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Quality Assurance Project Plans (QAPPs) (579 publications 1994-2024)

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Title (link to summary)NumberDate (released or updated)
QAPP Green/Duwamish River Watershed Pollutant Loading Assessment 20-10-041December 2020
Quality Assurance Project Plan: Sampling of Pretreated Industrial Wastewater in Northwestern Washington State 20-03-119November 2020
Addendum to Quality Assurance Project Plan: May Creek Landfill Groundwater Assessment Monitoring 20-03-116November 2020
Quality Assurance Project Plan: May Creek Landfill Groundwater Assessment Monitoring 20-03-115November 2020
Addendum 2 to Quality Assurance Project Plan: Prevalence and Persistence of Cyanotoxins in Lakes of the Puget Sound Basin 20-03-114November 2020
Addendum 3 to Quality Assurance Project Plan: Long-Term Monitoring of Persistent, Bioaccumulative, and Toxic Chemicals Using Age-Dated Lake Sediment Cores 20-03-113November 2020
Quality Assurance Project Plan: Survey of PFAS in the Greater Lake Washington Watershed 20-03-112November 2020
Addendum 2: Soos Creek Supplemental Monitoring - Addendum to: Modeling Quality Assurance Project Plan for Soos Creek Watershed Temperature and Dissolved Oxygen TMDL Technical Analysis 20-03-111September 2020
Quality Assurance Project Plan - Appendix B3:SWRO Sampling Sites for 2019 & 2020 - Monitoring Fecal Coliform Bacteria in Western Washington Water Bodies 20-10-016July 2020
Quality Assurance Project Plan - Status and Trends Monitoring of Small Streams in the Puget Lowlands Ecoregion for Stormwater Action Monitoring (SAM) 20-10-015June 2020
Quality Assurance Project Plan: Freshwater Fish Contaminant Monitoring Program 20-03-106April 2020
Air Toxics Monitoring Quality Assurance Project Plan 04-02-018April 2020
Addendum to Quality Assurance Project Plan: Product Testing Version 1.0 — Formaldehyde in Children’s Products 2019 20-03-107March 2020
Quality Assurance Project Plan: Assessing Dioxin in Groundwater, Lower Yakima Valley 20-03-105March 2020
Addendum to Quality Assurance Project Plan for Measuring PCBs in Biofilm, Sediment, and Invertebrates in the Spokane River: Screening Study 20-03-103March 2020
2019 Addendum to Quality Assurance Monitoring Plan: The Puget Sound Sediment Monitoring Program 20-03-101February 2020
Quality Assurance Project Plan Addendum: Prevalence and Persistence of Cyanotoxins in Lakes of the Puget Sound Basin 20-03-102January 2020

 

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