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FILE NAME Colonial Sugar Refinery CSR DATE 1965 DOC CSR068 DOCUMENT DESCRIPTION Letter to Dr. Boyland Senior Inspector of Mines from Dr. McNulty with Govt Inspection Results Zz DEPARTMENT OF PUBLIC HEALTH . 57 MURRAY STREET PERTH Mr. J. Boyland Department SWeinnesior KALGOORLIE V.A. of Mines ,. Department , 3 25th October LETTERS GOK 914 MATH SPD TELEPHONE 8 UK thethe CCALMIS SIGNS OF PUBLIC HEALTH HEALTH 1965 Dear Mr. Boyland I recently visited Australian Blue Asbestos and was pleasantly surprised at many of the improvements made However dust is still obviously a problem and conditions whilst much better are still below that achieved in the gold mining industry New cases of silicosis and asbestosis are still being diagnosed each year but there is room to hope that the length of exposure is increasing and that men may work for longer periods with less chance of developing lung disease + As you know there has been much criticism of the konimeter as an instrument for dust sampling in the asbestos industry and its continued use was justified because counts were so high that more sophisticated instruments were unnecessary I never really subscribed to this theory It is imperative now that more advanced methods of dust sampling be used and I would be grateful if this could receive some attention Dust sampling surveys should include Lo 2 The number of querts particles of respirable size i.e. less than 5 microns b The number of fibres of respirable size i.e. less than about 40 microns c Allow sone estimate to be made of the individual worker's total exposure I know that your inspectors ventilation are efficient and knowledgeable and I don't wish to interfere in any way with your duties and responsibilities However . Dr. Gordon Smith Director of the Occupational Health Section of the Commonwealth School of Hygiene and Tropical Kedicine New South Wales accompanied me to Wittenoom and offered to send his dust sampling inspector Mr. B. Major to do a detailed survey of the mine and mill at Wittenoom I have heard Mr. Hajor spoken of very highly as an expert certainly in this field His survey would of value and I think it would be a wonderful opportunity for your inspectortso widen their experience new techniques even if in the end and you perhaps develop feel that his methods are impracticable and no improvement on present techniques The question of cost hasn't been raised but my impression is that the Commonwealth would finance it There was no discussion in regard to timing but a possible time might be April 1966 good example of the difficulty involved in dust sampling is Stubbs Comet Hine at Harble Bar His 200 ^' n~ g . ; PLAINTIFF'S EXHIBIT Bayon e 105180 105180 PENGAD OOo LeETis Se ee Se MUJINALIM EL MUJINAL MUI JINAM LIM DEPARTMENT OF PUBLIC HEALTH 57 MURRAY STREET PERTH dr dr J. Boyland Senior Inspector of Mines KALGOORLIE 4.A. 4 25th October 134 6.P. -P>ERTH PERTH 151 ELEPHONE 0 the COMMISSIONES COMMISSIONES OF PUBLIC HEALTH 1965 2 treatment mill was very dusty in places but it possible that much of the dust is comparatively because of the absence of quartz and the nature ore body is harmless of the Your comments on the above would be greatly appreciated It might be that your ventilation inspectors don't feel that any purpose would be served by Mr. Major's visit If so let me know No arrangements of any kind have been made Yours sincerely Jimat Jimat J. Mefulty FHYSICIAN OCCUPATIONAL HEALTH to om yeneeemereprs merece eres . ya 4 Dances mi reference ie... A.J. MURPHY GOVERNMENT OF WESTERN AUSIKALIA MINES DEPARTMENT | 113 | KALGOORLIE 21st July onto 1965 OUR REF. cee ccsteceee scone. a - ; wedges ' . Dr. J. McNulty Physician Occupational Health Department PERTH Dear Jim Many Hexhiet the Hexhiet for sending up the Cassella Samtphlaenrkswhich am now returning Booklet covering ca at Wittenoom our Assistant Concerning the dust problem from an inspection trip of Loxton has recently returned mine and Inspector and Comet mines and his report of Wittenoom mthieliWisthtoewneodoa m considerable amount of fibre in the samples Of the 24 working places fibre and in the lower section of recorded showed fibre underground 7 samples recorded the mill 4 samples out of 7 section the fibre is I think In the underground circuit coming through the old picked up by the Primary airflow secondary ventilation appliances and workings and picked up by the blown into the current working places at Wittenoom have deteriorated Conditions underground exerted on over the past few months due to the extreme pressures exhaust rans working the brattices under the influencteenotfatitvhee tawrorangements to do a of the in parallel and we are makwinigth a view to relocating one further visit to Wittenoom and reduce the pressure on the brattices Primary Exnaust rans to try of Mines have agreed to lend us their The School so that we can do Lust Sampler for this trip Precipitator their instrument detailed sampling with Thermal some contact the Department of Lines in Canada I am going to worthwhile information on and South Africa to try and obtain any and suppression their methods or asbestos dust sampling Yours sincerely N. 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