Local Exhaust Ventilation Testing Protocols

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National Institutes of Health Office of Research Services Division of Occupational Health and Safety Local Exhaust Ventilation Testing Protocols Technical Assistance Branch Reviewed June 2011 i National Institutes of Health Office of Research Services Division of Occupational Health and Safety Local Exhaust Ventilation Testing Protocols CONTENTS DOWNDRAFT SINKS FOR SMALL ANIMAL SURGERY ........................................ ................... 1 Introduction ........................................ ........................................ ........................................ .......... 1 Performance Testing .

The measurement of air velocities is to be done using a calibrated thermoanemometer. For measurement purposes, the work surface of the downdraft sink is to be divided into an imaginary

  Testing