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Polybrominated diphenyl ethers: Residence time in soils receiving biosolids application.

Environmental pollution (Barking, Essex : 1987) (2017-01-21)
Natasha A Andrade, Laura L McConnell, Marya O Anderson, Alba Torrents, Mark Ramirez
ABSTRACT

Polybrominated diphenyl ethers (PBDEs) may enter the environment because of accumulation in biosolids followed by application to agricultural lands. No published dissipation studies are available for PBDEs in agricultural soils after biosolids application. Therefore, we conducted a 3-year study to examine the fate of PBDEs in a small-scale 0.24-ha continuously cropped field after a single biosolids application at 72.3 wet tons/ha and determined dissipation half-lives for BDE-47+BDE-99 and BDE-209. In addition, we conducted a large-scale survey of soils from 26 mostly pasture fields at 10 farms with detailed information on timing and rate of biosolids applications. In the small-scale experiment, maximum soil PBDE concentrations of 43.7 ± 42.7 μg kg

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Dibutyl ether, ReagentPlus®, ≥99%

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