Document 6Rx5N5OBxmL138g3qzDagj96m

FILE NAME Colonial Sugar Refinery CSR DATE 1959 DOC CSR119 DOCUMENT DESCRIPTION Correspondence between Medical Professionals RE Asbestosis Ray Classifications & Report on Health of Workers at Wittenoom es zs JMCN ae DISTRIC on BPN Date 15tn Jaquary 1959 Dr. D.D. Letham Physician Dept. of Public Health 57 Hurray Street PERTH Dear Don Films of the following have been forwarded under separate cover ~ ; 24630 - 45556 - 7 -- strongly wrote to the men concerned a pretty general letter I industry but did not specify advising them to leave the the stage of asbestosis the Ray classification in terms Although we did discuss to include a clinical of stages any classification would have Amendments and be in accordance with the proposed examination Workers Relief Act In the proposed Amendments of the Mine would be equivalent to advanced silicosis Stage 2 asdbeefsinteodsis That the capacity for work is or has been that disease which is seriously and permanently impaired by changes There is nothing to stop us from devisinogf acosuerpsaerate clinical assessment of the radiological Yours faithfully Patients Patients delited J. J. CHEST QQ _- MCNULTY MCNULTY PHYSICIAN PLAINTIFF'S EXHIBIT 10325.0 10325.0 a) JhCK LF DISTRICT HOSPITAL KALGOORLIE 29th 1959 January 94 40 Dr. fev, Letham Physician Dept. of Public Health 57 Murray PERTH PERTPEHRTHPPEERRTTHH Street Dear Dr. Letham Asbestosis Myexperience in obtaining accounts of patient's symptoms symptoms from Practitioners in regard to industrial disease has not been very satisfactory However I wrote to Dr. Oxer and to the workers requesting chest X Rays and clinical examinations - I will also forward sputum containers which will be returned by air to you for disposal Three specimen bottles one first thing in the morning one in the morning coming off shift work and perhaps one at 3 in the evening should be sufficient Please ring me at say 9.50 a.m. Monday 2nd February if you can add anything before I post the letters The absence of real response to my letters from the workers concerned suggests there cannot be much disability and the urgency of the problem has lessened now that the new Mill in is For reasons wait operation these reasons until the Unithas has Rayed may knowsthe may be more cases andwho I feel that the problem should working population when there classical signs in the established established cases may be less obvious visit Ceterioration If on our Dext in the established cases we find more cases or an obvious just hazard issuing persisting we will be justified Dr. Henzell with copies in etc. etc. a joint statement to Yoursfaithfully J. N. PLAINTIFF'S EXHIBIT Bryone 10326.0 10326.0 JMCN EI DISTRICT HOSPITAL a Date Ma 23nr d Marc ch h .1.960.............. - ADDENDUM TO REPORT ON THE HEALTH OF WORKERS IN WITTENOOM 1959 Information has now been obtained from Canada through the courtesy of the General Secretary of the Chamber of Mines confirming my impression that the Konimeter in use in the State is not an effective industry instrument for dust counting in the Asbestos In the Quebec Asbestos industry a Impinger is used It is stressed that fibres over 10 microns in length are of particular importance and whilst the total dust concentrationthe should be below 10 million particles per cubic foot of air the permitted maximum fibre counite over 10 microns in length is 1 million fibres per cubic foot of air I have fuller details if required and I understand that copies have been sent to the senior Inspector of Mines Kalgoorlie and the Manager Australian Blue Asbestos Wittenoom Queb CHEST PHYSICIAN and MINES MEDICAL OFFICER PLAINTIFF'S EXHIBIT