Certified valuesParameter Value ValueKf of Atrazine (1). 2.7 Kf of Lindane (1). 481/n of Atrazine (1) . 0.93 1/n of Lindane (1) . 0.98Kf of 2,4-D(1) .0.99 pH in Water(2) .8.11/n of 2,4-D(1) . 0.96 pH in 0.01M CaCl2 (2) .7.5Non-certified indicative valuesP