NCG030554_COMPLETE FILE - HISTORICAL_20150823

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
/V
I
DOC TYPE
2�- HISTORICAL FILE
❑ MONITORING REPORTS
DOC DATE
❑ U� ��5 Og � 3
YYYYMMDD

Augdst',13, 2015
Mr.. Mike Jones
Safety: ' anager
i Thermcraft.-Inc.
PubtkWbrks 3950 OverdaleRd.-
'Dcparm6t Winstoh-Salerfi, N.C.. -27107
swrMwwMlizesion Qr4 D"-M' ­M"k -Jones
Sedimcntatian C;6=4 Program r. i -:
The- gfon-nwater-Divisionof -City, of Winston-Salem would.like to thank
P.O. Bi 2511
%V..n SNE 27i02, yAp'-,pfbf&gsional,courtesy'regArdipg the -July D�,5 y�201 -re-
d�X
OtyU" 311 (3M,727.&WO) inspection,of ThermcraffInc.
Fax _33i6-ji8.31_73_ '
Thdrrncrafflnc.,_. has provided documentation that; venifi es � ihe.successful.
completion , oft e-.,corrective'mieas-des,,Iodaie'd.fnPart:4'—Re4i4iredAciions
to "We"'CoM-0161 t IsAim i�gcih' A 1� e,TherrncrAftLIncAds,no
outstandtngfinspec;ion;compliance-iterns,to complete.
The=gt6rmwaterIii'v.l'srion=reserve, Therincraft
;�ihe,iighi.,to'enter,and,inspect
Inc, as,;often;as necessary io,,.d6iei-mifi& compliance '*ith,j)e­r'M`� it.
requjements of NCG0305S4:
Thank you for your &fiti 'd th of.
cont
inued df 6 City
--Winston-Salem? s.Stormwater7P'rogr'am- Iyou=hay.eany,.questions, ,please
f661166 to 66fita6tlriedt.[phone]-
TRPeEq Y,
Uadohta�"Jahidl" Clark'
96rr'n­ wa't'er_In,­spect'ar
Phone :A36`747.6964
336,4162403.
D:A&. N.,,h W" D. Bte. S--m%-- M,* R-b- C a -A, %-i T-L

.I 1
Compliance Inspection Report
Permit: NCG030554 Effective: 11/01/12 Expiration: 10/31/17 Owner: Thermcraft Inc
SOC: Effective: Expiration: Facility: Thermcraft, Inc.
County: Forsyth 3950 Overdale Rd
Region: Winston-Salem
Winston Salem NC 27107
Contact Person: Thomas M Crafton Title: Phone: [phone]
Directions to Facility:
Highway 52 South., Exit onto Clemmonsville Road, Left onto Clemmonsville Road, Right onto Southdale Road, Stay left onto
Overdale Road, we are 112 mile down on the right.
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Inspection Date: 07/23/2015
Primary Inspector: Glen White -
Secondary Inspector(s):
Entry Time: 09:00AM
Exit Time: 11:OOAM
Phone: [phone]
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Metal Fabrication Stormwater Discharge COC
Facility Status: Compliant Not Compliant
Question Areas:
Storm water
(See attachment summary)
Page: 1

Permit: NCGO30554 Owner- Facility: Thermcraft Inc
Inspection Date: 07/23/2015 Inspection Type : Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
Ladonta Clark of Winston Salem conducted the initial inspection and this re -inspection following corrective action he
requested for permit compliance.
Page: 2

Permit: NCG030554 Owner - Facility: Thermcmft Inc
Inspection Date: 0712312015 Inspection type : Compliance Evaluation Reason for Visit: Routine
Stormwater Pollution Prevention Plan
Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan?
❑ ❑ ❑
# Does the Plan include a General Location (USGS) map?
❑ ❑ ❑
# Does the Plan include a "Narrative Description of Practices"?
0 ❑ ❑ ❑
# Does the Plan include a detailed site map including outfall locations and drainage areas?
0 ❑ ❑ ❑
# Does the Plan include a list of significant spills occurring during the past 3 years?
❑ ❑ ❑
# Has the facility evaluated feasible alternatives to current practices?
❑ ❑ ❑
# Does the facility provide all necessary secondary containment?
M ❑ ❑ ❑
# Does the Plan include a BMP summary?
M ❑ ❑ ❑
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
0 ❑ ❑ ❑
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
0 ❑ ❑ ❑
# Does the facility provide and document Employee Training?
0 ❑ ❑ ❑
# Does the Plan include a list of Responsible Party(s)?
! ❑ ❑ ❑
# Is the Plan reviewed and updated annually?
® ❑ ❑ ❑
# Does the Plan include a Stormwater Facility Inspection Program?
0 ❑ ❑ ❑
Has the Stormwater Pollution Prevention Plan been implemented?
0 ❑ ❑ ❑
Comment:
Qualitative Monitoring
Yes No NA NE
Has the facility conducted its Qualitative Monitoring semi-annually? ❑ ❑ ❑
Comment:
Analytical Monitoring Yes No NA NE
Has the facility conducted its Analytical monitoring? S ❑ ❑ ❑
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? ❑ N ❑ ❑
Comment:
Permit and Outfalls Yes No NA NE
# Is a copy of the Permit and the Certificate of Coverage available at the site? E ❑ ❑ ❑
# Were all outfalls observed during the inspection? ■ ❑ ❑ ❑
# If the facility has representative outfall status, is it properly documented by the Division? ❑ ❑ 0 ❑
# Has the facility evaluated all illicit (non Stormwater) discharges? ® ❑ ❑ ❑
Comment:
Page: 3

NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Charles Wakild, P. E.
Governor Director
December 4, 2012
Thomas Crafton
Thermcraft Inc
3950 Overdale Rd
Winston Salem, NC 27107
Dee Freeman
Secretary
Subject: NPDES Stormwater Permit Coverage Renewal
Thermcraft, Inc.
COC Number NCG030554
Forsyth County
Dear Permittee:
In response to your renewal application for continued coverage under stormwater General Permit NCG030000
the Division of Water Quality (DWQ) is forwarding herewith the reissued General Permit. This permit is
reissued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of
Agreement between the state of North Carolina and the U.S. Environmental Protection Agency, dated October
15, 2007 (or as subsequently amended).
The following information is included with your permit package:
• A new Certificate of Coverage (COC)
• A copy of General Permit NCG030000
• A copy of the Technical Bulletin for the General Permit
• Two copies of the Discharge Monitoring Report (DMR) Form
• Two copies of the Qualitative Monitoring Report Form
The General Permit authorizes discharges of stormwater, and it specifies your obligations for discharge
controls, management, monitoring, and record keeping. Please review the new permit to familiarize yourself
with all the changes in the reissued permit. Your facility has six (6) months from the time of receipt of the
permit to update your current SPPP to reflect all new permit requirements.
The first sample period of your permit begins January 1, 2013. Your facility must sample a "measureable
storm event" beginning during the periods beginning January 1 and July 1 of every year (or, if applicable,
report "No Flow," as outlined in Part III, Section E). Also, please note that Tier 3 Actions in Part II of your
permit are triggered by benchmark exceedances on four occasions beginning on the effective date of this
permit and do not count prior exceedances.
The more significant changes in the General Permit since your last COC was issued are noted either in the
Draft Permit Fact Sheet that accompanied the public notice (http://portal.ncdenr.org/web/wq/ws/su/current-
notices), or in the Response to Comments / Summary of Changes and Technical Bulletin documents that are
posted on the Stormwater Permitting Unit's website with the new General Permit. Please visit
http://Portal.ncdenr.org/weblwq/ws/su/­npdessw (click on 'General Permits' tab) to review that information
for your specific General Permit carefully.
1617 Mail Service Center, Raleigb, North Carolina 27699-1617
Location: 512 N. Wlsbury St. Raleigh, North Carolina 27604
Phone: 91 -,.807-6300 1 FAX: [phone]
Internet: t ;wv.ncwaterguality.orq
An Equal upx:tunityli-ArmativeAcWn! ;'pl(:-jer
NorthCart)lina
,/ atllwl4il

Thomas Crafton
December 4, 2012
Page 2 of 2
Some of the changes include:
Part II:
• Section A: The Stormwater Pollution Prevention Plan (SPPP) section, if applicable, has been updated
to the most current language of our permits. Additional conditions for specific industry sectors have
been added to the SPPP requirements in some cases.
• Sections B, C. Failure to perform analytical stormwater monitoring may result in the Division requiring
that the permittee begin a monthly sampling scheme.
• Sections B, C: A lower TSS benchmark of 50 mg/I for HQW, ORW, PNA and Tr Waters applies to these
more sensitive waters.
• Sections B, C: The monitoring parameter Oil & Grease (O&G) has been replaced by the parameter
Total Petroleum Hydrocarbons (TPH) for vehicle maintenance areas, and in some cases, other
analytical monitoring requirements.
• Sections B, C, D: Inability to sample due to adverse weather must be recorded in the SPPP, or in
separate on -site records if your General Permit does not require an SPPP. Adverse weather is defined
in the "Definitions" section of the permit.
• Sections B, C: The term "Representative Storm Event" has been replaced by "Measurable Storm
Event." A measurable storm event is defined in the permit.
• Section D: If the permittee fails to respond effectively to problems identified by qualitative
monitoring, DWQ may require the permittee to perform corrective action.
Please review Parts III and IV to understand the Standard Conditions of your new NPDES General Permit,
including Compliance and Liability, Reporting, Monitoring and Records requirements; Operation and
Maintenance obligations; and Definitions. Please note that all samples analyzed in accordance with the terms
of this permit must be submitted to the Division on Discharge Monitoring Report (DMR) forms available on
the Stormwater Permitting Unit's website above. DMR forms must be delivered to the Division no later than
30 days from the date the facility receives the sampling results from the laboratory. Also note that existing
permittees do not need to submit a renewal request prior to expiration unless directed by the Division.
Your coverage under the General Permit is transferable only through the specific action of DWQ. This permit
does not affect the legal requirements to obtain other permits which may be required by DENR, nor does it
relieve the permittee from responsibility for compliance with any other applicable federal, state, or local law,
rule, standard, ordinance, order, judgment, or decree. If you have any questions regarding this permit
package, please contact the Division's Stormwater Permitting Unit at [phone].
Sincerely,
I
for Charles Wakild, P.E.
cc: DWQ Central Files
Stormwater Permitting Unit Files
Winston-Salem Regional Office

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCGs030000
CERTIFICATE OF COVERAGE No. NCG030554
STORMWATER
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-2151, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
Thermcraft Inc
is hereby authorized to discharge stormwater from a facility located at:
Thermcraft, Inc.
3950 Overdale Rd
Winston Salem
Forsyth County
to receiving waters designated as South Fork Muddy Creek, a class C waterbody in the Yadkin
River Basin in accordance with the effluent limitations, monitoring requirements, and other
conditions set forth in Parts 1, 11, 111, and IV of General Permit No. NCG030000 as attached.
This certificate of coverage shall become effective December 4, 2012.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this 4th day of December, 2012.
for Charles Wakild, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

