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At least 19 recordsLinked to original sources
PubMed1977

Concentrations of total mercury in several fishes from Delaware Bay, 1975.

Mercury levels in eleven species of fishes collected from lower Delaware Bay in April 1975 ranged from 0.018 to 0.321 microgram/g and averaged 0.092 microgram/g. Raja eglanteria, the clearnose skate, had the highest mean mercury concentration (0.214 microgram/g). No correlation was found with feeding habits. These assays provide baseline data for future measurement of mercury accumulation by fishes in this region.

Animals↗
PubMed1976

Residues of organochlorines and heavy metals in ruddy ducks from the Delaware River, 1973.

In December 1973, eight ruddy ducks killed in an oil spill on the Delaware River were collected to be analyzed for residues of environmental pollutants. Whole carcasses were analyzed for organochlorine pesticides and livers were examined for lead, cadmium, and mercury. Residues of polychlorinated biphenyls and DDT and/or its metabolites were present in all carcasses. Dieldrin and hexachlorobenzene were present in seven of the eight samples. All livers contained detectable levels of lead, cadmium, and mercury.

Age Factors↗