This is not a NEPA document. The Federal Register notice announces EPA's finalization of Laboratory Quality Standards for Recognition (LQSR 4.0) under the National Lead Laboratory Accreditation Program (NLLAP), replacing LQSR 3.0 from 2007. The action updates accreditation standards for laboratories that analyze lead in paint, dust, and soil, referencing ISO/IEC 17025:2017 and ASTM E1583-21a. No environmental impact analysis, alternatives, or NEPA review is present. LQSR 4.0 is effective October 23, 2024, with full mandatory compliance required by December 22, 2025.12