... 590,000 -1 70 38 2 ,77 0 1 07 19.2 0.1 9.5 -3 26 1,159 0.02 270 70 0.01 23.8 0.04 - -0 .02 2,060 1,210 -2 ,74 0 15,500 0.1 0.1 0.03 - 5.3 19.2 0.4 - - -0 .1 5.8 - 1 .7 - - o Analysis ... in the soil (Shaffer and others, 1 979 ; Thomas and Phillips, 1 979 ; Simson and Cunningham, 1982) Studies done in the United States that investigated ground-water contamination by pesticides in ... for drinking water There are several instances, though, where the concentrations in rain have exceeded the MCL values These have occurred for alachlor, atrazine, and 2,4-D Cyanazine, 2,4-D, and...