Category: Industrial Hygiene

Model 500 reaches elevated heights

A manufacturer of steel office equipment wants to provide appropriate ventilation for the workers in the welding cells at the factory. Inside the cells, which are about 175 cubic feet in size, welders do MIG welding on carbon steel 8 hours a day. MIG welding, like all types of welding, produces combustion-derived nanoparticles that are… Read more »