CATEGORY 2019_ACRES_TREATED 2020_ACRES_TREATED CHANGE_ACRES_TREATED PERCENT_CHANGE_ACRES_TREATED GROUND WATER CONTAMINANTS 441,617 325,043 -116,574 -26.40 CHOLINESTERASE INHIBITORS 2,573,759 2,387,570 -186,189 -7.23 TOXIC AIR CONTAMINANTS 2,153,152 2,198,409 45,258 2.10 FUMIGANTS 235,574 248,432 12,857 5.46 BIOPESTICIDES 9,591,040 9,030,696 -560,344 -5.84 OILS 5,552,376 5,639,693 87,317 1.57 CARCINOGENS 8,714,117 8,477,319 -236,798 -2.72 REPRODUCTIVE TOXINS 4,107,096 3,873,849 -233,247 -5.68