Arsenic In Glass Manufacturing. Employees involved in glass manufacturing. Rule Summary This is a part 61 ie old National Emission Standard for Hazardous Air Pollutants NESHAP.
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Until recently glass makers used arsenic in their manufacturing process but thanks to the pressure from EPA and other groups they have lowered its use or even stopped altogether. Industrially manufactured red arsenic glass varies in its composition. Glass Manufacturing Area Sources - Example Initial Notification Report.
Refining agents include arsenic trioxide antimony oxide nitrates and sulfates.
Arsenic is used in many industries. There is inadequate evidence of increased cancer risk for workers manufacturing flat glass and special glass. Until recently glass makers used arsenic in their manufacturing process but thanks to the pressure from EPA and other groups they have lowered its use or even stopped altogether. Arsenic acid acts clearly as a precursor to make glass and it cannot be regarded just as an auxiliary agent catalyst processing agent solvent.
