Document zQe86g1KGmXjjqp4MJ0XrwVzg

FILE NAME: Westinghouse (WH) DATE: 1972 Mar 1 DOC#: WH023 DOCUMENT DESCRIPTION: Letter from Owens-Corning Confirming Product Information that Kaylo products contain about 25% Asbestos Of- : 't.crtfro 'w '^ v ---- u-- u C sC iff1 5 OWENS-CORNING FIBERGLAS CORPORATION FIBERGLAS TOWER. TOLEDO. OHIO 4365. (419) 259-3000 March 1, 1972 H. W. Speicher, Administrator Hdqtro. lad. Hygiene 700 Braddock Avenue East Pittsburgh, Pennsylvania 15112 Dear Wilbur, Your letter of February 15, 1972, regarding product information about our Kaylo materials, addressed to our Chembest Division in Bloomington, H I . , has been forwarded to me for reply. These materials are hydrated .calcium silicates containing about_15< aabea^ tqs, and less than 1* free Si 6 . These tests are conducted by our own O C F l a b oratoriea, as well as so&e work of an I.H. nature, carried out by Q. D. Clayton and Associates, whom, I'm sure you realize, has used valid as well as reliable testing methods. Some of this data is of a propriatory nature, and at the same time, will not add to the information you require for proper protection of your personnel. If we may be of any further service to you, please don't hesitate to contact us. . GED:cla Sincerely, c' Gerald . Devitt, Chief Industrial Hygienist 03111927 NNBI-0B05I41