WAC 296-24-72003. Mechanical piping systems

(1) General. You must observe the requirements of WAC 296-24-68001 , 296-24-68501 through 296-24-68507 , 296-24-69501 through 296-24-69507 , 296-24-70001 through 296-24-70007 and 296-24-71501 through 296-24-71525 . (2) X-ray inspection. The use of X-rays and radioactive isotopes for the inspection of welded piping joints must be in conformance with the American National Standard Safety Standard for Nonmedical X-ray and Sealed Gamma-Ray Sources, ANSI Z 54.1-1963.