['Specialized Industries']

['Mining']

07/19/2025

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§57.8535 Seals.

...

§57.8535 Seals.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

Seals shall be provided with a means for checking the quality of air behind the seal and a means to prevent a water head from developing unless the seal is designed to impound water.

['Specialized Industries']

['Mining']

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