NC0045993_Permit Issuance_19960916

NPDES DOCUMENT SCANNING COVER SHEET
NC0045993
Teledyne ALLVAC WWTP
NPDES Permit:
Document Type:
Permit Issuance-
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Denial
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
September 16, 1996
Thins document fun prirnted on reuse paper - igziore any
content azz the reYersime wide

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
• •
LEHNR
September 16, 1996
Mr. J. Thurman Horne, P.E., Manager of Environmental Affairs
Teledyne Allvac
2020 Ashcraft Avenue
P.O. Box 5030
Monroe, North Carolina 28110-0531
Subject: NPDES Permit Issuance
Permit No. NC0G 5993
Teledyne Allvac
Union County
Dear Mr. Horne:
The Division is forwarding NPDES Permit No. NC0045993 originally received on June 2, 1994. The
following paragraph addresses the issues raised regarding the permit. This permit is issued pursuant to 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.
The final permit has been issued to reflect the latest known production values and assuming a design
flow of 0.16 MGD. Streamflow is considered to be 0.15 cubic feet per second (cfs), but it should be noted that
any significant expansion may result in a streamflow reevaluation. It is expected that such an evaluation will
yield a S7Q10 flow of 0.0 cfs.
Final limits for chromium, nickel and zinc were based on effluent guideline calculations provided in the
August 26. 1996 correspondence from Ping Zhuang, Ph. D., EIT without additional allowance for stormwater
contributions. Zinc is not normally limited in NPDES permits at the action level unless it has been shown to be
a causative factor in eflluent toxicity. As this is not the case for Teledyne Allvac, effluent guidelines have been
given. If allowable amounts of chromium and nickel were based on the effluent guideline calculations, these
parameters would be limited on the basis of monthly average and daily maximum compliance frequencies. If
allowable concentrations of these pollutants were based on water quality based criteria, then limits would be
given in terms of weekly averages and daily maximums. The Division determined that a more stringent monthly
average limit would adequately protect the receiving stream for these parameters and would be more appropriate
given the relatively infrequent (twice monthly) sample collection frequency.
Based on the extremely complex nature of this permit development process, I would suggest that
members of the Permits and Engineering Unit meet with Teledyne Allvac in January 1999. approximately nine
months prior to the next permit issuance. In this way, time will be given for both the Division and Teledyne
Allvac to prepare for the renewal in a meaningful and adequate way. Specifically, there are certain issues which
would likely need to be resolved: the production process must be fully understood by the permit writer (I would
highly recommend a site visit); production values which are necessary for the permit development process must
be conveyed to you and your staff so that the task of gathering such information can begin; past data should be
reviewed by both parties; any modifications regarding production at the facility should be reviewed; and the
Division should review its permitting strategy with Teledyne Allvac.
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 (30) 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, Post Office
Drawer 27447, Raleigh, North Carolina 27611 -7447. Unless such demand is made, this decision shall be final
and binding. Please take notice this permit is not transferable. Part II, E.4. addresses the requirements to be
followed in case of change in ownership or control of this discharge.
This permit does not affect the legal requirements to obtain other permits which may be required by the
Division of Environmental Management 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.
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

If you have any questions regarding this permit. please contact Mr. David Goodrich at (919)-733-5083.
extension 517.
Sincerely,
Original Signed By
David A. Goodrich
A. Preston Howard. Jr.. P.E.
cc: Central Files
Mr. Roosevelt Childress, EPA
Mooresville Regional Office/Water Quality Section
Permits & Engineering Unit
Facility Assessment Unit
Aquatic Survey and Toxicology Unit

Permit No. NC0045993
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH, 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 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,
Teledyne Allvac
is hereby authorized to discharge wastewater from a facility located at the
Monroe Plant
2020 Ashcraft Avenue
Monroe
Union County
to receiving waters designated as Richardson Creek in the Yadkin -Pee Dee River Basin
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III, and IV hereof.
The permit shall become effective November 1, 1996
This permit and the authorization to discharge shall expire at midnight on November 30, 1999
Signed this day September 16, 1996
Original Signed By
David A. Goodrich
A. Preston Howard, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

V
Permit No. NC0045993
SUPPLEMENT TO PERMIT COVER SHEET
Teledyne Allvac
is hereby authorized to:
1. Continue to operate a two cooling ponds with an oil skimming baffle located at the Monroe
Plant, on 2020 Ashcraft Avenue, Monroe, Union County (See Part III of this Permit), and
2. Discharge from said treatment works at the location specified on the attached map into
Richardson Creek which is classified as class C waters in the Yadkin -Pee Dee River Basin.

A. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS FINAL
Permit No. NC0045G93•
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from outfall serial number
001. 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
Continuous
Recorder
E
Chromium
0.05 lbs/day
0.39 Ibs/day
2 / Month
Grab
E
Nickel
0.13 Ibs/day
0.58 Ibs/day
2 / Month
Grab
E
Fluoride
2.9 mg/I
2 / Month
Grab
E
Cyanide
8.0 pg/I
27.0 pg/I
2 / Month
Grab
E
Lead
40.0 pg/I
51.0 Erg/I
2 / Month
Grab
E
Zinc
0.53 Ibs/day
2.8 Ibs/day
2 / Month
Garb
E
NH. as N
2 / Month
Grab
E
Total Suspended Residue
30.0 mg/I
45.0 mg/I
2 / Month
Grab
E
Oil and Grease
10.0 mg/I
15.0 mg/I
2 / Month
Grab
E
Temperature, "C
Weekly
Grab
E
Conductivity
2 / Month
Grab
E, U, D
pH"
2 / Month
Grab
E
Chronic Toxicity"
Quarterly
Grab
E
Notes:
1 Sample locations: E - Effluent, U - Upstream (50 feet above the discharge point), D - Downstream (at a point 50 feet downstream of the discharge point) .
2 The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
3 Chronic Toxicity (Ceriodaphnia) P/F at 62%, February, May, August, and November; See Part III, Condition E.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

Part II1 Permit No. NC0045993
E. CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or
significant mortality is 62% (defined as treatment two in the North Carolina procedure document).
The permit holder shall perform quarterly monitoring using this procedure to establish compliance
with the permit condition. The first test will be performed after thirty days from the effective date
of this permit during the months of February, May, August, and November. Effluent sampling
for this testing shall be performed at the NPDES permitted final effluent discharge below all
treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter
code TGP3B. Additionally, DEM Form AT-1 (original) is to be sent to the following address:
Attention:
Environmental Sciences Branch
North Carolina Division of
Environmental Management
4401 Reedy Creek Road
Raleigh, N.C. 27607
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly
monitoring will begin immediately until such time that a single test is passed. Upon passing, this
monthly test requirement will revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Environmental Management indicate potential impacts to the receiving stream, this
permit may be re -opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum
control organism survival and appropriate environmental controls, shall constitute an invalid test
and will require immediate retesting(within 30 days of initial monitoring event). Failure to submit
suitable test results will constitute noncompliance with monitoring requirements.

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04/11/96 14:58 131704 529 5298 NATIONAL ENVIRON
IZl002/003
NATIONAL ;' NVIRO.VME TAL TECHNOL CIFS, .
April 11, 1996
Mr_ David A. Goodrich, P.E.
State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management (DEM)
512 North Salisbury Street
Raleigh, North Carolina 27604
SUBJECT: Comments on Draft NPDES Permit (#NC0045993)
Teledyne Allvac
Monroe, North Carolina
Dear Mr, Goodrich:
Project# 029009
NPDES
On April 1, 19%, Teledyne Allvac received the Draft NPDES Permit No. NC0045993 from your office.
The cover letter from Mr. Jay B. Lucas, of your staff was dated Much 6, 1996, but the date was marked
out by hand and changed to March 22, 1996. We understand that Mr Lucas is no longer with your
Section, but that this permit has not yet been reassigned. Per my conversation today with Ms. Jennifer
Wolfe, of your staff, we understand that the permit went to public notice on March 27 and is scheduled
for issuance in early May.
As you know, Teledyne Allvac has been in correspondence and meetings with you and your staff for
some time regarding this permit. The first Draft Permit was dated August 1, 1995, and was followed
by meetings at Teledyne Allvac in Monroe, an August 30, 1995 meeting with you and your staff in
Raleigh, addition information submittals by Teledyne Allvac and written comments dared October 3.
1995.
We arc surprised that the most recent Draft Permit does not appear to have considered these comments
or the information submitted by our client. In fact, the effluent limits proposed in the recent Draft Permit
are considerably more restrictive than those proposed in the August 30, 1995 Draft Permit.
We have not been able to understand or reproduce the modeling which resulted in these limits, and
believe that they may be in error_ As I explained to Ms. Wolfe via telephone today. on behalf of our
client, we request a meeting with you prior to the expiration of any comment period. Please call me at
your earliest convenience so that we may arrange such a meeting.
D:ITLLrbwitolvwv.DENd.LTh 9400E Southern PuteBlvd. • C12dotte, NC 28273 • (704) 529-55511FA.X [phone]

04/11/96 14:58 $704 529 5298 NATIONAL ENVIRON
Z 003/003
Mr. David A. Goodrich, P.E.
NeDEHN'R
April 11, 1996
Page - 2 -
If you have any questions, please feel free to call Mr. Thurman Home at (704)-282-1533 or me at (704)-
529-5551 ext. 228. We appreciate your help in resolving this matter.
Sincerely,
NATIONAL ENVIRONMENTAL TECHNOLOGIES, INC.
)2tigtc,
Gary C. Ribblett, P.E.
Vice President
GCR/jdb
cc: Thurman Horne, P.E_, Teledyne Allvac
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August 29, 1995
N.C. Dept. of Environment, Health & Natural Resources
Division of Environmental Management
Water Quality Section
P. O. Box 29535
Raleigh, NC 27626-0535
Subject: Application for Permit Renewal
Teledyne Allvac - Monroe Plant
NPDES Permit No. NC0045993
Union County
Gentlemen:
1TELEDYNE
ALLVAC
2020 ASHCRAFT AVENUE
PO BOX 5030
MONROE. NORTH CAROLINA 28110-0531
(7041 289•451 1 TW X 18101 649.1359
Listed below is an update of information provided August 31, 1995. This information has been
updated to show the amounts of Tool Steel and Specialty Steel now subject to contact with
cooling water that flows into our cooling pond. These are described as follows:
Ni. Alloy # Ti Alloy # Tool Specialty
Steel # Steel #
1. Remelt Dept. - Campbell Saw
max. daily 120,000 18,000 600 18,000
max. monthly 1,350,000 145,000 13,000 390,000
2. Press Dept. - Quench Tank
max. daily 50,000 0 0
max. monthly 990,000 0 0
3. GFM Dept. - Quench Tank
max. daily 16,000 45,000 0 3,000
max. monthly 55,000 500,000 0 9,000
4. Rolling Dept. - Mills
max. daily 30,000 26,000 400 8,000
max. monthly 388,000 301,000 6,000 124,000
Please call if you need additional information or if we need to discuss (704-282-1533).
C: Gary Riblet, NET
Sincerely,
J. Thurman Horne, P.E.
Manager of Environmental Affairs

08/25/95 10:17 ''709 529 5298 NATIONAL ENVIRON (]001/006
NATIONAL ENVIRONMENTAL
TECHNOLOGIES
9400-E Southern Pine Boulevard
Charlotte, NC 28273
[phone]
FAX [phone]
TO: MY "SA1 t-uc.Ars 611 -g 3 --
FROM: 9\4 t 3 Pe/ __ _PA -[ itazw
SUBJECT:
MESSAGE:
N IMBER OF PAGES INCLUDING TOTS PAGE: 4 DATE: g 1 " J‘14'
U.' YOU RAVE ANY PROBLEMS RECEIVING, PLEASE CALL 704-529-5551.

