Please note that although this list provides good examples, regulations and nomenclature varies state-to-state.

Alabama

• Compliance assistance

Alaska

• Pre-Approved Emission Limit Fuel Worksheet

Arizona

Arkansas

California

Colorado

• Business-specific guidance
  • Boilers
  • Diesel Engines
  • Natural Gas Fired Engines
  • Gas Stations
  • Crushing and Screening
• Resources for craft breweries
  • Brewery Emissions Calculator
  • Best Practices for Reducing Air Emissions at Breweries
  • Sustainable Breweries: Strategies that Pay
• Guidance documents on calculations

Connecticut

• Tools Page
• CTDEEP Engine Emissions Calculator
• CTDEEP Boiler Emissions Calculator
• CO2 Equivalents Calculator
• CTMASC
  • CTDEEP calculator for determining HAP MASC compliance based on the calculation procedures in RCSA Section 22a-174-29.  A User Guide is included in the Excel file.
• TANKS v4.09 (EPA)
  • Frequent Questions
• LandGEM v3.02
  • User Guide

Delaware

Florida

Georgia

• Fact sheets and other resources

Hawaii

Idaho

Illinois

• Emissions calculators
  • Asphalt Plant
  • Boiler - Butane Fired
  • Boiler - Natural Gas Fired
  • Boiler - Oil Fired
  • Boiler - Propane Fired
  • Chrome Plating
  • Concrete Batch Plant
  • Dry Cleaners​
  • Grain Elevators
  • Incinerator
  • Quarry /Rock Crushing
  • Storage Tanks

Indiana

• Fact sheets

Iowa

• Emissions Inventory Resources and Examples
• Emissions Inventory Calculators
  • Abrasive Blasting
  • Combustion Calculator
  • Concrete Batch Plant - Stationary
  • Crushing Plant - Stationary
  • Dual Fuel Combustion
  • Group 2 Grain Elevator Calculator
  • Haul Roads
  • Hot Mix Asphalt Plant - Stationary
  • Painting
  • Plasma/Laser Cutting Calculator
  • Portable Concrete Batch Calculator
  • Portable Hot Mix Asphalt Calculator
  • Portable Limestone Crushing Calculator
  • Welding
• Greenhouse Gas Estimation- Stationary Fossil Fuel Combustion Calculation Tool
• Emission Factors
  • PM2.5 Emission Factors
  • Ammonia Emission Factors
  • Concrete Batching
  • Batch Hot Mix Asphalt
  • Drum Hot Mix Asphalt
  • Limestone Crushing

Kansas

• PTE calculators
  • Painting and coating
  • Welding
  • Abrasive blasting
  • Plasma/laser cutting
  • Boilers and furnaces
  • Engines
  • Air curtain incinerators
  • Grain elevators
  • Hemp processing
• Rolling 12-month Calculator for General Sources

Kentucky

Louisiana

• Fact Sheets

Maine

Maryland

Massachusetts

• Calculating Reportable Water Dissociable Nitrates
• Chemical Use Record Keeping
• Tools and Guidance

Michigan

• Guidance Documents
  • Air
  • Stormwater
  • Recycling

Minnesota

• Air Emissions Calculators
  • Abrasive Blasting (PTE)
  • Aggregate: Sand and Gravel (PTE and Actual)
  • Asphalt (Actual)
  • Boiler (PTE and Actual)
    • Instructions
  • Coating Operations (Actual)
  • Commercial Lawn Mower (Estimate)
  • Electroplating (PTE)
    • Instructions
    • Example
  • Internal Combustion Engines (PTE and Actual)
  • Fiberglass (PTE and Actual)
    • Instructions
  • Foundry (Actual)
    • Instructions for using Calculator to Track Registration Permit Option D Compliance
  • Gasoline Storage: Stage 1 Vapor Recovery (Emission Reduction)
  • Grain Elevators (PTE and Actual)
  • Insignificant Facility (PTE)
  • Particulate Matter
  • Passenger Car to Electric Vehicle
  • Printing (Actual)
    • Instructions
  • Handheld 2-cycle Engine
  • VOC and HAP (Conditionally Exempt Coating and Auto Body Facilities)
  • Registration Option C

Mississippi

Missouri

Montana

• Fact Sheets

Nebraska

• Potential Emission Calculation Spreadsheets
  • Asphalt
  • Boilers
  • Cooling Towers
  • Dryers
  • Ethanol Plants
  • Generator
  • Haul Roads
  • Internal Combustion Engine
  • Liquid Loadout
  • Municipal Power Plant
  • Storage Pile
  • Tanks

Nevada

• Additional websites
  • Business Environmental Program
  • Division of Environmental Protection

New Hampshire

New Jersey

• Guidance documents

New Mexico

New York

North Carolina

• Emission Estimation Spreadsheets
  • Asphalt Plants
  • Coal Combustion
  • Concrete Batching
  • Cotton Gins
  • Feedmills
  • Fuel Oil Combustion
  • Human Crematory
  • Internal Combustion
    • Large Gasoline and Diesel Engines
    • Small Gasoline and Diesel Engines
  • LPG Combustion
  • Natural Gas Combustion
  • Stone Quarries and Stone Crushing
  • Wood Waste Combustion
  • Woodwork
  • Woodwork (Lumber Kilns)
    • Documentation
  • Cyclone Analysis
  • Bagfilter Analysis
    • Evaluation Primer
• Fact Sheets and Guidance Documents
• Compliance Calendars and Inspection Checklists

North Dakota

Ohio

• Ohio EPA Permit Wizard

Oklahoma

• Storage Tank Emissions Calculation Tool

Oregon

Pennsylvania

Puerto Rico

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

• Wastewater Compliance Tools
• Oil and Gas Facilities: Air Compliance Information
  • Emission Calculation Spreadsheet
• Petroleum Storage Tank 30 Day Inventory Control Worksheets
  • Non-Blended
  • Blended
• Surface Coating Facilities: Emissions Calculations Spreadsheet

Utah

Vermont

Virginia

Virgin Islands

Washington

West Virginia

• Emission Calculation Tools
  • Weekly Record for Paint Facilities
  • Total Daily Weighted Average for Paint Facilities

Wisconsin

• Resources by Industry
• Emissions Calculators
  • VOC, PM, HAP, and Fuel (Boiler/Engine)
• Printers
  • Heatset PM emissions calculations worksheet
  • Printer emissions

Wyoming