Plastic resin pellets as a transport medium for toxic chemicals in the marine environment

被引:1290
作者
Mato, Y
Isobe, T
Takada, H [1 ]
Kanehiro, H
Ohtake, C
Kaminuma, T
机构
[1] Tokyo Univ Agr & Technol, Fac Agr, Fuchu, Tokyo 1838509, Japan
[2] Tokyo Univ Fisheries, Minato Ku, Tokyo 1088477, Japan
[3] Natl Inst Hlth Sci, Dept Chem Bio Informat, Setagaya Ku, Tokyo 1588501, Japan
关键词
D O I
10.1021/es0010498
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Plastic resin pellets (small granules 0.1-0.5 centimeters in diameter) are widely distributed in the ocean all over the world. They are an industrial raw material for the plastic industry and are unintentionally released to the environment both during manufacturing and transport. They are sometimes ingested by seabirds and other marine organisms, and their adverse effects on organisms are a concern. In the present study, PCBs, DDE, and nonylphenols (NP) were detected in polypropylene (PP) resin pellets collected from four Japanese coasts. Concentrations of PCBs (4-117 ng/g), DDE (0.16-3.1 ng/g), and NP (0.13-16 mug/g) varied among the sampling sites. These concentrations were comparable to those for suspended particles and bottom sediments collected from the same area as the pellets. Field adsorption experiments using PP virgin pellets demonstrated significant and steady increase in PCBs and DDE concentrations throughout the six-day experiment, indicating that the source of PCBs and DDE is ambient seawater and that adsorption to pellet surfaces is the mechanism of enrichment. The major source of NP in the marine PP resin pellets was thought to be plastic additives and/or their degradation products. Comparison of PCBs and DDE concentrations in marine PP resin pellets with those in seawater suggests their high degree of accumulation (apparent adsorption coefficient: 10(5)-10(6)). The high accumulation potential suggests that plastic resin pellets serve as both a transport medium and a potential source of toxic chemicals in the marine environment.
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页码:318 / 324
页数:7
相关论文
共 45 条
[1]  
Abd-Allah AMA, 1999, J AOAC INT, V82, P391
[2]   PARTITIONING OF ALKYLPHENOLS AND ALKYLPHENOL POLYETHOXYLATES BETWEEN WATER AND ORGANIC-SOLVENTS [J].
AHEL, M ;
GIGER, W .
CHEMOSPHERE, 1993, 26 (08) :1471-1478
[3]   PERSISTENT ORGANIC-CHEMICALS IN SEWAGE EFFLUENTS .3. DETERMINATIONS OF NONYLPHENOXY CARBOXYLIC-ACIDS BY HIGH-RESOLUTION GAS-CHROMATOGRAPHY MASS-SPECTROMETRY AND HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY [J].
AHEL, M ;
CONRAD, T ;
GIGER, W .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1987, 21 (07) :697-703
[4]  
[Anonymous], CHEM ENG
[5]  
Aumand H.J., 1997, ALBATROSS BIOL CONSE, P239
[6]   PLASTIC PELLETS COLLECTED BY A PRION ON GOUGH ISLAND, CENTRAL SOUTH-ATLANTIC OCEAN [J].
BOURNE, WRP ;
IMBER, MJ .
MARINE POLLUTION BULLETIN, 1982, 13 (01) :20-21
[7]   POLYSTYRENE SPHERULES IN COASTAL WATERS [J].
CARPENTE.EJ ;
ANDERSON, SJ ;
MIKLAS, HP ;
PECK, BB ;
HARVEY, GR .
SCIENCE, 1972, 178 (4062) :749-&
[8]   PLASTICS ON SARGASSO SEA-SURFACE [J].
CARPENTER, EJ ;
SMITH, KL .
SCIENCE, 1972, 175 (4027) :1240-+
[9]  
*CHEM DAIL CO LTD, 1999, 13599 CHEM IND MAT
[10]  
Day R.H., 1990, P 2 INT C MAR DEBR 2, P247