AI Article Synopsis
- The particulate polybrominated dibenzo-p-dioxins/furans (PBDD/Fs) levels in Guangzhou ranged from 225 to 2244 fg/m(3), with higher levels found in industrial areas compared to suburban and urban areas.
- The most common types of PBDD/Fs detected were 2,3,7,8-TBDF, 1,2,3,7,8-PeBDF, and 2,3,4,7,8-PeBDF.
- The mean toxicity equivalency quantities (TEQs) were significantly elevated in Guangzhou (89.3-456 fg I-TEQ/m(3)), indicating that residents are likely exposed to higher risk
Article Abstract
The mean particulate polybrominated dibenzo-p-dioxins/furans (PBDD/Fs) levels for Guangzhou were in the range of 225-2244 fg/m(3) and showed the spatial trend of background < suburb areas < urban area < industrial area, suggesting the industrial and urban sources of PBDD/Fs. The most abundant congeners were 2,3,7,8-TBDF, 1,2,3,7,8-PeBDF and 2,3,4,7,8-PeBDF. The mean toxicity equivalency quantities (TEQs) of PBDD/Fs were in the range of 89.3-456 fg I-TEQ/m(3) for Guangzhou, which were several times higher than that of the background area (49.1 fg I-TEQ/m(3)). The rough inhalation risk evaluation showed that the residents in Guangzhou were in relatively higher exposure levels of PBDD/Fs.
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| http://dx.doi.org/10.1007/s00128-011-0319-7 | DOI Listing |
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