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Summary: Pathways for the Anaerobic
Microbial Debromination of
Polybrominated Diphenyl Ethers
K R I S T I N R . R O B R O C K ,
P E T E R K O R Y T Á R ,
A N D L I S A A L V A R E Z - C O H E N * , , §
Department of Civil and Environmental Engineering,
University of California, Berkeley, California, Wageningen
IMARES-Institute for Marine Resources and Ecosystem Studies,
IJmuiden, The Netherlands, and Earth Sciences Division,
Lawrence Berkeley National Laboratory, Berkeley, California
Received August 21, 2007. Revised manuscript received
January 14, 2008. Accepted January 23, 2008.
The debromination pathways of seven polybrominated
diphenyl ethers (PBDEs) by three different cultures of anaerobic
dehalogenatingbacteriawereinvestigatedusingcomprehensive
two-dimensional gas chromatography (GC × GC). The
congeners analyzed were the five major components of the
industrially used octa-BDE mixture (octa-BDEs 196, 203, and 197,
hepta-BDE 183, and hexa-BDE 153) as well as the two most
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