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B52S1-09
Supplement No. 1 to B52-05, Mechanical refrigeration code
The purpose of this Standard is to minimize the risk of personal injury by providing minimum requirements for the design, construction, installation, inspection, and maintenance of the mechanical refrigeration systems and volatile direct refrigeration systems specified in Clauses 1.2.1 and 1.2.2.
CSA America, Inc. [csa]