NC0004626_Regional Office Historical File Pre 2016

Carter, Jenifer
From: Moten, Eric <[e-mail]>
Sent: Friday, September 11, 2015 8:35 AM
To: Carter, Jenifer
Cc: Tinsley, Brigette
Subject: By-pass
Jenifer,
We have completed all repairs that was needed on our carbon system we were in By-pass on 9/9/2015 from 0740 to
1440 and then back online, by-pass again on 9/10/15 at 0730 to 1300. We did not have the system in by pass while we
were not on site to monitor it appropriately. If you have any question please feel free to contact me.
Thanks
Eric Moten
Wastewater Treatment Specialist/ ORC
Enterprise Excellence / EHS
Fiber Glass / Lexington
473 New Jersey Church Road
Lexington, NC, USA 27292
Tel: [phone] ext. 3210
Fax: [phone]
E-Mail: moten(cD_ppq.com
Web: www.ppq.com

Carter, Jenifer
From:
Moten, Eric <[e-mail]>
Sent:
Wednesday, September 09, 2015 7:55 AM
To:
Carter, Jenifer
Cc:
Tinsley, Brigette
Subject:
By-pass to Lake
Jenifer,
I called and left a voicemail on your office line this morning in reference to our carbon system. We are having some
electrical issues that we have to get fixed, which is the reason we are in by-pass mode. We went into by-pass mode at
740am on 9/9/2015, we will be working as quickly as possible to put the system back in normal operation. We will
inform you as soon as we are back in normal operation.
Eric Moten
Wastewater Treatment Specialist/ ORC
Enterprise Excellence / EHS
Fiber Glass / Lexington
473 New Jersey Church Road
Lexington, NC, USA 27292
Tel: [phone] ext. 3210
Fax: [phone]
E-Mail: moten(a-)_ppg.com
Web: www.ppq.com

Carter, Jenifer
From: Carter, Jenifer
Sent: Friday, August 28, 2015 10:45 AM
To: 'Tinsley, Brigette'
Subject: RE: Toxicity Test Report
I really think it is because, for the first of two samples, the leftover sample was not poured up until I got there, meaning
there was headspace in the sample. I should have sent my sample container to your lab and instructed them to pour up
a sample for me at the same time they poured up their sample, like they did the second time. I don't think they did
anything wrong... I just wasn't specific with my instructions. The notes in the file make that clear, so there will be no
question as to the most likely cause for the discrepancy.
Of course, please feel free to call and discuss further if you feel the need.
Jenifer
Phone: [phone].
WSRO Address:
NC DENR - Division of Water Resources
450 W. Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
From: Tinsley, Brigette [maiIto: btinsley@ppgcom]
Sent: Friday, August 28, 2015 10:39 AM
To: Carter, Jenifer
Subject: RE: Toxicity Test Report
Eric and I will review this and probably call you this afternoon to discuss.
We'd be interested in other sites that have split samples with this lab and how they performed, compared to their
normal lab.
Thanks,
Brigette Tinsley
EHS Supervisor I
Enterprise Excellence / EHS
Fiber Glass / Lexington
473 New Jersey Church Road
Lexington, NC, USA 27292
Tel: [phone] ext. 3317
Mobile: [phone]
Fax: [phone]
E-Mail: btinsley(d)ppg.com

From: Carter, Jenifer[mailto:[e-mail]]
Sent: Friday, August 28, 2015 10:34 AM
To: Tinsley, Brigette
Subject: FW: Toxicity Test Report
Hi Brigette,
Just received our test results for the tox test (see attached). Our results did not match R&A's results, but no worry. Since
it was not a true split, we chalked it up to that. As far as rescheduling to try it again, it won't happen in the month that I
have left here, so who knows when/if it will happen. Consider the case closed until further notice.
Jenifer Carter
Phone: [phone].
WSRO Address:
NC DENR - Division of Water Resources
450 W. Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
From: Hollenkamp, Carol
Sent: Friday, August 28, 2015 10:24 AM
To: Basinger, Corey
Cc: Moore, Cindy; Carter, Jenifer
Subject: Toxicity Test Report
Attached is the toxicity test report for PPG Industries Lexington Plant. Please contact me if you have any questions.
Thanks,
Carol Hollenkamp
Aquatic Toxicology Branch/Water Sciences Section
North Carolina Division of Water Resources/DENR
1621 Mail Service Center, Raleigh, NC 27699-1621
Please NOTE NEW PHONE #
Phone: [phone]
PJ

t
Division of Water Resources
August 27, 2015
To: Corey Basinger
Water Quality Supervisor, WSRO
Through: Cindy A. Moore
Supervisor, AquatiLLr,
�cicology Branch
From. Carol HollenkampQuality Assurance Aquatic Toxicology Branch
Subject: Whole effluent toxicity test results
PPG Industries Lexington Plant
NPDES Permit # NC0004626/001
Davidson County
The aquatic toxicity test using 24-hour composite samples of effluent discharged from PPG Industries
Lexington Plant has been completed. PPG Industries Lexington Plant has a permitted flow that is 0.6
million gallons per day (MGD) discharging into North Potts Creek (7Q10 of 1.0 CFS). Whole effluent
samples were collected on 8/4/15 and 8/6/15 by facility representative Terry Taylor and transferred to
Jenifer Carter for use in a chronic Ceriodaphnia dubia pass/fail toxicity test. The test using these samples
resulted in a fail. Toxicity information follows.
Test Type
Test Concentrations
Test Result
Control Survival
Control Mean Reproduction
Test Treatment Survival
Treatment Mean Reproduction
First Sample pH
First Sample Conductivity
First Sample Total Residual Chlorine
Second Sample pH
Second Sample Conductivity
Second Sample Total Residual Chlorine
3-Brood Ceriodaphnia dubia pass/fail
48 %
FAIL
92%
19.8
92%
4.5
7.0 SU
1900 micromhos/cm
<0.10 mg/L
7.03 SU
1936 micromhos/cm
<0.10 mg/L
Test results for the above samples indicate that the effluent may be predicted to have water quality impacts
on receiving water under conditions of maximum permitted discharge at 7Q10 flow. PPG Industries
Lexington Plant sent samples taken the on the same days to R& A Labs for testing. The test run by R& A
Labs passed. These samples cannot be considered split samples as the DWR samples were poured later
than the PPG samples. ATB recommends another round of testing in the future at this facility using true
split samples if WSRO staff time and resources allow. Please contact us if further effluent toxicity
monitoring is desired. We may be reached at [phone].
Basin: YAD04
cc: Central Files; Jenifer Carter, WSRO
Aquatic Toxicology Branch Water Sciences Section

TOXICITY SAMPLE COLLECTION FORM page 1 of ARO FRO MRO RRO WaRO WiRO CWSRO
n_
Facility/Water Body f'Y6
NPDES # INC 1 0 0 C> �44�&�,;2�= Outfall #
County FT/6?l,'iC"/san Basin/Sub-basin
Receiving Stream l �� L�% G� //J J-'-/S`
Collectors rent J^ / !—�'f
Grab Sample ❑ Composite Sample 2;" Composite Type:
❑ Constant Time/Constant Volume: samples/hour for
D'Flow Proportional
Sampling Equipment Used: ❑ DWQ Portable Sampler or [ acihty's Sampler
Date Began Time Began Date End Time End
Sampling Site /L�CJYI
Description
hours
Container: OJL (4-gal) PE cubitainer DOther (describe) # of containers /
Chlorinated: 2'-Yes ❑ No Collected on Ice or in Refrigerated Sampler: es ❑ No Shipped on lee: F�Kes ❑ No
Method of Shipment: Courier [] Bus ❑ Staff ❑ . Otherjexplain):
Date/time of transfer to shivver or courier box: (;? Ar //5 / /,.' W
Comments:
"S lit' sam le, splitting lab name: '
Did Dn staff perform the s lit? �LL) If NO, then did DM staff witness the split? Ni
-,fi"�'Z—C - I Date: y i / 6 / A -
Additional sample haT&er recdrA- _
Relinquished by:
Received by:
Date:
Time:
Relinquished by:
Received by:
Date:
Time:
Relinquished by:
Received by:
Date:
Time:
Relinquished by:
Received by:
Date:
Time:
DWQ/Environmental Sciences Section
Aquatic Toxicology Unit Use street address only if shipping FedEx or UPS
1621 Mail Service Center Street address: 4401 Reedy Creek Road
Raleigh, NC 27699-1621 Raleigh, NC 27607
ESS Courier #: 520101 phone: [phone]

—.... .v ...+.xr x.rr• Vx rr an 4Y.L "ZL1'CL11 L,' R_ G+� _
TONICITY SAMPLE COLLECTION FORM page 1 of ARO FRO MRO RRO WaRO WiRO CWSRO
FacilityNater Body
NPDES #
NC 0 09 1 Z' I �-' 1-2 % 1 l # [bkE
County �G Gr'r S. ci^
Basin/Sub-basin
Receiving Stream LN C) 1 ry .f fS- � J lel( e
Collector(s) (print) L / �
�-) c'-- / J ; (. 6-
Grab Sample ❑ Composite Sample R�- Composite Type:
❑ Constant Time/Constant Volume: samples/hour for
© 'Flow Proportional
Sampling Equipment Used: F� DWQ Portable Sampler or [Facility's Sampler
Date Began Time Began Date End Time End
n
Sampling Site aL ni r
Description
hours
Container: 0L.(fir) PE cubitainer E]Other (describe) # of containers
Chlorinated: glfes ❑ No �Collected on Ice or in Refrigerated Sampler: es El No Shipped on Ice: [�es ❑ No
L�,
Method of Shipment: Courier Bus ❑ Staff ❑ Otl}er (explain):
Date/time oftrancfer to thinner nr enimPr hnv• �3 / 1L ,1% / 2' n ��
Comments:
"S liY' sample, splitting lab name:
Did DWQ staff perform the split?
v.
; - +
If NO, then did DWQ staff witness the split?
e Vim,: = ►� x ( i' 114(�
Collectors R
Si tune: SQL Date: C,
Additional samnle hancWer rernni /
Relin uished by:
Received. by:
Date:
Time:
Relinquished by:
Received by:
Date:
Time:
Relinquished by:
Received by:
Date:
Time:
Relinquished by:
Received -by:
Date:
Time:
DWQ/Environmental Sciences Section
Aquatic Toxicology Unit Use street address only if shipping FedEx or UPS
1621 Mail Service Center Street address: 4401 Reedy Creek Road
Raleigh, NC 27699-1621 Raleigh, NC 27607
ESS Courier #: 520101 phone: [phone]

29)
SENT VIA FEDERAL EXPRESS
June 2, 2015
WPCSOCC
1618 Mail Service Center
Raleigh, NC 27699-1618
PPG Industries
PPG industries Fiber Glass Products, Inc
473 New Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Brigette Tinsley
Environmental Engineer
Phone [phone] A. 317
E-Mail [e-mail]
Attached is an updated Water Pollution Control System Operator Designation Form for
the PPG Industries Fiber Glass Products Inc facility in Lexington, NC. We are
requesting changes to the Biological WWTP designations for NPDES Permit
NC0004626. The attached form is enclosed to assign a new ORC and note our current
ORC, Charles Mabry's, reassignment to Back -Up ORC, pending his upcoming
retirement.
Designations for PPG Lexington, NC Plant
Name
ORC
Back -Up
ORC
Grade /
Certificate #
Requested Date
Eric Moten
X
W W3 / 995142
June 2, 2015
Charles Mabry
X
WW3 / 25822
June 2, 2015
David Segers
X
WW4 / 3366
July 17, 2012
Brigette Tinsley
X
WW2 / 999282
October 4, 2013
Should there be any questions, please feel free to contact me.
Sincerely,
Brigette Tinsley
EHS Supervisor, I
cc: Eric Moten, ORC
NC Division of Water Quality, WSRO -- Jenifer Carter

PPG Industries
PPG Industries Fiber Glass Products
473 Now Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Phone: [phone]
Alan Toney
Manufacturing Manager
Sent via Federal -Express
June 2, 2015
Lisa Edwards
NC DENR, Division of Air Quality
Winston Salem Region
585 Waughtown Street
Winston Salem, NC 27107
Jenifer Carter
NC DENR, Division of Water Quality
Winston Salem Region
585 Waughtown Street
Winston Salem, NC 27107
William Willetts
NC DENR, Division of Air Quality
1641 Mail Service Center
Raleigh, NC 27699-1641
Subject: PPG Industries Fiber Glass Products, Inc.
Lexington, NC Davidson County
New Responsible Official
Please note that effective June 1, 2015,1 became the Manufacturing Manager for PPG Lexington, NC
fiberglass facility. I am now the responsible official for this site and will sign all required documents on
behalf of this facility as required by NC Division of Environment and Natural Resources.
Brigette Tinsley remains the technical contact for the facility.
Sincerely,
Alan Toney
Manufacturing Manager

CHEMICAL
HYDRASIEVE BAR EQUALIZATION ADDITION PRIMARY
SCREEN TANKS REACTOR CLARIFICATION
3 TANKS TANKS DIA, - 45 FT,
TOTAL VOL = SWD - 16.7 FT.
91,750 GAL VOL - VOL -
28,775 GAL 28,775 GAL
WET FERRIC NUTRIEN'
WELL LIME CHLORIN ADDITION
PROCESS
WASTE
a�
ACTIVATED SLUDGE
AERATION BASINS
SECONDARY
CHLORINE
CONTACT
ACTIVATED CARBON
CLARIFICATION
TANK
COLUMNS
OLD NEW
VOL - 0.275 MC VOL 0.432 GAL
OLD: DIA. - 31 FT.
NEW: DIA. - 50 FT. VOL - 10.220 GAL
2 O 10 FT. DIA-
VOL = 8,400 GAL EACH
(BLOWER AIR - 2675 SCFM)
CHLORINE
ACID
ADDITION
OPTIONAL
CAUSTIC
ADDITION
PPG AND AMERICAN
BLOWER
CHILDREN'S HOME
SANITARY WASTE
COMMINUTOR
LEGEND
WASTEWATER
— — — SLUDGE
BLOWER
TO HIGH
ROCK LAKE
NEWZW
L5r� BISULFlTE FlN
EFFLUENT AD ENT
DECHLORINATION
L—.
STABILIZATION
DECANT/THICKENER
POLYMER
FEED
cQ—
T. df—ll�
00 no
BELT FILTER HAUL TO
PRESS LANDFILL

' S S SCALE N.T.S. DRAWN BY: K.S.
PPG INDUSTRIES FORM 2c II.a DATE NOV. 2013 APPROVED BY:
ENVIRONMENTAL
7261 Pinevi-Matthews Rd LEXINGTON, NORTH CAROLINA FLOW DIAGRAM PROJECT NUMBER DRAWING NO.
lle
Suite 300
ChaHone. NC 28226 25 9 — 34 FIGURE 2

0.022 MGD 0.022 MGD
BOILER FEED
AMERICAN
CHILDRENS
HOME
0.273 MGD 0.248 MGD
PROCESS
WATER
0.004 MGD
).01. K ET � OX7 MCrfl
SC2u8BER
CITY OF g WASTEWATER
LEXINGTON 0.347 MGD + STORMWATER
EVAPORATION 0.188 MGD TREATMENT
PLANT DISCHARGE
0.197 MGD 0.034 MGD
NON CONTACT
COOLING
0.043 MGD
SANITARY
0.043 MGD
v,?do`-�-e� 6"'�l k� -tom
C�cFl�c� I IQCA� Ct— of Wit
r- . o o4x"F -�-
Nr,emher '13, 200F 3 01.34 pm. f(—� /—
Drawing 2593OP03DWG YlriitJ= �J=�
STORMWATER
0.093 MGD
MAX.
0.004 MGD
SLUDGE
L I
FORM 2c II. a
FLOW DIAGRAM
PPG
LEXINGTON, NORTH CAROLINA
SCALE NOT TO SCALE APPROVED BY DRAWN BY: J.K.S.
DATE NOVEMBER 2008 DESIGNED BY : REVISED
PROJECT NUMBER /// l7/—H DP,AWINGI NO
CDE,
N 2 5 9 - 30 R. CHARLOTTE.
9305—J MONROE r $ R-LNC 28270 F CURE 2

ra
April 10, 2015
Ms. Jenifer Carter
Winston-Salem Regional Office
Division of Water Quality, NCDENR
Dear Ms. Carter:
PPG Industries
PPG Industries Fiber Glass Products
473 New Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Phone: [phone]
Angela Wolff
Manager Enterprise Excellence
This memo is in regard to the provision of wastewater services by PPG Fiber Glass Products in
Lexington to Surface Source, LLC who has purchased a building and adjoining land on our site from PPG
to house a small distribution center for their products. No manufacturing will be done at this location at
the current time. As you know, PPG has an existing water permit with the state for our Waste Water
Treatment facility. The purchased building was originally tied in to our treatment facility and remained
so upon sale. A legally binding Wastewater Services Agreement was entered in to upon execution of the
sale to continue providing the same service to the building. Water treatment is limited exclusively to
prior services which was only domestic sanitary facilities, no process water. There was no affect on our
current water permit. Is there any further verification or documentation that is needed for your office, NC
DENR Division of Water Quality, regarding this service?
Thank you for your support in responding to this request. If there are further questions or
information required, please feel free to contact me at 336-357-8151 x 3260.
Kind Regards,
Angela Wolff
Manager Enterprise Excellence

r r
Carter, Jenifer
From: Carter, Jenifer
Sent: Friday, April 10, 2015 2:52 PM
To: 'Wolff, Angela K.'
Subject: RE: Request for Information: Waste Water Treatment Services by PPG
Attachments: PPG No Permits Required Letter04102015.pdf
Angela,
See letter attached. Let me know if you need anything else.
Jenifer
Phone: [phone].
WSRO Address:
NC DENR - Division of Water Resources
450 W. Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
From: Wolff, Angela K. [mailto:akwolfff(ftpg.com]
Sent: Friday, April 10, 2015 12:00 PM
To: Carter, Jenifer
Cc: Dusty Taylor (dtaylor4)surfacesource.us)
Subject: Request for Information: Waste Water Treatment Services by PPG
Importance: High
Jenifer,
Per our conversation, we believe the Davidson County Inspector is looking for something from your office which
confirms you are okay with us continuing to provide waste water services to our old building. Please reply to this email
with something in writing that Mr. Taylor, the new owner can take to the county. We'll also call the Inspector and
request he contact you directly (336-776-9691) if there is anything more he needs. Thanks for your help! Have a good
weekend.
Angela
Angela Wolff
Manager, Enterprise Excellence
PPG Fiber Glass Products
Lexington, North Carolina
336-357-8151 x 3260
336-239-8804 Mobile
akwolff'i%ppU.com
1

AVA
North Carolina Department of Environment and Natural Resources
Pat McCrory Donald R. van der Vaart
Governor Secretary
April 10, 2015
Ms. Angela Wolff
P.O. Box 949
Lexington, NC 27293
Subject: Use of PPG Wastewater Treatment System by Surface Source, LLC
Dear Ms. Wolff
It is our understanding that Surface Source, LLC's purchase and use of one of PPG's buildings does not
change the characteristics of the discharge from that building to the PPG's wastewater treatment plant
(WWTP). Since it will continue to send only domestic waste, and no new process waste to the WWTP, and
since no changes in the treatment process or WWTP capacity are required, there is no new NPDES permit
required, nor any modification to PPG's existing permit.
Please let me know if you still have any questions.
Sincerely,
Jenifer Carter
Environmental Specialist
DWR, NC DENR
450 W Hanes MIII Rd., Suite 300, Winston-Salem, NC 27105
Phone: [phone] Internet: www.ncdmr.gov
An Equal opportunity %A*mdve Action Employer —Made to part by recycled paper

Carter, Jenifer
From: Carter, Jenifer
Sent: Friday, February 27, 2015 1:59 PM
To: 'Tinsley, Brigette'
Subject: RE: PPG Inspection Report
I will make the correction to my copy, and you can do the same. Let me know if you'd prefer me to reprint and resend,
otherwise, that should take care of it. Thanks for catching my mistake.
Jenifer
Phone: [phone].
WSRO Address:
NC DENR - Division of Water Resources
450 W. Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
From: Tinsley, Brigette [maiIto: [e-mail]]
Sent: Friday, February 27, 2015 1:55 PM
To: Basinger, Corey
Cc: Carter, Jenifer; Mabry, Charles
Subject: PPG Inspection Report
Good afternoon Corey,
I just received the Compliance Inspection Report and noted an error. The letter states we will retain our classification for
Biological Grade IV. Our facility is actually classified as Biological Grade III (see attached documents).
Can you please correct this and either reissue, or reply to this email for my files.
Thanks for your help.
Brigette Tinsley
EHS Supervisor I
Enterprise Excellence / EHS
Fiber Glass / Lexington
473 New Jersey Church Road
Lexington, NC, USA 27292
Tel: [phone] ext. 3317
Mobile: [phone]
Fax: [phone]
E-Mail: btinslevr'a)..00a.com
Web: www.ppp.com

