Zone B of affected Seveso area had a TCDD soil concentration of between _______ and _______ micrograms per square meter.
(a) 5, 50
(b) 10, 20
(c) 20, 30
(d) 40, 50
This question was addressed to me in quiz.
My question is taken from Landmark Episode topic in chapter Landmark Episode of Hazardous Waste Management