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Quality Assurance Project Plans (QAPPs) (525 publications 1990-2021)

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Title (link to summary)NumberDate (released or updated)
Quality Assurance Project Plan: Flame Retardants in Electric and Electronic Casings 21-03-113July 2021
Quality Assurance Project Plan—Metals in Packaging 15-04-014July 2021
Quality Assurance Project Plan for PCBs in General Consumer Products 13-04-008July 2021
Quality Assurance Project Plan: Lower Yakima Valley Groundwater Management Area (GWMA) Ambient Groundwater Monitoring Network 21-03-106June 2021
Quality Assurance Project Plan: Per- and Polyfluoroalkyl Substances (PFAS) in Washington State Products 18-04-012June 2021
Addendum to Quality Assurance Project Plan: Measuring Mercury Trends in Freshwater Fish in Washington State 21-03-111May 2021
Quality Assurance Project Plan: Survey of Phthalates in Washington State Waterbodies 21-03-110May 2021
Quality Assurance Project Plan: Lower Snohomish River Tributaries Fecal Coliform Bacteria Effectiveness Monitoring 21-03-107May 2021
Addendum to Quality Assurance Project Plan: Survey of PFAS in the Greater Lake Washington Watershed 21-03-105May 2021
Quality Assurance Project Plan: City of West Richland Phase 2a Well No.10. 21-12-007April 2021
Quality Assurance Monitoring Plan: Long-Term Marine Waters Monitoring, Water Column Program, 2020 21-03-108April 2021
Quality Assurance Project Plan: Groundwater Monitoring Well Installation 2020-2021: Washington Department of Ecology and the National Groundwater Monitoring Network 21-03-104March 2021
2021 Addendum to Quality Assurance Monitoring Plan: The Puget Sound Sediment Monitoring Program.2021 Addendum to Quality Assurance Monitoring Plan: The Puget Sound Sediment Monitoring Program. 21-03-101February 2021
Addendum 3 to Quality Assurance Project Plan: Wenatchee River PCB and DDT Source Assessment 21-03-103January 2021