Document RJJRLJKBjB8p04qOJZ99MGQdE

FILE NAME: WR Grace (WRG) DATE: May 4, 1971 DOC#: WRG063 DOCUMENT DESCRIPTION: 1971 Letter to Chicago Commissioner of Environmental Control from TF Egan regarding Mono-Kote Type IV )/ bcc: J. N. Beveridge V R. S. Hove May 4, 1971 Hr. H. W. ?oecon, Commissioner City of Chlcego Department of Environmental Control 320 Um Clerk Street Chicago, lllinoie 60610 m Dear Hr. Foeton: This Is to certify that Mono-Rote Type IV, plaster (ceaentltlous) spray ' fIreproofing, as aanufsecured by Construction Products Division, - it. R. Grace 6 Co., contains Gypsum, Vemlcullte, Cellulose and Air' *, Entraining Agents. Examinations and analysis of this product have been sede by Arthur 0 Little, Inc., and classify chemical species and particle size. They attest that no asbestos fibers were observed in any samples examined. The listed ingredients of Mono-Rote Type IV have a long history of use. In fact, both veraicullte and cellulose have been used in food processing and/or feed systems for animals and have been granted the necessary approvals of food and drug agencies. Should further data be necessary, including the A. D. Little report, please advise. While this data is given freely at your request, it is requested that it be treated as, confidential and proprietary. . Yours truly. Thomas T. Egan, ?.E. Manager, Fireproofing Products TlR/lac . Sworn to and subscribed before me. 20109076