Document evDDMk1mqYv1QMXNEbNB5D7By

Pacific Asbestos Corporation COPPEROPOLIS, CALIFORNIA *5221 TELEPHONE 209/783-2201 TLX 3S9SB CABLE ADDME3! CHRYSOTILE April 11, 1972 Mr. Ralph W. Grigg Commodity Purchasing Manager Kaiser Gypsum Company, Inc. Kaiser Center Oakland, California 94604 Received APR 12 )0J2 Dear Mr. Grigg: This is in response to your letter of December 27, requesting Health and Environmental information in the use of asbestos fibres. As you recall, -we have discussed this verbally, and I have had the pleasure of two meetings with Mr. Sheahan at Antioch. I shall try to put down on paper the essence of the information and discussions as they may apply to your manufacturing and to the end use of your products which include asbestos. Please bear in mind that there are myriads of publications , regulations, agencies and people involved in this Health-Environmental bit, and that there is a rather high degree of conflicting facts ( and fancies). Time will aid in removing some of the current emotionalism, but in the meantime our industry program should be to get our houses in order. Now to your request (I shall refer to your item numbers): 2. There is evidence that mesotheliomas and neoplasms may be caused by asbestos dust. The fibres we produce are 100% Chrysotile. a AonrvAO A ro Ralph W. Grigg -2- April 11, 1972 2. a. Wet: perhaps water soluble bags Dry: Respirators, good housekeeping, dust emission control. b. Cut and fill or pulper disposal.Shroud and hood with negative pressure vacuuming. c. Per Govt.regulations ( Bur. or Mines or OSHA). ` d. Unknown at present e. Not possible 3. Joint Compounds Respirators where dust prevails. Good housekeeping and monitoring. Wall Textures: Slurry into no^le. Ceiling Textures: Disposal into bags a. Enclosed mixing b. Minimize overspray, respirators, good housekeeping. c. Clean up while product still wet. 4. a. Federal: Environmental Protection Agency and Occupational and Safety Health Act regulations. b. Some of those are in process, but have not been made effective. I hope this will assist you. We certainly do not have all the answers. As more information becomes available, we shall pass it on to you. RJTrms cc: Mr. J. S. Sheaian Kaiser Gypsum Company, Inc P.O. Box 460 Antioch, CA 94509 f* cff~ Ic ftS 1 2 I3?z i * April IX. 1972 <- v]U Mr, Ralph W. Grigg .Commodity Purchasing Manager Kaiser Gypsum Company, Inc. Kaiser Center Oakland, California 94604 Dear Mr. Grlggt This is in response to your letter of December 27, requesting Health and Environmental information In the use of asbostos fibres. As you recall, wo have discussed this verbally, and I have had the pleasure of two meetings with Mr. Sheahan at Antioch. I shall try to put down on paper the essence of the information and discussions as they may apply to your manufacturing and to tho end use of your products whioh Include asbestos. Please bear In mind that there are myriads of publications , regulations, agencies and people involved In this Health-Environmental bit, and that there is a rather high degree of conflicting faots ( and fancies). Time will aid in removing some of the current emotionalism, but In the meantime our industry program should be to get our houses in -order. . Now to your request (I shall refer to your item numbers): ' 1. There Is evidence that mesotheliomas and neoplasms may be osused by asbestos dust. . .; V The fibres we produce are 100% Chrysotlle Ralph W. Grlgg -2- Aprll 11, 1972 I /V .2 Weti perhaps water so'ludble bags ' JDryt Respirators, good housekeeping, duBt emission control. ' *. b. Cut and fill or'pulper disposal,Shroud and hood with nogatlve pressure vaouuming. , , t t * e. Per Govt, regulations ( Bur. or Mines or OSHA.)._ d. Unknown at present ' ' l\ . * -S * . , '* e. Not possible . "^ 3. Joint Compounds Respirators where dust prevails. Good housekeeping and monitoring. . Wall Toxturest Slurry into no^le. . Colling Toxturoet Disposal Into bags a. Enclosed mixing . b. Minimize ovorspray, respirators, good housekeeping, c. Clean up while produot still wet. 4. a. l/, Federali Environmental Protection Agenoy and Occupational and Safety Health Aot regulations. b. Some of those are In process, but have not been made effective. I hope this will assist you. We certainly do not have all the answers. As more Information, bcoomes available, we shall pass it on to you. - . ' RJTtms j/'CCl Mr. J. S. She&fon Kaiser Gypsum Company, Zhc. P.O. Box 460 . Antiooh, CA 94509