EPA-Approved Air Pollution Control Regulations for Pima County, Arizona

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

The following documents and tables contain the contain EPA approved regulations for Pima County and are part of the Arizona State Implementation Plan (SIP). EPA's Pacific Southwest Office maintains these tables and will update them to reflect any changes the official tables codified in the Code of Federal Regulations. To find the status of SIP submittals, visit SIP Status Reports.

On this page:

Compiled Rules and Regulations

Free viewers and readers are available to access documents on our website. If you encounter issues with assistive technology, please contact us.

EPA-Approved Pima County Air Pollution Control Regulations

Pre-1976 Rule Codification

Regulation I - General Provisions

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 2 Definitions February 20, 1975 May 11, 1977, 42 FR 23802 Submitted on February 20, 1975.
Rule 3 Standard Conditions December 20, 1971 July 27, 1972, 37 FR 15080 Submitted on May 26, 1972.
Rule 19 Decisions of Hearing Board; Subpoenas; Effective Date December 20, 1971 July 27, 1972, 37 FR 15080 Submitted on May 26, 1972.
Rule 20 Judicial Review; Grounds; Procedures December 20, 1971 July 27, 1972, 37 FR 15080 Submitted on May 26, 1972.
Rule 21 Notice of Hearing; Publication; Service December 20, 1971 July 27, 1972, 37 FR 15080 Submitted on May 26, 1972.
Rule 22 Hearing Board Fees December 20, 1971 July 27, 1972, 37 FR 15080 Submitted on May 26, 1972.

Regulation II - Emissions Prohibited

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 2B Emissions of Particulate Matter March 19, 1974 September 19, 1977, 42 FR 46926 Submitted on March 19, 1974.
Rule 3 Emissions of Gases, Vapors, Fumes or Odors December 20, 1971 July 27, 1972, 37 FR 15080 Submitted on May 26, 1972.
Rule 5 Organic Solvents December 20, 1971 July 27, 1972, 37 FR 15080 Submitted on May 26, 1972.
Rule 7 Emissions of Certain Sulfur Compounds December 20, 1971 July 27, 1972, 37 FR 15080 Submitted on May 26, 1972.

1976-1978 Rule Codification

Regulation I - General Provisions

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 2, paragraphs uu-yy Definitions June 21, 1976 July 19, 1977, 42 FR 36998 Submitted on September 30, 1976.

Regulation II - Fuel Burning Equipment

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 2G (Paragraphs 1-4c) Particulate Emissions June 21, 1976 July 19, 1977, 42 FR 36998 Submitted on September 30, 1976.
Rule 7A (Paragraphs 1 and 6) Emission Limitation, Fuel Burning Equipment - Sulfur Dioxide June 21, 1976 July 19, 1977, 42 FR 36998 Submitted on September 30, 1976. Paragraphs 2 to 5 were disapproved. See 42 FR 36998 (July 19, 1977).
Rule 7B (Paragraphs 1-4) Emission Limitation, Fuel Burning Equipment – Nitrogen Oxides June 21, 1976 July 19, 1977, 42 FR 36998 Submitted on September 30, 1976.

Regulation VII - New Source Performance Standards

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Regulation VII (Paragraphs A-D) Standards of Performance for New Stationary Sources June 21, 1976 July 19, 1977, 42 FR 36998 Submitted on September 30, 1976.

Regulation VIII - National Emission Standards for Hazardous Air Pollutants

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Regulation VIII (Paragraphs A-C) Emissions Standards for Hazardous Air Pollutants June 21, 1976 July 19, 1977, 42 FR 36998 Submitted on September 30, 1976.

1979-1993 Rule Codification

Chapter I: General Provisions

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 101 Declaration of Policy August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 102 Purpose August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 103 Authority August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 111 General Applicability August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 112 State and/or County August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 113 Limitations August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 121 Air Quality Control District August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 122 Executive Head August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 123 Governing Body August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 151 Severability Clause August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 161 Format August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 162 Headings and Special Type August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 163 Use of Number and Gender August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 165 Effective Date August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 166 Adoption by Reference December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Rule 171 Words, Phrases, and Terms December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Rule 171 [paragraphs B.1 (“Air Contaminant or Air Pollutant”, B.1.a (“Common Air Pollutant”), B.7 (“Emission or Emissions”), B.8 (“Source or Existing Source”), C.1.a (“Existing Source”), C.1.b (“New Source”), C.2.a (“Major Source”), C.2.c (“New Major Source”), C.2.d (“Modification or Alteration”), C.3.a (“Stationary Source”), E.1.b (“Lowest Achievable Emission Rate” )] Words, Phrases, and Terms August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on October 9, 1979.
Rule 172 Meanings of Mathematical Symbols August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 173 Chemical Symbols and Abbreviations August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 174 Scientific Units August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 175 Acronyms December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†

