Engineering Guides Notebook

Table of Engineering Guides

Ohio EPA's Operation and Maintenance Guidelines for Air Pollution Control Equipment

Availability of Draft for Comment – Draft Revision of Engineering Guide #69: Air Dispersion Guidance
June 26, 2018: The Ohio Environmental Protection Agency, Division of Air Pollution Control (DAPC) is providing a draft of the revised Engineering Guide #69 for public comment. The guide provides responses to many commonly asked modeling questions to develop a basis for consistent application of modeling methods and techniques. DAPC revised the guide to reflect significant revisions to 40 CFR Appendix W to Part 51 - Guideline on Air Quality Models.

DAPC will be accepting comments on the draft revision through July 27, 2018. Please see the draft document and  public notice (linked below) for information on changes and how to submit comments.

 

 

 

Engineering Guides Notebook

Table of Engineering Guides

Ohio EPA's Operation and Maintenance Guidelines for Air Pollution Control Equipment

Filename & Extension [PDF] Guide Name & Subject Matter Date Issued * Revised Date Applicable Rule(s) 3745-
Guide 1 Guide 1 - PTI/PTO for non-criteria pollutants Sept. 11, 1979, March 19, 1986*, Nov. 21, 2005* 31-02, 35-02
Guide 2 Guide 2 - Issuance of PTO for SO2 sources Dec. 13, 1979, March 19, 1986*, May 18, 2005* 35-01, 35-02
Guide 3 Guide 3 - Bake-off ovens: incinerator or process? Dec. 13, 1979, March 19, 1986*, May 4, 2005* 17-09
Guide 4 Guide 4 - VOC definition of "Potential to Emit" March 14, 1980, March 19, 1986*, June 22, 2005* 21-01, 21-07, 21-09
Guide 5 Guide 5 - VOC Exemption for fixed roof tanks March 14, 1980, March 20, 1986*, Jan. 4, 2007* 21-04, 21-09
Guide 6 Guide 6 - PTI for coal to oil conversion - Obsolete March 14, 1980, Dec. 5, 2016* 31-01
Guide 7 Guide 7 - "Process Weight" as used in -17-11 March 21, 1980, March 20, 1986*, Jan. 3, 2008* 17-01, 17-11
Guide 8 Guide 8 - Compliance tests at bulk gasoline terminals April 10, 1980, Nov. 25, 1980*, Dec. 17, 1982*, March 7, 2006*, July 28, 2014* 21-10
Guide 9 Guide 9 - PTI/PTO determinations for grain dryers (regarding the applicable requirements for existing and new grain dryers) May 9, 1980, Dec. 24, 2008* 17-08
Guide 10 Guide 10 - Applicable TSP rules for stone crushing plants May, 29, 1980, Nov. 13, 2006* 17-08
Guide 11 Guide 11 - Use of Table I for multiple source permits/de-rating June 20, 1980, March 13, 2007* 17-11
Guide 12 Guide 12 - GDFs-BAT, acceptable equipment for Stage II systems and witnessing tests June 25, 1980, Aug. 14, 2007*, May 20, 2008* 21-09, 31-05
Guide 13 Guide 13 - Procedures for EVEL determinations (reviewed on March 13, 2007, and no significant revisions were made) June 27, 1980, Feb. 27, 1981*, Dec. 23, 1994*, June 20, 1997*, March 13, 2007* 17-07
Guide 14 Guide 14 - Acceptability of past tests for EVELs June 27, 1980, Dec. 23, 1994*, March 13, 2007* 17-07
Guide 15 Guide 15 - Testing procedure to establish EVELs for identical sources (reviewed on March 13, 2007, and no significant revisions were made) July 15, 1980, Feb. 23, 1994*, June 20, 1997*, March 13, 2007* 17-07
Guide 16 Guide 16 - Conditions for requiring additional source compliance tests (regarding when additional emission tests should be required) Aug. 14, 1980, Feb. 6, 1985*, Nov. 9, 1988*, April 30, 1996*, Feb. 2, 2009*, 
Aug. 2017*
15-04
Guide 17 Guide 17 - Authority and criteria for requiring compliance tests at normal boiler operating rate Aug. 26, 1980, Nov. 13, 2006* 15-04, 17-07, 17-10, 35-02
Guide 18 Guide 18 - SO2 compliance determination methods for boilers Nov. 14, 1980, Nov. 7, 2016 18-04, 18-08
