title: Levels, profile and distribution of Dechloran Plus (DP) and Polybrominated Diphenyl Ethers (PBDEs) in the environment of Pakistan.
abstract: No scientific data is available on emerging contaminants including Polybrominated Diphenyl Ethers (PBDEs) and Dechloran Plus (DP) levels in the environment in Pakistan. Levels of PBDEs and DP were determined in the soil, sediment and atmospheric samples along the stretch of River Ravi in Punjab Province. Average concentrations of ΣPBDEs in atmosphere, soils and sediments were 36 pg m(-3), 40 ng g(-1) and 640 ng g(-1). BDE-209 was the most abundant PBDE congener, showing that deca-BDE accounts for most of the total PBDE emitted in the environment of Pakistan. Total DP levels were calculated as 88 pg m(-3), 0.8 ng g(-1) and 1.9 ng g(-1) in air, soil and sediment samples, respectively. The lower average fractions of anti-DP showed significant differences to those of the technical mixtures, indicating the lack of DP production source in Pakistan.
authors.affiliation: Environmental Biology Laboratory, Department of Plant Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan.
authors.forename: Jabir Hussain
authors.initials: JH
authors.lastname: Syed
authors.forename: Riffat Naseem
authors.initials: RN
authors.lastname: Malik
authors.forename: Jun
authors.initials: J
authors.lastname: Li
authors.forename: Yan
authors.initials: Y
authors.lastname: Wang
authors.forename: Yue
authors.initials: Y
authors.lastname: Xu
authors.forename: Gan
authors.initials: G
authors.lastname: Zhang
authors.forename: Kevin C
authors.initials: KC
authors.lastname: Jones
mesh_terms: D001272:Atmosphere / Q000737:chemistry; D004784:Environmental Monitoring; D004785:Environmental Pollutants / Q000032:analysis*; D019015:Geologic Sediments / Q000737:chemistry; D055768:Halogenated Diphenyl Ethers / Q000032:analysis*; D006843:Hydrocarbons, Chlorinated / Q000032:analysis*; D010154:Pakistan; D011083:Polycyclic Compounds / Q000032:analysis*; D012987:Soil / Q000737:chemistry
chemical_list: D004785:Environmental Pollutants; D055768:Halogenated Diphenyl Ethers; D006843:Hydrocarbons, Chlorinated; D011083:Polycyclic Compounds; D012987:Soil; C526360:dechlorane plus
keywords: Air; Dechlorane Plus; Pakistan; Polybrominated diphenyl ethers; Sediment; Soil