{"id":31715,"date":"2014-04-26T21:45:19","date_gmt":"2014-04-26T19:45:19","guid":{"rendered":"https:\/\/oneearth-oneocean.com\/2014\/04\/26\/polystyrene-plastic-a-source-and-sink-for-polycyclic-aromatic-hydrocarbons-in-the-marine-environment\/"},"modified":"2014-04-26T21:45:19","modified_gmt":"2014-04-26T19:45:19","slug":"polystyrene-plastic-a-source-and-sink-for-polycyclic-aromatic-hydrocarbons-in-the-marine-environment","status":"publish","type":"post","link":"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/polystyrene-plastic-a-source-and-sink-for-polycyclic-aromatic-hydrocarbons-in-the-marine-environment\/","title":{"rendered":"Polystyrene Plastic: A Source and Sink for Polycyclic Aromatic Hydrocarbons in the Marine Environment"},"content":{"rendered":"
http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/es403605f<\/a>\n\nChelsea M. Rochman, Carlos Manzano, Brian T. Hentschel, Staci L. Massey\nSimonich, and Eunha Hoh\nPolystyrene Plastic: A Source and Sink for Polycyclic Aromatic\nHydrocarbons in the Marine Environment\nEnviron. Sci. Technol., 2013, 47 (24), pp 13976?13984\nDOI: 10.1021\/es403605f\n\nAbstract\nPolycyclic aromatic hydrocarbons (PAHs) on virgin polystyrene (PS) and\nPS marine debris led us to examine PS as a source and sink for PAHs in\nthe marine environment. At two locations in San Diego Bay, we measured\nsorption of PAHs to PS pellets, sampling at 0, 1, 3, 6, 9, and 12\nmonths. We detected 25 PAHs using a new analytical method with\ncomprehensive two-dimensional gas chromatography coupled to\ntime-of-flight mass spectrometry. Several congeners were detected on\nsamples before deployment. After deployment, some concentrations\ndecreased (1,3-dimethylnaphthalene and 2,6-methylnaphthalene), while\nmost increased [2-methylanthracene and all parent PAHs (PPAHs), except\nfluorene and fluoranthene], suggesting that PS debris is a source and\nsink for PAHs. When sorbed concentrations of PPAHs on PS are compared to\nthe five most common polymers [polyethylene terephthalate (PET),\nhigh-density polyethylene (HDPE), polyvinyl chloride (PVC), low-density\npolyethylene (LDPE), and polypropylene (PP)], PS sorbed greater\nconcentrations than PP, PET, and PVC, similar to HDPE and LDPE. Most\nstrikingly, at 0 months, PPAHs on PS ranged from 8 to 200 times greater\nthan on PET, HDPE, PVC, LDPE, and PP. The combination of greater PAHs in\nvirgin pellets and large sorption suggests that PS may pose a greater\nrisk of exposure to PAHs upon ingestion.<\/pre>\n","protected":false},"excerpt":{"rendered":"
http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/es403605f Chelsea M. Rochman, Carlos Manzano, Brian T. Hentschel, Staci L. Massey Simonich, and Eunha Hoh Polystyrene Plastic: A Source and Sink for Polycyclic Aromatic Hydrocarbons in the Marine Environment Environ. Sci. Technol., 2013, 47 (24), pp 13976?13984 DOI: 10.1021\/es403605f Abstract Polycyclic aromatic hydrocarbons (PAHs) on virgin polystyrene (PS) and PS marine debris led us to examine PS as a source and sink for PAHs in the marine environment. At two locations in San Diego Bay, we measured sorption of PAHs to PS pellets, sampling at 0, 1, 3, 6, 9, and 12 months. We detected 25 PAHs using a new analytical method with comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry. Several congeners were detected on samples before deployment. After deployment, some concentrations decreased (1,3-dimethylnaphthalene and 2,6-methylnaphthalene), while most increased [2-methylanthracene and all parent PAHs (PPAHs), except fluorene and fluoranthene], suggesting that PS debris is a source and sink for PAHs. When sorbed concentrations of PPAHs on PS are compared to the five most common polymers [polyethylene terephthalate (PET), high-density polyethylene (HDPE), polyvinyl chloride (PVC), low-density polyethylene (LDPE), and polypropylene (PP)], PS sorbed greater concentrations than PP, PET, and PVC, similar to HDPE and LDPE. Most strikingly, at 0 months, PPAHs on PS ranged from 8 to 200 times greater than on PET, HDPE, PVC, LDPE, and PP. The combination of greater PAHs in virgin pellets and large sorption suggests that PS may pose a greater risk of exposure to PAHs upon ingestion.<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3649,3423],"tags":[1309,3534,1545,2290,3535,3579],"yoast_head":"\nPolystyrene Plastic: A Source and Sink for Polycyclic Aromatic Hydrocarbons in the Marine Environment - One Earth - One Ocean e. V.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/polystyrene-plastic-a-source-and-sink-for-polycyclic-aromatic-hydrocarbons-in-the-marine-environment\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polystyrene Plastic: A Source and Sink for Polycyclic Aromatic Hydrocarbons in the Marine Environment - One Earth - One Ocean e. V.\" \/>\n<meta property=\"og:description\" content=\"http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/es403605f Chelsea M. Rochman, Carlos Manzano, Brian T. Hentschel, Staci L. Massey Simonich, and Eunha Hoh Polystyrene Plastic: A Source and Sink for Polycyclic Aromatic Hydrocarbons in the Marine Environment Environ. Sci. Technol., 2013, 47 (24), pp 13976?13984 DOI: 10.1021\/es403605f Abstract Polycyclic aromatic hydrocarbons (PAHs) on virgin polystyrene (PS) and PS marine debris led us to examine PS as a source and sink for PAHs in the marine environment. At two locations in San Diego Bay, we measured sorption of PAHs to PS pellets, sampling at 0, 1, 3, 6, 9, and 12 months. We detected 25 PAHs using a new analytical method with comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry. Several congeners were detected on samples before deployment. After deployment, some concentrations decreased (1,3-dimethylnaphthalene and 2,6-methylnaphthalene), while most increased [2-methylanthracene and all parent PAHs (PPAHs), except fluorene and fluoranthene], suggesting that PS debris is a source and sink for PAHs. When sorbed concentrations of PPAHs on PS are compared to the five most common polymers [polyethylene terephthalate (PET), high-density polyethylene (HDPE), polyvinyl chloride (PVC), low-density polyethylene (LDPE), and polypropylene (PP)], PS sorbed greater concentrations than PP, PET, and PVC, similar to HDPE and LDPE. Most strikingly, at 0 months, PPAHs on PS ranged from 8 to 200 times greater than on PET, HDPE, PVC, LDPE, and PP. The combination of greater PAHs in virgin pellets and large sorption suggests that PS may pose a greater risk of exposure to PAHs upon ingestion.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/polystyrene-plastic-a-source-and-sink-for-polycyclic-aromatic-hydrocarbons-in-the-marine-environment\/\" \/>\n<meta property=\"og:site_name\" content=\"One Earth - One Ocean e. 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