ETL 1110-3-498
24 Feb 99
F-3. Recommended Airlock Signs.
Recommended signs to be stenciled on the airlock are shown in Tables F-1 and F-2.
Table F-1
Stand-Alone Two-Stage Airlock Signs
Sign Text
Location
1.
Two-Stage Airlock
1.
Above the outer door.
2.
Do Not Open if Airlock is Occupied
2.
On the outer door.
3.
Upon Entering, Set Timer for 4 Minutes
3.
On the outer door below the other sign.
4.
Remove Mask Only After 4-Minute Purge
4.
On the second door, read from the outer
and/or CAM Check
compartment.
5.
Filtered Air Input
5. Near the filtered air inlet.
6.
CAM Check Port
6. On the second door above the CAM port.
7.
Remove Outer Garments Before
7. On the second door, read from the outer
Processing to Next Compartment if
compartment, below the other sign.
Exposed to Chemical Agent
8.
Set Timer for 4 Minutes
8. On the second door, read from the inner
compartment.
Table F-2
Integral Single-Stage Airlock Signs
Sign Text
Location
1. Airlock
1. Above the outer door.
2. Do Not Open if Airlock is Occupied
2. On the outer door.
3. After Removal of IPE, Set Timer for 3
3. On the outer door below the other sign.
Minutes*
4. Remove Mask Only After 3-Minute Purge
4. On the second door, read from inside the
and/or CAM Check**
airlock compartment.
5. CAM Check Port
5. On the second door above the CAM port.
* Actual time required is determined by equation C-1.
** Actual purge time is determined by equation C-1.
F-5
Previous Page
