| Title (link to summary) |
Number |
Date (released or updated) |
| Quality Assurance Project Plan: Assessment of Aquatic Toxicity in North Creek, Gig Harbor. | 09-03-132 | November 2009 |
| Quality Assurance Project Plan: Waitsburg Wastewater Treatment Plant Groundwater Study: Evaluation of Nutrient Loading to the Touchet River | 09-03-119 | November 2009 |
| Quality Assurance Project Plan: Effects of Conventional versus Minimum Tillage on Groundwater Nitrate at a Manured Grass Field | 09-03-126 | October 2009 |
| Quality Assurance Project Plan: Lake Ozette Watershed PBT Monitoring: Speciated Mercury in Stream Surface Waters | 09-03-129 | October 2009 |
| Quality Assurance Project Plan: Deschutes River Continuous Nitrate Monitoring | 09-03-130 | October 2009 |
| Errata: Control of Toxic Chemicals in Puget Sound, Phase 2: Improved Estimates of Loadings from Dischargers of Municipal and Industrial Wastewater | 08-10-089b | October 2009 |
| Quality Assurance Project Plan: Tracking Short-Term Movements of Suspended Sediments in the Lower Duwamish Waterway. | 09-03-124 | October 2009 |
| Quality Assurance Project Plan: Lower White River pH Nutrients Study. | 09-03-131 | October 2009 |
| Quality Assurance Project Plan: Leach Creek (Pierce County) Mercury and Copper Monitoring. | 09-03-128 | September 2009 |
| Automated Method Data Documentation and Validation Procedure | 95-201C | September 2009 |
| Quality Assurance Project Plan: White Salmon River Fecal Coliform Bacteria Compliance Monitoring | 09-03-127 | September 2009 |
| Quality Assurance Project Plan: Monitoring Seep Water from the Port Angeles Landfill to an Intertidal Area | 09-03-125 | September 2009 |
| Quality Assurance Project Plan: The Puget Sound Assessment and Monitoring Program Sediment Monitoring Component. | 09-03-121 | August 2009 |
| Addendum to Quality Assurance Project Plan: McAllister Creek Source Identification: Water Quality Monitoring for Fecal Coliform Bacteria and Nitrate+Nitrite-N in Medicine Creek | 07-10-105-Addendum | August 2009 |
| Quality Assurance Project Plan: Control of Toxic Chemicals in Puget Sound Phase 3: Characterization of Toxic Chemicals in Puget Sound and Selected Major Tributaries | 09-03-118 | August 2009 |
| Quality Assurance Project Plan: Potential Impacts from Mercury Used in Historic Gold Mining on Six Rivers and Streams | 09-03-123 | August 2009 |
| Quality Assurance Project Plan: Skagit-Samish Watershed Intensive Surface Water Sampling for Pesticides in Salmonid-Bearing Streams | 09-03-120 | August 2009 |
| Quality Assurance Project Plan: McAllister Creek Water Quality Investigation for Fecal Coliform Bacteria | 09-10-063 | August 2009 |
| Quality Assurance Project Plan: Nooksack Basin Prediction of Gaged Flows by Modeling | 09-03-117 | August 2009 |
| Quality Assurance Project Plan for Phase 3: Characterization of Loadings via Surface Runoff | 09-10-052 | August 2009 |
| Quality Assurance Project Plan: Crab Creek Alternate Water Supply Route Study: Water Quality Monitoring | 09-03-116 | July 2009 |
| Quality Assurance Project Plan, Supplemental: Walla Walla River Basin Fecal Coliform Bacteria and pH Total Maximum Daily Load Study | 09-03-114 | July 2009 |
| Quality Assurance Project Plan: Grayland Ditch: An Evaluation of Organophosphate Pesticides and Pesticide Test Kits | 09-03-115 | July 2009 |
| Quality Assurance Project Plan: Trends Monitoring for Organic PBTs: Revisions for the 2009 Spring Monitoring Effort | 09-03-113 | May 2009 |
| Quality Assurance Project Plan: Sumas-Blaine Surficial Aquifer Long-Term Ambient Groundwater Monitoring | 09-03-111 | April 2009 |
| Quality Assurance Project Plan: Puget Sound Dissolved Oxygen Modeling Study: Intermediate-scale Model Development | 09-03-110 | April 2009 |
| Quality Assurance Project Plan: Audubon Lake's Connection to Upper Crab Creek (Lincoln County): Source Assessment | 09-03-112 | April 2009 |
| Quality Assurance Project Plan: Okanogan River DDT and PCB Total Maximum Daily Load Effectiveness Monitoring | 09-03-107 | April 2009 |
| Quality Assurance Project Plan: Suspended Sediment and Turbidity Total Maximum Daily Load Effectiveness-Monitoring Project in the Upper Yakima River Basin April to October 2006 | 09-10-034 | April 2009 |
