Figure: 25 TAC §135.56(b)
|Filter Bed No. 1
|Filter Bed No. 2
|General procedure operating rooms,
patient care areas, treatment,
diagnostic, those areas providing
direct service or clean supplies such
as sterile and clean processing, and
|2||30, 8||90, 14|
|Administrative, bulk storage, soiled
holding areas, and laundries
* MERV - Minimum efficiency rating value (American Society of Heating Refrigeration and Air-Conditioning Engineers (ASHRAE) Standard 52.2, 1999 edition.
• Additional roughing or prefilters should be considered to reduce maintenance
required for filters with efficiency higher than 75%.
• The filtration efficiency ratings are based on ASHRAE Standard 52.1, 1992 edition.