Control and measurement procedures
The Local Rules summarise the key working instructions intended to restrict exposure in radiation areas. They will include at least the following information :
You must have read and understood the Local Rules before starting work on your experiment. Please contact the RPS if you have any questions about the Local Rules.
Local Rules for R55 and R80 are available online here:
Personal Dosimetry & System of Work
All ISIS users are required to wear a personal dosimeter, which is issued from the Health Physics Office. Please note that dosimeters are only valid for the month shown on the front of the badge. It is a requirement of IRR99 that you wear your dosimeter correctly and take care of it. Dosimetry must:
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If you lose or damage your dosimeter, please obtain a replacement from the Health Physics Office.
When you are issued with your dosimeter you will also receive a ‘System of Work for ISIS Controlled Areas’. This summarises the conditions for entry to Controlled Radiation Areas, including dosimetry arrangements, for people who are not Classified Radiation Workers. However, please remember that the detailed working instructions specific to your area will be found in the Local Rules.
If you are a Classified Radiation Worker, you are required to present your radiation passbook at the Health Physics office before starting work in ISIS radiation areas.
A monthly environmental dosimeter is installed in each instrument’s control cabin to record the total dose at that location. Results are reviewed regularly by the Radiation Protection Adviser to ensure that doses in these areas are being kept ALARP.
If you have any questions about working with radiation at ISIS, please speak to your Radiation Protection Supervisor in the first instance.
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