The standards listed in 522 CMR 1.03 are adopted and hereby incorporated as part of 522 CMR. Boilers and Pressure Vessels subject to 522 CMR shall be constructed in accordance with the ASME standards, or other recognized engineering standards in effect at the time of the manufacture. References to the external standards throughout 522 CMR shall be to the specific external standards adopted in 522 CMR 1.03, unless otherwise clearly stated.

ANSI/ASHRAE

15-2022 Safety Standard for Refrigeration Systems 34-2022 Designation and Safety Classification of Refrigerants

ANSI/IIAR

1-2022 Standards for Definitions and Terminology Used in IIAR Standards 2-2021 Standard for Design of Safe Closed-Circuit Ammonia Refrigeration Systems 4-2020 Installation of Closed-Circuit Ammonia Refrigeration Systems 6-2019 Standards for Inspection, Testing, and Maintenance of Closed-Circuit Ammonia

Refrigeration Systems

9-2020 Standard for Minimum System Safety Requirements for Existing Closed-Circuit Ammonia Refrigeration Systems

ASME Code for Pressure Piping, B31

B31.1-2020 Power Piping B31.3-2020 Process Piping B31.5-2019 Refrigeration Piping and Heat Transfer Components B31.9-2020 Building Service Piping

ASME Boiler and Pressure Vessel Code, 2021

Section I – Rules for Construction of Power Boilers Section II – Materials ! Part A – Ferrous Materials Specifications ! Part B – Nonferrous Materials Specifications ! Part C – Specifications for Welding Rods Electrodes and Filler Metals ! Part D – Properties Section III – Rules for Construction of Nuclear Facility Components Section IV – Rules for Construction of Heating Boilers Section VIII – Rules for Construction of Pressure Vessels

Section IX – Welding, Brazing and Fusing Qualifications Section X – Fiber-reinforced Plastic Pressure Vessels Section XI – Division 1 Rules for In-service Inspection of Nuclear Power Plant Components Section XIII – Rules for Overpressure Protection

ASME CSD-1-2021 Controls and Safety Devices for Automatically Fired Boilers

Part CG: General Part CM: Testing and Maintenance Part CW: Steam and Waterside Control

National Board Inspection Code, 2021 Edition ! Part 1 – Installation ! Part 2 – Inspection ! Part 3 – Repairs and Alterations ! Part 4 – Pressure Relief Devices

NFPA 85 Boiler and Combustion Systems Hazards Code – 2019 Edition