This Recommended Practice (RP), IEST-RP-CC045, will provide guidance for code compliance, system longevity, and testing protocols when installing chemical fume hood systems. This document will offer duct and blower sizing, material compatibility, testing criteria, and system analysis to ensure a safer laboratory environment.

The first edition of Design Considerations for Critical Exhaust Systems is under development by Working Group 045 of the IEST Contamination Control Division (WG-CC045).