Table 3 Ventilation Requirements for Areas Affecting
Patient Care in Hospitals and Outpatient Facilities
|
|||||
Function Space
|
Pressure
|
Minimum Air
|
Minimum
|
All Air
|
|
Relationship
|
Changes of
|
Total Air
|
Exhausted
|
||
to Adjacent
|
Outside Air
|
Changes per
|
Directly to
|
||
Areasa
|
per Hourb
|
Hourc
|
Outsidem
|
||
Surgery and Critical Care
|
|||||
Operating
room (class B and positive C surgical)
|
Positive
|
4
|
20
|
—
|
|
Operating/surgical cystoscopic roomse, p, q
|
Positive
|
4
|
20
|
—
|
|
Delivery
roomp
|
Positive
|
4
|
20
|
—
|
|
Recovery roomp
|
—*
|
2
|
6
|
—
|
|
Critical or
intensive care (burn or intermediate)
|
Positive*
|
2
|
6
|
—
|
|
Newborn intensive care
|
Positive*
|
2
|
6
|
—
|
|
Treatment
rooms
|
—*
|
2
|
6
|
—
|
|
Nursery suite
|
Positive
|
5
|
12
|
—
|
|
Trauma roomf,
s
|
Positive
|
5
|
12
|
—
|
|
Trauma room (crisis or shock)
|
—
|
3
|
15
|
—
|
|
Anesthesia gas
storage
|
Negative
|
—
|
8
|
Yes
|
|
GI endoscopyab
|
—
|
2
|
6
|
—
|
|
Bronchoscopyq
|
Negative
|
2
|
12
|
Yes
|
|
Emergency waiting rooms
|
Negative
|
2
|
12
|
Yes
|
|
Triage
areas
|
Negative
|
2
|
12
|
Yes
|
|
Radiology waiting rooms
|
Negative
|
2
|
12
|
Yest
|
|
Procedure
room (class A surgical)
|
Positive
|
3
|
15
|
—
|
|
Nursing
|
|||||
Patient
room
|
—*
|
2
|
6v
|
—
|
|
Toilet roomg
|
Negative
|
Optional
|
10
|
Yes
|
|
Newborn
nursery suite
|
—*
|
2
|
6
|
—
|
|
Protective environment roomi, q, w
|
Positive
|
2
|
12
|
—
|
|
Airborne
infection isolation roomh,q, x
|
Negative
|
—
|
12
|
Yesu
|
|
Isolation alcove or anteroomw, x
|
Pos./Neg
|
2
|
10
|
Yes
|
|
Labor/delivery/recovery/postpartum
(LDRP)
|
—*
|
2
|
6v
|
—
|
|
Public corridor
|
Negative
|
2
|
2
|
—
|
|
Patient
corridor
|
—*
|
2
|
4
|
—
|
|
Ancillary
|
|||||
Radiology
(diagnostic and treatment)
|
—
|
2
|
6
|
—
|
|
Radiology (surgery/critical care and catheterization)
|
Positive
|
3
|
15
|
—
|
|
Darkroom
|
Negative
|
2
|
10
|
YesJ
|
|
Laboratory, generaly
|
Negative
|
2
|
6
|
Yes
|
|
Laboratory,
bacteriology
|
Negative
|
2
|
6
|
Yes
|
|
Laboratory, biochemistryy
|
Positive
|
2
|
6
|
—
|
|
Laboratory,
cytology
|
Negative
|
2
|
6
|
Yes
|
|
Laboratory, glasswashing
|
Negative
|
Optional
|
10
|
Yes
|
|
Laboratory,
histology
|
Negative
|
2
|
6
|
Yes
|
|
Microbiologyy
|
Negative
|
—
|
6
|
Yes
|
|
Laboratory,
nuclear medicine
|
Negative
|
2
|
6
|
Yes
|
|
Laboratory, pathology
|
Negative
|
2
|
6
|
Yes
|
|
Laboratory,
serology
|
Positive
|
2
|
6
|
Yes
|
|
Laboratory, sterilizing
|
Negative
|
Optional
|
10
|
Yes
|
|
Laboratory,
media transfer
|
Positive
|
2
|
4
|
—
|
|
Autopsy roomq
|
Negative
|
2
|
12
|
Yes
|
|
Nonrefrigerated
body-holding roomk
|
Negative
|
Optional
|
10
|
Yes
|
|
Pharmacy
|
Positiveaa
|
2
|
4
|
—
|
|
Administration
|
|||||
Admitting and Waiting Rooms
|
Negative
|
2
|
6
|
Yes
|
|
