Asbestos Contractor/Supervisor Training Questions & Correct Solutions

Asbestos Contractor/Supervisor Training Questions & Correct Solutions Chrysotile - ANSWER The only asbestos mineral found in the serpentine group and the most common in the USA at 90-95%. "White Asbestos" Amosite - ANSWER Second most likely found asbestos. "Brown Asbestos" 5-10% Crocidolite - ANSWER "Blue Asbestos" 1-5% Actinolite - ANSWER Can be in vermiculite (often associated with Tremolite) no current production. Tremolite - ANSWER Can be in Vermiculite. Some current production in India. Anthophylite - ANSWER Rare. No current production. Serpentine - ANSWER Long-wavy structure Amphibole - ANSWER Short; rigid structure; most hazardous Friable ACM - ANSWER can be crumbled, pulverized, or reduced to powder by hand. > 1% ACM Non-friable ACM - ANSWER cannot be pulverized by hand. > 1% ACM Three categories of ACM in buildings: (according to EPA) - ANSWER Surfacing Materials (sprayed or troweled) Thermal System Insulation (TSI) Miscellaneous (ceiling tile, drywall, floor tiles) What is the typical latency period for asbestosis? - ANSWER 10- 20 years What part of the lungs does asbestosis affect? - ANSWER the alveoli What is the typical latency period for Mesothelioma? - ANSWER 30-40 years What part of the lungs does Mesothelioma affect? - ANSWER affects the mesothermic layer of the lungs What is the typical latency period for lung cancer? - ANSWER