Appendix B - 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
LD50 | Endpoints 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 |
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