Diagnostic and Treatment
|
|||||
Bronchoscopy, sputum collection, and
|
Negative
|
2
|
12
|
Yes
|
|
Pentamidine
administration
|
Negative
|
2
|
12
|
Yes
|
|
Examination room
|
—*
|
2
|
6
|
—
|
|
Medication
room
|
Positive
|
2
|
4
|
—
|
|
Treatment room
|
—*
|
2
|
6
|
—
|
|
Physical
therapy and hydrotherapy
|
Negative
|
2
|
6
|
—
|
|
Soiled workroom or soiled holding
|
Negative
|
2
|
10
|
Yes
|
|
Clean
workroom or clean holding
|
Positive
|
2
|
4
|
—
|
|
Sterilizing and Supply
|
|||||
ETO-sterilizer
room
|
Negative
|
—
|
10
|
Yes
|
|
Sterilizer equipment room
|
Negative
|
—
|
10
|
Yes
|
|
Central medical
and surgical supply
|
|||||
_Soiled or decontamination room
|
Negative
|
2
|
6
|
Yes
|
|
_Clean
workroom
|
Positive
|
2
|
4
|
—
|
|
_Sterile storage
|
Positive
|
2
|
4
|
—
|
|
_Endoscope
cleaning room
|
Negative
|
2
|
10
|
Yes
|
|
Service
|
|||||
Food
preparation centerl
|
—*
|
2
|
10
|
Yes
|
|
Warewashing
|
Negative
|
Optional
|
10
|
Yes
|
|
Dietary day
storage
|
*
|
Optional
|
2
|
—
|
|
Laundry, general
|
Negative
|
2
|
10
|
Yes
|
|
Soiled
linen sorting and storage
|
Negative
|
Optional
|
10
|
Yes
|
|
Clean linen storage
|
Positive
|
2
(Optional)
|
2
|
—
|
|
Linen and
trash chute room
|
Negative
|
Optional
|
10
|
Yes
|
|
Bedpan room
|
Negative
|
Optional
|
10
|
Yes
|
|
Bathroom
|
Negative
|
Optional
|
10
|
Yes
|
|
Janitor’s closet
|
Negative
|
Optional
|
10
|
Yes
|
|
Hazardous
material storage
|
Negative
|
2
|
10
|
Yes
|
Table 3 Ventilation Requirements for Areas Affecting
Patient Care in Hospitals and Outpatient Facilities
|
||||
Function Space
|
Air
|
Relative
|
Design
|
|
Recirculated
|
Humidity,n
|
Temperature,o
|
||
Within Room
|
%
|
°F
|
||
Unitsd
|
||||
Surgery and Critical Care
|
||||
Operating
room (class B and positive C surgical)
|
No
|
30 to 60
|
62 to 80
|
|
Operating/surgical cystoscopic roomse, p, q
|
No
|
30 to 60
|
68 to 73r
|
|
Delivery
roomp
|
No
|
30 to 60
|
68 to 73
|
|
Recovery roomp
|
No
|
30 to 60
|
75 ± 2
|
|
Critical or
intensive care (burn or intermediate)
|
No
|
30 to 60
|
70 to 75
|
|
Newborn intensive care
|
No
|
30 to 60
|
72 to 78
|
|
Treatment
rooms
|
—
|
30 to 60
|
70 to 75
|
|
Nursery suite
|
No
|
30 to 60
|
75 to 80
|
|
Trauma roomf,
s
|
No
|
30 to 60
|
70 to 75
|
|
Trauma room (crisis or shock)
|
No
|
30 to 60
|
70 to 75
|
|
Anesthesia
gas storage
|
—
|
—
|
—
|
|
GI endoscopyab
|
No
|
30 to 60
|
68 to 73
|
|
Bronchoscopyq
|
No
|
30 to 60
|
68 to 73
|
|
Emergency waiting rooms
|
—
|
30 to 60
|
70 to 75
|
|
Triage
areas
|
—
|
—
|
70 to 75
|
|
Radiology waiting rooms
|
—
|
—
|
70 to 75
|
|
Procedure
room (class A surgical)
|
No
|
30 to 60
|
70 to 75
|
|
Nursing
|
||||
Patient
room
|
—
|
30 (W), 50 (S)
|
70 to 75
|
|
Toilet roomg
|
No
|
—
|
—
|
|
Newborn
nursery suite
|
No
|
30 to 60
|
72 to 78
|
|
Protective environment roomi, q, w
