Document XOoNop4zVRbrd32Ga83v6maZy

FILE NAME: Westinghouse (WH) DATE: 1972 Mar 1 DOC#: WH022 DOCUMENT DESCRIPTION: Letter RE Product Info for Kaylo Materials iTn- 'w 'il 5u2----u JS 2 IT S3 u- / - OWENS-CORNING FIBERGLA S CORPORATION FIBERGLAS TOWER. TOLEDO. OHIO 43659. (419) 259-3000 March 1, 1972 A.^ ^7^r/cX )j /J> 5 - m / o z \ H. V. Speicher, Adainistrator Hdqtra. lad. Hygiene TOO Braddock Avenue East Pittsburghi 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 jealcium silicates containing about 15< asbes t o s . and less than 15f free Si 0_. These tests are conducted by our own OGF laboratories, as well as some work of an I.H. nature, carried out by 6. 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 proprietory 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. GEDscls Sincerely, , O ' S. Gerald E. Devitt, Chief Industrial Hygienist 03111927 NNB0-0005I41