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WELDING, CUTTING, AND BRAZING |
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Compressed Gases - General Requirements |
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| Employers shall determine that compressed gas
cylinders under their control are in a safe condition to the extent that this can be
determined by visual inspection. Visual and "other" inspections are required,
but "other" inspections are not defined. These inspections must be conducted as
prescribed in the Hazardous Materials Regulations of the DOT contained
in 49 CFR Parts 171-179 and 14 CFR Part 103. Where these regulations are not applicable,
these inspections shall be conducted in accordance with CGA Pamphlets
C-6 and C-8. According to DOT regulations: "A cylinder that leaks, is bulged, has defective valves or safety devices, bears evidence of physical abuse, fire or heat damage, or detrimental rusting or corrosion, must not be used unless it is properly repaired and requalified as prescribed in these regulations." The term "cylinder" is defined as a pressure vessel designed for pressures higher than 40 psia (pounds per square inch absolute) and having a circular cross section. It does not include a portable tank, multi-unit tank car tank, cargo tank, or tank car. Click on the term below for a summary of DOT marking requirements.
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