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Research & Data

Use this portal to filter and search for all of our scientific information.

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Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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Research & Data

Use this portal to filter and search for all of our scientific information.

Research & Data icon

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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Regional Haze SIP revision 10-2021
Regional Haze SIP revision October 2021
https://ecology.wa.gov/20211018-regional-haze-sip-revision
DES leased vehicle fuel use by agency
Reporting tool for DES leased vehicle fuel use by agencies
https://ecology.wa.gov/2021-des-leasedvehiclefueluseagency
DES Permanent Assigned Vehicle and Daily Trip Vehicle Fuel Use
DES calculator for reporting permanent vehicle and daily trip fuel use.
https://ecology.wa.gov/2021-despermvehicle-dailyvehiclefueluse
Transcript of the "Helping your community help small businesses" audio blog
The Pollution Prevention Assistance program (PPA) helps businesses and organizations partner with local authorities to ensure they're effectively and efficiently meeting all their obligations.
https://ecology.wa.gov/20210820-ppa-audio-transcript
Air Operating Permit Report for Fiscal Years 2022 and 2023, updated November 2021
This is the workload analysis and budget report for the Air Operating Permit Program for Fiscal Years 2022 and 2023, updated November 2021.
https://ecology.wa.gov/202111aopreportfy22
Transcript of the "Replacing toxic products with safer alternatives" audio blog
The vast majority of chemicals that seep into peoples' bodies and the environment come not from factories or treatment facilities, but from the very products and services people buy and use every day.
https://ecology.wa.gov/20210820-prp-audio-transcript
Sabey Intergate 2022 Notice of Construction Application
This is the 2022 Notice of Construction Application for Sabey Intergate Data Center in Quincy.
https://ecology.wa.gov/20211214sabeyquincybuildingenocapp
H5 Data Center Preliminary Determination
This is the draft preliminary determination for H5 Data Center
https://ecology.wa.gov/20211110h5draftpreldet
H5 Data Center Notice of Construction Application
This is the notice of construction application for H5 Data Center
https://ecology.wa.gov/20211110h5nocapp
H5 Data Center Health Impact Assessment Report
This is the Health Impact Assessment Report for H5 Data Center
https://ecology.wa.gov/20211110h5healthimpactassessment
H5 Data Center Notice of Construction Application DOE
This is the notice of construction application for H5 Data Center from Ecology
https://ecology.wa.gov/20211110h5nocappdoe
H5 Data Center Health Impact Assessment Recommendation
This is the Health Impact Assessment Recommendation for H5 Data Center
https://ecology.wa.gov/20211110h5tier2hiarec
H5 Data Center Tier 2 Letter
This is the Tier 2 letter for H5 Data Center
https://ecology.wa.gov/20211110h5tier2ltr
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