"Lethal dose fifty (LD50)" means a calculated oral or dermal dose of an air pollutant that is expected to cause the death of 50% of an entire experimental animal population.
N.H. Code Admin. R. Env-A 103.55
"Lethal dose fifty (LD50)" means a calculated oral or dermal dose of an air pollutant that is expected to cause the death of 50% of an entire experimental animal population.
N.H. Code Admin. R. Env-A 103.55