| Addendum to Quality Assurance Project Plan: Skokomish River Basin Fecal Coliform TMDL Attainment Monitoring | 05-03-201ADD1 | April 2009 |
| Quality Assurance Project Plan: PBDE Flame Retardants in Spokane River Fish Tissues and Osprey Eggs | 09-03-108 | April 2009 |
| Quality Assurance Project Plan: New Zealand Mud Snail Potassium-Chloride and Magnesium-Chloride Bioassay. | 09-03-109 | April 2009 |
| Addendum 3 to Quality Assurance Project Plan: Washington State Surface Water Monitoring Program for Pesticides in Salmonid Habitat in Two Index Watersheds | 03-03-104ADD3 | April 2009 |
| Quality Assurance Project Plan: General Characterization of PCBs in South Lake Washington Sediments. | 09-03-106 | March 2009 |
| Quality Assurance Project Plan: Innovative Temperature Total Maximum Daily Load Pilot Study | 09-03-105 | March 2009 |
| Addendum to the Quality Assurance Project Plan for Control of Toxic Chemicals in Puget Sound, Phase 3: Priority Pollutant Scans of Ten POTWs | 09-10-001a | March 2009 |
| Quality Assurance Project Plan: Dungeness Bay and Lower Dungeness River Watershed Fecal Coliform Bacteria Total Maximum Daily Load Effectiveness Monitoring | 09-03-104 | February 2009 |
| Quality Assurance Project Plan for Control of Toxic Chemicals in Puget Sound, Phase 3: Priority Pollutant Scans of Ten POTWs | 09-10-001 | February 2009 |
| Quality Assurance Project Plan: Puget Sound Dissolved Oxygen Modeling Study: Large-scale Model Development. | 09-03-103 | January 2009 |
| Addendum to Quality Assurance Project Plan: South Prairie Creek Total Maximum Daily Load Phase II Evaluation | 01-03-064ADD1 | January 2009 |
| Water Quality Study Design (Quality Assurance Project Plan): Liberty Bay Tributaries Fecal Coliform Bacteria Total Maximum Daily Load | 09-03-102 | January 2009 |
| Quality Assurance Project Plan: Little Spokane River Fish Hatchery, Water Quality Monitoring for Nutrients | 08-03-120 | December 2008 |
| Quality Assurance Project Plan: Des Moines, Massey, and McSorley Creeks Copper and Zinc Water Quality Assessment | 08-03-119 | December 2008 |
| Quality Assurance Project Plan: Goosmus Creek Metals and Conventional Parameters Water Quality Monitoring | 08-03-118 | November 2008 |
| Focus on: Side-by-Side River and Stream Sampling Program | 08-03-028 | October 2008 |
| Quality Assurance Project Plan: Hangman Creek Watershed Dissolved Oxygen and pH Total Maximum Daily Load Water Quality Study Design | 08-03-117 | October 2008 |
| Quality Assurance Project Plan: Screening for Blue-Green Algae Toxins in Lake Fish Tissues. | 08-03-116 | October 2008 |
| Quality Assurance Project Plan: Loading of Contaminants to the Lower Duwamish Waterway from Suspended Sediments in the Green River | 08-03-114 | September 2008 |
| Quality Assurance Project Plan: High-resolution, Pore-water Sampling Near the Groundwater/Surface Water Interface | 08-03-115 | September 2008 |
| Quality Assurance Project Plan: Receiving Water Study for Puget Sound Boatyards: Metals Translators and Hardness | 08-03-108 | September 2008 |
| Addendum to Quality Assurance Project Plan: Drayton Harbor Watershed Fecal Coliform Total Maximum Daily Load | 08-03-105ADD1 | September 2008 |
| Quality Assurance Project Plan: Pharmaceuticals and Personal Care Products in Wastewater Treatment Systems | 08-03-112 | August 2008 |
| Quality Assurance Project Plan: Evaluation of Candidate Freshwater Sediment Reference Sites | 08-03-111 | July 2008 |
| Quality Assurance Project Plan: Burnt Bridge Creek Fecal Coliform Bacteria, Dissolved Oxygen, and Temperature Total Maximum Daily Load-Water Quality Study Design | 08-03-110 | July 2008 |
| Quality Assurance Project Plan: Union River Fecal Coliform Total Maximum Daily Load Effectiveness Monitoring | 08-03-109 | July 2008 |
| Addendum to Quality Assurance Project Plan: Type N Experimental Buffer Treatment Study: Addressing Buffer Effectiveness on Riparian Inputs, Water Quality, and Exports to Fish-Bearing Waters in Basaltic Lithologies | 07-03-103ADD1 | June 2008 |
| Quality Assurance Project Plan: Lead and Copper Concentrations In North Creek, Gig Harbor | 08-03-106 | May 2008 |
| Addendum #1 to Quality Assurance Project Plan: Depositional History of Mercury in Selected Washington Lakes Determined from Sediment Cores. | 06-03-113ADD1 | May 2008 |
