based on 2200 recirculation flowrate.
3) Evaporation is 1% based on 10 Deg. F Delta T.
4) Blow down rate is based on 4 cycles of concentration
5) Total DSN003 is combined flow from waste treatment and blowdown from cooling towers
6) Total peak instantaneous outflows and inflows (gpm) are different due to system capacitance
i
Page 1

ATTACHMENT E
DESCRIPTION OF SITE DRAINAGE CONTROLS

•
ATTACHMENT E
DESCRIPTION OF SITE DRAINAGE CONTROLS
Introduction
The Coming Incorporated - Concord Facility currently operates one (1) NPDES outfall for process
wastewater discharges (DSN003) and two (2) NPDES outfalls for storm water and nonprocess
wastewater discharges (DSNO01 and DSN002). Also, there are currently three (3) exempt discharges
of storm water runoff from areas where no industrial activity occurs (e.g., parking lots).
A modification to the facility's current NPDES Permit is being applied for to modify the process and
non -process wastewater discharges from the facility via DSN003 (see Attachment A) and the
stormwater/non process wastewater discharges via DSN002 (see Attachment A) due to a proposed
expansion to the facility operations. There are no modifications proposed which would modify the
discharge and the associate drainage controls to DSNO01.
NPDES Permitted Outfalls
f 1 The NPDES outfall DSN002 discharging only storm water and non -process wastewaters currently
receives runoff from 28.8 acres, 6.6 acres being impervious. Post -modification, outfall DSN002 will
receive runoff from 31.45 acres, 13.0 acres being impervious (see Attachment B for an updated site
drainage map). The drainage area for DSN002 is the southern portion of the plant site. All storm
water runoff from this drainage area and noncontact boiler blowdown are collected in the' South
Stormwater Management Pond prior to discharge to Clear Creek via DSN002.
The NPDES outfall DSN003 currently discharges treated process wastewater and non -process
wastewaters to the Rocky River.
Storm Water Discharges Exempt From NPDES Permitting
Three (3) storm water discharges currently occur from areas free of industrial activity. These areas
are mainly parking lots and yard.
On the northeastern portion of the plant site, storm water from the exempt areas is collected in a small
detention basin located just east of the North Sedimentation Pond. On the northwestern portions of
the plant site, storm water from the exempt areas flows to a diversion ditch running northeast just
along the outside of the west boundary of the DSNO01 drainage area depicted in Attachment B. The
exempt storm water discharge exits the property just north of the North Sedimentation Pond to enter
an unnamed tributary of Muddy Creek via existing natural drainage paths.

On the southern portion of the plant site, storm water from the exempt areas flows to diversion
ditches running south along the outside of the east and west boundaries of the DSN002 drainage area
depicted in Attachment B. The exempt storm water discharge exits the property just south of the
South Stormwater Management Pond to enter an unnamed tributary of Clear Creek via existing
natural drainage paths.
A drawing depicting the exempt stormwater diversion ditch and detention basin was submitted with
the original NPDES Stormwater Permit application.
Site Drainage Controls
The runoff from the roofs and developed areas portions of the properties within the DSN001 and
DSN002 drainage areas is conveyed to the appropriate permitted ponds by a storm sewer system and
grassed swales. Details for the North Sedimentation Pond (dry pond) were provided with the original
NPDES Stormwater Permit application. Attachment C contains the and South Detention Basin (wet
pond) Layout Plan as it has been modified for the proposed project.
At the plant site, Kirksey silt loam is found on gently sloping upward ridges, in depressions, and
around the head of intermittent drainage ways. Included with the soil are a few areas of Misenheimer
and Badin soils. Misenheimer soils are in slightly elevated positions near bedrock ledges at or near
the surface. Badin soils are found on small knolls and ridges. Misenheimer and Badin soils are
moderately well drained and well drained. Kirksey silt loam is moderately well drained.

PSAITAR
OTABLESEM �SENWER Y
► CITY WATER •
FIRE WATER
FOR EMERGENCY
USES ONLY
► STORM WATER
221,600 GAL
POTABLE
WATER
STORAGE
TANK
HUMIDIFICATION
BOILER
HVAC
COOLING
TOWER
► STEAM
• BI.OWDOMN TO
fUUTFALL
DSN002
ECWS
COOLING
TOWER
HCL & CL2
•SCRUBBER
SYSTEMS
300,000 GAL
FIRE
WATER
STORAGE
• TANK
1
CHEMICAL
REAGENT
SYSTEMS
MISCELLANEOUS
SCRUBBER
SYSTEMS
CONSOLIDATION
SCRUBBER
SYSTEMS
POLLUTION
► ABATEMENT
AREA
UTILITIES
SOFTENER
SYSTEM
STORM
WATER
SYSTEM
WASTE
TREATMENT
SYSTEM
1
BLOWDOWN
► EVAPORATION
► EVAPORATION
• t.
► EVAPORATION
PROCESS
WASTEWATER
'TO
OUTFALL
DSN003
► EVAPORATION
► EVAPORATION
OSN001
► OUTFALL
DSN002
► OUTFALL
SCHEMATIC OF WATER FLOW
CORNING INCORPORATED
CONCORD.NC
CABARRUS COUNTY

Concord Expansion
Wastewater Permitting Overview
• Business plans
• Effluent characteristics
• Questions
November 10, 1999 Corning Proprietary Information
Business plans
• Concord vs. Wilmington
— High volume std. product
vs. specialty fiber
• Expansion plan
— Nearly double existing plant
(-3x at completion)
— Two phases of construction
• Skilled labor market
• Manufacturing transition
• Schedule
— Push dirt by year end
— Construction start 3/00
— Operations start 7/01
— All process equipment
operational 11/03
November 10. 1999 Coming Proprietary Information
1

Effluent Characteristics
• Additional flow
— Includes cooling tower blowdown
— 205,000 gpd
• Same pollutants
— Additional chlorides (lbs/d)
— Designed to stay below stream action level 230 mg/1
— Install diffuser
• Obtain COE approval
• Additional wastewater treatment
— Similar technology
November 10, 1999 Coming Proprietary Information
Questions?
• Permitting timeframe
— Permit renewal submitted early 1999
• Impact of Chloride action level
• Any other regulatory changes anticipated
November 10, 1999 Coming Proprietary Information
2