A—
�� D
DiViAOII
Industrial Surface Water Re -inspection Form
Name of Facility: Thermcraft Incorporated
Date: 9/8/2010
Time: 10.00 AM
Comments & Observations:
RECEIVED
N.C, peat, of ENR
SE3 0 2010
Win$:cn- r-
1. Incorporate all stormwater permit requirements into Thermcraft's SPPP,
2. -Document the standard operating procedures for the wastewater discharge from the
forming tank as well as corresponding countermeasures to prevent an -illicit -release to
outdoors.
3. • A -feasibility study has been completed by Thermcraft incorporated for the pump room
area_ Incorporate the results of this study into your SPPP. - _
4. Document that your contracted diesel fuel vendor understands and will abide by
Thermcraft's implemented procedures.
S. Install an on -site rain gauge and document total precipitation for each wet weather
sampling event.
6. Document that pH measurements have been analyzed within 15 minutes of a sample
collection.
7. Remove and properly dispose of all diesel -laden soil at the generator sKed area.
8. Required Action Items #4, 5,6,8-13 have been successfully completed b' Thermcraft
Incorporated (please refer to the Stormwater Division's 6/4/2010 inspection form).
9. Re -inspection Action Items # 1-5, 7 shall be completed by 9/30/2010. Thermcraft
Incorporated shall keep the Stormwater Division abreast of its progression to complete
these Re -inspection Action Items. The Stormwater Division reserves the right to inspect
Thermcraft Incorporated as often as necessary in order to determine compliance with
its stormwater permit.
Page 1 of 2

Facility Representative(s) & Title(s): Mr. Mike Jones, Manager
Signature(s) of City Stormwater Inspector(s) and Title(s):
William Baugher, Stormwater Inspector
Andy Allen, Special Projects Coordinator 7jzlee"
Page 2 of 2

June 7, 20I0
Mr. Mike Jones
Manager
Thermcraft Incorporated
P.O. Box 12037
Winston-Salem, NC 27117-2037
Dear Mr. Jones:
A rl�v
EReg
RECEIVED
. o¢pi. Of 0 8 2010
ional of rce @J
Wrnslou-Nem
Public Works Department
Stormwater Administration
Gryof Winsron-saicm
CO. Box 2511
Winston-Salcn, NC 27102
T'el 336J47.74so
Fax [phone]
www,tirvofws.org
The Stormwater Division of the City of Winston-Salem would like to thank you for your time and
professional courtesy regarding the June 4, 2010 inspection of Thermeraft Incorporated.
As per your request, a photocopy of the completed inspection form has been enclosed to you.
The Stormwater Division is requiring the completion of Annotations # i - # 14 that are denoted in
Part 4, Required Actions to be completed by Facility, which is located on your surface water
inspection form.
The Stormwater Division reserves the right to enter and inspect Thermcraft Incorporated as often as
necessary to determine compliance with permit requirements of NCG030554,
Thank you for your continued support and implementation of the City of Winston-Salem's
Stormwater Program. if you have any questions, please feel free to contact me at [phone].
Sincerely,
a,rteL le wzl_--
Andrew K. Allen
Special Projects Coordinator
Cc: Steve Mauney, Water Quality Specialist with the N.C. Division of Water Quality

City of Winston-Salem
Stormwater Division
Surface Water Inspection for Industrial Sites
Part 1 - General Information
A) Official Company Name: Thermcraft Incorporated
B) 1. Physical Address: 3950 Overdale Road Winston-Salem, NC 27107
2. Telephone Number: [phone]
C) Mailing Address, if different from above address: P.O. Box 12037
Winston-Salem, NC 27117-2037
D) 1. Primary contact who is authorized to represent company in official business:
Mr. Tom Crafton
Title: President
2. Secondary contact:
Mr. Mike Jones
Contact number(s): 784-4800
Title: Manager Contact number(s): 784-4800
E) SIC Code Number of business:
F) NC Stormwater NPDES Permit Number
Facility Type Metal fabrication
3567
NCG030554
G) Any other control authority permit(s) (ex.: air control, wastewater, hazardous waste) & number(s):
CESQG for Hazardous Waste
H) Brief description of manufacturing process of products produced on site:
Thermcraft produces industrial furnaces, ovens, electronic controls stems, thermal
processing equipment, high temperature heaters, and laboratory furnaces.
1) Receiving Water(s)/MS4
Lower South Fork Creek
Part 1 - Stormwater Controls
1. Best Management Practices
a. List the non/structural controls employed by the facility
1) Forklift maintenance is oerformed indoors - waste oils are recvcled at 3RC
2) Waste bins are stored indoors EXCEPT for the bin at the ceramic fiber cutting room. _
3) Thermcraft uses a dust collection system to capture airborne ceramic fibers, thus preventing
release into the open environment.
4 All manufacturing processes occur under roof; the floors of the facility are very clean.
5) Wastewater from the forming tank are discharged to the sanitary sewer via a solids separator.

b. Are the BMPs reasonable & appropriate for the facility X yes no
Comments: Document the standard operating procedures (and corresponding
countermeasures) for the wastewater discharge from the forming tank. Ensure that
employees adhere to these protocols in order to prevent a spill from entering the stormwater
collection system.
c. Are BMPs maintained and in effective, operating condition? _ X yes _ no
2. Provide a brief description of other controls that manage/prevent/minimize stormwater runoff
(e.g., erosion and sediment controls, inlet protection/control at storm drains, diversion structures):
A vegetative buffer surrounds the perimeter of the property; this minimizes erosion from the site.
Part 2 - Miscellaneous
1. Any evidence of discharge to receiving waters/MS4? (e.g_: stormwater runoff, dry weather
discharge, co -mingling of process wastewater): _ X yes no
Comments: During the inspection, staff observed a hydrocarbon sheen on the surface of the
plunge pool at Outfall #1. The identified source of the hydrocarbon sheen was a
small quantity of spilled diesel fuel that co -mingled with___stormwater runoff from
a leaking roof.
2) Do the stormwater outfalls on -site correspond with those listed on the site map and in SPPP?
X Yes No NIA
Comments:
Part 3 - SPPP Review
General
NOTES
1) Is there a SPPP?
Yes
No
2) Does SPPP identify a specific position(s) for
Need to list responsibilities of
responsible party purposes (e.g.: overall coordination ,
Yes
No
SPPP component
implementation to pertinent
development, implementation, & revision)
staff
3) Does SPPP designate facility personnel
Yes
No
responsible for implementing SRP?
4) Does SPPP include a certification statement?
Yes
No
5) Are employee training records regarding stormwater
Mr. Jones stated that SRT
pollution prevention topics included in SPPP?
Yes
NO
occurs on an annual basis -
not documented
Comments:

