Research & Data

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

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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Vantage Data Center, Quincy Agreed Order with TSD & R2C

This is the Agreed Order 16AQ-E026 for Vantage Data Center with the Technical Support Doc and the Response to Comments attached.

https://ecology.wa.gov/201712vantagequincyao16aq-e026-tsd-r2c

Vantage Data Center - Health Impact Assessment Recommendation

Health Impact Assessment (Second Tier Review) Recommendation for Vantage Data Center, 5/11/17

https://ecology.wa.gov/vantage-hiarec-051117ada

Vantage Data Center - Health Impact Assessment letter

Health Impact Assessment (Second Tier Review) Letter for Vantage Data Center, 5/11/17

https://ecology.wa.gov/vantage-tier2ltr-final-051117ada

Vantage Data Center - Revised Health Impact Assessment response

Revised Health Impact Assessment (Second Tier Review) response for Vantage Data Center, 11/16/16

https://ecology.wa.gov/vantage-revfinal-2ndtier-ra-111616ada

Vantage Data Center - Notice of Construction application

Notice of Construction application for Vantage Data Center, 8/10/16

https://ecology.wa.gov/vantage-noc-app-supprpt-081016ada

Vantage Data Center - Health Impact Assessment Protocol

Methods and procedures to follow for a Health Impact Assessment (Second Tier Review) for Vantage Data Center, 3/7/16

https://ecology.wa.gov/vantage-hia-protocol-030716ada

Vantage Data Center - Air Dispersion Modeling Protocol

Protocol and methods for air dispersion modeling for a Notice of Construction application for Vantage Data Center, 2/25/16

https://ecology.wa.gov/vantage-modeling-protocol-022516ada

Vantage Data Center - Notice of Construction permit and technical support document

Notice of Construction permit and Technical Support Document for Vantage Data Center, 3/18/13

https://ecology.wa.gov/vantagefinalpermit

Vantage Data Center - Health Impact Assessment Recommendation

Health Impact Assessment (Second Tier Review) Recommendation, 11/30/12

https://ecology.wa.gov/b-updated-vantage-tier2-recommendation-11302012

Vantage Notice of Construction Revised Tier 2

This is the Vantage Data Center's revised final 2012 Notice of Construction support document for Tier 2 review.

https://ecology.wa.gov/20121128nocrevtier2

Vantage Data Center - Technical Support Document for Health Impact Assessment

Risk Analysis Technical Support Document for Health Impact Assessment (Second Tier Review) for Vantage Data Center, 11/28/12

https://ecology.wa.gov/a-revised-final-tier2-risk-analysis-vantage-112820

Vantage Data Center Health Impact Assessment (Tier 2 review) letter, April 27, 2022

This is the April 27, 2022 health impact assessment (Tier 2 review) letter for Vantage Data Center.

https://ecology.wa.gov/20220427vantagetier2ltr

Vantage Data Center Health Impact Assessment (Second Tier Review) Recommendation, April 2022

This is the April 2022 Health Impact Assessment (Second Tier Review) Recommendation for Vantage Data Center.

https://ecology.wa.gov/202204vantagetier2rec

Vantage Data Center Notice of Construction (NOC) application, March 24, 2022

This is the March 24, 2022 notice of construction application for Vantage Data Center.

https://ecology.wa.gov/20220324vantagenocapp

Fireplaces Certified in Washington

List of fireplaces that meet Washington standards

https://ecology.wa.gov/wood-fireplaces

Vantage Data Center notice of construction (NOC) permit and technical support document

This is the August 2023 air quality notice of construction permit (approval order) and technical support document for Vantage Data Center.

https://ecology.wa.gov/20230829vantagenocpermit

Rulemaking Proposal (WAC 173-400; WAC 173-401) 9-18-24

This is a rulemaking proposal (CR-102) for Chapter 173-400 WAC, General Regulations for Air Pollution Sources and Chapter 173-401 WAC, Operating Permit Regulation.

https://ecology.wa.gov/rulemaking-proposal-wac-173-400;-wac-173-401-9-18-24

Proposed Source Test Manual (WAC 173-400; WAC 173-401) 9-18-24

This is the proposed Source Test Manual, September 18, 2024.

https://ecology.wa.gov/proposed-source-test-manual-wac-173-400;-wac-173-401-9-18-24

Masonry heaters that meet Washington standards, October 10, 2016

This is the October 10, 2016 list of masonry heaters that meet Washington standards.

https://ecology.wa.gov/20161010masonryheaters

Exceptional Event Demonstration for the August 14, 2015 PM10 Exceedence in Kennewick

report demonstrating that high winds on August 14, 2015 overwhelmed agriculture erosion controls and contributed to elevated levels of particle pollution in Kennewick.

https://ecology.wa.gov/20150814-exceptional-event-demonstration