| Addendum #1 to Quality Assurance Project Plan: A Trend Monitoring Component for Organic PBTs in the Washington State Toxics Monitoring Program | 07-03-104ADD1 | May 2008 |
| Quality Assurance Project Plan: PBT Monitoring: Measuring Perfluorinated Compounds in Washington Rivers and Lakes | 08-03-107 | May 2008 |
| Quality Assurance Project Plan: Drayton Harbor Watershed Fecal Coliform Total Maximum Daily Load: Phase 1 Water Quality Study Design | 08-03-105 | March 2008 |
| Quality Assurance Project Plan: Surface Sediment and Fish Tissue Chemistry in Greater Elliott Bay (Seattle) | 08-03-103 | February 2008 |
| Quality Assurance Project Plan: West Medical Lake Total PCBs and Dioxin (2,3,7,8-TCDD) Total Maximum Daily Load | 08-03-104 | February 2008 |
| Quality Assurance Project Plan: Potholes Reservoir Assessment of Dieldrin and Other Chlorinated Contaminants | 08-03-101 | February 2008 |
| Quality Assurance Project Plan: PCB and Dioxin Levels in Resident Fish from Washington Background Lakes and Rivers | 08-03-102 | January 2008 |
| Quality Assurance Project Plan: Water Quality Monitoring for Fecal Coliform Bacteria in Dobbs Creek | 08-10-009 | January 2008 |
| Quality Assurance Project Plan: McAllister Creek Source Identification: Water Quality Monitoring for Fecal Coliform Bacteria and Nitrate+Nitrite-N in Medicine Creek | 07-10-105 | December 2007 |
| Quality Assurance Project Plan: Wenatchee and Mid-Columbia Basins, Impact of Copper Use on Receiving Waters | 07-03-112 | November 2007 |
| Quality Assurance Project Plan: Assessment of Sediment Toxicity near Post Point (Bellingham Bay) | 07-03-113 | October 2007 |
| Addendum #3 to Quality Assurance Project Plan: South Puget Sound Water Quality Study Phase 2: Dissolved Oxygen | 07-03-101ADD3 | September 2007 |
| Addendum #2 to Quality Assurance Project Plan: Shelton Cleaners and Laundry. | 02-03-078ADD2 | September 2007 |
| Addendum #2 to Quality Assurance Project Plan: South Puget Sound Water Quality Study Phase 2: Dissolved Oxygen. | 07-03-101ADD2 | September 2007 |
| Quality Assurance Project Plan: Palouse River Dissolved Oxygen and pH Total Maximum Daily Load Study-Water Quality Study Design | 07-03-110 | August 2007 |
| Quality Assurance Project Plan: Dieldrin and PCB Monitoring of Wastewater Treatment Plants in the Palouse River Watershed | 07-03-111 | August 2007 |
| Addendum to Quality Assurance Project Plan: South Puget Sound Water Quality Study, Phase 2: Dissolved Oxygen | 07-03-101ADD1 | August 2007 |
| Quality Assurance Project Plan: Lake Chelan Wapato Basin Total Phosphorus TMDL Effectiveness Monitoring, 2007 | 07-03-109 | August 2007 |
| Quality Assurance Project Plan: South Puget Sound Water Quality Study Phase 2: Dissolved Oxygen | 07-03-101 | August 2007 |
| Quality Assurance Project Plan: Water Quality Monitoring for Fecal Coliform Bacteria in Kennedy Creek | 07-10-059 | August 2007 |
| Quality Assurance Project Plan: Yakima River Chlorinated Pesticides, PCBs, Suspended Sediment, and Turbidity Total Maximum Daily Load Study. | 07-03-107 | July 2007 |
| Quality Assurance Project Plan: Palouse River Bacteria Total Maximum Daily Load Water Quality Study Design | 07-03-108 | July 2007 |
| Quality Assurance Project Plan: Water Quality Monitoring for Fecal Coliform Bacteria in Pierre Creek and Burns Creek | 07-10-036 | July 2007 |
| Quality Assurance Project Plan: Palouse River Temperature Total Maximum Daily Load Study | 07-03-106 | June 2007 |
| Quality Assurance Project Plan: Marion Drain Intensive Surface Water Sampling for Pesticides In Salmonid-Bearing Streams | 07-03-105 | June 2007 |
| Quality Assurance Project Plan: A Trend Monitoring Component for Organic PBTs in the Washington State Toxics Monitoring Program | 07-03-104 | June 2007 |
| Quality Assurance Project Plan: Type N Experimental Buffer Treatment Study: Addressing Buffer Effectiveness on Riparian Inputs, Water Quality, and Exports to Fish-Bearing Waters in Basaltic Lithologies | 07-03-103 | March 2007 |
| Addendum to Quality Assurance Project Plan: Surface Water Monitoring Program for Pesticides in Salmonid Bearing Streams: Addition of Wenatchee and Entiat Watersheds in the Upper Columbia Basin. | 03-03-104ADD2 | February 2007 |
| Addendum to Quality Assurance Project Plan: American Plating Post-Interim Action Monitoring. | 04-03-105ADD | February 2007 |
