Signs outside smoking rooms shall be white text on red or other highly visible contrasting colors including at least the words "SMOKING ROOM" in letters at least 1/2 inch high.
Okla. Admin. Code § 310:355-17-3
Signs outside smoking rooms shall be white text on red or other highly visible contrasting colors including at least the words "SMOKING ROOM" in letters at least 1/2 inch high.
Okla. Admin. Code § 310:355-17-3