' 0
~
'."
40' 10'N
74'00W
7J"30'W
734S Il
74'OO'W
b
a
Fig. 35.
For a century, large amounts of waste material have been dumped in New York Bay; in recent years, over 10 million t per annum: dredged sediment, construction refuse, sewage sludge, and waste matter from chemical plants. The heavy metal concentrations in the sediment in the dumping area are
correspondingly high
and enable us to determine the direction of the predominating water current. a lead; b copper; c zinc; d chromium. Figures in mg/kg
of dry sediment (Carmody et al. 1973)
~
'."
40' 10'N
74'00W
7J"30'W
734S Il
74'OO'W
b
a
Fig. 35.
For a century, large amounts of waste material have been dumped in New York Bay; in recent years, over 10 million t per annum: dredged sediment, construction refuse, sewage sludge, and waste matter from chemical plants. The heavy metal concentrations in the sediment in the dumping area are
correspondingly high
and enable us to determine the direction of the predominating water current. a lead; b copper; c zinc; d chromium. Figures in mg/kg
of dry sediment (Carmody et al. 1973)