| Quality Assurance Project Plan: Bertrand Creek and Meadowdale Areas (Whatcom County) Follow-Up Study of EDB and 1,2-DCP in Residential Wells. | 07-03-102 | January 2007 |
| Addendum to Quality Assurance Project Plan: Naches River Temperature Total Daily Maximum Load Study. | 04-03-110ADD | January 2007 |
| Addendum to Quality Assurance Project Plan: Groundwater, Soil, and Crop Nitrogen at a Field Where Dairy Waste is Used as Fertilizer in Whatcom County | 04-03-112ADD | January 2007 |
| Quality Assurance Project Plan: Using Sediment Profile Imaging (SPI) to Evaluate Sediment Quality at Two Puget Sound Cleanup Sites: Part I - Lower Duwamish Waterway | 06-03-116 | December 2006 |
| Quality Assurance Project Plan: Using Sediment Profile Imaging (SPI) to Evaluate Sediment Quality at Two Puget Sound Cleanup Sites: Part II: Port Gamble Bay | 06-03-117 | December 2006 |
| 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. | 06-03-119 | December 2006 |
| Quality Assurance Project Plan: Puyallup River Watershed Fecal Coliform Bacteria Total Maximum Daily Load Study | 06-03-115 | December 2006 |
| Quality Assurance Project Plan: Similkameen River and Palmer Lake Investigation of Arsenic in Fish Tissue | 06-03-118 | December 2006 |
| PCB Monitoring at Walla Walla Wastewater Treatment Plants | 06-03-114 | October 2006 |
| Addendum to Quality Assurance Project Plan: Pend Oreille River Temperature TMDL | 04-03-109ADD | October 2006 |
| Addendum to Quality Assurance Project Plan: Montesano Groundwater Investigation of Leaking Underground Storage Tank Sites | 04-03-114ADD | October 2006 |
| Sampling and Analysis Plan and Quality Assurance Project Plan: Green River and Newaukum Creek Temperature and Dissolved Oxygen Study | 06-03-110 | October 2006 |
| Quality Assurance Project Plan: Depositional History of Mercury in Selected Washington Lakes Determined from Sediment Cores. | 06-03-113 | October 2006 |
| Sampling and Analysis Plan and Quality Assurance Project Plan: Bear/Evans Watershed Temperature and Dissolved Oxygen Total Maximum Daily Load Study | 06-03-107 | September 2006 |
| Quality Assurance Project Plan: South Fork Palouse River Dissolved Oxygen and pH Total Maximum Daily Load Study | 06-03-112 | September 2006 |
| Quality Assurance Project Plan: Measuring Copper Concentrations in Two Puget Sound Marinas | 06-03-109 | September 2006 |
| Quality Assurance Project Plan: Chlorinated Pesticides, PCBs, and Dioxins in Yakima River Fish - 2006: Assessing Progress Toward TMDL Targets and Updating the Fish Consumption Advisory | 06-03-111 | September 2006 |
| Quality Assurance Project Plan: Puyallup and White Rivers Temperature and Dissolved Oxygen Monitoring | 06-03-204 | August 2006 |
| Quality Assurance Project Plan: Old Stillaguamish River Multi-Parameter Total Maximum Daily Load Study | 06-03-108 | August 2006 |
| Quality Assurance Project Plan: Snoqualmie River Temperature Total Maximum Daily Load Study | 06-03-106 | July 2006 |
| Addendum to Quality Assurance Project Plan: Shelton Laundry and Cleaners. | 02-03-078ADD | July 2006 |
| Quality Assurance Project Plan: South Fork Palouse River Fecal Coliform Bacteria Total Maximum Daily Load Study | 06-03-105 | June 2006 |
| Quality Assurance Project Plan: South Fork Palouse River Temperature Total Maximum Daily Load Study | 06-03-104 | June 2006 |
| Quality Assurance Project Plan: Measuring Mercury Trends in Freshwater Fish in Washington State | 06-03-103 | April 2006 |
| Quality Assurance Project Plan: Samish Bay Fecal Coliform Bacteria Total Maximum Daily Load Study | 06-03-102 | March 2006 |
| Addendum to Quality Assurance Project Plan for Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams: Addition of Skagit-Samish Watersheds, and Extension of Program through June 2009. | 03-03-104ADD | March 2006 |
| Quality Assurance Project Plan: Willapa River Fecal Coliform Bacteria Verification Study | 06-03-202 | February 2006 |
| Quality Assurance Project Plan: Lake Ballinger Total Maximum Daily Load Effectiveness Monitoring Study | 06-03-201 | January 2006 |
| Quality Assurance Project Plan: Toxics in Stormwater Runoff from Puget Sound Boatyards | 05-03-118 | December 2005 |
| Quality Assurance Project Plan: PCBs and Other Contaminants in Spokane River Fish, 2005 | 05-03-120 | December 2005 |
