General room ventilation does not effectively control personnel exposures to hazardous levels of airborne chemicals. Consequently, laboratory hoods are required to contain chemical vapors and gases at ...

Adding to its extensive line of hazardous and non-hazardous location ventilation blowers, General Equipment Company introduces the EP16ACP axial-flow confined space ventilation blower. Adding to ...

(CBS) -- A large hazardous materials response ... The liquid migrated toward the laundry room and eventually spread throughout the ventilation system, police said. As a precaution given that ...