Document M43eRXpNLRgLEwOZZmBMNBxd9

Dr. I. T* Henson October 16, 1993 Carbide and Carbon Chemicals Company South Charleston, . Va. Dr* A. 0. Ft--r Vinyl Basins Xtasts iMj * Dasr Dr* Hansons periodically we gat Inquiries relative to the qu stl n of dust exposures to these products. Ve have always looked upon these dusts as Inert substances because of their Insolubility, and we do not feel they are capable of producing changes In the lungs* On two occasions while Z was plant physician at South Charleston, Z had chest X rays wade on all the employees xposed to these dusts in the vlnyllte units. These X rays were ntirely negative* trill you please let me know If this group of men has been re-checked by X ray and If any evidences of changes have been noted In the sane* Any comments you may wish to make rela tive to these exposures will be appreciated. Sincerely yours. Thos. V. Nhle, M. D* J1 MBDICAL DIRECTOR INDUSTRIAL MBDICAL AND TOXICOLOGY DEPARTMENT ucc 063411