Transport of ammonium perfluorooctanoate in environmental media near a fluoropolymer manufacturing facility |
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Authors: | Davis Katherine L Aucoin Michael D Larsen Barbara S Kaiser Mary A Hartten Andrew S |
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Institution: | URS Diamond, Barley Mill Plaza, Building 19, Wilmington, DE 19805, USA. katherine_1_davis@urscorp.com |
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Abstract: | In order to understand better the pathways for transport of ammonium perfluorooctanoate (APFO) from a point source, a focused investigation of environmental media (water and soil) near a fluoropolymer manufacturing facility (Site) was undertaken. Methods were developed and validated at 2 microg kg(-1) the limit of quantitation (LOQ)] in soil, and at 50 ng l(-1) in water. Environmental media were sampled from a public water supply well field located north of the Site, across a river. The data suggest that APFO air emissions from the Site are transported to the well field, deposited onto the soil, and then migrate downward with precipitation into the underlying aquifer. |
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