Site Map
NOTES
r
1) Is there a site map?
Yes
No
2) Drainage patterns/outfalls
Yes
No
3) Identification of potential pollutants likely
to be discharged from each drainage area?
Yes
No
4) Narrative Description and locations of (check if present):
1. Storage Practices
2. Unloading/Loading activities
3. Outdoor processes
4. Particulate generating/control processes
5. Waste Disposal
X
t) Describe outdoor diesel
Fueling operations
2) Describeoperationsbagse
operations
X
X
5) Name of receiving waters or MS4's listed?
Yes
No
6) Locations of significant materials exposed
to stormwater?
Yes
No
7) Locations and descriptions of major spills occurring within the
the 3 pervious years (w/ corrective actions to prevent future spills)?
Yes
No
Stormwater Controls
NOTES
1) Does the SPPP describe the non-structural
controls that will be used to prevent/reduce
Yes
No
discharge of pollutants in stormwater runoff?
2) Does the SPPP describe the structural
controls that will be used to prevent/reduce
Yes
No
NIA
discharge of pollutants in stormwater runoff?
3) Does the SPPP describe other controls that
will be used to prevent/reduce.off-site tracking
or blowing of sediment, dust, and raw, final,
Yes
No
or waste products, or other solid materials
and floating debris?
4) Does the SPPP incorporate the 8 baseline
controls (good housekeeping, BMP summary,
feasibility study, PM, SRP procedures, facility
Yes
No
inspections, and comprehensive site evaluations,
employee training, secondary containment, and
sediment control?
5) Does SPPP contain completed routine inspection
reports/logs regarding reportable implementation
Yes
No
Need to document spill response training
of the 8 baseline controls?
6) Does the SPPP describe the pollutant or activity
to be controlled by BMP's and assessed the need
Yes
No
of implementation through data collected?
Non-stormwater Discharges
NOTES
1) Certification that the facility has been tested
Yes
No
for non-stormwater discharges from the site?
2) Description of testing method, drainage
Yes
No
points, observed results, date, and signature?

Monitdrinq
1) Are samples collected within 30 minutes of
Thermcraft needs toinstalianOn-Site rain
measurable weather events occurring 72 hours
Yes
No
gauge and record the total precipitation
amount for the stormwater event in which
after previous measurable weather event?
sampling occurred.
2) Were samples collected and preserved in
Yes
No
accordance with 40 CFR 136?
3) Was proper chain -of -custody procedures
Yes
No
followed?
4) Was analytical and qualitative monitoring
Yes
No
complete?
Any exceedences of pollutant parameters in regards
Yes
No
pH needs to be analyzed within t5
to cutoff concentrations/effluent limits?
minutes of collection
Part 4 - Required Actions to be completed by Facility:
1) Incoroorate all stormwater permit reauirements into Thermcraft's SPPP.
2) Document the standard operating procedures for the wastewater discharge from the forming tank
as well as corresponding countermeasures to prevent an illicit release to outdoors.
3) Conduct a feasibility study in order to investigate the viability of eliminating the risk of exposing
forming tank wastewater discharge at the pump room area to the open environment.
4) Fix the roof leak at the generator room area; the stormwater runoff is being contaminated with
spilled diesel fuel from the shed floor.
5) Clean-up refuse ceramic fibers at the outdoor unloading area of the pump room.
6) Place a spill kit at the diesel fueling area.
_7) Develop and implement check-in/out procedures for diesel fuel unloading activities. Document that
your contracted diesel fuel vendor understands and will abide by Thermcraft's implemented procedures.
8) Remove 55 gallon barrels of residual lubricating oil from outside; dispose in accordance with applicable
Federal, State, and local regulations.
9) Relocate the forklift trash bin indoors (located at the ceramic cutting area).
10) Replace the dumpster at the main dumpster pad - ensure the new dumpster is watertight.
11) Remove and properly dispose of the two 5 gallons buckets of #4 cleaning solution as well as the
55 gallon drum of Valcool, which are stored at the ceramic storage area.
12 Remove and properly dispose of the waste oil buckets, which are stored at the ceramic storage area.
13) Clean-up residual ceramic dust at the baghouse dumpster pad and incorporate a routine cleaning
schedule into Thermcraft's SPPP for this area.
14) Remove and properly dispose of diesel -laden soil at the generator shed area.
15 Required Action Items #1 - #14 shall be completed by 9/1/2010. Thermcraft shall keep the Stormwater
Division abreast of its progression to complete these required actions. The Stormwater Division reserves the
right to inspection Thermcraft as often as necessary in order to determine compliance with its stormwater permit.
Company representative that attended inspection
Title: Manager
Start of Inspection
Completion of Inspection
Date: 6/4/2010
9:00 A.M.
12:00 P.M.
Mr. Mike Jones
Signature of City Stormwater Inspector: a- /`
Title: Special Projects Coordinator

Refuse ceramic fibers at the pump room area - fibers need to disposed of properly
Fr.
Spilled diesel fuel in the generator shed area - the source of the hydrocarbon sheen at Outfall #1

Residual lubricating oil that is mixed with rainwater -dispose of oil in accordance with all applicable laws
A forklift trash bin that is stored outdoors - the contents are in direct contact with rainwater

Dumpster is not watertight - needs to be replaced
Buckets of #4 cleaning solvent that are no longer needed - dispose of product in a lawful fashion

Abandoned waste oil vessels - dispose of containers in accordance with applicable regulations
Clean-up residual ceramic dust at baghouse area - incorporate this area into SPPP for routine cleaning

Winston-Salem, NC 27117, USA
Mr. Marc Stokes
585 Waughtown Street
Winston-Salem
North Carolina 27107
Dear Mr. Stokes
'DEL: [phone] FAX: [phone]
h ttA : ll www. th a rm c raft i n c. corn
E-MAIL: [e-mail]
iRECEIVED
C. DeDt of ENR
B 2 8 2008
mston-Saleregienal Office
Enclosed is the current copy of Thermcraft's Stormwater Pollution
Prevention Plan. This program was developed using the guide lines the
DWQ office provided to Thermcraft. If there is any changes or modification
that you or your staff see that will improve the program please feel free to
contact me. I do want to thank you for your assistance with this project.
Sincerely,
Mike Jone
Manager
Thermcraft Inc.

