Reference Radiograph for E2868 Steel Castings Up to 2 in. (50.8 mm) in Thickness; Volumes I, II, & III + Active Standard

Reference Radiograph for E2869 Images for Inspection of Magnesium Castings + Active Standard

Digital Reference Images for Inspection of Aluminum and Magnesium Die Castings + Active Standard E2973

Reference Radiograph for E3030, Heavy-Walled (2 to 412 in. (50.8 to 114 mm)) Steel Castings - Volume I: 1 MV X-rays and Iridium-192 + Active Standard

Reference Radiograph for E3030, Heavy-Walled (2 to 412 in. (50.8 to 114 mm)) Steel Castings - Volume II: 2 MV to 4 MV X-rays and Cobalt-60 + Active Standard

Reference Radiograph for E3030, Heavy-Walled (2 to 412 in. (50.8 to 114 mm)) Steel Castings - Volume III: 4 MV to 30 MV X-ray + Active Standard

Reference Radiographs for E3030, Heavy-Walled (2 to 412 in. (50.8 to 114 mm)) Steel Castings - Volumes I, II, and III + Active Standard

Reference Radiographs for Determining Low-Contrast Visual Acuity of Radiographic Interpreters + Active Standard E3168

Standard Digital Reference Images for High-Strength Copper-Base and Nickel-Copper Alloy Castings + Active Standard

Reference Radiographs for E310 Tin Bronze Castings + Active Standard