CAP Checklist Question ANP.24250
Is there a documented procedure for the routine decontamination of the
cryostat at defined intervals, and are decontaminated records evident?

They note that the interior of the cryostat can be decontaminated with 70%
ethanol. Later on they say it should be defrosted and decontaminated with a
tuberculocidal disinfectant at an interval appropriate for the institution.
Are they suggesting that after each use it get decontaminated with the 70%
ethanol and only periodically shut down unit and use the TB disinfectant? 
Thanks
M Satterfield

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