Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 625, Issue -, Pages 1056-1064Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2018.01.013
Keywords
Multi-waste recycling; OPFRs; Soil; Outdoor settled dust; Spatial distribution; Human exposure
Categories
Funding
- 973 program [2014CB441104]
- National Natural Science Foundation of China [41573097, 41603101]
- Tianjin Agricultural Affair Committee [201604010]
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Distribution of 12 organophosphate flame retardants (OPFRs) was determined in soil and outdoor settled dust samples collected from a multi-waste (electronic, plastic, and rubber wastes and abandoned household appliances and vehicles) recycling area, that encompassed different modes of operation i.e. open (ORS) and semi-closed recycling (SCRS). Among the twelve OPFRs analyzed, eleven were detected at a frequency of 75%-100% in all soil and dust samples. In soil samples, Sigma OPFR concentrations were significantly higher at ORS (122-2100 ng/g) than at SCRS (58.5-316 ng/g) and nearby farmlands (37.7-156 ng/g). The Sigma OPFR concentrations in dust samples were higher than those in soil samples with spatial distribution similar to that observed for soil, decreasing from ORS (1390-42,700 ng/g) to SCRS (914-7940 ng/g).Tris(2-chloroisopropyl) phosphate (TCIPP) was the major OPFRs in both soil (
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