; and (B) pause or cease procurement of products that have not been identified as not containing perfluoroalkyl or polyfluoroalkyl substances within a reasonable timeline that accounts for— (i) survey completion and product return; and (ii) identifying and securing safer alternatives for the product. (c) Best available science A determination that an action complies with the policy described in subsection (a) or an action taken under subsection (b) shall be based on the best available science. (d) Savings provision Nothing in this section affects any other duty or obligation under Federal law. 104. Perfluoroalkyl or polyfluoroalkyl substance release phaseout (a) In general Beginning on the date that is 10 years after the date of enactment of this Act, it shall be unlawful for any manufacturer or user to release any quantity of perfluoroalkyl or polyfluoroalkyl substance above the threshold of detection of a detection method for perfluoroalkyl or polyfluoroalkyl substances that is validated by the Administrator in a manner that permits that perfluoroalkyl or polyfluoroalkyl substance to enter the environment. (b) Rulemaking required (1) In general Not later than 7 years after the date of enactment of this Act and after a period of notice and opportunity for public comment, the Administrator shall finalize a rule that— (A) establishes a schedule for the phaseout of the releases above the threshold of detection described in subsection (a) by the date described in that subsection