General Laws of Massachusetts - Chapter 146 Inspection of Boilers, Air Tanks, Etc. Licenses of Engineers, Firemen, and Operators of Hoisting Machinery - Section 9 Pressure; safety appliances

Section 9. No person shall operate or cause to be operated any boiler required by this chapter to be inspected at pressures in excess of the safe working pressure ascertained by the rules of the board and stated in the certificate of inspection nor unless the boiler is equipped with such safety appliances as are prescribed by the board.

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Last modified: September 11, 2015