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Presentation (PDF) - US Environmental Protection Agency

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Hydro Magnesium Plants Are<br />

Replacing SF 6 with SO 2<br />

Implementation of SO 2<br />

"Tightening" furnaces and casting equipment to<br />

minimize the use of sulfur dioxide<br />

Developing established procedures for safe gas<br />

management<br />

Verifying that sulfur dioxide can be used for<br />

effective melt protection while still achieving an<br />

acceptable and safe working environment

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