Guide 19 Guide 19 - Applicable TSP rules for coke oven battery combustion stacks Dec. 30, 1980, Jan. 3, 2008* 17-10
Guide 20 Guide 20 - Determination of compliance with visible emission limitations for stack sources Jan. 6, 1981, July 28, 2014* 17-03, 17-07
Guide 21 Guide 21 - BAT requirements for fugitive dust sources Jan. 22, 1981, Dec. 2, 2009* 17-08, 31-05
Guide 22 Guide 22 - Acceptability of manual covers for small open top vapor de-greasers and OAC Rule 3745-21-09(O) April 9, 1981, Nov. 9, 2009 21-09
Guide 23 Guide 23 - Determination of significant figures for TSP emission limitations April 24, 1981 17-10, 17-11
Guide 24 Guide 24 - Application of fugitive dust requirements to affected facilities May 8, 1981, July 28, 2014* 17-08
Guide 25 Guide 25 - Determination of source numbers and permit/variance fees for fugitive dust sources June 9, 1981, July 9, 2010* 17-04, 17-08
Guide 26 Guide 26 - Inclusion of weight of water in the weight of "Refuse" charged for incinerators June 9, 1981, July 28, 2014* 15-01, 17-09
Guide 27 Guide 27 - Determination of the heat input during a boiler stack test (regarding the use of the F-factor in emission test calculations) June 9, 1981, Dec. 26, 2008* 17-03
Guide 28 Guide 28 - Methods for ascertaining the uncontrolled mass rate of emission for Figure II of OAC rule 3745-17-11 June 30, 1981, Jan. 5, 2009* 17-11
Guide 29 Guide 29 - Applicability of the PTI rules to increases in capacity of a de-rated boiler Nov. 17, 1981 17-10, 31-02, 35-02
Guide 30 Guide 30 - Discontinuation of control measures for fugitive dust sources in non-appendix A areas Nov. 17, 1981, Dec. 4, 2009 15-07, 17-05, 17-08
Guide 31 Guide 31 - Grouping of emissions units in applying Figure II of OAC rule 3745-17-11 Dec. 18, 1981, Dec. 9, 2009 17-11
Guide 32 Guide 32 - When a variance permit may be issued to define alternative visible emission limitations for an emissions unit Jan. 14, 1981, Dec. 14, 2009* 17-07, 35-03
Guide 33 Guide 33 - Evaluation and processing of requests for scheduled maintenance Jan. 14, 1982, May 3, 1982, Feb. 24, 2004 15-06
Guide 34 Guide 34 - Procedures to shut down or reinstate emission units or facilities Jan. 14, 1982, March 12, 2012 OAC CH 31
Guide 35 Guide 35 - Calculation of VOC emissions from fixed and external floating roof storage tanks for the purpose of determining eligibility for registration status March 29, 1982, Dec. 11, 2009 35-05
Guide 36 Guide 36 - The grouping of fuel-burning equipment in determining the allowable emission rate from Figure I of OAC Rule 3745-17-10 March 29, 1982, Dec. 29, 2009* 17-10
Guide 37 Guide 37 - Whether product separation/recovery equipment constitute control equipment May 18, 1982, Aug. 11, 2010 17-11
Guide 38 Reserved    
Guide 39 Guide 39 - Conversion to exempt organic compounds to create emission offsets under the bubble concept and PTI Aug. 25, 1982 21-01, 31-05, 35-03
Guide 40 Guide 40 - Stack testing methods for particulate emissions from process equipment and incinerators Nov. 5, 1982 17-03, 17-09, 17-11
Guide 41 Guide 41 - Stack testing methods for particulate emissions from fuel-burning equipment Nov. 5, 1982 17-03, 17-10
Guide 42 Guide 42 - Definition of BAT for new sources - Obsolete Dec. 30, 1982,
Feb. 21, 2018
31-05
Guide 43 Guide 43 - Special terms and conditions for PTOs and variances March 28, 1983, Feb. 6, 1985*, Feb. 20, 1986*, June 1, 1988*, April 18, 1989*, July 25, 1991*, Feb. 7, 1992*, Nov. 7, 1993*, March 2, 1995* 35-02, 35-03
Guide 44 Guide 44 - Portable Source Permitting, Relocation, and Compliance April 5, 1983, April 14, 2006*, April 14, 2010*, May 16, 2016* 31-03
