Revision Edition 04 Chg: Date: 01/01/04 ASTM E94

Document Abstract
This ASTM E94 guide (Footnote 2) covers satisfactory X-ray and gamma-ray radiographic examination as applied to industrial radiographic film recording. ASTM E94,  It includes statements about preferred practice without discussing the technical background which justifies the preference. A bibliography of several textbooks and standard documents of other societies is included for additional information on the subject.

This ASTM E94 guide covers types of materials to be examined; radiographic examination techniques and production methods; radiographic film selection, processing, viewing, and storage; maintenance of inspection records; and a list of available reference radiograph documents.

NOTE 1 – Further information is contained in Guide ASTM E 999, Practice E 1025, Test Methods ASTM E 1030 and ASTM E 1032.

Interpretation and Acceptance Standards – Interpretation and acceptance standards are not covered by this guide, beyond listing the available reference radiograph documents for castings and welds. ASTM E94, Designation of accept – reject standards is recognized to be within the cognizance of product specifications and generally a matter of contractual agreement between producer and purchaser.

Safety Practices – Problems of personnel protection against X rays and gamma rays are not covered by this document. ASTM E94 For information on this important aspect of radiography, reference should be made to the current document of the National Committee on Radiation Protection and Measurement, Federal Register, U.S. Energy Research and Development Administration, National Bureau of Standards, and to state and local regulations, if such exist. For specific radiation safety information refer to NIST Handbook ANSI 43.3, 21 CFR 1020.40, and 29 CFR 1910.1096 or state regulations for agreement states.

This ASTM E94 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. (See 1.4.)

If an NDT agency is used, the agency shall be qualified in accordance with Practice astm E 543.

Footnote 2 – For ASME Boiler and Pressure Vessel Code applications see related Guide SE-94 in Section V of that Code

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