1危险指数 更多详情参见:https://www.epa.gov/newsreleases/biden-harris-administration-finalizes-first-ever-national-drinking-water-standard ;https://www.epa.gov/sdwa/and-polyfluoroalkyl-substances-pfas#Webinars
The foregoing patchwork approach has resulted in a wide range of concentrations for state-based PFAS drinking water standards or guidelines, ranging from 2 ppt (Connecticut "action level") to 400,000 ppt (Michigan enforceable standard) for certain compounds. Now that the EPA has finalized MCLs fo...
On March 14, 2023, the U.S. Environmental Protection Agency (EPA)announcedthat it will propose the first-ever national drinking water standard for six per- and polyfluoroalkyl substances (PFAS) in the latest action under EPA’sPFAS Strategic Roadmap. The proposed National Primary ...
The US Environmental Protection Agency(EPA)has issued a national and legally enforceable drinking water standard for per-and polyfluoroalkyl substances(PFAS).The National Primary Drinking Water Regulation sets an enforceable limit of 4.0 parts per trillion(ppt)for both perfluorooctane sulfonic acid(PFOS...
“Drinking water systems will have flexibility to determine the best solution for their community,” the EPA announced. EPA will host a series of webinars to provide information to the public, communities, and water utilities about the final PFAS drinking water regulation. To learn more about ...
While theintroduction of PFAS MCLs is a positive development for public health, it also comes with significant implementation challenges and costs, particularly for publicDrinking WaterUtilities. These entities, who are passive receivers of PFAS contamination, will bear the burden of implementing trea...
The rule will require companies to report leaks of two of the most commonly used per- and polyfluoroalkyl substances, or PFAS, and help pay to clean up existing contamination. The EPA last week announced its first drinking water standards to guard against PFAS pollution. ...
本应用简报展示了使用Sep-Pak PS2小柱作为EPA 537.1中所述方法的SPE固相萃取柱从饮用水样品中萃取PFAS。 优势 展示了根据EPA方法537.1使用Sep-Pak PS2小柱从饮用水中萃取PFAS。 简介 在美国,许多实验室在分析饮用水中的全氟烷基化合物(PFAS)时将遵循...
The Environmental Protection Agency is warning that two nonstick and stain-resistant compounds in drinking water pose health risks at levels so low they cannot currently be detected.
High exposure to nitrate through drinking water has been associated with health conditions like cancer, thyroid disease, preterm birth, and low birth weight. “We are all very thrilled with this achievement, and we are not stopping here. We are hopeful that we will soon have a larger prototype...