Document oDk6BVDD98mnZLReY8rqBQoqr

FILE NAME Colonial Sugar Refinery CSR DATE 1951 Oct 26 DOC CSR203 DOCUMENT DESCRIPTION Govt Memo RE Tabulation of Dust Counts from Wittenoom Gorge GOVEOFRWEN STEM RN AE USTN RALT IA FED.618 FED.618 Your Ref 818/51 Department of Public Health 57 Murray Street 26th October 1951 THE UNDER SECRE FOT R A MINRESY| coopte s+ With reference to your memoranduomf the 27th September 1951 : cei . In the Tabulation of Dust Counts from Witten^anis forwarded under your hem of 21st September it is assumed that the counts refer to p.p. 0.0 The upper permissible limit of asbestos dust for a working atmosphere is 176 p.p. 0.0 It will be noted that many of the counts are far in excess of this The method of count is unknown and although there is no known really satisfactory method it is highly probable that the one used excluded many long fibres from the count because of their reluctance to enter a machine of the Watson Komimetar type Unlike normal silicosis where small particles are the danger the main hazard in asbestosis is from the longer fibres and these will probably be in excess of anything indicated in the counts Asbestosis produces more rapid fibrosis of the ling than silicosainsd is more liable to superimposed infection It is therefore apparent on the data submitted that conditions are far from setisfactory and in the interest of the health of the workers this Department must investigate the matter further and press for immediate improvement of supervision and working conditions at Fitteroom Sgd L^nleyBensell * COMMISSIONER OF PUBLIC HEALTH | INSFOFELC ANET S OO FFIR CI PLAINTIFF'S Bayone Bayone EXHIBIT | PENGAD PENGAD