INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT

We Protect Hoosiers and Our Environment.

Mitchell E. Daniels Jr. 100 North Senate Avenue

Governor Indianapolis, Indiana 46204

(317) 232-8603

Thomas W. Easterly Toll Free (800) 451-6027

Commissioner www.idem.IN.gov

Recycled Paper An Equal Opportunity Employer Please Recycle 

Minor Source Operating Permit Renewal

OFFICE OF AIR QUALITY

Freudenber-NOK General Partnership

1004 W. Washington Street 

Shelbyville, Indiana 46176

(herein known as the Permittee) is hereby authorized to operate subject to the conditions contained 

herein, the source described in Section A (Source Summary) of this permit. 

This permit is issued to the above mentioned company under the provisions of 326 IAC 2-1.1, 

326 IAC 2-6.1 and 40 CFR 52.780, with conditions listed on the attached pages.

Indiana statutes from IC 13 and rules from 326 IAC, quoted in conditions in this permit, are those 

applicable at the time the permit was issued. The issuance or possession of this permit shall not alone 

constitute a defense against an alleged violation of any law, regulation or standard, except for the 

requirement to obtain a MSOP under 326 IAC 2-6.1.

Operation Permit No.: M145-30019-00029

Issued by: 

Iryn Calilung, Section Chief

Permits Branch

Office of Air Quality

Issuance Date:

Expiration Date:

DRAFT
Freudenber-NOK General Partnership Page 2 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

TABLE OF CONTENTS

A. SOURCE SUMMARY............................................................................................................................... 4

A.1 General Information [326 IAC 2-5.1-3(c)][326 IAC 2-6.1-4(a)]

A.2 Emission Units and Pollution Control Equipment Summary

B. GENERAL CONDITIONS ........................................................................................................................ 6

B.1 Definitions [326 IAC 2-1.1-1]

B.2 Permit Term [326 IAC 2-6.1-7(a)][326 IAC 2-1.1-9.5][IC 13-15-3-6(a)]

B.3 Term of Conditions [326 IAC 2-1.1-9.5]

B.4 Enforceability

B.5 Severability

B.6 Property Rights or Exclusive Privilege

B.7 Duty to Provide Information

B.8 Annual Notification [326 IAC 2-6.1-5(a)(5)]

B.9 Preventive Maintenance Plan [326 IAC 1-6-3]

 B.10 Prior Permits Superseded [326 IAC 2-1.1-9.5]

B.11 Termination of Right to Operate [326 IAC 2-6.1-7(a)]

B.12 Permit Renewal [326 IAC 2-6.1-7]

B.13 Permit Amendment or Revision [326 IAC 2-5.1-3(e)(3)][326 IAC 2-6.1-6]

B.14 Source Modification Requirement

B.15 Inspection and Entry [326 IAC 2-5.1-3(e)(4)(B)][326 IAC 2-6.1-5(a)(4)][IC 13-14-2-2]

 [IC 13-17-3-2][IC 13-30-3-1]

B.16 Transfer of Ownership or Operational Control [326 IAC 2-6.1-6]

B.17 Annual Fee Payment [326 IAC 2-1.1-7]

B.18 Credible Evidence [326 IAC 1-1-6]

C. SOURCE OPERATION CONDITIONS..................................................................................................11

Emission Limitations and Standards [326 IAC 2-6.1-5(a)(1)]

C.1 Particulate Emission Limitations For Processes with Process Weight Rates 

Less Than One Hundred (100) Pounds per Hour [326 IAC 6-3-2]

C.2 Permit Revocation [326 IAC 2-1.1-9]

C.3 Opacity [326 IAC 5-1]

C.4 Open Burning [326 IAC 4-1] [IC 13-17-9]

C.5 Incineration [326 IAC 4-2] [326 IAC 9-1-2]

C.6 Fugitive Dust Emissions [326 IAC 6-4]

C.7 Asbestos Abatement Projects [326 IAC 14-10] [326 IAC 18] [40 CFR 61, Subpart M]

Testing Requirements [326 IAC 2-6.1-5(a)(2)]

C.8 Performance Testing [326 IAC 3-6]

Compliance Requirements [326 IAC 2-1.1-11]

C.9 Compliance Requirements [326 IAC 2-1.1-11]

Compliance Monitoring Requirements [326 IAC 2-6.1-5(a)(2)]

C.10 Compliance Monitoring [326 IAC 2-1.1-11]

C.11 Instrument Specifications [326 IAC 2-1.1-11]

Corrective Actions and Response Steps

C.12 Response to Excursions or Exceedances

C.13 Actions Related to Noncompliance Demonstrated by a Stack Test
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

Record Keeping and Reporting Requirements [326 IAC 2-6.1-5(a)(2)]

C.14 Malfunctions Report [326 IAC 1-6-2]

C.15 General Record Keeping Requirements [326 IAC 2-6.1-5]

C.16 General Reporting Requirements [326 IAC 2-1.1-11] [326 IAC 2-6.1-2] 

[IC 13-14-1-13]

D.1. EMISSIONS UNIT OPERATION CONDITIONS.................................................................................17

Emission Limitations and Standards [326 IAC 2-6.1-5(a)(1)]

D.1.1 Preventive Maintenance Plan [326 IAC 1-6-3]

D.2 EMISSIONS UNIT OPERATION CONDITIONS - Grinding and Cutting operations................. 18

Emission Limitations and Standards 

D.2.1 Particulate Matter (PM) [326 IAC 6-3-2]

Compliance Determination Requirements

D.2.2 Particulate Control

E.1 EMISSIONS UNIT OPERATION CONDITIONS................................................................................ 20 

E.1.1 General Provisions Relating to HAP [326 IAC 20-1-1] [40 CFR 63, Subpart A]

E.1.2 Chromium Electroplating and Anodizing NESHAP [326 IAC 20-8-1] [40 CFR 63, 

 Subpart N]

Annual Notification ......................................................................................................................................21

Malfunction Report ......................................................................................................................................22

Ongoing Compliance Status Report ...........................................................................................................24

Appendix A - NESHAP for Chromium Emissions from Hard and Decorative Chromium 

 Electroplating and Chromium Anodizing Tanks - Subpart N
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

SECTION A SOURCE SUMMARY

This permit is based on information requested by the Indiana Department of Environmental Management 

(IDEM), Office of Air Quality (OAQ). The information describing the source contained in conditions A.1 

and A.2 is descriptive information and does not constitute enforceable conditions. However, the 

Permittee should be aware that a physical change or a change in the method of operation that may 

render this descriptive information obsolete or inaccurate may trigger requirements for the Permittee to 

obtain additional permits or seek modification of this permit pursuant to 326 IAC 2, or change other 

applicable requirements presented in the permit application.

A.1 General Information [326 IAC 2-5.1-3(c)][326 IAC 2-6.1-4(a)]

The Permittee owns and operates a stationary hard chromium electroplating and tool and die for 

rubber manufacturing operation.

Source Address: 1004 W. Washington Street, Shelbyville, Indiana 46176

General Source Phone Number: 317-421-9280

SIC Code: 3471 and 3544

County Location: Shelby

Source Location Status: Attainment for all criteria pollutants 

Source Status: Minor Source Operating Permit Program 

Minor Source, under PSD and Emission Offset Rules

Minor Source, Section 112 of the Clean Air Act

Not 1 of 28 Source Categories

A.2 Emission Units and Pollution Control Equipment Summary

This stationary source consists of the following emission units and pollution control devices:

(a) One (1) hard chromium electroplating operation with a maximum cumulative potential 

rectifier capacity of 11,760,000 Ampere-hours (A-hr) per year consisting of:

(1) one (1) hard chromium electroplating tank, identified as T3, constructed in 1994, 

equipped with a composite mesh-pad system for control, having a rectifier with a 

maximum potential capacity of 1,200 amperes, exhausting to one (1) stack, 

identified as S1.

(2) Three (3) chrome rinse tanks, identified as T4, exhausting inside the building.

(3) One (1) alkaline rinse tank, identified as T1, exhausting inside the building.

(4) One (1) alkaline stripping tank, identified as T2, exhausting to the single mesh pad 

mist eliminator.

This hard chromium electroplating operation is considered an affected source under 40 

CFR 63, Subpart N. 

(b) Welding operation consisting of one (1) metal inert gas (MIG) station, with a maximum 

wire consumption rate of 0.0023 pounds of wire per hour (lb wire/hr), one (1) tungsten 

inert gas (TIG) station, with a maximum wire consumption rate of 0.0023 lb wire/hr, and 

one (1) stick welding station, with a maximum wire consumption rate of 0.0057 lb wire/hr.

(c) Three (3) pneumatic blasters, identified as Gritblaster 23A, Gritblaster 23B and Gritblaster 

23C, with maximum capacities of 75, 75, and 120 pounds per hour, respectively, using 

one Torit dust collector for all three blasters for control, and exhausting inside the building.

(d) Various machining equipment including:
Freudenber-NOK General Partnership Page 5 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

(1) Surface grinders, identified as Surface Grinder No. 4 and Surface Grinders TTD 

216, 220, 229, 230, 235, 236, 237, 261 and 266.

(2) Pedestal grinders, identified as Pedestal Grinder 7A, 7B, 43, 43A and 43D.

(3) Fiberboard cutting.

(e) Three (3) mills for metal finishing, identified as Mill Nos. 29, 59 and 60 using a total 

maximum of 165 gallons per year of non VOC liquid coolant.

(f) Five (5) Okuma lathe for metal finishing, identified as Lathe Nos. 28, 29, 45, 50, 62 and 

65, using liquid coolant.

(g) Natural gas-fired heating units with a total capacity less than 10 MMBtu/hr.

(1) Space Heaters

(h) One (1) parts washer with a maximum capacity of five gallons, using mineral spirits, with 

a maximum usage capacity of 60 gallons per year.
Freudenber-NOK General Partnership Page 6 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

SECTION B GENERAL CONDITIONS

B.1 Definitions [326 IAC 2-1.1-1]

Terms in this permit shall have the definition assigned to such terms in the referenced regulation. 

In the absence of definitions in the referenced regulation, the applicable definitions found in the 

statutes or regulations (IC 13-11, 326 IAC 1-2 and 326 IAC 2-1.1-1) shall prevail. 

B.2 Permit Term [326 IAC 2-6.1-7(a)][326 IAC 2-1.1-9.5][IC 13-15-3-6(a)]

(a) This permit, M145-30019-00029, is issued for a fixed term of ten (10) years from the 

issuance date of this permit, as determined in accordance with IC 4-21.5-3-5(f) and 

IC 13-15-5-3. Subsequent revisions, modifications, or amendments of this permit do not 

affect the expiration date of this permit.

(b) If IDEM, OAQ, upon receiving a timely and complete renewal permit application, fails to 

issue or deny the permit renewal prior to the expiration date of this permit, this existing 

permit shall not expire and all terms and conditions shall continue in effect, until the

renewal permit has been issued or denied.

B.3 Term of Conditions [326 IAC 2-1.1-9.5]

Notwithstanding the permit term of a permit to construct, a permit to operate, or a permit 

modification, any condition established in a permit issued pursuant to a permitting program 

approved in the state implementation plan shall remain in effect until:

(a) the condition is modified in a subsequent permit action pursuant to Title I of the Clean Air 

Act; or

(b) the emission unit to which the condition pertains permanently ceases operation.

B.4 Enforceability

Unless otherwise stated, all terms and conditions in this permit, including any provisions designed 

to limit the source's potential to emit, are enforceable by IDEM, the United States Environmental 

Protection Agency (U.S. EPA) and by citizens in accordance with the Clean Air Act. 

B.5 Severability

The provisions of this permit are severable; a determination that any portion of this permit is 

invalid shall not affect the validity of the remainder of the permit.

B.6 Property Rights or Exclusive Privilege

This permit does not convey any property rights of any sort or any exclusive privilege.

B.7 Duty to Provide Information

(a) The Permittee shall furnish to IDEM, OAQ, within a reasonable time, any information that 

IDEM, OAQ may request in writing to determine whether cause exists for modifying, 

revoking and reissuing, or terminating this permit, or to determine compliance with this 

permit. Upon request, the Permittee shall also furnish to IDEM, OAQ copies of records 

required to be kept by this permit.

(b) For information furnished by the Permittee to IDEM, OAQ, the Permittee may include a 

claim of confidentiality in accordance with 326 IAC 17.1. When furnishing copies of 

requested records directly to U. S. EPA, the Permittee may assert a claim of 

confidentiality in accordance with 40 CFR 2, Subpart B.
Freudenber-NOK General Partnership Page 7 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

B.8 Annual Notification [326 IAC 2-6.1-5(a)(5)]

(a) An annual notification shall be submitted by an authorized individual to the Office of Air 

Quality stating whether or not the source is in operation and in compliance with the terms 

and conditions contained in this permit. 

(b) The annual notice shall be submitted in the format attached no later than March 1 of each 

year to:

Indiana Department of Environmental Management

Compliance and Enforcement Branch, Office of Air Quality

100 North Senate Avenue

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

(c) The notification shall be considered timely if the date postmarked on the envelope or 

certified mail receipt, or affixed by the shipper on the private shipping receipt, is on or 

before the date it is due. If the document is submitted by any other means, it shall be 

considered timely if received by IDEM, OAQ on or before the date it is due.

B.9 Preventive Maintenance Plan [326 IAC 1-6-3]

(a) A Preventive Maintenance Plan meets the requirements of 326 IAC 1-6-3 if it includes, at 

a minimum:

(1) Identification of the individual(s) responsible for inspecting, maintaining, and 

repairing emission control devices;

(2) A description of the items or conditions that will be inspected and the inspection 

schedule for said items or conditions; and

(3) Identification and quantification of the replacement parts that will be maintained 

in inventory for quick replacement.

The Permittee shall implement the PMPs.

(b) If required by specific condition(s) in Section D of this permit where no PMP was 

previously required, the Permittee shall prepare and maintain Preventive Maintenance 

Plans (PMPs) no later than ninety (90) days after issuance of this permit or ninety (90) 

days after initial start-up, whichever is later, including the following information on each 

facility:

(1) Identification of the individual(s) responsible for inspecting, maintaining, and 

repairing emission control devices;

(2) A description of the items or conditions that will be inspected and the inspection 

schedule for said items or conditions; and

(3) Identification and quantification of the replacement parts that will be maintained 

in inventory for quick replacement.

If, due to circumstances beyond the Permittee’s control, the PMPs cannot be prepared 

and maintained within the above time frame, the Permittee may extend the date an 

additional ninety (90) days provided the Permittee notifies:

Indiana Department of Environmental Management

Compliance and Enforcement Branch, Office of Air Quality
Freudenber-NOK General Partnership Page 8 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

100 North Senate Avenue

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

The Permittee shall implement the PMPs.

(c) A copy of the PMPs shall be submitted to IDEM, OAQ upon request and within a 

reasonable time, and shall be subject to review and approval by IDEM, OAQ. IDEM, 

OAQ may require the Permittee to revise its PMPs whenever lack of proper maintenance 

causes or is the primary contributor to an exceedance of any limitation on emissions.

(d) To the extent the Permittee is required by 40 CFR Part 60/63 to have an Operation 

Maintenance, and Monitoring (OMM) Plan for a unit, such Plan is deemed to satisfy the 

PMP requirements of 326 IAC 1-6-3 for that unit.

B.10 Prior Permits Superseded [326 IAC 2-1.1-9.5]

(a) All terms and conditions of permits established prior to M145-30019-00029 and issued 

pursuant to permitting programs approved into the state implementation plan have been 

either:

(1) incorporated as originally stated,

(2) revised, or

(3) deleted.

(b) All previous registrations and permits are superseded by this permit.

B.11 Termination of Right to Operate [326 IAC 2-6.1-7(a)]

The Permittee's right to operate this source terminates with the expiration of this permit unless a 

timely and complete renewal application is submitted at least one hundred twenty (120) days prior 

to the date of expiration of the source’s existing permit, consistent with 326 IAC 2-6.1-7.

B.12 Permit Renewal [326 IAC 2-6.1-7]

(a) The application for renewal shall be submitted using the application form or forms 

prescribed by IDEM, OAQ and shall include the information specified in 326 IAC 2-6.1-7. 

Such information shall be included in the application for each emission unit at this source.

The renewal application does require an affirmation that the statements in the application 

are true and complete by an "authorized individual" as defined by 326 IAC 2-1.1-1(1).

Request for renewal shall be submitted to:

Indiana Department of Environmental Management

Permit Administration and Support Section, Office of Air Quality

100 North Senate Avenue

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

(b) A timely renewal application is one that is:

(1) Submitted at least one hundred twenty (120) days prior to the date of the 

expiration of this permit; and
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

(2) If the date postmarked on the envelope or certified mail receipt, or affixed by the 

shipper on the private shipping receipt, is on or before the date it is due. If the 

document is submitted by any other means, it shall be considered timely if 

received by IDEM, OAQ on or before the date it is due.

(c) If the Permittee submits a timely and complete application for renewal of this permit, the 

source’s failure to have a permit is not a violation of 326 IAC 2-6.1 until IDEM, OAQ takes 

final action on the renewal application, except that this protection shall cease to apply if, 

subsequent to the completeness determination, the Permittee fails to submit by the 

deadline specified, pursuant to 326 IAC 2-6.1-4(b), in writing by IDEM, OAQ any 

additional information identified as being needed to process the application.

B.13 Permit Amendment or Revision [326 IAC 2-5.1-3(e)(3)][326 IAC 2-6.1-6]

(a) Permit amendments and revisions are governed by the requirements of 326 IAC 2-6.1-6

whenever the Permittee seeks to amend or modify this permit.

(b) Any application requesting an amendment or modification of this permit shall be 

submitted to:

Indiana Department of Environmental Management

Permit Administration and Support Section, Office of Air Quality

100 North Senate Avenue

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

(c) The Permittee shall notify the OAQ no later than thirty (30) calendar days of 

implementing a notice-only change. [326 IAC 2-6.1-6(d)]

B.14 Source Modification Requirement

A modification, construction, or reconstruction is governed by the requirements of 326 IAC 2.

B.15 Inspection and Entry 

[326 IAC 2-5.1-3(e)(4)(B)][326 IAC 2-6.1-5(a)(4)][IC 13-14-2-2][IC 13-17-3-2][IC 13-30-3-1]

Upon presentation of proper identification cards, credentials, and other documents as may be 

required by law, and subject to the Permittee’s right under all applicable laws and regulations to 

assert that the information collected by the agency is confidential and entitled to be treated as 

such, the Permittee shall allow IDEM, OAQ, U.S. EPA, or an authorized representative to perform 

the following:

(a) Enter upon the Permittee's premises where a permitted source is located, or emissions 

related activity is conducted, or where records must be kept under the conditions of this 

permit;

(b) As authorized by the Clean Air Act, IC 13-14-2-2, IC 13-17-3-2, and IC 13-30-3-1, have 

access to and copy, at reasonable times, any records that must be kept under the 

conditions of this permit;

(c) As authorized by the Clean Air Act, IC 13-14-2-2, IC 13-17-3-2, and IC 13-30-3-1, 

inspect, at reasonable times, any facilities, equipment (including monitoring and air 

pollution control equipment), practices, or operations regulated or required under this 

permit; 
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

(d) As authorized by the Clean Air Act, IC 13-14-2-2, IC 13-17-3-2, and IC 13-30-3-1, sample 

or monitor, at reasonable times, substances or parameters for the purpose of assuring 

compliance with this permit or applicable requirements; and

(e) As authorized by the Clean Air Act, IC 13-14-2-2, IC 13-17-3-2, and IC 13-30-3-1, utilize 

any photographic, recording, testing, monitoring, or other equipment for the purpose of 

assuring compliance with this permit or applicable requirements.

B.16 Transfer of Ownership or Operational Control [326 IAC 2-6.1-6]

(a) The Permittee must comply with the requirements of 326 IAC 2-6.1-6 whenever the 

Permittee seeks to change the ownership or operational control of the source and no 

other change in the permit is necessary.

(b) Any application requesting a change in the ownership or operational control of the source 

shall contain a written agreement containing a specific date for transfer of permit 

responsibility, coverage and liability between the current and new Permittee. The 

application shall be submitted to:

Indiana Department of Environmental Management

Permit Administration and Support Section, Office of Air Quality

100 North Senate Avenue

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

The application which shall be submitted by the Permittee does require an affirmation 

that the statements in the application are true and complete by an "authorized individual"

as defined by 326 IAC 2-1.1-1(1).

(c) The Permittee may implement notice-only changes addressed in the request for a noticeonly change immediately upon submittal of the request. [326 IAC 2-6.1-6(d)(3)]

B.17 Annual Fee Payment [326 IAC 2-1.1-7]

(a) The Permittee shall pay annual fees due no later than thirty (30) calendar days of receipt 

of a bill from IDEM, OAQ,.

(b) The Permittee may call the following telephone numbers: 1-800-451-6027 or 

317-233-4230 (ask for OAQ, Billing, Licensing, and Training Section), to determine the 

appropriate permit fee. 

B.18 Credible Evidence [326 IAC 1-1-6]

For the purpose of submitting compliance certifications or establishing whether or not the 

Permittee has violated or is in violation of any condition of this permit, nothing in this permit shall 

preclude the use, including the exclusive use, of any credible evidence or information relevant to 

whether the Permittee would have been in compliance with the condition of this permit if the 

appropriate performance or compliance test or procedure had been performed.
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

SECTION C SOURCE OPERATION CONDITIONS

Entire Source

Emission Limitations and Standards [326 IAC 2-6.1-5(a)(1)]

C.1 Particulate Emission Limitations For Processes with Process Weight Rates Less Than One 

Hundred (100) Pounds per Hour [326 IAC 6-3-2]

Pursuant to 326 IAC 6-3-2(e)(2), particulate emissions from any process not exempt under 

326 IAC 6-3-1(b) or (c) which has a maximum process weight rate less than 100 pounds per hour 

and the methods in 326 IAC 6-3-2(b) through (d) do not apply shall not exceed 0.551 pounds per 

hour.

C.2 Permit Revocation [326 IAC 2-1.1-9]

Pursuant to 326 IAC 2-1.1-9 (Revocation of Permits), this permit to operate may be revoked for 

any of the following causes:

(a) Violation of any conditions of this permit.

(b) Failure to disclose all the relevant facts, or misrepresentation in obtaining this permit.

(c) Changes in regulatory requirements that mandate either a temporary or permanent 

reduction of discharge of contaminants. However, the amendment of appropriate 

sections of this permit shall not require revocation of this permit.

(d) Noncompliance with orders issued pursuant to 326 IAC 1-5 (Episode Alert Levels) to 

reduce emissions during an air pollution episode.

(e) For any cause which establishes in the judgment of IDEM, the fact that continuance of 

this permit is not consistent with purposes of this article.

C.3 Opacity [326 IAC 5-1] 

Pursuant to 326 IAC 5-1-2 (Opacity Limitations), except as provided in 326 IAC 5-1-1 

(Applicability) and 326 IAC 5-1-3 (Temporary Alternative Opacity Limitations), opacity shall meet 

the following, unless otherwise stated in this permit:

(a) Opacity shall not exceed an average of forty percent (40%) in any one (1) six (6) minute 

averaging period as determined in 326 IAC 5-1-4. 

(b) Opacity shall not exceed sixty percent (60%) for more than a cumulative total of fifteen 

(15) minutes (sixty (60) readings as measured according to 40 CFR 60, Appendix A, 

Method 9 or fifteen (15) one (1) minute nonoverlapping integrated averages for a 

continuous opacity monitor) in a six (6) hour period.

C.4 Open Burning [326 IAC 4-1] [IC 13-17-9] 

The Permittee shall not open burn any material except as provided in 326 IAC 4-1-3, 

326 IAC 4-1-4 or 326 IAC 4-1-6. The previous sentence notwithstanding, the Permittee may 

open burn in accordance with an open burning approval issued by the Commissioner under 

326 IAC 4-1-4.1.

C.5 Incineration [326 IAC 4-2] [326 IAC 9-1-2] 

The Permittee shall not operate an incinerator except as provided in 326 IAC 4-2 or in this permit. 

The Permittee shall not operate a refuse incinerator or refuse burning equipment except as 

provided in 326 IAC 9-1-2 or in this permit.
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

C.6 Fugitive Dust Emissions [326 IAC 6-4]

The Permittee shall not allow fugitive dust to escape beyond the property line or boundaries of 

the property, right-of-way, or easement on which the source is located, in a manner that would 

violate 326 IAC 6-4 (Fugitive Dust Emissions). 

C.7 Asbestos Abatement Projects [326 IAC 14-10] [326 IAC 18] [40 CFR 61, Subpart M]

(a) Notification requirements apply to each owner or operator. If the combined amount of 

regulated asbestos containing material (RACM) to be stripped, removed or disturbed is at 

least 260 linear feet on pipes or 160 square feet on other facility components, or at least 

thirty-five (35) cubic feet on all facility components, then the notification requirements of 

326 IAC 14-10-3 are mandatory. All demolition projects require notification whether or 

not asbestos is present.

(b) The Permittee shall ensure that a written notification is sent on a form provided by the 

Commissioner at least ten (10) working days before asbestos stripping or removal work 

or before demolition begins, per 326 IAC 14-10-3, and shall update such notice as 

necessary, including, but not limited to the following:

(1) When the amount of affected asbestos containing material increases or 

decreases by at least twenty percent (20%); or

(2) If there is a change in the following:

(A) Asbestos removal or demolition start date;

(B) Removal or demolition contractor; or

(C) Waste disposal site.

(c) The Permittee shall ensure that the notice is postmarked or delivered according to the 

guidelines set forth in 326 IAC 14-10-3(2).

