Table 4 - Quantity of B(a)P Atmospheric Loadings to the Great Lakes (kg / year)

(1996 data)

 

Superior

Michigan

Huron

Erie

Ontario

Wet deposition

49

84

-

50

110

Dry deposition

35

41

100

120

60

Net gas exchange

34

-

-

-8

-

Total deposition

120

-

-

160

-

Source: Environment Canada and U.S. Environmental Protection Agency, Atmospheric Deposition of Toxic Substances to the Great Lakes: IADN Results to 1996, 2000