W. Va. Code R. § 56-20-24

Current through Register Vol. XLI, No. 50, December 13, 2024

Section 56-20-24 - Air Quality

24.1. Persons whose duties require them to use air quality testing devices shall be trained by the operator to assure their competence and a record that such training was given shall be kept on file by the operator for a period of one (1) year.

24.2. Each operator shall provide for the proper maintenance and care of the approved testing device(s) by a person trained in such maintenance, and before each shift, care shall be taken to insure that such device(s) are maintained according to manufacturers' recommendations. Air quality testing devices shall be calibrated according to manufacturers' recommendations and a record kept and made available to interested persons for a period of one (1) year.

24.3. Air quality.

24.3.a. Exposure monitoring. Dust, gas, mist, and fume surveys shall be conducted as frequently as necessary to determine the adequacy of control measures.

24.3.b. Oxygen deficiency. Air in all active workings shall contain at least 19.5 volume percent oxygen.

W. Va. Code R. § 56-20-24