(d) The notice to be submitted shall include the information enumerated in 

326 IAC 14-10-3(3).

All required notifications shall be submitted to:

Indiana Department of Environmental Management

Compliance and Enforcement Branch, Office of Air Quality

100 North Senate Avenue

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

The notice shall include a signed certification from the owner or operator that the 

information provided in this notification is correct and that only Indiana licensed workers 

and project supervisors will be used to implement the asbestos removal project.

(e) Procedures for Asbestos Emission Control

The Permittee shall comply with the applicable emission control procedures in 

326 IAC 14-10-4 and 40 CFR 61.145(c). Per 326 IAC 14-10-1, emission control 

requirements are applicable for any removal or disturbance of RACM greater than three 

(3) linear feet on pipes or three (3) square feet on any other facility components or a total 

of at least 0.75 cubic feet on all facility components.
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

(f) Demolition and Renovation

The Permittee shall thoroughly inspect the affected facility or part of the facility where the 

demolition or renovation will occur for the presence of asbestos pursuant to 

40 CFR 61.145(a).

(g) Indiana Licensed Asbestos Inspector

The Permittee shall comply with 326 IAC 14-10-1(a) that requires the owner or operator, 

prior to a renovation/demolition, to use an Indiana Licensed Asbestos Inspector to 

thoroughly inspect the affected portion of the facility for the presence of asbestos. The 

requirement to use an Indiana Licensed Asbestos inspector is not federally enforceable.

Testing Requirements [326 IAC 2-6.1-5(a)(2)]

C.8 Performance Testing [326 IAC 3-6]

(a) For performance testing required by this permit, a test protocol, except as provided 

elsewhere in this permit, shall be submitted to:

Indiana Department of Environmental Management

Compliance and Enforcement Branch, Office of Air Quality

100 North Senate Avenue

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

no later than thirty-five (35) days prior to the intended test date.

(b) The Permittee shall notify IDEM, OAQ of the actual test date at least fourteen (14) days 

prior to the actual test date.

(c) Pursuant to 326 IAC 3-6-4(b), all test reports must be received by IDEM, OAQ not later 

than forty-five (45) days after the completion of the testing. An extension may be granted 

by IDEM, OAQ if the Permittee submits to IDEM, OAQ a reasonable written explanation 

not later than five (5) days prior to the end of the initial forty-five (45) day period.

Compliance Requirements [326 IAC 2-1.1-11]

C.9 Compliance Requirements [326 IAC 2-1.1-11]

The commissioner may require stack testing, monitoring, or reporting at any time to assure 

compliance with all applicable requirements by issuing an order under 326 IAC 2-1.1-11. Any 

monitoring or testing shall be performed in accordance with 326 IAC 3 or other methods approved 

by the commissioner or the U. S. EPA.

Compliance Monitoring Requirements [326 IAC 2-6.1-5(a)(2)]

C.10 Compliance Monitoring [326 IAC 2-1.1-11]

Compliance with applicable requirements shall be documented as required by this permit. The 

Permittee shall be responsible for installing any necessary equipment and initiating any required 

monitoring related to that equipment. All monitoring and record keeping requirements not already 

legally required shall be implemented when operation begins.

C.11 Instrument Specifications [326 IAC 2-1.1-11]

(a) When required by any condition of this permit, an analog instrument used to measure a 

parameter related to the operation of an air pollution control device shall have a scale 
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

such that the expected maximum reading for the normal range shall be no less than 

twenty percent (20%) of full scale.

(b) The Permittee may request that the IDEM, OAQ approve the use of an instrument that 

does not meet the above specifications provided the Permittee can demonstrate that an 

alternative instrument specification will adequately ensure compliance with permit 

conditions requiring the measurement of the parameters.

Corrective Actions and Response Steps 

C.12 Response to Excursions or Exceedances

Upon detecting an excursion where a response step is required by the D Section or an 

exceedance of a limitation in this permit:

(a) The Permittee shall take reasonable response steps to restore operation of the emissions 

unit (including any control device and associated capture system) to its normal or usual 

manner of operation as expeditiously as practicable in accordance with good air pollution 

control practices for minimizing excess emissions.

(b) The response shall include minimizing the period of any startup, shutdown or 

malfunction. The response may include, but is not limited to, the following:

(1) initial inspection and evaluation;

(2) recording that operations returned or are returning to normal without operator 

action (such as through response by a computerized distribution control system); 

or

(3) any necessary follow-up actions to return operation to normal or usual manner of 

operation. 

(c) A determination of whether the Permittee has used acceptable procedures in response to 

an excursion or exceedance will be based on information available, which may include, 

but is not limited to, the following:

(1) monitoring results;

(2) review of operation and maintenance procedures and records; and/or

(3) inspection of the control device, associated capture system, and the process.

(d) Failure to take reasonable response steps shall be considered a deviation from the 

permit.

(e) The Permittee shall record the reasonable response steps taken.

C.13 Actions Related to Noncompliance Demonstrated by a Stack Test

(a) When the results of a stack test performed in conformance with Section C - Performance 

Testing, of this permit exceed the level specified in any condition of this permit, the 

Permittee shall submit a description of its response actions to IDEM, OAQ, no later than 

seventy-five (75) days after the date of the test.

(b) A retest to demonstrate compliance shall be performed no later than one hundred eighty 

(180) days after the date of the test. Should the Permittee demonstrate to IDEM, OAQ 
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Permit Reviewer: Janet Mobley DRAFT

that retesting in one hundred eighty (180) days is not practicable, IDEM, OAQ may 

extend the retesting deadline

(c) IDEM, OAQ reserves the authority to take any actions allowed under law in response to 

noncompliant stack tests.

Record Keeping and Reporting Requirements [326 IAC 2-6.1-5(a)(2)]

C.14 Malfunctions Report [326 IAC 1-6-2]

Pursuant to 326 IAC 1-6-2 (Records; Notice of Malfunction):

(a) A record of all malfunctions, including startups or shutdowns of any facility or emission 

control equipment, which result in violations of applicable air pollution control regulations 

or applicable emission limitations shall be kept and retained for a period of three (3) years 

and shall be made available to the Indiana Department of Environmental Management 

(IDEM), Office of Air Quality (OAQ) or appointed representative upon request. 

(b) When a malfunction of any facility or emission control equipment occurs which lasts more 

than one (1) hour, said condition shall be reported to OAQ, using the Malfunction Report 

Forms (2 pages). Notification shall be made by telephone or facsimile, as soon as 

practicable, but in no event later than four (4) daytime business hours after the beginning 

of said occurrence. 

(c) Failure to report a malfunction of any emission control equipment shall constitute a 

violation of 326 IAC 1-6, and any other applicable rules. Information of the scope and 

expected duration of the malfunction shall be provided, including the items specified in 

326 IAC 1-6-2(a)(1) through (6).

(d) Malfunction is defined as any sudden, unavoidable failure of any air pollution control 

equipment, process, or combustion or process equipment to operate in a normal and 

usual manner. [326 IAC 1-2-39]

C.15 General Record Keeping Requirements [326 IAC 2-6.1-5]

(a) Records of all required monitoring data, reports and support information required by this 

permit shall be retained for a period of at least five (5) years from the date of monitoring 

sample, measurement, report, or application. These records shall be physically present 

or electronically accessible at the source location for a minimum of three (3) years. The 

records may be stored elsewhere for the remaining two (2) years as long as they are 

available upon request. If the Commissioner makes a request for records to the 

Permittee, the Permittee shall furnish the records to the Commissioner within a 

reasonable time.

(b) Unless otherwise specified in this permit, for all record keeping requirements not already 

legally required, the Permittee shall be allowed up to ninety (90) days from the date of 

permit issuance or the date of initial start-up, whichever is later, to begin such record 

keeping.

C.16 General Reporting Requirements [326 IAC 2-1.1-11] [326 IAC 2-6.1-2] [IC 13-14-1-13]

(a) Reports required by conditions in Section D of this permit shall be submitted to:

Indiana Department of Environmental Management

Compliance and Enforcement Branch, Office of Air Quality

100 North Senate Avenue
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Permit Reviewer: Janet Mobley DRAFT

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

(b) Unless otherwise specified in this permit, any notice, report, or other submission required 

by this permit shall be considered timely if the date postmarked on the envelope or 

certified mail receipt, or affixed by the shipper on the private shipping receipt, is on or 

before the date it is due. If the document is submitted by any other means, it shall be 

considered timely if received by IDEM, OAQ on or before the date it is due.

(c) Reporting periods are based on calendar years, unless otherwise specified in this permit. 

For the purpose of this permit “calendar year” means the twelve (12) month period from 

January 1 to December 31 inclusive.
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

SECTION D.1 EMISSIONS UNIT OPERATION CONDITIONS

Emissions Unit Description:

(a) One (1) hard chromium electroplating operation with a maximum cumulative potential rectifier 

capacity of 11,760,000 Ampere-hours (A-hr) per year consisting of:

(1) one (1) hard chromium electroplating tank, identified as T3, constructed in 1994, 

equipped with a composite mesh-pad system for control, having a rectifier with a 

maximum potential capacity of 1,200 amperes, exhausting to one (1) stack, identified 

as S1.

(2) Three (3) chrome rinse tanks, identified as T4, exhausting inside the building.

(3) One (1) alkaline rinse tank, identified as T1, exhausting inside the building.

(4) One (1) alkaline stripping tank, identified as T2, exhausting to the single mesh pad 

 mist eliminator.

This hard chromium electroplating operation is considered an affected source under 

40 CFR 63, Subpart N. 

(The information describing the process contained in this emissions unit description box is descriptive 

information and does not constitute enforceable conditions.)

Emission Limitations and Standards [326 IAC 2-6.1-5(a)(1)]

D.1.1 Preventive Maintenance Plan [326 IAC 1-6-3]

A Preventive Maintenance Plan is required for this facility and its control device. Section BPreventative Maintenance Plan contains the Permittee's obligation with regard to the preventative 

maintenance plan required by this condition.
Freudenber-NOK General Partnership Page 18 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

SECTION D.2 EMISSIONS UNIT OPERATION CONDITIONS

Emissions Unit Description:

(b) Welding operation consisting of one (1) metal inert gas (MIG) station, with a maximum wire 

consumption rate of 0.0023 pounds of wire per hour (lb wire/hr), one (1) tungsten inert gas (TIG) 

station, with a maximum wire consumption rate of 0.0023 lb wire/hr, and one (1) stick welding 

station, with a maximum wire consumption rate of 0.0057 lb wire/hr.

(c) Three (3) pneumatic blasters, identified as Gritblaster 23A, Gritblaster 23B and Gritblaster 23C,

with maximum capacities of 75, 75, and 120 pounds per hour, respectively, using one Torit dust 

collector for all three blasters as control, and exhausting inside the building.

(d) Various machining equipment including:

(1) Surface grinders identified as Surface Grinder No. 4, TTD 216, 220, 229, 230, 235, 236, 

237, 261and 266.

(2) Pedestal grinders, identified as Pedestal Grinder 7A, 7B, 43, 43A and 43B.

(3) Fiberboard cutting.

(The information describing the process contained in this facility description box is descriptive information 

and does not constitute enforceable conditions.)

Emission Limitations and Standards 

D.2.1 Particulate [326 IAC 6-3-2]

(a) Pursuant to 326 IAC 6-3-2(c), the allowable particulate matter emissions rate from the 

welding operation which has a maximum process weight rate less than 100 pounds per 

hour shall not exceed 0.551 pounds per hour.

(b) Pursuant to 326 IAC 6-3-2 (Particulate Emission Limitations for Manufacturing 

Processes), the allowable particulate emission rate from the two (2) pneumatic blasters, 

identified as 23A and 23B shall each not exceed 0.45 pounds per hour when operating at 

a process weight rate of 75 pounds per hour, each.

The pounds per hour limitation was calculated with the following equation:

Interpolation of the data for the process weight rate up to 60,000 pounds per hour shall 

be accomplished by use of the equation:

E = 4.10 P0.67 where E = rate of emission in pounds per hour;

and P = process weight rate in tons per hour

(c) Pursuant to 326 IAC 6-3-2 (Particulate Emission Limitations for Manufacturing 

Processes), the allowable particulate emission rate from the one (1) pneumatic blaster, 

identified as 23C shall not exceed 0.62 pounds per hour when operating at a process 

weight rate of 120 pounds per hour.

The pounds per hour limitation was calculated with the following equation:

Interpolation of the data for the process weight rate up to 60,000 pounds per hour shall 
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

be accomplished by use of the equation:

E = 4.10 P0.67 where E = rate of emission in pounds per hour;

and P = process weight rate in tons per hour

(d) Pursuant to 326 IAC 6-3-2 (Particulate Emission Limitations for Manufacturing 

Processes), the allowable particulate emission rate from the grinding and cutting 

operations shall not exceed the pounds per hour limitation calculated with the following 

equation:

Interpolation of the data for the process weight rate up to 60,000 pounds per hour shall 

be accomplished by use of the equation:

E = 4.10 P0.67 where E = rate of emission in pounds per hour;

and P = process weight rate in tons per hour

Compliance Determination Requirements

D.2.2 Particulate Control

In order to comply with condition D.2.1, the baghouse for particulate control shall be in operation 

and control emissions from the pneumatic blasting operation at all times that the facility is in 

operation.
Freudenber-NOK General Partnership Page 20 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

SECTION E.1 EMISSIONS UNIT OPERATION CONDITIONS

Emissions Unit Operation: Hard Chromium Electroplating Operation

(a) One (1) Hard Chromium Electroplating Operation with a maximum cumulative potential rectifier 

capacity of 11,760,000 Ampere-hours (A-hr) per year consisting of:

(1) one (1) hard chromium electroplating tank, identified as T3, equipped with a 

 composite mesh-pad system for control, having a rectifier with a maximum potential 

capacity of 1,200 amperes, exhausting to one (1) stack, identified as S1.

(2) Three (3) chrome rinse tanks, identified as T4, exhausting inside the building.

This hard chromium electroplating operation is considered an affected source under 

40 CFR 63, Subpart N. 

(The information describing the process contained in this emissions unit description box is 

descriptive information and does not constitute enforceable conditions.)

E.1.1 General Provisions Relating to NESHAP [326 IAC 20-1-1] [40 CFR 63, Subpart A]

(a) Pursuant to 40 CFR 63, the Permittee shall comply with the provisions of 40 CFR Part 

60, Subpart A - General Provisions, which are incorporated by reference as 326 IAC 20-

1-1, except as otherwise specified in 40 CFR 63, Subpart N. 

(b) Pursuant to 40 CFR 60.10, the Permittee shall submit all required notifications and 

reports to:

Indiana Department of Environmental Management

Compliance and Enforcement Branch, Office of Air Quality

100 North Senate Avenue

MC 61-53 IGCN 1003

Indianapolis, Indiana 46204-2251

E.2.2 National Emission Standards (NESHAP) for Chromium Emissions from Hard and Decorative 

Chromium Electroplating and Chromium Anodizing Tanks [40 CFR Part 63, Subpart N] [326 IAC 

20-8-1]

The Permittee shall comply with the following provisions of 40 CFR Part 63, Subpart N (included 

as Attachment A of this permit), which are incorporated by reference as 326 IAC 20-8-1, except 

as otherwise specified in 40 CFR Part 63, Subpart N:

(1) 63.340 

(2) 63.341 

(3) 63.342 (a)

(4) 63.342 (b)(1)

(5) 63.342 (c)(1)(ii) 

(6) 63.342 (f)

(7) 63.343 (a)(1)(ii), (3) and (5) 

(8) 63.343 (b)(1)

(9) 63.343 (c)(1)(i) and (ii)

(10) 63.346

(11) 63.347

(12) 63.348
Freudenber-NOK General Partnership Page 21 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT

OFFICE OF AIR QUALITY

COMPLIANCE AND ENFORCEMENT BRANCH

MINOR SOURCE OPERATING PERMIT

ANNUAL NOTIFICATION

This form should be used to comply with the notification requirements under 326 IAC 2-6.1-5(a)(5). 

Company Name: Freudenber-NOK General Partnership

Address: 1004 W. Washington Street

City: Shelbyville, Indiana 46176

Phone #: 317-421-9280

MSOP #: M145-30019-00029

I hereby certify that Freudenber-NOK General Partnership

:

 still in operation.

 no longer in operation.

I hereby certify that Freudenber-NOK General Partnership

:

 in compliance with the requirements of 

MSOP M145-30019-00029.

 not in compliance with the requirements of 

MSOP M145-30019-00029.

Authorized Individual (typed):

Title:

Signature:

Date:

If there are any conditions or requirements for which the source is not in compliance, provide a narrative 

description of how the source did or will achieve compliance and the date compliance was, or will be 

achieved.

Noncompliance:
Freudenber-NOK General Partnership Page 22 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

MALFUNCTION REPORT

INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT

OFFICE OF AIR QUALITY

COMPLIANCE AND ENFORCEMENT BRANCH

FAX NUMBER: (317) 233-6865

This form should only be used to report malfunctions applicable to Rule 326 IAC 1-6

and to qualify for the exemption under 326 IAC 1-6-4.

THIS FACILITY MEETS THE APPLICABILITY REQUIREMENTS BECAUSE IT HAS POTENTIAL TO EMIT 25 TONS/YEAR 

PARTICULATE MATTER ?_____, 25 TONS/YEAR SULFUR DIOXIDE ?_____, 25 TONS/YEAR NITROGEN OXIDES?_____, 

25 TONS/YEAR VOC ?_____, 25 TONS/YEAR HYDROGEN SULFIDE ?_____, 25 TONS/YEAR TOTAL REDUCED SULFUR 

?_____, 25 TONS/YEAR REDUCED SULFUR COMPOUNDS ?_____, 25 TONS/YEAR FLUORIDES ?_____, 100 TONS/YEAR 

CARBON MONOXIDE ?_____, 10 TONS/YEAR ANY SINGLE HAZARDOUS AIR POLLUTANT ?_____, 25 TONS/YEAR ANY 

COMBINATION HAZARDOUS AIR POLLUTANT ?_____, 1 TON/YEAR LEAD OR LEAD COMPOUNDS MEASURED AS 

ELEMENTAL LEAD ?_____, OR IS A SOURCE LISTED UNDER 326 IAC 2-5.1-3(2) ?_____. EMISSIONS FROM 

MALFUNCTIONING CONTROL EQUIPMENT OR PROCESS EQUIPMENT CAUSED EMISSIONS IN EXCESS OF APPLICABLE 

LIMITATION ________.

THIS MALFUNCTION RESULTED IN A VIOLATION OF: 326 IAC _______ OR, PERMIT CONDITION # _______ AND/OR 

PERMIT LIMIT OF _______________

THIS INCIDENT MEETS THE DEFINITION OF “MALFUNCTION” AS LISTED ON REVERSE SIDE ? Y N

THIS MALFUNCTION IS OR WILL BE LONGER THAN THE ONE (1) HOUR REPORTING REQUIREMENT ? Y N

COMPANY:_________________________________________________________PHONE NO. ( )___________________

LOCATION: (CITY AND COUNTY)_________________________________________________________________________

PERMIT NO. ________________ AFS PLANT ID: ________________ AFS POINT ID: ________________ INSP:__________

CONTROL/PROCESS DEVICE WHICH MALFUNCTIONED AND REASON:________________________________________

_____________________________________________________________________________________________________

DATE/TIME MALFUNCTION STARTED: _____/_____/ 20____ _________________________________________ AM / PM

ESTIMATED HOURS OF OPERATION WITH MALFUNCTION CONDITION: _______________________________________

DATE/TIME CONTROL EQUIPMENT BACK-IN SERVICE______/______/ 20____ _______________ AM/PM

TYPE OF POLLUTANTS EMITTED: TSP, PM-10, SO2, VOC, OTHER:________________________________________

ESTIMATED AMOUNT OF POLLUTANT EMITTED DURING MALFUNCTION: _______________________________________

______________________________________________________________________________________________________

MEASURES TAKEN TO MINIMIZE EMISSIONS:______________________________________________________________

___________________________________________________________________________________________________

REASONS WHY FACILITY CANNOT BE SHUTDOWN DURING REPAIRS:

CONTINUED OPERATION REQUIRED TO PROVIDE ESSENTIAL

CONTINUED OPERATION NECESSARY TO PREVENT INJURY TO PERSONS:_____________________________________

* SERVICES:_____________________________________

CONTINUED OPERATION NECESSARY TO PREVENT SEVERE DAMAGE TO EQUIPMENT:__________________________

INTERIM CONTROL MEASURES: (IF APPLICABLE)____________________________________________________________

_____________________________________________________________________________________________________ 

_____________________________________________________________________________________________________

MALFUNCTION REPORTED BY:__________________________________TITLE:___________________________

 (SIGNATURE IF FAXED)

MALFUNCTION RECORDED BY:_______________________DATE:__________________TIME:__________________

*SEE PAGE 2

PAGE 1 OF 2
Freudenber-NOK General Partnership Page 23 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

Please note - This form should only be used to report malfunctions

applicable to Rule 326 IAC 1-6 and to qualify for

the exemption under 326 IAC 1-6-4.

326 IAC 1-6-1 Applicability of rule

Sec. 1. This rule applies to the owner or operator of any facility required to obtain a permit under 

326 IAC 2-5.1 or 326 IAC 2-6.1.

326 IAC 1-2-39 “Malfunction” definition

Sec. 39. Any sudden, unavoidable failure of any air pollution control equipment, process, or 

combustion or process equipment to operate in a normal and usual manner. 

*Essential services are interpreted to mean those operations, such as, the providing of electricity by 

power plants. Continued operation solely for the economic benefit of the owner or operator shall not 

be sufficient reason why a facility cannot be shutdown during a control equipment shutdown.

If this item is checked on the front, please explain rationale:

________________________________________________________________________

________________________________________________________________________

PAGE 2 OF 2
Freudenber-NOK General Partnership Page 24 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

Indiana Department of Environmental Management

Office of Air Quality

Compliance and Enforcement Branch

MINOR SOURCE OPERATING PERMIT

CHROMIUM ELECTROPLATING AND ANODIZING NESHAP

ONGOING COMPLIANCE STATUS REPORT

Source Name: Freudenber-NOK General Partnership

Source Address: 1004 W. Washington St., Shelbyville, IN 46176

Mailing Address: 1004 W. Washington St., Shelbyville, IN 46176

MSOP Permit No.: M145-30019-00029

Tank ID #: T3

Type of process: Hard

Monitoring Parameter: Pressure drop across the composite mesh pad system

Parameter Value: 

Limits: Total chromium concentration may not exceed 0.03 mg/dscm

This form is to be used to report compliance for the Chromium Electroplating and Anodizing NESHAP only.

The frequency for completing this report may be altered by IDEM, OAQ, Compliance and Enforcement Branch. 

Companies classified as a major source: Submit this report no later than 30 days after the end of the reporting period.

Companies classified as an area source: Complete this report no later than 30 days after the end of the reporting period, 

and retain on site unless otherwise notified.

This form consists of 2 pages Page 1 of 2

BEGINNING AND ENDING DATES OF THE REPORTING PERIOD:

TOTAL OPERATING TIME OF THE TANK DURING THE REPORTING PERIOD:

MAJOR AND AREA SOURCES: CHECK ONE

9 NO DEVIATIONS OF THE MONITORING PARAMETER ASSOCIATED WITH THIS TANK FROM THE COMPLIANT VALUE 

OR RANGE OF VALUES OCCURRED DURING THIS REPORTING PERIOD.

9 THE MONITORING PARAMETER DEVIATED FROM THE COMPLIANT VALUE OR RANGE OF VALUES DURING THIS 

REPORTING PERIOD (THUS INDICATING THE EMISSION LIMITATION MAY HAVE BEEN EXCEEDED, WHICH COULD RESULT IN 

MORE FREQUENT REPORTING).

AREA (I.E., NON-MAJOR) SOURCES OF HAP ONLY:

IF DEVIATIONS OCCURRED, LIST THE AMOUNT OF TANK OPERATING TIME EACH MONTH THAT MONITORING RECORDS 

SHOW THE MONITORING PARAMETER DEVIATED FROM THE COMPLIANT VALUE OR RANGE OF VALUES.

JAN APR JUL OCT

FEB MAY AUG NOV

MAR JUN SEP DEC

HARD CHROME TANKS / MAXIMUM RECTIFIER CAPACITY LIMITED IN ACCORDANCE WITH 40 CFR 63.342(c)(2) ONLY:

LIST THE ACTUAL AMPERE-HOURS CONSUMED (BASED ON AN AMP-HR METER) BY THE INDIVIDUAL TANK.

JAN APR JUL OCT

FEB MAY AUG NOV

MAR JUN SEP DEC
Freudenber-NOK General Partnership Page 25 of 25

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley DRAFT

CHROMIUM ELECTROPLATING AND ANODIZING NESHAP

ONGOING COMPLIANCE STATUS REPORT

ATTACH A SEPARATE PAGE IF NEEDED Page 2 of 2

IF THE OPERATION AND MAINTENANCE PLAN REQUIRED BY 40 CFR 63.342 (f)(3) WAS NOT FOLLOWED, PROVIDE AN 

EXPLANATION OF THE REASONS FOR NOT FOLLOWING THE PLAN AND DESCRIBE THE ACTIONS TAKEN FOR THAT EVENT:

DESCRIBE ANY CHANGES IN TANKS, RECTIFIERS, CONTROL DEVICES, MONITORING, ETC. SINCE THE LAST STATUS REPORT:

ADDITIONAL COMMENTS:

ALL SOURCES: CHECK ONE

9 I CERTIFY THAT THE WORK PRACTICE STANDARDS IN 40 CFR 63.342(f) WERE FOLLOWED IN ACCORDANCE WITH 

 THE OPERATION AND MAINTENANCE PLAN ON FILE; AND, THAT THE INFORMATION CONTAINED IN THIS REPORT IS 

 ACCURATE AND TRUE TO THE BEST OF MY KNOWLEDGE.