| Quality Assurance Project Plan: Assessment of Ambient Groundwater Quality Conditions in the Surficial Unconsolidated Sedimentary Aquifer of the Moxee Valley, Yakima County, Washington | 05-03-119 | December 2005 |
| Quality Assurance Project Plan: Fourth Screening Investigation of Water and Sediment Quality in Creeks from Selected Washington Mining Districts | 05-10-088 | December 2005 |
| Quality Assurance Project Plan: Continuous Stream Temperature Monitoring by the Freshwater Monitoring Unit | 05-03-202 | December 2005 |
| Quality Assurance Project Plan: Comparison of Stream Temperature Monitoring Protocols used by the Environmental Monitoring and Trends Section | 05-03-205 | December 2005 |
| Quality Assurance Project Plan: Hood Canal Dissolved Oxygen Program Integrated Assessment and Modeling Study Year 1 Activities | 05-03-114 | November 2005 |
| Quality Assurance Project Plan: South Fork Palouse River Pesticide, PCB, and Fecal Coliform Stormwater Pilot Study | 05-03-115 | November 2005 |
| Quality Assurance Project Plan: South Puget Sound Fish and Shellfish Tissue Verification of 303(d) Listings | 05-03-116 | November 2005 |
| Quality Assurance Project Plan: Squalicum Harbor Tributyltin (TBT) Investigation | 05-03-117 | November 2005 |
| Quality Assurance Project Plan: PBT Monitoring: Measuring PBDE Levels in Washington Rivers and Lakes | 05-03-113 | September 2005 |
| Quality Assurance Project Plan: Metals Concentrations from Stormwater Runoff in an Industrial Area Creek | 05-03-112 | September 2005 |
| Quality Assurance Project Plan: Pataha Creek Effectiveness Monitoring Total Maximum Daily Load Study | 05-03-203 | August 2005 |
| Quality Assurance Project Plan: Cornet Bay Intertidal Contaminant Screening Survey | 05-03-109 | June 2005 |
| Quality Assurance Project Plan: Upper Yakima Basin Temperature Total Maximum Daily Load Study | 05-03-111 | June 2005 |
| Quality Assurance Project Plan: East Fork Lewis River Temperature and Fecal Coliform Bacteria Total Maximum Daily Load Study | 05-03-110 | June 2005 |
| Quality Assurance Project Plan: Assessing Current Levels of 303(d) Listed Pesticides and PCBs in Palouse River Fish | 05-03-106 | May 2005 |
| Quality Assurance Project Plan: Methoprene Monitoring in Grant County Mosquito Control District #1 | 05-03-108 | May 2005 |
| Quality Assurance Project Plan: Bioaccumulative Chemicals in Hatchery Feed and Hatchery Fish | 05-03-104 | May 2005 |
| Quality Assurance Project Plan: Total Maximum Daily Load Analysis for Temperature in Tributaries to Oakland Bay-Hammersley Inlet: Mill Creek, Cranberry Creek, and Johns Creek | 05-03-107 | May 2005 |
| Quality Assurance Project Plan: Investigation of Petroleum Products in Black Lake Sediment and Surface Water from Underground Tanks. | 05-03-105 | April 2005 |
| Quality Assurance Project Plan: A Survey of Zinc Concentrations in Industrial Stormwater Runoff | 05-03-103 | April 2005 |
| Quality Assurance Project Plan: Saginaw Mill Groundwater Monitoring | 05-03-102 | February 2005 |
| Quality Assurance Project Plan: Skokomish River Basin Fecal Coliform TMDL Attainment Monitoring | 05-03-201 | February 2005 |
| Quality Assurance Project Plan: Yakima Area Creeks Fecal Coliform Total Maximum Daily Load Study | 05-03-101 | January 2005 |
| Quality Assurance Project Plan: Post Point, Bellingham Bay Sediment Sulfide and Toxicity Assessment | 04-03-116 | December 2004 |
| Quality Assurance Project Plan: Stormwater Quality Survey of Western Washington Construction Sites: Year 2 | 04-03-118 | December 2004 |
| Quality Assurance Project Plan: Ostrich Bay Sediment Toxicity Evaluation | 04-03-117 | December 2004 |
| Quality Assurance Project Plan: Groundwater, Soil, and Crop Nitrogen at a Field Where Dairy Waste is Used as Fertilizer in Whatcom County. | 04-03-112 | November 2004 |
| Quality Assurance Project Plan: Verification of 303(d) Listings for Fish Tissue in the Skagit and Pend Oreille Rivers | 04-03-115 | November 2004 |
| Quality Assurance Project Plan: Old Stillaguamish River Channel Diel Surveys. | 04-03-113 | October 2004 |
| Quality Assurance Project Plan: Montesano Groundwater Investigation of Leaking Underground Storage Tank Sites. | 04-03-114 | October 2004 |
| Quality Assurance Project Plan: Naches River Temperature Total Maximum Daily Load | 04-03-110 | September 2004 |
