2017 Massachusetts General Laws
PART I ADMINISTRATION OF THE GOVERNMENT
TITLE XX PUBLIC SAFETY AND GOOD ORDER
Chapter 146 INSPECTION OF BOILERS, AIR TANKS, ETC. LICENSES OF ENGINEERS, FIREMEN, AND OPERATORS OF HOISTING MACHINERY
Section 42 Safety valves

Universal Citation: MA Gen L ch 146 § 42 (2017)

Section 42. No person shall use an ammonia compressor unless it is equipped with a safety valve.

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