Guide 45 Guide 45 - Calculation of "Potential to Emit" for surface coating lines
Painting-Coating PTE Calculator
Nov. 7, 2017 Oct. 21, 1983* 21-01, 21-07, 21-09
Guide 46 Guide 46 - Determination of cost-effectiveness for BAT and RACM evaluations Dec. 5, 1983 17-08, 31-05
Guide 47 Guide 47 - Application of TSP emission limitations to cyclones at alfalfa dehydrating plants Nov. 30, 1984 17-11
Guide 48 Guide 48 - VOC compliance determinations for coating lines Nov. 7, 2017 Nov. 30, 1984* 21-09
Guide 49 Guide 49 - Particulate emission testing during boiler soot-blowing operations Dec. 17, 1985 17-10
Guide 50 Guide 50 - Use of waste oils for road dust suppression Feb. 11, 1986, May 7, 1999* 17-08
Guide 51 Guide 51 - Number of sampling runs to be witnessed by agency observers Feb. 14, 1986, Sept. 12, 2014 17-03
Guide 52 Guide 52 - Criteria for requiring the use of continuous emission monitors Feb. 14, 1986, Dec. 11, 1991*, April 3, 1996* 15-04
Guide 53 Guide 53 - Interpretation of open burning standards - 06/19/2018 obsolete - Click here for guidance on open burning. Dec. 17, 1986, Feb. 20, 1992*, July 22, 1994* 19-01, 19-03, 19-04, 19-05
Guide 54 Guide 54 - Use of brine for road dust suppression Jan. 13, 1987 15-07, 17-08
Guide 55 Guide 55 - Precautions in use of Method 24 for water-based coatings March 15, 1989, July 28, 2014* 21-10
Guide 56 Guide 56 - Regulation and control of emissions from heatset web offset printing lines March 16, 1990, June 15, 1999* 17-03, 17-07, 17-11, 21-01, 21-07, 21-10, 31-05, 35-03
Guide 57 Guide 57 - Reasonably available control measures for fugitive dust emissions from highway construction and maintenance projects Dec. 9, 1992, April 3, 1996*, Sept. 5, 1996* 17-08
Guide 58 Guide 58 - Definition of "Facility" for Ohio Title V permit program March 31, 1995 77-01
Guide 59 Guide 59 - Identification of required fields in a Title V permit application Dec. 27, 1995 77-03
Guide 60 Guide 60 - Assigning source numbers and PTI fees for processes subject to leak detection programs March 2, 1995 21-09, 31-02
Guide 61 Guide 61 - Policy on limiting potential to emit of a facility to avoid Title V permit applicability. Please check the Aug. 20, 1998 update concerning extension of deadline for FESOPs April 27, 1995, Nov. 6, 1995*, Sept. 5, 2006* 77-01, 35-07
Guide 62 Guide 62 - Identification of trivial air contaminant emission activities for preparing Title V permit applications April 27, 1995, Nov. 6, 1995* 77-01, 15-05
Guide 63 Guide 63 - Guidance on the need to revise Title V permit applications for changes in federally required information Aug. 29, 1995, June 3, 2003* 77-01, 77-04, 77-07, 77-08
Guide 64 Guide 64 - Clarification on addressing emergency action plan requirements in Title V permit applications Oct. 24, 1995 25-03
Guide 65 Guide 65 - Monitoring, record-keeping and reporting requirements for various types emission units - 06/19/2018 obsolete - See the Terms and Conditions Library for appropriate terms and conditions. May 17, 1996, Nov. 1, 1996* 77-03, 77-04
Guide 66 Guide 66 -  Continuous parametric monitoring systems (CPMS) requirements for emissions units Sept. 18, 1996 21-07, 21-08, 21-09, 31-05, 35-02, 57-47, 74-06, 75-04
Guide 67 Guide 67 - A new guide that provides guidance on how U.S. EPA's "Once In, Always In" policy affects the applicability of a Maximum Achievable Control Technology ("MACT") standard to a facility and the requirement that the facility obtain a Title V permit to comply with the MACT standard. A number of questions regarding this subject are answered - Obsolete; policy withdrawn Feb. 28, 2005
Jan. 25, 2018*
-