| Quality Assurance Project Plan: Fecal Coliform Bacteria TMDL for Oakland Bay-Hammersley Inlet and Tributaries | 04-03-111 | September 2004 |
| Quality Assurance Project Plan: Total Maximum Daily Load Effectiveness Monitoring Study: Lakes Erie and Campbell | 04-03-206 | September 2004 |
| Quality Assurance Project Plan: Pend Oreille River Temperature Total Maximum Daily Load Technical Study | 04-03-109 | September 2004 |
| Air Toxics Monitoring Quality Assurance Project Plan | 04-02-018 | September 2004 |
| Guidelines for Preparing Quality Assurance Project Plans for Environmental Studies | 04-03-030 | July 2004 |
| Quality Assurance Project Plan: Lake Tapps Monitoring | 04-03-204 | July 2004 |
| Quality Assurance Project Plan: Lake Bacteria Sampling Project | 04-03-202 | July 2004 |
| Quality Assurance Project Plan: Effects of Small-Scale Gold Dredging on Metals Concentrations in the Similkameen River | 04-03-108 | July 2004 |
| Quality Assurance Project Plan: BEACH Program | 04-03-205 | June 2004 |
| Quality Assurance Project Plan: Tributaries to Totten, Eld, and Little Skookum Inlets Temperature and Fecal Coliform Bacteria Total Maximum Daily Load Study | 04-03-106 | May 2004 |
| Quality Assurance Project Plan: Pend Oreille River Total Dissolved Gas Total Maximum Daily Load Technical Study | 04-03-107 | May 2004 |
| Quality Assurance Project Plan: Snoqualmie River Total Maximum Daily Load Effectiveness Evaluation | 04-03-201 | March 2004 |
| Quality Assurance Project Plan: American Plating Post-Interim Action Monitoring | 04-03-105 | March 2004 |
| PM10 Tapered Element Oscillating Microbalance Operating Procedure | 04-02-005 | March 2004 |
| Quality Assurance Project Plan: Screening for Pharmaceuticals in Wastewater Treatment Plant Effluents, Groundwater, and Surface Water in the Sequim-Dungeness Area | 04-03-104 | February 2004 |
| Quality Assurance Project Plan: Deschutes River, Capitol Lake, and Budd Inlet Temperature, Fecal Coliform Bacteria, Dissolved Oxygen, pH, and Fine Sediment Total Maximum Daily Load Study | 04-03-103 | February 2004 |
| Quality Assurance Project Plan: Groundwater Assessment Program Pilot Study, Phase 2 | 04-03-102 | January 2004 |
| Quality Assurance Project Plan: Spatial Extent of Dioxin/Furan Contaminated Sediments in Dillenbaugh Creek | 04-03-101 | January 2004 |
| Quality Assurance Project Plan: Verification of 303(d) Listed Sites in Northwest, Central, and Eastern Regions of Washington State | 03-03-112 | December 2003 |
| Quality Assurance Project Plan: Stormwater Quality Survey of Western Washington Log Yards | 03-03-113 | December 2003 |
| Quality Assurance Project Plan: Stormwater Quality Survey of Western Washington Construction Sites | 03-03-111 | November 2003 |
| Quality Assurance Project Plan: Little Squalicum Creek Biological Toxicity Assessment | 03-03-110 | October 2003 |
| Quality Assurance Project Plan: Total Maximum Daily Load Study for PCBs in the Spokane River | 03-03-107 | October 2003 |
| Quality Assurance Project Plan: Monitoring 303(d) Listed Pesticides, PCBs, and PAHs in the Lower Columbia River Drainage Using a Semipermeable Membrane Device | 03-03-108 | October 2003 |
| Quality Assurance Project Plan: Groundwater Assessment Program Pilot Study, Phase 1 | 03-03-109 | October 2003 |
| Quality Assurance Project Plan: Lake Bacteria Sampling Project | 03-03-201 | August 2003 |
| Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, pH, and Fecal Coliform Total Maximum Daily Load, Year 2 Technical Study | 03-03-106 | August 2003 |
| Quality Assurance Project Plan: TMDL Effectiveness Monitoring and Water Quality Evaluation in the Lower Yakima River | 04-03-203 | July 2003 |
| Quality Assurance Project Plan: Total Maximum Daily Load Study for DDT and PCBs in Lake Chelan | 03-03-105 | July 2003 |
| Quality Assurance Project Plan: 2003 BEACH Pilot Project | 03-03-202 | June 2003 |
| Quality Assurance Project Plan: Washington State Surface Water Monitoring Program for Pesticides in Salmonid Habitat for Two Index Watersheds | 03-03-104 | May 2003 |
| Quality Assurance Project Plan: Total Maximum Daily Load Study for DDT Contamination and Transport in the Lower Mission Creek Basin, Chelan County, Washington | 03-03-103 | April 2003 |
| Quality Assurance Project Plan: Spokane River Total Dissolved Gas Total Maximum Daily Load Evaluation | 03-03-102 | March 2003 |