Postal
CERTIFIED I 1
i
(DomesticOnly;
ru
Ln
r
.0
Ln Postage $ fS 1Er
6^ '
Codified Foe
0 Retum Recelpt Fee l P
0 (Endorsement Requlred)
RestAClod i7eRvary Fee
0 (Endorsement Requlrod)
ToLW Postage & Fees s - • 3 0
Mr. Tom Crafton
Thermcraft , Inc.
s 3950 Overdale Road
Winston-Salem, NC 27117
Pps"-"
9

■ Complete items 1, 2, and 3. Also complete
A.'Sig ture
- item 4 if Restricted Delivery is desired.
X © Agent
■ Print your name and address on the reverse
Addressee
so that we can return the card to you.
B. eceived by ( Printed Name
D�of D livery
■ Attach this card to the back of the mailpiece,
�v, 1 / n�
n/ I
or on the front if space permits.
D. Is delivery address different from item 1 ? ❑Yes
It YES, enter delivery address below: © No
1, Article Addressed to:
Mr. Tom Crafton
Thermcraft , Inc.
3. s rviceType
3950 overdale Road
i NC 27117
Winston-Salem,
Certified Mail ❑ Express Mail
Registered Return Receipt for Merchandise
❑ Insured Mail ((!❑ C.O.D.
4. Restricted Delivery? (Extra Fee) ❑ Yes
_. 7.007 1490 0004 9565 0528
PS Form 3811, February 2004 Domestic Return Receipt 102595-02-M-154(

RUNITED STATES„'t{'siy F+�w
• Sender: Please print your name, address, and ZIP+4 in this box •
NCDENR- Water Quality Section
make A*"
585 Waughtown Street
Winston-Salem, NC 27107

WZ=
January 15, 2008
Certified Mail 7007 1490 0004 9565 0528
Return Receipt Requested
Mr, Tom Crafton
Thermcraft, Inc.
3950 Overdale Road
Winston-Salem, NC 27117
Re: Stormwater Inspection
Permit No.'NCG030554
Forsyth County
Dear Mr. Crafton:
Rlichael F- Easley, Governor
William G. Ross . r., Secretary
North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
This office is in receipt of Thermcraft's response to the Notice of Violation dated December 6,
2007. Although much progress has been made at the facility, the Stormwater Pollution
Prevention Plan is not sufficient in content.
Enclosed is a check list used by this office in reviewing these plans. Within the check list any
notation with a "x" is deemed insufficient and more information concerning these items is
required. A guidance document to assist you in developing Storrnwater Pollution Prevention
Plans for Stormwater Runoff at industrial Activities is available at the Division website.
Imp://h2o.enr.state. Inc.usfsit/Manuals_Fact sheets .htin
Please address these items and submit a revised plan to this office within 20 days of receipt.
This office is appreciative of your attention to this matter. If there are concerns, feel free to
contact Marc Stokes at [phone].
Sincerely,
Steve W. Tedder
Water Quality Regional Supervisor
Winston-Salem Region r
Division of %Pater Quality
NbrthCarolina
North Carolina Division of Water Quality 533 Waughtoµvn Street Winston-Salem, NC 27107 Phone [phone] Fax [phone]
Intemol: 121,-enr.siate.nc.us
An Equat OppwunitylAffirmative Action Employer— 50% RecycledlIN Fos', Consumar Paper

Thermcraft, Inc.
January 15, 2008
Pg. 2
Enclosure,
Cc: S WP-Centra] Files
WSRO
Keith Huff, City of W-S Stormwater Division
Mike Jones, Thermcraft, Inc.

S torniNvater nspe.t�
... rra..... re ... ■■.....■ ■■.r.....
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rermiL lNUEl ber- /24r G- o 1 0S, L ` fivjty __
Facility address
County
ti.Iailing Address
City State Zip
raciiity Contact
Title
Telephone Number -
Inspection Date Time
Entry Time Exit Tune
lspector(s)
Facility Representative(s)
Other Agencies.
Representatives

