美国环保局悄悄改变了其网站措辞，收回了美国已停止使用PFOA和PFOS两种危险全氟化合物的说法1。尽管该机构已认定这两种物质在饮用水中的安全暴露水平几乎为零1，但仍允许位于休斯敦的Inhance公司继续生产含有这些有害物质的塑料容器1。
Inhance公司年产塑料容器高达2亿个，用于全美各经济领域1。研究发现，PFOA和PFOS从容器中浸出进入容器内容物的浓度很高1。国际癌症研究机构已将PFOA列为"致癌物"，将PFOS列为"可能致癌物"1。
The U.S. Environmental Protection Agency has altered language on its website to retract assertions that the United States has discontinued use of PFOA and PFOS, two hazardous per- and polyfluoroalkyl substances (PFAS) 1. This reversal comes despite the EPA's own determination that safe exposure levels for these compounds in drinking water are nearly zero 1.
Despite these safety findings, the EPA continues to permit Inhance Technologies, a Houston-based manufacturer, to produce plastic containers containing these harmful substances 1. The company manufactures approximately 200 million plastic containers annually for use across various sectors of the U.S. economy 1. Research has documented that PFOA leaches from these containers into their contents at elevated concentrations 1. The International Agency for Research on Cancer has classified PFOA as a carcinogen and PFOS as a probable carcinogen 1.
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