Business-specific guidance
Listed by type of business. Includes compliance assistance, Maximum Achievable Control Technology standards, New Source Performance Standards, and pollution prevention guidance and tools.
Abrasive blast cleaning
Agricultural operations
Air Curtain Destructors
Asphalt plant production
- Hot Mix Asphalt.
- Overview of Air Regulations: Surface Mining, Concrete Batch Plants and Hot Mix Asphalt.
- Decision Support System for New Source Performance Standard (NSPS) Subpart I.
Auto repair and body shops
- Surface Coating Standards.
- Paint Stripping Standards.
- A Guide to Environmental Regulations for Automotive Repair Facilities.
- EPA guidance to surface coating standards (NESHAP 6H) in Spanish.
- EPA 6H Exemption Navigation Tool.
- EPA 6H Initial Notification Example.
Boilers
- 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.
Chromium electroplating
- Chromium Electroplating and Chromium Anodizing Guidance
- Chromium Electroplating and Anodizing Inspector Guidance Manual.
- Chromium Electroplating Inspector Checklist.
Coffee roasting
- Coffee Roasting.
- An Overview of Air Quality Regulations.
Concrete plants
Construction
Crematories
Dry cleaning
- 2025 Perc Dry Cleaner Environmental Compliance Calendar.
- 2024 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.
Engines and generators
- APEN and Permitting Requirements for Engines.
- New Source Performance Standards (NSPS) IIII: Stationary Compression Ignition Internal Combustion Engines.
Calculate your emissions
- Diesel engines less than 600 HP.
- Diesel engines greater than 600 HP.
- Diesel engines with manufacturer emission factors.
- Natural gas fired engines.
Environmental Standards for Appliances
Gasoline and diesel fuel dispensing industry
- 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.
Incinerators
- A Guide to Air Permitting Requirements for Incinerators.
- A Guide to Air Permitting Requirements for Crematories.
Land development
Lawn and Garden
Lithium Batteries
Mining and mineral processing
- 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.