9 THE WORK PRACTICE STANDARDS IN 40 CFR 63.342(f) WERE NOT FOLLOWED IN ACCORDANCE WITH THE OPERATION 

 AND MAINTENANCE PLAN ON FILE, AS EXPLAINED ABOVE AND/OR ON ATTACHED.

Submitted by: 

Title/Position: 

Signature: 

Date: 

Phone: 
Appendix A

Freudenberg-NOK General Partnership

1004 West Washington Street

Shelbyville, Indiana 46176

Permit No. M145-30019-00029
Freudenberg-NOK General Partnership Page 2 of 36

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

Title 40: Protection of Environment

Subpart N—National Emission Standards for Chromium Emissions From Hard and 

Decorative Chromium Electroplating and Chromium Anodizing Tanks

Source: 60 FR 4963, Jan. 25, 1995, unless otherwise noted.

§ 63.340 Applicability and designation of sources.

(a) The affected source to which the provisions of this subpart apply is each chromium electroplating or 

chromium anodizing tank at facilities performing hard chromium electroplating, decorative chromium 

electroplating, or chromium anodizing.

(b) Owners or operators of affected sources subject to the provisions of this subpart must also comply with 

the requirements of subpart A of this part, according to the applicability of subpart A of this part to such 

sources, as identified in Table 1 of this subpart.

(c) Process tanks associated with a chromium electroplating or chromium anodizing process, but in which 

neither chromium electroplating nor chromium anodizing is taking place, are not subject to the provisions of 

this subpart. Examples of such tanks include, but are not limited to, rinse tanks, etching tanks, and cleaning 

tanks. Likewise, tanks that contain a chromium solution, but in which no electrolytic process occurs, are not 

subject to this subpart. An example of such a tank is a chrome conversion coating tank where no electrical 

current is applied.

(d) Affected sources in which research and laboratory operations are performed are exempt from the 

provisions of this subpart when such operations are taking place.

(e) If you are an owner or operator of an area source subject to this subpart, you are exempt from the 

obligation to obtain a permit under 40 CFR part 70 or 71, provided you are not required to obtain a permit 

under 40 CFR 70.3(a) or 71.3(a) for a reason other than your status as an area source under this subpart. 

Notwithstanding the previous sentence, you must continue to comply with the provisions of this subpart 

applicable to area sources.

[60 FR 4963, Jan. 25, 1995, as amended at 61 FR 27787, June 3, 1996; 64 FR 69643, Dec. 14, 1999; 70 

FR 75345, Dec. 19, 2005]

§ 63.341 Definitions and nomenclature.

(a) Definitions. Terms used in this subpart are defined in the Act, in subpart A of this part, or in this section. 

For the purposes of subpart N of this part, if the same term is defined in subpart A of this part and in this 

section, it shall have the meaning given in this section.

Add-on air pollution control device means equipment installed in the ventilation system of chromium 

electroplating and anodizing tanks for the purposes of collecting and containing chromium emissions from 

the tank(s).

Air pollution control technique means any method, such as an add-on air pollution control device or a 

chemical fume suppressant, that is used to reduce chromium emissions from chromium electroplating and 

chromium anodizing tanks.

Base metal means the metal or metal alloy that comprises the workpiece.
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

Bath component means the trade or brand name of each component(s) in trivalent chromium plating baths. 

For trivalent chromium baths, the bath composition is proprietary in most cases. Therefore, the trade or 

brand name for each component(s) can be used; however, the chemical name of the wetting agent 

contained in that component must be identified.

Chemical fume suppressant means any chemical agent that reduces or suppresses fumes or mists at the 

surface of an electroplating or anodizing bath; another term for fume suppressant is mist suppressant.

Chromic acid means the common name for chromium anhydride (CrO3).

Chromium anodizing means the electrolytic process by which an oxide layer is produced on the surface of a 

base metal for functional purposes (e.g., corrosion resistance or electrical insulation) using a chromic acid 

solution. In chromium anodizing, the part to be anodized acts as the anode in the electrical circuit, and the 

chromic acid solution, with a concentration typically ranging from 50 to 100 grams per liter (g/L), serves as 

the electrolyte.

Chromium anodizing tank means the receptacle or container along with the following accompanying internal 

and external components needed for chromium anodizing: rectifiers fitted with controls to allow for voltage 

adjustments, heat exchanger equipment, circulation pumps, and air agitation systems.

Chromium electroplating tank means the receptacle or container along with the following internal and 

external components needed for chromium electroplating: Rectifiers, anodes, heat exchanger equipment, 

circulation pumps, and air agitation systems.

Composite mesh-pad system means an add-on air pollution control device typically consisting of several 

mesh-pad stages. The purpose of the first stage is to remove large particles. Smaller particles are removed 

in the second stage, which consists of the composite mesh pad. A final stage may remove any reentrained 

particles not collected by the composite mesh pad.

Decorative chromium electroplating means the process by which a thin layer of chromium (typically 0.003 to 

2.5 microns) is electrodeposited on a base metal, plastic, or undercoating to provide a bright surface with 

wear and tarnish resistance. In this process, the part(s) serves as the cathode in the electrolytic cell and the 

solution serves as the electrolyte. Typical current density applied during this process ranges from 540 to 

2,400 Amperes per square meter (A/m2 ) for total plating times ranging between 0.5 to 5 minutes.

Electroplating or anodizing bath means the electrolytic solution used as the conducting medium in which the 

flow of current is accompanied by movement of metal ions for the purposes of electroplating metal out of the 

solution onto a workpiece or for oxidizing the base material.

Emission limitation means, for the purposes of this subpart, the concentration of total chromium allowed to 

be emitted expressed in milligrams per dry standard cubic meter (mg/dscm), or the allowable surface 

tension expressed in dynes per centimeter (dynes/cm).

Enclosed hard chromium electroplating tank means a chromium electroplating tank that is equipped with an 

enclosing hood and ventilated at half the rate or less that of an open surface tank of the same surface area.

Facility means the major or area source at which chromium electroplating or chromium anodizing is 

performed.

Fiber-bed mist eliminator means an add-on air pollution control device that removes contaminants from a 

gas stream through the mechanisms of inertial impaction and Brownian diffusion. These devices are 

typically installed downstream of another control device, which serves to prevent plugging, and consist of 

one or more fiber beds. Each bed consists of a hollow cylinder formed from two concentric screens; the fiber 

between the screens may be fabricated from glass, ceramic plastic, or metal.

Foam blanket means the type of chemical fume suppressant that generates a layer of foam across the 

surface of a solution when current is applied to that solution.
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

Fresh water means water, such as tap water, that has not been previously used in a process operation or, if 

the water has been recycled from a process operation, it has been treated and meets the effluent guidelines 

for chromium wastewater.

Hard chromium electroplating or industrial chromium electroplating means a process by which a thick layer 

of chromium (typically 1.3 to 760 microns) is electrodeposited on a base material to provide a surface with 

functional properties such as wear resistance, a low coefficient of friction, hardness, and corrosion 

resistance. In this process, the part serves as the cathode in the electrolytic cell and the solution serves as 

the electrolyte. Hard chromium electroplating process is performed at current densities typically ranging from 

1,600 to 6,500 A/m2 for total plating times ranging from 20 minutes to 36 hours depending upon the desired 

plate thickness.

Hexavalent chromium means the form of chromium in a valence state of +6.

Large, hard chromium electroplating facility means a facility that performs hard chromium electroplating and 

has a maximum cumulative potential rectifier capacity greater than or equal to 60 million ampere-hours per 

year (amp-hr/yr).

Maximum cumulative potential rectifier capacity means the summation of the total installed rectifier capacity 

associated with the hard chromium electroplating tanks at a facility, expressed in amperes, multiplied by the 

maximum potential operating schedule of 8,400 hours per year and 0.7, which assumes that electrodes are 

energized 70 percent of the total operating time. The maximum potential operating schedule is based on 

operating 24 hours per day, 7 days per week, 50 weeks per year.

Open surface hard chromium electroplating tank means a chromium electroplating tank that is ventilated at a

rate consistent with good ventilation practices for open tanks.

Operating parameter value means a minimum or maximum value established for a control device or process 

parameter which, if achieved by itself or in combination with one or more other operating parameter values, 

determines that an owner or operator is in continual compliance with the applicable emission limitation or 

standard.

Packed-bed scrubber means an add-on air pollution control device consisting of a single or double packed 

bed that contains packing media on which the chromic acid droplets impinge. The packed-bed section of the 

scrubber is followed by a mist eliminator to remove any water entrained from the packed-bed section.

Research or laboratory operation means an operation whose primary purpose is for research and 

development of new processes and products, that is conducted under the close supervision of technically 

trained personnel, and that is not involved in the manufacture of products for commercial sale in commerce, 

except in a de minimis manner.

Small, hard chromium electroplating facility means a facility that performs hard chromium electroplating and 

has a maximum cumulative potential rectifier capacity less than 60 million amp-hr/yr.

Stalagmometer means an instrument used to measure the surface tension of a solution by determining the 

mass of a drop of liquid by weighing a known number of drops or by counting the number of drops obtained 

from a given volume of liquid.

Surface tension means the property, due to molecular forces, that exists in the surface film of all liquids and 

tends to prevent liquid from spreading.

Tank operation means the time in which current and/or voltage is being applied to a chromium electroplating 

tank or a chromium anodizing tank.

Tensiometer means an instrument used to measure the surface tension of a solution by determining the 

amount of force needed to pull a ring from the liquid surface. The amount of force is proportional to the 

surface tension.
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Permit Reviewer: Janet Mobley

Trivalent chromium means the form of chromium in a valence state of +3.

Trivalent chromium process means the process used for electrodeposition of a thin layer of chromium onto a 

base material using a trivalent chromium solution instead of a chromic acid solution.

Wetting agent means the type of chemical fume suppressant that reduces the surface tension of a liquid.

(b) Nomenclature. The nomenclature used in this subpart has the following meaning:

(1) AMR=the allowable mass emission rate from each type of affected source subject to the same emission 

limitation in milligrams per hour (mg/hr).

(2) AMRsys=the allowable mass emission rate from affected sources controlled by an add-on air pollution 

control device controlling emissions from multiple sources in mg/hr.

(3) EL=the applicable emission limitation from §63.342 in milligrams per dry standard cubic meter 

(mg/dscm).

(4) IAtotal=the sum of all inlet duct areas from both affected and nonaffected sources in meters squared.

(5) IDAi=the total inlet area for all ducts associated with affected sources in meters squared.

(6) IDAi,a=the total inlet duct area for all ducts conveying chromic acid from each type of affected source 

performing the same operation, or each type of affected source subject to the same emission limitation in 

meters squared.

(7) VR=the total of ventilation rates for each type of affected source subject to the same emission limitation 

in dry standard cubic meters per minute (dscm/min).

(8) VRinlet=the total ventilation rate from all inlet ducts associated with affected sources in dscm/min.

(9) VRinlet,a=the total ventilation rate from all inlet ducts conveying chromic acid from each type of affected 

source performing the same operation, or each type of affected source subject to the same emission 

limitation in dscm/min.

(10) VRtot=the average total ventilation rate for the three test runs as determined at the outlet by means of 

the Method 306 in appendix A of this part testing in dscm/min.

[60 FR 4963, Jan. 25, 1995, as amended at 69 FR 42894, July 19, 2004]

§ 63.342 Standards.

(a) Each owner or operator of an affected source subject to the provisions of this subpart shall comply with 

these requirements on and after the compliance dates specified in §63.343(a). All affected sources are 

regulated by applying maximum achievable control technology.

(b) Applicability of emission limitations. (1) The emission limitations in this section apply during tank 

operation as defined in §63.341, and during periods of startup and shutdown as these are routine 

occurrences for affected sources subject to this subpart. The emission limitations do not apply during 

periods of malfunction, but the work practice standards that address operation and maintenance and that 

are required by paragraph (f) of this section must be followed during malfunctions.

(2) If an owner or operator is controlling a group of tanks with a common add-on air pollution control device, 

the emission limitations of paragraphs (c), (d), and (e) of this section apply whenever any one affected 

source is operated. The emission limitation that applies to the group of affected sources is:
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

(i) The emission limitation identified in paragraphs (c), (d), and (e) of this section if the affected sources are 

performing the same type of operation (e.g., hard chromium electroplating), are subject to the same 

emission limitation, and are not controlled by an add-on air pollution control device also controlling 

nonaffected sources;

(ii) The emission limitation calculated according to §63.344(e)(3) if affected sources are performing the same 

type of operation, are subject to the same emission limitation, and are controlled with an add-on air pollution 

control device that is also controlling nonaffected sources; and

(iii) The emission limitation calculated according to §63.344(e)(4) if affected sources are performing different 

types of operations, or affected sources are performing the same operations but subject to different emission 

limitations, and are controlled with an add-on air pollution control device that may also be controlling 

emissions from nonaffected sources.

(c)(1) Standards for open surface hard chromium electroplating tanks. During tank operation, each owner or 

operator of an existing, new, or reconstructed affected source shall control chromium emissions discharged 

to the atmosphere from that affected source by either:

(i) Not allowing the concentration of total chromium in the exhaust gas stream discharged to the atmosphere 

to exceed 0.015 milligrams of total chromium per dry standard cubic meter (mg/dscm) of ventilation air (6.6 × 

10−6grains per dry standard cubic foot (gr/dscf)) for all open surface hard chromium electroplating tanks that 

are affected sources other than those that are existing affected sources located at small hard chromium 

electroplating facilities; or

(ii) Not allowing the concentration of total chromium in the exhaust gas stream discharged to the atmosphere 

to exceed 0.03 mg/dscm (1.3 × 10−5gr/dscf) if the open surface hard chromium electroplating tank is an 

existing affected source and is located at a small, hard chromium electroplating facility; or

(iii) If a chemical fume suppressant containing a wetting agent is used, by not allowing the surface tension of 

the electroplating or anodizing bath contained within the affected tank to exceed 45 dynes per centimeter 

(dynes/cm) (3.1 × 10−3pound-force per foot (lbf/ft)) as measured by a stalagmometer or 35 dynes/cm (2.4 × 

10−3lbf/ft) as measured by a tensiometer at any time during tank operation.

(2) Standards for enclosed hard chromium electroplating tanks. During tank operation, each owner or 

operator of an existing, new, or reconstructed affected source shall control chromium emissions discharged 

to the atmosphere from that affected source by either:

(i) Not allowing the concentration of total chromium in the exhaust gas stream discharged to the atmosphere 

to exceed 0.015 mg/dscm (6.6 × 10−6gr/dscf) for all enclosed hard chromium electroplating tanks that are 

affected sources other than those that are existing affected sources located at small, hard chromium 

electroplating facilities; or

(ii) Not allowing the concentration of total chromium in the exhaust gas stream discharged to the atmosphere 

to exceed 0.03 mg/dscm (1.3 × 10−5gr/dscf) if the enclosed hard chromium electroplating tank is an existing 

affected source and is located at a small, hard chromium electroplating facility; or

(iii) If a chemical fume suppressant containing a wetting agent is used, by not allowing the surface tension of 

the electroplating or anodizing bath contained within the affected tank to exceed 45 dynes/cm (3.1 × 

10−3lbf/ft) as measured by a stalagmometer or 35 dynes/cm (2.4 × 10−3lbf/ft) as measured by a tensiometer 

at any time during tank operation; or

(iv) Not allowing the mass rate of total chromium in the exhaust gas stream discharged to the atmosphere to 

exceed the maximum allowable mass emission rate determined by using the calculation procedure in 

§63.344(f)(1)(i) for all enclosed hard chromium electroplating tanks that are affected sources other than 

those that are existing affected sources located at small, hard chromium electroplating facilities; or

(v) Not allowing the mass rate of total chromium in the exhaust gas stream discharged to the atmosphere to 

exceed the maximum allowable mass emission rate determined by using the calculation procedure in 
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

§63.344(f)(1)(ii) if the enclosed hard chromium electroplating tank is an existing affected source and is 

located at a small, hard chromium electroplating facility.

(3)(i) An owner or operator may demonstrate the size of a hard chromium electroplating facility through the 

definitions in §63.341(a). Alternatively, an owner or operator of a facility with a maximum cumulative 

potential rectifier capacity of 60 million amp-hr/yr or more may be considered small if the actual cumulative 

rectifier capacity is less than 60 million amp-hr/yr as demonstrated using the following procedures:

(A) If records show that the facility's previous annual actual rectifier capacity was less than 60 million amphr/yr, by using nonresettable ampere-hr meters and keeping monthly records of actual ampere-hr usage for 

each 12-month rolling period following the compliance date in accordance with §63.346(b)(12). The actual 

cumulative rectifier capacity for the previous 12-month rolling period shall be tabulated monthly by adding 

the capacity for the current month to the capacities for the previous 11 months; or

(B) By accepting a federally-enforceable limit on the maximum cumulative potential rectifier capacity of a 

hard chromium electroplating facility and by maintaining monthly records in accordance with §63.346(b)(12) 

to demonstrate that the limit has not been exceeded. The actual cumulative rectifier capacity for the previous 

12-month rolling period shall be tabulated monthly by adding the capacity for the current month to the 

capacities for the previous 11 months.

(ii) Once the monthly records required to be kept by §63.346(b)(12) and by this paragraph (c)(3)(ii) show that 

the actual cumulative rectifier capacity over the previous 12-month rolling period corresponds to the large 

designation, the owner or operator is subject to the emission limitation identified in paragraph (c)(1)(i), (iii), 

(c)(2)(i), (iii), or (iv) of this section, in accordance with the compliance schedule of §63.343(a)(5).

(d) Standards for decorative chromium electroplating tanks using a chromic acid bath and chromium 

anodizing tanks. During tank operation, each owner or operator of an existing, new, or reconstructed 

affected source shall control chromium emissions discharged to the atmosphere from that affected source 

by either:

(1) Not allowing the concentration of total chromium in the exhaust gas stream discharged to the 

atmosphere to exceed 0.01 mg/dscm (4.4×10−6gr/dscf); or

(2) If a chemical fume suppressant containing a wetting agent is used, by not allowing the surface tension of 

the electroplating or anodizing bath contained within the affected source to exceed 45 dynes/cm (3.1 × 

10−3lbf/ft) as measured by a stalagmometer or 35 dynes/cm (2.4 × 10−3lbf/ft) as measured by a tensiometer 

at any time during operation of the tank.

(e) Standards for decorative chromium electroplating tanks using a trivalent chromium bath. (1) Each owner 

or operator of an existing, new, or reconstructed decorative chromium electroplating tank that uses a 

trivalent chromium bath that incorporates a wetting agent as a bath ingredient is subject to the 

recordkeeping and reporting requirements of §§63.346(b)(14) and 63.347(i), but are not subject to the work 

practice requirements of paragraph (f) of this section, or the continuous compliance monitoring requirements 

in §63.343(c). The wetting agent must be an ingredient in the trivalent chromium bath components 

purchased from vendors.

(2) Each owner or operator of an existing, new, or reconstructed decorative chromium electroplating tank 

that uses a trivalent chromium bath that does not incorporate a wetting agent as a bath ingredient is subject 

to the standards of paragraph (d) of this section.

(3) Each owner or operator of existing, new, or reconstructed decorative chromium electroplating tank that 

had been using a trivalent chromium bath that incorporates a wetting agent and ceases using this type of 

bath must fulfill the reporting requirements of §63.347(i)(3) and comply with the applicable emission 

limitation within the timeframe specified in §63.343(a)(7).

(f) Operation and maintenance practices. All owners or operators subject to the standards in paragraphs (c) 

and (d) of this section are subject to these operation and maintenance practices.
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Permit Reviewer: Janet Mobley

(1)(i) At all times, including periods of startup, shutdown, and malfunction, owners or operators shall operate 

and maintain any affected source, including associated air pollution control devices and monitoring 

equipment, in a manner consistent with good air pollution control practices.

(ii) Malfunctions shall be corrected as soon as practicable after their occurrence.

(iii) Operation and maintenance requirements established pursuant to section 112 of the Act are enforceable 

independent of emissions limitations or other requirements in relevant standards.

(2)(i) Determination of whether acceptable operation and maintenance procedures are being used will be 

based on information available to the Administrator, which may include, but is not limited to, monitoring 

results; review of the operation and maintenance plan, procedures, and records; and inspection of the 

source.

(ii) Based on the results of a determination made under paragraph (f)(2)(i) of this section, the Administrator 

may require that an owner or operator of an affected source make changes to the operation and 

maintenance plan required by paragraph (f)(3) of this section for that source. Revisions may be required if 

the Administrator finds that the plan:

(A) Does not address a malfunction that has occurred;

(B) Fails to provide for the proper operation of the affected source, the air pollution control techniques, or the 

control system and process monitoring equipment during a malfunction in a manner consistent with good air 

pollution control practices; or

(C) Does not provide adequate procedures for correcting malfunctioning process equipment, air pollution 

control techniques, or monitoring equipment as quickly as practicable.

(3) Operation and maintenance plan. (i) The owner or operator of an affected source subject to paragraph (f) 

of this section shall prepare an operation and maintenance plan no later than the compliance date, except 

for hard chromium electroplaters and the chromium anodizing operations in California which have until 

January 25, 1998. The plan shall be incorporated by reference into the source's title V permit, if and when a 

title V permit is required. The plan shall include the following elements:

(A) The plan shall specify the operation and maintenance criteria for the affected source, the add-on air 

pollution control device (if such a device is used to comply with the emission limits), and the process and 

control system monitoring equipment, and shall include a standardized checklist to document the operation 

and maintenance of this equipment;

(B) For sources using an add-on control device or monitoring equipment to comply with this subpart, the 

plan shall incorporate the operation and maintenance practices for that device or monitoring equipment, as 

identified in Table 1 of this section, if the specific equipment used is identified in Table 1 of this section;

(C) If the specific equipment used is not identified in Table 1 of this section, the plan shall incorporate 

proposed operation and maintenance practices. These proposed operation and maintenance practices shall 

be submitted for approval as part of the submittal required under §63.343(d);

(D) The plan shall specify procedures to be followed to ensure that equipment or process malfunctions due 

to poor maintenance or other preventable conditions do not occur; and

(E) The plan shall include a systematic procedure for identifying malfunctions of process equipment, add-on 

air pollution control devices, and process and control system monitoring equipment and for implementing 

corrective actions to address such malfunctions.

(ii) If the operation and maintenance plan fails to address or inadequately addresses an event that meets the 

characteristics of a malfunction at the time the plan is initially developed, the owner or operator shall revise 

the operation and maintenance plan within 45 days after such an event occurs. The revised plan shall 
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include procedures for operating and maintaining the process equipment, add-on air pollution control device, 

or monitoring equipment during similar malfunction events, and a program for corrective action for such 

events.

(iii) Recordkeeping associated with the operation and maintenance plan is identified in §63.346(b). 

Reporting associated with the operation and maintenance plan is identified in §63.347 (g) and (h) and 

paragraph (f)(3)(iv) of this section.

(iv) If actions taken by the owner or operator during periods of malfunction are inconsistent with the 

procedures specified in the operation and maintenance plan required by paragraph (f)(3)(i) of this section, 

the owner or operator shall record the actions taken for that event and shall report by phone such actions 

within 2 working days after commencing actions inconsistent with the plan. This report shall be followed by a 

letter within 7 working days after the end of the event, unless the owner or operator makes alternative 

reporting arrangements, in advance, with the Administrator.

(v) The owner or operator shall keep the written operation and maintenance plan on record after it is 

developed to be made available for inspection, upon request, by the Administrator for the life of the affected 

source or until the source is no longer subject to the provisions of this subpart. In addition, if the operation 

and maintenance plan is revised, the owner or operator shall keep previous (i.e., superseded) versions of 

the operation and maintenance plan on record to be made available for inspection, upon request, by the 

Administrator for a period of 5 years after each revision to the plan.

(vi) To satisfy the requirements of paragraph (f)(3) of this section, the owner or operator may use applicable 

standard operating procedure (SOP) manuals, Occupational Safety and Health Administration (OSHA) 

plans, or other existing plans, provided the alternative plans meet the requirements of this section.

(g) The standards in this section that apply to chromic acid baths shall not be met by using a reducing agent 

to change the form of chromium from hexavalent to trivalent.

Table 1 to §63.342—Summary of Operation and Maintenance Practices

Control technique Operation and maintenance practices Frequency

Composite meshpad (CMP) system1. Visually inspect device to ensure there is proper 

drainage, no chronic acid buildup on the pads, and no 

evidence of chemical attack on the structural integrity 

of the device

1. 1/quarter.

 2. Visually inspect back portion of the mesh pad 

closest to the fan to ensure there is no breakthrough 

of chromic acid mist

2. 1/quarter.

 3. Visually inspect ductwork from tank to the control 

device to ensure there are no leaks

3. 1/quarter.

 4. Perform washdown of the composite mesh-pads in 

accordance with manufacturers recommendations

4. Per manufacturer.

Packed-bed 

scrubber (PSB)

1. Visually inspect device to ensure there is proper 

drainage, no chromic acid buildup on the packed 

beds, and no evidence of chemical attack on the 

structural integrity of the device

1. 1/quarter.

 2. Visually inspect back portion of the chevron blade 

mist eliminator to ensure that it is dry and there is no 

breakthrough of chromic acid mist

2. 1/quarter.

 3. Same as number 3 above 3. 1/quarter.
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 4. Add fresh makeup water to the top of the packed 

beda,b

4. Whenever makeup 

is added.

PBS/CMP system 1. Same as for CMP system 1. 1/quarter.

