美国环保署首次制定饮用水限值。 EPA sets first-ever drinking water limits.

美国环境保护署（EPA）首次宣布了饮用水中 PFAS（也称为“永久化学物质”）的​​限量。 The US Environmental Protection Agency (EPA) has announced its first-ever drinking water limits for PFAS, also known as "forever chemicals." 这些持久性人造化学物质即使接触量很低也会对健康构成威胁。 These persistent human-made chemicals pose health risks at even very low levels of exposure. 美国环保署的新法规对饮用水中的几种 PFAS 化合物设定了限值，标志着公共健康保护向前迈出了重要一步。 The EPA's new regulation sets limits for several PFAS compounds in drinking water and marks a significant step forward for public health protection.