Document MJkZLx1B5E6bv7jrwXzq5keVM

Johns-Manvrlle Sales Corporation Ken-Caryl Ranch Denver, Colorado 80217 (303) 979-1000 April 17, 1981 John W. Teare, Esq. 26 Hollytree Court Hamilton, Ohio 45011 Dear Mr. Teare: Your letter of February 2, 1981 addressed to Johns-Manville Corporation, Asbestos-Cement Board Division has been directed to my attention for appropriate response. After consultation with experts in the area, I have been advised that there are two types of such board manufactured by Johns-Manville which fits your general description: Type V and Type F. I attach hereto documents printed by JohnsManville with respect to our Flexboard product. I would suggest that you have your client review ASTM C-220 Specification which I am advised should provide you all of the necessary technical information that you need beyond that attached hereto. Yours very truly. Francis F. Kethcart Counsel FFK-.kls Enclosures MTC 016764 bcc: D. Lucy (2-10) MTC 016765