| Quality Assurance Project Plan: Addendum to Operation and Maintenance Manual of the Treatment Lagoon, Palermo Wellfield Superfund Site | 03-03-101 | March 2003 |
| Quality Assurance Project Plan: Henderson and Nisqually TMDL Study | 03-03-100 | February 2003 |
| Quality Assurance Project Plan: Lower White River Temperature Study | 03-10-028 | January 2003 |
| Quality Assurance Project Plan: Shelton Cleaners and Laundry | 02-03-078 | December 2002 |
| Quality Assurance Project Plan: Characterization of Groundwater Discharge to Lake Whatcom | 02-03-082 | December 2002 |
| Quality Assurance Project Plan: Monitoring for Nitrate Trends in the Central Sumas-Blaine Surficial Aquifer | 02-03-084 | December 2002 |
| Quality Assurance Project Plan: Squalicum Creek Toxics Screening Study | 02-03-083 | December 2002 |
| Quality Assurance Project Plan: Screening Investigation of Water and Sediment Quality in Creeks from Ten Washington Mining Districts | 02-03-081 | October 2002 |
| Quality Assurance Project Plan: Verification of 1998 303(d) Listing for PCBs in Budd Inlet (Inner) | 02-03-085 | October 2002 |
| Quality Assurance Project Plan: Screening Survey of Mercury Levels in Edible Fish Tissue from Selected Lakes and Rivers of Washington State | 02-03-080 | October 2002 |
| Quality Assurance Project Plan: Woodland Creek Temperature TMDL | 02-03-077 | September 2002 |
| Quality Assurance Project Plan: Mercury in Sediments from Lake Whatcom and Surrounding Lakes: Determination of Spatial and Temporal Patterns and Characterization of Tributary Inputs | 02-03-079 | September 2002 |
| Quality Assurance Project Plan: Investigation of Background Concentrations of Organic and Inorganic Arsenic in Freshwater Fish Tissue in Four Washington Lakes | 02-03-075 | September 2002 |
| Quality Assurance Project Plan: Walla Walla River Basin Fecal Coliform Bacteria and pH Total Maximum Daily Load Study | 02-03-076 | August 2002 |
| Quality Assurance Project Plan: TMDL Technical Assessment of DDT and PCBs in the Okanogan River | 02-03-070 | August 2002 |
| Quality Assurance Project Plan: Pesticide Reduction Evaluation for Cranberry Bog Drainage in the Grayland Area | 02-03-072 | August 2002 |
| Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, and pH Total Maximum Daily Load, Year 1 Technical Study | 02-03-069 | July 2002 |
| Addendum to Quality Assurance Project Plan: Wenatchee River Temperature, Dissolved Oxygen, and pH Total Maximum Daily Load Year 1 Technical Study | 02-03-069ADD | July 2002 |
| Quality Assurance Project Plan: Norfolk CSO Sediment Cap Recontamination Phase 1 Inspection | 02-03-073 | July 2002 |
| Quality Assurance Project Plan: Lake Whatcom TMDL Study | 02-03-074 | July 2002 |
| Quality Assurance Project Plan: TMDL Technical Study: Chlorinated Pesticides and PCBs in the Walla Walla River | 02-03-068 | July 2002 |
| Quality Assurance Project Plan: Mid Columbia and Snake Rivers Total Dissolved Gas TMDL Field Monitoring | 02-03-067 | July 2002 |
| Quality Assurance Project Plan: Pesticide Monitoring in the Mission Creek Basin | 02-03-071 | July 2002 |
| Quality Assurance Project Plan: Walla Walla River Tributaries Temperature Total Maximum Daily Load | 02-03-066 | June 2002 |
| Quality Assurance Project Plan: Mobilization and Impacts of Arsenic Species and Selected Metals on a Wetland Adjacent the B&L Landfill, Milton, Washington | 02-03-086 | April 2002 |
| Quality Assurance Project Plan: Washington State Toxics Monitoring Program, Exploratory Monitoring of Toxic Contaminants in Edible Fish Tissue and Freshwater Environments of Washington State. | 02-03-065 | April 2002 |
| Quality Assurance Project Plan: Comparison of Toxicity in Lake Union Sediments Using Molecular DNA Techniques and Conventional Bioassay Measures | 02-03-089 | March 2002 |
| Quality Assurance Project Plan: Analysis of Fish from Long Lake, Washington, for PCBs and Selected Metals | 02-03-088 | February 2002 |
| Quality Assurance Project Plan: Arsenic Speciation in Puget Sound Fish and Crab | 02-03-087 | January 2002 |
| Quality Assurance Project Plan: Stillaguamish River Temperature Total Maximum Daily Load | 01-03-066 | December 2001 |
