The Ammonia Refrigeration Library is a must-have comprehensive technical resource for any industrial refrigeration professional. The Ammonia Refrigeration Library contains all current ANSI/IIAR Ammonia Refrigeration Standards in a special three-ring binder including ANSI/IIAR 1-2022, ANSI/IIAR 2-2021, ANSI/IIAR 3-2022, ANSI/IIAR 4-2020, ANSI/IIAR 5-2019, ANSI/IIAR 6-2019, ANSI/IIAR 7-2019, ANSI/IIAR 8-2020, ANSI/IIAR 9-2020. Purchase of the library provides a discount compared to individual purchase of the standards.