Fume hoods are the most important engineering control when working with hazardous chemicals in the laboratory. Fume hoods work by drawing air from the laboratory into the hood and exhausting the air …

This section focuses on fume hood filtration systems, including those that use water (e.g., wet scrubbers) and fume hood wash-down systems. It also describes systems that do not use water that …

Fume Hood Operation and Maintenance To ensure your fume hood is functioning properly, consider the following before, during and after use:

We have spent countless hours creating this manual — it includes the latest fume hood safety procedures and best practices. It also includes valuable installation and maintenance information that …

These hoods contain water spray systems to wash down the interior of the hood, ducting, fan, and stack to prevent accumulation of explosive perchlorate crystalline material.

Keep all equipment and materials inside the fume hood at least 6” from the sash opening, hood slots, and airfoils, to maintain proper airflow in the hood. Elevate equipment and containers 2 to 3 inches …

The fume hood is often the primary control device for protecting laboratory workers when working with flammable and/or toxic chemicals. Do not permanently store any chemicals inside the hood. …