National Voluntary Laboratory Accreditation Program

Welcome

The National Voluntary Laboratory Accreditation Program (NVLAP) provides third-party accreditation to testing and calibration laboratories. NVLAP's accreditation programs are established in response to Congressional mandates, administrative actions by the Federal Government, and requests from private-sector organizations and government agencies.

NVLAP operates an accreditation system that is compliant with ISO/IEC 17011, Conformity assessment — General requirements for accreditation bodies accrediting conformity assessment bodies, which requires that the competence of applicant laboratories be assessed by the accreditation body against all of the requirements of ISO/IEC 17025, General requirements for the competence of testing and calibration laboratories.