OS/25/85 1U:16 Q/1.1.1 52 3 5285
r'A1iuL t,1VY1MUA - IJ rAUUL/uUo
NATIONAL ENVIRONMINTAL TECINOLOGEES, tvc.
August 25. 1995 Project #029005
Mr. fay B. Lucas, P.E.
State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management (DEM)
P.O. Box 29535
Raleigh, North Carolina 27626-0535
SUBJECT: Comments on Draft NPDES Permit (#NC0045993)
Dear Mr. Lucas:
Thank you for sending me a copy of the Teledyne Allvac's NPDES draft permit (#NC0045993)
which was received on August 7, 1995. We have forwarded a copy of the draft permit to Mr.
Thurman Horne of Teledyne Allvac on the same day. On August 17, 1995, we met with Mr.
Thurman Horne to discuss the draft permit. Our comments and concerns regarding the permit
limitations are summarized below;
1. Part 1, Section A of the permit presents the effluent limitations and monitoring
requirements. Under the discharge limitations, the units for ammonia (NH3 as
N) and for fluoride should be tag/1 per the wasteload allocation sheet sent to
Teledyne on January 12, 1995 from Mr. Michael Parker of DEM's Mooresville
Office.
2. We have conducted extensive studies regarding the receiving creek's flow and met
with DEM to come up with an agreeable flow for this permit (see attached
communication record). We want to confirm again that there is a consistent
correlation between rainfall events and Teledyne's effluent flows. During dry
weather conditions, there is little or zero flow discharge from Teledyne Allvac's
Monroe facility. During drought period, there is no discharge flow from
Teledyne Allvac to the receiving creek.
3. The production processes in Teledyne Allvac's Monroe facility are not single pass
processes. We have obtained production data from the Monroe facility and are
able to provide your office with average numbers of passes that can be considered
in the mass limits development per the EPA effluent guidelines.
F vrELECYNE10: WDEM-I IUD
E Soar, Pine Blvd.' Chatione, NC 28273' (704) 5'N-5551/FAX (70; 29-5298

08/25/95 10:19 22704 529 5298 NATIONAL ENVIRON
el003/006
Mr. Jay B. Lucas, P.E.
August 25, 1995
Page - 2 -
4. The final effluent also has other non -process contributing sources such as storm
water runoff that may be considered in developing permit limitations.
5. There are two new production processes, namely high speed tool steel and
specialty steel production lines that were not considered in the draft permit.
We would like to discuss the above items in our meeting on August 30, 1995. It seems that we
are not likely to resolve these issues within the 30 days period. Therefore, we are respectfully
requesting an extended review period that you deem appropriate for us. If you have any
questions, please feel free to call us at (704)-529-5551. We thank you for your time and look
forward to meeting you in Raleigh.
Sincerely,
NATIONAL. ENVIRONMENTAL TECHNOLOGIES, INC.
(CilelniM 14/
Ping"Zhuang, Ph.D.
Project Manager
e <
Gary C. Ribblett, P.E.
Vice President
PZ!deb
Enclosure: Communication Record
cc: Thurman Horne, P.E., Teledyne AlIvac
F:ITELEDYNETESatShD h M • 1.T LD

08/25/95 10:20 1T704 529 5298
NATIONAL ENVIRON WJ004/006
COMMUNICATION RECORD
TELEDYNE ALLVAC
Monroe Plant
Date Correspondence/Communication
5-31-94 NPDES permit renewal - application submitted to Mr. Dave Goodrich of DEM,
Water Quality Section
7-29-94 Mr. Thurman Horne of Teledyne and Mr. Gary Ribbleu of NET met with DEM
in Raleigh regarding the NPDES permit renewal, focusing on the 7Q10 flow
issue.
8-31-94 Mr. Thurman Home's letter to Ms. Michelle Wilson of DEM, providing
production data (metal).
9-1-94 Mr. Ping Zhuang's letter to Mr. Robert Mason, United States Geological Survey,
P.O. Box 30728, Raleigh, North Carolina 27622-072.8, forwarding with this
letter a copy of the stream flow study report prepared by Cooper Environmental.
cc: Ms. Michelle Wilson, NCDEHNR
Mr. J. Thurman Horne, P.E., Teledyne
Mr. Gary Ribblett, Vice President, NET
9-8-94 Mr. Gary Ribblett's letter to Mr. Donald L. Safrit of DEM, to thank him for the
7-29-94 meeting and to submit the following information:
F• l'ELEDYNEV20:0R9EM.1.11,D
1. Correlation study of Teledyne Allvac's NPDES discharge vs.
rainfall for the year 1993;
2. Results of 7Q10 measurements for Teledyne Allvac (May 23,
1994);
3. Table summarizing discharge report data from December 1990
through January 1993;
4. NPDES compliance inspection report (October 28, 1987);
5. Letter from Mr. 1H. Curtis Gunter, USGS dazed August 2, 1990;
6. Letter from Mr. J. Thurman Horne, (Teledyne) to Ms. Lula Harris
(DEM) dated November 21. 1989;
7. Letter from Mr. R. Paul Wilms to Mr. Thurman Horne dated
December 22, 1989; and
8. Letter from Mr. Thurman Horne to Ms. Carla Sanderson (DEM)
dated April 9, 1991.
1

08/25/95 10:21 '8'704 529 5298
NATIONAL ENVIRON lZ 005/006
10-5-94 Met with DEM at Teledyne Allvac's Monroe plant (Mr. Gary Ribblett of NET
was present).
10-21-94 Mr. Thurman Home's letter to Mr. Sean D. Goris of DEM. forwarding the
process flow diagrams for the areas in Monroe plant generating contact cooling
waters.
1-12-95 Mr. Michael Parker of DEM sent letter to Mr. Thurman Horne, forwarding a
copy of the revised Waste Load Allocation (WLA).
1-25-95 Mr. Gary Ribblett's letter to Mr. Sean D. Goris, Environmental Engineer, N.C.
Dept. of Environment, Health & National Resources, Division of Environmental
Management, P.O. Box 29535, Raleigh, NC 27626-0535, confirm receipt of the
January 12, 1995 letter from Mr. Michael L. Parker of the Mooresville Regional
Office to Mr. Thurman Home; have some concerns regarding the revised Waste
Load Allocation and are in the process of reviewing the information in detail with
Teledyne Allvac; will be in contact to discuss our comments and concerns as soon
as we have finished the review.
cc: Mr. Michael L. Parker, Mooresville Regional Office
Mr. Thurman Horne, Teledyne Allvac
2-2-95 Mr. Gary Ribblett called Mr. Sean Goris requesting for a copy of the
calculation/basis of the WLA. Mr. Goris was not there and Mr. Ribblett left a
message.
2-13-95 Mr. Ping Zhuang called Mr. Goodrich of DEM requesting the basis (calculation)
of WLA for Teledyne. Mr. Goodrich said that a lot of things were on his desk.
He would try to get through it and then send it to Teledyne in a couple of weeks.
3-13-95 Mr. Gary Ribblett called Mr. Dave Goodrich requesting for a copy of the
calculation/basis of the WLA. Mr. Goodrich was not there and Mr. Ribblett left
a message.
5-4-95 Mr. Ping Zhuang called Mr. Dave Goodrich regarding Teledyne's permit
renewal. Mr. Dave Goodrich was not there. Mr. Zhuang left a message.
5-10-95 Mr. Ping Zhuang called Mr. Dave Goodrich. Mr. Goodrich was not there. Ping
talked to Mr. Jay Lucas instead. Mr. Zhuang requested for a copy of the basis
for the WLA. Mr. Lucas said that he would talk to Mr. Goodrich the next day
about Teledyne's request.
5-10-95 Mr. Ping Zhuang called Mr. Lucas again and informed him Teledyne's permit
# (0045993) and the name of the receiving stream (Richardson Creek). Mr.
Zhuang asked again for the basis of the WLA. Mr. Lucas said that he would
to Mr. Goodrich the next day and send a copy if he could find it.
FtTELEDYME\C29CCSOt i.I,TLD 2

08/25/95 10:23 $704 529 5298
NATION9L EVVIRON Z 006/ 008
5-11-95 Mr. Ping Zhuang called Mr. Lucas regarding the basis of calculation for the
WLA, Mr. Lucas said that he left a message for Mr. Goodrich who was to come
back to the office around 3 PM, Mr. Lucas said that he would tall: to Mr.
Goodrich again at that time.
5-12-95 Mr. Jay Lucas called Mr. Ping Zhuang and said that Mi . Dave Goodrich was off
that day. He said that he would talk to Mt. Goodrich on Monday (i.e., 5-15-95)
and then would call back. Mr. Ping Zhuang told Mr. Jay Lucas that Teledyne
like to see the calculations that led to the proposed limits in the WLA received
by Teledyne in January, 1995. Mr. Lucas said that he would dig deeper to find
all the basis/calculation.
5-17-95 Mr. Dave Goodrich of DEM called Mr. Ping Zhuang to inform that the basis for
the WLA will be sent to Teledyne within a month.
P 'I2LEDYhetCs ln3Ve-1,TL0
3

