Air permitting and reporting guidance for small businesses
Business-specific guidance
The CDPHE Air Pollution Control Division’s Small Business Assistance Program provides guides on meeting the state’s environmental requirements related to air quality. The guides are listed on this web page by the type of small business. The guides cover:
- Air Pollutant Emissions Notice (APEN) requirements for reporting emissions.
- Air permit requirements.
- Compliance assistance.
- Maximum Achievable Control Technology standards.
- New Source Performance Standards.
- Pollution prevention guidance and tools.
- Boiler emissions calculator
- An Overview of Air Regulations for Small Boilers, Including New Source Performance Standard (NSPS) Subpart Dc.
NESHAP JJJJJJ
If you own or operate a boiler, you may be subject to federal environmental regulations. EPA promulgated National Emission Standards for Hazardous Air Pollutants (NESHAP) JJJJJJ for industrial, commercial, and institutional boilers located at facilities that emit less than 10 tons per year of any Hazardous Air Pollutant (HAP) or less than 25 tons per year of combined HAPs. This rule does not apply to electric or gas fired boilers.
- Guidance document.
- An overview of national emission standards for hazardous air pollutants (NESHAP) JJJJJJ, area source boiler rule.
Electronic initial notification- external link.- If you are subject to NESHAP JJJJJJ, an initial notification shall be submitted to both EPA and the Colorado Air Pollution Control Division. Initial notifications shall be submitted electronically to the EPA through the EPA's Compliance and Emissions Data Reporting Interface (CEDRI). Mail a copy of the initial notification to the Colorado Air Pollution Control Division at:
- Colorado Department of Public Health & Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, CO 80246-1530.
- 2025 Perc Dry Cleaner Environmental Compliance Calendar.
- 2025 Perc Dry Cleaner Environmental Compliance Calendar, Korean version.
- Environmental Requirements for Perc Dry Cleaning Alternatives.
- Petroleum Dry Cleaners: A Guide to Environmental Regulations.
- NSPS JJJ- Petroleum Dry Cleaner Performance Testing Procedures.
- A guide to air regulations for gasoline dispensing stations & gasoline transport trucks in Colorado.
- Gasoline station emissions calculator.
- National Emission Standards for Hazardous Air Pollutants (NESHAP) for Gasoline Dispensing Facilities-40 CFR Part 63, Subpart CCCCCC.
- National Emission Standards for Hazardous Air Pollutants (NEHSAP) for Gasoline Distribution Bulk Terminals, Bulk Plants, and Pipeline Facilities -40 CFR Part 63, Subpart BBBBBB.
- Air Quality Requirements for Surface Mining Operations.
- Overview of Air Regulations: Surface Mining, Concrete Batch Plants, and Hot Mix Asphalt.
- Crushing and screening emissions calculator.
- New Source Performance Standard (NSPS) Subpart OOO Guidance Document.
- Decision Support System for New Source Performance Standard (NSPS) Subpart OOO.