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Contamination of soil and vegetation near a zinc smelter by zinc, cadmium, copper, and lead

Journal Article · · Environ. Sci. Technol.; (United States)
DOI:https://doi.org/10.1021/es60074a004· OSTI ID:6355692
Metal oxide fumes escaping from two zinc smelters in Palmerton, Pa., have highly contaminated soil and vegetation with zinc, cadmium, copper, and lead. Within 1 km of the smelters, 135,000 parts per million (ppm) zinc, 1750 ppm cadmium, 2000 ppm copper, and 2000 ppm lead have been measured in the O/sub 2/ horizon. Approximately 90% of metals deposited on the soil surface have been retained in the top 15 cm of the soil profile. Depauperate trees within 2 km of the smelters contained up to 4500 ppm zinc and 70 ppm cadmium by weight in washed, oven-dried foliage. Metal aerosols may enter the leaves directly, presumably through open stomates.
Research Organization:
Rutgers State Univ., New Brunswick, NJ
OSTI ID:
6355692
Journal Information:
Environ. Sci. Technol.; (United States), Journal Name: Environ. Sci. Technol.; (United States) Vol. 7:2; ISSN ESTHA
Country of Publication:
United States
Language:
English