Some employees engaged in central services in a hospital have experienced irritation to the eyes and throat near the hydrogen peroxide (HP) steriliser. Method: The concentrations of hydrogen peroxide vapour (HPV) in the proximity of HP sterilisers (low-temperature hydrogen peroxide gas plasma steriliser: Sterrad NX , Sterrad 100S , and Sterrad 200 , Johnson & Johnson, and Low-temperature vaporized hydrogen peroxide steriliser: Amsco V PRO1 , Sakura Seiki) were measured with an

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... al detector. Results: HPV was present at higher concentrations than anticipated. Conclusion: Adequate air conditioning, donning gloves for bag handling, supplied-air respirator use for door opening, and other measures for the security of healthcare personnel should be seriously reevaluated.