Research & Data - Washington State Department of Ecology

Swift Creek landslide components

Figure describing the components of the Sumas Mountain landslide.

https://ecology.wa.gov/text-description-of-swift-creek-landslide-componen

Swift Creek watershed map

Map showing location of Swift Creek east of Everson, WA.

https://ecology.wa.gov/text-description-of-swift-creek-location-and-water

Text with Identified Changes to Current Rule (WAC 173-360; WAC 173-360A) 01/24/18

This document identifies changes to the current rule, WAC 173-360, Underground Storage Tank (UST) Regulations, that are included in WAC 173-360A.

https://ecology.wa.gov/text-with-identified-tracked-changes-to-prelimin

Text with Tracked Changes to Preliminary Draft (WAC 173-360; WAC 173-360A) 01/24/18

This document tracks changes between the preliminary draft of WAC 173-360A and the proposed rule of WAC 173-360A, Underground Storage Tank (UST) Regulations.

https://ecology.wa.gov/text-with-tracked-changes-to-preliminary-draft-wa

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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) 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