 2. Same as for CMP system 2. 1/quarter.

 3. Same as for CMP system 3. 1/quarter.

 4. Same as for CMP system 4. Per manufacturer.

Fiber-bed mist 

eliminatorc

1. Visually inspect fiber-bed unit and prefiltering 

device to ensure there is proper drainage, no chromic 

acid buildup in the units, and no evidence of chemical 

attack on the structural integrity of the devices

1. 1/quarter.

 2. Visually inspect ductwork from tank or tanks to the 

control device to ensure there are no leaks

2. 1/quarter.

 3. Perform washdown of fiber elements in accordance 

with manufacturers recommendations

3. Per manufacturer.

Air pollution control 

device (APCD) not 

listed in rule

To be proposed by the source for approval by the 

Administrator

To be proposed by 

the source for 

approval by the 

Administrator.

Monitoring Equipment

Pitot tube Backflush with water, or remove from the duct and 

rinse with fresh water. Replace in the duct and rotate 

180 degrees to ensure that the same zero reading is 

obtained. Check pitot tube ends for damage. Replace 

pitot tube if cracked or fatigued

1/quarter.

Stalagmometer Follow manufacturers recommendations

a

If greater than 50 percent of the scrubber water is drained (e.g., for maintenance purposes), makeup water 

may be added to the scrubber basin.

b

For horizontal-flow scrubbers, top is defined as the section of the unit directly above the packing media 

such that the makeup water would flow perpendicular to the air flow through the packing. For vertical-flow 

units, the top is defined as the area downstream of the packing material such that the makeup water would 

flow countercurrent to the air flow through the unit.

c

Work practice standards for the control device installed upstream of the fiber-bed mist eliminator to prevent 

plugging do not apply as long as the work practice standards for the fiber-bed unit are followed.

[60 FR 4963, Jan. 25, 1995; 60 FR 33122, June 27, 1995, as amended at 61 FR 27787, June 3, 1996; 62 

FR 42920, Aug. 11, 1997; 68 FR 37347, June 23, 2003; 69 FR 42894, July 19, 2004; 71 FR 20456, Apr. 20, 

2006]

§ 63.343 Compliance provisions.

(a) Compliance dates. (1) The owner or operator of an existing affected source shall comply with the 

emission limitations in §63.342 as follows:

(i) No later than 1 year after January 25, 1995, if the affected source is a decorative chromium electroplating 

tank; and
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(ii) No later than 2 years after January 25, 1995, if the affected source is a hard chromium electroplating tank 

or a chromium anodizing tank.

(2) The owner or operator of a new or reconstructed affected source that has an initial startup after January 

25, 1995, shall comply immediately upon startup of the source. The owner or operator of a new or 

reconstructed affected source that has an initial startup after December 16, 1993 but before January 25, 

1995, shall follow the compliance schedule of §63.6(b)(1).

(3) The owner or operator of an existing area source that increases actual or potential emissions of 

hazardous air pollutants such that the area source becomes a major source must comply with the provisions 

for existing major sources, including the reporting provisions of §63.347(g), immediately upon becoming a 

major source.

(4) The owner or operator of a new area source (i.e., an area source for which construction or reconstruction 

was commenced after December 16, 1993) that increases actual or potential emissions of hazardous air 

pollutants such that the area source becomes a major source must comply with the provisions for new major 

sources, immediately upon becoming a major source.

(5) An owner or operator of an existing hard chromium electroplating tank or tanks located at a small, hard 

chromium electroplating facility that increases its maximum cumulative potential rectifier capacity, or its 

actual cumulative rectifier capacity, such that the facility becomes a large, hard chromium electroplating 

facility must comply with the requirements of §63.342(c)(1)(i) for all hard chromium electroplating tanks at 

the facility no later than 1 year after the month in which monthly records required by §§63.342(c)(2) and 

63.346(b)(12) show that the large designation is met, or by the compliance date specified in paragraph 

(a)(1)(ii) of this section, whichever is later.

(6) Request for an extension of compliance. An owner or operator of an affected source or sources that 

requests an extension of compliance shall do so in accordance with this paragraph and the applicable 

paragraphs of §63.6(i). When the owner or operator is requesting the extension for more than one affected 

source located at the facility, then only one request may be submitted for all affected sources at the facility.

(i) The owner or operator of an existing affected source who is unable to comply with a relevant standard 

under this subpart may request that the Administrator (or a State, when the State has an approved part 70 

permit program and the source is required to obtain a part 70 permit under that program, or a State, when 

the State has been delegated the authority to implement and enforce the emission standard for that source) 

grant an extension allowing the owner or operator up to 1 additional year to comply with the standard for the 

affected source. The owner or operator of an affected source who has requested an extension of 

compliance under this paragraph and is otherwise required to obtain a title V permit for the source shall 

apply for such permit or apply to have the title V permit revised to incorporate the conditions of the extension 

of compliance. The conditions of an extension of compliance granted under this paragraph will be 

incorporated into the owner or operator's title V permit for the affected source(s) according to the provisions 

of 40 CFR part 70 or 40 CFR part 71, whichever is applicable.

(ii) Any request under this paragraph for an extension of compliance with a relevant standard shall be 

submitted in writing to the appropriate authority not later than 6 months before the affected source's 

compliance date as specified in this section.

(7) An owner or operator of a decorative chromium electroplating tank that uses a trivalent chromium bath 

that incorporates a wetting agent, and that ceases using the trivalent chromium process, must comply with 

the emission limitation now applicable to the tank within 1 year of switching bath operation.

(b) Methods to demonstrate initial compliance. (1) Except as provided in paragraphs (b)(2) and (b)(3) of this 

section, an owner or operator of an affected source subject to the requirements of this subpart is required to 

conduct an initial performance test as required under §63.7, except for hard chromium electroplaters and 

chromium anodizing operations in California which have until January 25, 1998, using the procedures and 

test methods listed in §§63.7 and 63.344.

(2) If the owner or operator of an affected source meets all of the following criteria, an initial performance 

test is not required to be conducted under this subpart:
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(i) The affected source is a hard chromium electroplating tank, a decorative chromium electroplating tank or 

a chromium anodizing tank; and

(ii) A wetting agent is used in the plating or anodizing bath to inhibit chromium emissions from the affected 

source; and

(iii) The owner or operator complies with the applicable surface tension limit of §63.342(c)(1)(iii), (c)(2)(iii), or

(d)(2) as demonstrated through the continuous compliance monitoring required by paragraph (c)(5)(ii) of this 

section.

(3) If the affected source is a decorative chromium electroplating tank using a trivalent chromium bath, and 

the owner or operator is subject to the provisions of §63.342(e), an initial performance test is not required to 

be conducted under this subpart.

(c) Monitoring to demonstrate continuous compliance. The owner or operator of an affected source subject 

to the emission limitations of this subpart shall conduct monitoring according to the type of air pollution 

control technique that is used to comply with the emission limitation. The monitoring required to demonstrate 

continuous compliance with the emission limitations is identified in this section for the air pollution control 

techniques expected to be used by the owners or operators of affected sources.

(1) Composite mesh-pad systems. (i) During the initial performance test, the owner or operator of an 

affected source, or a group of affected sources under common control, complying with the emission 

limitations in §63.342 through the use of a composite mesh-pad system shall determine the outlet chromium 

concentration using the test methods and procedures in §63.344(c), and shall establish as a site-specific 

operating parameter the pressure drop across the system, setting the value that corresponds to compliance 

with the applicable emission limitation, using the procedures in §63.344(d)(5). An owner or operator may 

conduct multiple performance tests to establish a range of compliant pressure drop values, or may set as 

the compliant value the average pressure drop measured over the three test runs of one performance test 

and accept ±2 inches of water column from this value as the compliant range.

(ii) On and after the date on which the initial performance test is required to be completed under §63.7, 

except for hard chromium electroplaters and chromium anodizing operations in California, which have until 

January 25, 1998, the owner or operator of an affected source, or group of affected sources under common 

control, shall monitor and record the pressure drop across the composite mesh-pad system once each day 

that any affected source is operating. To be in compliance with the standards, the composite mesh-pad 

system shall be operated within ±2 inches of water column of the pressure drop value established during the 

initial performance test, or shall be operated within the range of compliant values for pressure drop 

established during multiple performance tests.

(iii) The owner or operator of an affected source complying with the emission limitations in §63.343 through 

the use of a composite mesh-pad system may repeat the performance test and establish as a new sitespecific operating parameter the pressure drop across the composite mesh-pad system according to the 

requirements in paragraphs (c)(1)(i) or (ii) of this section. To establish a new site-specific operating 

parameter for pressure drop, the owner or operator shall satisfy the requirements specified in paragraphs 

(c)(1)(iii)(A) through (D) of this section.

(A) Determine the outlet chromium concentration using the test methods and procedures in §63.344(c);

(B) Establish the site-specific operating parameter value using the procedures §63.344(d)(5);

(C) Satisfy the recordkeeping requirements in §63.346(b)(6) through (8); and

(D) Satisfy the reporting requirements in §63.347(d) and (f).

(iv) The requirement to operate a composite mesh-pad system within the range of pressure drop values 

established under paragraphs (c)(1)(i) through (iii) of this section does not apply during automatic washdown 

cycles of the composite mesh-pad system.
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(2) Packed-bed scrubber systems. (i) During the initial performance test, the owner or operator of an 

affected source, or group of affected sources under common control, complying with the emission limitations 

in §63.342 through the use of a packed-bed scrubber system shall determine the outlet chromium 

concentration using the procedures in §63.344(c), and shall establish as site-specific operating parameters 

the pressure drop across the system and the velocity pressure at the common inlet of the control device, 

setting the value that corresponds to compliance with the applicable emission limitation using the 

procedures in §63.344(d) (4) and (5). An owner or operator may conduct multiple performance tests to 

establish a range of compliant operating parameter values. Alternatively, the owner or operator may set as 

the compliant value the average pressure drop and inlet velocity pressure measured over the three test runs 

of one performance test, and accept ±1 inch of water column from the pressure drop value and ±10 percent 

from the velocity pressure value as the compliant range.

(ii) On and after the date on which the initial performance test is required to be completed under §63.7, 

except for hard chromium electroplaters and chromium anodizing operations in California which have until 

January 25, 1998, the owner or operator of an affected source, or group of affected sources under common 

control, shall monitor and record the velocity pressure at the inlet to the packed-bed system and the 

pressure drop across the scrubber system once each day that any affected source is operating. To be in 

compliance with the standards, the scrubber system shall be operated within ±10 percent of the velocity 

pressure value established during the initial performance test, and within ±1 inch of water column of the 

pressure drop value established during the initial performance test, or within the range of compliant 

operating parameter values established during multiple performance tests.

(3) Packed-bed scrubber/composite mesh-pad system. The owner or operator of an affected source, or 

group of affected sources under common control, that uses a packed-bed scrubber in conjunction with a 

composite mesh-pad system to meet the emission limitations of §63.342 shall comply with the monitoring 

requirements for composite mesh-pad systems as identified in paragraph (c)(1) of this section.

(4) Fiber-bed mist eliminator. (i) During the initial performance test, the owner or operator of an affected 

source, or group of affected sources under common control, complying with the emission limitations in 

§63.342 through the use of a fiber-bed mist eliminator shall determine the outlet chromium concentration 

using the procedures in §63.344(c), and shall establish as a site-specific operating parameter the pressure 

drop across the fiber-bed mist eliminator and the pressure drop across the control device installed upstream 

of the fiber bed to prevent plugging, setting the value that corresponds to compliance with the applicable 

emission limitation using the procedures in §63.344(d)(5). An owner or operator may conduct multiple 

performance tests to establish a range of compliant pressure drop values, or may set as the compliant value 

the average pressure drop measured over the three test runs of one performance test and accept ±1 inch of 

water column from this value as the compliant range.

(ii) On and after the date on which the initial performance test is required to be completed under §63.7, 

except for hard chromium electroplaters and chromium anodizing operations in California which have until 

January 25, 1998, the owner or operator of an affected source, or group of affected sources under common 

control, shall monitor and record the pressure drop across the fiber-bed mist eliminator, and the control 

device installed upstream of the fiber bed to prevent plugging, once each day that any affected source is 

operating. To be in compliance with the standards, the fiber-bed mist eliminator and the upstream control 

device shall be operated within ±1 inch of water column of the pressure drop value established during the 

initial performance test, or shall be operated within the range of compliant values for pressure drop 

established during multiple performance tests.

(5) Wetting agent-type or combination wetting agent-type/foam blanket fume suppressants. (i) During the 

initial performance test, the owner or operator of an affected source complying with the emission limitations 

in §63.342 through the use of a wetting agent in the electroplating or anodizing bath shall determine the 

outlet chromium concentration using the procedures in §63.344(c). The owner or operator shall establish as 

the site-specific operating parameter the surface tension of the bath using Method 306B, appendix A of this 

part, setting the maximum value that corresponds to compliance with the applicable emission limitation. In 

lieu of establishing the maximum surface tension during the performance test, the owner or operator may 

accept 45 dynes/cm as measured by a stalagmometer or 35 dynes/cm as measured by a tensiometer as the 

maximum surface tension value that corresponds to compliance with the applicable emission limitation. 

However, the owner or operator is exempt from conducting a performance test only if the criteria of 

paragraph (b)(2) of this section are met.
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(ii) On and after the date on which the initial performance test is required to be completed under §63.7, 

except for hard chromium electroplaters and chromium anodizing operations in California, which have until 

January 25, 1998, the owner or operator of an affected source shall monitor the surface tension of the 

electroplating or anodizing bath. Operation of the affected source at a surface tension greater than the value 

established during the performance test, or greater than 45 dynes/cm as measured by a stalagmometer or 

35 dynes/cm as measured by a tensiometer if the owner or operator is using this value in accordance with 

paragraph (c)(5)(i) of this section, shall constitute noncompliance with the standards. The surface tension 

shall be monitored according to the following schedule:

(A) The surface tension shall be measured once every 4 hours during operation of the tank with a 

stalagmometer or a tensiometer as specified in Method 306B, appendix A of this part.

(B) The time between monitoring can be increased if there have been no exceedances. The surface tension 

shall be measured once every 4 hours of tank operation for the first 40 hours of tank operation after the 

compliance date. Once there are no exceedances during 40 hours of tank operation, surface tension 

measurement may be conducted once every 8 hours of tank operation. Once there are no exceedances 

during 40 hours of tank operation, surface tension measurement may be conducted once every 40 hours of 

tank operation on an ongoing basis, until an exceedance occurs. The minimum frequency of monitoring 

allowed by this subpart is once every 40 hours of tank operation.

(C) Once an exceedance occurs as indicated through surface tension monitoring, the original monitoring 

schedule of once every 4 hours must be resumed. A subsequent decrease in frequency shall follow the 

schedule laid out in paragraph (c)(5)(ii)(B) of this section. For example, if an owner or operator had been 

monitoring an affected source once every 40 hours and an exceedance occurs, subsequent monitoring 

would take place once every 4 hours of tank operation. Once an exceedance does not occur for 40 hours of 

tank operation, monitoring can occur once every 8 hours of tank operation. Once an exceedance does not 

occur for 40 hours of tank operation on this schedule, monitoring can occur once every 40 hours of tank 

operation.

(iii) Once a bath solution is drained from the affected tank and a new solution added, the original monitoring 

schedule of once every 4 hours must be resumed, with a decrease in monitoring frequency allowed following 

the procedures of paragraphs (c)(5)(ii) (B) and (C) of this section.

(6) Foam blanket-type fume suppressants. (i) During the initial performance test, the owner or operator of an 

affected source complying with the emission limitations in §63.342 through the use of a foam blanket in the 

electroplating or anodizing bath shall determine the outlet chromium concentration using the procedures in 

§63.344(c), and shall establish as the site-specific operating parameter the thickness of the foam blanket, 

setting the minimum thickness that corresponds to compliance with the applicable emission limitation. In lieu 

of establishing the minimum foam blanket thickness during the performance test, the owner or operator may 

accept 2.54 centimeters (1 inch) as the minimum foam blanket thickness that corresponds to compliance 

with the applicable emission limitation. All foam blanket measurements must be taken in close proximity to 

the workpiece or cathode area in the plating tank(s).

(ii) On and after the date on which the initial performance test is required to be completed under §63.7, 

except for hard chromium electroplaters and chromium anodizing operations in California which have until 

January 25, 1998, the owner or operator of an affected source shall monitor the foam blanket thickness of 

the electroplating or anodizing bath. Operation of the affected source at a foam blanket thickness less than 

the value established during the performance test, or less than 2.54 cm (1 inch) if the owner or operator is 

using this value in accordance with paragraph (c)(6)(i) of this section, shall constitute noncompliance with 

the standards. The foam blanket thickness shall be measured according to the following schedule:

(A) The foam blanket thickness shall be measured once every 1 hour of tank operation.

(B) The time between monitoring can be increased if there have been no exceedances. The foam blanket 

thickness shall be measured once every hour of tank operation for the first 40 hours of tank operation after 

the compliance date. Once there are no exceedances for 40 hours of tank operation, foam blanket thickness 

measurement may be conducted once every 4 hours of tank operation. Once there are no exceedances 

during 40 hours of tank operation, foam blanket thickness measurement may be conducted once every 8 
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hours of tank operation on an ongoing basis, until an exceedance occurs. The minimum frequency of 

monitoring allowed by this subpart is once per 8 hours of tank operation.

(C) Once an exceedance occurs as indicated through foam blanket thickness monitoring, the original 

monitoring schedule of once every hour must be resumed. A subsequent decrease in frequency shall follow 

the schedule laid out in paragraph (c)(6)(ii)(B) of this section. For example, if an owner or operator had been 

monitoring an affected source once every 8 hours and an exceedance occurs, subsequent monitoring would 

take place once every hour of tank operation. Once an exceedance does not occur for 40 hours of tank 

operation, monitoring can occur once every 4 hours of tank operation. Once an exceedance does not occur 

for 40 hours of tank operation on this schedule, monitoring can occur once every 8 hours of tank operation.

(iii) Once a bath solution is drained from the affected tank and a new solution added, the original monitoring 

schedule of once every hour must be resumed, with a decrease in monitoring frequency allowed following 

the procedures of paragraphs (c)(6)(ii) (B) and (C) of this section.

(7) Fume suppressant/add-on control device. (i) If the owner or operator of an affected source uses both a 

fume suppressant and add-on control device and both are needed to comply with the applicable emission 

limit, monitoring requirements as identified in paragraphs (c) (1) through (6) of this section, and the work 

practice standards of Table 1 of §63.342, apply for each of the control techniques used.

(ii) If the owner or operator of an affected source uses both a fume suppressant and add-on control device, 

but only one of these techniques is needed to comply with the applicable emission limit, monitoring 

requirements as identified in paragraphs (c) (1) through (6) of this section, and work practice standards of 

Table 1 of §63.342, apply only for the control technique used to achieve compliance.

(8) Use of an alternative monitoring method. (i) Requests and approvals of alternative monitoring methods 

shall be considered in accordance with §63.8(f)(1), (f)(3), (f)(4), and (f)(5).

(ii) After receipt and consideration of an application for an alternative monitoring method, the Administrator 

may approve alternatives to any monitoring methods or procedures of this subpart including, but not limited 

to, the following:

(A) Alternative monitoring requirements when installation or use of monitoring devices specified in this 

subpart would not provide accurate measurements due to interferences caused by substances within the 

effluent gases; or

(B) Alternative locations for installing monitoring devices when the owner or operator can demonstrate that 

installation at alternate locations will enable accurate and representative measurements.

(d) An owner or operator who uses an air pollution control device not listed in this section shall submit a 

description of the device, test results collected in accordance with §63.344(c) verifying the performance of 

the device for reducing chromium emissions to the atmosphere to the level required by this subpart, a copy 

of the operation and maintenance plan referenced in §63.342(f) including operation and maintenance 

practices, and appropriate operating parameters that will be monitored to establish continuous compliance

with the standards. The monitoring plan submitted identifying the continuous compliance monitoring is 

subject to the Administrator's approval.

[60 FR 4963, Jan. 25, 1995; 60 FR 33122, June 27, 1995, as amended at 62 FR 42920, Aug. 11, 1997; 68 

FR 37347, June 23, 2003; 69 FR 42895, July 19, 2004]

§ 63.344 Performance test requirements and test methods.

(a) Performance test requirements. Performance tests shall be conducted using the test methods and 

procedures in this section and §63.7. Performance test results shall be documented in complete test reports 

that contain the information required by paragraphs (a)(1) through (a)(9) of this section. The test plan to be 

followed shall be made available to the Administrator prior to the testing, if requested.
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(1) A brief process description;

(2) Sampling location description(s);

(3) A description of sampling and analytical procedures and any modifications to standard procedures;

(4) Test results;

(5) Quality assurance procedures and results;

(6) Records of operating conditions during the test, preparation of standards, and calibration procedures;

(7) Raw data sheets for field sampling and field and laboratory analyses;

(8) Documentation of calculations; and

(9) Any other information required by the test method.

(b)(1) If the owner or operator of an affected source conducts performance testing at startup to obtain an 

operating permit in the State in which the affected source is located, the results of such testing may be used 

to demonstrate compliance with this subpart if:

(i) The test methods and procedures identified in paragraph (c) of this section were used during the 

performance test;

(ii) The performance test was conducted under representative operating conditions for the source;

(iii) The performance test report contains the elements required by paragraph (a) of this section; and

(iv) The owner or operator of the affected source for which the performance test was conducted has 

sufficient data to establish the operating parameter value(s) that correspond to compliance with the 

standards, as required for continuous compliance monitoring under §63.343(c).

(2) The results of tests conducted prior to December 1991 in which Method 306A, appendix A of this part, 

was used to demonstrate the performance of a control technique are not acceptable.

(c) Test methods. Each owner or operator subject to the provisions of this subpart and required by 

§63.343(b) to conduct an initial performance test shall use the test methods identified in this section to 

demonstrate compliance with the standards in §63.342.

(1) Method 306 or Method 306A, “Determination of Chromium Emissions From Decorative and Hard 

Chromium Electroplating and Anodizing Operations,” appendix A of this part shall be used to determine the 

chromium concentration from hard or decorative chromium electroplating tanks or chromium anodizing 

tanks. The sampling time and sample volume for each run of Methods 306 and 306A, appendix A of this part 

shall be at least 120 minutes and 1.70 dscm (60 dscf), respectively. Methods 306 and 306A, appendix A of 

this part allow the measurement of either total chromium or hexavalent chromium emissions. For the 

purposes of this standard, sources using chromic acid baths can demonstrate compliance with the emission 

limits of §63.342 by measuring either total chromium or hexavalent chromium. Hence, the hexavalent 

chromium concentration measured by these methods is equal to the total chromium concentration for the 

affected operations.

(2) The California Air Resources Board (CARB) Method 425 (which is available by contacting the California 

Air Resources Board, 1102 Q Street, Sacramento, California 95814) may be used to determine the 

chromium concentration from hard and decorative chromium electroplating tanks and chromium anodizing 

tanks if the following conditions are met:
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(i) If a colorimetric analysis method is used, the sampling time and volume shall be sufficient to result in 33 

to 66 micrograms of catch in the sampling train.

(ii) If Atomic Absorption Graphite Furnace (AAGF) or Ion Chromatography with a Post-column Reactor 

(ICPCR) analyses were used, the sampling time and volume should be sufficient to result in a sample catch 

that is 5 to 10 times the minimum detection limit of the analytical method (i.e., 1.0 microgram per liter of 

sample for AAGF and 0.5 microgram per liter of sample for ICPCR).

(iii) In the case of either paragraph (c)(2) (i) or (ii) of this section, a minimum of 3 separate runs must be 

conducted. The other requirements of §63.7 that apply to affected sources, as indicated in Table 1 of this 

subpart, must also be met.

(3) Method 306B, “Surface Tension Measurement and Recordkeeping for Tanks Used at Decorative 

Chromium Electroplating and Anodizing Facilities,” appendix A of this part shall be used to measure the 

surface tension of electroplating and anodizing baths.

(4) Alternate test methods may also be used if the method has been validated using Method 301, appendix 

A of this part and if approved by the Administrator. Procedures for requesting and obtaining approval are 

contained in §63.7(f).

(d) Establishing site-specific operating parameter values. (1) Each owner or operator required to establish 

site-specific operating parameters shall follow the procedures in this section.

(2) All monitoring equipment shall be installed such that representative measurements of emissions or 

process parameters from the affected source are obtained. For monitoring equipment purchased from a 

vendor, verification of the operational status of the monitoring equipment shall include execution of the 

manufacturer's written specifications or recommendations for installation, operation, and calibration of the 

system.

(i) Specifications for differential pressure measurement devices used to measure velocity pressure shall be 

in accordance with section 2.2 of Method 2 (40 CFR part 60, appendix A).

(ii) Specification for differential pressure measurement devices used to measure pressure drop across a 

control system shall be in accordance with manufacturer's accuracy specifications.

(3) The surface tension of electroplating and anodizing baths shall be measured using Method 306B, 

“Surface Tension Measurement and Recordkeeping for Tanks used at Decorative Chromium Electroplating 

and Anodizing Facilities,” appendix A of this part. This method should also be followed when wetting agent 

type or combination wetting agent/foam blanket type fume suppressants are used to control chromium 

emissions from a hard chromium electroplating tank and surface tension measurement is conducted to 

demonstrate continuous compliance.

(4) The owner or operator of a source required to measure the velocity pressure at the inlet to an add-on air 

pollution control device in accordance with §63.343(c)(2), shall establish the site-specific velocity pressure 

as follows:

(i) Locate a velocity traverse port in a section of straight duct that connects the hooding on the plating tank 

or tanks with the control device. The port shall be located as close to the control system as possible, and 

shall be placed a minimum of 2 duct diameters downstream and 0.5 diameter upstream of any flow 

disturbance such as a bend, expansion, or contraction (see Method 1, 40 CFR part 60, appendix A). If 2.5 

diameters of straight duct work does not exist, locate the port 0.8 of the duct diameter downstream and 0.2 

of the duct diameter upstream from any flow disturbance.