Part II Monitoring; Controls and .Limitations for Permitted Discharge
Section A: Storrttwater Pollution Prevention Plan.
L Site Plan —shalt provide a description of the physical facility and the.potential pollutant sources which maybe
-expected to contribute to contamination of storm water discharges. The site plan shall contain the following:
a. General .Location IMa -- USGS quadrangle ma) or equivalent sho-wing':
-Fatuity iocation in relation to transportation routes and surface waters.
The ague of the receiving �vatcr(s) to which the stormwater ogtfatt(s) disellarbcs: `
OR if the discharge is to a municipalfseparate storm sewer-ystem, the name of the municipality and the
ultimate receiving waters:_ Vy 5 !t " `� _
Accurate Iaiitude and longitude of the point(s) of discharge,
h. Narrative description of:
Storage practices (raw materials, fuels, intermediate products, byproducts. waste materials, finished
roducts
Loading and unloading activities.
Outdoor process areas (types of processes and equipment used).
Dust or particulate generating or control processes (crushing, mixing, burning, drying operations).
,� ✓ W iste disposal operations (solids, liquids, residuals/sludges).
c. Site niap drawls to scale with distance legend indicating:
Location of industrial activities (including storage of materials, disposal areas, process areas, loading and
X.
unloading areas
Drainage structures (outfalls, stormwater conveyance system, retention ponds, diversion structures,
ditches, culverts, swales, poru5 pavement, sediment traps, erosion control, storm, train inlets),
Drainage areas for each outfall (flow pattern).
j( Activities occurring in the drainage area.
✓ Building locations.
Existing BMP's and impervious surfaces,
x % of each drainage area that is impervious.
For each outfall; a narrative description of potential pollutants which could be expected to be present.
�%f �.oc,ition of exposed sihniticant materials.
Location of past spills and leaks.
Z+ueling stations.
Vehicle and equipment maintenance.
rJ,y Vehicle and equipment washing.
Loading and unloading areas.
Above ground liquid storage tanks.
jC Industrial waste management areas and outside manufacturing.
�/ Outside storage of raw materials, by-products or finished products-

f
I.
-List of si7nificant spills or leaks of pollutants that have occurred at the facilitb' duria , the 3
3rerious years:
List of significant spills or leaks (includes hazardous substances in excess of reportable quantities reported
to rL`attonal Response Center/Appendix H).
Corrective actions to mitigate spill impacts.
e. Certification that the storntwater outfalls have been evaluated for the presence of non- -
storimr -ater discharges.
tl[D�ischargq
r tification statement signed in accordance with fart [If, Standard Conditions, Section 13, Paragraph 5.
tested.(dye tracing, chemical analyses), for presence of non-stormwater discharge (process water,
rrle;c ur �rtent tis'ash water, Sanitar r waste, etc),Idisconncct or, npM I fur l�'t Di S perinit).
2. Stormivater 1VIanagernent elan.. The stormwater management plan shall contain a narrative description of
the materials management practices employed which control or minimize the exposure of significant materials to -
stormwnter, including structural and non-structural measures. The storrttwater management plan, at a minimum,
shall incorporate the followin
a. Teasibility'study. A review of the technical and economic feasibility of clianging the methods.ef operations
and/or storage practices. to eliminate or reduce exposure of materials and processes to stormwater. Wherever
tactical the perrnittee shall;
11reverrf exposure of all storage areas. (roof, enclose, drainage diversion, move materials inside, pallets)
im.aterial handling operations.
Manufacturing operations.
{ Fueling operations..
Loading and unloading areas_ (roof, berms, grading)
Outdoor process areas. ( street sweeping, structural devices)
�! Dust or particulate control.
Waste disposal practices. ([ids, root)
b. Secondary Containment .Schedule. for bulk storage of liquid materials, storage of Section 313 of Title III
of the SARA water priority chemicals (appendix I), or storage of hazardous substances to prevent leaks and spills
from contaminating stormwater runoff.
Secondary Containment - spill containment for the contents of the single largest tank within the
containment structure plus sufficient freeboard to allow for 25 yr, 24 hr storm event 15-6 in]).
Bulk storage of liquids (single above ground container with capacity greater- than 660 gallons or itilultiple
containers in close proximity with combined storage capacity greater than I,320 gallons). (ex. More than
24, 55 oallon drums)
'Manually activated valves w/ locks- If secondary containment devices are connected directly to srormwater
.ri conveyance systems, connection must be controlled by manually activated valves or similar devices [which shall
be secured with locking devices)
Re -cords documenting stormwater release from secondary containment (5 years) -- any stormwater that
accumulates in the containment area shall be at a minimum visually observed for color, foam, outfall staining,
visible sheens and dry weather flaw, prior to release of th.e accumulated stormwater. Accumulated stormwater
shall be, released if found to be uncontaminated by the material stored within the containment area. Records
documenting the individual making the observation, the description of the accumulated stormwater and the date
and time of the release shall be kept fora eriod of five years.
c. BNIP Summary. 11
A narrative description shall be provided of RNIP's to be considered such as, but not limited to, oil and grease
separation, debris conn-ol, vegetative filter strips, infiltration and stormwater detention or retention, where
Necessary. The need for structural BIvIP's shall be based on the assessment pfpotetitiai sources to contribute
significant quantities of pollutants to stormwater discharges and data collected through monitoring of stormwater
dischar,�es.

v
d. Inspection Schedule
Schedules for inspection of.stormwater conveyances, controls, and measures to be taken to limit or prevent
erosion associated with the stormwater systems.
J. Spill Prevention and Response Plan. The Spill Prevention and Response i]an (SPFtP) shall incorJ�e
an assessment orpotential Pollutant sources based on a materials inventory of the facility.
N13terials Inventory - - -
Facility personnel (or team) responsible for implementing the SPRP identified -
IV
A responsible person — shall be on site at all times during facility operations that might have the potemicontaminate storrnwawr runoff throw h s ills or ex• osureofmatprial associated ;oath the facility o eratio
SPIV, must be site stormwater specific. SPCC may be a component of SPRP.
%
Areas �vhcrc spills can occur and iheir discharge points,
�-
Spill response team
Spill response equipment and locations.
/
Spill containment, diversion, isolation, and cleanup.
Reporting procedures along with names and numbers.
Material handling and storage procedures.
/
Safety measures. .
4. Prewntative Maintenance and Good Housekeeping Program. A preventative maintenance program
shall be developed, The pro2ram shall document:
Schedules of inspections of stormwvater control systems.
Schedules of maintenance activities of stormwater control systerns. Il
�{
Schedules of inspections and maintenance of plant equipment and systems.
y
lnspection of material handling areas.
Regular cleaning schedules of material handling areas.
J. Einployee Training. Training schedules shall be developed and training provided at a minimum of an
annual basis on proper spill response and cleanup procedures and preventative maintenance activities for all
personnel involved in any of the facility's operations that have the potential to contaminate stormwater runoff-
j< Facility personnel (or team) responsible for implernentinR the training identified.
Training schedules developed.
/ ,annual training provided on spill response and cleanup.,
C. Re3 onsibIc Part' The SPPP shall identif "r s ecific ositiorr 5 res ronsit)IC for the overnII coordirratio3r �
P }� Y' P p �) i
development, implementation, and revision to the Plan. Responsibilities for all components of the Plarr shall be
documented and position assignments provided.T
jC I Position identified.
11 x 1 Responsibilities assigned and documented. 11
7. Platt Amendinent. The permittee shal€ amend the plan whenever there is a change in design, construction,
operation, or maintenance which has a significant effect on the potential for the discharge of pollutants to surface
waters.
;ram Plan is current. (design, operation, construction, maintenance)
„j SWPP reviewed and updated on an annual basis.

