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Minimum Requirements for QC Checks
Test
Test frequency
HDR / PDR
LDR
Warning lights
Room radiation monitor
Audio/visual communication system
4M*
4M
4M
4M
4M
4M
[NCS Rep. 13, 2000, also in ESTRO Booklet 8]
Requirements for QC Checks
* For quarterly source exchange, it can be part of the exchange procedure