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Stamps & Marks "NB" Mark "NR" Stamp "R" Stamp "VR" Stamp Industry News Assuring Safety with Focused Integrity Reminder: Call for Presentations Technical Scholarship Application Period Now Open New Members and Advisory Committee Representatives Elected National Board Conducts Nuclear "C" Course 1 2 3 4 5 6 7 8 9 10 ... Key Links E-Publications Online Ordering Report Forms Stamps & Marks 1 2 Training Calendar Boiler and Pressure Vessel Repair Seminar (RO) 2-Day Welding Procedure Workshop (WPS) New Construction Commission/Authorized Inspector Course (A) Authorized Nuclear Inspector Course (N) Authorized Nuclear Inspector Supervisor Course (NS) 1 2 Resources Manufacturer & Repair Directory NB-136, Replacement of Stamped Data Form NB-18 (Redbook) NB-370, National Board Synopsis NB-57, National Board Guide for ASME

Stamps & Marks The National Board maintains three separate accreditation programs and one authorization program for stamps and marks. A description of the scope, requirements, and estimated cost of each program is outlined in each section below: Accreditation Programs: “R” Stamp “VR” Stamp “NR” Stamp Authorization Program “NB” Mark