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29 March 2024
 
  » pubmed » pmid4208433

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Deposition of DDE and polychlorinated biphenyls in dated sediments of the Santa Barbara basin
W Hom ; R W Risebrough ; A Soutar ;
Date 14 Jun 1974
Journal Science, 184 (142), 1197-9
AbstractAnalysis of dated oceanic sediments from the Santa Barbara Basin of the Southern California Bight has shown that deposition of polychlorinated biphenyls (PCB) began about 1945 and that DDE [1,1-dichloro-2-2-bis(p-chloro-phenyl)ethylene] first appeared in sediments deposited about 1952. Concentrations of both show a progressive increase through 1967; estimated deposition rates (in grams per square meter per year) in 1967 of DDE and PCB were 1.9 x 10(-4) and 1.2 x 10(-4), respectively.
Source PubMed, pmid4208433
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