Document 3NpYLyEOG7rOmn2KBGVr2M490

t i I 27 companies produced chrysotile asbestos fiber: Atlas Minerals Corp. and Coalinga Asbestos Co., Fresno County; Pacific Asbestos Corp., Calaveras County; and Union Carbide Corp., San Benito County. The latter company processed the crude material in a plant at King City, Monterey County, whereas the other producers operated plants near the mine sites. 171 Amphibole asbestos was mined by Powhatan Mining Co. near Burnsville, Yancey County, N.C. Their output increased 66 percent during 1966.171 There are four chrysotile mine6 in Arizona in the Salt River Valley near Globe. Since these mines are underground, only the waste needs to be considered in connection with air pollution (other than the possible pollution from transporting the mineral). Nearly all of the output from these mines was used in the cement industry to manufacture asbestos cement and building products: 28 percent was classified as filter fiber and 2 percent as spinning grade; the rest consisted of sand and waste, floats, or other short fibers. Jacquays Mining Corp. operated the Regal and Chrysotile Mines and shipped the ore to a company mill at Globe after hand-sorting the chrysotile. Western Asbestos Manufacturing Co. operated the Phillips Mine, and the Metal Asbestos Corp. the tucVy Seven Mine.^7^ In Vermont, the Vermont Asbestos Mines Division of the Ruberoid Co. quarried and processed chrysotile near Lowell in Orleans County. Twenty-four grades were produced for spinning, cement stock, paper stock, and other uses. Some waste rock 8000 1440 PRODUCED BY FORD