Search Results for the EPA National Library Catalog

Items Found: 6
Showing: Items 1 - 6
Your Search: (AUTHOR=Schalie AND W.)

Select Item Title Year Published
Aquatic toxicology and risk assessment. 1990
Draft Proposed Guidelines for Ecological Risk Assessment (External Review Draft) 1995
Framework for Ecological Risk Assessment at the EPA. Annual Review. 1992
Procedures for conducting Daphnia magna toxicity bioassays : user's guide / 1987
Real-Time Monitoring for Toxicity Caused by Harmful Algal Blooms and Other Water Quality Perturbations. 2001
Summary report on issues in ecological risk assessment / 1991

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