Organophosphate flame retardants and plasticizers in sediment and bivalves along the Korean coast: Occurrence, geographical distribution, and a potential for bioaccumulation
- Authors
- Choi, Woosik; Lee, Sunggyu; Lee, Hyun-Kyung; Moon, Hyo-Bang
- Issue Date
- Jul-2020
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Flame retardant; Plasticizer; TCPP; BSAF; Mussel; Bioaccumulation
- Citation
- MARINE POLLUTION BULLETIN, v.156, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- MARINE POLLUTION BULLETIN
- Volume
- 156
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/1019
- DOI
- 10.1016/j.marpolbul.2020.111275
- ISSN
- 0025-326X
- Abstract
- Environmental contamination by organophosphate flame retardants (OPFRs) and plasticizers are environmental concerns. In this study, 18 OPFRs were analyzed in sediment and bivalves collected from 50 locations along the Korean coast to assess occurrence, geographical distribution, contamination source, and bioaccumulation potential. Tris(1-chloro-2-propanyl) phosphate (TCPP) and tris(2-ethylhexyl) phosphate (TEHP) were highly detected (> 80%) OPFRs in sediment and bivalves. Total concentrations of OPFRs and plasticizers in sediment and bivalves ranged from 2.18 to 347 ng/g dry weight and from 6.12 to 206 ng/g dry weight, respectively, which were within the ranges reported for previous studies. Sedimentary organic carbon was a primary factor governing the OPFR distribution. Concentrations of OPFRs and plasticizers in sediments from harbor zones were significantly higher than non-harbor zones, indicating that shipping activity is a contamination source of OPFRs and plasticizers in coastal environments. Biota-sediment accumulation factors < 1 for several OPFRs indicated limited potential for bioaccumulation.
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