2024年4月10日,美国环保署(EPA)发布了首个具有法律效力的国家饮用水标准,以保护社区免受有害的全氟烷基和多氟烷基物质(PFAS)的影响。主要内容包括: (1)为饮用水中的6种PFAS物质建立了最大污染物水平(MCL),并确定了其基于健康的、暂不强制执行的最大污染物水平目标(MCLG),详见下表,包括PFOA、PFOS、PFHxS、PF...
In an interim response to a petition from environmentalists seeking SDWA standards for several per- and polyfluoroalkyl substances (PFAS), EPA water chief David Ross told the Ohio Environmental Council last month that while the agency is considering whether two widespread PFAS meet statutory ...
Earlier this year, the United States Environmental Protection Agency (EPA) announced plans to propose, establish, and enforce national drinking water regulations for perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), and other similar substances, PFAS. These substances — which ...
MCL. This determination, however, is only the first step in the regulatory process. If EPA makes a decision to regulate PFOA and PFOS, the agency would still need to propose and promulgate a final rule that public water systems will have to meet, a process that ...