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       CODE: 549.364-010 Buy the DOT:Download/CD-ROM
TITLE(s): TESTER, COMPRESSED GASES (chemical) alternate titles: compressed-gas tester; gas tester
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. Adjusts test equipment, such as volumetric moisture
tester, burette, conductometer, and pressure gauges, according to type or mixture of gases as shown
on chart. Records test procedures and results in log. Prepares and places identifying tags on
cylinders or tanks. Notifies supervisor of deviations from specifications. May test accuracy of
calibrations on pressure gauges, using dead-weight tester. May mix gases according to customer
specifications. May vaporize liquid gases and fill tube trailers. 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.
GOE: 06.03.01 STRENGTH: M GED: R3 M3 L2 SVP: 3 DLU: 77
ONET CROSSWALK: 83005A Production Inspectors, Testers, Graders, Sorters, Samplers, Weighers
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