Mass. Gen. Laws ch. 149, § 107: Water for humidifying purposes; violation of statute

Section 107. The water used for humidifying purposes by any person operating a factory or workshop shall be of such a degree of purity as not to give rise to any impure or foul odors, and shall be so used as not to be injurious to the health of persons employed in such factories or workshops. Whoever violates this section shall be punished by a fine of not less than ten nor more than one thousand dollars.