A truck containing $1\mathrm{.}2$ ton of liquid diethyl phthalate crashes a tree near a pond and all the

contents of the truck are dumped into the pond near its shore. Calculate the corresponding

concentrations in the pond water $($Cw$)(2875m^3),$ in the soil $($Cs$)(287m^3)$ and in the air $($Ca$)$

Kaw $=2\mathrm{.}5{10}^{-5},$ Kow $\{$:$=265,47)(30$ points$)$