40 CFR Appendix B to Part 118 - Toxicity Endpoints for Calculating Planning Distance for Fish, Wildlife and Sensitive Environments and Public Receptors
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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
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 |