Regulations & Permits

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We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Attachment 1: Ecology permitting conditions

HANFORD AIR OPERATING PERMIT, PERMIT NO. 00-05-006 RENEWAL 3 ATTACHMENT 1

https://ecology.wa.gov/attachment-1-ecology-permitting-conditions

Proposed Rule Text without Tracked Changes (WAC 173-340) 02/15/23

This document displays WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations, as if the proposed rule changes were adopted. This document does not track or footnote the changes.

https://ecology.wa.gov/proposed-rule-text-with-no-tracked-changes-to-curr

Rulemaking Announcement (WAC 173-50) 10/10/22

This is a rulemaking announcement (CR-101) for WAC 173-50 Accreditation of Environmental Laboratories.

https://ecology.wa.gov/rulemaking-announcement-wac-173-50-10-10-22

Proposed Rule Text with Tracked and Footnoted Changes (WAC 173-340) 02/15/23

This document tracks and footnotes proposed changes to WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/proposed-rule-text-with-tracked-and-footnoted-chan

Rulemaking Announcement (WAC 173-337) 11/17/21

This is a rulemaking announcement (CR-101) for WAC 173-337 Safer Products Restrictions and Reporting

https://ecology.wa.gov/rulemaking-announcement-wac-173-337-11-17-21

Attachment 2: Health permitting conditions

RADIOACTIVE AIR EMISSIONS LICENSE

https://ecology.wa.gov/attachment-2-health-permitting-conditions

Attachment 3: BCAA permitting conditions

HANFORD SITE AIR OPERATING PERMIT NO. 00-05-006 RENEWAL 3 ATTACHMENT 3

https://ecology.wa.gov/attachment-3-bcaa-permitting-conditions

Focus Sheet

HANFORD SITE AIR OPERATING PERMIT RENEWAL 3 PUBLIC COMMENT PERIOD

https://ecology.wa.gov/focus-sheet

Rulemaking Announcement (WAC 173-340) 12/20/18

This is a rulemaking announcement (CR-101) for WAC 173-340, Model Toxics Control Act - Cleanup

https://ecology.wa.gov/rulemaking-announcement-wac-173-340-12-20-18

Adopted rule language (WAC 173-360; WAC 173-360A) 07/17/18

This is the adopted rule language for WAC 173-360; WAC 173-360A, Underground Storage Tank (UST) Regulations.

https://ecology.wa.gov/adopted-rule-language-wac-173-360;-wac-173-360a

Public hearing presentation (WAC 173-360; 173-360A) 02/28/18

This is the presentation provided at the public hearings on the rulemaking proposal for the underground storage tank regulations (WAC 173-360; 173-360A). The hearings occurred on February 28, 2018 and March 2, 2018.

https://ecology.wa.gov/public-hearing-presentation-wac-173-360;-173-360a

Repealed rule language (WAC 173-360; WAC 173-360A) 07/17/18

This is the repealed rule language for WAC 173-360; WAC 173-360A, Underground Storage Tank (UST) Regulations.

https://ecology.wa.gov/repealed-rule-language-wac-173-360;-wac-173-360a

Rulemaking Adoption Notice (WAC 173-360; WAC 173-360A) 07/17/18

This is the rulemaking adoption (CR-103) WAC 173-360; WAC 173-360A, Underground Storage Tank (UST) Regulations.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-360;-wac-173-3

Rulemaking Adoption Notice (WAC 173-360; WAC 173-360A) 07/18/2018

This is a rulemaking adoption (CR-103) for WAC 173-360A, Underground Storage Tank Regulations.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-360;-wac-1-1

Rulemaking Adoption Notice (WAC 173-340) 08/23/23

This is a rulemaking adoption (CR-103) for WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-340-08-23-23

Adopted rule language (WAC 173-340) 08/23/23

This is adopted rule language for WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/adopted-rule-language-wac-173-340-08-23-23

Adopted Rule Text with Tracked and Footnoted Changes to Current Rule (WAC 173-340) 08/23/23

This document tracks and footnotes adopted changes to current WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/adopted-rule-text-with-tracked-and-footnoted-changes-to-current-rule-wac-173-340-08-23-23

Adopted Rule Text with Tracked Changes to Proposed Rule (WAC 173-340) 08/23/23

This document tracks adopted changes to proposed WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/adopted-rule-text-with-tracked-changes-to-proposed-rule-wac-173-340-08-23-23

Adopted Rule Text without Tracked Changes (WAC 173-340) 08/23/23

This document displays WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations, with the adopted rule changes. This document does not track or footnote the changes.

https://ecology.wa.gov/adopted-rule-text-with-no-tracked-changes-wac-173-340-08-23-23

Lithium-ion battery management under Chapter 173-303 WAC, Dangerous Waste Regulations

This memo clarifies how businesses can safely manage lithium-ion batteries as universal waste under the Dangerous Waste Regulations.

https://ecology.wa.gov/memo-lithium-ion-batteries