Advanced Fume Hoods - Lawrence Berkeley National Laboratory

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FisherHamilton Concept Hood! Downflow Bypass Air! Celing Enclosure for sash has bypass airdrawn from room and not from above clg.! Flush Airfoil Sill washes worktop withoutlimiting user accessibility, hascontainment trough, and cord passthru.
HOPEC IV – XD! Operates Down to 60 feet per minute! 26” and 18” Manikin Challenge Heights! Barrier Airfoil gives ASHRAE 110Containment < 0.05 ppm, 39” Deep.! Barrier Airfoils typically 1 ½” high andextending 6” into hood improvecontainment but limit use of hood.
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Page 34: Questions?Victor A. Neuman, PETek-A

Advanced Fume Hoods - Lawrence Berkeley National Laboratory

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