Document wr8wOgdYJ2N1obkR0YwJmL76D

Intra Company / 105433 January 28, IST0 Prof=33 or Irving Z. SeUkrfff, K. D. Mount Sinai School of Mediaina of tha City University of Irw Xoric 5th Avnooa and 100 3treat Hev fork, Haw lark, 10C29 Dear Professor Salikoffi I have been asked to assess tbs Importance of brain litAng Enteric! an an air pollutant. Moat of the c cueam has to do with asbestos which comprises a casething Liles one-half of the liirtag material. I am aware of tha paper by Jerand&h ct, Lynch, J. Air PoLl_ Control isaoc, SZ4 (1968) which purparts to show that the asbestos undergoes a too tine rphoala to & mineral of differtmt structure, but I understand that you hare ml3 givings about the waunptian that ell as boa toe fiber* are largs enough to be seen at the magnification used in lynch** paper, Another point, it aeons to oa, is whether the metamorphosis renders the aatarinl lass malignant aa far as physiological action is concerned, but aa far as I know thsra ia no information about this. What do you think about this aiutationl Do you know of any evidence that the Kate rial abraded from brakes la any different In its effect on the lungs than the material, stirred up in the building trades? Maybe we should consider running sane arperlnentj to determine aises of aa beatos fibers as found in the undamaged HMng oat*rial, or perhaps repeat Lynch'a work with the far higher magnification available to us. I niosad y . __r--r Jwre, A3 you pro l rly teow, it made quite on impact on those who wore project, liie relieving day when I returned to the lab, everybody vaa telling me, about the talk ao I suppose I could say that I did hear it transcribed. One of the paints I understand to have bean mods (I think I bad heard It first from Dr. Veins took whan be came back from a Cordon Conference loot year) 000032 9W BUt7 PRODUCED BY FORD Intra Company -2- ,Jarmry 28 1570 is that the gross mount of asbeatoa used In brake HHnp Is each snaller than the amount that is wasted in tha hollaing tndea. 1 voula Ilka to know no ns about this, that la, how this caaciu.Ji.3n was reached (what tha susbera were and where they came from, asl so forth), .Anything you can do that would help ao form an infomed opinion cm .abject of bmkss mild bo such appreciated. I hope to hoar free you seen. Sincerely yours, *IHPtna W111 irm R, Pi ere on Cheudatry Deparfeusnt Scientific Hoseorch Staff 000033 I PRODUCED BY FORD