Regulations & Permits - Washington State Department of Ecology

Preliminary Draft EIS (WAC 173-201A) 06/10/20

Preliminary Draft EIS for PCB Variances on the Spokane River. Chapter 173-201A WAC.

https://ecology.wa.gov/preliminary-draft-eis-wac-173-201a-06-10-20

Preliminary Draft Implementation Plan (WAC 173-201A) 06/10/20

Preliminary Draft Implementation Plan for PCB Variances on the Spokane River. Chapter 173-201A WAC.

https://ecology.wa.gov/preliminary-draft-implementation-plan-wac-173-201

Preliminary draft language (WAC 173-166) 09/01/17

This is Preliminary draft language for WAC 173-166 Emergency Drought Relief

https://ecology.wa.gov/preliminary-draft-language-173-166-wac-09-01-17

Preliminary rule language (WAC 173-323) 7/25/17

Preliminary rule language for WAC 173-323

https://ecology.wa.gov/preliminary-rule-language

Preliminary Draft Rule Language (WAC 173-201A) 06/10/20

Preliminary draft rule language for amendments to chapter 173-201A WAC, for PCB Variances on the Spokane River.

https://ecology.wa.gov/preliminary-draft-rule-language-wac-173-201a-06

Preliminary Draft Rulemaking Language for WAC 173-50, Accreditation of Environmental Laboratories

Preliminary Draft Rulemaking Language for WAC 173.50, Accreditation of Environmental Laboratories

https://ecology.wa.gov/preliminary-draft-rulemaking-language-wac-173-50-1

Preliminary Draft State Technical Support Document (WAC 173-201A) 06/10/20

This preliminary draft document provides background and technical information for PCB Variances on the Spokane River. Chapter 173-201A WAC.

https://ecology.wa.gov/preliminary-draft-state-technical-support-document

Part Three

Solid waste handling standards part three

https://ecology.wa.gov/part-three

Part Two

Solid waste handling standards part two

https://ecology.wa.gov/part-two

Updated Preliminary Draft Rule Language for Chapter 173-50 WAC

Preliminary Draft Rulemaking Language for WAC 173.50, Accreditation of Environmental Laboratories as of Dec. 20, 2022.

https://ecology.wa.gov/preliminary-draft-rule-language-wac-173-50-12-20-2

Pre-proposal statement of inquiry (CR-101)

https://ecology.wa.gov/pre-proposal-statement-of-inquiry-cr-101-e7e3da1ef02576fe3379034dfa1d6a66

Presentation (WAC 173-408) 5-4-23

This is a presentation for the May 4, 2023 stakeholder meeting for Chapter 173-408 WAC, Landfill Methane Emissions.

https://ecology.wa.gov/presentation-wac-173-408-5-4-23

Presentation (WAC 173-408) 3-30-23

This is a presentation for the March 30, 2023 stakeholder meeting for Chapter 173-408 WAC, Landfill Methane Emissions.

https://ecology.wa.gov/presentation-wac-173-408-3-30-23

Preliminary Decisions Presentation (WAC 173-201A)

This is a public webinar presentation about the preliminary decisions to revise water contact recreational use criteria in the surface water quality standards (WAC 173-201A).

https://ecology.wa.gov/preliminary-decisions-presentation-wac-173-201a

PCR Rulemaking Example Workload Analysis

An set of tables showing an example workload analysis, for Ecology's Rulemaking on Post Consumer Resin regulations.

https://ecology.wa.gov/pcr-rulemaking-example-workload-analysis

Poster about dimethyl mercury inhalation risk screening concentration (WAC 173-460) 10/10/18

This is a poster for the 10/10/18 stakeholder meeting about dimethyl mercury inhalation risk screening concentration. It is related to rulemaking for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/poster-about-dimethyl-mercury-inhalation-risk-scre

Piles Work Group Meeting Agenda and Notes - March 3, 2015

https://ecology.wa.gov/piles-work-group-meeting-agenda-and-notes-march

Piles Work Group Meeting Agenda and Notes - October 21, 2014

https://ecology.wa.gov/piles-work-group-meeting-agenda-and-notes-octobe

PCB petition to EPA

Letter from Ecology to the EPA petitioning to reduce allowable PCBs in consumer products.

https://ecology.wa.gov/pcb-petition-to-epa

Presentation (WAC 173-400; WAC 173-401) 5-15-24

This is a presentation for the May 15, 2024 stakeholder meeting for Chapter 173-400 WAC, General Regulations for Air Pollution Sources and Chapter 173-401 WAC, Operating Permit Regulation.

https://ecology.wa.gov/presentation-wac-173-400;-wac-173-401-5-15-24