Creating a Negative Air Environment

When dealing with mold it is essential to create a Negative Air Environment. In order to achieve negative pressure, more air must leave the space than the amount entering it. The goal of creating a Negative Air Environment is to promote the action of air rushing into the environment when a door is opened or a containment breach occurs. This action effectively prevents dust and other particles from escaping the containment area. 

The process of creating a Negative Air Environment begins with constructing an airtight containment barrier. The containment barrier is created by using existing walls, ceilings, and plastic sheeting where needed. This is essential because when mold is disturbed, the spores become airborne and can spread. The containment barrier will prevent the airborne particles from spreading to any areas that were previously unaffected by the mold.

The second step in the process of creating a Negative Air Environment would be to place HEPA-Filtered Portable Air Scrubbers inside the project area. The Air Scrubbers draw in the air from the surrounding environment and filter it to remove contaminants before exhausting it back into the environment. The HEPA-filter traps and blocks small particles and prevents them from re-entering the air. HEPA-filters  are designed to capture 99.97% of particles that are .3 microns and larger. A .3 micron particle is 300 times smaller than a human hair and up to 50 times smaller than the human eye can see. HEPA-filters  are tested and certified to provide "operating room clean" filtered air.  It is also necessary to create an exhaust system to run the HEPA-filtered air to an area outside of the containment; preferably outside the building. It is safe to exhaust this air outside of the containment because the air has been HEPA-filtered.