TABLE 3 
ANNUAL 
_ SOURCE _ LOADING 
NATIONAL WEATHERING 650 
MUNICIPAL WASTEWATER 2,000 
POWER PLANT COOLING WATER DISCHARGE 1,150 
ANTI-FOULING PAINTS 1,700 
LOADINGS OF COPPER TO THE PATUXENT RIVER ESTUARY (IN 
KG/YEAR). 
53 
