Document 8RVV0BJqe9Drn79ekdEEOGk6K

Page 2196 1 Q Doctor, you said something again to me this 2 morning about the threshold limits not being directed 3 at cancer. 4 What did you mean by that? 5 A Well, the original threshold limit value in 6 1946 and actually through 1968 was based on this 7 Dreessen study, this cross-sectional study of the 8 textile industry. 9 The outcome of that study was chest X-ray 10 evidence of asbestosis, not cancer. 11 Q But, Doctor, am I correct that the thinking 12 at that time all the way up into the '60s was, if you 13 prevent asbestosis, you present an increased risk of 14 lung cancer? 15 A I don't think that is correct at all. 16 Q Let's go back, Doctor. 17 You are telling the jury this morning that 18 in 1935 there was reported cases of lung cancer among 19 asbestos workers? 20 A There were case reports. There was no 21 available information on the dose response for