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Methods Assessment (26 publications 1992-2024)


Title (link to summary)NumberDate (released or updated)
Guidance for the WDOE NWTPH-Dx Method for Testing Groundwater: Silica Gel Cleanup Protocol Revision 24-03-001February 2024
Quality Assurance Project Plan: Monitoring of Tire Contaminants in Coho Salmon Watersheds 23-03-113November 2023
Guidance for Silica Gel Cleanup in Washington State 22-09-059November 2023
Quality Assurance Project Plan: Guidance for the WDOE NWTPH-Dx Method for Testing Groundwater 22-03-101January 2022
Cannabis Science Task Force Recommendations: Cannabis Laboratory Quality Standards and Proficiency Testing 21-03-003December 2021
Quality Assurance Project Plan: Testing the Use of Biofilms to Measure PFAS in the South Fork Palouse River 21-03-116September 2021
Quality Assurance Project Plan Addendum: Prevalence and Persistence of Cyanotoxins in Lakes of the Puget Sound Basin 20-03-102January 2020
Quality Assurance Project Plan: Non-Targeted Screening of Toxic Organics in Fish Tissue 19-03-111September 2019
Quality Assurance Project Plan: Assessing Sources of Toxic Chemicals Impacting Juvenile Chinook Salmon 19-03-110August 2019
Quality Assurance Project Plan: Measuring PCBs in Biofilm, Sediment, and Invertebrates in the Spokane River: Screening Study 19-03-103March 2019
Evaluation of Low-Level Field Sampling Methods for PCBs and PBDEs in Surface Waters 19-03-002January 2019
Technical Guidance Manual for Evaluating Emerging Stormwater Treatment Technologies: Technology Assessment Protocol - Ecology (TAPE) 18-10-038September 2018
POSTER: Identifying sources of toxics using biofilms 17-03-029December 2017
PCB Method Comparison of High and Low Resolution Sediment Analysis 14-03-009March 2014
Evaluation of XRF as a Screening Tool for Metals and PBDEs in Children’s Products and Consumer Goods 12-03-009January 2012
Lower Duwamish Waterway: Tracing Short-Term Movements of Suspended Sediment, Summary Report 09-03-048September 2009
POSTER: Use of Fluorescent Tracer Particles in the Lower Duwamish Waterway 09-03-029June 2009
A Comparison of Two Analytical Methods for Measuring Mercury in Fish Tissue 07-03-041September 2007
Lower Duwamish Waterway Source Control Action Plan for Early Action Area 2 07-09-002July 2007
Using Sediment Profile Imaging (SPI) to Evaluate Sediment Quality at Two Cleanup Sites in Puget Sound: Part II - Port Gamble Bay 07-03-026July 2007
Using Sediment Profile Imaging (SPI) to Evaluate Sediment Quality at Two Cleanup Sites in Puget Sound: Part I - Lower Duwamish Waterway 07-03-025July 2007
Quality Assurance Project Plan: Feasibility of using Sediment Profile Imaging Technology to Evaluate Sediment Quality and Impacts to Benthic Communities found at two Contaminated Sediment Cleanup Sites in the Puget Sound. 06-03-119December 2006
Dissolved Oxygen Measurements in Oakland Bay (Mason County) 04-03-039September 2004
Fecal Contamination Source Identification Methods in Surface Water 99-345October 1999
Atomic Fluorescence Determination of Mercury in Fresh Water Ecosystems. Article in Journal of Automatic Chemistry, Volume 17, Number 2 (March-April 1995). 95-e09January 1995
Innovations in Mercury Analysis. Article in the journal, Environmental Lab, August/September 1992. 92-e41January 1992