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Environmental Research, Development, and Demonstration Authorization Act of 1993 : hearing before the Subcommittee on Toxic Substances, Research, and Development of the Committee on Environment and Public Works, United States Senate, One Hundred Third Congress, second session, on S. 1545 ... July 21, 1994 — Illustration, BHL page 16637816
Appropriations and expenditures↗
Evaluation guidelines for ecological indicators — Illustration, Page 3
Ecological risk assessment↗
Evaluation guidelines for ecological indicators — Illustration, Page 10
Ecological risk assessment↗
Evaluation guidelines for ecological indicators — Illustration, Page 11
Ecological risk assessment↗
Evaluation guidelines for ecological indicators — Illustration, Page 13
Ecological risk assessment↗
Evaluation guidelines for ecological indicators — Illustration, Page 24
Ecological risk assessment↗
Evaluation guidelines for ecological indicators — Illustration, Page 9
Ecological risk assessment↗