(a) All decomposed, fetid, or putrescent matter and all refuse, waste, and sweepings of any factory, mill, workshop, mercantile establishment, laundry, or other establishment shall be removed at least once each day and be disposed of in such manner as not to cause a nuisance.
(b) All cleaning, sweeping, and dusting shall be done as far as possible outside of working hours, but if done during working hours, shall be done in such a manner as to avoid, as far as possible, the raising of dust and noxious odors.