Water Pollution Control System Operator Designation Form
WPCSOCC
NCAC 15A 8G .0201
c.US
Permittee Owner/Officer Name: 3t� S T� t +` C3`I QS• x�! ti Ctct
Mailing Address: q73 NgAd `),Cse ./
City: tXti v1Q.f"1 State: ,��ip: 2?L9 L
Email address:
Signature:
Phone #: 33(,0 3.57- 8151
Date iP 1. 15
........... ............ *................................ I................ ....... I ........... I
Facility Name: -P Permit #: I U 0 0 4
County: i oyt 4.Sa Yt
..................................uu.........................................■.........................................0 .........i
SUBMIT A SEPARATE FORM FOR EACH TYPE SYSTEM!
Facility TYpelGrade (CHECK ONLY ONE)
iological Collection Physical/Chemical Surface Irrigation Land Application
..... ........................................:..........•...f..........................................................................................
Operator in Responsible Charge (ORC)
Print Full Name: F.J.-EL bgtt Ma4eA E-mail: MD+441 Q_ Da q , cokyl
Certificate Type / Grade / Number: : " - � Work Phone #: 33 b -_?,S 7 - 64s7 x 3 2-f is
Signature: 1 Ale -k I �+�{ - , Date: 4z Vj 5—
"I certify that I agree to my designation as the Operator in Responsible Charge for the facility noted. I understand and wilt abide by the rules
and regulations pertaining to the responsibilities of the ORC as set forth in 15A NCAC 080.0204 and failing to do so can result in Disciplinary
Actions by the Water Pollution Control System Operators Certification Commission."
...............................................................................................................................• .......................
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name: Email: �ll'1J` )eu P pps ct,,,
Certificate Type / Grade f Number:- Work Phone #:'
Signature:" V t;,. Date:
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facilitynoted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the, BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
......r..........................................................................................................:0....................... .............
Mall, fax or email the WPCSOCC, 1618 Mail Service Center,
Raleigh, NC 27699-1618 F>ax: 919.115.2726
oriina! to:
Mail or fax a COPY to the
appropriate Regional Office:
Asheville
2090 US Hwy 70
Swannanoa 29778
Fax: [phone]
Phone 828,296.4500
Washington
943 Washington Sq Mall
Washington 27889
Fax:[phone]
Phone: [phone]
Fayetteville
225 Green St
Suite 714
Fayetteville 28301-5043
Fax: 910.486,0707
Phone: [phone]
Wilmington
t27 Cardinal Dr
Wilmington 28405-2945
Fox: 910.350.2004
Phone:. [phone]
Mooresville
610 E Center Ave
Suite 301
Mooresville 28115
Fax:[phone]
Phone: [phone]
Winston-Salem
450 W. Hanes Mail Rd
Winston-Salem 27105
Fax: [phone]
Phone: [phone]
Raleigh
3800 Barrett Dr
Raleigh 27609
Fax: 919,57I A718
Phone:[phone]
Revised 05-2015

WPCSOCC Operator Designation For -in, cont.
Facility Name: 'P (3- _ VI t��Yl Permit #: t `A (' 000 f (P2_
............................................„.........................
Sack -Up Operator in Responsible Charge (BU ORC)
Print Full Name: bay� (A '' �' `l� f S Email: Pc
Certificate Type / Grade / Number: WV;/4/33 ('� Work Phone #:
Signature: S-e- c 1. ,44at{ d ri o Date: ' C
a
I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name; ( I7 a( l f. s �' � �� ��% Email:
Certificate Type ! Grade /Number. " Z- Work Phone M
Signature: Cs � oi_wol J Date.
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rates and regulations pertaining to the responsibilities of the BU ORC as set forth in I SA NCAC 08G .0205 and failing to do so can insult in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
....... .............................. ..................... }.................................................................... .....a .........
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name: Email:
Certificate Type / Grade / Number:
Signature:
Work Phone #:
Date:
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
.............................................................................................................................................
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name:
Email:
Certificate Type/ Grade/ Number: Work Phone #:
Signature: Date:
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rule and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control .System Operators Certification Commission."
Revised 05-2015

NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
February 11, 2015
Ms. Bridgette Tinsley
PPG Industries, Inc.
P.O. Box 949
Lexington, NC 27293
SUBJECT: Compliance Evaluation Inspection
PPG Industries, Inc.
Permit No. NC0004626
Davidson County
Dear Ms. Tinsley:
John E. Skvada, III
Secretary
A Compliance Evaluation Inspection was performed at PPG Industries on January 27, 2015 by Jenifer Carter
of the Winston-Salem Regional Office. You and Charles Mabry were present for the inspection. This type
of inspection consists of two basic parts: a review of facility files and self -monitoring data, and an on -site
inspection of the facility. The following are the findings from the subject inspection:
A review of self -monitoring data since the last inspection did not reveal any limits violations. Lab data
correlates correctly with data on the submitted Discharge Monitoring Reports.
Effective January 22, 2015, the Physical Chemical 2 classification associated with the facility was rescinded.
The facility will maintain its Wastewater W classification.
The plant appeared to be well maintained and operated overall. The Division appreciates your efforts to
maintain compliance, and to keep the Division informed of changes and incidents, with relevant corrective
actions, taken at the facility. Please review the enclosed inspection form for more detailed information. If
you have any questions, please call Jenifer Carter at [phone].
enclosure
cc: DWR central files
WSRO files
Sincerely,
W. Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NC DENR
585 Waughtown St., Winston-Salem, NC 27107
Phone: [phone] \ Internet: www.ncdenr.gov
An Equal Opportunity \ Affirmative Action Employer— Made in part by recycled paper

United States Environmental Protection Agency
Form Approved.
EPA Washington, D.C. 20460
OMB No. 2040-0057
Water Compliance Inspection Report
Approval expires8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPDES yr/mo/day Inspection Type
Inspector Fac Type
1 E 2 15 I 3 I NC0004626 I11 12 15/01/27 17 18 I,j
191 S I 201 I
211111 1 1 I I I I II 11 I I I I I I I I 1 l l l l l l l l I I I
I II 11,I I I f6
Inspection
Work Days Facility Self -Monitoring Evaluation Rating B1 QA ----Reserved--------
67
70 I, I 71 it�ti � 72 L ti J 731 I I 174 75III
l=1 LJ 1 I
80
Section B: FacilityData
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
Entry Time/Date
Permit Effective Date
POTW name and NPDES permit Number)
10:OOAM 15/01/27
13/03/01
PPG Industries Fiber Glass Products
473 New Jersey Church Rd
Exit Time/Date
Permit Expiration Date
Lexington NC 27293
11:25AM 15/01/27
14/05/31
Names) of Onsite Representative(s)/Titles(s)/Phone and Fax Numbers)
Other Facility Data
Bridgette Tinsley//336-357-8151 /
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Todd Douthit,473 New Jersey Church Rd Lexington NC
No
27293//336-357-8151/3363577171
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit E Flow Measurement Operations & Maintenance N Records/Reports
Self -Monitoring Program E Sludge Handling Disposal Facility Site Review
Section D: Summary of Finding/Comments (Attach. additional sheets of narrative and checklists as necessary)
(See attachment summary)
Names) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers
Date
Jenifer Carter „ � WSRO WQ//336-771-5000/
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers
Date
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
Page#

NPDES yr/mo/day Inspection Type 1
3 NC0004626 I11 12 15/01/27 17 18 ICI
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
Page# 2

Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
Inspection Date: 01/27/2015 Inspection Type: Compliance Evaluation
Permit
Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new
❑
❑
M
❑
application?
Is the facility as described in the permit?
0
❑
❑
❑
# Are there any special conditions for the permit?
0
❑
❑
❑
Is access to the plant site restricted to the general public?
M
❑
❑
❑
Is.the inspector granted access to all areas for inspection?
0
❑
❑
❑
Comment:
Record Keeaina
Yes No NA NE
Are records kept and maintained as required by the permit?
M
❑
❑
❑
Is all required information readily available, complete and current?
0
❑
❑
❑
Are all records maintained for 3 years (lab. reg. required 5 years)?
M
❑
❑
❑
Are analytical results consistent with data reported on DMRs?
0
❑
❑
❑
Is the chain -of -custody complete?
M
❑
❑
❑
Dates, times and location of sampling
Name of individual performing the sampling
Results of analysis and calibration
Dates of analysis
Name of person performing analyses
Transported COCs
Are DMRs complete: do they include all permit parameters?
0
❑
❑
❑
Has the facility submitted its annual compliance report to users and DWQ?
❑
❑
E
❑
(If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator
❑
❑
M
❑
on each shift?
Is the ORC visitation log available and current?
0
❑
❑
❑
Is the ORC certified at grade equal to or higher than the facility classification?
0
❑
❑
❑
Is the backup operator certified at one grade less or greater than the facility classification?
0
❑
❑
❑
Is a copy of the current NPDES permit available on site?
M
❑
❑
❑
Facility has copy of previous year's Annual Report on file for review?
❑
❑
0
❑
Comment:
Effluent Samalina Yes No NA NE
Is composite sampling flow proportional? M ❑ ❑ ❑
Is sample collected below all treatment units? 0 ❑ ❑ ❑
Page# 3

Permit NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
Inspection Date: 01/27/2015 Inspection Type: Compliance Evaluation
Effluent Samulina Yes No NA NE
Is proper volume collected?
M❑
❑
❑
Is the tubing clean?
0❑
❑
❑
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees
0
❑
❑
❑
Celsius)?
Is the facility sampling performed as required by the permit (frequency, sampling type
0
❑
❑
❑
representative)?
Comment:
Flow Measurement - Effluent
Yes No NA NE
# Is flow meter used for reporting?
0
❑
❑
❑
Is flow meter calibrated annually?
❑
❑
❑
Is the flow meter operational?
❑
❑
❑
(If units are separated) Does the chart recorder match the flow meter?
M
❑
❑
❑
Comment:
Operations & Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? ❑ ❑ ❑
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ ❑
Solids, pH, DO, Sludge Judge, and other that are applicable?
Comment:
Standby Power
Yes No NA NE
Is automatically activated standby power available?
0
❑
❑
❑
Is the generator tested by interrupting primary power source?
0
❑
❑
❑
Is the generator tested under load?
❑
0
❑
❑
Was generator tested & operational during the inspection?
❑
0
❑
❑
Do the generator(s) have adequate capacity to operate the entire wastewater site?
❑
❑
❑
Is there an emergency agreement with a fuel vendor for extended run on back-up power?
❑
❑
❑
E
Is the generator fuel level monitored?
❑
❑
❑
Comment:
Bar Screens Yes No NA NE
Type of bar screen
a.Manual
Page# 4

i Permit: NG0004626
Inspection Date: 01/V/2015
Owner- Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Bar Screens
Yes No NA NE
b.Mechanical
Are, the bars adequately screening debris?
0 ❑
❑
❑
Is the screen free of excessive debris?
0 ❑
❑
❑
Is disposal of screening in compliance?
0 ❑
❑
❑
Is the unit in good condition?
N ❑
❑
❑
Comment: comminuter used for sanitary waste from PPG and American Children's Home
Equalization Basins
Yes No NA NE
Is the basin aerated?
❑
M ❑
❑
Is the basin free of bypass lines or structures to the natural environment?
0
❑ ❑
❑
Is the basin free of excessive grease?
M
❑ ❑
❑
Are all pumps present?
0
❑ • ❑
❑
Are all pumps operable?
0
❑ ❑
❑
Are float controls operable?
M
❑ ❑
❑
Are audible and visual alarms operable?
M
❑ ❑
❑
# Is basin size/volume adequate?
0
❑ ❑
❑
Comment:
Chemical Feed
Yes No NA NE
Is containment adequate?
N
❑
❑
❑
Is storage adequate?
0
❑
❑
❑
Are backup pumps available?
0
❑
❑
❑
Is the site free of excessive leaking?
0
❑
❑
❑
Comment:
Primary Clarifier
Yes No NA NE
Is the clarifier free of black and odorous wastewater?
N
❑
❑
❑
Is the site free of excessive buildup of solids in center well of circular clarifier?
0
❑
❑
❑
Are weirs level?
N
❑
❑
❑
Is the site free of weir blockage?
M
❑_
❑
❑
Is the site free of evidence of short-circuiting?
M
❑
❑
❑
Is scum removal adequate?
0
❑
❑
❑
Is the site free of excessive floating sludge?
N
❑
❑
❑
Page# 5

Permit NC0004626 Owner - Facility:
Inspection Date: 01/27/2015 Inspection Type:
PPG Industries Fiber Glass Products
Compliance Evaluation
Primary Clarifier
Yes No NA NE
Is the drive unit operational?
N❑
❑
❑
Is the sludge blanket level acceptable?
N
❑
❑
❑
Is the sludge blanket level acceptable? (Approximately % of the sidewall depth)
00013
Comment:
Aeration Basins
Yes No NA NE
Mode of operation
Ext. Air
Type of aeration system
Diffused
Is the basin free of dead spots?
0❑
❑
❑
Are surface aerators and mixers operational?
0 ❑
❑
❑
Are the diffusers operational?
N❑
❑
❑
Is the foam the proper color for the treatment process?
0 ❑
❑
❑
Does the foam cover less than 25% of the basin's surface?
N ❑
❑
❑
Is the DO level acceptable?
0❑
❑
❑
Is the DO level acceptable?(1.0 to 3.0 mg/1)
0 ❑
❑
❑
Comment:
Secondary Clarifier
Yes No NA NE
Is the clarifier free of black and odorous wastewater?
0
❑
❑
❑
Is the site free of excessive buildup of solids in center well of circular clarifier?
0
❑
❑
❑
Are weirs level?
0❑
❑
❑
Is the site free of weir blockage?
❑
❑
❑
Is the site free of evidence of short-circuiting?
❑
❑
❑
Is scum removal adequate?
❑
❑
❑
Is the site free of excessive floating sludge?
❑
❑
❑
Is the drive unit operational?
❑
❑
❑
Is the return rate acceptable (low turbulence)?
N
❑
❑
❑
Is the overflow clear of excessive solids/pin floc?
0
❑
❑
❑
Is the sludge blanket level acceptable? (Approximately % of the sidewall depth)
0
❑
❑
❑
Comment:
Disinfection -Liquid Yes No NA NE
Is there adequate reserve supply of disinfectant? N ❑ ❑ ❑
Page# 6

Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
Inspection Date: 01/27/2015 inspection Type: Compliance Evaluation
Disinfection-Liguid
Yes No NA NE
(Sodium Hypochlorite) Is pump feed system operational?
0
❑
❑
❑
Is bulk storage tank containment area adequate? (free of leaks/open drains)
M
❑
❑
❑
Is the level of chlorine residual acceptable?
0
❑
❑
❑
Is the contact chamber free of growth, or sludge buildup?
0
❑
❑
❑
Is there chlorine residual prior to de -chlorination?
0
❑
❑
❑
Comment:
Filtration (High Rate Tertiary)
Yes No NA NE
Type of operation:
Down flow
Is the filter media present?
0 ❑
❑
❑
Is the filter surface free of clogging?
0 ❑
❑
❑
Is the filter free of growth?
M ❑
❑
❑
Is the air scour operational?
❑ ❑
0
❑
Is the scouring acceptable?
❑ ❑
0
❑
Is the clear well free of excessive solids and filter media?
❑ ❑
M
❑
Comment:
De -chlorination
Yes No NA NE
Type of system ?
Liquid
Is the feed ratio proportional to chlorine amount (1 to 1)?
❑ ❑
0
❑
Is storage appropriate for cylinders?
❑ ❑
0
❑
# Is de -chlorination substance stored away from chlorine containers?
❑
❑
❑
Comment:
Are the tablets the proper size and type? ❑ ❑ 0 ❑
Are tablet de -chlorinators operational? ❑ ❑ ❑
Number of tubes in use?
Comment:
Solids Handling Equipment
Yes No NA NE
Is the equipment operational?
❑
❑
❑
Is the chemical feed equipment operational?
❑
❑
❑
Is storage adequate?
0
❑
❑
❑
Is the site free of high level of solids in filtrate from filter presses or vacuum filters?
0
❑
❑
❑
Page# 7

Permit: NC0004626 Owner - Facility:
PPG Industries Fiber Glass Products
•
Inspection Date: 01/27/2015 Inspection Type:
Compliance Evaluation
Solids Handling Equipment
Yes No NA NE
Is the site free of sludge buildup on belts and/or rollers of filter press?
11
❑
11
Is the site free of excessive moisture in belt filter press sludge cake?
❑
El
M
The facility has an approved sludge management plan?
❑
❑
❑
Comment: polymer feed only
Page# 8

AITMA
7A
NREE IR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
January 22, 2015
Brigette Tinsley
PPG Fiber Glass / Lexington
473 New Jersey Church Road
Lexington, NC, USA 27292
Subject: Rescission of Classification of Water Pollution Control System
NC0004626 — PPG Industries - Davidson County
Dear Ms. Tinsley:
Donald R. van der Vaart
Secretary
This is to inform you we have rescinded the Physical Chemical 2 classification that was
previously associated with this facility, effective as of today.
The facility remains classified as a Biological Grade 3 facility until further notice.
If you have any questions concerning this classification or the designation of operators,
please contact me at 919.707.9108, or via email at [e-mail].
Sincerely,
Supervisor
NC Operators Certification Program
Cc: Winston-Salem Regional Office
File
1601 Mail Service Center, Raleigh, North Carolina 27699-1601
Phone: [phone] \ Internet: www.ncdenr.gov
An Equal Opportunity \Affirmative Action Employer — Made in part by recycled paper

A
�
A'CiD-ENR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
June 6, 2014
Ms. Bridgette Tinsley
PPG Industries, Inc.
P.O. Box 949
Lexington, NC 27293
SUBJECT: Compliance Evaluation Inspection
PPG Industries, Inc.
Permit No. NC0004626
Davidson County
Dear Ms. Tinsley:
John E. Skvarla, III
Secretary
A Compliance Evaluation Inspection was performed at PPG Industries on May 15, 2014 by Jenifer Carter
of the Winston-Salem Regional Office. You and Charles Mabry were present for the inspection. This
type of inspection consists of two basic parts: a review of facility files and self -monitoring data, and an
on -site inspection of the facility. The following are the findings from the subject inspection:
A review of self -monitoring data since the last inspection did not reveal any limits violations. Lab data
correlates correctly with data on the submitted Discharge Monitoring Reports.
Beginning in February 2013, discharge of wet scrubber blowdown (4300-7200 GPD) flows to the WWTP,
and has been added to the permit, which is in the draft phase of the renewal process.
A bypass of the re -use line (treated effluent) and the carbon filter, on two separate occasions in January
2014, were reported, both due to freezing temperatures. Both were rectified immediately with no negative
impacts to surface waters noted.
The plant appeared to be well maintained and operated overall. The Division appreciates your efforts to
maintain compliance, and to keep the Division informed of changes and incidents, with relevant corrective
actions, taken at the facility. Please review the enclosed inspection form for more detailed information. If
you have any questions, please call Jenifer Carter at [phone].
enclosure
cc: DWR central files
WSRO files
Sincerely,
W. Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NC DENR
585 Waughtown St., Winston-Salem, NC 27107
Phone: [phone] Internet: www.ncdenr.gov
An Equal Opportunity 1 Affirmative Action Employer — Made in part by recycled paper

United States Environmental Protection Agency
Form Approved.
EPA Washington, D.C. 20460
OMB No. 2040-0057
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type
1 I N I 2 1 5 I 31 NC0004626 111 121 14/05/15 117 181 C I 191 c I 201 I
I:J LJ L1 �! LJ
Remarks
211111111111111111111111111111 11111III I I I I I I I I II16
Inspection Work Days Facility Self -Monitoring Evaluation Rating 131 QA --------------------- ----Reserved-------------
67I 169 70' 3 I 71 I N I 72 73 � 74 751 I I I I I I 180
'
Section B: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
Entry Time/Date
Permit Effective Date
POTW name and NPDES permit Number)
10:00 AM 14/05/15
13/03/01
PPG Industries Fiber Glass Products
473 New Jersey Church Rd
Exit Time/Date
Permit Expiration Date
Lexington NC 27293
11:30 AM 14/05/15
14/05/31
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)
Other Facility Data
///
Brigette Tinsley///
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Todd Douthit,473 New Jersey Church Rd Lexington NC 27293//336-357-8151/3363577171 No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit N Flow Measurement Operations & Maintenance 0 Records/Reports
Self -Monitoring Program N Sludge Handling Disposal Facility Site Review
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary
(See attachment summary)
Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date
Jenife er WSRO WQ//336-771-5000/
Signature Q A Reviewer Agency/Office/Phone and Fax Numbers Date
�of^Management
ig--
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
Page # 1

NPDES yr/mo/day Inspection Type
3 NC0004626 I11 12I 14/05/15 17 181 cI
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
Page # 2

• Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
1
Inspection Date: 05/15/2014 Inspection Type: Compliance Evaluation
Permit Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new application?
■
❑
❑
❑
Is the facility as described in the permit?
❑
■
❑
❑
# Are there any special conditions for the permit?
0
■
0
0
Is access to the plant site restricted to the general public?
■
❑
❑
❑
Is the inspector granted access to all areas for inspection?
■
❑
❑
❑
Comment: Only one final clarifier. The other is now being used as a surge tank.
Record Keeping
Yes No
NA
NE
Are records kept and maintained as required by the permit?
■
❑
❑
❑
Is all required information readily available, complete and current?
■
❑
❑
❑
Are all records maintained for 3 years (lab. reg. required 5 years)?
■
❑
❑
❑
Are analytical results consistent with data reported on DMRs?
■
❑
❑
❑
Is the chain -of -custody complete?
■
❑
❑
❑
Dates, times and location of sampling
■
Name of individual performing the sampling
■
Results of analysis and calibration
■
Dates of analysis
■
Name of person performing analyses
■
Transported COCs
■
Are DMRs complete: do they include all permit parameters?
Has the facility submitted its annual compliance report to users and DWQ?
(If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift?
Is the ORC visitation log available and current?
Is the ORC certified at grade equal to or higher than the facility classification?
Is the backup operator certified at one grade less or greater than the facility classification?
Is a copy of the current NPDES permit available on site?
Facility has copy of previous year's Annual Report on file for review?
Comment:
Effluent Sampling
Is composite sampling flow proportional?
Yes No NA NE
■❑❑❑
Page # 3

