(1) Work rooms, restrooms, handwashing facilities, waiting areas, and all establishment areas to which clients have access must be kept clean and free of garbage, litter, unnecessary articles, dust, dirt, and sources of airborne dust or fumes.

(2) Utility rooms, storage rooms, and all other auxiliary rooms separated from other areas of the establishment by closed doors must be in good repair and cleaned as often as necessary to prevent insect or rodent harborage, airborne dust, airborne hazardous chemicals, or other contaminants.

(3) All rooms in the establishment must be provided with an artificial light source equivalent to 20 foot-candles of light three feet off the floor, except as required for work rooms in ARM 37.112.117(5).

(4) An establishment may not be operated in any room or area used as living or sleeping quarters. An establishment must be separated from any living or sleeping quarters by solid self-closing doors.