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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I—Environmental Protection Agency |
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SubChapter D—Water Programs |
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Part 118 - Clean Water Act Hazardous Substances Facility Response Plans |
Appendix B to Part 118 - —Toxicity Endpoints for Calculating Planning Distance for Fish, Wildlife and Sensitive Environments and Public Receptors
Latest version.
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Appendix B to Part 118—Toxicity Endpoints for Calculating Planning Distance for Fish, Wildlife and Sensitive Environments and Public Receptors
Category RQ
(lbs.)Endpoints for public receptors
LD50Endpoints for fish, wildlife and sensitive environments using 96-hour LC50 Mammalian toxicity
(oral)
(mg/kg)10%
(mg/kg)Aquatic toxicity
(mg/liter)10%
(mg/L)Lower Upper Lower Upper X 1 0 0.1 0.01 0 0.1 0.01 A 10 0.1 1 0.1 0.1 1 0.1 B 100 1 10 1 1 10 1 C 1,000 10 100 10 10 100 10 D 5,000 100 500 50 100 500 50