(225 ILCS 705/25.01) (from Ch. 96 1/2, par. 2501)

Sec. 25.01. Multi-gas detectors and a barometer, all in proper working condition, shall be kept available at each mine for the use of authorized persons. Only permissible multi-gas detectors or air sampling and analysis shall be used for determining the presence of methane and other gases in mine air.

(Source: P.A. 99-538, eff. 1-1-17.)