(ii) A 12-point velocity traverse of the duct to the control device shall be conducted along a single axis 

according to Method 2 (40 CFR part 60, appendix A) using an S-type pitot tube; measurement of the 

barometric pressure and duct temperature at each traverse point is not required, but is suggested. Mark the 

S-type pitot tube as specified in Method 1 (40 CFR part 60, appendix A) with 12 points. Measure the velocity 

pressure (Δ p) values for the velocity points and record. Determine the square root of the individual velocity 
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point Δ p values and average. The point with the square root value that comes closest to the average square 

root value is the point of average velocity. The Δ p value measured for this point during the performance test 

will be used as the reference for future monitoring.

(5) The owner or operator of a source required to measure the pressure drop across the add-on air pollution 

control device in accordance with §63.343(c) (1) through (4) may establish the pressure drop in accordance 

with the following guidelines:

(i) Pressure taps shall be installed at any of the following locations:

(A) At the inlet and outlet of the control system. The inlet tap should be installed in the ductwork just prior to 

the control device and the corresponding outlet pressure tap should be installed on the outlet side of the 

control device prior to the blower or on the downstream side of the blower;

(B) On each side of the packed bed within the control system or on each side of each mesh pad within the 

control system; or

(C) On the front side of the first mesh pad and back side of the last mesh pad within the control system.

(ii) Pressure taps shall be sited at locations that are:

(A) Free from pluggage as possible and away from any flow disturbances such as cyclonic demisters.

(B) Situated such that no air infiltration at measurement site will occur that could bias the measurement.

(iii) Pressure taps shall be constructed of either polyethylene, polybutylene, or other nonreactive materials.

(iv) Nonreactive plastic tubing shall be used to connect the pressure taps to the device used to measure 

pressure drop.

(v) Any of the following pressure gauges can be used to monitor pressure drop: a magnehelic gauge, an 

inclined manometer, or a “U” tube manometer.

(vi) Prior to connecting any pressure lines to the pressure gauge(s), each gauge should be zeroed. No 

calibration of the pressure gauges is required.

(e) Special compliance provisions for multiple sources controlled by a common add-on air pollution control 

device. (1) This section identifies procedures for measuring the outlet chromium concentration from an addon air pollution control device that is used to control multiple sources that may or may not include sources 

not affected by this subpart.

(2) When multiple affected sources performing the same type of operation (e.g., all are performing hard 

chromium electroplating), and subject to the same emission limitation, are controlled with an add-on air 

pollution control device that is not controlling emissions from any other type of affected operation or from any 

nonaffected sources, the applicable emission limitation identified in §63.342 must be met at the outlet of the 

add-on air pollution control device.

(3) When multiple affected sources performing the same type of operation and subject to the same emission 

limitation are controlled with a common add-on air pollution control device that is also controlling emissions 

from sources not affected by these standards, the following procedures should be followed to determine 

compliance with the applicable emission limitation in §63.342:

(i) Calculate the cross-sectional area of each inlet duct (i.e., uptakes from each hood) including those not 

affected by the standard.
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(ii) Determine the total sample time per test run by dividing the total inlet area from all tanks connected to the 

control system by the total inlet area for all ducts associated with affected sources, and then multiply this 

number by 2 hours. The calculated time is the minimum sample time required per test run.

(iii) Perform Method 306 testing and calculate an outlet mass emission rate.

(iv) Determine the total ventilation rate from the affected sources by using equation 1:

where VRtotis the average total ventilation rate in dscm/min for the three test runs as determined 

at the outlet by means of the Method 306 testing; IDAi

is the total inlet area for all ducts associated 

with affected sources; IAtotalis the sum of all inlet duct areas from both affected and nonaffected 

sources; and VRinletis the total ventilation rate from all inlet ducts associated with affected 

sources.

(v) Establish the allowable mass emission rate of the system (AMRsys) in milligrams of total chromium per 

hour (mg/hr) using equation 2:

where Σ VRinletis the total ventilation rate in dscm/min from the affected sources, and EL is the 

applicable emission limitation from §63.342 in mg/dscm. The allowable mass emission rate 

(AMRsys) calculated from equation 2 should be equal to or more than the outlet three-run average 

mass emission rate determined from Method 306 testing in order for the source to be in 

compliance with the standard.

(4) When multiple affected sources performing different types of operations (e.g., hard chromium 

electroplating, decorative chromium electroplating, or chromium anodizing) are controlled by a common addon air pollution control device that may or may not also be controlling emissions from sources not affected 

by these standards, or if the affected sources controlled by the common add-on air pollution control device 

perform the same operation but are subject to different emission limitations (e.g., because one is a new hard 

chromium plating tank and one is an existing small, hard chromium plating tank), the following procedures 

should be followed to determine compliance with the applicable emission limitation in §63.342:

(i) Follow the steps outlined in paragraphs (e)(3)(i) through (e)(3)(iii) of this section.

(ii) Determine the total ventilation rate for each type of affected source using equation 3:

where VRtotis the average total ventilation rate in dscm/min for the three test runs as determined 

at the outlet by means of the Method 306 testing; IDAi,ais the total inlet duct area for all ducts 

conveying chromic acid from each type of affected source performing the same operation, or 

each type of affected source subject to the same emission limitation; IAtotalis the sum of all duct 

areas from both affected and nonaffected sources; and VRinlet,ais the total ventilation rate from all 

inlet ducts conveying chromic acid from each type of affected source performing the same 

operation, or each type of affected source subject to the same emission limitation.
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(iii) Establish the allowable mass emission rate in mg/hr for each type of affected source that is controlled by 

the add-on air pollution control device using equation 4, 5, 6, or 7 as appropriate:

VRhc1× ELhc1× 60 minutes/hour = AMRhc1 (4)

VRhc2× ELhc2× 60 minutes/hour = AMRhc2 (5)

VRdc× ELdc× 60 minutes/hour = AMRdc (6)

VRca× ELca× 60 minutes/hour = AMRca (7)

where “hc” applies to the total of ventilation rates for all hard chromium electroplating tanks 

subject to the same emission limitation, “dc” applies to the total of ventilation rates for the 

decorative chromium electroplating tanks, “ca” applies to the total of ventilation rates for the 

chromium anodizing tanks, and EL is the applicable emission limitation from §63.342 in mg/dscm. 

There are two equations for hard chromium electroplating tanks because different emission 

limitations may apply (e.g., a new tank versus an existing, small tank).

(iv) Establish the allowable mass emission rate (AMR) in mg/hr for the system using equation 8, including 

each type of affected source as appropriate:

AMRhc1+ AMRhc2+ AMRdc+ AMRca= AMRsys (8)

The allowable mass emission rate calculated from equation 8 should be equal to or more than the outlet 

three-run average mass emission rate determined from Method 306 testing in order for the source to be in 

compliance with the standards.

(5) Each owner or operator that uses the special compliance provisions of this paragraph to demonstrate 

compliance with the emission limitations of §63.342 shall submit the measurements and calculations to 

support these compliance methods with the notification of compliance status required by §63.347(e).

(6) Each owner or operator that uses the special compliance provisions of this section to demonstrate 

compliance with the emission limitations of §63.342 shall repeat these procedures if a tank is added or 

removed from the control system regardless of whether that tank is a nonaffected source. If the new 

nonaffected tank replaces an existing nonaffected tank of the same size and is connected to the control 

system through the same size inlet duct then this procedure does not have to be repeated.

(f) Compliance provisions for the mass rate emission standard for enclosed hard chromium electroplating 

tanks. (1) This section identifies procedures for calculating the maximum allowable mass emission rate for 

owners or operators of affected sources who choose to meet the mass emission rate standard in 

§63.342(c)(2)(iv) or (v).

(i)(A) The owner or operator of an enclosed hard chromium electroplating tank that is an affected source 

other than an existing affected source located at a small hard chromium electroplating facility who chooses 

to meet the mass emission rate standard in §63.342(c)(2)(iv) shall determine compliance by not allowing the 

mass rate of total chromium in the exhaust gas stream discharged to the atmosphere to exceed the 

maximum allowable mass emission rate calculated using equation 9:

MAMER = ETSA × K × 0.015 mg/dscm (9)

Where:

MAMER = the alternative emission rate for enclosed hard chromium electroplating tanks in mg/hr.

ETSA = the hard chromium electroplating tank surface area in square feet(ft2 ).
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K = a conversion factor, 425 dscm/(ft2 × hr).

(B) Compliance with the alternative mass emission limit is demonstrated if the three-run average mass 

emission rate determined from Method 306 testing is less than or equal to the maximum allowable mass 

emission rate calculated from equation 9.

(ii)(A) The owner or operator of an enclosed hard chromium electroplating tank that is an existing affected 

source located at a small hard chromium electroplating facility who chooses to meet the mass emission rate 

standard in §63.342(c)(2)(v) shall determine compliance by not allowing the mass rate of total chromium in 

the exhaust gas stream discharged to the atmosphere to exceed the maximum allowable mass emission 

rate calculated using equation 10:

MAMER = ETSA × K × 0.03 mg/dscm. (10)

(B) Compliance with the alternative mass emission limit is demonstrated if the three-run average mass 

emission rate determined from testing using Method 306 of appendix A to part 63 is less than or equal to the 

maximum allowable mass emission rate calculated from equation 10.

[60 FR 4963, Jan. 25, 1995, as amended at 61 FR 27787, June 3, 1996; 69 FR 42896, July 19, 2004]

§ 63.345 Provisions for new and reconstructed sources.

(a) This section identifies the preconstruction review requirements for new and reconstructed affected 

sources that are subject to, or become subject to, this subpart.

(b) New or reconstructed affected sources. The owner or operator of a new or reconstructed affected source 

is subject to §63.5(a), (b)(1), (b)(5), (b)(6), and (f)(1), as well as the provisions of this paragraph.

(1) After January 25, 1995, whether or not an approved permit program is effective in the State in which an 

affected source is (or would be) located, no person may construct a new affected source or reconstruct an 

affected source subject to this subpart, or reconstruct a source such that it becomes an affected source 

subject to this subpart, without submitting a notification of construction or reconstruction to the Administrator. 

The notification shall contain the information identified in paragraphs (b) (2) and (3) of this section, as 

appropriate.

(2) The notification of construction or reconstruction required under paragraph (b)(1) of this section shall 

include:

(i) The owner or operator's name, title, and address;

(ii) The address (i.e., physical location) or proposed address of the affected source if different from the 

owner's or operator's;

(iii) A notification of intention to construct a new affected source or make any physical or operational 

changes to an affected source that may meet or has been determined to meet the criteria for a 

reconstruction as defined in §63.2;

(iv) An identification of subpart N of this part as the basis for the notification;

(v) The expected commencement and completion dates of the construction or reconstruction;

(vi) The anticipated date of (initial) startup of the affected source;

(vii) The type of process operation to be performed (hard or decorative chromium electroplating, or 

chromium anodizing);
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(viii) A description of the air pollution control technique to be used to control emissions from the affected 

source, such as preliminary design drawings and design capacity if an add-on air pollution control device is 

used; and

(ix) An estimate of emissions from the source based on engineering calculations and vendor information on 

control device efficiency, expressed in units consistent with the emission limits of this subpart. Calculations 

of emission estimates should be in sufficient detail to permit assessment of the validity of the calculations.

(3) If a reconstruction is to occur, the notification required under paragraph (b)(1) of this section shall include 

the following in addition to the information required in paragraph (b)(2) of this section:

(i) A brief description of the affected source and the components to be replaced;

(ii) A brief description of the present and proposed emission control technique, including the information 

required by paragraphs (b)(2) (viii) and (ix) of this section;

(iii) An estimate of the fixed capital cost of the replacements and of constructing a comparable entirely new 

source;

(iv) The estimated life of the affected source after the replacements; and

(v) A discussion of any economic or technical limitations the source may have in complying with relevant 

standards or other requirements after the proposed replacements. The discussion shall be sufficiently 

detailed to demonstrate to the Administrator's satisfaction that the technical or economic limitations affect 

the source's ability to comply with the relevant standard and how they do so.

(vi) If in the notification of reconstruction, the owner or operator designates the affected source as a 

reconstructed source and declares that there are no economic or technical limitations to prevent the source 

from complying with all relevant standards or requirements, the owner or operator need not submit the 

information required in paragraphs (b)(3) (iii) through (v) of this section.

(4) The owner or operator of a new or reconstructed affected source that submits a notification in 

accordance with paragraphs (b) (1) through (3) of this section is not subject to approval by the Administrator. 

Construction or reconstruction is subject only to notification and can begin upon submission of a complete 

notification.

(5) Submittal timeframes. After January 25, 1995, whether or not an approved permit program is effective in 

the State in which an affected source is (or would be) located, an owner or operator of a new or 

reconstructed affected source shall submit the notification of construction or reconstruction required by 

paragraph (b)(1) of this section according to the following schedule:

(i) If construction or reconstruction commences after January 25, 1995, the notification shall be submitted as 

soon as practicable before the construction or reconstruction is planned to commence.

(ii) If the construction or reconstruction had commenced and initial startup had not occurred before January 

25, 1995, the notification shall be submitted as soon as practicable before startup but no later than 60 days 

after January 25, 1995.

§ 63.346 Recordkeeping requirements.

(a) The owner or operator of each affected source subject to these standards shall fulfill all recordkeeping 

requirements outlined in this section and in the General Provisions to 40 CFR part 63, according to the 

applicability of subpart A of this part as identified in Table 1 of this subpart.

(b) The owner or operator of an affected source subject to the provisions of this subpart shall maintain the 

following records for such source:
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(1) Inspection records for the add-on air pollution control device, if such a device is used, and monitoring 

equipment, to document that the inspection and maintenance required by the work practice standards of 

§63.342(f) and Table 1 of §63.342 have taken place. The record can take the form of a checklist and should 

identify the device inspected, the date of inspection, a brief description of the working condition of the device 

during the inspection, and any actions taken to correct deficiencies found during the inspection.

(2) Records of all maintenance performed on the affected source, the add-on air pollution control device, 

and monitoring equipment;

(3) Records of the occurrence, duration, and cause (if known) of each malfunction of process, add-on air 

pollution control, and monitoring equipment;

(4) Records of actions taken during periods of malfunction when such actions are inconsistent with the 

operation and maintenance plan;

(5) Other records, which may take the form of checklists, necessary to demonstrate consistency with the 

provisions of the operation and maintenance plan required by §63.342(f)(3);

(6) Test reports documenting results of all performance tests;

(7) All measurements as may be necessary to determine the conditions of performance tests, including 

measurements necessary to determine compliance with the special compliance procedures of §63.344(e);

(8) Records of monitoring data required by §63.343(c) that are used to demonstrate compliance with the 

standard including the date and time the data are collected;

(9) The specific identification (i.e., the date and time of commencement and completion) of each period of 

excess emissions, as indicated by monitoring data, that occurs during malfunction of the process, add-on air 

pollution control, or monitoring equipment;

(10) The specific identification (i.e., the date and time of commencement and completion) of each period of 

excess emissions, as indicated by monitoring data, that occurs during periods other than malfunction of the 

process, add-on air pollution control, or monitoring equipment;

(11) The total process operating time of the affected source during the reporting period;

(12) Records of the actual cumulative rectifier capacity of hard chromium electroplating tanks at a facility 

expended during each month of the reporting period, and the total capacity expended to date for a reporting 

period, if the owner or operator is using the actual cumulative rectifier capacity to determine facility size in 

accordance with §63.342(c)(2);

(13) For sources using fume suppressants to comply with the standards, records of the date and time that 

fume suppressants are added to the electroplating or anodizing bath;

(14) For sources complying with §63.342(e), records of the bath components purchased, with the wetting 

agent clearly identified as a bath constituent contained in one of the components;

(15) Any information demonstrating whether a source is meeting the requirements for a waiver of 

recordkeeping or reporting requirements, if the source has been granted a waiver under §63.10(f); and

(16) All documentation supporting the notifications and reports required by §63.9, §63.10, and §63.347.

(c) All records shall be maintained for a period of 5 years in accordance with §63.10(b)(1).

§ 63.347 Reporting requirements.
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(a) The owner or operator of each affected source subject to these standards shall fulfill all reporting 

requirements outlined in this section and in the General Provisions to 40 CFR part 63, according to the 

applicability of subpart A as identified in Table 1 of this subpart. These reports shall be made to the 

Administrator at the appropriate address as identified in §63.13 or to the delegated State authority.

(1) Reports required by subpart A of this part and this section may be sent by U.S. mail, fax, or by another 

courier.

(i) Submittals sent by U.S. mail shall be postmarked on or before the specified date.

(ii) Submittals sent by other methods shall be received by the Administrator on or before the specified date.

(2) If acceptable to both the Administrator and the owner or operator of an affected source, reports may be 

submitted on electronic media.

(b) The reporting requirements of this section apply to the owner or operator of an affected source when 

such source becomes subject to the provisions of this subpart.

(c) Initial notifications. (1) The owner or operator of an affected source that has an initial startup before 

January 25, 1995, shall notify the Administrator in writing that the source is subject to this subpart. The 

notification shall be submitted no later than 180 calendar days after January 25, 1995, and shall contain the 

following information:

(i) The name, title, and address of the owner or operator;

(ii) The address (i.e., physical location) of each affected source;

(iii) A statement that subpart N of this part is the basis for this notification;

(iv) Identification of the applicable emission limitation and compliance date for each affected source;

(v) A brief description of each affected source, including the type of process operation performed;

(vi) For sources performing hard chromium electroplating, the maximum potential cumulative potential 

rectifier capacity;

(vii) For sources performing hard chromium electroplating, a statement of whether the affected source(s) is 

located at a small or a large, hard chromium electroplating facility and whether this will be demonstrated 

through actual or maximum potential cumulative rectifier capacity;

(viii) For sources performing hard chromium electroplating, a statement of whether the owner or operator of 

an affected source(s) will limit the maximum potential cumulative rectifier capacity in accordance with 

§63.342(c)(2) such that the hard chromium electroplating facility is considered small; and

(ix) A statement of whether the affected source is located at a major source or an area source as defined in 

§63.2.

(2) The owner or operator of a new or reconstructed affected source that has an initial startup after January 

25, 1995 shall submit an initial notification (in addition to the notification of construction or reconstruction 

required by §63.345(b) as follows:

(i) A notification of the date when construction or reconstruction was commenced, shall be submitted 

simultaneously with the notification of construction or reconstruction, if construction or reconstruction was 

commenced before January 25, 1995;
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(ii) A notification of the date when construction or reconstruction was commenced, shall be submitted no 

later than 30 calendar days after such date, if construction or reconstruction was commenced after January 

25, 1995; and

(iii) A notification of the actual date of startup of the source shall be submitted within 30 calendar days after 

such date.

(d) Notification of performance test. (1) The owner or operator of an affected source shall notify the 

Administrator in writing of his or her intention to conduct a performance test at least 60 calendar days before 

the test is scheduled to begin to allow the Administrator to have an observer present during the test. 

Observation of the performance test by the Administrator is optional.

(2) In the event the owner or operator is unable to conduct the performance test as scheduled, the 

provisions of §63.7(b)(2) apply.

(e) Notification of compliance status. (1) A notification of compliance status is required each time that an 

affected source becomes subject to the requirements of this subpart.

(2) If the State in which the source is located has not been delegated the authority to implement the rule, 

each time a notification of compliance status is required under this part, the owner or operator of an affected 

source shall submit to the Administrator a notification of compliance status, signed by the responsible official 

(as defined in §63.2) who shall certify its accuracy, attesting to whether the affected source has complied 

with this subpart. If the State has been delegated the authority, the notification of compliance status shall be 

submitted to the appropriate authority. The notification shall list for each affected source:

(i) The applicable emission limitation and the methods that were used to determine compliance with this 

limitation;

(ii) If a performance test is required by this subpart, the test report documenting the results of the 

performance test, which contains the elements required by §63.344(a), including measurements and 

calculations to support the special compliance provisions of §63.344(e) if these are being followed;

(iii) The type and quantity of hazardous air pollutants emitted by the source reported in mg/dscm or mg/hr if 

the source is using the special provisions of §63.344(e) to comply with the standards. (If the owner or 

operator is subject to the construction and reconstruction provisions of §63.345 and had previously 

submitted emission estimates, the owner or operator shall state that this report corrects or verifies the 

previous estimate.) For sources not required to conduct a performance test in accordance with §63.343(b), 

the surface tension measurement may fulfill this requirement;

(iv) For each monitored parameter for which a compliant value is to be established under §63.343(c), the 

specific operating parameter value, or range of values, that corresponds to compliance with the applicable 

emission limit;

(v) The methods that will be used to determine continuous compliance, including a description of monitoring 

and reporting requirements, if methods differ from those identified in this subpart;

(vi) A description of the air pollution control technique for each emission point;

(vii) A statement that the owner or operator has completed and has on file the operation and maintenance 

plan as required by the work practice standards in §63.342(f);

(viii) If the owner or operator is determining facility size based on actual cumulative rectifier capacity in 

accordance with §63.342(c)(2), records to support that the facility is small. For existing sources, records 

from any 12-month period preceding the compliance date shall be used or a description of how operations 

will change to meet a small designation shall be provided. For new sources, records of projected rectifier 

capacity for the first 12-month period of tank operation shall be used;
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(ix) A statement by the owner or operator of the affected source as to whether the source has complied with 

the provisions of this subpart.

(3) For sources required to conduct a performance test by §63.343(b), the notification of compliance status 

shall be submitted to the Administrator no later than 90 calendar days following completion of the 

compliance demonstration required by §63.7 and §63.343(b).

(4) For sources that are not required to complete a performance test in accordance with §63.343(b), the 

notification of compliance status shall be submitted to the Administrator no later than 30 days after the 

compliance date specified in §63.343(a), except the date on which sources in California shall monitor the 

surface tension of the anodizing bath is extended to January 25, 1998.

(f) Reports of performance test results. (1) If the State in which the source is located has not been delegated 

the authority to implement the rule, the owner or operator of an affected source shall report to the 

Administrator the results of any performance test conducted as required by §63.7 or §63.343(b). If the State 

has been delegated the authority, the owner or operator of an affected source should report performance 

test results to the appropriate authority.

(2) Reports of performance test results shall be submitted no later than 90 days following the completion of 

the performance test, and shall be submitted as part of the notification of compliance status required by 

paragraph (e) of this section.

(g) Ongoing compliance status reports for major sources. (1) The owner or operator of an affected source 

that is located at a major source site shall submit a summary report to the Administrator to document the 

ongoing compliance status of the affected source. The report shall contain the information identified in 

paragraph (g)(3) of this section, and shall be submitted semiannually except when:

(i) The Administrator determines on a case-by-case basis that more frequent reporting is necessary to 

accurately assess the compliance status of the source; or

(ii) The monitoring data collected by the owner or operator of the affected source in accordance with 

§63.343(c) show that the emission limit has been exceeded, in which case quarterly reports shall be 

submitted. Once an owner or operator of an affected source reports an exceedance, ongoing compliance 

status reports shall be submitted quarterly until a request to reduce reporting frequency under paragraph 

(g)(2) of this section is approved.

(2) Request to reduce frequency of ongoing compliance status reports. (i) An owner or operator who is 

required to submit ongoing compliance status reports on a quarterly (or more frequent basis) may reduce 

the frequency of reporting to semiannual if all of the following conditions are met:

(A) For 1 full year (e.g., 4 quarterly or 12 monthly reporting periods), the ongoing compliance status reports 

demonstrate that the affected source is in compliance with the relevant emission limit;

(B) The owner or operator continues to comply with all applicable recordkeeping and monitoring 

requirements of subpart A of this part and this subpart; and

(C) The Administrator does not object to a reduced reporting frequency for the affected source, as provided 

in paragraphs (g)(2) (ii) and (iii) of this section.

(ii) The frequency of submitting ongoing compliance status reports may be reduced only after the owner or 

operator notifies the Administrator in writing of his or her intention to make such a change, and the 

Administrator does not object to the intended change. In deciding whether to approve a reduced reporting 

frequency, the Administrator may review information concerning the source's entire previous performance 

history during the 5-year recordkeeping period prior to the intended change, or the recordkeeping period 

since the source's compliance date, whichever is shorter. Records subject to review may include 

performance test results, monitoring data, and evaluations of an owner or operator's conformance with 

emission limitations and work practice standards. Such information may be used by the Administrator to 

make a judgment about the source's potential for noncompliance in the future. If the Administrator 
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disapproves the owner or operator's request to reduce reporting frequency, the Administrator will notify the 

owner or operator in writing within 45 days after receiving notice of the owner or operator's intention. The 

notification from the Administrator to the owner or operator will specify the grounds on which the disapproval 

is based. In the absence of a notice of disapproval within 45 days, approval is automatically granted.

(iii) As soon as the monitoring data required by §63.343(c) show that the source is not in compliance with 

the relevant emission limit, the frequency of reporting shall revert to quarterly, and the owner shall state this 

exceedance in the ongoing compliance status report for the next reporting period. After demonstrating 

ongoing compliance with the relevant emission limit for another full year, the owner or operator may again 

request approval from the Administrator to reduce the reporting frequency as allowed by paragraph (g)(2) of 

this section.

