1 Dr.

1 workers had shorter exposure, hadn't had sufficient Page 3392 2 accumulation of fibers to develop the disease. 3 What he found in his population was that 4. there was asbestosis,' there was lung cancer and there 5 was mesothelioma. 6 He pointed out that his work, and others 7 such as Fleischer and Drinker, had shown that the 8 average level of exposure of insulators was less than 9 five million particles per cubic foot. 10 Most of the data suggested it was around 1 11 to 2 million particles per cubic foot, but that 12 despite being exposed to this level, if you gave 13 enough years of exposure, disease occurred. 14 And, therefore, the five million particles 15 was clearly too high. 16 Q Doctor, this was published at the, I 17 believe, December 31, 1965, this report?

1 is that right?

Page 2322 i 1 MR.

Page 2311 1 MR.

26-28 29-31 32-35 36-37 38-40 to Ford dealerships' service departments with regard to asbestos danger between 1961 and 1975.

W/ * W MEMORANDUM FOR RECORD BY: Lee B.

February 14, 1967 Occupational Health Research and Training Facility 1014 Broadway Cincinnati* Ohio 45202 * Attention: Mr* Jeremiah R.

JOHNS-IIANVILLE RESEARCH AMD ENGINEERING CENTER |AV<k < 1^0 JULzoivoo Report No.

JM CONFIDENTIAL.

, June 23, 1961 Hr.

Hr. 7. 3e*ftk H-- .T. --*"^30 '. i 1966 PSOJSTTS October l. 1967 IitIo Product Deveiopaeot /** . ' i:- . * i -

NEG.

William R.

ARCHIVES OF ENVIRONMENTAL HEALTH VOLUME 19 July through December, 1969 American Medical Association Publication i EXHIBIT Summary *v of the background of probl in setting occupational expo, s over the years has, hopefully > impression that a tremenof investigation, research, and udgment has been brought to development of our ideas a> vlany problems remain to tv vith our present occupational dards, the industrial hygienist if a powerful tool in the con'ational health hazards.