Safety Valves

  1. Law
  2. Massachusetts General Laws
  3. Administration of the Government
  4. Public Safety and Good Order
  5. Inspection of Boilers, Air Tanks, Etc. Licenses of Engineers, Firemen, and Operators of Hoisting Machinery
  6. Safety Valves

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


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