Document wL5L625Vm1GnqyEVBX1bNELo

FILE NAME Keene KNE DATE 1970 June 4 DOC KNE060 DOCUMENT DESCRIPTION Letter from Keene RE Fireproofing Osteopathic College with Reference to Asbestos Containing Products June 4 1970 Mr. Isadore Caplan Structural Engineer 1831 Chestnut Street Philadelphia Pa 19103 Dear Mr. Caplan Re Fireproofing Osteopathic College ~ Our Mr. Charles Wall has suggested we write you pertaining to asbestos content of fireproofing products Our Pyrospray Type I fireproofing formulation contains 32 Chrysotile asbestos by weight for the application required a 3/8 thickness of Pyrospray would be applied to beam surfaces Thus the total amount of asbestos present per square foot of exposed surface would be 0.11 pounds From information received and published should the fireproofing be installed using Kote a 1/2 thickness of material needs to be applied and the resulting asbestos content per square foot would be 0.09 pounds the asbestos When comparing the two products it can be noted content based on the volume of material installed that be- significant With respect to fireproofing being installed in buildings we are enclosing a copy of an air erosion test report the results of which are in keeping with G.S.A. cribing the test procedure closed Standards A in the G.S.A. copy of the reprint desrequirements is also en- . Some time ago the Sprayed M^nefaltManufacturers Association engaged the serviced of William R. Bradley and Associates Environ- mental Health Consultants to determine the presence of asbestos fibers in buildings fireproofed with sprayed mineral fiber products DOCUMENT ENTITLED TO CONFIDENTIALITY SON IINDEPENDNENT DEPENDENT CONSTRUCTION SCHOOL FILE C5-84-1701 C5-84-1701 CONSTRUCTION INC THE CONFIDENTIALITY PURSUANT TERMS WHICH TERMS PORATES THE AGREEMENT AGREEMENT N. PLAINTIFF'S , EXHIBIT 406.0 406.0 406.0 PENGAD *. Mr. Isadore Caplan June 4 1970 Page 2 You will note that the report states that it has been determined by air sampling and microscopic evaluation that there is no exposure to asbestos fibers of respirable size in the work environment of the buildings tested For your interest we are also enclosing a copy of a study recently conducted in England entitled A Dust Survey Carried Out in Buildings Incorporating Asbestos Materials in Their Construction note the last paragraph on Page 145 which reads as follows Please In our present state of knowledge the dust concentrations found in completed buildings incorporating asbestos products in their construction are not considered likely to constitute a hazard to the health of the ooccupants We appreciate your interest and concern relative to asbestos fibers and hope you realize that a lot of the adverse comments have been by a number of people who are uninformed of the facts We hope what is being submitted will prove of value and if we can be of any help in the future may we have the pleasure of hearing from you eee. Very truly yours KEENE CORPORATION Sound Control Division Lee C. Jenne Manager Spray Products jca Enc CC Messrs Leek Wetherby Gruttemeyer Bretherton Wall PROPRIETARY CIONDNEDSPOTECRNUUDMCEENTNTITON DISCOVERABLE TERMS THIS DOCUMENT CONTAINS DOCUMENT IS PRO- INFORMATION THIS INDEPENDENT SCHOOL JUCED IN THE CASE ENTITLED INC DISTRICT NO 622 BOR THE PURSUANT TO AL FCI ONLFIEDE8N4TI-A1L7I0T1Y AGREEMENT WHICH INCORIN THE OF THE PORATES THE PROTECTIVE ORDER ENTERED RE CASE ENTITLED IN STATE AND REGENTS BUILDING . ASBESTOS CASES FILE NO 99081 AND 99082 ON NOVEMBER 5. 1986 10353013