"Acute Toxic Units (TUa)" means the reciprocal of the effluent dilution that causes an acute effect (e.g., LC50) to the test organism by the end of the acute exposure period.
117 Neb. Admin. Code, ch. 1, § 005
"Acute Toxic Units (TUa)" means the reciprocal of the effluent dilution that causes an acute effect (e.g., LC50) to the test organism by the end of the acute exposure period.
117 Neb. Admin. Code, ch. 1, § 005