NPDES WASTE LOAD ALLOCATION
PERMIT NO.: NC0045993
PERMITTEE NAME: Teledyne Allvac
FACILITY NAME: Teledyne Allvac Wastewater Treatment Plant
Facility Status: Existing
Permit Status: Renewal
Major Minor �I
Pipe No.: 001
Design Capacity:
Domestic (% of Flow):
Industrial (% of Flow): 100 %
Comments:
See attached notes.
RECEIVING STREAM: Richardson Creek
Class: C
Sub -Basin: 03-07-14
Reference USGS Quad: H 16NE
(please attach)
County: Union
Regional Office: Mooresville Regional Office
Previous Exp. Date: 11/30/94 Treatment Plant Class:
Classification changes within three miles:
Requested by: Jay Lucas Date: 12/20/95
Prepared by: /4i,} j,��j,•C,��l� /) Date: Y /
Reviewed byq inc d
"1/4-
D C9
Modeler
Date Rec.
#
F1NM
tz4 z,4 s
'iil oc,
Drainage Area (nut ) 5 3 Avg. Streamflow (cfs): 9
7Q10 (cfs) a 15 Winter 7Q10 (cfs) a, 2.— 30Q2 (cfs) ),
Toxicity Limits: IWC 6-7 % Acu
Instream Monitoring: Parameters 1riy/ /2/' / cePck G-6 d/ 7 f
Upstream Location /0a f( r/�"G'fr✓'
Downstream Location"' 0,3 rh' /P.S Akers Strut
b,aPiC47‘reAAA4 t,f' 54/75/
Flow (MGD)
Chromium (lbs/day):
Nickel (Ibs/day):
Fluoride (mg/L):
Cyanide (lbs/day):
Lead Ohs/day):
Zinc (lbs/day):
Ammonia (mg/L):
TSS (lbs/day):
Oil and Grease (mg/L):
Chronic toxicity:
pH (S.U.)
Mon. Avg.
0.007
0.015
0.037 (guideline)
0.034 (guideline)
0.10 (guideline)
2 (S)/4 (W) (WQ)
7.9 (guideline)
10
P/F @ 67%
6-9
Daily Max.
monitor
0.04
0.061
2.7 (WQ)
0.045 (WQ)
0.085 (WQ)
0.56 (guideline)
39.6 (guideline)
15
6-9
Weekly Avg. Daily Max.
7.4 ug/L (WQ)
37 ug/L (WQ)
27 ug/L (WQ)
51 ug/L (WQ)
Comments:
PLOTTED

06/02/94
07/07/94
08/31/94
09/13/94
09/16/94
10/24/94
01/03/95
01/26/95
01/31/95
08/01/95
08/30/95
10/05/95
11/02/95
Teledyne Allvac NC0045993
December 20, 1995
Application received
MRO completes Staff Report
Teledyne submits production figures to Michelle Wilson
National Environmental Technologies (NET) submits add info to Don
Safrit
Teledyne faxes copy of Federal Register
Teledyne submits add info to Sean Goris
Internal meeting notes
NET submits letter on concerns of WLA
IAU completes WLA
DEM releases draft permit
Meeting in Raleigh with DEM, Teledyne, and NET
DEM receives additional information from NET
DEM plant tour with Thurman Home
Limits for the first draft permit dated August 1, 1995 were based on stream flow
of 0.15 cfs and waste flow of 0.200 MGD.
Notes from
Attendees:
plant tour 11/2/95:
Thurman Home, Teledyne
Jay Lucas, NPDES Group
Andy McDaniel, IAU
Mike Parker, MRO
The facility has two ponds in series and both receive process wastewater, floor
drain water, and most on -site stormwater. The effluent from the second pond
passes through an oil/water separator and a weir for flow monitoring. An
effluent channel carries the wastewater to Richardson Creek. Intake water is
supplied by the city or can be taken from the second pond and passed through a
pressure filter for use in the plant.
Teledyne Allvac Notes Page 1

The facility manufactures nickel alloys, titanium alloys, tool steel, and specialty
steel. The following is a review of the processes at Teledyne Allvac from start to
finish:
1) The plant receives metals as pellets, ingots, or scrap material. No raw
materials or ores are processed at this plant. Various metals are mixed for
alloys which are created by a vacuum induction melt furnace and then
poured into molds of various shapes. This process does not generate any
wastewater.
2) In the Remelt Department, shapes can be remelted with natural gas in
crucibles to further blend the alloys and ensure the proper grain alignment.
The crucibles are kept at a specific temperature by non -contact cooling
water which flows to a sump. Hydraulic and electrical machinery is used to
handle the crucibles. Washdown water, non -contact cooling water, and
spilled oil is pumped to the ponds by a sump pump.
3) After shapes are removed from a crucible, they are cut with a remelt saw
which uses contact cooling water. The remelt saw or "Campbell saw" uses a
blade similar to a thin grit wheel. Some of the cooling water flows to a
nearby tank to be reused. Any excess is drained to the ponds.
4) In the Press Department, the shapes can be heated in gas furnaces and
pounded from two sides by a press forge. Hot shapes can be rapidly cooled
in a quench tank. Overflow water from this tank flows to the ponds,
5) In the Forge Department, shapes can be pounded on four sides and twisted
in a GFM forge then rapidly cooled in a quench tank. Overflow water from
this tank flows to the ponds. A second, small quench tank is used to cool
sample pieces.
6) Other saws in the Forge Department use a cutting fluid mixed with water
which is not discharged; however, some fluid is occasionally spilled. The
saw is similar to a band saw. The cutting fluid evaporates and is added as
necessary. Metal particles have to be cleaned from the cutting fluid storage
tank periodically.
7) In the Rolling Department, metal shapes can be hot rolled and finished as a
final step. The rollers press bars into different cross sectional shapes. The
Teledyne Allvac Notes Page 2

rollers use water to stay cool. This water comes into contact with machine
parts and hot metal and is discharged into the ponds. Each bar is rolled an
average of 18 times.
8) Shapes can be finished in a carbon silica polisher which is closed loop with
minor spillage.
9) Some shapes are put into an alkaline dip which is not discharged.
Occasionally, the tank is pumped to a portable trailer while the alkaline tank
is cleaned of metal fragments.
10) Most shapes are put in a sonic immersion tank for ultrasound testing. This
water is rarely drained and flows to the ponds.
11) Technicians saw the end off of some bars for etch testing with strong acid
and base solutions. Spent solutions are discharged to the pretreatment plant
which is connected to the sanitary sewer.
The following is a summary/review of the implementation of federal regulations
Tool Steel and Specialty Steel
40 CFR 420.72 (b) (2) Subpart G - BPT applies to the fabrication of tool
steel and specialty steel. No BAT is available.
Nickel Alloys
40 CFR 471.32 (c) BAT applies to the rolling of nickel alloys (18 passes).
40 CFR 471.32 (j) (k) (1) BAT applies to the forging and quenching of
nickel alloys and associated equipment cleaning and hydraulic fluid leakage.
40 CFR 471.32 (z) BAT applies to the sawing of nickel alloys.
40 CFR 471.32 (ff) BAT applies to miscellaneous nickel processing
wastewater sources
Teledyne Allvac Notes Page 3

Titanium Alloys
40 CFR 471.62 (b) BAT applies to the rolling of titanium alloys (18
passes).
40 CFR 471.62 (h) (i) (j) BAT applies to the forging and quenching of
titanium alloys and associated equipment cleaning and hydraulic fluid
leakage.
40 CFR 471.62 (v) BAT applies to the sawing of titanium alloys.
40 CFR 471.62 (x) BAT applies to miscellaneous titanium processing
wastewater sources.
Teledyne Allvac Notes Page 4

!° �\
1
"72
visits
.371
45,00 000
FEET
Fi
s.a
,> ;N
1 ~ 09
c� m
-^ 30
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' v
3369
57'30"
367

41
August 29, 1995
N.C. Dept. of Environment, Health & Natural Resources
Division of Environmental Management
Water Quality Section
P. O. Box 29535
Raleigh, NC 27626-0535
Subject: Application for Permit Renewal
Teledyne Allvac - Monroe Plant
NPDES Permit No. NC0045993
Union County
Gentlemen:
WTELEDYNE
ALLVAC
a5r• .a-A�E 4LE
3Cx C3
.4CNRCE. NORTH ' CARCL A 231.C; 0531
-Ca, :29-45' • rwx e.c,
Listed below is an update of information provided August 31, 1995. This information has been
updated to show the amounts of Tool Steel and Specialty Steel now subject to contact with
cooling water that flows into our cooling pond. These are described as follows:
1 Remelt Dept. - Campbell Saw
max. daily
max. monthly
2. Press Dept. - Quench Tank
max. daily
max. monthly
3. GFM Dept. - Quench Tank
max. daily
max. monthly
4. Rolling Dept. - Mills
max. daily
max. monthly
Ni. Alloy 4 Ti Alloy # Tool
Steel #
17i.32MfM
120,000
1,350,000
18,000
145,000
971. 32
;4)
16,000
55,000
32
30,000
388,000
/7/ ‘2
50,000
990,000
45,000
500,000
4 7' 2.
dX-)
26,000
301,000
Specialty
Steel T
(A) (-2-)
600 18,000
13,000 390,000
400
6,000
0
0
3,000
9,000
8,000
124,000
Please call if you need additional information or if we need to discuss (704-282-1533).
Gary Riblet, NET
urman Horne, P.E.
Manager of Environmental Affairs

Teledyne Allvac NC0045993
Effluent Guideline Limitations
Department Material
Remelt Nickel Alloy
Titanium Alloy
Tool Steel
Specialty Steel
Press Nickel Alloy
Titanium Alloy
Tool Steel
Specialty Steel
Forge Nickel Alloy
Titanium Alloy
Tool Steel
Specialty Steel
Rolling Nickel Alloy
Titanium Alloy
Tool Steel
Specialty Steel
Pounds produced
DailyMax Monthly total MonthIy Avg.
120,000 1,350,000 45,000
18,000 145,000 4,833
600 13,000 433
18,000 390,000 13,000
0 0 0
50,000 990,000 33,000
0 0 0
0 0 0
16,000 55,000 1,833
45,000 500,000 16,667
0 0 0
3,000 9,000 300
30,000 388,000 12,933
26,000 301,000 10,033
400 6,000 200
8,000 124,000 4,133

