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Rules and Regulations
248 CMR
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3.00: GENERAL PROVISIONS GOVERNING THE CONDUCT OF PLUMBING AND GAS WORK PERFORMED IN THE COMMONWEALTH
4.00: INTRODUCTION AND MASSACHUSETTS MODIFICATIONS
5.00: AMENDMENTS TO 2002 EDITION OF ANSI Z223.1-NFPA 54
7.00: MASSACHUSETTS CODE FOR GAS UTILIZATION EQUIPMENT IN LARGE BOILERS
10.00: UNIFORM STATE PLUMBING CODE