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2[2]ASHRAE Guideline 12-2000 Minimizing the risk of legionellosis Associated with building water systems.
3[3]ASHRAE Standard 147-2002 Reducing the release of halogenated refrigerants from refrigerating and air-conditioning equipment and systems.
4[4]ANSI/ASHRAE Standard 15-2001 Safety standard for Refrigeration systems.
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