F General Pressure Relationships and Ventilation of Certain Hospital Areas

Section 250.TABLE F   General Pressure Relationships and Ventilation of Certain Hospital Areas Area Designation Pressure Relationship To Adjacent Areas Minimum Total Air Changes Per Hour Supplied To Room All Air Exhausted Directly To Outdoors Recirculation Within Room Units Operating Room + 12 Optional No Emergency Operating Room + 12 Optional No Delivery Room + 12 Optional No *Soiled Workroom or *Soiled Holding Room - 10 Yes No *Clean Workroom or *Clean Holding Room + 4 Optional Optional *Autopsy - 10 Yes No *Toilet Room - 10 Yes No *Bedpan Room - 10 Yes No *Bathroom - 10 Yes No *Janitors' Closet - 10 Yes No *Sterilizer Equipment Room - 10 Yes No *Food Preparation Centers 0 10 Yes No *Dietary Day Storage 0 2 Optional No *Laundry, General 0 10 Yes No *Soiled Linen Sorting and *Storage Rooms - 10 Yes No *Anesthesia Storage 0 8 Yes No Symbol Key:   + = Positive     - = Negative    O= Equal * = Recommended