S.Facility inspections. Inspections of the fscility and ail stormwater systems shaff occur at am it] imum on a
semi-annual schedule; 5 years
Fail Inspection (September -November)
Spring Inspection (Aprii-June)
Mainienanee activities doeuinented_ (date and time of inspection, individual making the inspection, and a
_narrative.descri tion of the facility's stormw"ater control systems„ plant equi event and systems).
Inspection records incorporated into SPPP
9.-1niplementafiott. Implementation of the plan shall include documentation of all monitoring, measurements,
inspections and maintcnance Ictivities taken 10 iniplernent BIMP's associates, with the industrial activities, including
vehicle tnrintenance. activities. Such documentation shall be kept on -site for a period of five years and made
available to the Director or his authorized representative immediately upon re nest.
Inspections
Al-ninrenance activities
��r,tl
Documentation (S years)

%4
TEL: [phone] FAX: {336) 784-0634
jTherm@mf12 http:/Iwrww.thermeraftinc.com
P.O. Box 1203713950 Overdale Road i- --- - d
Winston-Salem. NC 27117. USA
Letter of Response to "Notice of Violation and Recommendation for
Enforcement Nov-2007-PC-0805"
1 RECEIVED
Received on 12-1 1 —0 I�7 N.C. DrpL of ENR
JAN 0 9 2008
Att: Marc Stokes and Steve Tedder wlnilon.Salem
Regional Ofiice
I have attached and outlined our corrective actions pertaining to the letter
received from the office of DWQ on 12/11/07 and the observations made by
Mr. Stokes and myself during his visit on December 5 2007.
I. Permit
* A site inspection of this facility indicated poor housekeeping and illicit
discharges which could cause stream standard violation.
After inspection, the water collecting in the catch
basins on the north side of the building was only
from the downspouts and all basins only have
one pipe connection for water to exit. Please
review photo of capped inlet.
All vents that would have the potential to
compromise the storm water stream have been
capped.
t

All vent pipes exiting the plant have been routed inside the plant to a
containment receptacle to prevent potential accidental discharge.
Barrier added to tank to prevent accidental
Spilling and house keeping procedures
added to prevent any possible
contamination of the area.
mur► 1.7_nR

II. Records/ Reports
• The facility had not completed the Qualitative Monitoring required
by the permit. The facility had not performed the Analytical
Monitoring as outlined within the permit.
• The storm water pollution prevention plan was incomplete.
1. The Qualitative Monitoring and recording of the data has been incorporated
into the facility inspection criteria which are administered by the Plant
Manager and/or the Engineering Manager.
2. Thermcraft has located a new lab to analyze the samples taken from the
three outfalls that is NC certified. This will be completed per the requirements
of the storm water permit for the year of 2008 and the years after. Note: the
2007 test was not tested by a North Carolina certified Lab for this particular
test method. This lab is N.0 certified but not for this test method.
3. Please review the SPPP plan for Thermcraft that is attached.
III. Facility Site Review
• At the time of the inspection poor housekeeping practices and illicit
discharges were evident in some areas. These practices could result
in water quality violations.
Housekeeping practices have been improved and all outfalls or any piping
from the building that could cause a potential discharge of materials from
the facility to the storm water system has been capped or removed.
Sincerely,
Mike J ne
Tz 1 _ 4

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Tl
aft
�dbject: Re: NOI from Thermcraft
From: Rose Pruitt <Rose. Pruitt@ncmai I net>
Date: Tue, 14 Nov 2006 08:10:16 -0500 -
To: Bethany Georgoulias <[e-mail]>
Sorry Bethany,
Looks like I left your name off the email and sent it to Corey instead. Please go ahead and issue.
-------- Original Message--------
Subject:Re: [Fwd: NOI from Thermcraft]
Date:Mon, 9 Oct 2006 21:31:55 -0400 (EDT)
From:Rose Pruitt <Rose.Pruitt cr,ncmai1.net>
Reply-To:Rose Pruitt <Rose.Pruitt ibncmail.net>
To: <Corey.Basingerpncmai].net>
. s
Thanks Bethany
This facility was discharging process wastewater without a permit, dumped used machine oil in the
gravel parking lot and put fresh gravel over it to hide it. Rumor has it that waste acid is being discharged
to a pit outside I haven't been able to find yet.
Go ahead and issue.
t
----Original Message---- $
From: Core .Basin er ncrnail.net
r
Date: Oct 9, 2006 2:05 PM
To: &quot;Rose Pruitt&quot;
• 4
Subj: [Fwd: NOI from Thermeraft]
Rose.
Please comment back to Bethany and cc: me. Thanks!