Teledyne Allvac NC0045993
Effluent Guideline Limitations
Stream 7Q10 (cfs): 0.15
Waste Q (MGD): 0.20
40 CFR
Rezulation
420.72 (b) (2)
Monitoring
Frequency
Daily Max
Monthly Avg
Chromium
Guideline
I61J �rµn,
Mass Limit
I�
I,iAoa
Nickel
Guideline
Mass Limit_
Fluoride
Guideline
Mass Limit
Cyanide
Guideline
Mass Limit
471.32
(c)
Daily Max
- 0.0280
-- 0.0151
0.0420
0.0227
4.4900
2.4246
Monthly Avg -
0.0110 - .
- _ 0.0026
0.0280
0.0065
1.9900
0.4633
471.32
(j)
Daily Max
0.0020
0.0000
0.0020
0.0000
0.2380
0.0038
Monthly Avg
0.0006
0.0000
0.0020
0.0000
0.1060
0.0002
471.32
(k)
Daily Max
0.0180
0.0003
0.0260
0.0004
2.8200
0.0451
Monthly Avg
0.0070
0.0000
0.0180
0.0000
1.2500
0.0023
471.32
(I)
Daily Max
0.0690
- 0.0011
0.1030
0.0016
11.2000
0.1792
Monthly Avg
0.0280
0.0001
0.0690
0.0001
4.9400
0.0091
471.32
(z)
Daily Max
0.0670
, 0.0080
0.1000
0.0120
10.8000
1.4969
Monthly Avg
0.0270
0.0012
0.0670
0.0030
4.7800
0.2793
471.32
(ff)
Daily Max
0.0910
- 0.0151
0.1360
0.0226
14.7000
2.4402
Monthly Avg
0.0370
0.0022
0.0910
0.0054
6.5000
0.3885
471.62
(b)
Daily Max
29.1000
13.6188
0.1420
0.0665
Monthly Avg
12.9000
2.3297
0.0590
0.0107
471.62
(h)
Daily Max
5.9500
0.5653
0.0290
0.0028
Monthly Avg
2.6400
0.1311
0.0120
0.0006
471.62
(i)
Daily Max
2.3800
0.2261
0.0120
0.0011
Monthly Avg
1.0600
0.0526
0.0050
0.0002
471.62
(j)
Daily Max
60.1000
5.7095
0.2930
0.0278
Monthly Avg
26.7000
1.3261
0.1210
0.0060
471.62
(v)
Daily Max
28.3000
0.5094
0.1380
0.0025
Monthly Avg
12.6000
0.0609
0.0570
0.0003
471.62
(x)
Daily Max
14.3000
1.9877
0.0700
0.0097
Monthly Avg
r J �{
6.3400
0.4091
0.2900
0.0187
Mass flow
Tot Daily Max=
- 0.0397
Tot Daily Max.
0.0594
Tot Daily Max=
29.2066
Tot Daily Max=
0.1104
(lbs/day)
Tot Mo Avg=
0.0061
Tot Mo Avg=
0.0151
Tot Mo Avg=
5.4523
Tot Mo Avg=
0.0365
Dischrg conc.
. to.1M6t0(µ.g/1)
IWC
Da Max. 0, 0 y U/-ln"). 24
Mo Avg= 0,000 1444 4
Da Max= 16
(µg/I) Mo Avg= 2
Stream Std (µg/I) =
!Proposed WQ limit (µg/l) =
50
74
Da Max= 0.0602 Ib/d 36
Da Max=27.s.2 117,539
Mo Avg=oD153 tW 9 Mo Avg= 5.5(?6442,274
Da Max=
Mo Avg=
Page 1
24 Da Max= 11,820
6 Mo Avg= 2,207
88
131
1800
2671
Da Max= ,J. /a z 15/d 66
Mo Avg='Q,o37/ IV,/ 22
Da Max=
Mo Avg=
45
15
5
7.' j

Lead
Zinc
Ammonia
TSS
Oil & Grease
Guideline
Mass Limit
Guideline
Mass Limit
_ Guideline
Mass Limit
Guideline
Mass Limit
Guideline
Mass Limit
0.2240
0.0841
38.7072
7.7148
0.0561
no limit
9.6941
no limit
0.2050
0.0959
0.7130
0.3337
65.1000
30.4668
0.0980
0.0177
0.2980
0.0538
28.6000
5,1652
0.0420
0.0040
0.1460
0.0139
13.3000
1.2635
0.0200
0.0010
0.0610
0.0030
5.8600
0.2910
0.0170
0.0016
0.0590
0.0056
5.3300
0.5064
0.0080
0.0004
0.0250
0.0012
2.3500
0.1167
0.4240
0.0403
1.4800
0.1406
135.0000
12.8250
0.2020
0.0100
0.6160
0.0306
59.2000
2.9403
0.2000
0.0036
0.6950
0.0125
63.5000
1.1430
0.0950
0.0005
0.2910
0.0014
27.9000
0.1349
0.1010
0.0140
0.3510
0.0488
32.0000
4.4480
0.0480
0.0031
0.1470
0.0095
14.1000
0.9099
Tot Daily Max=
0.1595
Tot Daily Max=
0.5551
Tot Daily Max=
50.6526
Tot Daily Max=
38.7072
Tot Daily Max=
9.6941
Tot Mo Avg=
0.0327
Tot Mo Avg=
0.0996
Tot Mo Avg=
9.5580
Tot Mo Avg=
7.7148
Tot Mo Avg=
no limit
Da Max= 0, l631 1,,
Mo Avg= 0, 03Y lhJS
Da Max=
Mo Avg=
96 Da Max. 0,566! /
20/,C}/L Mo Avg= o,roz 'h/L
651 Da Max=
13 Mo Avg=
25
333 Da Max= SO/ w/d30,418
60 Mo Avg= 977/fL5,740
225 Da Max= 20,499
40 Mo Avg= 3,868
50
Da Max=3946 Ad 23,245
Mo Avg=?•876 !6/d 4,633
Da Max=
Mo Avg=
15,665
3,122
Da Max= g9714/J5,822
Mo Avg= no limit
Da Max=
Mo Avg=
3,923
no limit
37
74
Page 2

Facility Name:
NPDES No.:
Type of Waste:
Facility Status:
Permit Status:
Receiving Stream:
Stream Classification:
Subbasin:
County:
Regional Office:
Requester:
Date of Request
Topo Quad:
FACT SHEET FOR WASTELOAD ALLOCATION
Request #
Teledyne Allvac Wastewater Treatment Plant
NC0045993
100% Industrial
existing
renewal
Richardson Creek
C
03-07-14
Union
Mooresville NUJ'
Jay Lucas
12/20/95
H16NE
8 "%.C. DEPT. OF
ENVIRONMENT, HE I.TH,
& NATURAL RESOL::CES
JAN 31 1996
DIVISION OF ENVIRONMENTAL MAW.
a't.2RESVILLE REGIONAL OFFICE
Stream Characteristic:
USGS #
Date:
Drainage Area (mi2):
Summer 7Q10 (cfs):
Winter 7Q10 (cfs):
Average Flow (cfs):
30Q2 (cfs):
IWC (%):
02.1252.2222
11/30/88
53
0.15
0.2
45
0.5
67.4
Wasteload Allocation Summary
(approach taken, correspondence with region, EPA, etc.)
Michelle Wilson (Instream Assessment Unit) and Sean Goris (Permits and Engineering)
worked on a draft permit (WLA# 7895) in 1994-1995 which was not issued. This WLA is a
continuation of their work. For the various water quality analyses a wasteflow of 0.2 MGD is
assumed. 0.2 MGD was reported as the maximum expected flow in Teledyne's 1994 permit
application. Since 1992 the highest monthly average wasteflow has been 0.141 MGD in July '95.
The highest daily wasteflow reading was 0.19 MGD in August '95. From reviewing the
compliance monitoring reports from 1993 to present Teledyne has not had any problems
complying with their permit. They have however failed their WET test @ 19% three times since
1991. Thurman Horne (Teledyne) has expressed concerns over the Division's procedure of using
maximum wasteflow combined with 7Q10 stream flow in its analysis of water quality impacts due
to Teledyne's discharge. Mr. Horne contends that the discharge from the cooling ponds is directly
related to rain events, since the ponds receive the majority of storm water from the facility.
Therefore, he contends that maximum flow will never occur during 7Q10 conditions. Mr. Horne
has presented the Division with a comparison of rainfall and discharge using 1993 data. Based on
visual inspection there appeared to be a correlation at times and not at other times. No statistical
analysis was presented. Therefore, a design wasteflow of 0.2 MGD and a S7Q10 of 0.15 cfs will
continue to be used in this WLA.
During the November 1995 plant tour it was noted that the oil skimmer on the lower
cooling pond appeared to be functioning very poorly. Significant gaps existed between the boom
and outlet allowing oil to escape. Oil could be seen entering Richardson Creek at the end of the
effluent channel. It is recommended that the oil skimmer be upgraded or better maintained.

2
Recommended by:
Reviewed by
Instream Assessment: (20i-C-4,...
Regional Supervisor: i i' r�am!
Permits & Engineering:
Special Scheddulee Requirements and additional comments from Reviewers:
1.� 5 /41/`/ 4M %mac 4r p,,bI€#
zeof 'fetati, .
e ,f par- 41,m-60 9 0 ron.6ic
C("7lbout( 'up
Date: j
4/14/z
chitAD-y---
Date:
Date: Z/7/S 6
Date:.
RETURN TO TECHNICAL SUPPORT BY: F 2 7 1996

