Document 5kVEyQ08rYemRva03BRx8YNDR

bee: J. X. Beveridge R. S. Hove WRG 002203 ( *" ' 'S(>l May 4. 1971 Mr. H* U. Poeeon, Conwrlealonar City of Chicago Department of Saviroaaental Control 320 H. Clerk Street Chicago, Illlnoia 60610 Dear Hr. Poeton: Thla la to certify thae Mono-Kota Type IV, planter (cementitious) apray fireproofing, aa aanufaetured by Conacruetlan Prodaets Division, tf. R. Grace & Co., contalna Cypsua, Vemleullta, Celluloee and Air* Entraining Agents. . : Examinations and analyala of thla product have been sade by Arthur D Little, Inc., and claaalfy chealcal apedea and particle aize. They atteet thae no aabeatoe flbera were obaerved in any aanplaa exaelned. The liatad ingredienta of Kono-iCoea Type IV have a long hie Cory of uee. In fact, both veralcullte and celluloee have bean used in food proeaaalag and/or feed ayateaa for eniaela and have been granted the nacaaeary approvals of food and drug agenelaa. Should further daea be necesaery, including the A. D. Little report, plaeee advlae. Vhlle Chi* dace la given freely at your request, it la requestad thae It be treated as confidential and proprietary. - Yours truly. TTE/Jac Thomaa V. Egan, ?.Z. Manager, Fireproofing Products Sworn to and subscribed before me, this day of , . 1971 ---------------*" ~ " --/ . (Notary Public) 20109075