Search Results - Washington State Department of Ecology

Washington Climate Commitment Act: Summary of economic and market modeling and analysis of the proposed cap and invest program

This is the foreword to the draft report of the summary of market modeling and analysis of the proposed cap and invest program of the Climate Commitment Act.

https://ecology.wa.gov/202207ccaeconforewd

Washington Climate Commitment Act: Summary of market modeling and analysis of the proposed Cap and Invest Program, June 2022

This is the draft report of the summary of market modeling and analysis of the proposed cap and invest program of the Climate Commitment Act.

https://ecology.wa.gov/202206ccaeconmodel

State Implementation Plan Revision: Updates to Spokane Regional Clean Air Agency Regulations

State Implementation Plan Revision Updates to Spokane Regional Clean Air Agency Solid Fuel Burning Devices Rule (Regulation I - Article VIII)

https://ecology.wa.gov/finalsipspokane2015

TMDL Surrogates White Paper

This is a white paper that discusses the use of surrogates in Total Maximum Daily Load (TMDL) water cleanup plans.

https://ecology.wa.gov/tmdl-surrogates-white-paper

The Kent, Seattle, and Tacoma Second 10‐Year Limited Maintenance Plan for Particulate Matter (PM10)

State Implementation Plan Revision for a Second 10-Year Particulate Matter (PM10) Maintenance Plan for three Puget Sound areas

https://ecology.wa.gov/seattlekenttacomalimitedmaintenanceplanpm10

Washington Department of Information Services Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Second Tier Review) for Washington Department of Information Services Data Center, 9/16/10

https://ecology.wa.gov/finaldistier2-09-16-2010

Blackrock-Sabey Data Centers - Technical Support Document for Health Impact Assessment

Technical Support Document for Health Impact Assessment (Second Tier Review) for Blackrock and Sabey Data Centers, 10/5/10

https://ecology.wa.gov/tier2-tsd-blackrock-sabey-cl100510

Centroid calculator

An Excel/VBA program to calculate the centroid of a time-concentration series or any x-y series of data.

https://ecology.wa.gov/xlsm-centroid-calculator

2019 Draft Acceptable Source Impact Levels (ASIL) Options (WAC 173-460) 02/14/19

This is a 2/14/19 spreadsheet of options to update the list of acceptable source impact levels (ASIL) in Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/2019-draft-asil-options-wac-173-460-02-05-19

Continued Response Actions to Partial Collapse of PUREX Tunnel 1

Due to the continued immediate threat to human health and the environment posed by the instability of PUREX Tunnel 1, Ecology approves grouting of PUREX Tunnel 1 as an interim stabilization measure.

https://ecology.wa.gov/20170608purexgroutresponse

Microsoft Columbia Data Center - Technical Support Document for Health Impact Assessment

Technical Support Document for the Health Impact Assessment (Third Tier Review) for Microsoft Columbia Data Center, 8/20/10

https://ecology.wa.gov/ms-tier3-doc

Stormwater Manual Handout

Redevelopment handout for the manual improvement meeting.

https://ecology.wa.gov/swm-handout-1

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

Stormwater Manual power point

This presentation shows intended improvements for the manual.

https://ecology.wa.gov/swm-powerpoint

Rulemaking proposed language (WAC 173-415) 11/07/18

This is the proposed rule language for WAC 173-415, Primary Aluminum Plants.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-415-11-07-1

Rulemaking Proposal (WAC 173-446) 5-16-22

This is a rulemaking proposal (CR-102) for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/rulemaking-proposal-wac-173-446-5-16-22

Rulemaking proposed language (WAC 173-446) 5-16-22

This is the proposed rule language for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-446-5-16-22

Table of Contents (WAC 173-446) 5-16-22

This is the table of contents for proposed rule language for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/table-of-contents-wac-173-446-5-16-22