| Addendum to Quality Assurance Project Plan: Monitoring Program to Verify 303(d) Metals Listings for Selected Rivers and Creeks: Addendum, Arsenic Sampling of Selected Washington Rivers | 01-03-070 | December 2001 |
| Quality Assurance Project Plan: Ferndale WWTP Outfall Sediments | 01-03-067 | November 2001 |
| Quality Assurance Project Plan: Groundwater/Surface Water Interactions In the Sammamish River: a Preliminary Analysis. | 01-03-068 | October 2001 |
| Benthic Macroinvertebrate Biological Monitoring Protocols for Rivers and Streams: 2001 Revision | 01-03-028 | September 2001 |
| Quality Assurance Project Plan: Sampling to Verify 303(d) Listings for Chemical Contaminants in Shellfish Tissue from Dyes Inlet and Port Washington Narrows | 01-03-069 | August 2001 |
| Quality Assurance Project Plan: Willapa River Temperature Total Maximum Daily Load | 01-03-063 | August 2001 |
| Quality Assurance Project Plan: Monitoring Program to Verify 303(d) Metals Listings for Selected Rivers and Creeks | 01-03-071 | June 2001 |
| Quality Assurance Project Plan: PCBs in Sediments from Selected Sites in Puget Sound | 01-03-072 | May 2001 |
| Quality Assurance Project Plan: Reassessment of Toxicity of Lake Roosevelt Sediments | 01-03-073 | May 2001 |
| Quality Assurance Project Plan: Stillaguamish River Basin and Port Susan Total Maximum Daily Load Evaluation Update | 01-03-065 | April 2001 |
| Quality Assurance Project Plan: Characterization of the Groundwater Discharge to Moses Lake, Washington | 01-03-074 | April 2001 |
| Quality Assurance Project Plan: Moses Lake Phosphorus TMDL Study | 01-03-075 | April 2001 |
| Quality Assurance Project Plan: Freshwater Field Protocol Comparability | 01-03-200 | April 2001 |
| Quality Assurance Project Plan: Padden Creek Pesticide Monitoring Project | 01-03-076 | March 2001 |
| Quality Assurance Project Plan: South Prairie Creek Total Maximum Daily Load Phase II Evaluation | 01-03-064 | January 2001 |
| Quality Assurance Project Plan: Colville River Fecal Coliform TMDL Study. | 00-03-082 | December 2000 |
| Quality Assurance Project Plan: Second Screening Investigation of Water and Sediment Quality in Creeks in Washington Mining Districts | 00-03-083 | December 2000 |
| Quality Assurance Project Plan: Ambient Ground-Water Monitoring in the West Valley area, Yakima County, Washington | 00-03-084 | December 2000 |
| Quality Assurance Project Plan: Toxicity Testing Spokane River Sediments | 00-03-085 | December 2000 |
| Quality Assurance Project Plan: Ambient Groundwater Monitoring in the Dungeness Watershed, Clallam County, Washington | 00-03-086 | December 2000 |
| Quality Assurance Project Plan: Levels and Sources of Arsenic in the Similkameen River | 00-03-087 | December 2000 |
| Quality Assurance Project Plan: Oakland Bay and Skookum Inlet Bacteria Study | 00-03-088 | December 2000 |
| Quality Assurance Project Plan: Spokane River PCB Source Survey | 00-03-089 | December 2000 |
| Quality Assurance Project Plan: Little Klickitat River Temperature Total Maximum Daily Load | 00-03-090 | December 2000 |
| Quality Assurance Project Plan: Re-evaluation of Copper Impact from Wilkeson WWTP on Wilkeson Creek | 00-03-091 | December 2000 |
| Quality Assurance Project Plan: Metals Monitoring in Quilceda and Allen Creeks, Snohomish County | 00-03-092 | December 2000 |
| Quality Assurance Project Plan: Water Column Concentrations of Metals In South Puget Sound and Grays Harbor | 00-03-093 | December 2000 |
| Quality Assurance Project Plan: Analyzing Carbaryl in Willapa Bay Water | 00-03-094 | December 2000 |
| Quality Assurance Project Plan: Lower Yakima River Water Quality Model and Evaluation of the USBR Columbia River Pump Exchange Project | 00-03-095 | December 2000 |
| Survey of Typical Soils Arsenic Concentrations In Residential Areas of University Place | 00-03-096 | December 2000 |
| Quality Assurance Project Plan: Characterizing Surface Water/Groundwater Interactions in the Muck Creek Watershed Pierce County, Washington | 00-03-097 | December 2000 |
| Quality Assurance Project Plan: South Prairie Creek Total Maximum Daily Load, Phase 1 Assessment | 00-03-081 | August 2000 |
| Quality Assurance Project Plan: Dungeness River/Matriotti Creek Fecal Coliform Bacteria Total Maximum Daily Load Study | 00-03-080 | February 2000 |
| Instream Biological Assessment Monitoring Protocols: Benthic Macroinvertebrates | 94-113 | June 1994 |
