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AIR4964A - Exposure Levels of UV Radiation in Nondestructive Inspection Processes

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Document Number: AIR4964A
Project Initiation: 03-20-2012
Project Number:
Revision Number: A
Sponsor Name: Sam J. Robinson
Title
Exposure Levels of UV Radiation in Nondestructive Inspection Processes
Scope
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.
Rationale
AIR4964A is a Five Year Review and update of this information report.
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