Guide 68 Guide 68 - Calculation of potential to emit (PTE) for non-heatset or sheet-fed printing presses to determine eligibility for PTI exemption July 7, 1997 31-03
Guide 69 Guide 69 - Air dispersion modeling guidance Table 3 July 1, 2003, July 28, 2014* 31-25
Guide 70 Guide 70 - Guidance on evaluating emissions of toxic air pollution compounds when processing Permit-to-Install (PTI) applications
Hodanbosi Memo
May 9, 2017  3745-31, 114-01
Guide 71 Guide 71 - Requirements for reporting emissions from very small emissions units in the annual fee emission reports  Aug. 6, 2001, Jan. 23, 2003*, Jan. 6, 2011* 15-05, 78-02
Guide 72 Guide 72 - Guidance on when it is appropriate for the regulated community to group emissions unit IDs for certain emissions reporting purposes Revoked Dec. 30, 2009 - Refer to eBusiness Center: Air Services emissions reporting electronic "Help" pages for assistance - Revoked Dec. 30, 2009 Jan. 30, 2004  
Guide 73 Guide 73 - Answers several questions concerning procedures and policy on visible emission observations by field inspectors and the use of visible emission test methods April 27, 2005  
Guide 74 Condensable and non-condensable particulate matter May 9, 2017 3745-17, 31-05, NSPS and NESHAPS
Guide 75 Guide 75 - Prepared in response to numerous questions from the Ohio EPA District Offices and Local Air Agencies and the regulated community concerning the proper application of OAC rules 3745-17-07, 3745-17-08, and 3745-17-11 to fugitive dust sources and/or process equipment March 6, 2009 17-07,17-08, 17-11
Guide 76 Guide 76 - Ohio EPA's policy for incorporating MACT, NESHAP and NSPS requirements in Ohio air permits March 11, 2008  
Guide 77 Guide 77 - Prepared to address questions from the Ohio EPA District Offices and Local Air Agencies and the regulated community concerning the proper application of amended OAC rule 3745-21-07 to emissions units that generate organic compound emissions Aug. 24, 2009 21-07
Guide 78 Guide 78 - Describes procedures used for owner or operators of municipal waste landfills to obtain either alternative timeline or higher operating collection well temperature, oxygen, nitrogen or pressure requirements Dec. 15, 2010 NSPS WWW
Guide 79 Guide 79 - Explains the procedure to follow upon receipt of a permit application requiring emission reductions or Emission Reduction Credits (ERCs) for the purpose of offsets or a permit application requiring emission reductions or ERCs for netting April 4, 2011 11131-22, 31-24, 31-25, 31-26, 31-27 
Guide 80 Guide 80 - Methods for calculating potential to emit (PTE) March 2, 2012 15-05, 21-12, 31-01, 31-03, 31-05, 77, MACT, NNSR, PSD, USEPA Final Rule 11-12, 67FR 80186-01
Guide 81 Guide 81 - Emission unit ID assignment March 12, 2012 21-07, 17-01
Guide 82 Guide 82 - Ultra low sulfur diesel fuel permitting flexibility Sept. 17, 2014, Oct. 1, 2014*  31-05
Guide 83 Emission Testing Production Rates for Asphalt Plants  April 25, 2017  15-04, 31-05
Guide 85 Guide 85 - July 2014 greenhouse gas air pollution permitting changes Aug. 26, 2014  31-34, 77-11
Guide 86 Guide 86 - Guidance concerning appropriate 31-05 rule citations Nov. 12, 2014   31-05
Guide 87 Guide 87 - Guidance concerning rule citations for the <10 tons/year BAT exemption Nov. 12, 2014, June 5, 2015*  31-05
Guide 88 Guide 88 - MACT and GACT Guidance  Feb. 25, 2016, March 21, 2018*,
April 10, 2018*
40 CFR Part 63 (MACT) 
Guide 89 Guide 89 – Determining When a Best Available Technology Cost-Effectiveness Study is Needed Nov. 4, 1999 (Draft), February 1, 2016   31-05 
Guide 90 Guide 90 – Guidance for Law Enforcement Agencies in Managing Pharmaceutical Waste and Contraband Sep. 26, 2017 40 CFR Part 60, Subpart EEEE
       

