Det er ingen tilgjengelig historikk for denne standarden.
Omfang
This request for interpretation refers to the requirements presented in ANSI/ASHRAE Standard 62.1-2010, Section 5.16.3.4 (Section 5.17.3.4 of 62.1-2007), Class 4 Air, regarding the recirculation or transfer of air from chemical storage room and laboratory fume hood exhaust systems.