Document M44zgL0gON8a91V2eKn71wJka

GRACE TO: E. S. Wood J. W. Wolter 4^-" B. R. Williams W. R. .Hanlon H. C. Duecker FROM: R. C. Ericson CC: R. A. Merther Construction Products Division DATE: August 4 , 1978 SUBJECT: M.S.D.S. MONOKOTE FILE: M.S.D.S. MONOKOTE There appears to be agreement that we ought to have a Material Safety Data Sheet on MONOKOTE. The purpose of this memo is to present two options for the format with the objective of accepting one of the two, so that we can respond to pending requests. It may also be possi ble to use option 1 plus the technical bulletin on a selective basis. Both versions face up to the two key issues "Airborne Asbestos Fiber and Free Silica" in the manner outlined below: M.S.D.S. SECTI01J II - HAZARDOUS INGREDIENTS Option #1 The physical handling of MONOKOTE fireproofing during application can create a nuisance dust level in excess of OSHA Standards. Normal in dustrial dust control practices should be followed. Option #2 Contains trace quantities of Tremolite, a natural occurring impurity, classifiable as asbestos by OSHA Regulation 1910.1001 (refer to attached Technical Bulletin). The physical handling of MONOKOTE fireproofing during application can create a nuisance dust level in excess of OSHA Standards. Normal in dustrial dust control practices should be followed. M.S.D.S. SECTION V - HEALTH HAZARD DATA Option #1 TLV: Dust - Respirable Fraction 5 MGM/M3 - Total Dust 15 MGM/M3 Option #2 TLV: TLV: Dust - (Respirable Fraction 5 MGM/M3- Total Dust 15 MGM/M3) Asbestos 2 Fibers/cc 8 hr. TWA 10 Fibers/cc max. (See Attached Technical Bulletin) D009391 15193136