Controlling Pollutant Pathways

Mouse over the picture above to see messages which are referenced in more detail below.

(Hot Spot around pollution flow, receptacle, and wire chase.)

Remember...“Pollutants can travel through wire chases and contaminate other parts of the building.”
Any cavities in the wall or ceiling of a room with significant pollution sources should be minimized.
In the dramatized picture below, laboratory chemicals are being unintentionally drawn into the wire chase and contaminating the spaces above.
Dust accumulation around any electrical receptacle cover is a sign that air (and possibly pollution) is being drawn into the wire chase through the receptacle cavity.

Mouse over the picture above to see messages which are referenced in more detail below.

(Hotspot: Around the occupant.)

Remember...“Occupant complaints may be caused by sources of pollution in other parts of the building”.
Understanding how pollutants travel through unplanned pathways is a critical aspect of diagnosing indoor air quality problems.