77 Ill. Adm. Code 205.TABLE
A General Pressure Relationships and Ventilation Rates of Ambulatory Surgery Area
Section 205
Section 205.TABLE AÂ Â General Pressure Relationships and
Ventilation Rates of Ambulatory Surgery Area
Area Designation
Pressure
Relationship to Adjacent Areas
Minimum Total Air
Changes per Hour Supplied to Room
All Air Exhausted
Directly to Outdoors
Recirculated Within
Room Units
Procedure Room
+
15
Optional
No
Examination Room
0
6
Optional
Optional
Recovery Room
+
6
Optional
Optional
Medication Area
+
4
Optional
Optional
Medical Imaging Room
0
6
Optional
Optional
Soiled Workroom
or Soiled Holding
-
10
Yes
No
Clean
Workroom or Clean Holding
+
4
Optional
Optional
Darkroom
-
10
Yes
No
Toilet Room
-
10
Yes
No
Janitors' Closet
-
10
Yes
No
Sterilizer Equip. Rm.
-
10
Yes
No
Linen and Trash Rm.
-
10
Yes
No
Laboratory
-
6
Optional
Optional
Soiled Linen Storage
-
10
Yes
No
Clean Linen Storage
+
2
Optional
Optional
Anesthesia Storage
0
8
Yes
No
Central Services Area
Soiled Area
-
6
Yes
No
Clean Area
+
4
Optional
Optional
Equipment Storage
0
2
Optional
Optional
+Â Â Â =Â Â Â Positive
-Â Â Â Â =Â Â Â Negative
0Â Â Â =Â Â Â Equal