This specification covers the minimum requirements for agencies performing nondestructive testing. It can also be used as a basis to evaluate testing or inspection agencies, or both that are intended for use in qualifying or accrediting, or both of testing or inspection agencies that are either public or private. A nondestructive testing agency's capabilities shall include, but not limited to, one or more of the following methods: magnetic particle, penetrant, radiographic/fluoroscopic, ultrasonic, eddy current, and leak testing. Minimum requirements include: a written Procedures Manual for the type of work for which the agency is contracted; process control or operation procedures that shall contain the information necessary to control the various activities necessary for materials examination; personnel qualification which include procedures for training, certification, and recertification; equipment maintenance and calibration which shall contain inventory listings; equipment operation and technique file; and records and documentation that shall be maintained in a central file and in other accessible files as necessary and shall be available for authority examination.