| Title (link to summary) |
Number |
Date (released or updated) |
| Technical Guidance for Assessing the Quality of Aquatic Environments, A Handbook prepared for the Water Quality Financial Assistance Program (revised 1994) | 91-78 | December 1991 |
| Review of Metals, Bioassay, and Macroinvertebrate Data from Lake Roosevelt Benthic Samples Collected in 1989. Memo to Carl Nuechterlein. | 91-e23 | December 1991 |
| Trends in Pend Oreille River Ambient Monitoring Data. Memo to Will Kendra. | 91-e16 | December 1991 |
| Investigation of WQ Problems in the Black River Between the Black River Canoe Club & Mouth of Mima | 91-e41 | December 1991 |
| Inland Empire Paper Company Class II Inspection, September 1990 | 91-e10 | December 1991 |
| Polychlorinated Dioxins and -Furans in Columbia River Sportfish, Chief Joseph Dam to McNary Dam | 91-49 | November 1991 |
| Lake Water Quality Assessment Project, 1989 | 91-60 | November 1991 |
| Little Spokane River Study, Final Report | 91-e15 | November 1991 |
| Kaiser Aluminum and Chemical Corporation-Trentwood, Class II Inspection. Memo to Roger Ray and Patrick Hallinan, November 8, 1991. | 91-e13 | November 1991 |
| Pend Oreille River Primary Productivity and Water Quality of Selected Tributaries | 91-e08 | November 1991 |
| Seneca Foods, Wastewater Treatment Plant Class II Inspection | 91-e21 | November 1991 |
| Assessment of Ground Water and Surface Water Contamination at the Washington State University Chemical Dump Site-Pullman, Washington, March 13-15, 1990 | 91-e38 | November 1991 |
| Lakewood/Plaza Cleaners Long-Term Monitoring Round II | 91-e35 | October 1991 |
| Toppenish Sewage Treatment Plant Class II Inspection, May 29-30, 1990 | 91-e02 | October 1991 |
| Basic Water Monitoring Program Fish Tissue and Sediment Sampling for 1989 | 91-e14 | October 1991 |
| Cascade Pole Company (Tacoma) - Aborted Stormwater Runoff Class II Inspection Attempts; Lessons Learned and Suggested Changes. Memo to Greg Cloud. | 91-e17 | September 1991 |
| Summary of Criteria and Guidelines for Contaminated Freshwater Sediments | 91-e03 | September 1991 |
| Bioaccumulation of Contaminants in Crabs and Clams in Bellingham Bay | 91-e04 | September 1991 |
| Organochlorine analysis of Yakima River samples for State of the Environment Report. Memo to Bob Barwin and Steve Saunders September 27, 1991. | 91-e27 | September 1991 |
| Lakewood/Plaza Cleaners Long-Term Monitoring Round I | 91-e34 | August 1991 |
| James River, Camas Pulp and Paper Mill Class II Inspection, June 4-6, 1990 | 91-e01 | August 1991 |
| Edaleen Dairy Lagoon Ground Water Quality Assessment February 1990 to February 1991 | 91-e11 | August 1991 |
| Guidance for Determination and Allocation of Total Maximum Daily Loads (TMDL) in Washington State | 91-e31 | August 1991 |
| Waste Antifreeze Characterization Study | 91-e46 | August 1991 |
| Appendices for Puget Sound Ambient Monitoring Program: Marine Sediment Monitoring Program 1990 | 92-47a | July 1991 |
| Results of Screen for EPA Xenobiotics in Sediment and Bottom Fish from Lake Roosevelt (Columbia River). Memo to Carl Nuechterlein. | 91-e24 | July 1991 |
| Water Quality Survey of 15 "Volunteer-Monitored" Lakes in Washington State | 91-e06 | July 1991 |
| Metals Concentrations in Lake Roosevelt (Columbia River) Largescale Suckers. Memo to Carl Nuechterlein. | 91-e26 | June 1991 |
