1.1 This practice covers general requirements for the establishment and maintenance of a quality control system for agencies engaged in nondestructive testing (NDT).

1.2 This practice utilizes criteria contained in Practice E543 and Guide E548.

1.3 This practice utilizes criteria contained in ANSI/ ASQC American National Standards Q90 Series.

1.4 This practice recognizes the importance of establishing minimum safety criteria.

1.5 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.