Chapter II: Permits

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 201 Statutory Authority August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 202, paragraph D only Installation Permits December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Rule 202 Installation Permits August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 203 Operating Permits August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 211 Permit Application August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 212 Sampling, Testing, and Analysis Requirements August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 213 Public Notification/Public Comments August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 215 Permit Revocation August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 221 General Control August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 222 Permit Display or Posting August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 223 Permit Transferability August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 224 Fugitive Dust Producing Activities August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 225 Open Burning Permit Conditions August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 226 Permits for State-Delegated Emission Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 231 Non-Compliance August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 232 Notification of Denial August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 241 General Provisions August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 242 Installation Permit Fees/Non-Fee Requirements June 1, 1981 April 16, 1982, 47 FR 16326 Submitted on June 1, 1981.
Rule 243 Open Burning Permit Fees August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 244 Operating Permit Fees August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 251 Permit Fee Studies Related to Inflation August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 252 Periodic Review of Individual Fee Schedules August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 261 Compliance Inspections June 1, 1981 April 16, 1982, 47 FR 16326 Submitted on June 1, 1981.
Tables Cited by Rules in Chapter II
County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Table 242 Activity Installation Permit Requirements for Construction/Destruction Activities August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Table 243 Open Burning Permit Fee Schedules June 1, 1981 April 16, 1982, 47 FR 16326 Submitted on June 1, 1981.
Table 244-A Equipment Operating Permit Fee Schedules for Categorical Sources June 1, 1981 April 16, 1982, 47 FR 16326 Submitted on June 1, 1981.
Table 244-B Equipment Operating Permit Fee Schedules for Non-Categorical Sources June 1, 1981 April 16, 1982, 47 FR 16326 Submitted on June 1, 1981.
Table 244-C Activity Operating Permit Fee Requirements August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.

Chapter III: Universal Control Standards

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 301 Planning, Constructing, or Operating Without a Permit August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 302 Non-Compliance with Applicable Standards August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 312 Asphalt Kettles August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 313 Incinerators August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 314 Petroleum Liquids August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 315 Roads and Streets August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 316 Particulate Materials August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 318 Vacant Lots and Open Spaces August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 321 Standards and Applicability August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 331 Applicability August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 332 Compilation of Mass Rates and Concentrations August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 341 Applicability August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 342 Mass - Concentration Ceilings August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 343 Visibility Limiting Standards August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 344 Odor Limiting Standards August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 371 Tucson Nonattainment Areas December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Rule 372 Ajo Area December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Rule 373 General County Areas December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Figure 371-A Tucson Nonattainment Area for Total Suspended Particulates December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Figure 371-C Tucson Nonattainment Area for Carbon Monoxide December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Figure 372 Approximate Boundaries of Ajo Area December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Rule 381, paragraph A, subparagraphs 1, 2, 3, 4, and 5, and paragraph B only ADHS Nonattainment-Area Standards December 6, 1983 August 10, 1988, 53 FR 30220; vacated; restored on January 29, 1991, 56 FR 3219 Submitted on October 18, 1985.†
Tables Cited by Rules in Chapter III
County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Table 321, excluding the “Asbestos-Containing Operation” standards Emissions-Discharge Opacity Limiting Standards August 17, 1979 April 16, 1982, 47 FR 16326 Approval excludes the “Asbestos-Containing Operation” standards. Submitted on October 9, 1979.
Table 332, excluding lines (h)-(m) Emissions-Discharge Mass Limiting Standards August 17, 1979 April 16, 1982, 47 FR 16326 Approval excludes lines (h)-(m). Submitted on October 9, 1979.
Table 341, excluding the Beryllium ceilings Maximum Allowable Pollutant-Concentration Ceilings in Ambient Air August 17, 1979 April 16, 1982, 47 FR 16326 Approval excludes the beryllium ceilings. Submitted on October 9, 1979.

Chapter IV: Performance Standards for New Major Sources

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 402 Stack and Shop Emissions August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 403 Applicability of More Than One Standard August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 411 Tucson Area August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 412 Ajo Area August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 413 General County Areas August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 421 Applicability August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on October 9, 1979.
Rule 422 TSP Clean Air Plan August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on October 9, 1979.
Rule 423 TSP Emission Data Bank August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on October 9, 1979.
Rule 424 Emission Offset Requirement August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on October 9, 1979.
Rule 425 Lowest Achievable Emission Rate August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on October 9, 1979.
Rule 426 Existing Sources in Compliance August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on October 9, 1979.

