List of ASTM International standards (E) - Wikipedia
E592 - 20 Guide to Obtainable ASTM Equivalent Penetrameter Sensitivity for Film Radiography of Steel Plates 14 to 2 in. (6 to 51 mm) Thick with X-Rays and 1 to 6 in. (25 to 152 mm) Thick with Cobalt-60. E594 - 96 (2019) Practice for Testing Flame Ionization Detectors Used in Gas or Supercritical Fluid Chromatography.