§ 84.147 - Type B supplied-air respirator; minimum requirements.

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§ 84.147 Type B supplied-air respirator; minimum requirements.

No Type B supplied-air respirator shall be approved for use with a blower or with connection to an air supply device at positive pressures.

                    
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§ 84.147 - Type B supplied-air respirator; minimum requirements.

§ 84.147 Type B supplied-air respirator; minimum requirements.