Job Description:

• 1) Tests compressed gases for moisture content, purity, ratio of gases in mixture, and cylinder pressure, using standard testing equipment and following specified procedures: Drains gas samples from tanks, or rolls cylinders to test station.

• 2) Adjusts test equipment, such as volumetric moisture tester, burette, conductometer, and pressure gauges, according to type or mixture of gases as shown on chart.

• 3) Records test procedures and results in log.

• 4) Prepares and places identifying tags on cylinders or tanks.

• 5) Notifies supervisor of deviations from specifications.

• 6) May test accuracy of calibrations on pressure gauges, using dead-weight tester.

• 7) May mix gases according to customer specifications.

• 8) May vaporize liquid gases and fill tube trailers.

• 9) May measure percentage of carbon monoxide in truck cabs, using automatic gas-metering device or by spraying chemical from syringe into atmosphere and matching degree of discoloration against color chart.