|
No
|
—
|
70 to 75
|
|
Airborne
infection isolation roomh,q, x
|
No
|
30 to 60
|
70 to 75
|
|
Isolation alcove or anteroomw, x
|
No
|
—
|
—
|
|
Labor/delivery/recovery/postpartum
(LDRP)
|
—
|
30 (W), 50 (S)
|
70 to 75
|
|
Public corridor
|
—
|
—
|
—
|
|
Patient
corridor
|
—
|
—
|
—
|
|
Ancillary
|
||||
Radiology
(diagnostic and treatment)
|
—
|
40 (W), 50 (S)
|
78 to 80
|
|
Radiology (surgery/critical care and
catheterization)
|
No
|
30 to 60
|
70 to 75
|
|
Darkroom
|
No
|
—
|
—
|
|
Laboratory, generaly
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory,
bacteriology
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory, biochemistryy
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory,
cytology
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory, glasswashing
|
—
|
—
|
—
|
|
Laboratory,
histology
|
No
|
30 to 60
|
70 to 75
|
|
Microbiologyy
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory,
nuclear medicine
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory, pathology
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory,
serology
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory, sterilizing
|
No
|
30 to 60
|
70 to 75
|
|
Laboratory,
media transfer
|
No
|
30 to 60
|
70 to 75
|
|
Autopsy roomq
|
No
|
—
|
—
|
|
Nonrefrigerated
body-holding roomk
|
No
|
—
|
70 to 75
|
|
Pharmacy
|
—
|
30 to 60
|
70 to 75
|
|
Administration
|
||||
Admitting and Waiting Rooms
|
—
|
30 to 60
|
70 to 75
|
|
Diagnostic and Treatment
|
||||
Bronchoscopy, sputum collection, and
|
—
|
30 to 60
|
70 to 75
|
|
Pentamidine
administration
|
—
|
30 to 60
|
70 to 75
|
|
Examination room
|
—
|
30 to 60
|
70 to 75
|
|
Medication
room
|
—
|
30 to 60
|
70 to 75
|
|
Treatment room
|
—
|
30 (W), 50
(S)
|
70 ± 2
|
|
Physical
therapy and hydrotherapy
|
—
|
30 to 60
|
72 to 78 to 80
|
|
Soiled workroom or soiled holding
|
No
|
30 to 60
|
72 to 78
|
|
Clean
workroom or clean holding
|
—
|
—
|
—
|
|
Sterilizing and Supply
|
||||
ETO-sterilizer
room
|
No
|
30 to 60
|
72 to 78
|
|
Sterilizer equipment room
|
No
|
30 to 60
|
74 ± 2
|
|
Central
medical and surgical supply
|
||||
_Soiled or decontamination room
|
No
|
30 to 60
|
72 to 78
|
|
_Clean
workroom
|
No
|
30 to 60
|
72 to 78
|
|
_Sterile storage
|
—
|
Under 50
|
74 ± 2
|
|
_Endoscope
cleaning room
|
No
|
—
|
—
|
|
Service
|
||||
Food
preparation centerl
|
No
|
—
|
—
|
|
Warewashing
|
No
|
—
|
—
|
|
Dietary day
storage
|
No
|
—
|
—
|
|
Laundry, general
|
No
|
—
|
—
|
|
Soiled
linen sorting and storage
|
No
|
—
|
—
|
|
Clean linen storage
|
—
|
—
|
—
|
|
Linen and
trash chute room
|
No
|
—
|
—
|
|
Bedpan room
|
No
|
—
|
—
|
|
Bathroom
|
No
|
—
|
72 to 78
|
|
Janitor’s closet
|
No
|
—
|
—
|
|
Hazardous
material storage
|
No
|
—
|
—
|
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