Permit: NC0004626
Inspection Date: 05/15/2014
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Effluent Sampling
Is sample collected below all treatment units?
Is proper volume collected?
Is the tubing clean?
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)?
Is the facility sampling performed as required by the permit (frequency, sampling type representative)?
Comment:
Flow Measurement - Effluent
# Is flow meter used for reporting?
Is flow meter calibrated annually?
Is the flow meter operational?
(if units are separated) Does the chart recorder match the flow meter?
Comment:
Yes No NA NE
Yes No NA NE
■❑❑❑
■ ❑ ❑ ❑
■ ❑ ❑ ❑
■❑❑❑
Operations & Maintenance
Yes
No
NA
NE
Is the plant generally clean with acceptable housekeeping?
■
❑
0
❑
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge ■
n
❑
❑
Judge, and other that are applicable?
Comment: sludge depth checked daily.
Standby Power
Yes
No
NA
NE
Is automatically activated standby power available?
■
❑
❑
❑
Is the generator tested by interrupting primary power source?
■
❑
❑
❑
Is the generator tested under load?
❑
■
❑
n
Was generator tested & operational during the inspection?
❑
■
❑
❑
Do the generator(s) have adequate capacity to operate the entire wastewater site?
❑
❑
❑
■
Is there an emergency agreement with a fuel vendor for extended run on back-up power?
❑
❑
❑
■
Is the generator fuel level monitored?
■
n
❑
❑
Comment:
Bar Screens
Yes No
NA
NE
Type of bar screen
a.Manual ■
b.Mechanical ■
Page # 4

Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
f
Inspection Date: 05/15/2014 Inspection Type: Compliance Evaluation
Bar Screens Yes No NA NE
Are the bars adequately screening debris? ■ ❑ ❑ ❑
Is the screen free of excessive debris? ■ n ❑ ❑
Is disposal of screening in compliance?
Is the unit in good condition?
Comment: comminuter used for sanitary waste from PPG and Am. Children's Home.
Equalization Basins
Is the basin aerated?
Is the basin free of bypass lines or structures to the natural environment?
Is the basin free of excessive grease?
Are all pumps present?
Are all pumps operable?
Are float controls operable?
Are audible and visual alarms operable?
# Is basin size/volume adequate?
Comment:
Chemical Feed
Is containment adequate?
Is storage adequate?
Are backup pumps available?
Is the site free of excessive leaking?
Comment: ferric and lime use up due to addition of air scrubber blowdown. pH
adjustment no longer made post-dechlor.
Primary Clarifier
Is the clarifier free of black and odorous wastewater?
Is the site free of excessive buildup of solids in center well of circular clarifier?
Are weirs level?
Is the site free of weir blockage?
Is the site free of evidence of short-circuiting?
Is scum removal adequate?
Is the site free of excessive floating sludge?
Yes No NA NE
Yes No NA NE
■ ❑ ❑ ❑
■ ❑ ❑ ❑
0000
■❑❑❑
Yes No NA NE
Page # 5

Permit: NC0004626
Inspection Date: 05/15/2014
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Primary Clarifier
Is the drive unit operational?
Is the sludge blanket level acceptable?
Is the sludge blanket level acceptable? (Approximately'/. of the sidewall depth)
Comment:
Aeration Basins
Mode of operation
Type of aeration system
Is the basin free of dead spots?
Are surface aerators and mixers operational?
Are the diffusers operational?
Is the foam the proper color for the treatment process?
Does the foam cover less than 25% of the basin's surface?
Is the DO level acceptable?
Is the DO level acceptable?(1.0 to 3.0 mg/1)
Comment:
Secondary Clarifier
Is the clarifier free of black and odorous wastewater?
Is the site free of excessive buildup of solids in center well of circular clarifier?
Are weirs level?
Is the site free of weir blockage?
Is the site free of evidence of short-circuiting?
Is scum removal adequate?
Is the site free of excessive floating sludge?
Is the drive unit operational?
Is the return rate acceptable (low turbulence)?
Is the overflow clear of excessive solids/pin floc?
Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth)
Comment:
Disinfection -Liquid
Is there adequate reserve supply of disinfectant?
Yes No NA NE
■ ❑ ❑ ❑
■ ❑ ❑ ❑
0000
Yes No NA NE
Ext. Air
Yes No NA NE
Yes No NA NE
■ ❑ ❑ ❑
Page # 6

Permit: NC0004626
r
Inspection Date: 05/15/2014
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Disinfection -Liquid
(Sodium Hypochlorite) Is pump feed system operational?
Is bulk storage tank containment area adequate? (free of leaks/open drains)
Is the level of chlorine residual acceptable?
Is the contact chamber free of growth, or sludge buildup?
Is there chlorine residual prior to de -chlorination?
Comment:
Filtration (High Rate Tertiary)
Type of operation:
Is the filter media present?
Is the filter surface free of clogging?
Is the filter free of growth?
Is the air scour operational?
Is the scouring acceptable?
Is the clear well free of excessive solids and filter media?
Comment:
De -chlorination
Type of system ?
Is the feed ratio proportional to chlorine amount (1 to 1)?
Is storage appropriate for cylinders?
# Is de -chlorination substance stored away from chlorine containers?
Comment:
Are the tablets the proper size and type?
Are tablet de -chlorinators operational?
Number of tubes in use?
Comment:
Solids Handling Equipment
Is the equipment operational?
Is the chemical feed equipment operational?
Is storage adequate?
Is the site free of high level of solids in filtrate from filter presses or vacuum filters?
Yes No NA NE
Yes No NA NE
Yes No NA NE
Liquid
❑ ❑ ■ ❑
❑ ❑ ■ ❑
■❑❑❑
❑ ❑ ■ ❑
❑❑■❑
Yes No NA NE
■❑❑❑
■❑❑❑
■ ❑ ❑ ❑
■ ❑ ❑ ❑
Page # 7

Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
Inspection Date: 05/15/2014 Inspection Type: Compliance Evaluation
Solids Handling Equipment
Is the site free of sludge buildup on belts and/or rollers of filter press?
Is the site free of excessive moisture in belt filter press sludge cake?
The facility has an approved sludge management plan?
Comment: polymer feed only
Yes No NA NE
■❑00
■QQQ
■000
Page # 8

Carter, Jenifer
From:
Tinsley, Brigette <[e-mail]>
Sent:
Friday, April 11, 2014 10:45 AM
To:
Carter, Jenifer
Cc:
Mabry, Charles
Subject:
FW: PPG - Update
This note is to inform you that we put the carbon system back online on April 101h at 11:00 a.m.
From: Tinsley, Brigette
Sent: Tuesday, April 08, 2014 7:58 AM
To: Carter, Jenifer (ienifer.carter(&ncdenr.gov)
Cc: Mabry, Charles
Subject: PPG
Per our phone call on April 3rd, due to restart of a recently repaired furnace, we were experiencing extra volumes of
water to the treatment plant. Process upsets due to the restart in the manufacturing plant was the cause of the excess
water. We began holding water in the empty New Aeration Basin and an empty clarifier, and needed to bypass the
carbon system to aid in getting the effluent discharge higher to manage the excess water. The carbon system was set to
Bypass at approximately 8:50 a.m. on April 3rd. We also adjusted WAS and RAS to ensure proper aerobic activity in the
aeration basin. Other in process monitoring parameters remained in their normal range during this time. We are
returning to a more normal state in the manufacturing operation and hope to put the carbon system back on line in the
next couple of days. I will contact you once the carbon system is back in service.
Brigette Tinsley
Environmental Engineer
EE/EHS
Fiber Glass/Lexington
473 New Jersey Church Road
Lexington, NC, USA 27292
Tel: [phone] ext. 3317
Mobile: [phone]
Fax: [phone]
E-Mail: btinslevlaDooa.com
Web: www.opa.com
PPGI EN$ 0190

Carter, Jenifer
From: Tinsley, Brigette <[e-mail]>
Sent: Tuesday, January 28, 2014 2:09 PM
To: Carter, lenifer
Subject: Update
Just an update to let you know that the activated carbon system was put back online yesterday afternoon,
1/27. The warmer weather helped and we were able to get the valve to close, allowing us to put the system
back in service.
Brigette Tinsley
Environmental Engineer
EE/EHS
Fiber Glass/Lexington
473 New Jersey Church Road
Lexington, NC, USA 27292
Tel: [phone] ext. 317
Mobile: [phone]
Fax: [phone]
E-Mail: btinslevnuma.com
Web: www.ppq.com

12
Sent via Federal -Express
January 27, 2014
Ray Stewart
NC DENR, Division of Air Quality
Winston Salem Region
585 Waughtown Street
Winston Salem, NC 27107
Jenifer Carter
NC DENR, Division of Water Quality
Winston Salem Region
585 Waughtown Street
Winston Salem, NC 27107
William Willetts
NC DENR, Division of Air Quality
1641 Mail Service Center
Raleigh, NC 27699-1641
RECEIVED
N.C. Dept. of ENR
MIAR062014
WINSINU _ -;JI
REGIOALOFFICE
Subject: PPG Industries Fiber Glass Products, Inc.
Lexington, NC Davidson County
New Responsible Official
PPG Industries
PPG Industries Fiber Glass Products
473 New Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Phone: [phone]
Jeff Smith
Manufacturing Manager
Please note that effective January 1, 2014, I became the Manufacturing Manager for PPG Lexington, NC
fiberglass facility. I am now the responsible official for this site and will sign all required documents on
behalf of this facility as required by NC Division of Environment and Natural Resources.
Brigette Tinsley remains the technical contact for the facility.
Sincerely,
eff Smith
Manufacturing Manager

Carter, Jenifer
From: Basinger, Corey
Sent: Monday, August 19, 2013 10:16 AM
To: Tinsley, Brigette
Cc: Carter, Jenifer; Moore, Cindy
Subject: RE: PPG Lexington - Aquatic Toxicity Testing Delay
Brigette,
The Division has approved your request to conduct your quarterly toxicity sampling for the FY2013 3rd quarter no later
than the second week of September, due to the facts stated in your email below. Please include a copy of this email
with the test results.
Thanks.
Corey
W. Corey Basinger
Regional Supervisor
Surface Water Protection Section
Winston-Salem Regional Office
Division of Water Resources
Email: [e-mail]
Phone: [phone]
Fax [phone]
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
-----Original Message -----
From: Tinsley, Brigette [mailto:[e-mail]]
Sent: Monday, August 19, 2013 8:26 AM
To: Basinger, Corey
Subject: PPG Lexington - Aquatic Toxicity Testing Delay
Importance: High
Mr. Basinger,
As we discussed this morning, our plant's wastewater permit requires quarterly toxicity testing in February, May,
August, and November. We need to make repairs to one of our carbon vessels prior to conducting toxicity testing. This
work requires the vessel to be emptied of carbon, and work to be performed by an R-Stamp certified welder. This work
was scheduled to commence this week but must be delayed due to the heavy rain. R-stamp welders are not allowed to
conduct this work in rain. Therefore, we will need to move the carbon change and repair work out 1-2 weeks,
dependant upon the carbon supplier's schedule and weather. We request permission to postpone the quarterly aquatic
toxicity testing to no later than the 2nd week of September. This will allow us to make the necessary repairs and have
all permitted equipment fully operational when conducting this test.

We thank you in advance for your assistance in working with our maintenance/repair needs, and look forward to your
response.
Brigette Tinsley
Environmental Engineer
[phone] ext 317

Water Pollution Control System Operator Designation Form
WPCSOCC
NCAC 15A 8G .0201
�r� d�� �s�. i �d d
Permittee Owner/Officer Name: t f Str i e-S �tb U1 �l� S &,�*i _�
Mailing Address: (3 r `t� w , e-'f T-y C' �wc_ki Pd a d
L'r51
City: StateNC Zip Phone
Email address: CAOD`}h t
Si ature•
Date:
/o-�(-/3
.............................................................................
Facilit..Name:.......R.�...-. _ e X In o ...N C Permit #: t `A C 0 0 0 4 4P 26
Y —.
SUBMIT A SEPARATE FORM FOR EACH TYPE SYSTEM!
Facility Type/Grade:
Biological WWTP Surface Irrigation
Physical/Chemical Land Application
Collection System
....................................................... ...............................
Operator in Responsible Charge (ORC) QAN&c 1(LS y, }'­C b( y
Print Full Name:
Certificate Type / Grade / Number:
Signature:
Work Phone #:
Date:
"I certify that I agree to my designation as the Operator in Responsible Charge for the facility noted. I understand and will abide by the rules
and regulations pertaining to the responsibilities of the ORC as set forth in 15A NCAC 08G .0204 and failing to do so can result in Disciplinary
Actions by the Water Pollution Control System Operators Certification Conunission...............
.........................................................................................
Back-Up Operator in Responsible Charge (BU ORC)
Print Full Name: Gl S
Certificate Type / Grade / Number:
Signature:
�( S
SC C (3�_
-Cj — ✓\ u
Work Phone #: i
Date:
e.
`-I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission.".'...,.....
.......................................................................................................
Mail or fam t/re original to: WPCSOCC, 1618 Mail Service Center, Raleigh, NC 27699-1618 Fax: [phone]
Mail or far a copy to the Asheville
Fayetteville
225 Green St
Mooresville
610 E Center Ave
Raleigh
3800 Barrett Dr
appropriate Regimial Office: 2090 US Hwy 70
Swannanoa 28778
Suite 714
Suite 301
Raleigh 27609
Fax: [phone]
Fayetteville 28301-5043
Mooresville 28115
Fax: [phone]
Phone:[phone]
Fax:[phone]
Fax:[phone]
Phone:[phone]
Phone:[phone]
Phone:[phone]
Washington
Wilmington
Winston-Salem
943 Washington Sq Mall
127 Cardinal Dr
585 Waughtown St
----Washmgtoir278g9---
, mington.2840S-2845
Wincron-Salem27107
Fax:[phone]
Fax:[phone]
Fax:[phone]
Phone:[phone]
Phone:[phone]
Phone:[phone]
Revised 10-2012

Facility Name:
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name:
Permit #:
YLO
Certificate Type / Grade / Number: Ee IL a,� ��� Work Phone #:
Signature:
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
.................................................................................................................................................
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name: \
Certificate Type / Grade / Number: W V1I 12-/ q q 9 2 13Z Work Phone #: (3 3(°) 3S% " $/ 5_/ X� 31)
Date: /0 j - 1-3
"I certify that T agree to my designation as a Bi&--up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
...........................................................................................................................I....................
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name:
Certificate Type / Grade / Number: Work Phone #:
Signature:
"T certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Conuuission."
.................................................................................................................................................
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name:
Certificate Type / Grade / Number:
Signature:
Work Phone M
"I certify that T agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. T understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
..........................................................................................................................................................................
Revised 10-2012

N'I
The State of North Carolina
Water Pollution Control System Operators Certification Commission
hereby certifies that
Brigette Michelle Tinsley
has met the requirements for certification established by the Certification Commission
pursuant to Article 3, Chapter 90A, of the North Carolina General Statutes as a
Grade 2 BIOLOGICAL Operator
V O oF� XA
C
U �
c
0 - o
JaJPM * Uo\Sy -
yI 0 -
°4A
W. Corey Basinger, Chairman of Commission
Certificate Number 999282
Certificate Issued September 12, 2013
I

11
SENT VIA FEDERAL EXPRESS
October 4, 2013
WPCSOCC
1618 Mail Service Center
Raleigh, NC 27699-1618
PPG Industries
PPG Industries Fiber Glass Products, Inc
473 New Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Brigette Tinsley
Environmental Engineer
Phone [phone] A 317
E-Mail [e-mail]
Attached is an updated Water Pollution Control System Operator Designation Form for
the PPG Industries Fiber Glass Products Inc facility in Lexington, NC. We are
requesting additions to the Biological WWTP designations for NPDES Permit
NC0004626. We last updated the list of ORC and Back -Ups on July 17, 2012 to reflect
a new ORC and two Back -Up ORCs. The attached form is enclosed to add a third
Back -Up ORC, Brigette Tinsley, WW2.
Designations for PPG Lexington, NC Plant
Name
ORC
Back -Up
ORC
Grade /
Certificate #
Requested Date
Charles Mabry
X
WW3 / 25822
July 17, 2012
David Segers
X
WW4 / 3366
July 17, 2012
Kenneth Cupp
X
WW4 / 6588
July 17, 2012
Brigette Tinsley
X
WW2 / 999282
October 4, 2013
Should there be any questions, please feel free to contact me.
Sincerely,
LTA
Brig a Tinsley
Environmental Enginee
cc: Charles Mabry, ORC
NC Division of Water Quality, WSRO — Jenifer Carter

NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue
Governor
Charles Wakild, P. E.
Director
December 4, 2012
Ms. Brigette Tinsley
PPG Industries Fiber Glass Products, Inc.
P.O. Box 949
Lexington NC, 27293
ZIfir, - 7ZO 6,OD blo4M,14 �n' m tt of sCrahk
Dear Ms. Tinsley:
Dee Freeman
Secretary
Subject: Draft NPDES Permit
Major Modification
Permit NC0004626
Lexington Plant
Davidson County
Class III Facility
Enclosed with this letter is a copy of the draft permit for your facility. Please review the
draft very carefully to ensure thorough understanding of the conditions and requirements it
contains.
The draft permit contains following significant changes from your current permit:
• A quarterly monitoring for Cd was added to the permit based on the results of the statistical
analysis of the effluent data.
• A quarterly monitoring for Tl was added to the permit based on the results of the statistical
analysis of the effluent data. The limit was not added since the facility certified that Tl is not used
in the production. Monitoring is necessary to verify that Tl is not appeared in the discharge due to
the new scrubber operation.
• A quarterly monitoring for F was added to the permit to determine impact of the new scrubber
addition that is designed to remove the residual fluoride from the exhaust air.
• A quarterly monitoring for Hg was added to the permit to implement a Statewide Mercury TMDL.
• A limit for Se was added to the permit based on the results of the statistical analysis of the effluent
data. A monthly monitoring for Se was added to the permit due to the introduction of the Se limit.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Ralegh, North Carolina 27604
Phone: [phone] FAX: [phone]
Intemet: www.ncwaterguality.org
An Equal Opportunity', Affirmative Action Employer
One
No Carolina
aturally

Please submit any comments to me no later than thirty days following your receipt of the draft.
Comments should be sent to the address listed at the bottom of this page. If no adverse comments are
received from the public or from you, this permit will likely be issued in late January, with an effective date
of March 1, 2012.
Please note that this discharge ultimately flows to High Rock lake, which is listed as impaired on
the 303(d) list for chlorophyll -a due to excessive nutrient inputs. A TMDL is currently in progress, and
nutrient limitations are a potential future requirement.
If you have any questions about the NPDES permit process, please contact me at the following e-
mail address: sergei.chernikov, c2 ncdenr.gov, or telephone number: 919-807-6393.
Sincerely,
Sergei Chernikov, Ph.D.
Environmental Engineer II
Complex NPDES permitting Unit
cc: NPDES Files
EPA Region IV
Winston-Salem Regional Office / Surface Water Protection Section (e-copy)
TACU (e-copy)
Aquatic Toxicology Unit (e-copy)

Permit No. NC0004626
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
Draft 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,
PPG Industries Fiber Glass Products, Inc.
is hereby authorized to discharge wastewater from a facility located at
Lexington Manufacturing Facility
New Jersey Church Road
Lexington
Davidson County
to receiving waters designated as North Potts 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.
This permit shall become effective
This permit and authorization to discharge shall expire at midnight on May 31, 2014.
Signed this day
Charles Wakild P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit No. NC0004626
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked. As of this permit
issuance, any previously issued permit bearing this number is no longer effective. Therefore, the exclusive authority to operate
and discharge from this facility arises under the permit conditions, requirements, terms, and provisions included herein.
PPG Industries Fiber Glass Products, Inc. is hereby authorized to:
1. Continue to operate an existing 0.6 MGD wastewater treatment facility consisting of the
following components:
• Mechanical bar screen
• Comminutor
• Equalization basin
• Chemical mixing tanks
• Primary clarifier
• Nutrient addition
• Dual aeration basins
• Final clarifier
• Sodium hypochlorite with chlorine contact chamber
• De -chlorination system
• Backup clarifier system
• Dual activated carbon adsorption units with pH adjustment
• Backwash equalization basin
• Belt dewatering press
• Sludge holding
The facility is located at PPG's Lexington manufacturing facility on New Jersey Church
Road in Lexington, Davidson County.
2. Discharge from said treatment works at the location specified on the attached map into
North Potts Creek which is classified C waters in the Yadkin -Pee Dee River Basin.

Permit No. NC0004626
A (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is
authorized to discharge wastewater treatment plant effluent from outfall serial number 001. Such discharges
shall be limited and monitored by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
MONITORING REQUIREMENTS
Monthly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location'
Flow
0.6 MGD
Continuous
Recording
I or E
BOD, 5 day, 20°C
(April 1- October 31
157lbs/day
314 Ibs/day
2/Month
Composite
E
BOD, 5 day, 20°C
(November 1 - March 31
3141bs/day
630 lbs/day
2/Month
Composite
E.
Total Suspended Solids
(April 1- October 31
105 lbs/day
168 Ibs/day
2/Month
Composite
E
Total Suspended Solids
(November 1 - March 31
1461bs/day
292 lbs/day
2/Month
Composite
E
NH3-N
Weekly
Composite
E
Oil and Grease
30.0 mg/L
60.0 mg/L
2/Year
Grab
E
Fecal Coliform
(geometric mean
200/100 mL
400/100 mL
2/Month
Grab
E
Total Residual Chlorine2
28.0 µg/ L
Weekly
Grab
E
Temperature
Weekly
Grab
E
Total Kjeldahl Nitrogen
Weekly
Composite
E
NO2 + NO3
Weekly
Composite
E
Total Phosphorus
Weekly
Composite
E
pH3
Weekly
Grab
E
Total Cadmium C
arterl
Composite
E
Total Thallium -TT
Quarterly
Composite
E
Total Fluoride
arter
Composite
E
Total Selenium
0.4 µg/ L
106.6 µg/ L
Monthly
Composite
E
Total Mercury4
iQuarter
y
Grab
E
Chronic Toxicity5
Quarterly
Composite
E
Notes:
1. Sample locations: E - Effluent, I - Influent
2. Facility shall report all effluent TRC values reported by a NC certified laboratory including field certified.
However, effluent values below 50 µg /L will be treated as zero for compliance purposes.
3. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
4. The facility shall employ method 1631E.
5. Chronic Toxicity (Ceriodaphnia) P/F at 48%; February, May, August, and November; See condition A(2) of
the Supplement to Effluent Limitations and Monitoring Requirements portion of this permit.
There shall be no discharge of floating solids or foam visible in other than trace amounts.

