Publication details
Alternative Flame Retardant, 2,4,6-Tris(2,4,6-tribromophenoxy)-1,3,5-triazine, in an E-waste Recycling Facility and House Dust in North America
| Authors | |
|---|---|
| Year of publication | 2018 |
| Type | Article in Periodical |
| Magazine / Source | ENVIRONMENTAL SCIENCE & TECHNOLOGY |
| MU Faculty or unit | |
| Citation | |
| web | https://pubs.acs.org/doi/10.1021/acs.est.7b06139 |
| Doi | http://dx.doi.org/10.1021/acs.est.7b06139 |
| Keywords | PHYSICAL-CHEMICAL PROPERTIES; GREAT-LAKES ATMOSPHERE; TRIS(2-3-DIBROMOPROPYL) ISOCYANURATE; ORGANOPHOSPHATE ESTERS; INDOOR ENVIRONMENT; IDENTIFICATION; TRENDS; HEXABROMOCYCLODODECANES; REPLACEMENTS; SEDIMENT |
| Description | A high molecular weight compound, 2,4,6-tris(2,4,6-tribromo phenoxy)-1,3,5-triazine (TTBP-TAZ), was detected during the analysis of brominated flame retardants in dust samples collected from an electrical and electronic waste (e-waste) recycling facility in Ontario, Canada. Gas chromatography coupled with both high-resolution and low-resolution mass spectrometry (MS) was used to determine TTBP-TAZ's chemical structure and concentrations. To date, TTBP-TAZ has only been detected in plastic casings of electrical and electronic equipment and house dust from The Netherlands. Here we report on the concentrations of TTBP-TAZ in selected samples from North America: e-waste dust (n = 7) and air (n = 4), residential dust (n = 30), and selected outdoor air (n = 146), precipitation (n = 19), sediment (n = 11) and water (n = 2) samples from the Great Lakes environment. TTBP-TAZ was detected in all the e-waste dust and air samples, and in 70% of residential dust samples. The median concentrations of TTBP-TAZ in these three types of samples were 5540 ng/g, 5.75 ng/m(3) and 6.76 ng/g, respectively. The flame retardants 2,4,6-tribromophenol, tris(2,3-dibromopropyl) isocyanurate, and 3,3',5,5'-tetrabromobisphenol A bis(2,3-dibromopropyl) ether, BDE-47 and BDE-209 were also measured for comparison. None of these other flame retardants concentrations was significantly correlated with those of TTBP-TAZ in any of the sample types suggesting different sources. TTBP-TAZ was not detected in any of the outdoor environmental samples, which may relate to its application history and physicochemical properties. This is the first report of TTBP-TAZ in North America. |
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