Evidence of Air Dispersion: HFPO-DA and PFOA in Ohio and West Virginia Surface Water and Soil near a Fluoropolymer Production Facility
Evidence of Air Dispersion: HFPO-DA and PFOA in Ohio and West Virginia Surface Water and Soil near a Fluoropolymer Production Facility
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DOI：
10.1021/acs.est.9b07384
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发表时间：
2020-06-16
影响因子：
11.4
通讯作者：
Weavers, Linda K.
中科院分区：
文献类型：
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作者：
Galloway, Jason E.;Moreno, Anjelica V. P.;Weavers, Linda K.
从1951年到2013年，全氟辛酸(PFOA)在西弗吉尼亚州帕克斯堡的一家氟聚合物生产工厂用作氟聚合物制造助剂。该制造商引入了一种替代表面活性剂六氟环氧丙烷二聚酸(HFPO-DA)，自2013年以来一直在该地点使用。历史上全氟辛酸的释放和这一领域的相关流行病学工作主要集中在下游社区。为了提供该工厂持续影响的最新情况，收集了94个地表水样本和13个土壤样本，主要是该设施的上风和下风。在工厂半径8公里范围内的13个采样点，检测到浓度超过1000 ng/L的每个地表水样本中都检测到全氟辛酸。HFPO-DA也被发现广泛存在，在核电站以北6.4公里的地表水中发现了最高水平(>；100毫微克/L)。在工厂以北28公里处的一个采样点，全氟辛烷酸值为143 ng/L，羟基苯丙胺为42 ng/L。与含氟化学废物填埋场相邻的样本点的全氟辛酸浓度高达1000 ng/L。这些数据表明，这两种化合物都发生了顺风向大气输送，冲击区的边界尚未完全划定。
Perfluorooctanoic acid (PFOA) was used as a fluoropolymer manufacturing aid at a fluoropolymer production facility in Parkersburg, WV from 1951 to 2013. The manufacturer introduced a replacement surfactant hexafluoropropylene oxide dimer acid (HFPO-DA) that has been in use at this site since 2013. Historical releases of PFOA and related epidemiological work in this area has been primarily focused on communities downstream. To provide an update on the ongoing impacts from this plant, 94 surface water samples and 13 soil samples were collected mainly upstream and downwind of this facility. PFOA was detected in every surface water sample with concentrations exceeding 1000 ng/L at 13 sample sites within an 8 km radius of the plant. HFPO-DA was also found to be widespread with the highest levels (>100 ng/L) found in surface water up to 6.4 km north of the plant. One sample site, 28 km north of the plant, had PFOA at 143 ng/L and HFPO-DA at 42 ng/L. Sites adjacent to landfills containing fluorochemical waste had PFOA concentrations ranging up to >1000 ng/L. These data indicate that downwind atmospheric transport of both compounds has occurred and that the boundaries of the impact zone have yet to be fully delineated.