Chapter V: Testing and Monitoring

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 501 Applicability of Methodology August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 502 Testing Frequencies August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 503 Notification; Fees August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 504, part E, paragraph 2 Pre-Installation Testing or Modeling Requirements August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on June 1, 1981.
Rule 504 Pre-Installation Testing or Modeling Requirements August 17, 1979 July 7, 1982, 47 FR 29532 Submitted on October 9, 1979.
Rule 505 Sampling and Testing Facilities August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 506 Stack Sampling August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 507 Waiver of Test Requirements August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 511 General Requirements August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 512 In-Stack Monitoring August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.

Chapter VI: Recordkeeping and Reporting

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Regulation 60 (“Classification of Pollutants”), Rule 601 Classification of Common and Hazardous Air Pollutants August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 611, paragraph A only Recordkeeping for Compliance Determinations June 1, 1981 April 16, 1982, 47 FR 16326 Approval included paragraph A only. Submitted on June 1, 1981.
Rule 611, paragraphs A.1 to A.3 only Recordkeeping for Compliance Determinations August 17, 1979 April 16, 1982, 47 FR 16326 Approval included paragraphs A.1 to A.3 only. Submitted on October 9, 1979.
Rule 612 Recordkeeping for Emissions Inventories August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 621 Reporting for Compliance Evaluations August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 622 Reporting as a Permit Requirement August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 623 Reporting for Emissions Inventories August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 624 Reporting for TSP Emission Data Bank August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 631 Confidentiality of Trade Secrets, Sales Data, and Proprietary Information August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 641 Suppression; False Information August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Tables Cited by Rules in Chapter VI
County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Table 603 Methodology for Entering Records of Emissions into TSP Data Bank August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.

Chapter VII: Violations and Judicial Procedures

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 701 Criminal Complaint August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 703 Injunction August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 704 Precedence of Actions August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 705 Penalties August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 706, paragraphs D.1 and D.2 only Reviews for Startup, Shutdown, or Malfunctions August 17, 1979 April 16, 1982, 47 FR 16326 Approval included paragraphs D.1 and D.2 only. Submitted on June 1, 1981.
Rule 706, paragraphs A to C, D.3, D.4, and E only Reviews for Startup, Shutdown, or Malfunctions August 17, 1979 April 16, 1982, 47 FR 16326 Approval included paragraphs A to C, D.3, D.4, and E only. Submitted on October 9, 1979.
Rule 721 Evasion of Basic Requirements August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 722 Concealment of Emissions August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.

Chapter VIII: Emergency Episodes and Public Awareness

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 801 State Jurisdiction August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 802 Determination of Emergency Conditions August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 803 Emergency Episode Reporting August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 804 Enforcement Actions August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 811 Continuous Monitoring of Ambient Air Pollution August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 821 Reports to the Public August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 822 General Information August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 823 Public Participation in Rulemaking August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Tables Cited by Rules in Chapter VIII
County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Table 802 Air Pollution Episode Criteria August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Table 804 Possible Control Actions During Various Stages of an Air Pollution Episode August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.

