All manufacturing, mechanical, mercantile and other establishments in this state shall be so ventilated as to render harmless all impurities, as near as may be.
Mo. Rev. Stat. § 292.110
Ventilation
Effective: 28 Aug 1939; (RSMo 1939 § 10192); Prior revisions: 1929 § 13232; 1919 § 6796; 1909 § 7837
Official source: Missouri Revisor of Statutes. Reproduced from public-domain Missouri statutes; confirm against the official source for the current text. Not legal advice.