Certified valuesParameter ValueKf of Atrazine (1) 2.4 1/n of 2,4-D(1).1/n of Atrazine (1) .0.91 pH in Water(2) .6.22Kf of 2,4-D(1) .1.31 pH in 0.01M CaCl (2).5.5Non-certified indicative valuesParameter Value Kf of Lindane (1) . 36 Organic carbon content .