(3) Contents of ongoing compliance status reports. The owner or operator of an affected source for which 

compliance monitoring is required in accordance with §63.343(c) shall prepare a summary report to 

document the ongoing compliance status of the source. The report must contain the following information:

(i) The company name and address of the affected source;

(ii) An identification of the operating parameter that is monitored for compliance determination, as required 

by §63.343(c);

(iii) The relevant emission limitation for the affected source, and the operating parameter value, or range of 

values, that correspond to compliance with this emission limitation as specified in the notification of 

compliance status required by paragraph (e) of this section;

(iv) The beginning and ending dates of the reporting period;

(v) A description of the type of process performed in the affected source;

(vi) The total operating time of the affected source during the reporting period;

(vii) If the affected source is a hard chromium electroplating tank and the owner or operator is limiting the 

maximum cumulative rectifier capacity in accordance with §63.342(c)(2), the actual cumulative rectifier 

capacity expended during the reporting period, on a month-by-month basis;

(viii) A summary of operating parameter values, including the total duration of excess emissions during the 

reporting period as indicated by those values, the total duration of excess emissions expressed as a percent 

of the total source operating time during that reporting period, and a breakdown of the total duration of 

excess emissions during the reporting period into those that are due to process upsets, control equipment 

malfunctions, other known causes, and unknown causes;

(ix) A certification by a responsible official, as defined in §63.2, that the work practice standards in §63.342(f) 

were followed in accordance with the operation and maintenance plan for the source;

(x) If the operation and maintenance plan required by §63.342(f)(3) was not followed, an explanation of the 

reasons for not following the provisions, an assessment of whether any excess emission and/or parameter 

monitoring exceedances are believed to have occurred, and a copy of the report(s) required by 

§63.342(f)(3)(iv) documenting that the operation and maintenance plan was not followed;

(xi) A description of any changes in monitoring, processes, or controls since the last reporting period;

(xii) The name, title, and signature of the responsible official who is certifying the accuracy of the report; and

(xiii) The date of the report.
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(4) When more than one monitoring device is used to comply with the continuous compliance monitoring 

required by §63.343(c), the owner or operator shall report the results as required for each monitoring device. 

However, when one monitoring device is used as a backup for the primary monitoring device, the owner or 

operator shall only report the results from the monitoring device used to meet the monitoring requirements of 

this subpart. If both devices are used to meet these requirements, then the owner or operator shall report 

the results from each monitoring device for the relevant compliance period.

(h) Ongoing compliance status reports for area sources. The requirements of this paragraph do not alleviate 

affected area sources from complying with the requirements of State or Federal operating permit programs 

under 40 CFR part 71.

(1) The owner or operator of an affected source that is located at an area source site shall prepare a 

summary report to document the ongoing compliance status of the affected source. The report shall contain 

the information identified in paragraph (g)(3) of this section, shall be completed annually and retained on 

site, and made available to the Administrator upon request. The report shall be completed annually except 

as provided in paragraph (h)(2) of this section.

(2) Reports of exceedances. (i) If both of the following conditions are met, semiannual reports shall be 

prepared and submitted to the Administrator:

(A) The total duration of excess emissions (as indicated by the monitoring data collected by the owner or 

operator of the affected source in accordance with §63.343(c)) is 1 percent or greater of the total operating 

time for the reporting period; and

(B) The total duration of malfunctions of the add-on air pollution control device and monitoring equipment is 

5 percent or greater of the total operating time.

(ii) Once an owner or operator of an affected source reports an exceedance as defined in paragraph (h)(2)(i) 

of this section, ongoing compliance status reports shall be submitted semiannually until a request to reduce 

reporting frequency under paragraph (h)(3) of this section is approved.

(iii) The Administrator may determine on a case-by-case basis that the summary report shall be completed 

more frequently and submitted, or that the annual report shall be submitted instead of being retained on site, 

if these measures are necessary to accurately assess the compliance status of the source.

(3) Request to reduce frequency of ongoing compliance status reports. (i) An owner or operator who is 

required to submit ongoing compliance status reports on a semiannual (or more frequent) basis, or is 

required to submit its annual report instead of retaining it on site, may reduce the frequency of reporting to 

annual and/or be allowed to maintain the annual report onsite if all of the following conditions are met:

(A) For 1 full year (e.g., 2 semiannual or 4 quarterly reporting periods), the ongoing compliance status 

reports demonstrate that the affected source is in compliance with the relevant emission limit;

(B) The owner or operator continues to comply with all applicable recordkeeping and monitoring 

requirements of subpart A of this part and this subpart; and

(C) The Administrator does not object to a reduced reporting frequency for the affected source, as provided 

in paragraphs (h)(3) (ii) and (iii) of this section.

(ii) The frequency of submitting ongoing compliance status reports may be reduced only after the owner or 

operator notifies the Administrator in writing of his or her intention to make such a change, and the 

Administrator does not object to the intended change. In deciding whether to approve a reduced reporting 

frequency, the Administrator may review information concerning the source's previous performance history 

during the 5-year recordkeeping period prior to the intended change, or the recordkeeping period since the 

source's compliance date, whichever is shorter. Records subject to review may include performance test 

results, monitoring data, and evaluations of an owner or operator's conformance with emission limitations 

and work practice standards. Such information may be used by the Administrator to make a judgement 

about the source's potential for noncompliance in the future. If the Administrator disapproves the owner or 
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operator's request to reduce reporting frequency, the Administrator will notify the owner or operator in writing 

within 45 days after receiving notice of the owner or operator's intention. The notification from the 

Administrator to the owner or operator will specify the grounds on which the disapproval is based. In the 

absence of a notice of disapproval within 45 days, approval is automatically granted.

(iii) As soon as the monitoring data required by §63.343(c) show that the source is not in compliance with 

the relevant emission limit, the frequency of reporting shall revert to semiannual, and the owner shall state 

this exceedance in the ongoing compliance status report for the next reporting period. After demonstrating 

ongoing compliance with the relevant emission limit for another full year, the owner or operator may again 

request approval from the Administrator to reduce the reporting frequency as allowed by paragraph (h)(3) of 

this section.

(i) Reports associated with trivalent chromium baths. The requirements of this paragraph do not alleviate 

affected sources from complying with the requirements of State or Federal operating permit programs under 

title V. Owners or operators complying with the provisions of §63.342(e) are not subject to paragraphs (a) 

through (h) of this section, but must instead submit the following reports:

(1) Within 180 days after January 25, 1995, submit an initial notification that includes:

(i) The same information as is required by paragraphs (c)(1) (i) through (v) of this section; and

(ii) A statement that a trivalent chromium process that incorporates a wetting agent will be used to comply 

with §63.342(e); and

(iii) The list of bath components that comprise the trivalent chromium bath, with the wetting agent clearly 

identified; and

(2) Within 30 days of the compliance date specified in §63.343(a), a notification of compliance status that 

contains an update of the information submitted in accordance with paragraph (i)(1) of this section or a 

statement that the information is still accurate; and

(3) Within 30 days of a change to the trivalent chromium electroplating process, a report that includes:

(i) A description of the manner in which the process has been changed and the emission limitation, if any, 

now applicable to the affected source;

(ii) If a different emission limitation applies, the applicable information required by paragraph (c)(1) of this 

section; and

(iii) The notification and reporting requirements of paragraphs (d), (e), (f), (g), and (h) of this section, which 

shall be submitted in accordance with the schedules identified in those paragraphs.

[60 FR 4963, Jan. 25, 1995, as amended at 61 FR 27787, June 3, 1996; 62 FR 4465, Jan. 30, 1997, 62 FR 

42921, Aug. 11, 1997; 69 FR 42897, July 19, 2004]

§ 63.348 Implementation and enforcement.

(a) This subpart can be implemented and enforced by the U.S. EPA, or a delegated authority such as the 

applicable State, local, or Tribal agency. If the U.S. EPA Administrator has delegated authority to a State, 

local, or Tribal agency, then that agency, in addition to the U.S. EPA, has the authority to implement and 

enforce this subpart. Contact the applicable U.S. EPA Regional Office to find out if implementation and 

enforcement of this subpart is delegated to a State, local, or Tribal agency.

(b) In delegating implementation and enforcement authority of this subpart to a State, local, or Tribal agency 

under subpart E of this part, the authorities contained in paragraph (c) of this section are retained by the 

Administrator of U.S. EPA and cannot be transferred to the State, local, or Tribal agency.
Freudenberg-NOK General Partnership Page 30 of 36

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

(c) The authorities that cannot be delegated to State, local, or Tribal agencies are as specified in paragraphs 

(c)(1) through (4) of this section.

(1) Approval of alternatives to the requirements in §§63.340, 63.342(a) through (e) and (g), and 63.343(a).

(2) Approval of major alternatives to test methods under §63.7(e)(2)(ii) and (f), as defined in §63.90, and as 

required in this subpart.

(3) Approval of major alternatives to monitoring under §63.8(f), as defined in §63.90, and as required in this 

subpart.

(4) Approval of major alternatives to recordkeeping and reporting under §63.10(f), as defined in §63.90, and 

as required in this subpart.

[68 FR 37347, June 23, 2003]

Table 1 to Subpart N of Part 63—General Provisions Applicability to Subpart N

General 

provisions

reference

Applies to 

subpart N Comment

63.1(a)(1) Yes Additional terms defined in §63.341; when overlap between 

subparts A and N occurs, subpart N takes precedence.

63.1(a)(2) Yes

63.1(a)(3) Yes

63.1(a)(4) Yes Subpart N clarifies the applicability of each paragraph in subpart A 

to sources subject to subpart N.

63.1(a)(6) Yes

63.1(a)(7) Yes

63.1(a)(8) Yes

63.1(a)(10) Yes

63.1(a)(11) Yes §63.347(a) of subpart N also allows report submissions via fax and 

on electronic media.

63.1(a)(12)–(14) Yes

63.1(b)(1) No §63.340 of subpart N specifies applicability.

63.1(b)(2) Yes

63.1(b)(3) No This provision in subpart A is being deleted. Also, all affected area 

and major sources are subject to subpart N; there are no 

exemptions.

63.1(c)(1) Yes Subpart N clarifies the applicability of each paragraph in subpart A 

to sources subject to subpart N.

63.1(c)(2) Yes §63.340(e) of Subpart N exempts area sources from the obligation 

to obtain Title V operating permits.
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Permit Reviewer: Janet Mobley

63.1(c)(4) Yes

63.1(c)(5) No Subpart N clarifies that an area source that becomes a major 

source is subject to the requirements for major sources.

63.1(e) Yes

63.2 Yes Additional terms defined in §63.341; when overlap between 

subparts A and N occurs, subpart N takes precedence.

63.3 Yes Other units used in subpart N are defined in that subpart.

63.4 Yes

63.5(a) Yes Except replace the term “source” and “stationary source” in §63.5(a) 

(1) and (2) of subpart A with “affected sources.”

63.5(b)(1) Yes

63.5(b)(3) Yes Applies only to major affected sources.

63.5(b)(4) No Subpart N (§63.345) specifies requirements for the notification of 

construction or reconstruction for affected sources that are not 

major.

63.5(b)(5) Yes

63.5(b)(6) Yes

63.5(d)(1)(i) No §63.345(c)(5) of subpart N specifies when the application or 

notification shall be submitted.

63.5(d)(1)(ii) Yes Applies to major affected sources that are new or reconstructed.

63.5(d)(1)(iii) Yes Except information should be submitted with the Notification of 

Compliance Status required by §63.347(e) of subpart N.

63.5(d)(2) Yes Applies to major affected sources that are new or reconstructed 

except: (1) replace “source” in §63.5(d)(2) of subpart A with 

“affected source”; and (2) actual control efficiencies are submitted 

with the Notification of Compliance Status required by §63.347(e).

63.5(d)(3)–(4) Yes Applies to major affected sources that are new or reconstructed.

63.5(e) Yes Applies to major affected sources that are new or reconstructed.

63.5(f)(1) Yes Except replace “source” in §63.5(f)(1) of subpart A with “affected 

source.”

63.5(f)(2) No New or reconstructed affected sources shall submit the request for 

approval of construction or reconstruction under §63.5(f) of subpart 

A by the deadline specified in §63.345(c)(5) of subpart N.

63.6(a) Yes

63.6(b)(1)–(2) Yes Except replace “source” in §63.6(b)(1)–(2) of part A with “affected 

source.”

63.6(b)(3)–(4) Yes
Freudenberg-NOK General Partnership Page 32 of 36

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

63.6(b)(5) Yes Except replace “source” in §63.6(b)(5) of subpart A with “affected 

source.”

63.6(b)(7) No Provisions for new area sources that become major sources are 

contained in §63.343(a)(4) of subpart N.

63.6(c)(1)–(2) Yes Except replace “source” in §63.6(c)(1)–(2) of subpart A with 

“affected source.”

63.6(c)(5) No Compliance provisions for existing area sources that become major 

sources are contained in §63.343(a)(3) of subpart N.

63.6(e) No §63.342(f) of subpart N contains work practice standards (operation 

and maintenance requirements) that override these provisions.

63.6(f)(1) No §63.342(b) of subpart N specifies when the standards apply.

63.6(f)(2)(i)–(ii) Yes

63.6(f)(2)(iii) No §63.344(b) of subpart N specifies instances in which previous 

performance test results for existing sources are acceptable.

63.6(f)(2)(iv) Yes

63.6(f)(2)(v) Yes

63.6(f)(3) Yes

63.6(g) Yes

63.6(h) No Subpart N does not contain any opacity or visible emission 

standards.

63.6(i)(1) Yes

63.6(i)(2) Yes Except replace “source” in §63.6(i)(2)(i) and (ii) of subpart A with 

“affected source.”

63.6(i)(3) Yes

63.6(i)(4)(i) No §63.343(a)(6) of subpart N specifies the procedures for obtaining an 

extension of compliance and the date by which such requests must 

be submitted.

63.6(i)(4)(ii) Yes

63.6(i)(5) Yes

63.6(i)(6)(i) Yes This paragraph only references “paragraph (i)(4) of this section” for 

compliance extension provisions. But, §63.343(a)(6) of subpart N 

also contains provisions for requesting a compliance extension.

63.6(i)(6)(ii) Yes

63.6(i)(7) Yes

63.6(i)(8) Yes This paragraph only references “paragraphs (i)(4) through (i)(6) of 

this section” for compliance extension provisions. But, 

§63.343(a)(6) of subpart N also contains provisions for requesting a 

compliance extension.
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

63.6(i)(9) Yes This paragraph only references “paragraphs (i)(4) through (i)(6) of 

this section” and “paragraphs (i)(4) and (i)(5) of this section” for 

compliance extension provisions. But, §63.343(a)(6) of subpart N 

also contains provisions for requesting a compliance extension.

63.6(i)(10)(i)–(iv) Yes

63.6(i)(10)(v)(A) Yes This paragraph only references “paragraph (i)(4)” for compliance 

extension provisions. But, §63.343(a)(6) of subpart N also contains 

provisions for requesting a compliance extension.

63.6(i)(10)(v)(B) Yes

63.6(i)(11) Yes

63.6(i)(12)(i) Yes This paragraph only references “paragraph (i)(4)(i) or (i)(5) of this 

section” for compliance extension provisions. But, §63.343(a)(6) of

subpart N also contains provisions for requesting a compliance 

extension.

63.6(i)(12)(ii)–

(iii)

Yes

63.6(i)(13) Yes

63.6(i)(14) Yes

63.6(i)(16) Yes

63.6(j) Yes

63.7(a)(1) Yes

63.7(a)(2)(i)–(vi) Yes

63.7(a)(2)(ix) Yes

63.7(a)(3) Yes

63.7(b)(1) No §63.347(d) of subpart N requires notification prior to the 

performance test. §63.344(a) of subpart N requires submission of a 

site-specific test plan upon request.

63.7(b)(2) Yes

63.7(c) No §63.344(a) of subpart N specifies what the test plan should contain, 

but does not require test plan approval or performance audit 

samples.

63.7(d) Yes Except replace “source” in the first sentence of §63.7(d) of subpart 

A with “affected source.”

63.7(e) Yes Subpart N also contains test methods specific to affected sources 

covered by that subpart.

63.7(f) Yes §63.344(c)(2) of subpart N identifies CARB Method 425 as 

acceptable under certain conditions.

63.7(g)(1) No Subpart N identifies the items to be reported in the compliance test 

[§63.344(a)] and the timeframe for submitting the results 
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Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

[§63.347(f)].

63.7(g)(3) Yes

63.7(h)(1)–(2) Yes

63.7(h)(3)(i) Yes This paragraph only references “§63.6(i)” for compliance extension 

provisions. But, §63.343(a)(6) of subpart N also contains provisions 

for requesting a compliance extension.

63.7(h)(3)(ii)–(iii) Yes

63.7(h)(4)–(5) Yes

63.8(a)(1) Yes

63.8(a)(2) No Work practice standards are contained in §63.342(f) of subpart N.

63.8(a)(4) No

63.8(b)(1) Yes

63.8(b)(2) No §63.344(d) of subpart N specifies the monitoring location when 

there are multiple sources.

63.8(b)(3) No §63.347(g)(4) of subpart N identifies reporting requirements when 

multiple monitors are used.

63.8(c)(1)(i) No Subpart N requires proper maintenance of monitoring devices 

expected to be used by sources subject to subpart N.

63.8(c)(1)(ii) No §63.342(f)(3)(iv) of subpart N specifies reporting when the O&M 

plan is not followed.

63.8(c)(1)(iii) No §63.343(f)(2) identifies the criteria for whether O&M procedures are 

acceptable.

63.8(c)(2)–(3) No §63.344(d)(2) requires appropriate use of monitoring devices.

63.8(c)(4)–(7) No

63.8(d) No Maintenance of monitoring devices is required by §§63.342(f) and 

63.344(d)(2) of subpart N.

63.8(e) No There are no performance evaluation procedures for the monitoring 

devices expected to be used to comply with subpart N.

63.8(f)(1) Yes

63.8(f)(2) No Instances in which the Administrator may approve alternatives to 

the monitoring methods and procedures of subpart N are contained 

in §63.343(c)(8) of subpart N.

63.8(f)(3) Yes

63.8(f)(4) Yes

63.8(f)(5) Yes

63.8(f)(6) No Subpart N does not require the use of CEM's.
Freudenberg-NOK General Partnership Page 35 of 36

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

63.8(g) No Monitoring data does not need to be reduced for reporting purposes 

because subpart N requires measurement once/day.

63.9(a) Yes

63.9(b)(1)(i)–(ii) No §63.343(a)(3) of subpart N requires area sources to comply with 

major source provisions if an increase in HAP emissions causes 

them to become major sources.

63.9(b)(1)(iii) No §63.347(c)(2) of subpart N specifies initial notification requirements 

for new or reconstructed affected sources.

63.9(b)(2) No §63.347(c)(1) of subpart N specifies the information to be contained 

in the initial notification.

63.9(b)(3) No §63.347(c)(2) of subpart N specifies notification requirements for 

new or reconstructed sources that are not major affected sources.

63.9(b)(4) No

63.9(b)(5) No

63.9(c) Yes This paragraph only references “§63.6(i)(4) through §63.6(i)(6)” for 

compliance extension provisions. But, §63.343(a)(6) of subpart N 

also contains provisions for requesting a compliance extension. 

Subpart N provides a different timeframe for submitting the request 

than §63.6(i)(4).

63.9(d) Yes This paragraph only references “the notification dates established in 

paragraph (g) of this section.” But, §63.347 of subpart N also 

contains notification dates.

63.9(e) No Notification of performance test is required by §63.347(d) of subpart 

N.

63.9(f) No

63.9(g) No Subpart N does not require a performance evaluation or relative 

accuracy test for monitoring devices.

63.9(h)(1)–(3) No §63.347(e) of subpart N specifies information to be contained in the 

notification of compliance status and the timeframe for submitting 

this information.

63.9(h)(5) No Similar language has been incorporated into §63.347(e)(2)(iii) of 

subpart N.

63.9(h)(6) Yes

63.9(i) Yes

63.9(j) Yes

63.10(a) Yes

63.10(b)(1) Yes

63.10(b)(2) No §63.346(b) of subpart N specifies the records that must be 
Freudenberg-NOK General Partnership Page 36 of 36

Shelbyville, Indiana M145-30019-00029

Permit Reviewer: Janet Mobley

maintained.

63.10(b)(3) No Subpart N applies to major and area sources.

63.10(c) No Applicable requirements of §63.10(c) have been incorporated into 

§63.346(b) of subpart N.

63.10(d)(1) Yes

63.10(d)(2) No §63.347(f) of subpart N specifies the timeframe for reporting 

performance test results.

63.10(d)(3) No Subpart N does not contain opacity or visible emissions standards.

63.10(d)(4) Yes

63.10(d)(5) No §63.342(f)(3)(iv) and §63.347(g)(3) of subpart N specify reporting 

associated with malfunctions.

63.10(e) No §63.347(g) and (h) of subpart N specify the frequency of periodic 

reports of monitoring data used to establish compliance. Applicable 

requirements of §63.10(e) have been incorporated into §63.347(g) 

and (h).

63.10(f) Yes

63.11 No Flares will not be used to comply with the emission limits.

63.12–63.15 Yes

[60 FR 4963, Jan. 25, 1995, as amended at 61 FR 27787, June 3, 1996; 70 FR 75345, Dec. 19, 2005]

Printed from the Federal Code of Regulations on January 20, 2011.
Indiana Department of Environmental Management

Office of Air Quality

Technical Support Document (TSD) for a 

Minor Source Operating Permit Renewal

Source Background and Description

Source Name: Freudenberg-NOK General Partnership

Source Location: 1004 W. Washington Street, Shelbyville, IN 46176

County: Shelby

SIC Code: 3471 and 3544

Permit Renewal No.: M145-30019-00029

Permit Reviewer: Janet Mobley

The Office of Air Quality (OAQ) has reviewed the operating permit renewal application from 

Freudenberg-NOK General Partnership relating to the operation of a hard chromium electroplating and 

tool and die for rubber manufacturing operation. On December 16, 2010, Freudenberg-NOK General 

Partnership submitted an application to the OAQ requesting to renew its operating permit. 

Freudenberg-NOK General Partnership was issued its first MSOP Renewal (M145-21676-00029) on 

May 1, 2006, to this source previously known as Technical Tool & Design, LLC. Technical Tool & 

Design, LLC was purchased by Freudenberg-NOK General Partnership and the name was changed in 

a notice only change (134-24314-00029) issued on March 22, 2007. 

Permitted Emission Units and Pollution Control Equipment

The source consists of the following permitted emission units:

(a) One (1) hard chromium electroplating operation with a maximum cumulative potential 

rectifier capacity of 11,760,000 Ampere-hours (A-hr) per year consisting of:

(1) one (1) hard chromium electroplating tank, identified as T3, constructed in 1994, 

equipped with a composite mesh-pad system for control, having a rectifier with a 

maximum potential capacity of 1,200 amperes, exhausting to one (1) stack, 

identified as S1.

(2) Three (3) chrome rinse tanks, identified as T4, exhausting inside the building.

(3) One (1) alkaline rinse tank, identified as T1, exhausting inside the building. 

(4) One (1) alkaline stripping tank, identified as T2, exhausting to the single mesh pad 

mist eliminator.

This hard chromium electroplating operation is considered an affected source 

under 40 CFR 63, Subpart N. 

(b) Welding operation consisting of: one (1) metal inert gas (MIG) station, with a maximum 

wire consumption rate of 0.0023 pounds of wire per hour (lb wire/hr), one (1) tungsten 

inert gas (TIG) station, with a maximum wire consumption rate of 0.0023 lb wire/hr, and 

one (1) stick welding station, with a maximum wire consumption rate of 0.0057 lb wire/hr.

(c) Three (3) pneumatic blasters, identified as Gritblaster 23A, Gritblaster 23B and Gritblaster 

23C, with maximum capacities of 75, 75, and 120 pounds per hour, respectively, using 

one Torit dust collector for all three blasters for control, and exhausting inside the building.
Freudenberg-NOK General Partnership Page 2 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

(d) Various machining equipment including:

(1) Surface grinders, identified as Surface Grinder No. 4 and Surface Grinders TTD 

216, 220, 229, 230, 235, 236, 237, 261 and 266

(2) Pedestal grinders, identified as Pedestal Grinder 7A, 7B, 43, 43A and 43D.

(3) Fiberboard cutting.

(e) Three (3) mills for metal finishing, identified as Mill Nos. 29, 59 and 60 using a total 

maximum of 165 gallons per year of non VOC liquid coolant.

(f) Five (5) Okuma lathe for metal finishing, identified as Lathe Nos. 28, 29, 45, 50, 62 and 

65, using liquid coolant.

(g) Natural gas-fired heating units with a total capacity less than 10 MMBtu/hr.

(1) Space Heaters

(h) One (1) parts washer with a maximum capacity of five gallons, using mineral spirits, with a 

 maximum usage capacity of 60 gallons per year.

Emission Units and Pollution Control Equipment Constructed and/or Operated without a Permit

The source does not have any unpermitted emission units during this review. 

Emission Units and Pollution Control Equipment Removed From the Source

The source has removed the following emission units since the previous permit:

One (1) coolant recycling unit, identified as Coolant Wizard Recycler.

Existing Approvals

Since the issuance of the MSOP (145-21676-00029) on May 1, 2006, the source has constructed 

or has been operating under the following additional approvals: 

Notice Only Change No. (145-24314-00029) issued on March 22, 2007.

All terms and conditions of previous permits issued pursuant to permitting programs approved 

into the State Implementation Plan have been either incorporated as originally stated, revised, or 

deleted by this permit. All previous registrations and permits are superseded by this permit.

Enforcement Issue

There are no enforcement actions pending.

Emission Calculations

See Appendix A of this document for detailed emission calculations.

County Attainment Status 

The source is located in Shelby County.
Freudenberg-NOK General Partnership Page 3 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

Pollutant Designation

SO2 Better than national standards.

CO Unclassifiable or attainment effective November 15, 1990.

