As used to describe material condition, damage is more prevalent or severe than on materials rated as good.

Any uncontrolled or unintentional disturbance of PACM resulting in airborne asbestos fiber emission.

A piece of equipment, furniture, or improvement in the Work Area, which cannot be removed from the Work Area.

Process of cell formation where multiple nuclei are separated within an immature ascus to later form ascospores.

The physical characteristic of any solid that describes its ability to be broken down to a powder or dust. A highly friable material is one that can be easily crumbled by hand pressure. A moderately friable material is one that can be crumbled with some difficulty by hand pressure or by mechanical means. A low friability material is one that may require mechanical means to crumble. While the condition of a material does not constitute a measure of its friability, weathering and deterioration can increase the friability of a material.

Kingdom of eukaryotic organisms that are, in general, consumers of decaying carbon sources.