 

"Keyword(s)"

Applicable Engineering Guide Number (.pdf or .html)

A

Ambient air monitoring (particulate matter)

43

Aggregate plants

10

Alfalfa dehydrating plants

47

B

Bake-off ovens

3

Best available technology (BAT)

-

....continuous parametric monitoring systems

66

....cost-effectiveness of

46, 89

....definition

-

....fugitive dust sources

21

....gasoline dispensing facilities

12

....grain dryers

9

....heatset web offset printing lines

56

....rule citations 
 86, 87

Brine (for dust control)

54

Bubble concept

39 & 48

Bulk gasoline terminals

8

C

Capture efficiency (for dryers)

56

Cleanup materials (for printing lines)

56 & 68

Coal quality

-

....specifications

43

....sampling/analysis/reporting

43

Coke oven batteries

19

....combustion stacks

19

Column dryers

9

Compliance demonstrations

8, 16, 17, 18, 24, 27, 28, 43, 48, 49 & 51

Condensible emissions

40, 41 & 56

Continuous emission monitors

18, 43 & 52

Continuous parametric monitoring systems

66

Contraband
90

Control equipment

37

....general

37 & 66

....storage tanks

35

....heatset web offset printing lines

56

Cost-effectiveness

24, 42, 46 & 89

Cost

-

....capital

46

....annual

46

Cyclones

47

D

De-greasers (open-top vapor de-greasers)

22

De-rating (of fuel burning equipment)

29, 36 & 43

Deterioration ("significant and avoidable")

30

Dispersion Modeling

69

Drugs
90

Dryers (for heatset inks)

56

Dust suppressants

50 & 54

E

Emission activities

-

....de minimus

62

....insignificant

62

....trivial

62

Emission factors

28

Emission limitations

-

....particulate

36

....in PTO's and variances

43

Emission offset (organic compounds)

39

Emission tests

-

....capture efficiency

56

....general

46 & 51

....organic compounds

8, 43 & 56

....particulates

13, 14, 15, 17, 27, 28, 32, 40, 41, 43, 47, 49 & 56

....sulfur dioxide

18

Emergency generators (potential to emit)

61

Emergency Action plans

64

Emission units

 

....assigning ID #

60

....dispersion modeling of

69

....continuous paremetric monitoring systems

66

....monitoring, record-keeping and reporting programs

65

Equivalent visible emission limitations (EVEL's)

13, 14, 15, 17, 43 & 56

Exempt organic compounds

4, 39 & 56

F

Facility

58

Fees

25, 60, 61, 71

F-factor

27

Fuel burning equipment

6, 17, 19, 27, 29 & 41

....de-rating

36 & 43

....grouping

36

....new sources

36

....physically & operationally united

31

....soot-blowing operations

49

....stand-by equipment

36

Fuel sampling

18, 82

Fuel switching (coal to oil)

6

Fugitive dust

10, 21, 24, 25, 30, 43, 50, 54 & 57

G

Gasoline dispensing facilities

12

Grain dryers

9

Greenhouse Gas
 85

Grouping

 

....of fuel burning equipment

36

....of process sources

11 & 31

H

Heat balances

27

Heatset web offset printing lines (HWOPL's)

56

Highway construction and maintenance projects (dust)

57

I

Inactive sources

34

Incinerators

-

....general

3 & 40

....liquid wastes

26

....sewage sludge

26

Inherent physical limitation

61

Insignificant activities

62

L

Leak detection programs (for process fugitive VOC emissions)

60

Lithographic Printing

56 & 68

Landfill

78

M

Maintenance

33 & 43

Malfunctions

16 & 43

Material balances

28

Mobile facilities (relocation of )

44

Modeling (of air contaminant sources)

69

Modifications (of existing sources)

6, 16, 29 & 31

Monitoring Programs

65

N

New Sources

-

....best available technology, BAT

42

....fuel burning equipment

36

Non-criteria pollutants

1

O

Opacity

13, 14, 15, 16, 17, 20, 24 & 32

Open burning

53

Organic compounds

4, 39, 56 & 68

Organic materials

56

P

Parametric monitoring requirements

66

Parking areas (unpaved)

50 & 54

Permits (state)

-

....to install, PTI

1, 6, 12, 21, 29, 34, 42, 44, 60 & 68

....to install, exemption, printing lines

68

....federally enforceable state operating permit

61

....to operate, PTO

1, 2, 5, 8, 13, 14, 15, 16, 19, 24, 25, 29, 31, 34, 43, 44 & 65

Permits (Title V)

-

....applicability determination

61 & 62

....changes to application fields

63

....definition of "facility"