Chapter IX: Appendix

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Rule 901 General Affidavit of Delegation August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 902 Political Sub-Divisions Delegation August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 903 Large Power Plants Delegation August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 904 Unpaved Roads Delegation August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 1 Sample and Velocity Traverses for Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 2 Determination of Stack Gas Velocity and Volumetric Flow Rate (Type S Pitot Tube) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 3 Gas Analysis for Carbon Dioxide, Excess Air, and Dry Molecular Weight August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 4 Determination of Moisture in Stack Gases August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 5 Determination of Particulate Emissions from Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 6 Determination of Sulfur Dioxide Emissions from Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 7 Determination of Nitrogen Oxide Emissions from Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 8 Determination of Sulfuric Acid Mist and Sulfur Dioxide Emissions from Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 9 Visual Determination of the Opacity of Emissions from Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 10 Determination of Carbon Monoxide Emissions from Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 11 Determination of Hydrogen Sulfide Emissions from Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 16 Semi-Continuous Determination of Sulfur Emissions from Stationary Sources August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 17 Determination of Particulate Emissions from Stationary Sources (In-Stack Filtration Method) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 19 Determination of Sulfur Dioxide Removal Efficiency and Particulate, Sulfur Dioxide and Nitrogen Oxides Emission Rates from Electric Utility Steam Generators June 1, 1981 April 16, 1982, 47 FR 16326 Submitted on June 1, 1981.
Rule 911 (“Emissions Discharge Testing for Common Air Pollutants”), Method 20 Determination of Nitrogen Oxides, Sulfur Dioxide and Oxygen Emissions from Stationary Gas Turbines June 1, 1981 April 16, 1982, 47 FR 16326 Submitted on June 1, 1981.
Rule 913 (“Ambient Air Testing for Common Air Pollutants”), Method A Reference Method for the Determination of Sulfur Dioxide in the Atmosphere (Pararosaniline Method) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 913 (“Ambient Air Testing for Common Air Pollutants”), Method B Reference Method for the Determination of Suspended Particulates in the Atmosphere (High Volume Method) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 913 (“Ambient Air Testing for Common Air Pollutants”), Method C Measurement Principle and Calibration Procedure for the Continuous Measurement of Carbon Monoxide in the Atmosphere (Non-Dispersive Infrared Spectrometry) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 913 (“Ambient Air Testing for Common Air Pollutants”), Method D Measurement Principle and Calibration Procedure for the Measurement of Ozone in the Atmosphere August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 913 (“Ambient Air Testing for Common Air Pollutants”), Method E Reference Method for Determination of Hydrocarbons Corrected for Methane August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 913 (“Ambient Air Testing for Common Air Pollutants”), Method F Measurement Principle and Calibration Procedure for the Measurement of Nitrogen Dioxide in the Atmosphere (Gas Phase Chemiluminescence) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 913 (“Ambient Air Testing for Common Air Pollutants”), Method G Reference Method for the Determination of Lead in Suspended Particulate Matter collected from Ambient Air August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 913 (“Ambient Air Testing for Common Air Pollutants”), Method H Interpretation of the National Ambient Air Quality Standards for Ozone August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 921 General Specifications August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 922 Performance Specification 1 (Opacity) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 923 Performance Specification 2 (SO2 and NOX) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 924 Performance Specification 3 (CO2 and O2) August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 931 Guideline on Air Quality Models August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.
Rule 932 Workbook for Comparison of Air Quality Models August 17, 1979 April 16, 1982, 47 FR 16326 Submitted on October 9, 1979.

Post-1993 Rule Codification

Pima County Code

Title 17. Air Quality Control
Chapter 12. Permits and Permit Revisions
Article V. Open Burning Permits
County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
17.12.480 Open burning permits October 19, 2004 May 16, 2006, 71 FR 28270 Submitted on December 30, 2004.
Chapter 17.16. Emission Limiting Standards
Article III. Emissions from Existing and New Nonpoint Sources
County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
17.16.125 Inactive Mineral Tailings Impoundment and Slag Storage Area within the Ajo PM10 Planning Area February 21, 2019 7/15/2020, 85 FR 42726 Submitted on May 10, 2019.

† Vacated by the U.S. Court of Appeals for the Ninth Circuit in Delaney v. EPA, 898 F.2d 687 (9th Cir. 1990). Restored on January 29, 1991, 56 FR 3219.

EPA-Approved Ordinances Adopted by Pima County and Other Local Jurisdictions Within Pima County

County Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Pima County Ordinance No. 1988-72 (PDF) (17 pp, 3 MB, April 12, 1988) Travel Reduction Ordinance April 18, 1988 January 29, 1991, 56 FR 3219 Submitted on May 26, 1988.
City of Tucson Ordinance No. 6914 (PDF) (14 pp, 6 MB, March 28, 1988) Travel Reduction Ordinance April 18, 1988 January 29, 1991, 56 FR 3219 Submitted on May 26, 1988.
City of South Tucson Ordinance 88-01 (PDF) (16 pp, 2 MB, March 28, 1988) Travel Reduction Code April 18, 1988 January 29, 1991, 56 FR 3219 Adopted through Resolutions No. 88-01 and 88-05.
Town of Marana Ordinance No. 88-06 (PDF) (18 pp, 2 MB, March 15, 1988) Travel Reduction Code April 18, 1988 January 29, 1991, 56 FR 3219 Adopted through Resolutions No. 88-06 and 88-07. Submitted on May 26, 1988.
Town of Oro Valley Ordinance No. 162 (PDF) (18 pp, 3 MB, March 23, 1988) Travel Reduction Code April 18, 1988 January 29, 1991, 56 FR 3219 Adopted through Resolutions No. 162, 326 and 327.

Air Quality Implementation Plans

Contact Us about Air Quality Implementation Plans
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on October 21, 2024