Document gaxJGO1KXVM2VDp457jaEO2jJ

ATI-149 A3BBT03 TOT.IIJ BST1TTO IN ATTENDANCE* UKEsT MUIHLECX, Chalmia Keasbey & Mattison Co* ? J# AFtSTRONB, Johns-teanville Corp* ?. D. CANKOK, Johns-Manville Corp* MDWTE3 of the neeting of the Sub-Cociaittee of the Duet Control Ccnmittee held June 13, 1946 at the Engirsoers' Club, 7bila Pa* b. ?, urprsffiEscia, Raybeatoa-iitochjitton, Zne, ?* C*, TnVo3u0nK, Ihiladelphia Aaboatoa Co* HARRIS d* KeK2NNE Inatltuta Manager Tba Chairman-opened the seating by outlining the aesigtaent of the Sub-Coscrittaa, stating that it tu their responsibility to analyze the lettora and reports frea the various aasbcr ecopanios wherein they gave facts on duat datamlcatfoa and control procedures in their respective plants. Copies' of the letters and reports frees neaber coopsnies were given to all those presents These were read end then open diseussion was held on the various procedures. Consents and reccmendatlone were cade as followst 1. (A) lfce lettars and reports clearly indicated the iaportenee of the dust control problem to all aeaber companies, and the need for insedieto cooperative action* (B) At present, there is wide variance in individual company procedures for measuring, exhausting and collecting eabeetos dust* (C) It is the raeoaseadation of the Duat Control Ccaaittee that contact be cade lisnediatoly with the proper Sealtb Dopartaent3 pr officials of (1) The U. 3* Federal Government (2) The Statos wherein Berber plants are looatad (3) The Mellon Institute (iO The Metropolitan Lifo Insurance Co* t 2 ATI-149 , , , for purposes of preparing a tentative program aimed at bringing to member companies tha assistance of qualified technical and medical counsel(D) Tha conaittoo also sacoanonds that, pending the preparation of aueb a plan, the following points be eonsiderodt (1) Pro-employment and periodical chest X-Rays to be made, ' analysed and reported upon by a reputable Roentgenologist (2) The method of dust count determination to be used by the member companies, or their outside consultants, should be the standard Groenburg-Staith Impinger method as described war * in 'The Impinger Duet Sampling Apparatus9 as used by the ' U. S Riblie Health Servlet, Aihlis Health Reports, 3/16/ Vol. 47* Nn* 12, Government Printing Office, Vasbington, 9 C. Tha msthod is also described in detail in the 'Analytical Chemistry of Industrial Poisons, Hazards, an* Solvents* by Uorsis B Jacobs (1914), Intersciencs htb- Ushers, Zne*, New York City, On page 114, Jacobs atatoi 'The Greenburg-Smith Impinger is tho standard instrument * in the V* S for the eolleatlon.of duets', Ha quotos th American Publie Health Association Yearbook, 1930-40, pa. 92, as an authority for this statamsat, e (3) In the analysis of the exposures, it is Impartial to det mine as accurately as possiblt, the followingi (a) the asDunt of dust in tha sir from the various industrial operations (this to be oxpreaaed in toms of millions of partleles per cu. ft, of air sampled) ATI-149 99 ' -3 * ' (fc) tha aiza of duat pertlelea measured microscopically (a) tha mlnaralogical composition of duat with partie* ular reference to quartz ecatant and designated as tha percent of froa allies or quartz. (IfOTSi a description of tha Bathed of determination under (a) and (b) above ia eovarad in tha attached copy of letter from 3 f. Fohael, Director of Icduatriel Hygiene laboratory and Field Serries.) 2< The Coamittee further reeamenda that the problem of asbestos dust ho eon* aidered at its source i*e.* by the reduction of dust through dampening * of yarn, in wearing and braiding operations* Every effort should bo mio by the Management of each firm to ecmvince tha Salaa Divisions of the neeessltyt economy and health advantages that would result thereby. It was generally agreed that many of the present saloa objections to aoiature^controlled products really have no foundation* J Ms, Cannon said that be would obtain for testing in the Johna-Manv.illa . Corp* plant* avery type of respirator mentioned in the member company reports* and at o lator date would roport thereon to the Cooalttoe* There being so further business before the meeting* motion for adjournment was saved seconded and passed* - ERNEST mSxLSCX, Gisinsan