O3 Attainment effective October 19, 2007, for the 8-hour ozone standard.1

PM10 Unclassifiable effective November 15, 1990.

PM2.5 Unclassifiable or attainment effective April 5, 2005

NO2 Cannot be classified or better than national standards.

Pb Not designated.

1

Unclassifiable or attainment effective October 18, 2000, for the 1-hour ozone standard which was 

revoked effective June 15, 2005.

(a) Ozone Standards

Volatile organic compounds (VOC) and Nitrogen Oxides (NOx) are regulated under the 

Clean Air Act (CAA) for the purposes of attaining and maintaining the National Ambient 

Air Quality Standards (NAAQS) for ozone. Therefore, VOC and NOx emissions are 

considered when evaluating the rule applicability relating to ozone. Shelby County has 

been designated as attainment or unclassifiable for ozone. Therefore, VOC and NOx

emissions were reviewed pursuant to the requirements for Prevention of Significant 

Deterioration (PSD), 326 IAC 2-2.

(b) PM2.5

Shelby County has been classified as attainment for PM2.5. On May 8, 2008, U.S. EPA 

promulgated the requirements for Prevention of Significant Deterioration (PSD) for PM2.5 

emissions. These rules became effective on July 15, 2008. Indiana has three years from 

the publication of these rules to revise its PSD rules, 326 IAC 2-2, to include those 

requirements. The May 8, 2008 rule revisions require IDEM to regulate PM10 emissions 

as a surrogate for PM2.5 emissions until 326 IAC 2-2 is revised. 

(c) Other Criteria Pollutants

Shelby County has been classified as attainment or unclassifiable in Indiana for SO2, 

CO, PM10, NO2 and Lead (Pb). Therefore, these emissions were reviewed pursuant to 

the requirements for Prevention of Significant Deterioration (PSD), 326 IAC 2-2.

Fugitive Emissions

The fugitive emissions of criteria pollutants and hazardous air pollutants are counted toward the 

determination of 326 IAC 2-6.1 (Minor Source Operating Permit) applicability.

Since this type of operation is not one of the twenty-eight (28) listed source categories under 326 

IAC 2-2, 326 IAC 2-3, or 326 IAC 2-7, and there is no applicable New Source Performance 

Standard that was in effect on August 7, 1980, fugitive emissions are not counted toward the 

determination of PSD, Emission Offset, and Part 70 Permit applicability.

Unrestricted Potential Emissions

Appendix A of this TSD reflects the unrestricted potential emissions of the source.

Pursuant to 40 CFR 63.340(e), Subpart N, the source is an area source for chromium and is 

exempt from the obligation to obtain a permit under 40 CFR Part 70 or 71. Also the potential to 

emit (as defined in 326 IAC 2-7-1(29)) of all criteria pollutants is less than 100 tons per year. The 

source is not subject to the provisions of 326 IAC 2-7. However, the source performs hard 

chrome plating and pursuant to 326 IAC 2-6.1-3(a) any chromium electroplating source is subject 

to 326 IAC 2-6.1. Therefore, a Minor Source Operating Permit (MSOP) Renewal will be issued.
Freudenberg-NOK General Partnership Page 4 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

(a) The potential to emit (as defined in 326 IAC 2-7-1(29)) of all regulated pollutants is still 

less than 100 tons per year. The source is not subject to the provisions of 326 IAC 2-7. 

The PTE of all other regulated criteria pollutants are currently less than twenty-five (25) 

tons per year. Therefore, the source is subject to the provisions of 326 IAC 2-6.1. 

Therefore, the source will be issued an MSOP Renewal.

(b) The potential to emit (as defined in 326 IAC 2-7-1(29)) of any single HAP is less than ten 

(10) tons per year and/or the potential to emit (as defined in 326 IAC 2-7-1(29)) of a 

combination of HAPs is less than twenty-five (25) tons per year. Therefore, this source is 

an area source under Section 112 of the Clean Air Act (CAA) and not subject to the 

provisions of 326 IAC 2-7. Therefore, the source will be issued an MSOP Renewal.

Potential to Emit After Issuance

The table below summarizes the potential to emit, reflecting all limits of the emission units. Any 

control equipment is considered enforceable only after issuance of this MSOP and only to the 

extent that the effect of the control equipment is made practically enforceable in the permit.

Process/

Emission Unit

Potential To Emit of the Entire Source After Issuance of Renewal (tons/year)

PM PM10* PM2.5 SO2 NOx VOC CO

Total 

HAPs

Worst Single 

HAP

Hard Chromium 

Plating Tank (ID#T3)

0.19 0.19 0.19 0.00 0.00 0.00 0.00 0.19

0.19 

Total 

Chromium

Welding Operation 0.001 0.001 0.001 0.00 0.00 0.00 0.00 0.00

Pneumatic BlastingGritblaster 23A 0.000048 0.000048 0.000048 0.00 0.00 0.00 0.00 0.00

Pneumatic BlastingGritblaster 23B 0.000006 0.000006 0.000006 0.00 0.00 0.00 0.00 0.00

Pneumatic BlastingGritblaster 23C 0.000006 0.000006 0.000006 0.00 0.00 0.00 0.00 0.00

Grinding 2.63 2.63 2.63 0.00 0.00 0.00 0.00 0.00

Fibercutting 2.58 2.58 2.58 0.00 0.00 0.00 0.00 0.00

Mills & Lathes 0.00 0.00 0.00 0.00 0.00 0.27 0.00 0.00

Natural Gas 

Combustion 0.01 0.02 0.02 neg. 0.30 0.02 0.00 0.00

Parts Washer 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00

Total PTE of Entire 

Source** 5.41 5.42 5.42 0.00 0.30 0.32 0.25 0.19

Title V Major Source 

Thresholds NA 100 100 100 100 100 100 25 10

PSD Major Source 

Thresholds 250 250 250 250 250 250 250 NA NA

Emission Offset/

Nonattainment NSR 

Major Source 

Thresholds

NA NA NA NA NA NA NA NA NA

negl. = negligible

*Under the Part 70 Permit program (40 CFR 70), particulate matter with an aerodynamic diameter less than or 

equal to a nominal 10 micrometers (PM10), not particulate matter (PM), is considered as a "regulated air pollutant".

** Even though the PTE of the entire source is less than 25 tons per year, pursuant to 326 IAC -6.1-3(a) any 

chromium electroplating source is subject to 326 IAC 2-6.1 (MSOP).
Freudenberg-NOK General Partnership Page 5 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

This existing stationary source is not major for PSD because the emissions of each regulated 

pollutant are less than two hundred fifty (<250) tons per year, not major for Emission Offset

because the emissions of the nonattainment pollutants are less than one hundred (<100) tons per 

year, and it is not in one of the twenty-eight (28) listed source categories.

Federal Rule Applicability

Pursuant to 40 CFR 64.2, Compliance Assurance Monitoring (CAM) is not included in the permit, 

because the unlimited potential to emit of the source is less than the Title V major source 

thresholds and the source is not required to obtain a Part 70 or Part 71 permit.

Compliance Assurance Monitoring (CAM)

There are no New Source Performance Standards (NSPS) (326 IAC 12 and 40 CFR Part 

New Source Performance Standards (NSPS)

60) included in the permit.

The requirements of the National Emission Standards for Hazardous Air Pollutants (NESHAP) for 

National Emission Standards for Hazardous Air Pollutants (NESHAP)

National Emission Standards for Chromium Emissions From Hard and Decorative Chromium 

Electroplating and Chromium Anodizing Tanks, Subpart N are still included in the permit for the 

hard chromium electroplating tank, identified asT3.

The hard chromium electroplating operations are subject to the National Emission Standards for 

Hazardous Air Pollutants (NESHAP), Subpart N. 

Under NESHAP, Subpart N, the hard chromium electroplating tank, identified as T3 is considered 

an existing affected source because the construction of the source commenced prior to December 

16, 1993 and the source is not reconstructed.

The hard chromium electroplating tank, identified as T3, is subject to the following portions of 

Subpart N. Non applicable portions of the NESHAP will not be included in the permit. 

Pursuant to 40 CFR 63.340(e), any source that is an area source and is subject to this subpart is 

exempt from the obligation to obtain a permit under 40 CFR part 70 or 71, provided that the source 

is not required to obtain a permit under 40 CFR 70.3(a) or 71.3(a) for a reason other than status as 

an area source under this subpart. Notwithstanding the previous sentence, you must continue to 

comply with the provisions of this subpart applicable to area sources.

Non applicable portions of the NESHAP will not be included in the permit. The hard chromium 

electroplating tank, identified as T3, is subject to the following portions of Subpart N. 

(1) 63.340 

(2) 63.341 

(3) 63.342 (a)

(4) 63.342 (b)(1)

(5) 63.342 (c)(1)(ii) 

(6) 63.342 (f)

(7) 63.343 (a)(1)(ii), (3) and (5) 

(8) 63.343 (b)(1)

(9) 63.343 (c)(1)(i) and (ii)

(10) 63.346

(11) 63.347

(12) 63.348
Freudenberg-NOK General Partnership Page 6 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

The provisions of 40 CFR 63 Subpart A – General Provisions, which are incorporated as 326 IAC 

20-1-1, apply to the facility described in this section except when otherwise specified in 40 CFR 63 

Subpart N.

State Rule Applicability - Entire Source

The following state rules are applicable to the source:

(a) 326 IAC 1-6-3 (Preventive Maintenance Plan)

The source is subject to 326 IAC 1-6-3.

(b) 326 IAC 2-6.1 (Minor Source Operating Permits (MSOP))

MSOP applicability is discussed under the unrestricted potential emissions section above.

(c) 326 IAC 2-2 (Prevention of Significant Deterioration(PSD))

This source was constructed in 1972, which is prior to the August 7, 1977 rule applicability date. 

Pursuant to 326 IAC 2-2 (PSD), this source was a minor stationary source in 1972 since it is not 

one of the 28 listed source categories under 326 IAC 2-2 and the potential emissions of all the 

attainment regulated pollutants were less than 250 tons per year. The source continues to be a 

minor source and 326 IAC 2-2 (PSD) does not apply. 

(d) 326 IAC 2-3 (Emission Offset)

The requirements of 326 IAC 2-3 (Emission Offset) do not apply to this source because potential 

emissions of VOC are less than 25 tons per year and potential emissions of NOx are less than 100 

tons per year. The potential to emit (PTE) of all criteria pollutants is less than one hundred (100) 

tons per year. Therefore, this source is a minor source and 326 IAC 2-3 (Emission Offset) does not 

apply. The source remains a minor source under 326 IAC 2-3. 

(e) 326 IAC 2-4.1 (Major Sources of Hazardous Air Pollutants (HAP))

The potential to emit of any single HAP is less than ten (10) tons per year and the potential to emit 

of a combination of HAPs is less than twenty-five (25) tons per year from the decorative plating 

tanks. Therefore, this source is an area source under Section 112 of the Clean Air Act (CAA) and 

not subject to the provisions of 326 IAC 2-4.1. The operation of the chromium electroplating tank at 

the source is subject to the NESHAP Subpart N. Therefore, 326 IAC 2-4.1 does not apply.

(f) 326 IAC 2-6 (Emission Reporting)

Pursuant to 326 IAC 2-6-1, this source is not subject to this rule, because it is not required to 

have an operating permit under 326 IAC 2-7 (Part 70), it is located in Shelby County, it has actual 

emissions of NOx and VOC of less than twenty-five (25) tons per year, and it does not emit lead 

into the ambient air at levels equal to or greater than 5 tons per year. Therefore, 326 IAC 2-6 

does not apply.

(g) 326 IAC 5-1 (Opacity Limitations)

Pursuant to 326 IAC 5-1-2 (Opacity Limitations), except as provided in 326 IAC 5-1-3 (Temporary 

Alternative Opacity Limitations), opacity shall meet the following, unless otherwise stated in this 

permit:

(1) Opacity shall not exceed an average of forty percent (40%) in any one (1) six (6) minute 

averaging period as determined in 326 IAC 5-1-4.

(2) Opacity shall not exceed sixty percent (60%) for more than a cumulative total of fifteen 

(15) minutes (sixty (60) readings as measured according to 40 CFR 60, Appendix A, 

Method 9 or fifteen (15) one (1) minute nonoverlapping integrated averages for a 

continuous opacity monitor) in a six (6) hour period.
Freudenberg-NOK General Partnership Page 7 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

(h) 326 IAC 6-4 (Fugitive Dust Emissions)

The Permittee shall not allow fugitive dust to escape beyond the property line or boundaries of the 

property, right-of-way, or easement on which the source is located, in a manner that would violate 

326 IAC 6-4 (Fugitive Dust Emissions).

(i) 326 IAC 6.5 PM Limitations Except Lake County

This source is not subject to 326 IAC 6.5 because it is not located in one of the following counties:

Clark, Dearborn, Dubois, Howard, Marion, St. Joseph, Vanderburgh, Vigo or Wayne. 

(j) 326 IAC 6.8 PM Limitations for Lake County

This source is not subject to 326 IAC 6.8 because it is not located in Lake County.

(k) 326 IAC 6-4 (Fugitive Dust Emissions Limitations)

Pursuant to 326 IAC 6-4 (Fugitive Dust Emissions Limitations), the source shall not allow fugitive 

dust to escape beyond the property line or boundaries of the property, right-of-way, or easement 

on which the source is located, in a manner that would violate 326 IAC 6-4.

(l) 326 IAC 20 (Hazardous Air Pollutants)

See Federal Rule Applicability Section of this TSD.

State Rule Applicability – Individual Facilities

326 IAC 8-1-6 (New Facilities: General Reduction Requirements (BACT))

This source was constructed prior to January 1, 1980. In addition, none of the emission units at 

this source have potential emissions of twenty-five (25) tons or more per year. Therefore, 326 

IAC 8-1-6 (BACT) is not applicable to this source.

Hard Chrome Electroplating Tank

326 IAC 6-3-1 (Particulate Emission Limitations for Manufacturing Processes)

Pursuant to 326 IAC 6-3-1(c)(6), the hard chromium electroplating operation, hard chromium 

electroplating tank, identified asT3, is exempt from the requirements of 326 IAC 6-3 because it 

has particulate matter limitations established under 326 IAC 20-8 (Hard and Decorative Chomium 

Electroplating and Chromium Anodizing Tanks). Therefore, this rule does not apply.

326 IAC 20-8 (Hard and Decorative Chromium Electroplating and Chromium Anodizing Tanks)

(a) The provisions of 40 CFR Part 63, Subpart A – General Provisions, which are 

incorporated as 326 IAC 20-1-1, apply to the facility described in this section except when 

otherwise specified in 40 CFR Part 63, Subpart N.

(b) The hard chromium electroplating tank, identified as T3, is subject to 326 IAC 20-8. 326 

IAC 20-8 incorporates by reference 40 CFR 63, Subpart N. The Permittee shall comply 

with the provisions of 40 CFR 63, Subpart N, as detailed in the Federal Rule Applicability 

Determination section.

326 IAC 20 (Hazardous Air Pollutants)

See Federal Rule Applicability Section of this TSD.

326 IAC 7-1.1 Sulfur Dioxide Emission Limitations

These emission units are not subject to 326 IAC 326 IAC 7-1.1 because the SO2 PTE 

(or limited SO2 PTE) is less than 25 tons/year or 10 pounds/hour. 

Welding Operation

326 IAC 6-3-2 (Particulate Emission Limitations for Manufacturing Processes) 
Freudenberg-NOK General Partnership Page 8 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

(a) Pursuant to 326 IAC 6-3-2(c), the allowable particulate matter emissions rate from the 

welding operation not already regulated by any New Source Performance Standard, and 

which has a maximum process weight rate less than 100 pounds per hour shall not 

exceed 0.551 pounds per hour.

(b) The particulate from the two (2) pneumatic blasters, identified as Gritblaster 23A and 

Gritblaster 23B, with maximum capacities of 75 pounds per hour, each, shall each be 

limited by the following:

Pneumatic Blasting

Interpolation of the data for the process weight rate up to sixty thousand (60,000) pounds 

per hour shall be accomplished by use of the equation:

E = 4.10 P 0.67 where E = rate of emission in pounds per hour and 

 P = process weight rate in tons per hour

E = 4.10 (0.0375) 0.67 = 0.45 lbs PM/hr 

Controlled Compliance calculation:

PM after control = (0.287 tons PM/yr) * (1yr/8,760 hrs) * (2,000 lbs/ton) = 0.07 lbs PM/hr

(see Appendix A for the tons/yr calculation)

The baghouse shall be in operation at all times the two (2) pneumatic blasters, identified 

as Gritblaster 23A and Gritblaster 23B is in operation, in order to comply with this limit.

(c) The particulate from the one (1) pneumatic blaster, identified as Gritblaster 23C with 

maximum capacity of 120 pounds per hour, shall be limited by the following:

Interpolation of the data for the process weight rate up to sixty thousand (60,000) pounds 

per hour shall be accomplished by use of the equation:

E = 4.10 P 0.67 where E = rate of emission in pounds per hour and 

 P = process weight rate in tons per hour

E = 4.10 (0.06) 0.67 = 0.62 lbs PM/hr 

Controlled Compliance calculation:

PM after control = (0.287 tons PM/yr) * (1yr/8,760 hrs) * (2,000 lbs/ton) = 0.07 lbs PM/hr

(see Appendix A for the tons/yr calculation)

The baghouse shall be in operation at all times the one (1) pneumatic blaster, identified 

as Gritblaster 23C is in operation, in order to comply with this limit.

(d) The particulate from the grinding and cutting operations shall be limited by the following:

Surface Grinders and Fiber Cutting Operations

Interpolation of the data for the process weight rate up to sixty thousand (60,000) pounds 

per hour shall be accomplished by use of the equation:

E = 4.10 P 0.67 where E = rate of emission in pounds per hour and 

 P = process weight rate in tons per hour

Compliance Determination and Monitoring Requirements

Permits issued under 326 IAC 2-6.1 are required to ensure that sources can demonstrate 

compliance with all applicable state and federal rules on a continuous basis. All state and federal 
Freudenberg-NOK General Partnership Page 9 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

rules contain compliance provisions, however, these provisions do not always fulfill the 

requirement for a continuous demonstration. When this occurs, IDEM, OAQ, in conjunction with 

the source, must develop specific conditions to satisfy 326 IAC 2-6.1-5. As a result, Compliance 

Determination Requirements are included in the permit. The Compliance Determination 

Requirements in Section D of the permit are those conditions that are found directly within state 

and federal rules and the violation of which serves as grounds for enforcement action. 

If the Compliance Determination Requirements are not sufficient to demonstrate continuous 

compliance, they will be supplemented with Compliance Monitoring Requirements, also in 

Section D of the permit. Unlike Compliance Determination Requirements, failure to meet 

Compliance Monitoring conditions would serve as a trigger for corrective actions and not grounds 

for enforcement action. However, a violation in relation to a compliance monitoring condition will 

arise through a source's failure to take the appropriate corrective actions within a specific time 

period.

The compliance determination and monitoring requirements applicable to this source are as 

follows:

Emission Unit/Control Operating Parameters Frequency

Composite Mesh-pad system Pressure Drop

5.4 +1 inches of water Once per day

These monitoring conditions are necessary because the composite mesh-pad system for the 

chromium electroplating operations must operate properly to ensure compliance with 

40 CFR Part 63, Subpart N.

There continues to be no specific testing required with the issuance of this permit.

Recommendation

The staff recommends to the Commissioner that the MSOP Renewal be approved. This 

recommendation is based on the following facts and conditions:

Unless otherwise stated, information used in this review was derived from the application and 

additional information submitted by the applicant.

An application for the purposes of this review was received on December 16, 2010. 

Conclusion

The operation of this hard chromium electroplating and tool and die for rubber manufacturing

operation shall be subject to the conditions of the attached MSOP Renewal No. 145-30019-00029.

IDEM Contact

(a) Questions regarding this proposed permit can be directed to Janet Mobley at the Indiana 

Department Environmental Management, Office of Air Quality, Permits Branch, 100 North Senate 

Avenue, MC 61-53 IGCN 1003, Indianapolis, Indiana 46204-2251 or by telephone at (317) 234-

5373 or toll free at 1-800-451-6027 extension 4-5373.
Freudenberg-NOK General Partnership Page 10 of 10

Shelbyville, Indiana TSD for M145-30019-00029

Permit Reviewer: Janet Mobley

(b) A copy of the findings is available on the Internet at: http://www.in.gov/ai/appfiles/idem-caats/

(c) For additional information about air permits and how the public and interested parties can 

participate, refer to the IDEM’s Guide for Citizen Participation and Permit Guide on the Internet at: 

www.idem.in.gov
Appendix A: Emission Calculations Page 1 of 12 TSD App A

SUMMARY

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit Number: 145-30019-00029

Reviewer: Janet Mobley

Emission Unit PM PM10 PM2.5 SO2 NOx VOC CO Total HAPs Worst Single HAP

Hard Chromium Plating Tank (ID#T3) 0.19 0.19 0.19 0.00 0.00 0.00 0.00 0.19

Chromium Compounds 

<10 each

Welding Operation 0.001 0.00 0.00 0.00 0.00 0.00 0.00 0.00Pneumatic Blasting - Gritblaster 23A 0.0024 0.0024 0.0024 0.00 0.00 0.00 0.00 0.00Pneumatic Blasting - Gritblaster 23B 0.0003 0.0003 0.0003 0.00 0.00 0.00 0.00 0.00Pneumatic Blasting - Gritblaster 23C 0.0003 0.0003 0.0003 0.00 0.00 0.00 0.00 0.00Grinding 2.63 2.63 2.63 0.00 0.00 0.00 0.00 0.00Fibercutting 2.58 2.58 2.58 0.00 0.00 0.00 0.00 0.00Mills & Lathes 0.00 0.00 0.00 0.00 0.00 0.27 0.00 0.00Natural Gas Combustion 0.01 0.02 0.02 neg. 0.30 0.02 0.25 neg. neg.

Parts Washer 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00

TOTAL 5.41 5.42 5.42 0.00 0.30 0.32 0.25 0.19

PM10=PM=PM2.5

Emission Unit PM PM10 PM2.5 SO2 NOx VOC CO Total HAPs Worst Single HAP

Hard Chromium Plating Tank (ID#T3) 0.19 0.19 0.19 0.00 0.00 0.00 0.00 0.19

Chromium Compounds 

<10 each

Welding Operation 0.001 0.00 0.00 0.00 0.00 0.00 0.00 0.00Pneumatic BlastingGritblaster 23A 0.000048 0.000048 0.000048 0.00 0.00 0.00 0.00 0.00Pneumatic Blasting - Gritblaster 23B 0.000006 0.000006 0.000006 0.00 0.00 0.00 0.00 0.00Pneumatic Blasting - Gritblaster 23C 0.000006 0.000006 0.000006 0.00 0.00 0.00 0.00 0.00Grinding 2.63 2.63 2.63 0.00 0.00 0.00 0.00 0.00Fibercutting 2.58 2.58 2.58 0.00 0.00 0.00 0.00 0.00Mills & Lathes 0.00 0.00 0.00 0.00 0.00 0.27 0.00 0.00Natural Gas Combustion 0.01 0.02 0.02 neg. 0.30 0.02 0.25 neg. neg.

Parts Washer 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00

TOTAL 5.41 5.42 5.42 0.00 0.30 0.32 0.25 0.19

Uncontrolled POTENTIAL TO EMIT IN TONS PER YEAR

Controlled POTENTIAL TO EMIT IN TONS PER YEAR
Appendix A: Emission Calculations 

PM/PM10 and HAP Emissions

From Chromium Electroplating Tanks

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit Number: 145-30019-00029

Reviewer: Janet Mobley

UnitID#T3

These tanks are controlled by a chemical fume suppressant system.

