The following files are in Adobe Acrobat© PDF Format. Please right click and choose "Save As" to save the file onto your computer. You may click them to open in the browser; however please note that due to file size, some files may take a significant amount of time to open in the browser (only recommended for high speed connections). Technical Bulletin Index TB.10.0.04 - Fan Fundamentals TB.20.0.04 - Fan Selection - Fan Laws & Terminology TB.20.1.04 - Fan Selection – Guidelines TB.20.2.04 - Fan Selection – Volume Control TB.30.0.04 - Fan System Effects TB.40.0.04 - Fan System Testing TB.50.0.04 - Fan Installation TB.60.0.04 - Fan Balance & Vibration Control - Guidelines, Terms & Locations TB.60.1.04 - Fan Balance & Vibration Control - Vibration Limits & Field Balancing TB.70.0.04 Fan Sound (not yet available) TB.100.0.04 - Industrial Ventilation – Hood Design TB.100.1.04 Industrial Ventilation – Design Velocities TB.200.0.04 Air Pollution Control Technologies (not yet available) TB.200.1.04 Air Pollution Control - Types & Control of Dry Contaminants TB.200.2.04 Air Pollution Control - Types of Dry Dust Collection Equipment