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Endangered Species

Biological Evaluation Chapters for Malathion ESA Assessment

EPA has finalized the Biological Evaluation for malathion. The final evaluation is based on interim methods developed in conjunction with Fish and Wildlife Service and National Marine Fisheries Service in response to the National Academy of Science report on assessing risks to threatened and endangered species from pesticides.

Response to Comments on the Draft Biological Evaluations for Chlorpyrifos, Diazinon and Malathion (PDF) (20 pp, 971 K, About PDF)

On this page:

 Malathion Executive Summary for ESA Assessment (5 pp, 29 K)

Chapter 1: Malathion Problem Formulation for ESA Assessment (DOCX)(58 pp, 1.22MB)

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Chapter 2: Malathion Effects Characterization for ESA Assessment (DOCX)(241 pp, 6.37 MB)

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Chapter 3: Malathion Exposure Characterization for ESA Assessment (DOCX) (54 pp, 1.25 Mb)

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Chapter 4: Malathion Effects Determinations for ESA Assessment (DOCX) (48 pp, 193 K)

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