Explain the importance of K d and K oc in assessing the potential pollution of drainage water. Which of these expressions is likely to be most consistently characteristic of the organic compounds in...

Explain the importance of K_d
and K_oc
in assessing the potential pollution of drainage water. Which of these expressions is likely to be most consistently characteristic of the organic compounds in question regardless of the type of soil involved? Explain.

Explain why there is environmental concern about the adsorption by soil colloids of such normally beneficial substances as antibiotic drugs and natural insecticides.