58

....emergency action plans

64

....fees

61

....inherent physical limitation

61

....insignificant activities

61 & 62

....modifications of

63

....monitoring programs for

65

....permit shield

63

....potential to emit

61

....reporting programs for

65

....required fields in applications

59

....trivial emission activities

62

....two-year transition period

61 (please refer to the 8/20/98 update concerning extension to FESOP deadlines)

Pharmaceuticals
90

Photochemically reactive materials

56

Physically and operationally united

-

....fuel burning equipment

36

....process equipment

31

Potential to emit

4, 45, 68 & 80

Potential to emit for emergency generators

61

Portable facilities (relocation of)

44

Printing lines

56 & 68

Priorities (for fugitive dust control program)

24

Process equipment

7, 11, 23, 28, 31, 37 & 40

Process weight rate

7, 11, 31 & 47

Product recovery systems

37 & 47

Product separation systems

37

Q

Quarrying operations

10

R

Rack dryers

9

Reasonably available control technology/measures (RACT or RACM)

-

....coke oven combustion stacks

19

....cost-effectiveness of

46

....fugitive dust sources

24

....grain dryers

9

....highway construction and maintenance projects

57

Record-keeping program

65

Relocation (of portable/mobile sources)

44

Reporting Program

65

Registration status

24, 31 & 35

Roadway (unpaved)

50 & 54

Rounding off

23

S

Sampling runs

51

Scheduled maintenance

33

Shutdowns

34

Significant figures

23

Soot-blowing operations

49

Special terms and conditions (of PTO's and variances)

43, 50 & 54

Stand-by equipment (fuel burning equipment)

36

Stone crushing operations

10

Storage tanks

-

....fixed roof

5 & 35

....gasoline

12

....registration status

35

Sulfur dioxide (SO2)

2 & 18

Surface coating lines

-

....potential to emit

45

....compliance determinations

48

T

Take-back Drugs
90

Terms and Conditions

65

Thirty-day rolling, weighted average

18

U

Uncontrolled mass rate of emission (UMRE)

28, 31, 37 & 56

Used Oils

50

V

Variances

5, 32, 39, 43 & 56

Visible emissions

13, 14, 15, 16, 17, 20, 24, 32, 56 & 57

Volatile organic compounds

-

....content analysis

55

....process fugitive emissions - leak detection

60

 W

Waste oils (for dust control)

50

Water (as part of process weight)  7 & 47
   

Ohio Administrative Code (OAC) Rule

Applicable Engineering Guide Number (.pdf or .html)

General Provisions

3745-15-01

26

3745-15-04

16, 17 & 52

3745-15-05

62, 71, 80

3745-15-06

33

3745-15-07

30 & 54

Particulate Matter Standards

3745-17-01

7, 81

3745-17-03

20, 27, 40, 41, 51 & 56

3745-17-04

25

3745-17-05

30

3745-17-07

13, 14, 15, 17, 20, 32, 56 & 57

3745-17-08

9, 10, 21, 24, 30, 46, 50 & 57

3745-17-09

3, 26 & 40

3745-17-10

17, 19, 23, 29, 36, 41 & 49

3745-17-11

7,11, 23, 28, 31, 37, 40, 47 & 56

Sulfur Dioxide Regulations

3745-18-04

18

3745-18-08

18

Open-burning Standards

3745-19-01

53

3745-19-03

53

3745-19-04

53

3745-19-05

53

CO, Ozone, Hydrocarbon Air
Quality Standards and Related Emission Requirements

3745-21-01

4, 39, 45 & 56

3745-21-04

5

3745-21-07

4, 45, 56, 66 & 81

3745-21-08

66

3745-21-09

4, 5, 12, 22, 45, 48, 52, 60 & 66

3745-21-10

8, 55 & 56

3745-21-12

80

Emergency Episode Standards

3745-25-03

64

Permit to Install

3745-31-01

6, 38, 69, 80

3745-31-02

1, 29, 34, 44, 60 & 63

3745-31-03

44, 80

3745-31-05

12, 21, 38, 42, 46, 56, 66, 80, 82, 86, 87, 89 & 90

3745-31-25

69

3745-31-34
85

Incinerators

3745-57-47

52

Total Reduced Sulfur

3745-73-04

52

Title V Permits

3745-77

80

3745-77-01

58, 61, 62, 63

3745-77-03

59

3745-77-04

63

3745-77-07

63, 65 & 66

3745-77-08

63

3745-77-11
85

Air Pollution Control Fees

3745-78-02 71