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Oklahoma Administrative Code
Title 310
Chapter 355
Subchapter 11
Smoking Room Negative Air Pressure and Smoke Containment
Oklahoma State Department of Health
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310:355-11-1
Negative pressure and full enclosure relationship
310:355-11-2
Negative air pressure requirements with changing occupancy and activity
310:355-11-3
Negative air pressure after smoking ends
310:355-11-4
Successive smoking and nonsmoking uses of a smoking space