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February 19, 2025 Clouds | 15°F
The 194th General Court of the Commonwealth of Massachusetts

Section 117: Ventilation

Section 117. Every establishment in which one or more persons is employed shall be so ventilated that all gases, vapors, dust, fumes, or any impurity injurious to health, whether generated in the course of the work carried on therein or otherwise, shall, so far as practicable, be rendered harmless.