Permit No. NC0004626
SUPPLEMENT TO EFFLUENT LIMITATIONS
AND MONITORING REQUIREMENTS
SPECIAL CONDITIONS
A(2). CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant mortality to Ceriodaphnia
dubia at an effluent concentration of 48 %.
The permit holder shall perform at a minimum, agu rterl 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 February, May, August and November. 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 THP313
for the Chronic Value. Additionally, DWQ Form AT-3 (original) is to be sent to the following address:
Attention: North Carolina Division of Water Quality
Environmental Sciences Section
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Section 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 Section 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. If the Permittee monitors any pollutant more frequently then required by
this permit, the results of such monitoring shall be included in the calculation & reporting of the data submitted on the DMR
& all AT Forms submitted.
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.

NCDENR/DWQ
FACT SHEET FOR MAJOR MODIFICATION for NPDES PERMIT
PPG Industries Fiber Glass Products, Inc
NC0004626
1.0 Proposed Changes Incorporated into Permit Renewal
• A quarterly monitoring for Cd was added to the permit based on the results of the
statistical analysis of the effluent data.
• A quarterly monitoring for Tl was added to the permit based on the results of the
statistical analysis of the effluent data. The limit was not added since the facility certified
that Tl is not used in the production. Monitoring is necessary to verify that Tl is not
appeared in the discharge due to the new scrubber operation.
• A quarterly monitoring for F was added to the permit to determine impact of the new
scrubber addition that is designed to remove the residual fluoride from the exhaust air.
• A quarterly monitoring for Hg was added to the permit to implement a Statewide
Mercury TMDL.
• A limit for Se was added to the permit based on the results of the statistical analysis of
the effluent data. A monthly monitoring for Se was added to the permit due to the
introduction of the Se limit.
2.0 Summary
PPG Industries Fiber Glass Products, Inc operates a fiberglass fiber manufacturing facility in
Lexington, NC. The Lexington plant currently concentrates the bulk of its fiberglass yarn
manufacturing on the textile industry as well as the printed circuit board industry.
Manufacturing begins with glass raw materials including limestone, silica, boron, clay and
fluorspar. These raw materials are blended in powder form and added to melt furnaces. The
batch -melt furnaces, operating at 2800°F transform the batch into molten glass. The molten glass
is then drawn from the furnaces through electrically heated platinum bushings into continuous
fibers. These fibers are gathered into strands and either spooled or chopped into specified
lengths. Water sprays cool the glass and keep strand contact points clean during the winding
process.

NPDES Permit Fact Sheet — 11/29/ 12
Page 2
PPG Industries/ Lexington Facility
NC0004626
PPG's Lexington facility discharges through a single permitted outfall, 001. This outfall is from
the wastewater treatment plant and receives the following kinds of wastewater:
➢ Sanitary (American Children's Home) ➢ Process W W
➢ In -plant sanitary ➢ Non -contact cooling water
➢ Boiler feed ➢ Sludge dewatering
As part of a settlement agreement reached in 1995, instream monitoring is not a current permit
requirement. The facility was required to monitor at 10 instream stations once during the
summer of 1995 and once in 1996. Monitored parameters were DO, temperature, conductivity,
pH, total phosphorus, nitrate, nitrite, ammonia and TKN. The monitoring was completed as
required and is not proposed with this renewal.
Current effluent limitations for BOD5 and TSS appear to be based on water quality protection and
not on federal guidelines. Extensive research was conducted during the 1998 renewal to
determine if any federal guidelines exist for such a manufacturing operation. Neither textile nor
glass guidelines applies to PPG's process. A review of the WLA file indicates that the limits
installed in 1983 were based on BPJ.
This Major Modification is required to accommodate the installation of the new packed -bed
counter flow wet scrubber in series with the exhaust of existing air pollution controls on its fiber
glass manufacturing Furnace 509. The scrubber will be installed to comply with the new air
emission requirements. The purpose of the new wet scrubber is to remove residual fluoride from
the exhaust air. The scrubber will generate approximately 4,300-7,200 g/day of wastewater. The
blowdown stream will be comprised of once -through city intake water, with addition of sodium
hydroxide or potassium hydroxide, as needed, to maintain neutral pH of the scrubber blowdown
before it comingles with other wastewater. The combined wastewater will be processed though
the treatment plant.
The facility discharges to North Potts Creek. North Potts is tributary to High Rock Lake and is
not listed on the State's 303(d) list
3.0 Compliance Summary
The facility has an excellent compliance history, during the review period (07/2009 through
10/2012) the facility had no Notices of Violations. The last compliance evaluation inspection
conducted on 02/19/2008 concluded that facility is "well maintained and operated".
4.0 WET Test
PPG Industries has been consistently passing WET test during the review period with one
exception. The subsequent monthly WET tests passed. Chronic P/F ® 48% (also recommended
with renewal)
5.0 RPA
The Reasonable Potential Analysis was conducted based on the results of a trial with a small-
scale temporary pilot scrubber. Please see attached.
6.0 Proposed Schedule for Permit Issuance
Draft Permit to Public Notice: December 4, 2012 (est.)
Permit Scheduled to Issue: January 18, 2012 (est.)

NPDES Permit Fact Sheet - 11 / 29 / 12
Page 3
PPG Industries/ Lexington Facility
NC0004626
7.0 State Contact Information
If you have any questions on any of the above information or on the attached permit, please
contact Sergei Chernikov [phone].
Regional Office Comments:
Regional Recommendation by:
Signature Date

12
September 27, 2012
Sergei Chernikov
Division of Water Quality
Surface Water Protection Section - NPDES
1617 Mail Service Center
Raleigh, NC 27699-1617
RECEIVED
N.C.Dept. of ENR
OCT 0 2 2012
Winston-Salem
Regional Office
PPG Industries, Inc.
PPG Industries Fiber Glass Products, Inc
473 New Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Todd Douthit
Manufacturing Manager
Phone [phone]
Fax [phone]
E-Mail [e-mail]
Subject: Permit Determination Request for Treatment of Wet Scrubber Blowdown Water
PPG Industries Fiber Glass Products, Inc.
Lexington, NC Facility — Wastewater Treatment Plant
NPDES Permit NC0004626
Dear Mr. Chemikov:
The PPG Industries Fiber Glass Products, Inc. Lexington, NC facility ("PPG") currently operates a
wastewater treatment plant ("WWTP") authorized by NPDES Permit #NC0004626. This letter requests
a permitting determination for a project that will add a new wastewater stream to the influent of the
WWTP. PPG believes this minor addition does not trigger any permitting requirements for the reasons
provided herein. This letter is to notify NC DWQ of the proposed change and to request confirmation
that a permit application is not required before this project commences. A description of the project is
outlined below.
Project Description
To comply with air emission requirements, the Lexington facility must add a packed -bed counter flow
wet scrubber in series with the exhaust of existing air pollution controls on its fiber glass manufacturing
Furnace 509. The purpose for the new wet scrubber is to remove residual fluoride from the exhaust air
that could not be adequately removed by the existing dry -scrubber and baghouse Emission Control
System. The facility recently submitted an air permit application for the wet scrubber to North Carolina
DAQ (Raleigh Office), and their review is in progress. The construction timeline for the addition of the
wet scrubber is January 2013, with startup anticipated by the end of February 2013. Once the wet
scrubber commences operation, it will generate approximate) 3-5 gallons/minute (4,300-7200
gallons/day) blowdown water. a ow own stream will be comprised of once-thr uo g city m
water, with addition of sodium hydroxide and/or potassium hydroxide, as needed, to maintain neutral pH
of the scrubber blowdown before it comingles with other wastewater. The combined wastewater will be
processed through the treatment plant.

In preparation for this project, PPG conducted a trial with a small-scale temporary pilot scrubber on a
slip -stream of the furnace exhaust. Blowdown water from the pilot unit was evaluated for aquatic
toxicity, organics, and metal constituents to profile anticipated characteristics of this wastewater stream.
In addition, a bench -scale treatability study was conducted to ensure that the WWTP can adequately
process the new wastewater stream. All results indicate that the blowdown water is compatible with
existing WWTP operations and will have no impact on existing permitted parameters. The scrubber
blowdown water will not add any new chemical constituents to the existing WWTP effluent.
Proposed Changes
The only change proposed by this project is to add up to 4300-7200 gallons/day of pH adjusted blowdown
water to the existing WWTP influent, per the schematic shown on Attachment 1. The maximum
blowdown daily flow will be 7,200 gallons/day which is approximately 1% of the WWTP's current daily
flow. The WWTP has adequate capacity to treat up to 0.6 MGD and no change is required to the
permitted discharge flow. The blowdown water will be routed to existing drainage systems within the
plant. No piping changes are required to route the blowdown water to the WWTP. No physical changes
to piping or equipment will be made to the WWTP processes. No changes will be made to any operations
in the current WWTP.
Impact of Proposed Changes
The proposed addition of scrubber blowdown water to the existing WWTP influent is expected to have no
impact on the current WWTP operations or its current permit:
• There will be no change to the design or operation of the existing permitted wastewater treatment
facility.
• There will be no change in the wastewater treatment facility's permitted discharge flow.
• There will be no change to the treatment facility's effluent profile of chemicals or toxicity
parameters.
• The wastewater treatment facility's existing permit application will continue to accurately
represent its design and operation.
• The facility's existing wastewater permit continues to accurately represent the operation and the
facility will continue to be able to comply with all existing permit terms and conditions.
The facility wishes to initiate operation of the new wet scrubber by late February 2013. This letter is to
inform NC DWQ of the proposed change and confirm that a permit application is not required, since the
treatment of the scrubber water will not affect the current permit's terms, conditions, or limitations.
Should you have any questions regarding the above information, or if a phone call or meeting is necessary
to discuss this in more detail, please contact Brigette Tinsley at 336-357-8151 Ext 317.
Sincerely,
C:1V-
Todd Douthit
Manufacturing Manager
Cc: Jenifer Carter, NCDWQ Winston Salem Regional Office
Brigette Tinsley
Pat Pride — PPG GBDC
Alan McConnell — Kilpatrick Townshend & Stockton

ATTACHMENT
PROCESS SCHEMATIC

A�
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Charles Wakild, P.E.
Governor Director
September 14, 2012
Davidson County Planning & Zoning Dept.
Attn: Mr. Scott Leonard
P.O. Box 1067
Lexington, NC 27292-1067
SUBJECT: Request for Information
PPG Industries, Inc. Compliance Status
Dear Mr. Leonard
Dee Freeman
Secretary
As of the most recent inspection May 23, 2012, PPG Industries is compliant with their National
Pollutant Discharge Elimination System (NPDES) permit. If you require more information, please do not
hesitate to contact me at [phone].
Sincerely,
�/W. Corey Basinger
Surface Water Regional Supervisor
Winston-Salem Regional Office
Division of Water Quality
North Carolina Division of Water Quality, Winston-Salem Regional Office
Location: 585 Waughtown Street, Winston-Salem, NC 27107
Phone: [phone] Fax: [phone]/ Customer Service: 1-877-623-6748
Intemet: http://portal.nodenr.org/web/wq
oni On
e
Naturally
An Equal Opportunity 1 Affirmative Action Employer

N.C.Dept. of ENR
JUL 18 2012
Winston-Salem
SENT VIA FEDERAL EXPRESS
July 17, 2012
WPCSOCC
1618 Mail Service Center
Raleigh, NC 27699-1618
PPG Industries
PPG Industries Fiber Glass Products, Inc
473 New Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Brigette Tinsley
Environmental Engineer
Phone [phone] A 317
Fax [phone]
E-Mail [e-mail]
Attached please fmd updated Water Pollution Control System Operator Designation
Forms for the PPG Industries Fiber Glass Products Inc facility in Lexington, NC
(NPDES Permit NC0004626) for the Biological WWTP and for Physical/Chemical
processes.
Should there be any questions, please feel free to contact me.
Sincerely,
Brigette Tinsley
Environmental Engineer
Cc: Charles Mabry, ORC
NC Division of Water Quality, WSRO — Jenifer Carter

Water Pollution Control System Operator Designation Form
WPCSOCC
NCAC 15A 8G .0201
Permittee Owner�fficer Name G �� dlls+C i tiS 1 t b t ( t%l u sS �yDc�uc c
Mailing Address: -4 7 3 I �l c4j _�(-
City: I ,Q-_kk State: N CZip:.Z7Z r( 2-
_
Email address: Qtoc�� • i
Signature:
Phone #:
Date: 7 - 13 " / Z
Facility Name: Rp �+� `- ��-�t ✓�i,� N Permit#: L000 4�- Z 10
SUBMIT A SEPARATE FORM FOR EACH TYPE SYSTEM!
Facilitv Tvne/Grade:
Biological WWTP —IN Surface Irrigation
Physical/Chemical Land Application
Collection System
Operator in Responsible Charge (ORC)
Print Full Name:
- e /
Certificate Type / Grade / Number: VY Wh 15 g � Work Phone #: 1(`3►3b ) 3 5 % " 315 I .Y 3 a-3
Signature: i Date: / ��� �1 a-
"I certify that I agree to my designation as the Operator in Responsible Charge for the facility noted. I understand and will abide by the rules
and regulations pertaining to the responsibilities of the ORC as set forth in 15A NCAC 08G .0204 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
.................................................................................................................................................
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name:
S�
Certificate Type / Grade / Number: JIV W 3 (,P (o Work Phone #: (33 (,) 3 5-.2
e
Signature: Date:
"I certify that I agree to my designation as a Back-up 0 rator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
..................................................................................................................................................
Mail or fax the original to: WPCSOCC, 1618 Mail Service Center, Raleigh, NC 27699-1618 Fax: [phone]
Mail or fax a copy to the Asheville
Fayetteville
Mooresville
Raleigh
appropriate Regional Office: 2090 US Hwy 70
225 Green St
610 E Center Ave
3800 Barrett Dr
Swannanoa 28778
Suite 714
Suite 301
Raleigh 27609
Fax: [phone]
Fayetteville 28301-5043
Mooresville 28115
Fax: [phone]
Fax:[phone]
Fax:[phone]
Washington
943 Washington Sq Mall
Washington 27889
Fax: [phone]
Wilmington
127 Cardinal Dr
Wilmington 28405-2845
Fax: [phone]
Winston-Salem
585 Waughtown St
Winston-Salem 27107
Fax: [phone]
Revised 6-2012

Facility Name: �' ��t ✓� ",�C w 1. C Permit #: NL C 0 0 0 1 Z
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name: 0�� ed�/ P. iL �t Q� I� r' u- 4 aQ
Certificate Type / Grade / Number: W U/� t( Work Phone #: (336) 7-/S�l
Signature: Z7 ,t9 k, Date: 6-2 F — 1 Z
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name:
Certificate Type / Grade / Number:
Signature:
Work Phone #: ( )
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name:
Certificate Type / Grade / Number:
Signature:
Work Phone M
Date:
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
.................................................................................................................................................
Back -Up Operator in Responsible Charge (BU ORC)
Print Full Name:
Certificate Type / Grade / Number:
Signature:
Work Phone #: ( )
Date:
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
..........................................................................................................................................................................
Revised 6-2012

A 0
r��-
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Charles Wakild, P.E.
Governor Director
June 22, 2012
Ms. Bridgette Tinsley
PPG Industries, Inc.
P.O. Box 949
Lexington, NC 27293
SUBJECT: Compliance Evaluation Inspection
PPG Industries, Inc.
Permit No. NC0004626
Davidson County
Dear Ms. Tinsley:
Dee Freeman
Secretary
A Compliance Evaluation Inspection was performed at PPG Industries on May 23, 2012 by Jenifer Carter
of the Winston-Salem Regional Office. You, Mr. David Segers and Mr. Charles Mabry were present for
the inspection. This type of inspection consists of two basic parts: a review of facility files and self -
monitoring data, and an on -site inspection of the facility. The following are the findings from the subject
inspection:
A review of self -monitoring data since the last inspection did not reveal any limits violations. Lab data
correlates correctly with data on the submitted Discharge Monitoring Reports.
Some of the effluent line was pigged since the last inspection to reduce build-up along older sections of
piping. Waste from the cleanout process was captured and land -filled.
A small spill of untreated influent was reported in March 2010, when a surge of process hot water caused
scouring of pipes, which plugged the helisieve, causing overtopping of containment curbing. The spill
was contained in a ditch, with all of it being captured before reaching surface waters. A new containment
tank has since been installed to capture any future spills at or near the headworks of the treatment plant.
Overall the plant appears to be well maintained and operated. The Division appreciates your efforts to
maintain compliance and to protect surface waters, in particular, the prompt corrective actions taken when
problems have occurred. Please review the enclosed inspection form for more detailed information. If
you have any questions, please call Jenifer Carter at [phone].
enclosure
cc: SWP central files
WSRO files
North Carolina Division of Water Quality, Winston-Salem Regional Office
Location: 585 Waughtown St. Winston-Salem, North Carolina 27107
Phone: [phone] FAX: [phone] Customer Service: 1-877 623 6748
Internet: www.ncwateryuality.org
Sincerely,
W. Corey Basinger
Surface Water Regional Supervisor
Winston-Salem Regional Office
Division of Water Quality
NorthCarolina
NaturallY
An Equal Opportunily'. Affirmative Action Employer

United States Environmental Protection Agency
Form Approved.
Washington, D.C. 20460
EPA
OMB No. 2040-0057
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type
1 I N I 2 15 I 11 NC0004626 111 121 12/05/23 117 181 C I 19I S I 201 I
Remarks
21111111111111111111111111 111111111111111111111116
Inspection Work Days Facility Self -Monitoring Evaluation Rating 61 QA ----------- -------------- Reserved-----------------
67I 169 - 7014 71 NI 72 —I 7374 751 I I ( I I 80
W
Section B: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
Entry Time/Date
Permit Effective Date
POTW name and NPDES permit Number)
10:00 AM 12/05/23
09/09/01
PPG Industries Fiber Glass Products
Exit Time/Date
Permit Expiration Date
473 New Jersey Church Rd
Lexington NC 27293
12:00 PM 12/05/23
14/05/31
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)
Other Facility Data
///
Bridgette Tinsley//336-357-8151 /
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Todd Douthit,473 New Jersey Church Rd Lexington NC 27293//336-357-8151/3363577171 No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Flow Measurement Operations & Maintenance Records/Reports
kFermit
elf -Monitoring Program Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date
Jenifer arter WSRO WQ//336-771-5000/
— cae_'� &/ate 470
Signatyre of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
q
EPA Form 3560-3 (Rev 9-94) Previous editio�are obsolete.
Page # 1

NPDES yr/mo/day Inspection Type
3 NC0004626 11 12 12/05/23 I17 18�J
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
Page # 2

Permit: NC0004626
Inspection Date: 05/23/2012
r%---.a
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
(If the present permit expires in 6 months or less). Has the permittee submitted a new application?
Is the facility as described in the permit?
# Are there any special conditions for the permit?
Is access to the plant site restricted to the general public?
Is the inspector granted access to all areas for inspection?
Comment: One of two aeration basins has been converted to an additional EQ basin.
Record Keeping
Are records kept and maintained as required by the permit?
Is all required information readily available, complete and current?
Are all records maintained for 3 years (lab. reg. required 5 years)?
Are analytical results consistent with data reported on DMRs?
Is the chain -of -custody complete?
Dates, times and location of sampling
Name of individual performing the sampling
Results of analysis and calibration
Dates of analysis
Name of person performing analyses
Transported COCs
Are DMRs complete: do they include all permit parameters?
Has the facility submitted its annual compliance report to users and DWQ?
(If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift?
Is the ORC visitation log available and current?
Is the ORC certified at grade equal to or higher than the facility classification?
Is the backup operator certified at one grade less or greater than the facility classification?
Is a copy of the current NPDES permit available on site?
Facility has copy of previous year's Annual Report on file for review?
Comment:
Effluent Sampling
Is composite sampling flow proportional?
Yes No NA NE
Yes No NA NE
Yes No NA NE
Page # 3

Permit: NC0004626
Inspection Date: 05/23/2012
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Effluent Sampling
Is sample collected below all treatment units?
Is proper volume collected?
Is the tubing clean?
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)?
Is the facility sampling performed as required by the permit (frequency, sampling type representative)?
Comment:
Flow Measurement - Effluent
Yes No NA NE
■❑❑❑
■❑❑❑
■❑❑❑
■❑❑❑
■❑❑❑
Yes No NA NE
# Is flow meter used for reporting?
■
❑ ❑
❑
Is flow meter calibrated annually?
■
❑ ❑
❑
Is the flow meter operational?
■
❑ ❑
❑
(If units are separated) Does the chart recorder match the flow meter?
■
❑ ❑
❑
Comment: calibration checked on December 29, 2011.
Operations & Maintenance
Yes
No NA
NE
Is the plant generally clean with acceptable housekeeping?
■
❑ ❑
❑
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids,
pH, DO, Sludge ■
❑ ❑
❑
Judge, and other that are applicable?
Comment:
Ye
N NA
NE
Standby Power
s
o
Is automatically activated standby power available?
■
❑
❑
❑
Is the generator tested by interrupting primary power source?
■
❑
❑
❑
Is the generator tested under load?
■
❑
❑
❑
Was generator tested & operational during the inspection?
❑
Q
❑
■
Do the generator(s) have adequate capacity to operate the entire wastewater site?
■
❑
❑
❑
Is there an emergency agreement with a fuel vendor for extended run on back-up power?
■
❑
❑
❑
Is the generator fuel level monitored?
■
❑
❑
❑
Comment: generator is tested under load monthly and PM performed weekly
Bar Screens
Yes
No
NA
NE
Type of bar screen
a.Manual ■
b.Mechanical ■
Page # 4

