Document 3eE9QGjGjY1LpJZpVxpwO4MbE

FILE NAME Keene KNE DATE August 4 1970 DOC KNE036 DOCUMENT DESCRIPTION 1970 Aug 4 Memo from Underwriters Laboratories Inc re June 1970 Meeting on the Health Hazard of Asbestos Fiber <UNDERWRITERS LABORATORIES INC < 333 PFINGSTEN ROAD NORTHBROOK ILLINOIS 60062 an independent profit organization testingfor public safety H. PLAINTIFF'S EXHIBIT 105 Bayone PENGAD PENGAD PENGAD PENGAD August 4 1970 TO Listees of Applied Protective Materials SUBJECT Meeting of June 17 Asbestos Fiber 1970 on The Health Hazard of Gentlemen Under date of May 15 1970 we sent a letter to each of our Listees of Cementitious Mixtures and Sprayed Fiber materials requesting a meeting to discuss the health hazard of asbestos fiber The meeting was held on June 17 1970 at our Northbrook Office Attached is a list of those people ~ attending the meeting brief For the resume of benefit of those unable to attend the discussion at the meeting this is a Because appeare had ve contributed largely to the recent attention to applied materials containing asbestos a brief review was conducted of Asbestosis and Neoplasia April 1967 The American Journal of Medicine and The Magic Mineral October 1968 New Yorker Considerable discussion followed and some representatives took issue with the conclusions of the articles It was stated that the health hazard to the general population by airborne asbestos fibers was without factual foundation Reference was made to an article entitled Asbestos and Health in 1969 October 1969 American Review of Respiratory Diseases as a balanced review of the health hazard of inhaled asbestos fiber Continued discussion pointed out that there be three problem areas associated with the spraying protective materials as follows appeared of fire- to -:. _.-:., aa . 1. It appears to be agreed among those present that there is a problem of materials becoming ariborne at the job site and distributed about the neighborhood causing a general air pollution problem However there was disagreement as to whether this pollution is in fact a cancer causing health hazard I0210200 I0210200 I0210200 -2- August 4 1970 Ly 2. There appears to be agreement that there is a ' ae health hazard to workmen on the job site if proper precautions are not taken to avoid inhaling airborne fibers by isolation Toe fi of the spraying operation from other workmen the use of masks thorough housekeeping and the proper handling of contaminated clothing by spraying personnel 3. There may also be a health hazard to the occupants of a building if for example particles are sloughed from the protective materials and become airborne as in return air plenum systems It appears that Items 1 and 2 are of immediate concern Item 3 however has not been reported to be a problem to anyone's knowledge at this time the It was pointed same questions and out that Great Britain has been studying for a longer period Information on the subject can be obtained from The Asbestos Information Committee 10 Wardour Street London England WIV 3HG We were advised that the Sprayed Mineral Fiber Manufac- turers Associatioins Recom a m Ree conmmdenededd Code of Practice for the Application of Fireproofing Materials which should be available in the near future Mr. E. N. Davis urged submittal of the Code to American National Standards Institute for adoption as evidence that the industry was striving to solve a recognized problem and on a national standard level It was pointed out that U.L.I. had an obligation to supply information to locat inspection authorities on the proper application of Listed materials Accordingly one solution would be to include such instructions on the bags of material application or a reference on the bulletin containing a bags to specific proposal instructions A is being prepared and -----. will be sent out shortly an This concluded the discussion on the health hazard of asbestos fiber I 0349289 -3- August 4 1970 The guests were invited to discuss implementing implementing the new reconvene criteria after lunch to ratings to be be contained in for resistance tories is ASTM E119 and UL263 The Labora- considering considering new methods of presenting resistance struction type of indexing new The grouping could preceding Floor and be similar to the method Ceiling Assemblies in the meeting The for Laboratories wishes to thank those their time and valuable comments attending the ~ bja UNDERWRITERS ' LABORATORIES INC R 8Parks R. L. PARKS Associate Managing Engineer Fire Protection Department I 0349290 Attendance at Meeting of June 17 1970 - Name James L. Kempthorne A. C. Richardson Company Sprayon Research Corp. Atlas Asbestos Co. Te H. J. Corson William K. Curtis C. M. Brasker Morris Lieff Lee Jenne - Dick Kempthorne Larry Gropp Bill Medlyn R. J. Wenk Fred Kastner Edw N. Davis Jack A. Bono Henry Marraffa Midwest Mechanical Packing Co. | National Gypsum Co. Philip Philip Keene Corp. - Sound Control Div Sprayon Research Corp. United States Mineral Products Co. United States Mineral Products Co. U. S. Gypsum Co. U. S. Gypsum Co. Underwriters Laboratories Inc. Underwriters Laboratories Inc. Universal Fire Inc. George Wright W. P. Raines R. H. Neisel Thomas Egan Underwriters Laboratories Inc. Manville Corp. Renee et Manville Corp. W. R. Grace & Co. Tom Feit W. R. Grace & Co. R. L. Parks Underwriters Laboratories Inc. I 0349291