Fundamentals of Laboratory Safety: Near Miss Scenario

Directional airflow in the laboratory is an engineering control that keeps possibly contaminated air in a laboratory from reaching other areas. The constant influx of air directs flow through biological safety cabinets and fume hoods where the air can travel through filters. In this video, a laboratory technician notices that the flutter tape, indicating the direction of airflow, is showing that air is moving out of the laboratory instead of into the laboratory. What should this technician do next?

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directional airflow Laboratory Safety incident near miss risk Hazards