Comparison to Historical Data 601410080600000 Historic Whole Water Average 口100 L Average DDD(p.p) DDE(p.p) Chlordane,gamma Chlorpyrifos Dieldrin Diazinon Endosulfan Comparison to Historical Data 0 20 40 60 80 100 120 140 160 180 200 DDD(p,p ') DDE(p,p ') Chlordane, gamma-Dieldrin Chlorpyrifos Diazinon Endosulfan I Historic Whole Water Average 100L Average