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Dangerous Waste Regulations: Chapter 173-303 WAC (Ecology formatted version) (Obsolete)

Publication number Date Published Date Revised
92-91January 1992December 2014
VIEW NOW: This publication is not available on the Ecology website.
Author(s) Rieck, Rob
Description New Dangerous Waste Regulations came out April 2019. This version is outdated. Click the link below to see the latest set of regulations online.
NOTES: For a printed copy of the Dangerous Waste Regulations, email
REQUEST A COPY The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

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  • The publication Dangerous Waste Regulations: Chapter 173-303 WAC (Ecology formatted version) is obsolete and unavailable.
Contact HWTR Publication Coordinator at 360-407-6700 or
Keywords Chapter 173-303, laws, regulations, waste management, dangerous waste regulations, hazardous waste, Chemicals, toxic chemicals, dangerous waste
WEB PAGE Washington State Dangerous Waste Guidance webpage