CAS number

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Workplace exposure standards

TWA
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10 mg/m3
STEL
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CEILING
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Notations

w: A range of airborne contaminants are associated with gas and arc welding. The type of metal being welded, the electrode employed, and the welding process will all influence the composition and amount of fume. Gaseous products such as oxides of nitrogen, carbon monoxide, and ozone may also be produced.

Exposure assessment of welding fume should be based on measurement of known or expected components in welding fume which would include metal constituents as well as shielding gases and contaminants produced during combustion of surface coatings and cleaning products, where present.

Notes
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Year adopted
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Next review
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