3
TOXICS/METALS/CONVENTIONAL PARAMETERS
Recommended Limit:
Existing Limit:
Monitoring Schedule:
Existing Limits
Flow (MGD):
Oil and Grease (mg/L):
Nickel (ug/L):
Fluoride (mg/L):
Copper (ug/L):
Zinc (ug/L):
Temperature
Chronic Toxicity:
Recommended Limits
How (MGD)
Chromium (lbs/day):
Nickel (lbs/day):
Fluoride (mg/L):
Cyanide (lbs/day):
Lead (lbs/day):
Zinc (lbs/day):
Ammonia (mg/L):
TSS (lbs/day):
Oil and Grease (mg/L):
Chronic toxicity:
pH (S.U.)
Chronic limit P/F (Qrtly) @ 67% (Qw=0.2 MGD used)
chronic limit P/F (Qrtly) @ 19% (Qw=0.0492 MGD used)
Feb, May, Aug, Nov
Monthly Avg.
monitor
10
monitor
monitor
monitor
see above
Mon. Avg.
0.007
0.015
0.037 (guideline)
0.034 (guideline)
0.10 (guideline)
2 (S)/4 (W) (WQ)
7.9 (guideline)
10
P/F @67%
6-9
Daily Max.
15
459.0
9.4
Daily Max.
monitor
0.04
0.061
2.7 (WQ)
0.045 (WQ)
0.085 (WQ)
0.56 (guideline)
39.6 (guideline)
15
6-9
Monthly Avg. Daily Max.
Weekly Avg. Daily Max.
7.4 ug/L (WQ)
37 ug/L (WQ)
27 ug/L (WQ)
51 ug/L (WQ)
Limit Changes due to:
Chromium, nickel, and TSS limits based on guidelines. In each of these cases the guideline limits
were more strict than water quality based limits. Since Zn is an action level the guideline limits are
recommended. Fluoride, cyanide, Pb, and ammonia were all water quality limited. The ammonia
limit is recommended to protects et against instream chronic toxicity. A final acute value (FAV) for
fluoride was not available therefore, weekly avgJdaily max. limits were not calculated for fluoride.
The oil and grease limits have been in Teledyne's permit since 1980. Although they are below the
typically given limit of 30 mg/L, I believe these limits are appropriate considering the amount of
stormwater the pond receives as well as the potential for receiving saw lubricant. A review of the
DMRs indicates that Teledyne has been consistently able to meet these oil and grease limits. A pH
limit of 6-9 is recommended instead of the 7.5-9 limit recommended in the draft permit. 40 CFR
420.72 (specialty steel) allows an effluent pH of 6-9. Teledyne requested this pH limit in a letter
dated Oct. 4, 1994. This pH limit was agreed upon previously in a meeting with Teledyne on
8/30/95. The WET test is based on a 7Q10 = 0.15 cfs and a wasteflow = 0.2 MGD. Water quality
based ammonia limits are recommended given the three toxicity test failures @ 19% in the past five
years.
9/U� AS oac�{rCyy� C(�p Con3idt/r � pasbi bit �w�' ' &x. ut' 11110.
rnan le III .��,, , a v w II rrottacu .
Cone
Feu- - of,ituK /dam AtM'�Q
) ACLC P� %
alp,` mot- nuts` vi7.4i hlaeiv No mart e 37 /�I j'hon Av.e
Pb 37L4 wiee4V cult itb Yriai`Q `ICY" .03 q /cd Y%%mr 4!
m

4
t�Parameter(s) are water quality limited. For some parameters, the available load capacity of
the immediate receiving water will be consumed. This may affect future water quality based
effluent limitations for additional dischargers within this portion of the watershed.
OR
No parameters are water quality limited, but this discharge may affect future allocations.
INSTREAM MONITORING REQUIREMENTS
Upstream Location: 100 feet upstream of outfall
Downstream Location: Approx. 0.3 miles downstream of outfall, but upstream of NCSR 1751.
Parameters: Temp., pH, Conductivity
Special instream monitoring locations or monitoring frequencies:
Instream nickel monitoring is no longer recommended. All instream nickel concentrations reported in thf
DMRs from 1992 through Nov. 1995 were below the detection level.
MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS
Adequacy of Existing Treatment
Has the facility demonstrated the ability to meet the proposed new limits with existing treatment
facilities? Yes No
If no, which parameters cannot be met?
Would a "phasing in" of the new limits be appropriate? Yes No
If yes, please provide a schedule (and basis for that schedule) with the regional
office recommendations:
If no, why not?
Special Instructions or Conditions
Wasteload sent to EPA? (Major) (Y or N)

5
(If yes, then attach updated evaluation of facility, including toxics analysis, modeling analysis if
modeled at renewal, and description of how it fits into basinwide plan)
Additional Information attached? (Y or N) If yes, explain with attachments.

Facility Name JGl le l l?L 41 ! vat- W ► 1 Permit # A/riOO 1/993Pipe # a
CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic Bioassay
Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or significant mortality
is 6'i % (defined as treatment two in the North Carolina procedure document). The permit holder shall perform
quarterly monitoring using this procedure to establish compliance with the permit condition. The first test will be
performed after thil-ty days. from the effective date of this permit during the months of
ff b . /'v..y, 4/0 ✓ . Effluent sampling for this testing shall be performed at the NPDES
permitted final effluent discharge below all treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form (MR-1) for the month in which it was performed, using the parameter code TGP3B.
Additionally, DEM Form AT-1 (original) is to be sent to the following address:
Attention: Environmental Sciences Branch
North Carolina Division of
Environmental Management
4401 Reedy Creek Road
Raleigh, N.C. 27607
Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in
association with the toxicity tests, as well as all dose/response data. Total residual chlorine of the effluent toxicity
sample must be measured and reported if chlorine is employed for disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly monitoring will
begin immediately until such time that a single test is passed. Upon passing, this monthly test requirement will
revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina Division of
Environmental Management indicate potential impacts to the receiving stream, this permit may be re -opened and
modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism
survival and appropriate environmental controls, shall constitute an invalid test and will require immediate
retesting(within 30 days of initial monitoring event). Failure to submit suitable test results will constitute
noncompliance with monitoring requirements.
7Q10 (/ / S cfs
Self r--P-Flow 0, ao MGD Recommended by:
tdadfe IWC L, b Y % 7
Basin & Sub -basin 0307` l dre24,,,,f/ A if? t
Receiving Stream / kh.,, cit.
County liniirn. Date //23/9�
QCL P/F Version 9/91

kdifY J)IryAf-/ / /0
A/C0..0yS993
/ cAiit ldso1, (k
67 Wzi wcc g uy./06;/ mom, li rT�
w/// / cJu/2I f 67a n2 r,4 Otij P6. A
aafelt (Z'C 7 ILL 7 II tLL / /7 w(
41174 111 Olt,
G✓e e - aw T /777 d 9% e27s71/ea44.,
CYo'lliC�UX1G �u dr/2-/5
-7;ir -t Gr lee /91
cr,oar-L
3 7
,,a(eek,. /0), cdhu4,tt�✓
%7 �
6,4z.
4Ux?G. .yreddtediXr
-/
06- fL 702/4/t/.
(5-4‹ )7-idecto,/ev r
pw4i clAy Adt 41/Ivide/e/L-
TA "mb, 041,dati (;/ .9/cp /t16/
eory,70 /1 Cu( /r,(1, f[ I
lovvi f4 At / 4//- /1497 fit At e
aseahatta GSi I) 7//A€

c✓a±,Ly rytax. G�m�t � yeAto- //bovil Nte acuX, God,
Num /1/1 arm h& Asd.
otlil Uhl Gz�;�dai
l�
(zrwczA0)
//a 51
rm'
db,
mity C /0/Ailz =1-- 27 1/ L, (quill to 0.(8510,,i,
a�>� via = y * z2u�G = 32?/�
9i'w/4< act f� �� ma<% G;fri;a` 077/7/t
wit( /zc. uae
Wo, �a
I (5 it' 7 /L 37 /L
(mt
090 31*
fc0,7/41./L
(6/ww /0 00a5/001)
lli/ti. 114 /0/X ACat 14. 446t Ala 57)/7/1/
91 s7,,,ii/L 6140 he- u,ad.

TOXICS/METALS/CONVENTIONAL PARAMETERS
Recommended Limit:
Existing Limit:
Monitoring Schedule:
Existing Limits
Flow (MGD):
Oil and Grease (mg/L):
Nickel (ug/L):
Fluoride (mg/L):
Copper (ug/L):
Zinc (ug/L):
Temperature
Chronic Toxicity:
Recommended Limits
Flow (MGD)
Chromium (lbs/day):
Nickel (lbs/day):
Fluoride (mg/L):
Cyanide (Ibs/day):
Lead (Ibs/day):
Zinc (lbs/day):
Ammonia (mg/L):
TSS (lbs/day):
Oil and Grease (mg/L):
Chronic toxicity:
pH (S.U.)
Limit Changes due to:
Chronic limit P/F (Qrtly) @ 67% (Qw�.2 MGD used)
chronic limit P/F (Qrtly) @ 19% (Qw�.0492 MGD used)
Feb, May, Aug, Nov
Monthly Avg.
monitor
10
monitor
monitor
monitor
see above
Mon. Avg.
0.007
0.015
0.037 (guideline)
0.034 (guideline)
0.10 (guideline)
2 (S)/4 (W) (WQ)
7.9 (guideline)
10
P/F @ 67%
6-9
Daily Max.
15
459.0
9.4
Daily Max.
monitor
0.04
0.061
2.7 (WQ)
0.055 (WQ)
0.085 (WQ)
0.16 (WQ) ;rL
(," 0'-
39.6 (guideline)
15
6-9
Monthly Avg. Daily Max.
Weekly Avg.
Daily Max.
7.4 ug/L (WQ) 33 ug/L (WQ)
37 ug/L (WQ) 51 ug/L (WQ)
Chromium, nickel, and TSS limits based on guidelines. In each of these cars the uideline limiter �y�
were more strict than water quality based limits. Fluoride, cyanide, Pb, ammotua were all
water quality limited. The ammonia limit is recommended to protected against instream chronic
toxicity. A final acute value (FAV) for fluoride was not available therefore, weekly avgJdaily
max. limits were not calculated for fluoride. The oil and grease limits have been in Teledyne's
permit since 1980. Although they are below the typically given limit of 30 mg/L, I believe these �1-
limits are appropriate considering the amount of stormwater the pond receives as well as the
potential for receiving saw lubricant. A review of the DMRs indicates that Teledyne has been
consistently able to meet these oil and grease limits. A pH limit of 6-9 is recommended instead of
the 7.5-9 limit recommended in the draft permit. 40 CFR 420.72 (specialty steel) allows an
effluent pH of 6-9. Teledyne requested this pH limit in a letter dated Oct. 4, 1994. This pH limit
was agreed upon previously in a meeting with Teledyne on 8/30/95. The WET test is based on a
7Q10 = 0.15 cfs and a wasteflow = 0.2 MGD. Water quality based ammonia limits are
recommended given the three toxicity test failures @ 19% in the past five years.