Permit: NC0004626
Inspection Date: 05/23/2012
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Are the bars adequately screening debris?
Is the screen free of excessive debris?
Is disposal of screening in compliance?
Is the unit in good condition?
Comment:
Equalization Basins
Is the basin aerated?
Is the basin free of bypass lines or structures to the natural environment?
Is the basin free of excessive grease?
Are all pumps present?
Are all pumps operable?
Are float controls operable?
Are audible and visual alarms operable?
# Is basin size/volume adequate?
Comment: float controls/alarm tested monthly.
Chemical Feed
Is containment adequate?
Is storage adequate?
Are backup pumps available?
Is the site free of excessive leaking?
Comment: Lime and ferric chloride fed after primary treatment. pH tested daily.
Primary Clarifier
Is the clarifier free of black and odorous wastewater?
Is the site free of excessive buildup of solids in center well of circular clarifier?
Are weirs level?
Is the site free of weir blockage?
Is the site free of evidence of short-circuiting?
Is scum removal adequate?
Is the site free of excessive floating sludge?
Is the drive unit operational?
Yes
No
NA
NE
■000
■000
■00l0l
moon
Yes
No
NA
NE
n■n❑
■nnp
■nnp
■nnn
■npQ
■000
■000
■nnp
Yes No NA NE
■000
■1100
■000
■0110
Yes No NA NE
■0D0
■000
■nnn
■000
■nnn
■000
■nnn
■nnn
Page # 5

y
Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products ,
Inspection Date: 05/23/2012 Inspection Type: Compliance Evaluation
Primary Clarifier
Yes
No
NA NE
Is the sludge blanket level acceptable?
■
❑
❑ ❑
Is the sludge blanket level acceptable? (Approximately % of the sidewall depth)
■
❑
❑ ❑
Comment: Smaller clarifier being used at the time of the inspection, while the larger
.tank is being re -coated.
Aeration Basins
Yes
No
NA NE
Mode of operation
Ext. Air
Type of aeration system
Diffused
Is the basin free of dead spots?
■
❑
❑ ❑
Are surface aerators and mixers operational?
■
❑
❑ ❑
Are the diffusers operational?
■
❑
❑ ❑
Is the foam the proper color for the treatment process?
■
❑
❑ ❑
Does the foam cover less than 25% of the basin's surface?
■
❑
❑ ❑
Is the DO level acceptable?
■
❑
❑ ❑
Is the DO level acceptable?(1.0 to 3.0 mg/1)
■
❑
❑ ❑
Comment: Stated that DO is typically between 3.0 and 5.0 mg/I. Nutrients fed as flow
enters aeration basin.
Secondary Clarifier
Yes
No
NA NE
Is the clarifier free of black and odorous wastewater?
■
❑
❑ ❑
Is the site free of excessive buildup of solids in center well of circular clarifier?
■
❑
❑ ❑
Are weirs level?
■
❑
❑ ❑
Is the site free of weir blockage?
■
❑
❑ ❑
Is the site free of evidence of short-circuiting?
■
❑
❑ ❑
Is scum removal adequate?
■
❑
❑ ❑
Is the site free of excessive floating sludge?
■
❑
❑ ❑
Is the drive unit operational?
■
❑
❑ ❑
Is the return rate acceptable (low turbulence)?
■
❑
❑ ❑
Is the overflow clear of excessive solids/pin floc?
■
❑
❑ ❑
Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth)
■
❑
❑ ❑
Comment:
Disinfection -Liquid
Yes
No
NA NE
Page # 6

Permit: NC0004626 Owner - Facility:
Inspection Date: 05/23/2012 Inspection Type:
PPG Industries Fiber Glass Products
Compliance Evaluation
Disinfection -Liquid
Yes
No NA
NE
Is there adequate reserve supply of disinfectant?
■
❑
❑
❑
(Sodium Hypochlorite) Is pump feed system operational?
■
❑
❑
❑
Is bulk storage tank containment area adequate? (free of leaks/open drains)
■
❑
❑
❑
Is the level of chlorine residual acceptable?
■
❑
❑
❑
Is the contact chamber free of growth, or sludge buildup?
■
❑
❑
❑
Is there chlorine residual prior to de -chlorination?
■
Cl
fl
Comment:
Filtration (High Rate Tertiary)
Yes No
NA
NE
Type of operation:
Down flow
Is the filter media present?
■ ❑
❑
❑
Is the filter surface free of clogging?
■ ❑
❑
❑
Is the filter free of growth?
■ ❑
❑
❑
Is the air scour operational?
❑ ❑
■
Is the scouring acceptable?
❑❑■❑
Is the clear well free of excessive solids and filter media?
❑ ❑
■
Cl
Comment:
De -chlorination
Yes No
NA
NE
Type of system ?
Is the feed ratio proportional to chlorine amount (1 to 1)?
Is storage appropriate for cylinders?
# Is de -chlorination substance stored away from chlorine containers?
Comment:
Are the tablets the proper size and type?
Are tablet de -chlorinators operational?
Number of tubes in use?
Comment: Final pH adjustment following dechlorination.
Pump Station - Effluent
Is the pump wet well free of bypass lines or structures?
Are all pumps present?
Are all pumps operable?
❑❑■❑
❑ ❑ ■ ❑
Yes No NA NE

Permit: NC0004626
Inspection Date: 05/23/2012
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Pump Station - Effluent
Are float controls operable?
Is SCADA telemetry available and operational?
Is audible and visual alarm available and operational?
Comment:
Effluent Pipe
Is right of way to the outfall properly maintained?
Are the receiving water free of foam other than trace amounts and other debris?
If effluent (diffuser pipes are required) are they operating properly?
Comment:
Yes No NA NE
■ n ❑ n
nn■n
nn■n
Yes No NA NE
Page # 8
4

1AI-L-
3 ` Cover Sheet from
Staff Member to
(� Regional Supervisor
DMR Review Record
Facility: G ---4 31fi1 '6 Permit/Pipe No.: NC OD U 0,24 Month/Year c2d�
Monthly Average Violations
Parameter Permit Limit DMR Value To Over Limit
Weekly/Daily Violations
Date Parameter Permit LimiVl'vpe DMR Value % Over Limit
Monitoring Frequency Violations
Date Parameter Permit Fre uencv Values Reported # of Violations
12A- �� � -- I
Other Violations
41. 1xf l ftz
U
►-7
Completed by: Ca.Date: . 31q Z(L
Regional Water Quality U0
Supervisor Signoff: '� Date: (��
0�

'Pryy, AWIFA
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins
Governor Director
October 26, 2010
CERTIFIED MAIL: 7002 3150 0003 7052 3842
RETURN RECEIPT REQUESTED
Mr. Todd Douthit
PPG Industries, Inc.
473 New Jersey Church Rd.
Lexington, North Carolina 27293
Subject: NOTICE OF VIOLATION
Effluent Toxicity Testing
NPDES Permit No. NC0004626
PPG Industries Fiber Glass Products, Inc.
Davidson County
Dear Mr. Douthit:
r_RECE_)_,;1.'[j
N.C. Deo
OCT 2 9 2010
Wins'.
Dee Freeman
Secretary
This is to inform you that a review ofyour toxicity self -monitoring report form for the month of August 2010 indicates a violation of the
toxicity limitation specified in your NPDES Permit.
You should take whatever remedial actions are necessary to eliminate the conditions causing the effluent toxicity violation(s). Your efforts
may include conducting a Toxicity Reduction Evaluation (TRE), a site -specific study designed to identify the causative agents of effluent toxicity,
isolate the sources of toxicity, evaluate the effectiveness of toxicity control options, and confirm reductions in effluent toxicity. Please be aware that
North Carolina General Statutes provide for assessment of civil penalties for violations of NPDES permit limitations and requirements.
The reverse side of this Notice contains important information concerning your Whole Effluent Toxicity Monitoring and Reporting
Requirements. Please note appropriate mailing addresses for submitting your Discharge Monitoring Reports (DMRs) and Aquatic Toxicity (AT)
Test Forms. We encourage you to review this information; if it would be helpful to discuss this situation or possible solutions to resolve effluent
toxicity noncompliance, please contact Mr. John Giorgino with this office at [phone].
lee i___
cc: Steve" er/ Winston-Salem Regional Office
Je i er Carter/ Winston-Salem Regional Office
Aquatic Toxicology Unit
Central Files
Sincerely,
0 - i //
Cindy A. Moore
Supervisor, Aquatic Toxicology Unit
Environmental Sciences Section
1621 Mail Service Center, Raleigh, North Carolina 27699-1621
Location: 4401 Reedy Creek Road, Raleigh, North Carolina 27607
Phone: [phone] FAX: [phone] Customer Service: 1-877-623-6748
Internet: http://h2o.enr.state.nc.us/esb/
Nne
orthCarofina
Naturallt,
An Equal Opportunity 1 Affirmative Action Employer

WHOLE EFFLUENT TOXICITY MONITORING AND REPORTING INFORMATION
➢ The following items are provided in an effort to assist you with identifying critical and sometimes overlooked toxicity testing and reporting
information. Please take time to review this information. The items below do not address or include all the toxicity testing and reporting
requirements contained in your NPDES permit. If you should have any questions about your toxicity testing requirement, please contact Mr.
John Giorgino with the Aquatic Toxicology Unit at [phone] or another Unit representative at the same number.
➢ The eermittee is responsible for ensuring that toxicity testing is conducted according to the permit requirement and that toxicity report forms are
appropriately filed.
➢ The reporting of whole effluent toxicity testing data is a dual requirement. All toxicity test results must be entered (with the appropriate
parameter code) on your monthly Discharge Monitoring Report which is submitted to:
North Carolina Division of Water Quality
Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
IN ADDITION
Toxicity test data (original "AT" form) must be submitted to the following address:
North Carolina Division of Water Quality
Environmental Sciences Section
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
➢ Toxicity test results shall be filed with the Environmental Sciences Section no later than 30 days after the end of the reporting period
(eg, January test result is due by the end of February).
➢ Toxicity test condition language contained in your NPDES permit may require use of multiple concentration toxicity testing upon failure of any
single quarterly toxicity test. If the initial pass/fail test fails or if the chronic value is lower than the permit limit, then at least two multiple
concentration toxicity tests (one per month) will be conducted over the following two months. As many analyses as can be completed will be
accepted. If your NPDES permit does not require use of multiple concentration toxicity testing upon failure of any single quarterly test, you
may choose to conduct either single concentration toxicity testing or multiple concentration toxicity testing per the Division's WET enforcement
initiatives effective July I, 1999. Follow-up multiple concentration toxicity testing will influence the Division's enforcement response.
➢ Toxicity testing months are specified by the NPDES Permit, except for NPDES Permits which contain episodic toxicity monitoring
requirements (eg, if the testing months specified in your NPDES permit are March, June, September, and December, then toxicity testing must
be conducted during these months).
➢ If your NPDES Permit specifies episodic monitoring and your facility does not have a discharge from January I -June 30, then you must provide
written notification to the Environmental Sciences Section by June 30 that a discharge did not occur during the first six months of the calendar
year.
➢ If you receive notification from your contract laboratory that a test was invalidated, you should immediately notify the Environmental Sciences
Section at [phone] and provide written documentation indicating why the test was invalidated and the date when follow-up testing will
occur.
➢ If your facility is required to conduct toxicity testing during a month in which no discharge occurs, you should complete the information block
located at the top of the AT form indicating the facility name, permit number, pipe number, county and the month/year of the subject report.
You should also write "No Flow" on the AT form, sign the forth and submit following normal procedures.
➢ The Aquatic Toxicity Test forms shall be signed by the facility's Operator in Responsible Charge (ORC) except for facilities which have not
received a facility classification. In these cases, a duly authorized facility representative must sign the AT form. The AT form must also be
signed by the performing lab supervisor.
➢ To determine if your AT test forms were received on time by the Division of Water Quality, you may consider submitting your toxicity test
results certified mail, return receipt requested to the Environmental Sciences Section.
Environmental Sciences Section
1621 Mail Service Center, Raleigh, North Carolina 27699-1621
Location: 4401 Reedy Creek Road, Raleigh, North Carolina 27607
Phone: [phone] FAX: [phone] Customer Service: 1-877-623-6748
Internet: http://h2o.enr.state.nc.us/esb/
NorthCarolina
Naturally
An Equal Opportunity � Affirmative Action Employer

Carter, Jenifer
From: Carter, Jenifer
Sent: Monday, July 12, 2010 11:25 AM
To: 'Tinsley, Brigette'
Subject: Pigging of Effluent Lines.
Brigette,
Thanks for the fyi on pigging the lines next week. I don't need to be present, but I am glad to hear you have figured out
a way to capture the discharge during the process. Be sure to keep records in your files about which sections were
done, and the method for capturing the discharge during the pigging. I hope it goes well.
Jenifer Carter
Before printing this email, please consider your budget and the environment.
If you must print, please print only what you need and save ink with the free Eco-Font.
NC DENR Winston-Salem Regional Office
Division of Water Quality
585 Waughtown Street
Winston-Salem, NC 27107
Voice: [phone]
FAX: [phone]
E-mail correspondence to and from this address may be subject to the
North Carolina Public Records Law and may be disclosed to third parties.

Aar",
*A
NCDENR
North Carolina Department of El �vironment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins
Governor Director
April 1, 2010
Ms. Bridgette Tinsley
PPG Industries, Inc.
P.O. Box 949
Lexington, NC 27293
SUBJECT: Compliance Evaluation Inspection
PPG Industries, Inc.
Permit No. NC0004626
Davidson County
Dear Ms. Tinsley:
Dee Freeman
Secretary
A Compliance Evaluation Inspection was performed at PPG Industries on March 3, 2010 by Jenifer
Carter of the Winston-Salem Regional Office. You and Mr. David Segers were present for the inspection.
This type of inspection consists of two basic parts: a review of facility files and self -monitoring data, and
an on -site inspection of the facility. The following are the findings from the subject inspection:
A review of self -monitoring data since the last inspection did not reveal any limits violations. Lab data
correlates correctly with data on the submitted Discharge Monitoring Reports.
Leaks in the effluent channels noted in the last inspection were attributed to reduced flows due to
reductions in production, requiring new softer gaskets to be used. Both lines will be pigged later this year
to reduce build-up along the older sections of piping. As discussed during the inspection, waste from this
cleanout process must be captured and disposed of appropriately, and not be discharged to receiving
waters.
Leaks from the aging roof -top cooling towers have been reported and efforts are ongoing to make the
necessary repairs, increase monitoring, and most notably, to install berms around each one. These efforts
have been made to stay in compliance with their stormwater permit.
Overall the plant appears to be well maintained and operated. The Division appreciates their efforts to
maintain compliance and to protect surface waters. Please review the enclosed inspection form for more
detailed information. If you have any questions, please call Jenifer Carter at [phone].
enclosure
cc: SWP central files
SRO ROW
North Carolina Division of Water Quality, Winston-Salem Regional Office
Location: 585 Waughtown St. Winston-Salem, North Carolina 27107
Phone: [phone] FAX: [phone] Customer Service: 1-877-623-6748
Internet: www.ncwatergLiality.org
An Equal Opportunity 1 Affirmative action Employer
Sincerely,
Steve W. Tedder
Surface Water Regional Supervisor
Winston-Salem Regional Office
Division of Water Quality
NorthCarolina
Naturally

United States Environmental Protection Agency
Form Approved.
EPA Washington, D.C. 20460
OMB No. 2040-0057
Water Compliance Inspection Report
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type
1 INI 2 151 31 NC0004626 I11 121 10/03/03 117 181CI 191SI 20I
Remarks
21IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII11116
Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA --------------------------- Reserved ----------------------
67I 169 701 41 711 N I 721 NJ 73I 174 751 I I I I I I 180
W'
Section B: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
Entry Time/Date
Permit Effective Date
POTW name and NPDES permit Number)
10:00 AM 10/03/03
09/09/01
PPG Industries Fiber Glass Products
Exit Time/Date
Permit Expiration Date
473 New Jersey Church Rd
Lexington NC 27293
12:00 PM 10/03/03
14/05/31
Name(s) of Onsite Representative (s)/Titles(s)/Phone and Fax Number(s)
Other Facility Data
Brigette Tinsley///
David T Segers/ORC/336-357-8151/
Name, Address of Responsible Official/Title/Phone and Fax Number
Todd Douthit,473 New Jersey Church Rd Lexington NC Contacted
27293//336-357-8151/3363577171 No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit E Flow Measurement Operations & Maintenance Records/Reports
Self -Monitoring Program N Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters
Section D: Summary of Finding/Comments Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date
Jenifer Carter WSRO WQ//336-771-5000/
41-
Signature Q A Revie Agency/Office/Phone and Fax Numbers Date
7znt
[ U
U
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
Page # 1

NPDES yr/mo/day Inspection Type
3I NC0004626 I11 12I 10/03/03 117 18ICI
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
Page # 2

Permit: NC0004626
Inspection Date: 03/03/2010
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
(If the present permit expires in 6 months or less). Has the permittee submitted a new application?
❑
❑
■
❑
Is the facility as described in the permit?
❑
■
n
n
# Are there any special conditions for the permit?
❑
■
n
n
Is access to the plant site restricted to the general public?
■
n
n
n
Is the inspector granted access to all areas for inspection?
■
n
n
n
Comment: One of two aeration basins has been converted to an additional EQ basin.
Record Keeping
Yes
No
NA
NE
Are records kept and maintained as required by the permit?
■
n
n
n
Is all required information readily available, complete and current?
■
Cl
n
n
Are all records maintained for 3 years (lab. reg. required 5 years)?
■
n
n
n
Are analytical results consistent with data reported on DMRs?
■
n
n
n
Is the chain -of -custody complete?
■
n
n
n
Dates, times and location of sampling
■
Name of individual performing the sampling
■
Results of analysis and calibration
■
Dates of analysis
■
Name of person performing analyses
■
Transported COCs
■
Are DMRs complete: do they include all permit parameters?
■
n
n
n
Has the facility submitted its annual compliance report to users and DWQ?
❑
❑
■
❑
(If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift?
❑
❑
■
❑
Is the ORC visitation log available and current?
■
n
n
n
Is the ORC certified at grade equal to or higher than the facility classification?
■
❑
❑
❑
Is the backup operator certified at one grade less or greater than the facility classification?
■
❑
❑
❑
Is a copy of the current NPDES permit available on site?
■
n
Cl
n
Facility has copy of previous year's Annual Report on file for review?
❑
❑
■
❑
Comment:
Effluent Sampling
Yes
No
NA
NE
Is composite sampling flow proportional?
■
n
n
n
Page # 3

Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
Inspection Date: 03/03/2010 Inspection Type: Compliance Evaluation
Effluent Sampling
Yes No
NA
NE
Is sample collected below all treatment units?
■
❑
n
n
Is proper volume collected?
■
n
n
n
Is the tubing clean?
■
n
n
n
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)?
■
n
n
n
Is the facility sampling performed as required by the permit (frequency, sampling type representative)?
■
n
n
n
Comment:
Flow Measurement - Effluent
Yes
No
NA
NE
# Is flow meter used for reporting?
■
n
n
n
Is flow meter calibrated annually?
■
n
n
n
Is the flow meter operational?
■
n
n
n
(If units are separated) Does the chart recorder match the flow meter?
■
n
n
n
Comment:
Operations & Maintenance
Yes
No
NA
NE
Is the plant generally clean with acceptable housekeeping?
■
n
n
n
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge ■
n
n
n
Judge, and other that are applicable?
Comment:
Standby Power
Yes
No
NA
NE
Is automatically activated standby power available?
■
n
n
Cl
Is the generator tested by interrupting primary power source?
■
n
n
n
Is the generator tested under load?
■
n
n
n
Was generator tested & operational during the inspection?
n
■
n
n
Do the generator(s) have adequate capacity to operate the entire wastewater site?
■
n
n
n
Is there an emergency agreement with a fuel vendor for extended run on back-up power?
■
n
n
n
Is the generator fuel level monitored?
■
n
n
n
Comment: generator is tested under load monthly and PM performed weekly
Bar Screens
Yes
No
NA NE
Type of bar screen
a.Manual
■
b.Mechanical
Page # 4

Permit: NC0004626
Inspection Date: 03/03/2010
Are the bars adequately screening debris?
Is the screen free of excessive debris?
Is disposal of screening in compliance?
Is the unit in good condition?
Comment:
Equalization Basins
Is the basin aerated?
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Is the basin free of bypass lines or structures to the natural environment?
Is the basin free of excessive grease?
Are all pumps present?
Are all pumps operable?
Are float controls operable?
Are audible and visual alarms operable?
# Is basin size/volume adequate?
Comment. -
Is containment adequate?
Is storage adequate?
Are backup pumps available?
Is the site free of excessive leaking?
Comment: post HW, treated with lime and ferric chloride.
Primary Clarifier
Is the clarifier free of black and odorous wastewater?
Is the site free of excessive buildup of solids in center well of circular clarifier?
Are weirs level?
Is the site free of weir blockage?
Is the site free of evidence of short-circuiting?
Is scum removal adequate?
Is the site free of excessive floating sludge?
Is the drive unit operational?
■ ❑ ❑ ❑
■ n n n
■nnn
■ n n n
n■nn
■nnn
■ n n n
■ n n n
■ n n n
■nnn
■nnn
■nnn
■ n n n
■ n n n
■ n n n
■ n n n
Yes No NA NE
■ n n n
■nnn
■nnn
■nnn
■nnn
■nnn
■nnn
■ n n n
Page # 5

Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
Inspection Date: 03/03/2010 Inspection Type: Compliance Evaluation
Primary Clarifier
Yes No
NA
NE
Is the sludge blanket level acceptable?
■
n
n
n
Is the sludge blanket level acceptable? (Approximately Y. of the sidewall depth)
n
n
n
Comment:
Aeration Basins
Yes No
NA
NE
Mode of operation
Ext.
Air
Type of aeration system
Diffused
Is the basin free of dead spots?
■
n
n
n
Are surface aerators and mixers operational?
■
n
n
n
Are the diffusers operational?
■
n
n
n
Is the foam the proper color for the treatment process?
■
n
n
n
Does the foam cover less than 25% of the basin's surface?
■
❑
n
n
Is the DO level acceptable?
■
n
n
n
Is the DO level acceptable?(1.0 to 3.0 mg/1)
■
n
n
n
Comment: DO said to usually run between 2.5 and 3.0 mg/I.
Secondary Clarifier
Yes
No
NA
NE
Is the clarifier free of black and odorous wastewater?
■
n
n
n
Is the site free of excessive buildup of solids in center well of circular clarifier?
■
n
n
❑
Are weirs level?
■
n
n
n
Is the site free of weir blockage?
■
n
n
n
Is the site free of evidence of short-circuiting?
■
n
n
n
Is scum removal adequate?
■
n
n
n
Is the site free of excessive floating sludge?
■
n
n
n
Is the drive unit operational?
■
❑
n
n
Is the return rate acceptable (low turbulence)?
■
n
n
n
Is the overflow clear of excessive solids/pin floc?
■
n
n
n
Is the sludge blanket level acceptable? (Approximately Y. of the sidewall depth)
■
n
n
n
Comment:
Disinfection -Liquid
Yes
No
NA NE
Is there adequate reserve supply of disinfectant?
■
n
n
n
(Sodium Hypochlorite) Is pump feed system operational?
■
n
n
n
Page # 6

5
Permit: NC0004626 Owner - Facility: PPG Industries Fiber Glass Products
Inspection Date: 03/03/2010 Inspection Type: Compliance Evaluation
Disinfection -Liquid
Yes
No
NA
NE
Is bulk storage tank containment area adequate? (free of leaks/open drains)
■
n
n
n
Is the level of chlorine residual acceptable?
■
n
o
n
Is the contact chamber free of growth, or sludge buildup?
■
n
n
n
Is there chlorine residual prior to de -chlorination?
■
n
n
n
Comment:
Filtration (High Rate Tertiary)
Yes
No
NA
NE
Type of operation:
Down flow
Is the filter media present?
■
n
n
n
Is the filter surface free of clogging?
■
n
n
n
Is the filter free of growth?
■
n
n
n
Is the air scour operational?
n
n
■
n
Is the scouring acceptable?
❑
n
■
n
Is the clear well free of excessive solids and filter media?
n
n
n
■
Comment:
— . . ..
V..
Nn
NA
NF
Type of system ?
Liquid
Is the feed ratio proportional to chlorine amount (1 to 1)?
n
n
■
n
Is storage appropriate for cylinders?
n
n
■
n
# Is de -chlorination substance stored away from chlorine containers?
■
n
n
n
Comment:
Are the tablets the proper size and type?
n
n
■
n
Are tablet de -chlorinators operational?
n
n
■
n
Number of tubes in use?
Comment:
Pump Station - Effluent
Yes
No
NA
NE
Is the pump wet well free of bypass lines or structures?
■
n
In
n
Are all pumps present?
■
n
n
n
Are all pumps operable?
■
n
n
n
Are float controls operable?
n
n
■
n
Is SCADA telemetry available and operational?
n
n
■
n
Page # 7

P
Permit: NC0004626
Inspection Date: 03/03/2010
PumD Station - Effluent
Is audible and visual alarm available and operational?
Comment:
Owner - Facility: PPG Industries Fiber Glass Products
Inspection Type: Compliance Evaluation
Yes No NA NE
■ ■ ■
Page # 8

W
March 3, 2010
Ms. Jenifer Carter
NC Department of Environment and Natural Resources
Division of Water Quality
585 Waughtown Street
Winston-Salem, NC 27107
RE: Wastewater Influent Spill — March 25, 2010
NPDES Permit No. NC0004626
Dear Ms. Carter:
PPG Industries
PPG Industries Fiber Glass Products, Inc
473 New Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Brigette M. Tinsley
Staff Engineer - Environmental
Phone [phone] xt 317
Fax [phone]
E-Mail [e-mail]
This letter is to address action items and status in response to the spill that occurred on March 25, 2010,
involving influent wastewater and our Hydrasieve unit.
The spill occurred the morning of March 25 and was discovered by the ORC, Dave Segers. Upon
arriving at the plant, Mr. Segers noticed water overfilling the Hydrasieve dumpster and spilling onto the
gravel covered ground surround this area. He immediately shut off the Hydrasieve pump which directed
all incoming water to the wet well, and then began to assess the extent of the spill. Water had begun to
flow towards the drainage ditch which borders the plant, so Mr. Segers dammed the area to prevent any
off site release. It is estimated that 50 -100 gallons of influent reached the ditch. A portable pump was
set up to pump this water from the drainage ditch, and discharge it to the wet well. Pumping of this area
continued throughout the night, and was discontinued the following morning.
An initial investigation revealed that the Process Water Hotwell #2 overflowed during a test of the high
level alarm system. This sent a surge of water to the wastewater treatment plant, blinded the Hydrasieve
screen, and caused water to spray out on the ground around the bermed Hydrasieve area. Mr. Segers
phoned the incident in to you the afternoon of March 25.
All clean up of the spilled material and impacted area has been completed. In addition, the following
corrective actions have been identified:
• Revising the Hotwell #2 alarm test procedure to ensure someone monitors WWTP and the
overflow discharge
• Improving the containment around the Hydrasieve/dumpster area,
• Evaluating the Hydrasieve screen mesh size to prevent blinding,
• Training and awareness for maintenance personnel on this incident and communicate corrective
actions.
If you have any questions regarding this incident, please feel free to contact me at [phone].

Sincerely,
Brigette Tinsley,
Environmental Engineer

r
ceAnalytical
iWWWP alrrbs.com
October 22, 2009
Mr. David Segers
PPG -Lexington
473 New Jersey Church Rd
Lexington, NC 27292
RE: Project: South Discharge Pipe
Pace Project No.: 9254994
Pace Ansbtical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Pace Anatytical Services, Inc.
9800 Kinsey Ave. Suite 100
Hunteraville, NC 28078
Dear Mr. Segers:
Enclosed are the analytical results for sample(s) received by the laboratory on October 09, 2009.
The results relate only to the samples included in this report. Results reported herein conform to the
most current NELAC standards, where applicable, unless otherwise narrated in the body of the
report.
.� Inorganic Wet Chemistry and Metals analyses were performed at our Pace Asheville laboratory and
Organic testing was performed at our Pace Huntersville laboratory unless otherwise footnoted. All
Microbiological analyses were performed at the laboratory where the samples were received.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Kevin Godwin
kevin.godwin)Mpacelabs.com
Project Manager
Enclosures
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
sly.: z
(704)8759092
Page 1 of 13

,iceAnalytical e
www.pa WW;&cam
Project: South Discharge Pipe ,Sca- ( G
Pace Project No.: 9254994
Pace Anaytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
ANALYTICAL RESULTS
Pace Analytical Services, Inc.
9800 Kinsey Ave. Suite 100
Huntersville, NC 28078
(704)8759092
Sample: South Discharge Pipe Vent
Lab ID: 9254994001 Collected:
10/09/0911:45
Received: 10/09/0917:17 Matrix: Solid
02-Y
Results reported on a "dry -weight" basis
Parameters
Results Units Report Limit
DF
Prepared
Analyzed CAS No. Qual
6010 MET ICP
Analytical Method: EPA 8010 Preparation Method: EPA 3050
Barium
118 m9ft
0.50
1
10/13109 08:00
10/13/09 21:47 7440-39-3
Calcium
25400 mg/kg
99.4
10
10/13/09 08:00
10/14/09 10:43 7440-70-2
Iron
316000 mg/Itg
497
100
10/1310908:00
10/1410911:36 7439-89.6
Lead
20.0 mg/kg
0.50
1
10/13/09 06:00
10/13/09 21:47 7439-92-1
Magnesium
236 nV%g
9.9
1
10/13/09 08:00
10/13/09 21:47 7439-95-4
Manganese
175 mg/kg
0.50
1
10/13/09 08:00
10/13/09 21:47 7439-96-5
silica
4360 mgft
2.1
1
10/13109 08-00
10/13/09 21:47 7631-86-9
Strontium
".0 mg/kg
0.50
1
10/13/09 08:00
10/13/09 21:47 7440-24-6
Zinc
577 mg/kg
0.99
1
10/13/09 08:00
10/13/09 21:47 7440-6&6
Percent Moisture
Analytical Method: ASTM D2974-87
Percent Moisture
38.6 %
0.10
1
10/14/09 14:32
4500FC Fluoride
Analytical Method: SM 450OF/C
Fluoride
122 mg/kg
10.2
1
10/13/0912:57 16984-48-8 MO
366.1 Phosphorus, Total
Analytical Method: EPA365.1
Phosphorus
2970 mg/kg
3.3
1
10/21/0908:36 7723-14-0 R1
Awl-
3TM D616-90 Sulfate Soil
Analytical Method: ASTM D516-90
Sulfate
<815 mg/kg
815
1
10/20/09 18:21 14808-79-8
•TIt�Urk71�ZrI•I-lrb-7t:I:lru
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 5 of 13

� ,
A KI,
00
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ter► {.

' RECEIVED PPG Industries
N.C. Deot. of ENR
I PPG Industries Fiber Glass Products, Inc
FEB 0 12010 473 New post Office Box y 49
Church Road
stcn Salem I Lexington, North Carolina 27293
_nay Of, J
BrigefDe M. Tinsley
Staff Engineer - Environmental
Phone [phone] xt 317
Fax [phone]
E-Mail [e-mail]
January 25, 2010
ifer
NCenCent of Environment and Natural Resources
Division of Water Quality
585 Waughtown Street
Winston-Salem, NC 27107
RE: Roof -top Cooling Tower Leak
NPDES Permit No. NC0004626
Dear Ms. Carter:
This letter is to address action items and status in response to the leak from the Evapco roof -top cooling
tower that occurred on January 19, 2010.
As reported in my call to you on 1/20, a manager discovered water leaking from the bottom of the
cooling tower while inspecting the area for upcoming roof repairs. It is suspected that the change in
temperature from extreme cold to warmer temperatures, and contracting and expanding of the metal,
allowed a seam to come loose and leak water from the tower. The tower was immediately shut down and
locked out until repairs could be scheduled. This tower is adjacent to a roof -top storm drain and
therefore the water was discharged to the storm water system. The water in this tower is city water
treated with very small amounts of liquid biocide, corrosion inhibitor, chlorine, and dispersants.
In addition to repairing the tower, the following actions are planned or underway:
• Obtaining quotes to install spill containment around roof -top cooling towers.
• Implementing a 5 day/week inspection of roof top towers for leaks and needed repairs.
• Conduct an inspection of all roof top towers to identify recommended repairs, and maintenance.
If you have any questions regarding this incident, please feel free to contact me at [phone].
Sincerely,
Brigette Tinsley,
Environmental Engineer

s
PPG Industries, Inc.
A To C No. 004626A03
Issued December 5, 2006
Engineer's Certification
RECEIVED
N.C. Dect. ,,1 FN7
FEB 0 6 2007
Winston-Salem
Regional Office
I, Clark A. Srn;+h , as a duly registered Professional Engineer in
the State of North Carolina, having been authorized to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the PPG Lexington Facility, located
on New Jersey Church Road in Davidson County for PPG Industries, Inc., hereby state that, to
the best of my abilities, due care and diligence was used in the observation of the following
construction:
The addition of a new 1.6 meter belt filter press, two 5,000 gallon polymer mixing tanks
and appurtenances with 9.6 dry tons/day of solids processing capacity in conformity with
the project plans, specifications, and other supporting data subsequently filed and
approved by the Department of Environment and Natural Resources.
I certify that the construction of the above referenced project was observed to be built
within substantial compliance and intent of the approved plans and specifications.
Signature aticn No.
Date Q3 J2h"JP4 2Zwl
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633
Oct
Aq
SSAL
x
!383
do
000
1,00
��lttsss

Certified Mail / Return Receipt Requested
January 25, 2007
Cecil Madden, Jr., P.E.
Construction Grants & Loans
DENR / DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633
PPG Industries
PPG Industries Fiber Glass Products, Inc
473 New Jersey Church Road
Post Office Box 949
Lexington, North Carolina 27293
Brigette M. Tinsley
Environmental Engineer
Phone [phone] xt 317
Fax [phone]
E-Mail [e-mail]
�f"'11►�-
ED
RE: Professional Engineer Certification for Belt Filter Sludge Press Installation
Authorization to Construct No. 004626A03
PPG Industries Fiber Glass Products, Inc.
Lexington, North Carolina
Dear Mr. Madden,
Per the Authorization to Construct, PPG Industries enclosed is the required Engineer's
certification for the newly installed Belt Filter Sludge Press. Additionally, the verbal notification
has also been made to the Winston-Salem regional office regarding start-up of the press.
If you require any additional information, please do not hesitate to contact me or David Segers at
[phone].
Sincerely,
Brigette Tinsley
Environmental Engineer
Enclosure

~ O�O�WAT�9pG
r
o �
Brigette Tinsley
PPG Industries, Inc.
473 New Jersey Church Road
Lexington, North Carolina 27293
Dear Ms. Tinsley:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
RECEIVED
December 5, 2006 N.C. Dept of ENR
DECO 8 2006
Winston-Salem
Regional office
SUBJECT: Authorization to Construct
A to C No. 004626A03
PPG Lexington Facility
Davidson County
A letter of request for Authorization to Construct was received September 22, 2006, by
the Division, and final plans and specifications for the subject project have been reviewed and
found to be satisfactory. Authorization is hereby granted for the construction of modifications to
the existing 0.6 MGD Wastewater Treatment Plant, with discharge of treated wastewater into
North Potts Creek in the Yadkin -Pee Dee River Basin.
This authorization results in no increase in design or permitted capacity and is awarded
for the construction of the following specific modifications:
The addition of a new 1.6 meter belt filter press, two 5,000 gallon polymer mixing
tanks and appurtenances with 9.6 dry tons/day of solids processing capacity in
conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural
Resources.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NC0004626 issued July 28, 2004, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0004626.
The sludge generated from these treatment facilities must be disposed of in accordance
with G.S. 143-215.1 and in a manner approved by the North Carolina Division of Water Quality.
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may
be required by this Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
tVatCarolina
ra!!y
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet::vww nrwatervuaky.ora 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer — 50% Recycled/100/a Post Consumer Paper

Ms. Tinsley
December 5, 2006
Page 2
The Winston Salem Regional Office, telephone number [phone], shall be notified
at least forty-eight (48) hours in advance of operation of the installed facilities so that an on site
inspection can be made. Such notification to the regional supervisor shall be made during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted facility
has been installed in accordance with the NPDES Permit, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to Cecil G. Madden, Jr., P.E.,
Construction Grants & Loans, DWQ / DENR, 1633 Mail Service Center, Raleigh, NC 27699-
1633.
Upon classification of the wastewater treatment facilities by the Water Pollution Control
System Operators Certification Commission (WPCSOCC), the Permittee shall designate and
employ a certified operator to be in responsible charge (ORC) and one or more certified
operator(s) to be back-up ORC(s) of the facilities in accordance with 15A NCAC 8G .0201. The
ORC shall visit the facilities in accordance with 15A NCAC 8G .0204 or as specified in this
permit and shall comply with all other conditions specified in these rules.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
During the construction of the proposed additions/modifications, the permittee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,
and in such a manner, as necessary to comply with the effluent limits specified in the NPDES
Permit.
You are reminded that it is mandatory for the project to be constructed in accordance
with the North Carolina Sedimentation Pollution Control Act, and, when applicable, the North
Carolina Dam Safety Act. In addition, the specifications must clearly state what the contractor's
responsibilities shall be in complying with these Acts.
Prior to entering into any contract(s) for construction, the recipient must have obtained all
applicable permits from the State.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division of Water Quality in accordance
with North Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this Authorization to Construct does not preclude the Permittee from
complying with any and all statutes, rules, regulations, or ordinances which may be imposed by
other government agencies (local, state, and federal) which have jurisdiction.

�r
Ms. Tinsley
December 5, 2006
Page 3
One (1) set of approved plans and specifications is being forwarded to you. If you have
any questions or need additional information, please contact Cecil G. Madden, Jr., P.E. at
telephone number [phone].
Sincerely,
Alan W. Klimek, P.E.
MM:cgm
cc: Charles R. Funk, P.E. — CH2M - Hill
Davidson County Health Department
DWQ Winston Salem Regional Office, Surface Water Protection
Technical Assistance and Certification Unit
Daniel Blaisdell, P.E.
Point Source Branch, NPDES Program
Cecil G. Madden, Jr., P.E.
Michelle McKay, E.I.
ATC File

PPG Industries, Inc.
A To C No. 004626A03
Issued December 5, 2006
Engineer's Certification
I, , as a duly registered Professional Engineer in
the State of North Carolina, having been authorized to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the PPG Lexington Facility, located
on New Jersey Church Road in Davidson County for PPG Industries, Inc., hereby state that, to
the best of my abilities, due care and diligence was used in the observation of the following
construction:
The addition of a new 1.6 meter belt filter press, two 5,000 gallon polymer mixing tanks
and appurtenances with 9.6 dry tons/day of solids processing capacity in conformity with
the project plans, specifications, and other supporting data subsequently filed and
approved by the Department of Environment and Natural Resources.
I certify that the construction of the above referenced project was observed to be built
within substantial compliance and intent of the approved plans and specifications.
Signature
Date
Registration No.
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633

October 3, 2006
MEMORANDUM
TO: Anita Reed, E.I., Design Management Unit, CG&L Section
THROUGH: Steve W. Tedder, Water Quality Regional Supervisor, WSRO
FROM: Steve Mauney, Environ. Engineer, WSRO
SUBJECT: ATC- PPG Industries Fiber Glass Products, Inc.
NC0004626
Davidson County
This request for construction approval has been reviewed that will include a belt
filter press, two (2) 500 gallon polymer mixing tanks and appurtenances with 9.6 dry
tons/day of solids processing capacity.
This equipment will allow PPG to process solids 3 days/week on one shift (24
hours/week) and dispose of all the generated solids at current production levels. If
necessary the equipment could be operated 140 hours per week. PPG will retain their
land application permit which gives them maximum operating flexibility. We fully
support their attempt to initiate this upgrade at the earliest possible time. This upgrade
will not require any modification of the NPDES permit. Should you have any questions,
please call me at 336-771-4969.
CC -Charles Weaver .
SWP-WSRO
SWP-Central Files

O�0� W ATF9QG
r
September 22, 2006
MEMORANDUM
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
TO: Steve Tedder, Regional Water Quality Supervisor — —
RECEIVED
Winston-Salem Regional Office, Division of Water Quality N.C. Deri '
7
FROM: .Anita Reed, E.I., Project Review Engineer SEP 2 6 2
Design Management Unit Wins... j
Regions,
SUBJECT: Request for an Authorization to Construct
PPG Industries Addition of Belt Filter Press
NPDES Permit No. NC0004626
Plans, specifications and supporting documents have been received for the subject
project. It is requested that comments and recommendations, including the items listed below,
be received by October 22, 2006 from the Regional Office Staff:
Procedure No. 4 Comments
Schedule for Issuance of the NPDES Permit
SOC, or Other Schedules Which Must be Met
Status of Stormwater Permit, if applicable
Confirm if the Proposed Method and Sequence for Construction of
Additions/New Facilities is Acceptable.
Groundwater Comments
Standby Power Needs
Compliance With N.C. Well Construction Standards
CAMA
X Recommendations for inclusion in the Authorization to Construct
For your reference, review and comments on the above items, plan documents are submitted as follows:
X Plans and Specifications
Subsurface/Soils Report
Power Outage Information
Other
If you have any questions, please do not hesitate to contact Michelle McKay at [phone].
Attachment
AR
cc: ATC Files
Anita Reed, E.I.
Construction Grants and Loans Section
1633 Mail Service Center Raleigh NC 27699-1633 One
NorthCarolina
Phone: [phone] / FAX: [phone] / Internet: www.nccgi.net
An Equal Opportunity/Affirmative Action Emplover — 50% Recycled/10% Post Consumer Paper fXatu mtly

�oF wA!F
�O 9
� r
o �
September 14, 2005
Ms. Brigette M. Tinsley
PPG Industries Fiber Glass Products, Inc.
473 New Jersey Church Road
Lexington, North Carolina 27293
Dear Ms. Tinsley:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
SEP 16 2005
Winstcn-Salem
Regional Off'ce
SUBJECT: Authorization to Construct
A to C No. 004626A02
PPG Industries Fiber Glass Products, Inc.
Lexington Manufacturing Facility WWTP
Davidson County
A fast track application for Authorization to Construct dechlorination facilities was
received on September 1, 2005, by the Division. Authorization is hereby granted for the
construction of modifications to the existing 0.6 MGD PPG Industries Lexington Manufacturing
Facility Wastewater Treatment Plant, with discharge of treated wastewater into North Potts
Creek in the Yadkin -Pee Dee River Basin.
This authorization results in no increase in design or permitted capacity, and is awarded
for the construction of the following specific modifications:
Installation of a sodium bisulfite dechlorination system, pursuant to the fast track
application received on September 1, 2005, and in conformity with the Minimum
Design Criteria for Dechlorination Facilities.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NC0004626, issued May 1, 2005, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0004626.
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may
be required by this Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Winston-Salem Regional Office, telephone number [phone], shall be notified
at least forty-eight (48) hours in advance of operation of the installed facilities so that an on -site
Onc
No Carolina
Aaiura!!y
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet: h2o.enr.state.nc.us 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer— 500/6 Recycled/10% Post Consumer Paper

4
Ms. Brigette Tinsley
September 14, 2005
Page 2
inspection can be made. Such notification to the regional supervisor shall be made during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
Pursuant to 15A NCAC 2H .0140, upon completion of construction and prior to operation
of these permitted facilities, the completed Engineering Certification form attached to this permit
shall be submitted to the address provided on the form.
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the
wastewater treatment facilities. The operator must hold a certificate of the type and grade at least
equivalent to or greater than the classification assigned to the wastewater treatment facilities by
the Certification Commission.
The Permittee must also employ a certified back-up operator of the appropriate type and
grade to comply with the conditions of T 15A:8G.0202. The ORC of the facility must visit each
Class I facility at least weekly and each Class II, III and IV facility at least daily, excluding
weekends and holidays, must properly manage the facility, must document daily operation and
maintenance of the facility, and must comply with all other conditions of T15A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
During the construction of the proposed additions/modifications, the permittee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,
and in such a manner, as necessary to comply with the effluent limits specified in the NPDES
Permit.
You are reminded that it is mandatory for the project to be constructed in accordance
with the North Carolina Sedimentation Pollution Control Act, and, when applicable, the North
Carolina Dam Safety Act. In addition, the specifications must clearly state what the contractor's
responsibilities shall be in complying with these Acts.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division of Water Quality in accordance
with North Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this Authorization to Construct does not preclude the Permittee from
complying with any and all statutes, rules, regulations, or ordinances which may be imposed by
other government agencies (local, state, and federal) which have jurisdiction.

