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Monthly surveys are not required when there is no radioactive material in your inventory (including in storage and in waste) for the entire calendar month.
The approval has been given a special condition from the Radiation Safety Committee(s).
There is no set number of areas required to be surveyed, but you must ensure that all radioactive material use areas within the lab are covered.
Survey records must be maintained for three years after the date of the survey.
There are no specific requirements for where survey records must be maintained. Survey records must be readily available for inspection by Research Laboratory & Safety Services or outside regulatory agencies.
The area must be immediately decontaminated and a documented follow-up survey must be performed to show that contamination does not exceed the action level.
The action level for contamination is 50 counts per minute (cpm) above the background count rate.
All surveys (both monthly and after-use) must include:
The method depends on what radionuclide(s) your approval is approved to possess and use: