CERN Dosimetry Service Monitoring More Than 6000 Staff With Personal Dosimeters

The CERN Dosimetry Service – Results of Monitoring and Status Report Thomas Otto, SC-RP, CERN and Personnel of the Individual Dosimetry Service EDMS No. 568 545 v.1

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object]

Personal Dosimetry at CERN ,[object Object],[object Object],[object Object]

Dosimetry by photographic film ,[object Object],[object Object],[object Object],[object Object]

Film-Dose Relationship ,[object Object],[object Object]

Replacement of Film-Dosimetry ,[object Object],[object Object],[object Object],[object Object]

The CERN dosimeter ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Immediate Reading of Dosimeter ,[object Object],[object Object],[object Object]

Distribution of 41 reader stations ,[object Object],[object Object]

Monthly Dose Record ,[object Object],May June July Monthly Dose May Monthly Dose June

The DIS-Dose relationship ,[object Object],[object Object]

Reminders and Warnings ,[object Object],June July August 1 st and 2 nd Reminder 1 st and 2 nd warning Last warning Access blocked, invoice

How many persons are monitored ? End of LEP Introduction of DIS

Collective Personal Dose Gradual intro-duction of operational dosimeters Systematic application of optimisation measures Variations due to amount of shutdown-work

Comparison with other sectors of activity in Switzerland Data averaged 2005- 2007

Duration of Dosimeter Use ,[object Object],[object Object],[object Object]

Infrastructure, Consumables and Personnel ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Service’s HR requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

LHC: forthcoming challenge ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to cope with the finite dosimeter lifetime ?

Summary ,[object Object],[object Object],[object Object],[object Object]

CERN Dosimetry Service Monitoring More Than 6000 Staff With Personal Dosimeters

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