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FILE NAME DuPont DUP DATE 1972 June 6 DOC DUP148 DOCUMENT DESCRIPTION Memo from W.L. Sprout M.D. RE Asbestos Conference - June 2 1972 ; June 6 1972 DATE & MASTROIANNI INC FORMAROLI o John Camer CamerCamer John Ery Defat Also extended for CERTIFIED SHORTHAND REPORTERS I I L. Linch Medical Division . E. Neeld Jr. M.D. Medical Division L. V. Thatcher Chambers Works Construction L. Sprout M.D. Medical Division Rd Rd ASBESTOS CONFERENCE - JUNE 2 1972 In addition to the scheduled presentations as on the attached agenda Dr. John Zapp Conference Chairman summarized the history of governmental concern and administrative steps in the attempt to limit worker exposure The ACGIH suggested a 5 fibers standard but organized labor is pressing the Department of Labor to adopt a permanent standard of much less such as 1 or 2 fibers NIOSH has written a criteria document which contains a recommended standard of 2 fibers The emergency standard currently in effect expires this week so the Department of Labor is expected to make an announcement some time this week Dr. Zapp feels that in an election year there will be considerable yielding by the Department to political pressures The NIOSH criteria document also makes recommendations for surveillance of exposed workers defined in the document as anyone exposed to 1 fiber or more regardless of his listed occupation or duties These include 14 x 17 chest ray films specifically PA and all lateral routine laboratory work and FEV every 2 years for normals and annually and FVC determinations workers with demonstrated changes or impairments Except for the lateral chest ' ray Chambers Works routine medical surveillance should be in compliance History and physical examinations are also included in the recommendation so this must be considered in any future proposals to omit physical examinations in favor of multiphasic screening of asymptomatic employees These examinations should all be repeated at the termination of employment all records retained for at least 20 years - Both Commander Sam Berboo U.S. Navy Industrial Hygienist and George George E. Lang III of Du Pont Engineering agree that a 2 fiber standard will mean the end of asbestos insulation in its current form and can be met only by substitution of other materials fiberglass chiefly developed to Dr. Zapp hopes that new mastics can be capture asbestos fibers and prevent them from becoming Page 2 June 6 1972 Asbestos Conference > June 2 1972 airborne If the standard is adopted the personnel surveillance necessary to document safe asbestos fiber levels will be so expensive that even the use of Nomex fabrics for insulation might be economically preferable The technical presentations by Drs Hubiak will be distributed later in NIOSH criteria document Reinhard Trochimowicz and writing with a copy of the WLS jic Attach ASBESTOS SEMINAR June 2 1972 8:45 a.m. 8:50 a.m. 9:05 m 9:30 a.m. 10:00 a.m. 10:30 a.m. 11:00 a.m. 11:45 a.m. 1:00 p.m. 1:45 p.m. _ 2:00 p.m. 3:30 p.m. Introduction Types and Uses of Asbestos Health Effects of Exposure to Asbestos Changing Requirements under OSHA COFFEE BREAK Medical Surveillance of Asbestos Workers Surveillance of Working Environment | LUNCH Means of Dust Control Potential Substitution of Asbestos in Insulation .. _ Discussion of Topics Adjournment R. J. Hibiak C. F. Reinhardt M.D J. F. Morgan H. J. Trochimowicz R. J. Hubiak - Com S. Earboo USN G. E. Lang III