A waste to be called toxic, acute dermal LD50 concentration should be ________ mg/kg.
(a) 2200
(b) 4300
(c) 2400
(d) 2500
This question was addressed to me by my college professor while I was bunking the class.
My query is from Characterization in portion Characterization of Hazardous Waste of Hazardous Waste Management