Re: NO[ ffom Thermcraft
Corey
-------- Original Message--------
Subject:NOT from Thermcraft
Date:Mon, 09 Oct 2006 13:18:21 -0400
From:Bethany Georgoulias.
To:Corey Basinger
Corey,
We've received an NOI from `Ihermcraft, Inc. in.Winston-Salem (they
manufacture industrial furnaces/ovens) for coverage under NCG03
industrial & commer. machinery. They discharge stormwater to a_ UT to
South Fork Muddy Creek (Class C). A copy of the NOI is attached.
r
Does the Winston-Salem Regional Office have any concerns about issuing
this facility a COC for this general permit? If we don't receive any .
objections, we'll issue the COC in 30 days.
Thanks,
BG
Bethany Georgoulias
Environmental Engineer
NC DENR DW4
Stormwater Permitting Unit
[phone], ext. 529

o��� W a r�RQc
G7 T'
r
Michael F. Easley, Governor
- William G. Ross Jr., Secretary
'ti',orth Carolina Department of Environment and Natural Resources
;:nit',.
November 9, 2006
Mr. Tom Crafton
Thermcraft, Inc.
3950 Overdale Road
Winston-Salem, NC 27107
Alan W, Klimek, P.E. Director
Division of Water Quality
Subject: General Pen -nit No. NCG030000
Thermcratt, Inc.
COG No. NCG030554
Forsyth County
Dear Mr. Crallon:
In accordance with your application for a discharge permit received on September 21,
2006, we are forwarding herewith the subject certificate of coverage to discharge under the
subject state — NPDES general permit. This permit is issued pursuant to the requirements of
North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North
Carolina and the US Environmental Protection Agency dated May 9, 1994 (or as subsequently
amended).
Please take notice that this certificate of coverage is not transferable except after notice to
the Division of Water Quality, The Division of Water Quality may require modification or
revocation and reissuance of the certificate of coverage.
This permit does not affect the legal requirements to obtain other permits which may be
required by the Division of Water Quality or permits required by the Division of Land
Resources, Coastal Area Management Act or any other federal or local governmental permit that
may be required.
If you have any questions concerning this permit, please contact Bethany Georgoulias at
telephone number [phone] ext. 529.
Sincerely,
ORIGINAL SIGNED BY
BRADLEY BENNETT
Alan W. Klimek, P.E.
cc: Winston-Salem Regional Office
Central Files
-Stormwater Permitting Unit Files
h osth Carol ina
,/17flflfCt7��lf
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet: h2o,ennstate.no,us 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer — 50% Recydedl10% Post Consumer Paper

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG030000
CERTIFICATE OF COVERAGE No. NCGO30554
STORMWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
Thermeraft, Inc.
is hereby authorized to discharge stormwater from a facility located at
3950 Overdale Road
Winston-Salem, NC
Forsyth County
to receiving waters designated as an unnamed tributary to South Fork Muddy Creek, a class C
water in the Yadkin -Pee Dee River Basin in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts I, II, III, IV, V, and VI of General Permit
No. NCG030000 as attached.
This certificate of coverage shall become effective November 9, 2006.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day November 9, 2006,
ORIGINAL SIGNED BY
BRADLEY BENNET i
for Alan W. Klimek, P.E., Director
Division of Water Quality
By the Authority of the Environmental Management Commission

LOCATION MAP:
Latitude:3G°2'19" NCG43U554 Facility
Longitude: 80°13'43" , }
Thermcraft Inc. County:' Forsyth Location
Stream Class: C
Receiving Stream: UT to South Fork Muddy Creek
Subbasin: 03-07-04 (Yadkin -Pee Dee River Basin) Ar.tt/. IFMILE 1:24,000

J
October 9, 2006
B. Georgoulias
Thermcraft
rev. il/9/06
Summary
This facility submitted a Notice of Intent to be covered under General Permit NCG030000 (Metal
Fabrication). The stormwater discharge drains to a UT to South Fork Muddy Creek (Class C), in the
Yadkin -Pee Dee River Basin. This facility is located in Forsyth County, handled by the Winston-
Salem Regional Office.
Application review
a) The permit application has been signed and sufficiently completed. Yes.
b) The SIC code accurately describes this facility's activities and is covered by this general
.permit. Yes, SIC 3567 (Industrial Process Furnaces and Ovens).
c) Does the facility propose anew or expanding wastewater discharge to ORW waters -(not
alIowed), or waters upstream of ORW (special limits may apply)? No.
d) Does this facility have other permits? No.
e) Hazardous Waste Activities? Yes --small quantity generator. Stores waste paint
related material inside a satellite storage cabinet.
f) DLR Mining Permit status requested: N/A
g) Regional Office input requested: 10/9/06 (WSRO contact R. Pruitt).
RO Approval received: No objection received within 30 days (see attached e-mail)
h) Is as ATC Required? No.
i) DEH Approval Required? No.
j) Application approved? Yes.
k) Special Notes: None
Phone logs
None.

r�biect: Re: NOI from Thermcraft
From: Corey Basinger <[e-mail]>
Date: Mon, 09 Oct 2006 14:06:21 -0400
To: Bethany Georgoulias<Bethany. Georgoul ias@ncmail. net>
I've forwarded this to Rose Pruitt for comment. She handles Forsyth County. She is at a training class
until Oct 16th.
Thanks!
Corey
Corey Basinger
[e-mail]
NC DENR Division of Water Quality
585 Waughtoirn Street
Winston-Salem, NC 27107
[phone]
Fax [phone]
On 10/9/2006 1:18 PM, Bethany Georgoulias wrote:
Corey,
We've received an NOI from Thermcraft, Inc. in Winston-Salem (they manufacture industrial
furnaces/ovens) for coverage under NCG03 - industrial & commer. machinery. They discharge
stormwater to a,UT to South Fork Muddy Creek (Class C). A copy of the NOI is attached.
Does the Winston-Salem Regional Office have any concerns about issuing this facility a COC for
this general permit? If we don't receive any objections, we'll issue the COC.in 30 days. ,
Thanks,
BG
Corey Basinger <Corey.Basinger@,NCmail.net>
WSRO
Il NC DENR
1102006 2:03 PM

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