- Appendix A - CLASS I COUNTIES, version 2
- Appendix B - SULFUR DIOXIDE PRIORITY CLASSIFICATIONS OF COUNTIES
- Appendix C - EPA Regulations Reference Documents for New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants
- Appendix D - NONATTAINMENT AREAS
- Appendix E - ATTAINMENT AREAS - OZONE
- Appendix F - FORMS
- Appendix G - CLEAN AIR ACT AMENDMENTS OF 1990 LIST OF HAZARDOUS AIR POLLUTANTS
- Appendix H - EXEMPTION CLAIM FORM FOR COFIRED COMBUSTORS
- Appendix I - GREENHOUSE GAS GLOBAL WARMING POTENTIALS
The following state regulations pages link to this page.
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.