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Answer to Question #4212 Submitted to "Ask the Experts"Category: Computer/VDT Screens The following question was answered by an expert in the appropriate field: Q
My company does asset management and in doing so we handle new and used CRT (cathode-ray tube) monitors. If one of the monitors were to fall to the floor and the glass shatters, should I be concerned with the radiation or other chemicals that may be in the air and possibly breathed in by employees? A
When a CRT (cathode-ray tube) monitor is turned off there is no radiation (x rays) produced. When the CRT is turned on, the leaded-glass picture tube effectively shields the x rays that are produced by the electron beam inside the tube. The primary hazard from a dropped and broken CRT is the implosion of the glass picture tube. They are designed not to break, but it could happen. The flying glass from the vacuum tube imploding can be very dangerous. Also, since the CRT monitor can have lead in the glass and lead may be placed on the back, inside of the tube, it too may produce an airborne hazard, upon implosion. John P. Hageman, MS, CHP
Answer posted on 2 February 2005. The information and material posted on this Web site is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Web site. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.
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