Document 3QD46EqjkdGxb104VmxMnN9By

---......... ... Appendix H. Glossary ............. ......... . ....... ;l- v.. Asbestos A group of naturally occurring minerals that separate into fibers. There are six asbestos minerals used commercially: Chrysotile, Amosite, Crocidolite, Anthophyllite, Tremolite, and Actinolite. Cementitious Friable materials that are densely packed and nonfibrous. Delaminate To separate into layers. As used here, to separate from the ......... ......... substrate. (Human) Exposure The presence of people in an area where levels of an airborne i ....................... contaminant are elevated. A more technical definition sometimes found in scientific literature is: The total amount of airborne contaminant inhaled by a person, typically approximated by the ............ ................. product of concentration and duration. : (Material) Exposure The amount or fraction of material visible. Fibrous Spongy, fluffy, composed of long strands of fibers. Friable Capable of being crumbled, pulverized, or reduced to powder by ......; hand pressure. _ Homogeneous t Peak levels Similar in appearance and texture. .-` Levels of airborne containment which are much higher than average and occur for short periods of time in response to sudden release of the contaminant. Prevalent levels . Levels of airborne contaminant occurring under normal conditions. Resolve Risk t, . i ? ;To distinguish different objects with a microscope. The likelihood of developing a disease as a result of exposure to a contaminant. ;:.oxv$rJ.zA T.-X'ZpOI'l IC-`I":TCO vxvatiqxk r.oie i z ` y*v>.ir.'.r--:* i . 1. H-1 i \ GLEASON-OO1134