40 CFR 152.161 - Definitions.
In addition to the definitions in § 152.3, the following terms are defined for the purposes of this subpart:
(a) Dietary LC 50 means a statistically derived estimate of the concentration of a test substance in the diet that would cause 50 percent mortality to the test population under specified conditions.
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.