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 |