40 C.F.R. § 118 app B to Part 118

Current through October 31, 2024

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

40 C.F.R. 118 app B to Part 118

89 FR 21955 , 5/28/2024