105 Mass. Reg. 470.351

Current through Register 1523, June 7, 2024
Section 470.351 - Ventilation Shut-off

Each mechanical ventilation system in lockups constructed after the effective date of 105 CMR 470.000, shall be equipped with a readily accessible means for either exhaust shut-off or volume reduction for times when the cell block is not in use.

105 CMR 470.351