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Tetra Tech. September 16, 1994. Assessing human health risks from chemically contaminated fish in the lower Columbia River. Sampling and quality assurance/quality control plan. Prepared for Lower Columbia River Bi-State Committee. Tetra Tech, Inc., Redmond, WA. 41 pp. + appendix. (TC 9968-02).

Tetra Tech. August 7, 1995. Assessing human health risks from chemically contaminated fish in the lower Columbia River. Data report. Prepared for Lower Columbia River Bi-State Program. Tetra Tech, Inc., Redmond, WA. 25 pp. + appendices. (TC 9968-04).

Tetra Tech. February 10, 1993. Data management needs assessment. Prepared for Lower Columbia River Bi-State Program. Tetra Tech, Inc., Redmond, WA. 25 pp. + appendix. (TC 9161-02).

Tetra Tech. May 1, 1996. Assessing human health risks from chemically contaminated fish in the lower Columbia River. Risk assessment. Prepared for Lower Columbia River Bi-State Program. Tetra Tech, Inc., Redmond, WA. 138 pp. + appendices. (TC 9968-05).

Tetra Tech. May 28, 1993. Data management. Data management systems evaluation and recommendations. Prepared for Lower Columbia River Bi-State Program. Tetra Tech, Inc., Redmond, WA. 61 pp. + appendix. (TC 9161-03).

Tetra Tech. December 30, 1993. Data management Data management systems demonstration report. Prepared for Lower Columbia River Bi-State Program. Tetra Tech, Inc., Redmond, WA. 32 pp. (TC 9161-04).

Health Analysis of Chemical Contaminants in Lower Columbia River Fish May, 1996 Washington Dept. of Health, Office of Toxic Substances Oregon Health Division, Environmental Services and Consultation.

Tetra Tech June 28, 1996 Overview and Synthesis of Fish and Wildlife Studies in the Lower Columbia River. 56pp. + appendixes. (TC 0941-01).

Identification of Sources of Pollutants to the Lower Columbia River Roseta, T, D Borys June 1996, 60 pp. + tables, figures, appendixes

Tetra Tech May 20, 1996 The Health of the River 1990-1996 Integrated Technical Report Lower Columbia River Bi-State Water Quality Program Bacteria Studies Sept-Oct 1992, Nov-Dec 1992 Washington Department of Ecology.