A
Ad° W ..(,t,Y1 J r Zi 66) gi r c5 an a_ce-n Z/ ruc.,
'100l he i'c/e L.nj 1,014,:-15
_. Cola n,c,o(e KYi / 7 Sri- wic A/4 or
FA V : C14't,)-i.o-n tuitA. to-v- A r4 y Jam, . c e� �� o'� 3-0u1/494.
low(r

TOXICANT ANALYSIS
hout juitiAbiLL,
`irM►t has (11 9 ! ---�
1,,11; f bud int W62
L, „,3 f hr4', wa —�
L, ►4„t haM-ei fti Gige-�
L, iti11 f WI
kad ark i3PT ---�
lr✓d
Facility Name !Teledyne Allvac i
NPDES#•NC0045993 i
Qw (MGD)
0.2
7Q10s (cfs)
0.1 5i
Rec'ving Stream
Richardson Creek
Stream Class
C
FINAL RESULTS
Gedmium—
#DIV/0!
Max. Pred Cw
#DIV/0!
Allowable Cw
3.0
Chromium
#DIV/01
Max. Pred Cw
#DIV/0!
Allowable Cw
74.2
Nickel
OK l
Max. Pred Cw
59.37811256i
Allowable Cw
130.6!
Cyanide
#DIV/0!
Max. Pred Cw
#DIV/0! .. _
Allowable Cw
7.4!
er
MONITOR
Max. Pred Cw
1069.0061231
10.4i
Allowable Cw
Zinc
MONITOR
Max. Pred Cw
318.302668''
Allowable Cw
74.21
#DIV/01
Lead
Max. Pred Cw
#DIV/0!
Allowable Cw
37.1
Arsenic
#DIV/0! '
Max. Pred Cw
#DIV/01
Allowable Cw
74.2i
i-
Silver—
#DIV/01 i
Max. Pred Cw
#DIV/01 I
i
Allowable Cw
0,1 i
Mercury--
#DIV/0!
Max. Pred Cw
#DIV/01 '
Allowable Cw
0.0i
r
Fluoride
OK I
Max. Pred Cw
2586.7147261
Allowable Cw
2671.01
Oil & Grease
LIMIT
Max. Pred Cw
95671.16662
Allowable Cw
44516.1
Based on DMR data from 1992-1995 (thru Nov.)
AHM
f
1/18/96
PAGE'

TOXICANT ANALYSIS
'arameter -
Standard =
Nickel
88
µ9n
n
BDL=1/2DL
Actual Data,
RESULTS
1
2.5
<5
Std Dev.
6.883
2
3
2.5
2.5
<5
<5
Mean
C.V.
23.94
0.288
4
2.5
<5
5
6
7
25
2.5
25
<50
<5
<50
Mult Factor=
Max. Value
1.2
50
8
9
2.5
25
<5
<50
Max. Pred Cw
Allowable Cw
59.38 µg.1
130.6 µg/l
10
25
<50
11
25
<50
12
13
25
25
<50
<50
Linear Interpol. of MF
14
25
<50
C.V.
0.288
15
25
<50
C.V. lo
0.2
16
17
25
25
<50
<50
C. V. hi
MFhi
0.3
1.2
18
19
20
25
25
25
<50
<50
<50
MFIo
M F=
1.2
21
25
<50
22
25
<50
23
25
<50
24
25
<50
25
25
<50
26
25
<50
27
25
<50
28
25
<50
29
25
<50
30
25
<50
31
25
<50
32
25
<50
33
25
<50
34
25
<50
35
25
<50
36
25
<50
37
25
<50
38
25
<50
39
25
<50
40
25
<50
41
25
<50
42
25
<50
43
25
<50
44
25
<50
45
25
<50
46
25
<50
47
25
<50
48
25
<50
49
25
<50
50
25
<50
51
25
<50
52
25
<50
53
54
55
25
25
25
<50
<50
<50
56
25
<50
57
25
<50
58
25
<50
1/18/96 PAGE

f coIIf'
TOXICANT ANALYSIS
59
60
61
25
25
25
<50
<50
<50
62
25
<50
63
25
<50
64
25
<50
65
25
<50
66
25
<50
67
25
<50
68
25
<50
69
25
<50
70
25
<50
71
25
>50
72
73
74
10
25
25
<20
>50
>50
75
25
>50
76
25
>50
77
25
>50
78
25
>50
79
25
>50
80
25
>50
81
50
50
82
50
50
83
25
>50
84
25
>50
85
25
>50
86
25
>50
87
25
>50
88
25
>50
89
25
>50
90
25
>50
91
25
>50
92
25
>50
93
25
>50
94
25
>50
95
1/18/96 PAGE

TOXICANT ANALYSIS
Parameter =
Copper
Standard = ; 7
n
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
BDL=1/2DL
20
10
10
10
10
10
20
20
10
20
40
70
10
10
80
40
40
10
10
10
10
50
10
80
10
10
50
10
10
10
10
30
10
20
50
350
280
200
120
150
20
10
20
10
50
40
30
Actual Data
20
<20
<20
<20
<20
<20
20
20
<20
20
40
70
<20
<20
80
40
40
<20
<20
<20
<20
50
<20
80
<20
<20
50
<20
<20
<20
<20
30
<20
20
50
350
280
200
120
150
20
<20
20
<20
50
40
30
RESULTS
Std Dev.
Mean
C.V.
Mult Factor =
Max. Value
Max. Pred Cw
Allowable Cw
Linear Interpol. of MF
C.V.
C.V. to
C. V. hi
MFhi
MFIo
MF=
69.7783
44.8936
1.5543
3.1
350
1069.01
10.4
1.5543
1.5
1.6
3.1
1/18/96
PAGE'

TOXICANT ANALYSIS
Parameter Zinc
Standard = 50
µ9�
n
BD L=1/2DL
Actual Data
RESULTS
1
20
20
Std Dev.
37.7378
2
20
20
Mean
43.8298
3
20
20
C.V.
0.86101
4
20
20
5
10
<20
6
40
40
Mult Factor =
2.1
7
20
20
Max. Value
150
8
40
40
Max. Pred Cw
318.303
9
50
50
Allowable Cw
74.2
10
20
20
11
60
60
12
13
120
10
<20
120
Linear Interpol. of MF
14
10
<20
C.V.
0.86101
15
60
60
C.V. lo
0.8
16
40
40
C. V. hi
0.9
17
40
40
MFhi 2.2
18
19
40
10
40
<20
MFIo 2'
MF= 2.1
20
10
<20
21
20
20
22
40
40
23
10
<20
24
80
80
25
50
50
26
60
60
27
60
50
28
10
<20
29
10
<20
30
10
<20
31
20
20
32
33
10
10
<20
<20
34
60
60
35
150
150
36
140
140
37
120
120
38
39
80
20
80
20
40
100
100
41
120
120
42
10
<20
43
50
50
44
10
<20
45
60
60
46
40
40
47
50
50
48
1/18/96 PAGE '

TOXICANT ANALYSIS
Parameter
Standard -
Fluoride
1800
µ9n
n
BDL=1/2DL
Actual Data
RESULTS
1
1000
1000
Std Dev.
347.48
2
3
840
940
840
940
Mean
C.V.
883.36
0,3934
4
1050
1050
5
840
840
6
950
950
Mutt Factor
1.3
7
8
1100
980
1100
980
Max. Value
Max. Prod Cw
2000
2586.7
µ91
9
1300
1300
Allowable Cw
2671.0
10
2000
2000
11
950
950
12
13
1300
560
1300
560
Linear Interpol. of MF
14
1200
1200
C.V.
0.3934
15
580
580
C.V. lo
0.3
16
1050
1050
C. V. hi
0.4
17
1100
1100
MFhi
1.3i
18
760
760
MFlo
1.2
19
700
700
MF=
1.3
20
500
500
21
900
900
22
600
600
23
680
680
24
66
66
25
540
540
26
560
560
27
480
480
28
660
660
29
900
900
30
31
32
1000
1000
660
1000
1000
660
33
820
820
34
700
700
35
1700
1700
36
1400
1400
37
1300
1300
38
1400
1400
39
1200
1200
40
1100
1100
41
1000
1000
42
660
660
43
1200
1200
44
1200
1200
45
1150
1150
46
1100
1100
47
740
740
48
500
500
49
380
380
50
600
600
51
420
420
52
440
440
53
450
450
54
560
560
55
550
550
56
620
620
57
700
700
58
620
620
1/18/96 PAGE •

1I u'IYi Ck,
TOXICANT ANALYSIS
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
720
560
800
1150
1500
850
760
840
800
1400
1800
660
980
1020
1050
1130
1050
950
1000
900
950
1000
1050
800
200
300
1600
760
820
1400
1100
760
720
560
470
370
720
560
800
1150
1500
850
760
840
800
1400
1800
660
980
1020
1050
1130
1050
950
1000
900
950
1000
1050
800
200
300
1600
760
820
1400
1100
760
720
560
470
370
1/18/96 PAGE

TOXICANT ANALYSIS
'arameter=
Oil & Grease
Standard =
30000
µg/I
n
BDL=1/2DL
Actual Data
RESULTS
1
500
<1000
Std Dev.
4471
2
500
<1000
Mean
2380.9
3
1000
1000
C.V.
1.8779
4
13200
13200
5
2500
2500
6
2300
2300
Mult Factor =
2.3
7
3700
3700
Max. Value
42000
µgA
8
3900
3900
Max. Pred Cw
95671
µg/1
9
1100
1100
Allowable Cw
44516
µg/1
10
2500
2500
11
1300
1300
12
1700
1700
Linear Interpol. of MF
13
2800
2800
14
3600
3600
C.V.
1.8779
15
2300
2300
C.V.Io
1.8
16
3000
3000
C. V. hi
1.9
17
3900
3900
MFhi
2.3i
18
2800
2800
MFio
r 2.2
19
1100
1100
MF=
2.3
20
1500
1500
21
1900
1900
22
3000
3000
23
2600
2600
24
500
<1000
25
3200
3200
26
500
<1000
27
1500
1500
28
2400
2400
29
1600
1600
30
500
<1000
31
1300
1300
32
500
<1000
33
1600
1600
34
500
<1000
35
500
<1000
36
1800
1800
37
1600
1600
38
1900
1900
39
500
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40
1900
1900
41
1600
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42
500
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43
500
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44
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1800
1800
46
2100
2100
47
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48
500
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49
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1200
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51
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54
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55
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56
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1/18/96 PAGE

ru-b &r,yAm,
TOXICANT ANALYSIS
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2000
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63
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90
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91
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94
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1/18/96
PAGE

