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if the tumor, i.

1 with that report?

the same percentage of asbestos, 13 to 25 percent amosite and chrysotile.

Page 1112 1 A It would have probably been what I expected 2 if I knew tests were being made. 3 Q And you would have expected this because, by 4 that time, you already knew that asbestos was 5 something that could cause people to get sick?

Page 1043 1 seemingly negligible proportion of fibrous asbestos is 2 sufficient to produce the characteristic reaction. 3 It was found to be impossible to break up 4 all of the fibers and about 1 percent of the air 5 suspended dust consisted of fibers. 6 The characteristic peribronchiolar fibrosis 7 developed in the exposed animals after 40 months. 8 Thus it appears that very small numbers of 9 fibers are capable of producing asbestosis, although 10 the development of the lesions is delayed. 11 The present experiment with Kaylo is also an 12 example of this fact. 13 Conclusions, page 6, number 1.

1 sorry, Preston Street.

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Pathology of Human Malignant Mesothelioma By Yasunosuke Suzuki THE EXISTENCE of malignant mesothe lioma was recorded before the end of the In 1953, Weiss' suggested that asbestos expo sure was responsible for the induction of malig nineteenth century.

> *X atdrAmTeIOdNFAOl RMCUESSEIUNMSIIoTfUIHEEOALfTHPAANmDSlTCY < \ June 1, 1951 ?

January 31, 1951 '.'.er.orandun To: Doctor Vorwald From: E.C.J.

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