Washington State Department of Ecology


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Manual (25 publications 1992-2023)


Title (link to summary)NumberDate (released or updated)
User’s Guide for MTCATPH 12.0 & MTCASGL 12.0: Workbook tools for calculating soil and groundwater cleanup levels under the Model Toxics Control Act Cleanup Regulation 01-09-073November 2023
Reservoir Staff Gauge Guidance 22-11-019April 2023
Compliance Assurance Manual 21-01-001July 2021
Dam Safety Guidelines Part 1 - General Information and Owner Responsibilities 92-55aApril 2021
EAGL External Users' Manual 17-01-015March 2021
Dam Safety Guidelines Part 3 - An Owner's Guidance Manual 92-55cApril 2020
Funding Guidelines State Fiscal Year 2021 Water Quality Financial Assistance 19-10-032August 2019
2019 Stormwater Management Manual for Eastern Washington (SWMMEW) 18-10-044August 2019
Program Guidelines Waste Reduction & Recycling Education 19-07-015July 2019
Reclaimed Water Facilities Manual: The Purple Book 15-10-024February 2019
Bunkering Best Practices Manual 14-08-007December 2018
Technical Guidance Manual for Evaluating Emerging Stormwater Treatment Technologies: Technology Assessment Protocol - Ecology (TAPE) 18-10-038September 2018
Clean Air Rule: Greenhouse Gas Emissions Reporting Verification Program Manual 17-02-011October 2017
Stormwater Sampling Manual: A guide for the Industrial Stormwater General Permit 15-03-044December 2015
Guidelines for Property Cleanups under the Voluntary Cleanup Program 08-09-044July 2015
2012 Stormwater Management Manual for Western Washington, as Amended in December 2014 (The 2014 SWMMWW) 14-10-055December 2014
Eastern Washington Low Impact Development Guidance Manual 13-10-036June 2013
2012 Stormwater Management Manual for Western Washington 12-10-030August 2012
Procedure Manual for the Environmental Laboratory Accreditation Program 10-03-048September 2010
Dam Safety Guidelines Technical Note 3: Design Storm Construction 92-55gOctober 2009
Dam Safety Guidelines Part 2 - Project Planning and Approval of Dam Construction and Modification 92-55bFebruary 2008
Dam Safety Guidelines--Technical Note 1: Dam Break Inundation Analysis and Downstream Hazard Classification 92-55eDecember 2007
2001 Stormwater Management Manual for Western Washington: Volume I -- Minimum Technical Requirements and Site Planning 99-11September 2001
Dam Safety Guidelines Part 4 - Dam Design and Construction 92-55dJuly 1993
Dam Safety Guidelines--Technical Note 2: Selection of Design/Performance Goals for Critical Project Elements 92-55fJuly 1992

 

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