1.1 This guide sets the minimum requirements which an analytical chemistry laboratory should meet to be recognized as competent to carry out specific analytical procedures.

1.2 Additional requirements and information which have to be disclosed for assessing competence or for determining compliance with other criteria may be specified by the organization or authority granting the accreditation, depending upon the specific character of the task of the laboratory.

1.3 This standard does not purport to address all of the safety problems, 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.