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Richardson Creek
NC0045993
Residual Chlorine
7Q10 (CFS)
DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (UG/L)
UPS BACKGROUND LEVEL (UG/L)
IWC (%)
Allowable Concentration (ug/1)
Fecal Limit
Ratio of 1.48 :1
Ammonia as NH3
(summer)
0.15 S7Q10 (CFS) 0.15
0.2 DESIGN FLOW (MGD) 0.2
0.31 DESIGN FLOW (CFS) 0.31
17.0 STREAM STD (MG/L) 1.0
0 UPS BACKGROUND LEVEL (MG/L) 0.22
67.39 % IWC (%) 67.4 %
25 Allowable Concentration (mg/I) -1:38�7
NBOD (mg/I) = 6.20
Ammonia as NH3
(winter)
W7Q10 (CFS) 0.2
200/100m1 DESIGN FLOW (MGD) 0.2
DESIGN FLOW (CFS) 0.31
STREAM STD (MG/L) 1.8
UPS BACKGROUND LEVEL (MG/L) 0.22
IWC (%) 60.8 %
Allowable Concentration (mg/I) �:82 al 1 n/f/_
NBOD (mg/I) = 12.69

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Teledyne Allvac
NC0045993
FLOW HISTORY
1/9/88 First WLA was completed using:
Limits Given
USGS # 2.1252.2222 '88 Wasteflow 0.288 mgd
DA=53mi2 Fluoride 2.4 mg/1
S7Q10=0.15cfs Nickel 67 ug/1
W7Q10=0.2cfs Oil and Grease 15 mg/1
30Q2=0.5cfs pH 6-9 (SU)
QA=45cfs IWC 88%
3 / 6 / 8 9 Second WLA completed: wrong Wasteflow, limits
recalculated:
Limits Given
Wasteflow 0.124 mgd
Fluoride 3.2 mg/1
Nickel 89 ug/1
Oil and Grease 15 mg/1
pH 6-9 (SU)
IWC 56%
4 / 2 8 / 8 9 Letter To Thurman Horne; From H. Curtis Gunter:
Enclosed a printout showing streamflow data used
to estimate low flow data at Richardson Creek at Southern Coast
Line Railroad at Moncure, N.C.
5 / 2 6 / 8 9 Letter To Arthur Mouberry @ DEM; From Thurman Horne:
Concerned about Nickel mostly and Fluoride limit.
Wants DEM to use average flow to calculate limits; because,
they claim they do not discharge during low flow periods.
Claim discharge from ponds occurs during conditions of
ground saturation which corresponds to wet weather
conditions. "When there are drought conditions, our overflow
ceases. As such, we can not discharge to the receiving stream
under S7Q10 conditions."
10 / 3 0 / 8 9 Letter To Thurman Horne From R. Paul Wilms:
DEM response to 5/26/89 from Teledyne Allvac.
Explained where more stringent limits came from; originally,
30Q2 was used to determine limits. However, suppose to use
S7Q10 [15NCAC 2B .0206 (a) (3)] states that "other established
1

modelling techniques. . . may be approved if it can be shown to
be satisfaction of the director. . .protection of aquatic life.
1 1 / 21 / 8 9 FAX To Ms. Lula Harris From Thurman Horne:
Mr. Horne was informed that Monroe WLA was
based on an estimated S7Q10 of 0.006 cfs/mi2 or 0.43 cfs for
their 71.7 mi2 drainage area. Since Monroe is only 2.5 miles
downstream from Teledyne Allvac, Mr. Horne feels 0.006
cfs/mi2 should be used to determine their limits. "We ask that
you recognize that we are only asking for equal consideration
and that the published data supports the use of a
conservative estimate of 0.006 cfs/mi2 for our location (0.32
cfs)." Argue that they do not discharge during low flow; "
therefore, it is not reasonable to base our limitations on a
highest monthly average discharge versus lowest stream flow
conditions. If we must be evaluated based on 7Q10 conditions,
then surely we should use a more realistic discharge flow. "
Mr. Horne wants us to use the minimum monthly average flow
since this would be the closest to representing discharge rates
at 7Q10 conditions. They would be content with using the
monthly average flow = 0.0492 mgd. Quote:"allowed to use
other modelling techniques. . " sentence.
1 1 / 3 0/8 9 FAX To Thomas Stockton From Mr. Horne:
FYI, evidence to support their argument about
their discharge during low flow conditions. EPA APDES
Compliance inspection report dated 10/27/87: "This facility
(Teledyne Allvac) experiences a discharge only after
significant rainfall events. The majority of the Water is
recycled back into the plant."
1 1/ 3 0/ 8 9 USGS Request # 8548
USGS agreed to comply with Mr. Horne's suggestion
that the flow estimates at the Teledyne Allvac discharge
location change to reflect the higher yield estimates at the
Monroe discharge. However, the estimates used for Monroe
also include Monroe's effluent.
Station # 0212522222
DA = 53 mi2
QA = 45 cfs
S7Q10 = 0.32cfs
30Q2 = 1.3cfs
W7Q10 = 0.7 cfs

Average flow estimate is based entirely on runoff observed at
nearby streams and therefore, no degree of reliability is
attached. All other flow estimates are based on records
collected at or near the site, and the range indicates app.
interval in which the actual value may lie. These data reflect
natural streamflow conditions and do not account for the
effects of any diversion or regulation that may be present,
However, values submitted could be in considerable error due
to impoundment upstream in Lake Lee.
12 / 7 / 8 9 Notes in File from Carla Sanderson:
Response to 11/4/89 Meeting with Teledyne
representatives and DEM representatives. Ms. Sanderson
revised the limits using Qw= 0.049 mgd and S7Q 10= 0.32 cfs.
New Limits:
Fluoride 9.4 mg/1
Nickel 459 ug/1
Oil and Grease 15 mg/1
PH 6-9 (SU)
12/15 / 8 9 Note To File From Carla Sanderson:
Mr. Horne rejects flow parameter (0.049 mgd) as a limit
in permit.
12 / 1 8 / 8 9 Note To File From Carla Sanderson:
The flow limit was kept out of the permit and
a flow study on Richardson Creek was implemented as a special
condition of the permit. Also, monitoring for Nickel instream
will be required.
12/22/89 Letter To Mr. Horne From DEM prepared by Ms.
Sanderson:
Informed them of their new limits (above) and
special conditions that will be in their NPDES permit.
4/ 1 1/ 9 0 PERMIT ISSUED
7 / 2 0 / 9 0 Letter To DEM Gentlemen From Mr. Horne:
Enclosed a proposal for the method of measuring
and determining flow in Richardson Creek.
I

7 / 3 0 / 9 0 Memo To Ms. Sanderson From Trevor Clements:
"Please review the permit requirement and
determine if submitted material suffices. No need for Teledyne
to compute new flow statistics as we will require that all
statistics be generated by the USGS.
7 / 3 0 / 9 0 Letter To Gunter (USGS) From Trevor Clements:
Please review Teledyne's proposed plan for
streamflow measurement on Richardson Creek. Enclosed copy
of proposal.
7 / 3 1 / 9 0 Letter To Mr. Horne From Trevor Clements:
Asked for Teledyne Allvac to send a copy of a map
indicating the location of the proposed flow measurement.
8/2/9 0 Letter To Trevor Clements From H. Curtis Gunter:
Reviewed plan submitted by Teledyne Allvac to
make base -flow measurements at a site on Richardson Creek.
Concerns: Flow in Richardson Creek is derived from
groundwater and leakage from Lake Lee. Usual correlation
procedure with nearby index stations is inappropriate for the
site on Richardson Creek. Leakage from reservoir artificially
augments the flow. Stream appears to be pooled upstream and
downstream, creating slow velocity conditions.
8/6/9 0 Letter To Mr. Clements From Mr. Horne:
A map indicating the location of the proposed flow
measurement.
8/9 / 9 0 Letter To Mr. Horne From Trevor Clements:
Subject: Stream Flow Measurement Plan. Previous
agreed upon procedure wasn't appropriate for this site due to
unnatural conditions in Richardson Creek (i.e., leakage from
dam). Alternative procedure given. The comparison method:
An index site (02146900-12 mile Creek at Waxhaw) can be
used to compare flows. 12-mile Creek has to be at 7Q10s
levels.
2/21 /91 Conversation With Ms. Sanderson and Mr. Horne:
Mr. Horne said he was confused about what to do
after the 8/9 Memo. (But he didn't make any effort to clarify
the low -flow study plan) He said he will call Curtis Gunter
from USGS.
a

2/2 1 / 91 Letter To Thurman Horne From Carla Sanderson:
Enclosed 8/2/90 Letter From Curtis Gunter.
4/2/91 Memo To File From 4/2/91 Meeting
Meeting was to Clear up low flow procedure.
4/9/91 Letter To Carla Sanderson From Thurman Horne:
Summarized the meeting and His understanding of
Low Flow requirements and methods.
4 / 1 8/9 0 Phone Conversation with Ms. Sanderson and Mr. Gunter:
He said methodology looks good but that Mr. Horne
needs to contact Harold Eddins at [phone].
4 / 1 8 / 9 0 Phone Conversation with Ms. Sanderson and Mr. Horne:
Ms. Sanderson informed Mr. Horne that he needs to
contact Harold Eddins monthly.(at least) to determine when the
flows are approaching S7Q10 conditions.
5 / 2 / 91 Letter To Carla Sanderson From Thurman Horne:
Letter about contact with Mr. Eddins and plans to
"keep in touch". In letter he reassures Ms. Sanderson that he is
eager to do study; but, low flow conditions do not exist.
1 1 /21/9 1 Memo To file From Ms. Sanderson:
Sanderson called Harold Eddins concerning 7Q10 in
Richardson Creek. He informed her that Richardson Creek was
not under low flow conditions. He, also said leakage from Lake
Lee dam will always be so great that flows will always be in
Richardson Creek.
8 / 2 5 / 9 3 Letter To Don Safrit From John Salkowski (Cooper
Environmental):
Enclosed were Procedures for Projecting low flow
statistics at Teledyne-Allvac/Vasco Monroe, NC Facility (CEI
Project #93171). Cover letter asked to review proposal.