Ms. Brigette Tinsley
September 14, 2005
Page 3
If you have any questions or need additional information, please do not hesitate to contact
Cecil G. Madden, Jr., P.E. at telephone number [phone].
Sincerely,
Alan W. Klimek, P.E.
MH:cgm
cc: Robert M. Stein, P.E., - Aware Environmental, Inc.
Davidson County Health Department
Winston-Salem Regional Office, Surface Water Protection
Technical Assistance and Certification Unit
Daniel Blaisdell, P.E.
Point Source Branch, NPDES Program
Cecil G. Madden, Jr., P.E.
Mark Hubbard, P.E.
A to C File

PPG Industries Fiber Glass Products, Inc.
A To C No. 004626A02
Issued September 14, 2005
Engineer's Certification
I, , as a duly registered Professional Engineer in
the State of North Carolina, having been authorized to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the PPG Industries Lexington
Manufacturing Facility WWTP, located on New Jersey Church Road in Davidson County for
PPG Industries Fiber Glass Products, Inc., hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the following construction:
Installation of a sodium bisulfite dechlorination system, pursuant to the fast track
application received on September 1, 2005, and in conformity with the Minimum
Design Criteria for Dechlorination Facilities.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance and intent of the approved plans and specifications.
Signature
Date
Registration No.
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633

,lb A 9 p
t-
� Y
July 7, 2005
Mr. David Weber
PPG Industries Fiber Glass Products, Inc.
473 New Jersey Church Road
Lexington, North Carolina 27293
SUBJECT:
Dear Mr. Weber:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Authorization to Construct
A to C No. 004626AOI
Alan W. Klimek, P.E. Director
Division of Water Quality
PrrrnJrn
N.C. - . ,q
JUL 1 1 2005
Winston-Salem
Regional pffioe
PPG Industries Fiber Glass Products, Inc.
Lexington Manufacturing Facility WWTP
Davidson County
A letter of request for Authorization to Construct was received on June 1, 2005 by the
Division, and final plans and specifications for the subject project have been reviewed and found
to be satisfactory. Authorization is hereby granted for the construction of modifications to the
existing 0.6 MGD PPG Industries Lexington Manufacturing Facility Wastewater Treatment
Plant, with discharge of treated wastewater into North Potts creek in the Yadkin -Pee Dee River
Basin.
This authorization results in no increase in design or permitted capacity, and is awarded
for the construction of the following specific modifications:
Installation of a new clarifier mechanism, splitter box, return sludge pumps,
associated piping and electrical work, and demolition of existing piping and
equipment to allow back-up capabilities for either the primary or secondary
clarifier in conformity with the project plan, specifications, and other supporting
data subsequently filed and approved by the Department of Environment and
Natural Resources.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NC0004626, issued July 28, 2004, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0004626.
The sludge generated from these treatment facilities must be disposed of in accordance
with G.S. 143-215.1 and in a manner approved by the North Carolina Division of Water Quality.
N'o,lthCarolina
Naturally
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet: h2o.enr.state.nc.us 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper

Mr. David Weber
July 7, 2005
Page 2
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may
be required by this Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Winston-Salem Regional Office, telephone number [phone], shall be notified
at least forty-eight (48) hours in advance of operation of the installed facilities so that an on -site
inspection can be made. Such notification to the regional supervisor shall be made during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer, certifying that the permitted facility
has been installed in accordance with the NPDES Permit, this Authorization to Construct, and
the approved plans and specifications. Mail the Certification to Cecil G. Madden, Jr., P.E.,
Construction Grants & Loans, DWQ/DENR, 1633 Mail Service Center, Raleigh,
NC 27699-1633.
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the
wastewater treatment facilities. The operator must hold a certificate of the type and grade at
least equivalent to or greater than the classification assigned to the wastewater treatment
facilities by the Certification Commission.
The Permittee must also employ a certified back-up operator of the appropriate type and
grade to comply with the conditions of T15A:8G.0202. The ORC of the facility must visit each
Class I facility at least weekly and each Class II, III, and IV facility at least daily, excluding
weekends and holidays, must properly manage the facility, must document daily operation and
maintenance of the facility, and must comply with all other conditions of T I 5A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
During the construction of the proposed additions/modifications, the permittee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,
and in such a manner, as necessary, to comply with the effluent limits specified in the NPDES
Permit.
You are reminded that it is mandatory for the project to be constructed in accordance
with the North Carolina Sedimentation Pollution Control Act, and, when applicable, the North
Carolina Dam Safety Act. In addition, the specifications must clearly state what the contractor's
responsibilities shall be in complying with these Acts.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division of Water Quality, in accordance
with North Carolina General Statutes 143-215.6A to 143-215.6C.

4.
J
Mr. David Weber
July 7, 2005
Page 3
The issuance of this Authorization to Construct does not preclude the Permittee from
complying with any and all statutes, rules, regulations, or ordinances which may be imposed by
other government agencies (local, state, and federal) which have jurisdiction.
One (1) set of approved plans and specifications is being forwarded to you. If you have
any questions or need additional information, please contact Cecil G. Madden, Jr., P.E. at
telephone number [phone].
XSincerellKlimek, P.E.
MH:cgm
cc: AWARE Environmental, Inc. - George Tyrian, P.E.
Davidson County Health Department
Winston-Salem Regional Office, Surface Water Protection
Technical Assistance and Certification Unit
Daniel Blaisdell, P.E.
Point Source Branch, NPDES Program
Cecil G. Madden, Jr., P.E.
Mark Hubbard, P.E.
A to C File

PPG Industries Fiber Glass Products, Inc.
A To C No. 004626AOI
Issued July 7, 2005
Engineer's Certification
I, , as a duly registered Professional Engineer in
the State of North Carolina, having been authorized to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the PPG Industries Lexington
Manufacturing Facility WWTP, located on New Jersey Church Road in Davidson County for
PPG Industries Fiber Glass Products, Inc., hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the following construction:
Installation of a new clarifier mechanism, splitter box, return sludge pumps, associated
piping and electrical work, and demolition of existing piping and equipment to allow
back-up capabilities for either the primary or secondary clarifier in conformity with the
project plan, specifications, and other supporting data subsequently filed and approved by
the Department of Environment and Natural Resources.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance and intent of the approved plans and specifications.
Signature
Date
Registration No.
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633

.,
SOC PRIORITY PROJECT: NO
To: Construction Grants & Loans Section
Division of Water Quality
Attn: Mark Hubbard
Cc: SWP-Central Files
WSRO Files
AUTHORIZATION TO CONSTRUCT
NPDES PERMIT REPORT AND RECOMMENDATIONS
Date: June 7, 2005
County: Davidson
Permit No.: NC0004626
PART I - GENERAL INFORMATION
1. FACILITY NAME AND CURRENT ADDRESS:
PPG Industries Fiberglass Products, Inc.
PO Box 949
Lexington, NC 27293
2. DATE OF MOST RECENT NPDES STAFF REPORT: July 7, 1994
(copy attached)
3. CHANGES SINCE PREVIOUS ACTION ON NPDES PERMIT: n/a
4. VERIFY DISCHARGE POINT(S) ON PLANS WITH CURRENT NPDES
PERMIT. LIST FOR ALL DISCHARGE POINTS:
Lattitude: 35' 44' 18" Longitude: 80' 19' 32"
ATTACH A USGS MAP EXTRACT AND INDICATE TREATMENT
FACILITYSITE AND DISCHARGE POINT ON MAP:
USGS Quad No: E 17 NE USGS Name: Southmont
5. TREATMENT PLANT CLASSIFICATION:
Physical Chemical Grade 2

PART II — DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
(PROVIDE THE FOLLOWING INFORMATION IF IT IS NOT ON THE PREVIOUSE NPDES STAFF REPORT)
1. EXISTING TREATMENT FACILITY:
a. What is the current permitted capacity of the facility? 0.6 mgd
b. Date(s) and construction activities allowed by previouse Authorizations to
Construct issued in the previous two(2) years: n/a
c. What is the actual treatment capacity of the current facility (design
volume)? 0.6 mgd
d. Please provide a description of existing or substantially construced
wastewater treatment facilities: The existing facility has screening, flow
equalization, reaction tanks, primary clarifier, dual aeration basins,
final clarifier, chlorination, dual activated carbon units and sludge
holding.
2. PLEASE PROVIDE A DESCRIPTION OF PROPOSED
WASTEWATER TREATMENT FACILITIES.
Two (2) existing old clarifiers are being refurbished as backups to the existing
clarifiers. A new clarifier mechanism, splitter box, piping, return sludge
pumps and electrical controls will be installed.
3. RESIDUALS HANDLING AND UTILIZATION/DISPOSAL SCHEME:
a. If residuals are being land applied, please specify DEM Permit No.WQ0000760
Residual Contractor: Synagro
Telephone No.: 336-766-0328
b. Residuals Stabilization: PSRP PFRP Other X
PART III — EVALUATION AND RECOMMENDATIONS
It is recommended that the Authorization to Construct be issued for this project as
it will provide backup clarifiers for this facility. This second set of clarifiers will
provide the necessary duplicate treatment components that this facility has lacked.
epared�
Water Quality Supervisor
�f
Date

Michael F. Easley, Governor
oo� wArF9Q
�6
June 1, 2005
MEMORANDUM
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
TO: Steve Tedder, Regional Water Quality Supervisor
Winston-Salem Regional Office, Division of Water Quality
FROM: lark Hubbard E.I. Project Review Engineer
Design Management Unit
SUBJECT: Request for an Authorization to Construct
PPG Industries WWTP Clarifier Conversion
NPDES Permit No. NC0004626
Alan W. Klimek, P.E. Director
Division of Water Quality
REzCEVV
U
Plans, specifications and supporting documents have been received for the subject
project. It is requested that comments and recommendations, including the items listed below,
be received by July 1, 2005 from the Regional Office Staff -
Procedure No. 4 Comments
Schedule for Issuance of the NPDES Permit
SOC, or Other Schedules Which Must be Met
Status of Stormwater Permit, if applicable
Confirm if the Proposed Method and Sequence for Construction of
Additions/New Facilities is Acceptable.
Groundwater Comments
Standby Power Needs
Compliance With N. C. Well Construction Standards
CAMA
X Recommendations for inclusion in the Authorization to Construct
For your reference, review and comments on the above items, plan documents are submitted as follows:
X Plans and Specifications
Subsurface/Soils Report
Power Outage Information
Other
If you have any questions, please do not hesitate to contact me at [phone].
Attachment
MH
cc: ATC Files
Mark Hubbard
Construction Grants and Loans Section One
1633 Mail Service Center Raleigh NC 27699-1633 hCarolina
Phone: [phone] / FAX: [phone] / Internet: mm.nccgl.net �TO
_ _ _ aturaffil

t
cc: Permits and Engineering
Technical Support Branch
County Health Dept.
Central Files
,FSRO
SOC PRIORITY PROJECT: Yes
If Yes, SOC No.
To: Permits and Engineering Unit
Water Quality Section
Attention: Sean Goins
Date: February 7, 1994
NPDES STAFF REPORT AND RECOMMENDATION
County Davidson
Permit No. NC0004626
PART I - GENERAL INFORMATION
1. -Facility and Address: P.P.G. Industries, Inc.
P. O. Box 949
Lexington, N.C. 27293
2. Date of Investigation: February 4, 1994
No X
3. Report Prepared by: Abner Braddy
4. Persons Contacted and Telephone Number: Mr. Jim Buchanan
Mr. David Segers (O.R.C)
[phone]
5. Directions to Site: Take Highway 8 south out of Lexington
and turn right onto Highway 47. Proceed 1.1 mile to New
Jersey Church Road (SR 1323). Turn left and the entrance
gates to the PPG facility are located 0.4 miles on the left.
6. Discharge Points(s), List for all discharge points:
Latitude: 351 44' 18" Longitude: 800 19' 32"
Discharge Point:
U.S.G.S. Quad No. E17NE U.S.G.S. Quad Name Southmont
Plant Site:
U.S.G.S. Quad No. D17SE U.S.G.S. Quad Name Lexington West
7. Site size and expansion area consistent with application?
Yes No If No, explain: No site size asked for or
given in application. Site review indicates there is
adequate room for expansion.

8. Topography (relationship to flood plain included): The WWTP
is located on level ground, well above any flood plain.
9. Location of nearest dwelling: None within 1000.01 of the
discharge point.
10. Receiving stream or affected surface waters: North Potts
Creek arm of High Rock Lake.
a. Classification The upstream portion of North Potts
Creek above the backwaters of High Rock Lake is
classified "C". The lacustrine portion of North Potts
should be considered WSV, the classification of the
upper portion of High Rock -Lake.
b. River Basin and Subbasin No.: Yadkin 03-07-04
C. Describe receiving stream features and pertinent
downstream uses: High Rock Lake is a major
recreational lake, used for both primary and secondary
recreation. The lake exhibits eutrophic summer
conditions, due to both point and non -point pollutant
sources. The Town of Denton uses the Yadkin River
below the High Rock Dam as a drinking supply source.
P.P.G. discharges into North Potts at a point
approximately 3.0 miles from the WWTP. North Potts at
the effluent pipes can vary from lake backwater several
feet in depth to a flowing creek only of few inches
deep, depending on the level of High Rock Lake. On the
date of the site visit, the area was essentially a mud
flat, with the only riparian flow being the base flow
of North Potts.
Part II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of Wastewater to be permitted: 0.6 MGD (Ultimate
Design Capacity)
b. What.is the current permitted capacity of the Waste
Water Treatment facility? 0.6 MGD
C. Actual treatment capacity of the current facility
(current design capacity)? 0.6 MGD
d. Date(s) and construction activities allowed by previous
Authorizations to Construct issued in the previous two
years. 92/09/30 - Replacement of two (2) 31.0'
diameter clarifiers, with a single 50.0' diameter
clarifier.
NPDES Permit Staff Report
Version 10/92
Page 2

e. Please provide a description of existing or
substantially constructed wastewater treatment
facilities; The existing 0.6 MGD activated sludge WWTP
__cansls�a mechanical screen for industrial
wastewater, a—Oomar- for domestic wastewater (of
which, approximately 4000 g.p.d. enters from a separate
line from the American Children's Home) , wet well; dual
influent pumps, three (3) 50,000 n equalizatt,'i_oo_-
%7' tanks, lime and Ferric u at mixing t s, a primary yip
clarifier, nutrient addition (phosphoric acid and
ammonia), 2 aeration basins (can be run either parallel
or in series, though only one is currently i-n use), 3
final clarifiers (though only one, the 50.01--.diameter
is currently in use). gas chlorination, contact
chamber, dual mixed -media (sand and charcoal) filters,
effluent pumps, and twin parallel 3.0 mile long outfall
lines. Treated effluent is also pump.,ad to an elevated
water storage tank, for use in filter backwash and
other clean-up.
f. Please provide a description of proposed wastewater
treatment facilities. None known.
g. Possible toxic impacts to surface waters: C12, Ammonia
h. Pretreatment Program (POTWs only): N.A.
in development approved
should be required not needed
2. Residuals handling and utilization/disposal scheme: Sludge
is lime stabilized, and disposed of via sub -surface
injection.
a. If residuals are being land applied, please specify DEM
Permit No. WO0000760.
Residuals Contractor BioGro
Telephone No. [phone]
b. Residuals stabilization: PSRP X PFRP
Other
c. Landfill:
d. Other disposal/utilization scheme (Specify):
3. Treatment plant classification (attach completed rating
sheet). 4
NPDES Permit Staff Report
Version 10/92
Page 3

4. SIC Code(s): 3229
Primary 64 Secondary 02, 14, 16, 11
Main Treatment Unit Code: 0 1 1 c 3
5 1
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grant
Funds or are any public monies involved. (municipals only)?
N.A.
2. Special monitoring or limitations (including toxicity)
requests: None
3. Important SOC, JOC or Compliance Schedule dates: (Please
indicate) N.A.
Date
Submission of Plans and Specifications _
Begin Construction
Complete Construction
4. Alternative Analysis Evaluation: Has the facility evaluated
all of,the non -discharge options available. Please provide
regional perspective for each option evaluated.
Spray Irrigation: Insufficient land.
Connection to Regional Sewer System: Perhaps in future, but
not at this time.
Subsurface: Insufficient land.
Other disposal opt -ions:
5. Other Special Items:
PART IV - EVALUATION AND RECOMMENDATIONS
PPG produces a fiberglass yarn for the textile industry and
for circuit boards. The fibers are produced via an extrusion
process, and a.starch coating is mechanically swabbed onto the
fibers, resulting in a high -strength influent B.O.D. (--2500
mg/1). The industrial and domestic mix is treated both
biologically (activated sludge) and physically
(coagulation/flocculation). The treatment works and
appurtenances appear to be well operated and maintained.
NPDES Permit Staff Report
Version 10/92
Page 4

The Region recommends this renewal be handled in accordance
with current Division policy for discharges into High Rock Lake.
Signature of report p e
1h, 12�L
Water Quality Regionai Supervisor
Date
NPDES Permit Staff Report
Version 10/92
Page 5

cc: Permits and Engineering
Technical Support Branch
County Health Department
Central Files
WSRO
SOC PRIORITY PROJECT: YES X NO
IF Yes, SOC No. EMC WO 95-18
To: Permits and Engineering Unit
Water Quality Section
Attention: (Jeff Myrha)
AUTHORIZATION TO CONSTRUCT
NPDES PERMIT REPORT AND RECOMMENDATIONS
Date: January 28, 1997
County: Davidson
Permit No. NC0004626
PART I GENERAL INFORMATION
1. Facility Name and Current Address: P.P.G. Industries, inc.
P. O. Box 949
Lexington, N.C. 27293
2
791
9
Date of most recent NPDES Staff Report: (attach copy)
February 7, 1994 (attached)
Changes since previous action on NPDES Permit: None
Verify Discharge Point(s) on plans with current NPDES Permit. List for all discharge
points.
Latitude: 35' 44' 18" ( Longitude: 80' 19' 32"
Attach a USGS map extract and indicate treatment facility site and discharge point on
map.
U.S.G.S. Quad No. U.S.G.S. Name
Dischage Point: E17NE Southmont
Plant Site: D17SE Lexington West

5. Treatment plant classification: (attach completed rating sheet)
4
PART H - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
(PROVIDE THE FOLLOWING INFORMATION IF IT IS NOT ON THE PREVIOUS NPDES
STAFF REPORTI
1. Existing treatment facility:
a. What is the current permitted capacity of the facility?
b. Date(s) and construction activities allowed by previous Authorizations to
Construct issued in the previous two (2) years:
c: What is the actual treatment capacity of the current facility (design volume)?
d. Please provide a description of existing or substantially constructed wastewater
treatment facilities.
2. Please provide a description of proposed wastewater treatment facilities: Installation of
vendor -supplied twin granular activated carbon adsorption units, operated in series, which
will replace the existing mixed media filters; pH adjustment units at the inlet (acid) and
outlet (caustic) of the unit; modification of two existing effluent pumps to accommodate
variable speed drives; use of an existing spare effluent pump to force backwash water
into the GAC vessels; conversion of an existing 62,000 gallon clarifier (not currently in
use) to an equalization basin for receipt of the backwash water, with a sump pump to
control flow rate of the backwash into the aeration basin; installation of a new 600,000
gallon sludge holding tank adjacent to the existing concrete sludge storage basin.
3. Residuals handling and utilization/disposal scheme:
a. If residuals are being land applied, please specify DEM permit no.
Residual Contractor:
Telephone No.
b. Residuals stabilization: PSRP PFRP Other
C. Landfill:
d. Other disposal/utilization scheme (Specify):

4. Important SOC, JOC or Compliance Schedule dates, if applicable: (Please indicate)
Submission of Plans and Specifications December 1, 1996
Begin Construction March 1. 1997
Complete Construction June 1, 1997
PART III - EVALUATION AND RECOMMENDATIONS
P.P.G. intends to install the granular activated carbon unit to remove one or more
toxicants believed to be contributing to the facility's periodic failures of the chronic toxicity test.
The Company has run bench -scale tests which indicate the technology should work.
The new sludge storage tank, while not a part - of the toxicity issue, will give the
Company more flexibility with respect to sludge management issues.
The Region recommends the A. to C. be issued.
Signature of report
Water Quality Section Su ervisor
Date

RATING SCALE FOR CLA551FICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility: ',* �� �l�' le' -
Owner or Contact Pers n:
Mailing Address:
County: ✓' Telephone:
Present Classification:_ A/ New Facility Existing Facility �
NPDES Per. No. NC00 Nondisc. Per. No.WQ Health Dept.Per No.
Rated by: ,4j— Telephone: ?7/- 44�'C'nate:
Reviewed by: Health Dept. Telephone:
Regional Office Telephone: 77/-` -KOO
Central Office Telephone:
ORC: Grade: `�71 Telephone:
Check Classification(s): Subsurface Spray Irrigation Land Application
Wastewater Classification: (Circle One) 1 it III C Total Points:
-------------------------------------------------------------
II-PLANT PROCESSES AND RE A=CONTROL EQUIPMENT WHICH ARE AN IWE-GgAL PART OF IND JSTR Al PR p 1C hJ D-OLL NOT B
CONSIDERED WASTE TREATMerr FOR THE PURPOSE OF CLASSIFICATION ALSO SEPTIC TANK SYSTEMS CONSISTING CiNLY OF SEPTIC TANK
AND GRAVITY NITRIFICATION LINES ARE EXEMPT FROM CLASSIFICATION.
SUBSURFACE CLASSIFICATION
(check all units that apply)
1. septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand filters
5. grease trapAnterceptor
6. oil/water separators
7. gravity subsurface treatment and disposal:
8. pressure subsurface treatment and disposal
SPRAY IRRIGATION CLASSIFICATION
(check all units that apply)
1.
preliminary treatment (definition no. 32 )
2.
lagoons
3.
septic tanks
4.
pump tanks
5.
pumps
6.
sand filters
7.
grease trap/interceptor
8.
oil/water separators
9.
disinfection
10.
chemical addition for nutrient/algae control
11. spray irrigation of wastewater
In addition to the above classifications, pretreatment of wastewater In excess of these components shell
be rated using the point rating system and will require an operator with an appropriate dual certification.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FACILITY CLASSJF)CATION
The following systems shall be assigned a Class I classification, unless the flow is of a significant quantity or the technology is unusually
complex, to require consideration by the Commission on a case -by -case basis: (Check it Appropriate)
1. Oil/water Separator Systems consisting only of physical separation, pumps and disposal;
2. Seplic Tank/Sand Filter Systems consisting only of septic tanks, dosing apparatus, pumps,sand filters, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrient control, and direct discharge;
4. Closed -loop Recycle Systems;
5- Groundwater Remediation Systems consisting only of oil/water separators, pumps, air -stripping, carbon adsorption, disinfection
and dispos 1;
6. Aquaculture operations with discharge to surface waters;
7. Water Plant sludge handling and back -wash water treatment;
8. Seafood processing consisting of screening and disposal.
9. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permitted after July 1,
1993 or if upon inspection by the Division, it is found that the system is not being adequately operated or maintained. Such
systems will be notified of the classification or reclassification by the Commission, in writing.

