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Quality Assurance Project Plans (QAPPs) (531 publications 1990-2021)

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Title (link to summary)NumberDate (released or updated)
Addendum 1 to Quality Assurance Project Plan: North Ocean Beaches Fecal Coliform Bacteria Source Investigation Study 17-10-034December 2017
Addendum 1 to Quality Assurance Project Plan: Product Testing Version 1.0 — PCBs in State Purchased Products 2017 17-04-045December 2017
Quality Assurance Project Plan: Copper and Zinc in Urban Runoff: Phase 2 – Rainwater Runoff Monitoring 17-03-117December 2017
Quality Assurance Project Plan: Flame Retardants in Ten Waterbodies in Washington State 17-03-116November 2017
Addendum 6 to Quality Assurance Project Plan: Freshwater Fish Contaminant Monitoring Program: 2017 17-03-115October 2017
School Supplies 2017, Addendum 2 to Quality Assurance Project Plan: Phthalates and Metals in Children's Products 17-03-114October 2017
Addendum 1 to Quality Assurance Project Plan: Long-Term Monitoring of Persistent, Bioaccumulative, and Toxic Chemicals using Age-Dated Lake Sediment Cores 17-03-113September 2017
Quality Assurance Project Plan: Chehalis Basin Flood Hazard - Mitigation Alternatives Analysis Project 17-10-026August 2017
Quality Assurance Project Plan: Spokane River - Urban Waters Investigation of PCBs in Soils and Stormwater Associated with Demolition Activities 17-10-010August 2017
DRAFT Quality Assurance Project Plan - Poly- and Perfluoroalkyl Substances in Consumer Goods in Washington State 15-04-009August 2017
Quality Assurance Project Plan: Lower Yakima River Temperature and Eutrophication Modeling, 2017 17-03-106July 2017
Quality Assurance Project Plan: Hangman Creek Dissolved Oxygen, pH, and Nutrients Pollutant Source Assessment 17-03-111May 2017
Quality Assurance Project Plan: East Fork Lewis Fecal Coliform Bacteria and Temperature Source Assessment 17-10-006April 2017
Addendum 9 to Quality Assurance Project Plan: The Puget Sound Assessment and Monitoring Program: Sediment Monitoring Component, 2017 17-03-109April 2017
Quality Assurance Project Plan: Water Sampling for Formaldehyde at Five Fish & Wildlife Hatcheries in Washington State: Screening Study 17-03-108March 2017
Programmatic Quality Assurance Project Plan: Water Quality Impairment Studies 17-03-107March 2017
Quality Assurance Project Plan: Environmental Effects-Based Concentrations for Total Petroleum Hydrocarbons (TPHs) in Marine Water and Freshwater 17-03-101March 2017
Addendum to Quality Assurance Project Plan: Product Testing Program, Version 1.0 — Better Brakes Study 17-04-005February 2017
Addendum to Quality Assurance Project Plan: Product Testing Program, Version 1.0 — PCBs in State Purchased Products 2017 17-04-004January 2017
Addendum 6 to Quality Assurance Project Plan: Depositional History of Mercury in Selected Washington Lakes Determined from Sediment Cores 17-03-105January 2017
Addendum to Quality Assurance Project Plan: Sampling and Analysis Plan, Soil and Groundwater Assessment: Three Tiger Oil Sites, Yakima, Washington. 17-03-104January 2017
Addendum 4 to Quality Assurance Monitoring Plan, Long-Term Marine Waters Monitoring, Water Column Program 17-03-103January 2017
Quality Assurance Project Plan: Columbia River Basin (Clark County WA) Local Source Control Monitoring for Toxics, Phase I - Screening Study 17-03-102January 2017