Affected employees reported swollen tongues, itchy noses, light headedness, skin and respiratory irritations, and bad tastes in their mouths.The employees visited the employee health center; none of the employees were administered treatment and all returned to work the same day.A steris account manager spoke with user facility and identified the product as prolystica 2x concentrate enzymatic presoak and cleaner.The prolystica 2x concentrate enzymatic presoak and cleaner label states, "warning: contains subtilisins (proteolytic enzyme).Irritating to eyes and skin.Prolonged or frequently repeated contact to subtilisins may cause allergic reaction in some individuals.Do not breathe spray mist.Use adequate ventilation to maintain levels below established exposure limit." section 3.4.2 of ansi/aami st58:2005/(r)2010 regarding the ventilation of processing areas and equipment states, "general room ventilation: chemical sterilants should be used in an area that is properly ventilated.Rooms in which chemical disinfection and sterilization are performed should be large enough to ensure adequate dilution of vapor and should have a minimum air exchange rate of 10 air exchanges per hour (local regulations may require a higher minimum exchange rate).Ideally, local exhaust ventilation should be located at the level of the point of discharge of the vapors and pull vapors away from the work area and not toward personnel in the room." the steris account manager identified that the product was used in a confined space.The facility is currently conducting an evaluation of the ventilation of the space; the results have not yet been released.
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