Table 9 - Surface Water Quantities of Level I Pesticides Remaining in the Great Lakes (water column loads - kg)

Pesticide

Superior

Michigan

Huron

Erie

Ontario

Total

Aldrin / dieldrin

1,936

-

368

1,416

443

4,163

DDT (+DDE / DDD)

73

192

30

51

71

417

Toxaphene

13,500

1,870

111

1,664

279

17,476

Chlordane

95

133

13

43

24

308

Mirex

61

25

2

18

4

110

Total Level I Pesticides

15,717

2,220

524

3,192

821

22,474

Source: Battelle Memorial Institute, Great Lakes Binational Toxics Strategy: The Level I Pesticides in the Binational Strategy, Prepared for U.S. Environmental Protection Agency, March 2000.