Health Care Facility Management
As deadlines approach for complying with OSHA's GHS-aligned Hazard Communication Standard (HazCom 2012), environmental health and safety (EH&S) professionals' questions are becoming tougher. To better prepare you, this session examines questions frequently asked by informed EH&S…
Positive vs Negative
Operating room and protective isolation = Positive
Airborne isolation = Negative
When the total CFM from supply air (1&2) > than the return air (3), the room is under positive pressure and the air will flow out of the room.
When the CFM from the return air (3) >…
A building’s HVAC system is designed to perform several tasks: filter, cool, heat, humidify, dehumidify, pressurize, and/or exhaust. Each of these tasks affects indoor air quality. For example, if incoming air is not properly filtered, excessive dust from the outdoors is drawn into the building.…