| Restover Truck Stop Ground Water Monitoring, Round VI | 91-e37 | June 1991 |
| Spatial Trends in TCDD/TCDF Concentrations in Sediment and Bottom Fish Collected in Lake Roosevelt (Columbia River) | 91-29 | June 1991 |
| Metal and Fecal Coliform Concentrations in the Lower Columbia River. Memo to Steve Saunders. | 91-e25 | May 1991 |
| PCDDs and PCDFs in Columbia River Suspended Particulate Matter. Memo to Bob Barwin and Steve Saunders. | 91-e28 | May 1991 |
| Snoqualmie River NPDES Permitted Dischargers July - September 1989 Inspections | 91-e20 | May 1991 |
| Distribution and Significance of Polycyclic Aromatic Hydrocarbons in Lake Washington Sediments Adjacent to Quendall Terminals/J.H. Baxter Site | 91-e39 | May 1991 |
| Lake Chelan Total Maximum Daily Load for Total Phosphorus | 91-e50 | April 1991 |
| Toftdahl Drum Site Routine Monitoring Round III | 91-e36 | April 1991 |
| Class II Inspection of Weyerhaeuser, Longview Pulp and Paper Mill, April 16-18, 1990 | 91-e00 | April 1991 |
| Longview Fibre Company Class II Inspection | 91-e09 | April 1991 |
| Snoqualmie River Low Flow Water Quality Assessment, July-September 1989. | 91-e30 | April 1991 |
| Second Progress Report on Ecology's Dioxin/Furan Survey in the Middle Columbia River. Memo to Gerry Jewett, Bob Barwin, and Carl Nuechterlein, April 9. | 91-e43 | April 1991 |
| Polychlorinated Dioxins and -Furans in Lake Roosevelt (Columbia River) Sportfish, 1990 | 91-4 | March 1991 |
| Diagnostic Study of Lake Sawyer, King County, Washington | 91-e05 | March 1991 |
| Pend Oreille River Fishery/Rotovation Study | 91-e07 | March 1991 |
| Lake Union Fish Histopathology Study | 91-e33 | March 1991 |
| Bingen-White Salmon Wastewater Treatment Plant Class II Inspection | 91-e12 | February 1991 |
| Restover Truck Stop Ground Water Monitoring, Round V | 91-e45 | February 1991 |
| Sequim WTP Class II Inspection, August 1990 | 91-e48 | February 1991 |
| Appendices A and B for: Diagnostic Study of Lake Sawyer, King County, Washington | 91e05appAB | 1991 |
| Appendices C and D for: Diagnostic Study of Lake Sawyer, King County, Washington | 91e05appCD | 1991 |
| Appendices E, F, and G for: Diagnostic Study of Lake Sawyer, King County, Washington | 91e05appEFG | 1991 |
| Orcas Village STP Class II Inspection, July 1990. Memo to Dave Nunnallee February 6, 1991. | 91-e18 | 1991 |
| Reynolds Metal Company Class II Inspection February 1990 | 91-e19 | 1991 |
| Review of Marysville WWTP Expansion Draft Outfall and Water Quality Analysis. Memo to Mike Dawda, NWRO, January 8, 1991. | 91-e29 | 1991 |
| Quality of Salmonid Hatchery Effluents during a Summer Low-Flow Season. Article in Transactions of the American Fisheries Society 120:43-51, 1991. | 91-e32 | 1991 |
| Chemical Contaminant Levels in Ground Water, Soil and Sediments from the Chicago Milwaukee Real Estate Corporation Waste Disposal Site. Othello, Washington, July 17-18, 1989. | 91-e40 | 1991 |
| First Progress Report on Ecology's Dioxin/Furan Survey in the Middle Columbia River | 91-e42 | 1991 |
| Roslyn Post-Upgrade Wastewater Treatment Plant Limited Class II Inspection and Receiving Water Study on Crystal Creek | 91-e47 | 1991 |
| Portage Creek: Nonpoint Source Pollution Effects on Quality of the Water Resource | 95-300 | 1991 |
