SAE Standards Works
AMS K Non Destructive Methods and Processes Committee
AIR4964A - Exposure Levels of UV Radiation in Nondestructive Inspection Processes
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Sam J. Robinson
Exposure Levels of UV Radiation in Nondestructive Inspection Processes
Long wave ultraviolet or UV-A radiation (between 320 59 400nm) is used for fluorescent inspections in magnetic particle and liquid penetrant examinations. The UV-A radiationn is obtained from either fluorescent or high intensity discharge lamps that are stationary or portable. The commercially available UV-A lamps possess a large variation in intensity output that can cause a legitimate concern for possible health hazard. This draft reviews the nature of UV-A radiation emitted by these lights, blacklight equipment, acceptable UV dosage limits adopted by the American Conference of Governmental Industrial Hygienists (ACGIH) and European Standards Committee for Nondestructive Testing, and recommendation of proper practices when working with UV-A radiation.
AIR4964A is a Five Year Review and update of this information report.