Black Particles in Homes
This is from tapelift in an in-home office in Redmond,
Washington, hundreds of miles from the nearest wildfire. The black
particle in the center of this image is a tire wear particle.
Transmitted Off Crossed Circular Polarized Light
Definition/Function:
Tire wear is a common particle type in homes, offices, and classrooms.
Significance in the Environment:
Indoor environments not exposed to wildfire often contain black particles in excess of
1% of the total particulate matter. The amount of
charred wood alone can exceed 1% in some of these homes, especially if they or their
close neighbors use a fireplace or woodstove.
Characteristic Features:
Associated Particles:
References:
