Document VjYQw4zLqyyE7wy0rYpLwK2qp

Page 646 1 investigation of the biological activity of glass wool 2 undertaken at your request at the Saranac Laboratory. 3 Investigation of over 20 different types of 4 dusts has indicated that if no reaction occurs in j 5 organs other than the lungs, it will not occur in the 1 6 respiratory tract and that conversely dusts like 7 silica and asbestos that are known to produce fibrosis 8 of the lungs also cause fibrosis in other tissues when 9 injected in sufficient quantities. 10 Neither plain or oiled glass wools have 11 caused fibrosis or any chronic progressive reaction by 12 injection and, therefore, it is a reasonable 13 assumption that their inhalation would likewise fail 14 to produce such effects. 15 That is May 5th, 1936. 16 MR. IGNATOWSKI: Ms. Tostanoski, doyou want 17 to see that document? 18 MS. TOSTANOSKI: No. 19 MR. IGNATOWSKI: Next isOwens-Corning I 20 Fiberglas Number 589, Your Honor. | 21 THE COURT: That will be admitted into