9 / 1 3 / 9 3 Letter to Mr. Salkowski From Thomas Zembrzuski
(Hydrologist):
Response to Proposal sent on 8/25/93.
1) It is not necessary to install stream level gages at each
culvert intersection for making discharge measurements.
Adequate measurements of stream depth would be obtained
while you are making the discharge measurements.
2) To be sure the individual culvert discharge
measurements aren't biased, velocity should be measured in
three subsections in each culvert. The incremental discharge of
each subsection would be added together to obtain the total
discharge of each culvert.
3)Suggest that he observe and note the water level of
Lake Lee with respect to the crest of the dam whenever
streamflow measurements are made. Documentation of any
observed leakage (photos, videotape), as well as information
can be obtained about ownership, regulation and use of Lake
Lee would also be helpful is assessing this unique situation.
9 / 2 3 / 9 3 Letter To Mr. Salkowski From Carla Sanderson:
Response to 8/25/93 letter (proposal). Letter
expressed concerns that Teledyne representatives were not
contacting Harold Eddins, as planned, during critical
conditions.
10 / 7 / 9 3 Sticky in File From Ms. Sanderson:
Boo Richardson from USGS said flow is so low that
sampling further downstream will be necessary. As of 7/5/94
this is the last correspondence in WLA file.
A

S�F^r"mountain Utilities
NC0022900/00I 13egin:9/1N3
trENF TOXICITY TESTING 0[SELF-MONITORING SUMMARY] Mon. Dcc 18, I995
YFAk TAN
Y 91 Pass
92 Pass
PF3(M CHR LIM: 72%; WHEN PF 1.0 CIIR LIM 84%
Frequency: Q P/1 A Jan Apr Jul Oct NonComp:SlNGL1
FEB MAR AI'R MAY JUN
Pass -
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JUL
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Fall
AUG
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---
Swift Textiles PERM 4811R 1_C50 AC I.IM: 66% (CIHRMO OR DA P?I).
NC0001406/001 Begin:4/1/94 Fnsluency: Q A Jan Apr Jul Oct NonComp:SINGLE
County:lin:nett Region: FRO Suhhn•in: CI'P13
PF:2.50 - Special
7010: 580 1\V1'('3.} 0 rm tk.kr:
91 88.1' --
92 38.39' 56.21'
93 >090' --
94 Lale.>08.78' 81.30'
95 5431' I 73'
---
56.21'
•••
71.25'
41 00',73'
94.7'
68.64'
80.70'
71.25'
1 00.34'
---
89.87'
--•
71.36'
45.77'
--
-•
63.01',73.5'
42.04
70.71'
98.81'
66.44'
59.48'
73.37
53.36'
69.14'
40
Nl
40'
05 10
69.0'
83.44'
40.0'
38.93'
73
30.07'(s)
48.18'1
08.03'
52.73'1
Swart-E.ckrlclr, Inc. PERM C1111 1.IM: 57%
NC0003344/001 Begin:9/1/92 Frequency: Q P/F A Mar Jun Scp Dec
Counly:Duplin Region: WIRO Subbasin:CPF22
PF:1.5 Special
7Q10: 1.77 IWC(%) 57 Order.
NonComp:
01 ...
92 Fai
93 NRlFail
94 »
-
..-
-.
NR/Pass
-
_.
.»
NR/Pass
Pass
Pass
Pass
---
-•
-•
_-
-
--
--
Pass
Paae
Pass
_
-
-
-
_
-
-
-
Pass
Pass
NR/Feil
-•-
-
FM
F
-
-
NR/Fall
Pass
Pass(
Tither City PERM CIIR I.IM: 90%
NC0026000/001 Begin:1/1/95 Frequency: Q Pm A Mar Jun Sep Dec
County:Columbus Region: WIRO Subbasin:LUM57
PF:1.1 Special
7Q10: 0.00 IWC(%): 107 Order
NonComp:SINGLE
91 -
92 Pisa
03 -
94 NR/Fad
95 -
-
-•
-
Pass
-
Pass
Fail
Pass
Fail
Pass
--
Fail
-
Fail
-
•-•
Pass
-
Pass
-
Fail
Pass
Fail
Pass
Pass
Fall
-
Pass
-
FM
-
-
-
Pass
Pass
Pass
Late
Pass
Pass
-
--
Fan
Pass
Fail
Pass
Tekede Chemical Products PERM: 241IR P/F AC LIM 90% 1•TIID; AFTER DIFFUSER & Y 91 Fat
NC0059234/001 Begin: I/1/95 Frequency: Q A Feb May Aug Nov NonComp:SINGLF_ 92 PI.Pmy
County: New Hanover Region: WIRO Subbasin: CPF17 93 Fail
PF:0.444 Special 94 6.3.Failf
7QI0: 918.0 IWC(%):0.07 Order 95 FaiS
Fall?
PI.Pn-
Fail
Fail?
Fetll
Fail?
FI,Pmy
Fait!
Faill
Failf
Falll.bt
Passl,Pass
Passl,1.731
Fe111
Fain
M1 ..-,r -
Passl,Fallmy Fa?II,FaAmy
Failf.6.31 F6lll,e0.3
Fad? Felt?
Fail Fag
-.
FalU,Fellmy
Fa16,1.7)
Fall?
Fall
PA
Fa01,Fai?my
3.87.3.871
Fall?
5.7
-
Fad?,Fallmy
Fa41,3.871
Faii
2.8
FI, Frey PI,Frny
Passmy. Pa.s' 58.731
Passt.1 '_ • Fe11?.3.871
Passl Fall!
11.3
Pf,Pmy
Bt,B1.38.731
3.87.Fe181
Fall!
Tarboro W WTI' Perm chr lira: 8.0%
NC0020605/001 Begin:6/I/95 Frequency; Q WV A Jnn Apr Jul Oct
County:I54gcconrbe Region: RRO Subbasin: TAR03
PF:5.0 Special
7Q10: 90.0 IWC(%):8.0
NonComp:Single
Y 91 Pass
92 Pass
93 Pass
94 Pass
95 Pass
-
••-
-
-
•-
--
--
•••
•--
---
NE
Pass
Pass
Late
Pass
-
-
•---
Pass
•--
Pass
-
-
-
Pass
Pass
Pass
Pass
Pass
--
--
--
-
-
-
-
-
-
Pass
Pass
Pass
Pass
Pass
- -
-
-
-_
Taylorsville WWTP Perm chr lim: 4.4%
NC0026271/001 Begin:7/1/95 Frequency: Q WI' A Jan Apr Jul Oct
County:Akxand.r Region:MRO Subhnsin:C1B32
.43 special
7010: 14.4 IWC(%):4.4 Order.
NonComp:Single
01 -
92 -
93 -
94 -
OS --
_-
---
._.
».
_•
.-.
..
---
-
._.
--,
._.
_-
...
-..
-•-
-
-
__.
-
--
-
-
-
-
Pass
-
-
-
-
-
--
--.
-•
--
-- -
__.
Fall
-
-
---
-
-
-
.--
-.
r.Ie.Iyne•Allvnr I'I(ItM ('IIIR MOW: (al.0;11A(1I
N( OW599.1/00I Ileghc5/1/V0 1ltequency: V 1'/1' A 14+May Aug Nov
C:ounty:Union Region: MR0 Subbnsin: YAD14
PI,: 0.9 Special
7Q10 0.32 IWC(%): 19 Order95
Non(' lc
o1 •••
IL? -•-
03 ---
D4 ...
..-
no
Pass
Passe
Pass
Pass
rnn.
...
---
•-
-
-•-
_-
-
---
-
real,
Ian.•
111
NFI/Pass
Pess
...
•.•
---
Leto
•••
--
..
Pass
-
-
Tana
fall
Fall
Pass
Pass
---
I'•••
Pass
---
--
•-.
...
•-.
•-•
Pax.
Pn••
Pan•...
Pass
'I'exaco Reflning/Slar Enterprise PERM: 2411R AC MONIT EPIS FTIID (GRAB)
NC0022209/001 13cgin:9/I/91 Fn..prcncy:5OWD/A NonComp:
County:Guilfonl Region: WSRO Subbasin: CPIr08
PF: Special
7Q10: 0.00 IWC(%): 100.00 OtdCi
91 N
92 >90
93 AO
94 >1001
95 -
•-
--
-
-
-
__
.-
-.,
__.
_
_-
--
--,
---
_.
-
...
_
_
_
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___
--
..
.
-
_
-
-
-
-
-
-
-
_
._-
•--
._
-
-
-
-
-_
-
-
Textron, Inc. Penn chr lim: 66%
;1C0084662/00l Begin:6/IP)S liaquency: Q WV A Jnn Apr Jul (1ct
County:Gaaton Region: MRO Suhbnsin: CFO
PF:0.30 Special
7Q10: IWC(%):66 On1er.
NonComp:Single
91 -
D2 •-
g3 ...
94 -
95 -
--
._
.-
-
_
.._
._
...
---
-
.--
..,
_
-
._.
-
-.
_
_
•-•
-
_
_
_
NR/Paas
-
-
_
-
.-
-
-
--
-
Pass
-
-
.-
-
Thomasville Furniture Perm chr Tim: 90%
NC0084816/0Ol Begin:8/1/95 Frequency: Q P/F A Jan Apr Jul Oct
County:Guilford Rcgion:WSRO Subbasin:Cl'1r09
PP:0.0288 Special
7Q10: 0.0 IWC(%):100 Order
NonComp:Single
91 --
92 -
03 --•
94 -
95
-
-
--
-
-
...
._
...
_-
.._
._.
-
-
.-.
-_
.._
-
-
,_
...
-
u
-
-
-
_
-
--
__
"'
,.
_
-
-
-
-
-
0 2 consecutive failures = significant noncompliance Y I'm 1991 1)ata Available
LEGEND:
PI]iM = Permit Requirement LET = Administrative Letter - Target Frequency = Monitoring frequency: Q- Quarterly: M• Monthly; BM• Bi:readily; SA- Semiannually; A• Annually; OWD- Only when discharging; D- Discontinued monitoring rctryircmenl; IS Conducting independent study
Begin = First month required 7Q10 = Receiving stream low flow criterion (cfs) A = quarterly monitoring increases to monthly upon single fai'tac Months that testing must occur • ex. JAN,APRJUT.,OCT NonComp = Current Compliance Requirement
PF= Permitted flow (MGD) IWC% = Instrcanr waste concentration P/F = Pass/Fail chronic test AC = Acute CIIR = axon ic
Data Notation: f - Fathead Minnow; • . Ccriodabhnia sn.: my . Mvsid shrimp: ChV - Chronic value: P • Mortality of staled percent/tee at hiclrest concestralion; n1 • Perforated by DEM Tox I1val Group: bl - Bad test
Repturing Notation: --- = Data not required; NR - Not reported; ( ) - Beginning of ()names Facility Activity Status: I • Inactive, N Newly Tssued(fo sns?mct): I1 - Active but not discharging; 1-More data available for month in question [= ()RC signature nccdci