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Environ Toxicol Pharmacol. 2008 Mar;25(2):156-63. doi: 10.1016/j.etap.2007.10.011. Epub 2007 Oct 13.

PCB, PCDD and PCDF congener profiles in two types of Aroclor 1254.

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1
University of Utah, Energy & Geosciences Institute, 423 Wakara Way, Suite 300, Salt Lake City, UT 84108, USA.

Abstract

Monsanto produced two distinct variants of Aroclor 1254. The late-production variant resulted from a change in Monsanto's manufacturing process in the early 1970s. Previous literature had reported that the late-production variant was produced from 1974 to 1976, but subsequent work has identified a sample known to be obtained in 1972. In this paper, we present congener-specific PCB and PCDD/F data for this 1972 late-production sample, and a brief historical record of late-production Aroclor 1254.

PMID:
21783852
DOI:
10.1016/j.etap.2007.10.011

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