Publications Home



Quality Assurance Project Plans (QAPPs) (578 publications 1994-2024)

2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 ·
2004 · 2003 · 2002 · 2001 · 2000 · 1999 · 1998 · 1995 · 1994 ·

Title (link to summary)NumberDate (released or updated)
Quality Assurance Project Plan: Field Assessments of High-Priority Managed Aquifer Recharge Sites in the Upper Yakima River Basin 23-12-001December 2022
Quality Assurance Project Plan: Aladdin Plating Site Performance Groundwater Monitoring 22-03-117November 2022
Quality Assurance Project Plan: County Construction Recyclers Landfill Groundwater Assessment Monitoring 22-03-115November 2022
Addendum 2 to Quality Assurance Project Plan: Survey of PFAS in the Greater Lake Washington Watershed. 22-03-114October 2022
Quality Assurance Project Plan: Puget Sound Spatially Referenced Regression on Watershed Attributes (SPARROW) 22-03-109October 2022
Quality Assurance Project Plan: Better Brakes Enforcement Study, 2022 22-03-110September 2022
Quality Assurance Project Plan: Toxic Chemicals in Cosmetics 22-03-113August 2022
Quality Assurance Project Plan: Monitoring of Tributaries to the Yakima River Boundary Waters of the Yakama Nation 22-03-112August 2022
Quality Assurance Project Plan: Lower Yakima River Monitoring to Support Continuous Water Quality Gaging 22-03-111August 2022
Quality Assurance Project Plan: Leland Creek (WRIA 45) Physical HABitat SIMulation Study - 2022 22-12-004July 2022
NWRO Addendum to Quality Assurance Project Plan: Nonpoint Pollution Investigations in Western Washington 22-10-009May 2022
Quality Assurance Project Plan: Puget Sound Marine Benthic Index and Graphical Causal Model 22-03-105May 2022
Quality Assurance Project Plan: Lead and Cadmium in School Supplies, 2021 22-03-108April 2022
Addendum 1 to Quality Assurance Project Plan: Long-Term Marine Waters Monitoring, Water Column Program 22-03-103February 2022
2022 Addendum to Quality Assurance Monitoring Plan: The Puget Sound Sediment Monitoring Program 22-03-102January 2022
Quality Assurance Project Plan: Guidance for the WDOE NWTPH-Dx Method for Testing Groundwater 22-03-101January 2022