34 Pa. Code § 14a.107 – Sources of ignition.

(a) Class I liquids shall not be handled, drawn, nor dispensed where flammable vapors may reach a source of ignition. Smoking shall be prohibited except in designated localities. ‘‘No Smoking’’ signs shall be conspicuously posted where hazard from flammable vapors is normally present.
(b) Use of class I liquids as degreasing or cleaning agents shall be prohibited.

Source

The provisions of this § 13.107 transferred from 37 Pa. Code and renumbered as 34 Pa. Code § 14a.107, February 28, 2014, effective March 1, 2014, 44 Pa.B. 1233. Immediately preceding text appears at serial page (259944).