Regulations & Permits - Washington State Department of Ecology

Tier 1 Calculator for Biomethane Organic Waste (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from organic waste. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-organic-waste-2

Tier 1 Calculator for Biomethane Organic Waste (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from organic waste. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-organic-waste-1

Tier 1 Calculator for Biomethane Organic Waste (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from organic waste. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-organic-waste-wac

Tier 1 Calculator for Biomethane Sludge (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-17-2

Tier 1 Calculator for Biomethane Sludge (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-17-1

Tier 1 Calculator for Biomethane Wastewater Sludge (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-173-42

Tier 1 Calculator for LNG (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced liquid natural gas and liquid to compressed natural gas. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-lng-wac-173-424-11-28-22

Tier 1 Calculator for LNG (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced liquid natural gas and liquid to compressed natural gas. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-lng-wac-173-424-07-15-22

Tier 1 Calculator for LNG (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced liquid natural gas and liquid to compressed natural gas. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-lng-wac-173-424-03-15-22

Tier 1 Calculator for Renewable Diesel (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced renewable diesel. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-renewable-diesel-wac-173-2

Tier 1 Calculator for Renewable Diesel (WAC 173-424) 07-18-22

This is the (Tier 1) simplified calculator for conventionally-produced renewable diesel. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-renewable-diesel-wac-173-1

Tier 1 Calculator for Renewable Diesel (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced renewable diesel. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-renewable-diesel-wac-173-424

Tier 1 Calculator for Starch-Fiber Ethanol (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced starch and fiber ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-starch-fiber-ethanol-wac-2

Tier 1 Calculator for Starch-Fiber Ethanol (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced starch and fiber ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-starch-fiber-ethanol-wac-1

Tier 1 Calculator for Starch-Fiber Ethanol (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced starch and fiber ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-starch-fiber-ethanol-wac-173

Tier 1 Calculator for Sugarcane-Derived Ethanol (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced sugarcane-derived ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-sugarcane-derived-ethano-2

Tier 1 Calculator for Sugarcane-Derived Ethanol (WAC 173-424) 07-18-22

This is the (Tier 1) simplified calculator for conventionally-produced sugarcane-derived ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-sugarcane-derived-ethano-1

Tier 1 Calculator for Sugarcane-Derived Ethanol (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced sugarcane-derived ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-sugarcane-derived-ethanol-wa

Tier 1 calculator manual (WAC 173-424) 11-22

This is the November 2022 instruction manual for Tier 1 simplified carbon intensity calculators. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-manual-wac-173-424-11-22

Tier 1 calculator manual (WAC 173-424) 07-20

This is the instruction manual for Tier 1 simplified carbon intensity calculators. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-manual-wac-173-424-07-20