Emission Unit PM* PM10* 

Emission Factor in grains/A-hr Chrome Tank ID#T3 0.25 0.25 

Hard Chromium Plating Tank (ID#T3) 0.19 0.19 

Potential to Emit before Control in tons/yr Total 0.19 0.19 Emission factors are from AP-42, Chapter 12.20 Electroplating,Table 12.20-1 for Chromium Electroplating (07/96). SCC 3-09-010-18)* Assume PM10 emissions are equal to PM & PM2.5 emissions.Methodology:PTE before Control (tons/yr) = Max. Capacity (A) x 8760 hr/yr x Emission Factor (grain/A-hr) x 1 lbs/7000 grains x 1 ton/2000 lbs

Max. Capacity

(Amp)

1,200
Appendix A: Welding and Thermal Cutting Page 3 of 12 TS

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit No./Plt ID: 145-30019-00029

Reviewer: Janet Mobley

PROCESS

Number 

of 

Stations

Max. electrode 

consumption 

per station

EMISSION FACTORS * (lb pollutant / lb electrode) EMISSIONS (lb/hr) 

WELDING (lbs/hr) PM = PM10 Mn Ni Cr PM = PM10 Mn Ni Metal Inert Gas (MIG) 1 0.00228 0.0055 0.0005 1.25E-05 0.00000114 0.000 Stick 1 0.0057 0.037 0.003 2.11E-04 1.71E-05 0.000 Tungsten Inert Gas (TIG)(carbon steel) 1 0.00228 0.0055 0.0005 1.25E-05 0.00000114 0.000 EMISSION TOTALS PM = PM10 Mn Ni Potential Emissions lbs/hr 2.36E-04 1.94E-05 0.00 Potential Emissions lbs/day 5.66E-03 4.65E-04 0.00 Potential Emissions tons/year 0.001 8.49E-05 0.00 METHODOLGY*Emission Factors are default values for carbon steel unless a specific electrode type is noted in the Process column. Consult AP-42 or other reference for different electrode types.Welding emissions, lb/hr: (# of stations)(max. lbs of electrode used/hr/station)(emission factor, lb. pollutant/lb. of electrode used)Cutting emissions, lb/hr: (# of stations)(max. metal thickness, in.)(max. cutting rate, in./min.)(60 min./hr.)(emission factor, lb. pollutant/1,000 in. cut, 1" thick)Emissions, lbs/day = emissions, lbs/hr x 24 hrs/dayEmissions, tons/yr = emissions, lb/hr x 8,760 hrs/day x 1 ton/2,000 lbs.Plasma cutting emission factors are from the American Welding Society study published in Sweden (March 1994).Welding and other flame cutting emission factors are from an internal training session document. See AP-42, Chapter 12.19 for additional emission factors for welding.
Appendix A: Emission Calculations

Abrasive Blasting - Confined Page 4 of 12 TSD App A

Unit - Gritblaster 23A

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit Number: 145-30019-00029

Reviewer: Janet Mobley

Table 1 - Emission Factors for AbrasivesAbrasive lb PM / lb abrasive lb PM10 / lb PMSand 0.041 0.70Grit 0.010 0.70Steel Shot 0.004 0.86Other 0.010

Potential to Emit Before Control

FR = Flow rate of actual abrasive (lb/hr) = 0.0548 lb/hr (per nozzle)

w = fraction of time of wet blasting = 0 %

N = number of nozzles = 1

EF = PM emission factor for actual abrasive from Table 1 = 0.010 lb PM/ lb abrasive

PM10 emission factor ratio for actual abrasive from Table 1 = 1.00 lb PM10 / lb PM

PM PM10

Potential to Emit (before control) = 5.5E-04 5.5E-04 lb/hr

= 1.3E-02 1.3E-02 lb/day= 2.4E-03 2.4E-03 ton/yr

Potential to Emit After Control PM PM10

Emission Control Device Efficiency = 98.0% 98.0%

Potential to Emit (after control) = 1.1E-05 1.1E-05 lb/hr

= 2.6E-04 2.6E-04 lb/day= 4.8E-05 4.8E-05 ton/yr

METHODOLOGYEmission Factors from STAPPA/ALAPCO "Air Quality Permits", Vol. I, Section 3 "Abrasive Blasting" (1991 edition)Potential to Emit (before control) = EF x FR x (1 - w/200) x N (where w should be entered in as a whole number (if w is 50%, enter 50))Potential to Emit (after control) = [Potential to Emit (before control)] * [1 - control efficiency]Potential to Emit (tons/year)= [Potential to Emit (lbs/hour)] x [8760 hours/year] x [ton/2000 lbs]

Emission Factor (EF)
Appendix A: Emission Calculations

Abrasive Blasting - Confined Page 5 of 12 TSD App A

Unit - Gritblaster 23B

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit Number: 145-30019-00029

Reviewer: Janet Mobley

Table 1 - Emission Factors for AbrasivesAbrasive lb PM / lb abrasive lb PM10 / lb PMSand 0.041 0.70Grit 0.010 0.70Steel Shot 0.004 0.86Other 0.010

Potential to Emit Before Control

FR = Flow rate of actual abrasive (lb/hr) = 0.0068 lb/hr (per nozzle)

w = fraction of time of wet blasting = 0 %

N = number of nozzles = 1

EF = PM emission factor for actual abrasive from Table 1 = 0.010 lb PM/ lb abrasive

PM10 emission factor ratio for actual abrasive from Table 1 = 1.00 lb PM10 / lb PM

PM PM10

Potential to Emit (before control) = 6.8E-05 6.8E-05 lb/hr

= 1.6E-03 1.6E-03 lb/day= 3.0E-04 3.0E-04 ton/yr

Potential to Emit After Control PM PM10

Emission Control Device Efficiency = 98.0% 98.0%

Potential to Emit (after control) = 1.4E-06 1.4E-06 lb/hr

= 3.3E-05 3.3E-05 lb/day= 6.0E-06 6.0E-06 ton/yr

METHODOLOGY

Emission Factors from STAPPA/ALAPCO "Air Quality Permits", Vol. I, Section 3 "Abrasive Blasting" (1991 edition)Potential to Emit (before control) = EF x FR x (1 - w/200) x N (where w should be entered in as a whole number (if w is 50%, enter 50))Potential to Emit (after control) = [Potential to Emit (before control)] * [1 - control efficiency]Potential to Emit (tons/year) = [Potential to Emit (lbs/hour)] x [8760 hours/year] x [ton/2000 lbs]

Emission Factor (EF)
Appendix A: Emission Calculations

Abrasive Blasting - Confined Page 6 of 12 TSD App A

Unit - Gritblaster 23C

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit Number: 145-30019-00029

Plt ID: Janet Mobley

Table 1 - Emission Factors for AbrasivesAbrasive lb PM / lb abrasive lb PM10 / lb PMSand 0.041 0.70Grit 0.010 0.70Steel Shot 0.004 0.86Other 0.010

Potential to Emit Before Control

FR = Flow rate of actual abrasive (lb/hr) = 0.0068 lb/hr (per nozzle)

w = fraction of time of wet blasting = 0 %

N = number of nozzles = 1

EF = PM emission factor for actual abrasive from Table 1 = 0.010 lb PM/ lb abrasive

PM10 emission factor ratio for actual abrasive from Table 1 = 1.00 lb PM10 / lb PM

PM PM10

Potential to Emit (before control) = 6.8E-05 6.8E-05 lb/hr

= 1.6E-03 1.6E-03 lb/day= 3.0E-04 3.0E-04 ton/yr

Potential to Emit After Control PM PM10

Emission Control Device Efficiency = 98.0% 98.0%

Potential to Emit (after control) = 1.4E-06 1.4E-06 lb/hr

= 3.3E-05 3.3E-05 lb/day

= 6.0E-06 6.0E-06 ton/yr

METHODOLOGY

Emission Factors from STAPPA/ALAPCO "Air Quality Permits", Vol. I, Section 3 "Abrasive Blasting" (1991 edition)Potential to Emit (before control) = EF x FR x (1 - w/200) x N (where w should be entered in as a whole number (if w is 50%, enter 50))Potential to Emit (after control) = [Potential to Emit (before control)] * [1 - control efficiency]Potential to Emit (tons/year) = [Potential to Emit (lbs/hour)] x [8760 hours/year] x [ton/2000 lbs]

Emission Factor (EF)
Appendix A: Emission Calculations 

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit No.: 145-30019-00029

Reviewer: Janet Mobley

Grinders

The data used below is from Permit Renewal 145-21676-00029 issued May 1, 2006.

Source Information:PM Generation Factor, lb/hr 0.04Maximum Operating Hours 8,760Emission Calculations:

 Annual Collector Annual

Finishing Particulate Control Particulate ParticulateUnit Generated Efficiency (1) Available Emissions (2)

(lbs/yr) (%) (lbs/yr) (tons/yr)

Potential Emissions:Surface Grinder TTD 230 350 0.0 350.40 0.1752Surface Grinder TTD 229 350 0.0 350.40 0.1752Surface Grinder TTD 237 350 0.0 350.40 0.1752Surface Grinder TTD 235 350 0.0 350.40 0.1752Surface Grinder TTD 220 350 0.0 350.40 0.1752Surface Grinder TTD 261 350 0.0 350.40 0.1752Surface Grinder TTD 266 350 0.0 350.40 0.1752Surface Grinder No. 4 350 0.0 350.40 0.1752Surface Grinder TTD 236 350 0.0 350.40 0.1752Surface Grinder TTD 216 350 0.0 350.40 0.1752Pedestal Grinder 7A 350 0.0 350.40 0.1752Pedestal Grinder 7B 350 0.0 350.40 0.1752Pedestal Grinder 43 350 0.0 350.40 0.1752Pedestal Grinder 43D 350 0.0 350.40 0.1752Pedestal Grinder 43A 350 0.0 350.40 0.1752

(1) For potential emissions, assume 0% control efficiency of PM controls 2.63Note: The original consideration of the building as a control has been removed. (2) Assume that all particulate emitted is PM-10Methodology:Potential Particulate Generated, lbs = (PM Generation Factor, lb/hr x Maximum Operating Hours)Particulate Available, lbs = (Particulate Generated, pounds) x ((100 - Collector Control Efficiency, %)/100)Particulate emissins (tons/yr) = particulate emissions (lbs/yr) / 2000 (lbs/ton)

3/3/2011
Appendix A: Emission Calculations Page 8 of 12 TSD 

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit No.: 145-30019-00029

Reviewer: Janet Mobley

Fiber CuttingSource Information:Actual Operating Hours 520Actual Particulate Collected, lbs 300Actual Control Efficiency, % 98 Engineering EstimatePM Generation Factor, lb/hr 0.5887 Calculated ValueMaximum Operating Hours 8,760 24 hrs/day, 365 days/yrAbove data is from Permit Renewal 145-21676-00029 issued May 1, 2006 Emission Calculations:

 Annual Collector Annual

Finishing Particulate Control Particulate Particulate Unit Generated Efficiency (1) Available Emissions (2)

(pounds/yr) % (pounds/yr) (tons/yr)

Potential Emissions:Fiberboard Cutting 5,157 0 5,156.99 2.58Methodology:Particulate Generated, lbs = (PM Generation Factor, lb/hr x 8760 Operating Hours )Particulate Available, lbs = (Particulate Generated, pounds) x ((100 - Collector Control Efficiency, %)/100)Particulate Emissions, tons/yr) = particulate emissions (lbs/yr) / 2000 (lbs/ton)(1) For potential emissions, assume 0% control efficiency of PM controlsNote: The original consideration of the building as a control has been removed.(2) Assume that all particulate emitted is PM-10

3/3/2011
Appendix A: Emission Calculations Page 9 of 12 TSD App A

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit No.: 145-30019-00029

Reviewer: Janet Mobley

Mills and Lathes, Potential VOC EmissionsSource Information used:Actual Annual Usage, gallons 165 Source verified the actual usage for this renewal was the same amount.Actual Plant Operation, hours/year 2,080 8 hrs/day, 5 days/week, 52 weeks/yearMaximum Operating Hours 8,760 24 hrs/day, 365 days/yrEmission Calculations:

 Actual Potential Coolant Annual Coolant

Finishing Coolant Coolant Density Coolant VOCUnit Used (1) Used (1) Used Content VOC Emissions 

(gallons/year) (gallons/year) (lb/gal) (lbs/yr) (%) lbs/yr tons/yr

Potential Emissions:Lathe No. 28 22.00 92.65 9.1 843.15 8.6 72.51 0.0363Mill No. 29 22.00 92.65 9.1 843.15 8.6 72.51 0.0363Lathe No. 45 22.00 92.65 9.1 843.15 8.6 72.51 0.0363Lathe No. 62 22.00 92.65 9.1 843.15 8.6 72.51 0.0363Lathe No. 50 22.00 92.65 9.1 843.15 8.6 72.51 0.0363Mill No. 59 22.00 92.65 9.1 843.15 8.6 72.51 0.0363Mill No. 60 22.00 92.65 9.1 843.15 8.6 72.51 0.0363Lathe No. 65 11.00 46.33 9.1 421.58 8.6 36.26 0.0181Total Potential Usage 165.00 694.90 0.2719

(1) Conservative - neglects coolant shipped offsite as waste, assume No. 65 uses half as much as other units(2) The previous assumption that the Coolant Wizard loses 1% of total coolant during processing has been deleted. The coolant wizard has been removed from thMethodology:Actual Annual Coolant Used by machine = Actual Annual Usage (total gallons used) at the source / 7.5 (the number of machines and counting Lathe No. 65 as onlPotential Coolant Used (gallons/year) = actual gallons used (gallons/year) * 8760 (max hrs/yr) / 2080 (actual plant operation, hrs/year)Annual Coolant Used (pounds) = potental coolant used (gal/yr) * coolant densityVOC emissions (lbs/yr) = potential coolant used (lbs) * coolant VOC content % / 100VOC emissions (tons/yr) = VOC emissions (lbs/yr) / 2000 (lbs/year)

Potential to Emit

3/3/2011
Freudenberg-NOK General Partnership

1004 W. Washington Street, Shelbyville, Indiana 46176

Permit Number: 145-30019-00029

Reviewer: Janet Mobley

MMBtu/hr MMCF/yr

0.7 6.0

 PM* PM10* SO2 NOx VOC Emission Factor in lb/MMCF 1.9 7.6 0.6 100.0 5.5 

**see below

0.01 0.02 0.00 0.30 0.02 

Methodology

Appendix A: Emissions Calculations 

Natural Gas Combustion Only

 MM BTU/HR <100

Space Heaters

Company Name: 

Address City IN Zip: 

Heat Input Capacity Potential Throughput

Pollutant

Potential Emission in tons/yr*PM emission factor is filterable PM only. PM10 emission factor is filterable and condensable PM10 combined.**Emission Factors for NOx: Uncontrolled = 100, Low NOx Burner = 50, Low NOx Burners/Flue gas recirculation = 32All emission factors are based on normal firing.MMBtu = 1,000,000 BtuMMCF = 1,000,000 Cubic Feet of GasPotential Throughput (MMCF) = Heat Input Capacity (MMBtu/hr) x 8,760 hrs/yr x 1 MMCF/1,000 MMBtuEmission Factors are from AP 42, Chapter 1.4, Tables 1.4-1, 1.4-2, 1.4-3, SCC #1-02-006-02, 1-01-006-02, 1-03-006-02, and 1-03-006-0(SUPPLEMENT D 3/98)Emission (tons/yr) = Throughput (MMCF/yr) x Emission Factor (lb/MMCF)/2,000 lb/ton
Small Boilers

Freudenberg-NOK General Partnership1004 W. Washington Street, Shelbyville, Indiana 46176

Permit Number: 145-30019-00029

Reviewer: Janet Mobley

 Benzene Dichlorobenzene Formaldehyde Hexane Toluene

2.1E-03 1.2E-03 7.5E-02 1.8E+00 3.4E-03

6.255E-06 3.574E-06 2.234E-04 5.361E-03 1.013E-05

 Lead Cadmium Chromium Manganese Nickel

5.0E-04 1.1E-03 1.4E-03 3.8E-04 2.1E-03

1.489E-06 3.276E-06 4.170E-06 1.132E-06 6.255E-06

Methodology is the same as previous page.Potential Emission in tons/yr

Appendix A: Emissions Calculations 

Natural Gas Combustion Only

 MM BTU/HR <100

HAPs - Metals

Emission Factor in lb/MMcfPotential Emission in tons/yrThe five highest organic and metal HAPs emission factors are provided above. Additional HAPs emission factors are available in AP-42, Chapter 1.4.

HAPs Emissions

Company Name: 

Address City IN Zip: 

HAPs - Organics

Emission Factor in lb/MMcf
Appendix A: Emission Calculations 

Company Name: Freudenberg-NOK General Partnership

Address City IN Zip: 1004 W. Washington Street, Shelbyville, Indiana 46176

Permit No.: 145-30019-00029

Reviewer: Janet Mobley

Parts Washer

Type of Operation 

and 

Solvent Used

Density of 

Solvent 

(lbs/gal)

VOC content of 

Solvent (%)

Maximum 

Solvent 

Used 

(gal/year)

Average 

Solvent Loss 

(%)

Potential 

Annual 

Solvent Loss 

(gals/yr)

Potential 

VOC 

emitted 

(tons/yr)

Mineral Spirits 6.59 100.00% 60.00 100.00 60.00 0.03

Methodology:Based on information provided by the source. Estimate is for 8760 hours of operation. Source Information given:Solvent Density, lbs/gallon and VOC content % based on MSDS SheetSolvent Used (gal/year) = 30 gallons 2x/yearPotential Annual Solvent Loss = Average solvent Loss (%) /100 * gallons of solvent used per yearGallons of Solvent lost/year (lbs) = potential annual solvent loss (gallons) * 2.5Potential VOC Emissions (lbs/year) = gallons of solvent lost/year (lbs) * density of solvent (lbs/gallon)Potental VOC emissions (tons/year) = potential VOC emitted (lbs/year) /2000 (lb/ton)Note: The original assumption that the average solvent loss (%) of 37.5 based on a US EPA Guidance was changed to 100% in this permit. 

3/3/2011
INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT

We Protect Hoosiers and Our Environment.

Mitchell E. Daniels Jr. 100 North Senate Avenue

Governor Indianapolis, Indiana 46204

(317) 232-8603

Thomas W. Easterly Toll Free (800) 451-6027

Commissioner www.idem.IN.gov

 Recycled Paper An Equal Opportunity Employer Please Recycle 

March 3, 2011

Mr. Robert Sams

Freudenberg-NOK General Partnership

555 Marathon Blvd

Findlay, OH 45840

Re: Public Notice

Freudenberg-NOK General Partnership

Permit Level: MSOP - Renewal

Permit Number: 145-30019-00029

Dear Mr. Sams:

Enclosed is a copy of your draft MSOP - Renewal, Technical Support Document, emission calculations, 

and the Public Notice which will be printed in your local newspaper. 

The Office of Air Quality (OAQ) has submitted the draft permit package to the Shelbyville – Shelby County 

Public Library, 57 W. Broadway in Shelbyville, IN. As a reminder, you are obligated by 326 IAC 2-1.1-6(c) 

to place a copy of the complete permit application at this library no later than ten (10) days after submittal 

of the application or additional information to our department. We highly recommend that even if you 

have already placed these materials at the library, that you confirm with the library that these materials 

are available for review and request that the library keep the materials available for review during the 

entire permitting process.

You will not be responsible for collecting any comments, nor are you responsible for having the notice 

published in the newspaper. The OAQ has requested that the Shelbyville News in Shelbyville, IN publish 

this notice no later than March 7, 2011.

Please review the enclosed documents carefully. This is your opportunity to comment on the draft permit 

and notify the OAQ of any corrections that are needed before the final decision. Questions or comments 

about the enclosed documents should be directed to Janet Mobley, Indiana Department of Environmental 

Management, Office of Air Quality, 100 N. Senate Avenue, Indianapolis, Indiana, 46204 or call (800) 451-

6027, and ask for extension 4-5373 or dial (317) 234-5373.

Sincerely, 

Michelle Denney

Permits Branch

Office of Air Quality

Enclosures

PN Applicant Cover letter. dot 3/27/08
INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT

We Protect Hoosiers and Our Environment.

Mitchell E. Daniels Jr. 100 North Senate Avenue

Governor Indianapolis, Indiana 46204

(317) 232-8603

Thomas W. Easterly Toll Free (800) 451-6027

Commissioner www.idem.IN.gov

 Recycled Paper An Equal Opportunity Employer Please Recycle 

ATTENTION: PUBLIC NOTICES, LEGAL ADVERTISING

March 3, 2011

The Shelbyville News

123 E. Washington St

P.O. Box 750

Shelbyville, IN 46176

Enclosed, please find one Indiana Department of Environmental Management Notice of Public 

Comment for Freudenberg-NOK General Partnership, Shelby County, Indiana.

Since our agency must comply with requirements which call for a Notice of Public Comment, we 

request that you print this notice one time, no later than March 7, 2011.

Please send a notarized form, clippings showing the date of publication, and the billing to the 

Indiana Department of Environmental Management, Accounting, Room N1345, 100 North 

Senate Avenue, Indianapolis, Indiana, 46204.

We are required by the Auditor’s Office to request that you place the Federal ID Number on all 

claims. If you have any conflicts, questions, or problems with the publishing of this notice or if 

you do not receive complete public notice information for this notice, please call Michelle 

Denney at 800-451-6027 and ask for extension 3-6867 or dial 317-233-6867. 

Sincerely,

Michelle Denney

Permit Branch

Office of Air Quality

cc: OAQ Billing, Licensing and Training Section 

Permit Level: MSOP - Renewal

Permit Number: 145-30019-00029 

Enclosure

PN Newspaper.dot 3/27/08
INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT

We Protect Hoosiers and Our Environment.

Mitchell E. Daniels Jr. 100 North Senate Avenue

Governor Indianapolis, Indiana 46204

(317) 232-8603

Thomas W. Easterly Toll Free (800) 451-6027

Commissioner www.idem.IN.gov

 Recycled Paper An Equal Opportunity Employer Please Recycle 

March 3, 2011

To: Shelbyville – Shelby County Public Library

From: Matthew Stuckey, Branch Chief

 Permits Branch 

 Office of Air Quality

Subject: Important Information to Display Regarding a Public Notice for an Air 

Permit

Applicant Name: Freudenberg – NOK General Partnership

Permit Number: 145-30019-00029

Enclosed is a copy of important information to make available to the public. This proposed 

project is regarding a source that may have the potential to significantly impact air quality. 

Librarians are encouraged to educate the public to make them aware of the availability of 

this information. The following information is enclosed for public reference at your library:

• Notice of a 30-day Period for Public Comment

• Request to publish the Notice of 30-day Period for Public Comment

• Draft Permit and Technical Support Document

You will not be responsible for collecting any comments from the citizens. Please refer all 

questions and request for the copies of any pertinent information to the person named 

below. 

Members of your community could be very concerned in how these projects might affect 

them and their families. Please make this information readily available until you 

receive a copy of the final package.

If you have any questions concerning this public review process, please contact Joanne SmiddieBrush, OAQ Permits Administration Section at 1-800-451-6027, extension 3-0185. Questions 

pertaining to the permit itself should be directed to the contact listed on the notice.

Enclosures

PN Library.dot 03/27/08
INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT

We Protect Hoosiers and Our Environment.

Mitchell E. Daniels Jr. 100 North Senate Avenue

Governor Indianapolis, Indiana 46204

(317) 232-8603

Thomas W. Easterly Toll Free (800) 451-6027

Commissioner www.idem.IN.gov

 Recycled Paper An Equal Opportunity Employer Please Recycle 

Notice of Public Comment

March 3, 2010

Freudenberg-NOK General Partnership

145-30019-00029

Dear Concerned Citizen(s):

You have been identified as someone who could potentially be affected by this 

proposed air permit. The Indiana Department of Environmental Management, in our 

ongoing efforts to better communicate with concerned citizens, invites your comment on 

the draft permit.

Enclosed is a Notice of Public Comment, which has been placed in the Legal 

Advertising section of your local newspaper. The application and supporting 

documentation for this proposed permit have been placed at the library indicated in the 

Notice. These documents more fully describe the project, the applicable air pollution 

control requirements and how the applicant will comply with these requirements.

If you would like to comment on this draft permit, please contact the person named in 

the enclosed Public Notice. Thank you for your interest in the Indiana’s Air Permitting 

Program. 

Please Note: If you feel you have received this Notice in error, or would like to be 

removed from the Air Permits mailing list, please contact Patricia Pear with the Air 

Permits Administration Section at 1-800-451-6027, ext. 3-6875 or via e-mail at 

PPEAR@IDEM.IN.GOV. If you have recently moved and this Notice has been 

forwarded to you, please notify us of your new address and if you wish to remain on the 

mailing list. Mail that is returned to IDEM by the Post Office with a forwarding address 

in a different county will be removed from our list unless otherwise requested.

Enclosure

PN AAA Cover.dot 3/27/08
FACSIMILIE OF PS Form 3877

Mail Code 61-53

IDEM Staff MIDENNEY 3/3/2011

Freudenberg-NOK General Partnership 145-30019-00029 (draft) AFFIX STAMP

HERE IF

USED AS

CERTIFICATE

OF MAILING

Name and 

address of 

Sender ► Indiana Department of Environmental 

Management

Office of Air Quality – Permits Branch

100 N. Senate

Indianapolis, IN 46204

Type of Mail:

CERTIFICATE OF 

MAILING ONLY

Line Article 

Number

Name, Address, Street and Post Office Address Postage Handing 

Charges

Act. Value

(If Registered)

Insured 

Value

Due Send if 

COD

R.R. 

Fee

S.D. Fee S.H. 

Fee

Rest. 

Del. Fee

Remarks

1 Robert Sams Freudenberg-NOK General Partnership 555 Marathon Blvd. Findlay OH 45840 (Source CAATS)

2 Joseph Katzemberger Engineering Mgr Freudenberg-NOK General Partnership 1004 W Washington Shelbyville IN 46176 (RO CAATS)

3 Mr. Charles L. Berger Berger & Berger, Attorneys at Law 313 Main Street Evansville IN 47700 (Affected Party)

4 Mr. Hugh Garner 10203 S Degelow Road Milroy IN 46156 (Affected Party)

5 Shelbyville City Council and Mayors Office 44 West Washington Shelbyville IN 46176 (Local Official)

6 Shelby County Commissioners 25 West Polk Shelbyville IN 46176 (Local Official)

7 Shelbyville Shelby Co Public 57 W Broadway Shelbyville IN 46176-1294 (Library)

8 Shelby County Health Department 1600 E. SR 44B Shelbyville IN 46176 (Health Department)

9 Margaret Brunk Shelby County Council PO Box 107 Fountaintown In 46130 (Affected Party)

10 Tami Grubbs Shelby County Council 2961 N 100 W Shelbyville In 46176 (Affected Party)

11

12

13

14

15

Total number of pieces

Listed by Sender

10

Total number of Pieces 

Received at Post Office

Postmaster, Per (Name of 

Receiving employee)

The full declaration of value is required on all domestic and international registered mail. The 

maximum indemnity payable for the reconstruction of nonnegotiable documents under Express 

Mail document reconstructing insurance is $50,000 per piece subject to a limit of $50, 000 per 

occurrence. The maximum indemnity payable on Express mil merchandise insurance is $500. 

The maximum indemnity payable is $25,000 for registered mail, sent with optional postal 

insurance. See Domestic Mail Manual R900, S913, and S921 for limitations of coverage on 

inured and COD mail. See International Mail Manual for limitations o coverage on international 

mail. Special handling charges apply only to Standard Mail (A) and Standard Mail (B) parcels.