108 BOSS A.

256 W.

-4 I l* It 3 Ii Research on Health Effects of Asbestos LEWIS J.

J.

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 A Yes.

Page 1562 1 IHF Number 48, May of 1955.

1 A Yes.

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NEG.

( c fitprinted (ram the A.

y.vv .t ., /, LUNG CANCER MORTALITY -IN THE UNITED ^ 0^ STATES: SHIPYARD CORRELATIONS , t William J.

ae PLAINTIFFS 1 EXHIBIT 1 TPI-128 Employment History of Olin Jackson at Tyler Pipe Industries 1951-1959 Hired as a trainee in the fitting production department.

Lj/'V ,V 1 DECLARATION OF JOHN L.