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Emerging Flame Retardants, PBDEs, and HBCDDs in Indoor and Outdoor Media in Stockholm, Sweden

Newton, Seth, 1982- (author)
Stockholms universitet,Institutionen för miljövetenskap och analytisk kemi,MIX
Sellström, Ulla (author)
Stockholms universitet,Institutionen för miljövetenskap och analytisk kemi
de Wit, Cynthia A. (author)
Stockholms universitet,Institutionen för miljövetenskap och analytisk kemi
 (creator_code:org_t)
2015-02-20
2015
English.
In: Environmental Science and Technology. - : American Chemical Society (ACS). - 0013-936X .- 1520-5851. ; 49:5, s. 2912-2920
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Dust, indoor air, outgoing air from ventilation systems, outdoor air, and soil were sampled in and around Stockholm, Sweden during the winter and spring 2012. The concentrations of several emerging flame retardants (EFRs), polybrominated diphenyl ethers (PBDEs), and isomers of hexabromocyclododecane (HBCDD) were measured. The most commonly found EFR was 1,2-dibromo-4-(1,2 dibromoethyl)cyclohexane (TBECH or DBE-DBCH), which was found in nearly all indoor, ventilation, and outdoor air samples, most dust samples, but not in soil samples. Other frequently detected EFRs included pentabromotoluene (PBT), hexabromobenzene (HBB), 2,3,4,5-tetrabromo-ethylhexylbenzoate (EHTBB), 2,3,4,5-tetrabromo-bis(2-ethylhexyl) phthalate (BEH-TEBP), and decabromodiphenyl ethane (DBDPE). PBDE concentrations were significantly lower in air and dust samples compared to a previous study in Stockholm. In outdoor air, DBE-DBCH, PBT, EHTBB, DBDPE, and PBDEsshowed an “urban pulse” with concentrations increasing as samples were taken in more urban areas compared to rural areas. These EFRs show similar environmental behavior asPBDEs. Higher brominated BDEs showed this same urban pulse in soil but lower brominated BDEs did not. Air–soil fugacity fractions were calculated, and these indicated that most compounds are undergoing net deposition from atmosphere to soil, with the higher brominated PBDEs furthest from equilibrium.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)

Keyword

flame retardants
emerging
polybrominated diphenyl ethers
PBDE
HBCD
dust
indoor air
outdoor air
soil
ventilation
Applied Environmental Science
tillämpad miljövetenskap

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ref (subject category)
art (subject category)

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