Document J3wxewYZEKgomRQEmdz5Z25zr

FILE NAME Colonial Sugar Refinery CSR DATE 1960 Aug 26 DOC CSR197 DOCUMENT DESCRIPTION Letter to Dept of Public Health Perth from Kalgoorlie District Hospital RE Use of Impinger in Dust Counting = JMCN AW Ref 1/815/59 DISTRICT HOSPITAL Waffen Waffen Date 26th August 1960 Dr. .D Ietham Physician Department of Public 57 Murray Street PERTH Health Dear Dr. Letham Impinger . I would not claim that the Impinger is the best instrument for use in counting in the mining industry but in so far as the Asbestos industry is concerned it appears | to be a great improvement on the Konimeter - Mr. Brisbane wrote me a fantastic letter the gist or which was that the Konimeter was the most practical intrument counting was of concentrations mainly of propaganda value were impossible to obtain and accurate estimations This attitude may explain the significant failure of the Mines Department to reduce the incidence of silicosis Yours faithfully --> -- J.McNulty -_ Chest Physician .. R PLAINTIFF'S EXHIBIT Baronas 10337.0