'The following scale is Usl )r rating wastewater treatment facii : (circle appropriate points)
(3)
(4)
(5)
(6)
ITEM POINTS
Screens, Static Screens or Comminuting Devices........................................................................`2
..............................................................................................................................................1
or
(d) Mechanical or Aerated Grit Removal.............................................................................................................2
(e) Flow Measuring Device................................................................................................................................1
or
(f ) Instrumented Flow Measurement......:......................................................................................................
(g) Preaeratlon......................................................................................................
(h) Influent Flow Equalization..........................................................................................................................
(I) Grease or Oil Separators - Gravity.................................................................................................................2
Mechanical..............................................................................................................................................................................................3
Dissolved Air Flotation8 ()) Prechlorination.........................................................................................................................................5
PRIMARY TREATMENT l NITS(PROC ESSES
(a) Septic Tank (see definition No. 43)............................................................................................................2
(b) Imhoff Tank.............................................................................................................................................5
(c) Primary Clardlers.......................................................................................................................................tip
(d) Settling Ponds or Settling Tanks for Inorganic Non -toxic Materials (sludge handling facilities for water
purification plants, sand, gravel, stone, and other mining operations except recreational activities such as gem
orgold mining)........................................................................................................................................2
SECONDARY TREATMENT UNITS(PROCESSES
(a) Carbonaceous Stage
(i) Aeration -High Purity Oxygen System...............................................................................2
DiffusedAir System.....................................................................................................)
Mechanical Air System (fixed, floating or rotor)................................................................
Separate Sludge Reaeratlon............................................................................................3
(IIj Trickling Fitter
HighRate.......................................................................................................................7
StandardRate...............................................................................................................5
PackedTower................................................................................................................5
Biological Aerated Filter or Aerated Biological Fifter............................................................1 0
(Iv) Aerated Lagoons .................................. :....................................................................... 10
(v) Rotating Biological Contactors......................................................................................10
(vi) Sand Filters -intermittent biological..................................................................................2
Recirculatingbiological....................................................................................................3
(vll) Stabilization Lagoons.....................................................................................................
(viii) Clarifier.................................................................... .3
(ix) Single stage system for combined carbonaceous removal of BOD and nitrogenous removal
nitrification (see definition No. 12)(Points for this hem have to be in addition to hems
(5)(a)(1) through (5)(a)(viii),
utilizing the extended aeration process (see definition No.3a)...........................................2
utilizing other than the extended aeration process............................................................8
(x) Nutrient additions to enhance BOO removal......................................................................5
(x1) Biological Culture ('Super Bugs')addhion........................................................................5
(b) Nitrogenous Stage
(1J Aeration - High Purity Oxygen System.............................................................................20
DiffusedAir System.......................................................................................................1 0
Mechanical Air System (fixed, floating or rotor).................................................................2
Separate Sludge Reaeration............................................................................................3
(II) Trickling Filter -High Rate...................................................................................................7
StandardRate...............................................................................................................5
PackedTower................................................................................ 5
(Ill) Biological Aerated Fiher or Aerated Biological Flher.............................................................1 0
(iv) Rotating Biological Contactors ......................................................................................10
(v) Sand Fiher - Intermittent biological..................................................................................2
Recirculatingbiological....................................................................................................3
(VI) Clarifier..........................................................................................................................5
TERTIARY OR ADVANCED TREATMENT L INITSrPROCESSES
(a) Activated Carbon Beds -
without carbon regeneration..................................................................................................5
with carbon regeneration.........................................................................
(b) Powdered or Granular Activated Carbon Feed ..............................
'without carbon regeneration.................................................................................................5
withcarbon regeneration.....................................................................................................15
(c) Air stripping.............................................................................................................................................5
(d) Denhrificatfon Process..............................................................................................................................10
(e) Electrodlalysis............................................................................................................................................5
(f ) Foam Separation.......................................................................................................................................5
(g) Ion Exchange.......................................................................................................................................5
(h) Land Application of Treated Effluent (see definition No. 22b) (not applicable for sand, gravel, stone
and other similar mining operations) by high rate Infiltration..........................................................................4
(1) Microscreens.............................................................................................................................................5
(1) Phosphorous Removal by Biological Processes (See definition No. 26).........................................................20
(k) Polishing Ponds - without aeration............................................................................................................2
withaeration.................................................................................................................5
(b)
(c)
Industrial Pretreatment Units or Industrial Pretreatment Program (see definition No. 33)...................................................4
DESIGN FLOW OF PLANT IN gpd (not applicable to non -contaminated cooling waters, sludge handling facilities for
water purification plants, totally closed cycle systems(see definition No. 11). and facilities consisting only of hem
(4)(d) or Items (4)(d) and (11)(d)]
0 - 20,000................................................................................................................................................1
20.001 - 50,000......................................................................................................................................2
50,001 - 100,000....................................................................................................................................3
100.001 - 250.000...................................................................................................................................4
250,001 - 500,000...............................................................................................................................
500,001 - 1,000,000............................................................................................................................ ..
1.000,001 - 2,000,000........................................................................................................................... 0
2,000,001 (and up) rate 1 point additional for each 200.000 gpd capacity up to a maximum of .................30
Design Flow (gpd)
PRELIMINARY UNITS/PROCESSES (see definition No.32)
(a) Bar Screens...............................................................................................................................................1
or
Mechanical
Grit Removal

(I)
Post At - cascade....................................................................................................................0
diffusedor mechanical...............................................................................................
(m)
Reverse osis........................................................................................................................................5
(n)
Sand or Mixed -Media Filters - low rate..........................................................................................................2
(o)
(p)
highrate......................................................................5
Treatment processes for removal of metal or cyanide...................................................................................�t
treatment processes for removal of toxic materials other than metal or cyanide.........................................../�Fy
(7)
SLUDGETREATMENT
&1
(a)
Sludge Digestion Tank -'Heated (anaerobic)...............................................................................................1
0
(b)
Aerobic
Unheated(anaerobic)................................................................................................................................
Sludge Stabilization (chemical or thermal)..................................................................................................'
5
C )
(c)
Sludge Drying Beds - Gravity.........................................................................
(11
Vacuum Assisted ...........................................
..................................................................................................... .................................5
..
(d)
Sludge Elutriation.....................................................................................................................................5
Sludge
(e)
Conditioner (chemical or thermal).......................................................................I...........................7�
(f)
Sludge Thickener (gravity).......................................................................................................................
(g)
Dissolved Air Flotation Unit [not applicable to a unit rated as(3)(i)J..........................................
8
h)
...................
Sludge Gas Utilization (including gas storage).............................................................................................2
(i)
Sludge Holding Tank -
............................................................................................................................................................................5Non-aerated
......A..e..r.a..t.e..d.
2
(J)
Sludge Incinerator (not including activated carbon regeneration)................................................................1
0
(k)
Vacuum Filter, Centrifuge, or Filter Press or other similar dewatering devices...................................................1
0
(8)
RESIDUALS UTILIZATIOWDISPOSAL (including incinerated ash)
(a)
Lagoons..................................................................................................................................................2
(b)
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who holds the land application
permit
orlandfill permit.......................................................................................................................................2
(c
Dedicated Landfill(burial) by the permittee of the wastewater treatment facility...............................................5
9
( )
(a)
Chlorination.............................................................................................................................................5
(b)
Dechlorination..........................................................................................................................................5
(c)
Ozone......................................................................................................................................................5
(1 0)
(d) Radiation.......................................................... 5
CHEMICAL ADDITION SYSTEM(S) ( see definition No. 9) [not applicable to chemical additions rated as hem (3)(1).
(5)(a)(xi), (6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each: -
List...........�.
......
........................................................................................f'��
....... ...
......................................................................................................................................
5
(1 1)
.....SSE....S.........................................................................................................................
MISCELLANEOUSUNrfSiPROCE
... 5
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials Including waves
from mining
operations containing nitrogen or phosphorus compounds In amounts significantly greater
than is common
for domestic wastewater.................................................................................
(b)
Effluent Flow Equalization (rat applicable to storage basins which are inherent in land application systems)
(c)
Stage Discharge (not applicable to storage basins inherent in land application systems)
.....2
(d)
..................................5
Pumps..................................................................................................................................................
K/
(a)
(f )
Stand -By Power Supply..............................................................................................................
Thermal Pollution
�
..........J
Control Device............................................................................................................
TOTALPOINTS..........................................................................
���)
CLASSIFiCATION
ClassI...........................................................................................................5.25 Points
ClassII.........................................................................................................26-50 Points
ClassIII........................................................................................................51.65 Points
ClassIV ............ ........................................................................................... 66-Up Points
-----------------------------------------------------
Facilities having a rating of one through four points, Inclusive, do not require a certified operator.
Facilities having an activated sludge process will be assigned a minimum classification of Class II.
Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class IL
Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class III.
---------------------- -------------------------------
0004 DEFINITIONS
The following definitions shall apply throughout this Subchapter.
(1) Activated Carbon Beds. A physlcaVchemical method for reducing soluble organic material from wastewater effluent; The column -type beds used In this
method will have a flow rate varying from two to eight gallons per minute per square foot and may be either upflow or downflow carbon beds. Carbon may or
may not be regenerated on the wastewater treatment plant site;
(2) Aerated Lagoons. A basin in which all solids are maintained in suspension and by which biological oxidation or organic matter is reduced through artificially
accelerated transfer of oxygen on a flow -through basis;
(3) Aeration. A process of bringing about intimate contact between air or high purity oxygen In a liquid by spraying, aghation or diffuslon;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic detention time of 18 hours.
(4) Agriculturally managed she. Any site on which a crop is produced, managed, and harvested (Crop Includes grasses, grains, trees, etc.);
(5) Air Stripping. A process by which the ammonium Ion Is first converted to dissolved ammonia (pH adjustment) with the ammonia then released to the
atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and xylene;
(6) Carbon Regeneration. The regeneration of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the
absorbed Impurities;
(7) Carbonaceous Stage. A st ige of wastewater treatment designed to achieve 'secondary' effluent limits;
(8) Centrifuge. A mechanical device In which centrifugal force Is used to separate solids from liquids or to separate liquids of different dens�las;
(9) Chemical Addition Systems- The addition of chemicals) to wastewater at an application point for purposes of Improving solids removal, pH adjustment,
alkalinity control, etc.; the capability to experiment with different chemicals and different application points to achieve a specific result will be considered one
system; the capability to add chemical(s) to dual units will be rated as one system; capability to add a chemical at a different application points for different
purposes will result in the systems being rated as separate systems;
(10) Chemical Sludge Conditioning. The addition of a chemical compound such as lime, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
its application to a dewatering device;
(11) Closed Cycle Systems. Use of holding ponds or holding tanks for containment of wastewater containing inorganic, non -toxic materials from sand, gravel,
crushed stone or other similar operations. Such systems shall carry a maximum of two points regardless of pumping facilities or any other appurtenances;
(12) Combined Removal of Carbonaceous BOO and Nitrogenous Removal by Nitrification- A single stage system required to achieve permit effluent limits on BOD
and ammonia nhrogen within the same biological reactor;
(13) Dechlorinatlon. The partial or complete reduction of residual chlorine in a liquid by any chemical or physical process:
11d1 11e.,4.:,t.....1,.-. -------

cc: Permits and Engineering
Technical Support Branch
County Health Dept.
Central Files
SRO
SOC PRIORITY PROJECT: Yes No X
If Yes, SOC No.
To: Permits and Engineering Unit
Water Quality Section
Attention: Sean Goins
Date: February 7, 1994
NPDES STAFF REPORT AND RECOMMENDATION
County Davidson
Permit No. NC0004626
PART I - GENERAL INFORMATION
1. Facility and Address: P.P.G. Industries, Inc.
P. O. Box 949
Lexington, N.C. 27293
2. Date of Investigation: February 4, 1994
3. Report Prepared by: Abner Braddy
4. Persons Contacted and Telephone Number: Mr. Jim Buchanan
Mr. David Segers (O.R.C)
[phone]
5. Directions to Site: Take Highway 8 south out of Lexington
and turn right onto Highway 47. Proceed 1.1 mile to New
Jersey Church Road (SR 1323). Turn left and the entrance
gates to the PPG facility are located 0.4 miles on the left.
6. Discharge Points(s), List for all discharge points:
Latitude: 350 44' 18" Longitude: 800 19-1 32"
Discharge Point:
U.S.G.S. Quad No. E17NE U.S.G.S. Quad Name Southmont
Plant Site:
U.S.G.S. Quad No. D17SE U.S.G.S. Quad Name Lexington West
7. Site size and expansion area consistent with application?
Yes No If No, explain: No site size asked for or
given in application. Site review indicates there is
adequate room for expansion.

8. Topography (relationship to flood plain included): The WWTP
is located on level ground, well above any flood plain.
9. Location of nearest dwelling: None within 1000.01 of the
discharge point.
10. Receiving stream or affected surface waters: North Potts
Creek arm of High Rock Lake.
a. Classification The upstream portion of North Potts
Creek above the backwaters of High Rock Lake is
classified "C". The lacustrine portion of North Potts
should be considered WSV, the classification of the
upper portion of High Rock -Lake.
b. River Basin and Subbasin No.: Yadkin 03-07-04
C. Describe receiving stream features and pertinent
downstream uses: High Rock Lake is a major
recreational lake, used for both primary and secondary
recreation. The lake exhibits eutrophic summer
conditions, due to both point and non -point pollutant
sources. The Town of Denton uses the Yadkin River
below the High Rock Dam as a drinking supply source.
P.P.G. discharges into North Potts at a point
approximately 3.0 miles from the WWTP. North Potts at
the effluent pipes can vary from lake backwater several
feet in depth to a flowing creek only of few inches
deep, depending on the level of High Rock Lake. On the
date of the site visit, the area was essentially a mud
flat, with the only riparian flow being the base flow
of North Potts.
Part II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of Wastewater to be permitted: 0.6 MGD (Ultimate
Design Capacity)
b. Whatis the current permitted capacity of the Waste
Water Treatment facility? 0.6 MGD
C. Actual treatment capacity of the current facility
(current design capacity)? 0.6 MGD
d. Date(s) and construction activities allowed by previous
Authorizations to Construct issued in the previous two
years. 92/09/30 - Replacement of two (2) 31.0'
diameter clarifiers, with a single 50.0' diameter
clarifier.
NPDES Permit Staff Report
Version 10/92
Page 2

e. Please provide a description of existing or
substantially constructed wastewater treatment
� facilities; The existing 0.6 MGD activated sludge WWTP
7wastewater,
ns' a mechanical screen for industrial
a E rnm4+,,�for domestic wastewater (of
which, approximately 4000 g.p.d. enters from a separate
/j��U line from the American Children's Home) , wet well; dual �%
`/,4?)'� influent pumps, three (3) 50,000 n equali7,atiori:- ll�jn
/ tanks, lime and Ferric u ate mixing t s, a primary
clarifier, nutrient addition (phosphoric acid and
ammonia), 2 aeration basins (can be run eitl-*er parallel
or in series, though only one is currently i-n use), 3
final clarifiers (though only one, the 50.0'-7diameter
is currently in use). gas chlorination, contact
chamber, dual mixed -media (sand and charcoal) filters,
effluent pumps, and twin parallel 3.0 mile long outfall
linen. Treated effluent is also pumpad to an elevated
water storage tank, for use in filter backwash and
other clean-up.
f. Please provide a description of proposed wastewater
treatment facilities. None known.
g. Possible toxic impacts to surface waters: C12, Ammonia
h. Pretreatment Program (POTWs only): N.A.
in development approved
should be required not needed
2. Residuals handling and utilization/disposal scheme: Sludge
is lime stabilized, and disposed of via sub -surface
injection.
a. If residuals are being land applied, please specify DEM
Permit No. W40000760.
Residuals Contractor BioGro
Telephone No. [phone]
b. Residuals stabilization: PSRP X PFRP
Other
c. Landfill:
d. Other disposal/utilization scheme (Specify):
3. Treatment plant classification (attach completed rating
sheet). 4
NPDES Permit Staff Report
Version 10/92
Page 3

4. SIC Code(s): 3229
Primary 64 Secondary 02, 14, 16, 11
Main Treatment Unit Code: 0 1 1 s 3
5 1
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grant
Funds or are any public monies involved. (municipals only)?
N.A.
2. Special monitoring or limitations (including toxicity)
- requests: None
3. Important SOC, JOC or Compliance Schedule dates: (Please
indicate) N.A.
Date
Submission of Plans and Specifications _
Begin Construction
Complete Construction
4. Alternative Analysis Evaluation: Has the facility evaluated
all of the non -discharge options available. Please provide
regional perspective for each option evaluated.
Spray Irrigation: Insufficient land.
Connection to Regional Sewer System:
not at this time.
Subsurface: Insufficient land.
Other disposal opt -ions:
5. Other Special Items:
PART IV - EVALUATION AND RECOMMENDATIONS
Perhaps in future, but
PPG produces a fiberglass yarn for the textile industry and
for circuit boards. The fibers are produced via an extrusion
process, and a starch coating is mechanically swabbed onto the
fibers, resulting in a high -strength influent B.O.D. (--2500
mg/1). The industrial and domestic mix is treated both
biologically (activated sludge) and physically
(coagulation/flocculation). The treatment works and
appurtenances appear to be well operated and maintained.
NPDES Permit Staff Report
Version 10/92
Page 4

The Region recommends this renewal be handled in accordance
with current Division policy for discharges into High Rock Lake.
Signature of report p
Water Quality Regionai Supervisor
-2--7-1,5
Date
NPDES Permit Staff Report
Version 10/92
Page 5

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Q1
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E.,
MR. J.W. BUCHANAN
PPG INDUSTRIES
PO BOX 949
LEXINGTON, NORTH CAROLINA 27293
Dear MR. BUCHANAN:
• •
D EHNR
►= tHN`l
n7
December 13, 1996
.1 ®91.
1P
Subject: Application No. AC0004626
WWTF/SOC/GAC Addition
Authorization To Construct
Davidson County
The Division's Permits and Engineering Unit acknowledges receipt of your permit application and
supporting materials on December 3, 1996. This application has been assigned the number listed
Your project has been assigned to Jeff Myhra for a detailed engineering review. Should there be any
questions concerning your project, the reviewer will contact you with a request for additional information.
Be aware that the Division's regional office, copied below, must provide recommendations for this
project prior to final action by the Division.
If you have any questions, please contact Jeff Myhra at [phone] extension 597.
PLEASE REFER TO THE ABOVE APPLICATION NUMBER WHEN MAKING
INQUIRIES ON THIS PROJECT.
Sincerely,
David A. Goodrich
Supervisor, NPDES Group
cc: Winston Salem Regional Office ASSIGNED TO
DBE DAi 112�Z.
Pollution Prevention Pays
P.O. Box 29535. Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer