Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4675 - OUTPATIENT SURGICAL CENTERS
PATIENT TREATMENT AREAS
Part 4675.1800 - FILTER EFFICIENCIES
Universal Citation: MN Rules 4675.1800
Current through Register Vol. 49, No. 13, September 23, 2024
All filter efficiencies shall be certified by an independent testing agency and shall be based on ASHRAE Standard No. 52-68, except as noted in 7-30D-2-1(2).
Filter frames shall be durable and carefully dimensioned and shall provide an airtight fit with the enclosing duct work. All joints between filter segments and the enclosing duct work shall be gasketed or sealed to provide a positive seal against air leakage.
Each filter bed serving operating room areas or central air systems shall have a manometer installed across each filter bed.
Statutory Authority: MS s 144.56
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