•The Centers for Medicare and Medicaid Services (CMS) has lowered the humidity requirement to 20% (range is now 20% – 60%), effective in April 2013. 
•Facilities are required to monitor humidity in anesthesia locations such as,  OR, Cardiac Cath Labs, SPD.
•Facilities must document the decision to use the LSC waiver. Meaning that if they decide to operate at a humidity between 20-30%, an LSC waiver is required, and the decision must be documented.  
• At the Entrance Conference for any survey assessing LSC compliance, the facility must notify the survey team of the decision to use the LSC waiver.
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