Document d00xdnVYY1QDdJ7o1KDEO7dG

JAN-08-2002 15=07 P.02 ( WION CARBIDE CORPORATION Health, Safety and Environmental Affairs 270 Park Avenue * 22nd floor New York, New York 10017 July 17, 1979 To: R. K. Rucker, H.D. Paducah Caseous Diffusion plant P.O. Box 1410 Paducah, Kentucky 42001 Dear Dick, The criteria for diagnosis of asbcstosis you requested were given by Dr. Edvard Gaensler- They arti ' 1. Clubbing 2. Dyspnea 3. Crackles k. FVC d 607. . 5. Dsb*;S07. (Diffusion, single breath) 6. X-ray reading (Cincinnati Classification) >1/2, He says any four of the six confirms diagnosis. He also added that today pleural calcifications are almost always due to asbestosis. It was good to see you again at Roanoke. K5l:&A A ' jn 1 (J i