Published on: 2023-05471. Preliminary regulatory determination and proposed rule; request for public comment; notice of public hearing. 2023-05471. PFAS National Primary Drinking Water Regulation Rulemaking
Published on: 2019-22705. Proposed rule, request for public comment. 2019-22705. National Primary Drinking Water Regulations: Proposed Lead and Copper Rule Revisions
Published on: 2014-04173. Direct final rule. 2014-04173. National Primary Drinking Water Regulations: Minor Corrections to the Revisions to the Total Coliform Rule