Bi-State Program, Section 2.3 Backwater Reconnaissance Survey. Sampling & QA/QC control plan

Tetra Tech. June 22, 1993. Lower Columbia River backwater reconnaissance survey. Sampling and quality assurance/quality control (QA/QC) plan. Prepared for Lower Columbia River Bi-State Committee. Tetra Tech, Inc., Redmond, WA. 69 pp. (TC 9497-01).

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Tetra-Tech Inc.