1.1 This guide covers a number of procedures that may be used by a laboratory accrediting body, either singly or as complementary activities, to provide ensurance that accredited laboratories continue to satisfy criteria and conditions for accreditation required by the accrediting body.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.