SECTION 310:355-15-2. Airflow into the smoking room or other smoking space  


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  •   The direction of airflow through an open doorway to a smoking room can be observed, with airflow into the room indicating negative air pressure with respect to the nonsmoking areas. The rate of airflow required into a smoking room or other smoking space shall comply with sections 9-2, 11-1, 11-2, 11-3, and 13-1 of this Chapter.
[Source: Added at 23 Ok Reg 2363, eff 6-25-06]