The organophosphate Azinphos-methyl has a 96-hour LC50 value of 3 ppb for rainbow trout. In an unfortunate incident, 200 g of this pesticide was sprayed on a field, and a subsequent heavy rainfall washed 35% of it into a nearby lake having a surface area of 30,000 m2 and an average depth of 0.5 m. Would the pesticide concentration in the lake water have been sufficient to kill a significant fraction of the rainbow trout in the lake?
The organophosphate Azinphos-methyl has a 96-hour LC50 value of 3 ppb for rainbow trout. In an unfortunate incident, 200 g of this pesticide was sprayed on a field, and a subsequent heavy rainfall washed 35% of it into a nearby lake having a surface area of 30,000 m2 and an average depth of 0.5 m. Would the pesticide concentration in the lake water have been sufficient to kill a significant fraction of the rainbow trout in the lake?
Chapter12: Water Requirements For Aquaculture
Section: Chapter Questions
Problem 24SA
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The organophosphate Azinphos-methyl has a
96-hour LC50 value of 3 ppb for rainbow trout. In
an unfortunate incident, 200 g of this pesticide
was sprayed on a field, and a subsequent heavy
rainfall washed 35% of it into a nearby lake
having a surface area of 30,000 m2
and an
average depth of 0.5 m. Would the pesticide
concentration in the lake water have been
sufficient to kill a significant fraction of the
rainbow trout in the lake?
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