title: Occurrence and behavior of natural and anthropogenic (emerging and historical) halogenated compounds in marine biota from the Coast of Concepcion (Chile).
abstract: Fifty-five biota samples from the Coast of Concepcion (Chile) were analyzed for PBDEs, emerging brominated FRs, halogenated norbornenes and naturally-occurring MeO-PBDEs. PBDEs, MeO-PBDEs and halogenated norbornenes were detected at concentration levels ranging from 11 to 170, nd to 118 and nd to 5.8 ng/g lw, respectively. However, emerging brominated FRs such as decabromodiphenylethane (DBDPE), hexabromobenzene (HBB) and pentabromoethylbenzene (PBEB) were not detected in any sample. Bioaccumulation and bioconcentration processes were evaluated for the different families of compounds. Biomagnification factors (BMFs) were calculated, and some PBDE congeners (BDE-28, BDE-183 and BDE-209) as well as MeO-PBDEs presented BMF>1, being values of the naturally occurring MeO-PBDEs higher than those obtained for PBDEs. As regards halogenated norbornenes, BMF<1 were found.
authors.affiliation: Water and Soil Quality Research Group, Dep. Of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain.
authors.forename: Enrique
authors.initials: E
authors.lastname: Barón
authors.forename: Ignacio
authors.initials: I
authors.lastname: Rudolph
authors.forename: Gustavo
authors.initials: G
authors.lastname: Chiang
authors.forename: Ricardo
authors.initials: R
authors.lastname: Barra
authors.forename: Ethel
authors.initials: E
authors.lastname: Eljarrat
authors.forename: Damià
authors.initials: D
authors.lastname: Barceló
mesh_terms: D000818:Animals; D002677:Chile; D002849:Chromatography, Gas; D004784:Environmental Monitoring / Q000379:methods / Q000706:statistics & numerical data*; D004785:Environmental Pollutants / Q000032:analysis / Q000493:pharmacokinetics*; D005399:Fishes / Q000378:metabolism*; D005411:Flame Retardants / Q000032:analysis / Q000493:pharmacokinetics*; D020387:Food Chain; D055768:Halogenated Diphenyl Ethers / Q000032:analysis / Q000493:pharmacokinetics; D006846:Hydrocarbons, Halogenated / Q000032:analysis / Q000493:pharmacokinetics*; D007448:Invertebrates / Q000378:metabolism*; D008386:Marine Biology
chemical_list: D004785:Environmental Pollutants; D005411:Flame Retardants; D055768:Halogenated Diphenyl Ethers; D006846:Hydrocarbons, Halogenated
keywords: Bioaccumulation; Biomagnification; Halogenated norbornenes; Marine food web; Methoxylated PBDEs; Polybrominated diphenyl ethers (PBDEs)