Rulemaking Adoption Notice (WAC 173-219) 01/23/18

This is a rulemaking adoption (CR-103) for WAC 173-219 Reclaimed Water

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-219-01-23-18

Rulemaking Announcement (WAC 173-219) June 4, 2014

This is a rulemaking announcement (CR-101) for WAC 173-219 Reclaimed Water

https://ecology.wa.gov/rulemaking-announcement-wac-173-219-06-04-14

Microsoft Oxford Data Center - Health Impact Assessment Recommendation

Health Impact Assessment (Second Tier Review) Recommendation for Microsoft Oxford Data Center, 5/13/15

https://ecology.wa.gov/20150513oxfordhiarec

Rulemaking proposal (WAC 173-219) Aug. 23, 2017

This is a rulemaking proposal (CR-102) for WAC 173-219 Reclaimed Water

https://ecology.wa.gov/rulemaking-proposal-wac-173-219-08-23-17

Rulemaking proposed language (WAC 173-219) Aug. 23, 2017

This is proposed rule language for WAC 173-219 Reclaimed Water

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-219-08-23-1

Microsoft Oxford Data Center - Health Impact Assessment Recommendation

Health Impact Assessment (Second Tier Review) Recommendation for Microsoft Oxford Data Center, 8/12/14

https://ecology.wa.gov/microsoftoxfordhiarecommendationupdated

Municipal Stormwater Phase II Permit S5.C.1 Education and Outreach permit section preliminary draft

Public Education and Outreach (Phase II) Preliminary draft “fact sheet” and permit language.

https://ecology.wa.gov/10-3-17prelim_phi_ed_o

Rosalia Official Shoreline Map

Maps out streams, Waterbodies, Town Limit, and Shoreline Designations

https://ecology.wa.gov/rosalia-official-shoreline-map

Whatcom County SMP Checklist

This is a checklist that Whatcom County used for the limited amendment submittal

https://ecology.wa.gov/whacosmpchklst

Municipal Stormwater Phase I Permit S5.C.10 Education and Outreach permit section preliminary draft

Public Education and Outreach (Phase I) Preliminary draft “fact sheet” and permit language.

https://ecology.wa.gov/10-3-17prelim_phi_ed_o-1

Whatcom County SMP Limited Amendment Cover Letter

Letter from Whatcom County to Ecology regarding the amendment submittal

https://ecology.wa.gov/whacosmplimamendcvrltr

Preliminary draft language for S5.C.2/S5.C.3 Mapping for MS4 permits

2019 Western Washington Municipal Stormwater Permit preliminary draft language for S5.C.2/S5.C.3 Mapping.

https://ecology.wa.gov/10-3-17prelimdraftmappingfinal

WGHOGA letter on NPDES permit application

Burrowing shrimp document: WGHOGA letter on NPDES permit application

https://ecology.wa.gov/wghoga-letter-on-npdes-permit-application

Sequim Approved SMP December 2013

Shoreline Master Program that has been adopted by the local jurisdiction and Approved by Ecology

https://ecology.wa.gov/sequim-approved-smp-december-2013

San Juan County Inventory and Characterization Appendix A: Map Folio

Map 20: Impervious Surfaces

https://ecology.wa.gov/san-juan-county-inventory-and-characterizatio-19

Sand & Gravel General Permit Summary of Changes

Summary of Changes in the Preliminary Draft Sand & Gravel General Permit

https://ecology.wa.gov/summarypreliminarydraftpermitchanges

Wahkiakum County SMP August 5 1992

Wahkiakum County SMP including limited amendment of August 1992

https://ecology.wa.gov/wahkiakumcountysmp

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

Yakima Approved SMP October 2014

Shoreline Master Program that has been adopted by the local jurisdiction and Approved by Ecology

https://ecology.wa.gov/yakima-approved-smp-october-2014

Rulemaking Proposal (WAC 173-446) 9-7-23

This is a rulemaking proposal (CR-102) for Chapter 173-446 WAC, Climate Commitment Act Program Rule.

https://ecology.wa.gov/rulemaking-proposal-wac-173-446-9-7-23