Section 180.50  Use Within Buildings Restricted

a)         The mixing, storing or handling of Class I and Class II liquids in open containers is prohibited in any building, except in the compounding of medicines and prescriptions in drug stores.

b)         Dry cleaning or removal of spots from clothing or other material with Class I and Class II liquids shall always be done out of doors, unless in an approved dry cleaning plant.

c)         Use of Class I and Class II liquids for cleaning floors, woodwork, etc., shall be avoided.