(1) You must post signs at the entrance to work areas and all access doors when other potentially infectious materials (OPIM) or infected animals are present in the work area or containment module.
(2) You must make sure signs:
(a) Contain the following symbol and information:
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(Name of the infectious agent.)
(Special requirements for entering the area.)
(Name, telephone number of the laboratory
director or other responsible person.)
(b) Are all or mostly fluorescent orange-red with lettering and symbol in a contrasting color.