Asbestos, Lead & PCB ’ s. James Biddle, MS, CIH Northern Arizona University Environmental, Health & Safety. What is Asbestos? A Rock!. Naturally occurring magnesium silicate mineral. Most common types of asbestos are Chrysotile Amosite Crocidolite
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James Biddle, MS, CIH
Northern Arizona University
Environmental, Health & Safety
NAME: ChrysotileCOUNTY: Gila
REMAINS: Six mining buildings still standing, one modern building. Very large tailings pile, many mines. Chrysotile's post office was established June 27, 1916, and discontinued July 15, 1933. Asbestos was the mainstay of the Chrysotile mine located in Ash Creek. Chrysotile is named for the type of asbestos that was mined. In particular, asbestos from Chrysotile was used in the building of Hoover dam in Nevada.
In general, US based companies don’t use asbestos anymore, but never banned in USA
Thermal pipe insulation
Glues or mastics
Rugs and carpets
The Asbestos Epidemic
Deaths from Asbestos-related diseases
Number of deaths per year
G-I tract cancer
Exposure to lead occurs in at least 120 different occupations including