Document gaekqerymBwQqqeXxogGwG9jQ

Repu b l ic St eel Co r po r a t io n %April i362 Sr, J. Cbolak Kettering laboratories University of Cincinnati Cincinnati, Ohio . ,, Sear Doctor Cholak: You now have received Mr. U. E. Sebesta's letter of April 2, 19 6 2 giving you authority to proceed with the analytical work of the samples being directed to your attention fro the joint survey being conducted on lead as an air contaminant in the vicinity of Republic Steel Corporation's plant in Chicago, Illinois. This study as has been explained to you is being conducted jointly by the staff of tir. James V. Fitzpatrick, Director, Department of Air Pollution Control, City of Chicago, and members of ray staff responsible for this work in Republic Steel Corporation. You have also been notified that the analytical work was to be conducted by the method believed most accurate b y your laboratory. However, we know that you and Dr; Kehoe believe that the analytical work should be conducted by using the dithizone method and also the spectographic method. These statements are made so that all parties will understand the exact procedures. It is also our under standing that you do not favor telephone reports on analytical work, but that you will file the reports in writing as they are com pleted . These reports as mentioned before are to be directed -- - one copy to - Mr. James V. Fitzpatrick, Director, Department of Air Pollution Control, City of Chicago, 320 Horth Clark Street, Chicago 10, Illinois -- and to - Mr. R. II. Ferguson, Assistant Director of Industrial Relations, Republic Steel Corporation, in care of Mr. R* I. Pisle, Superintendent of Industrial Relations at our South Chicago Plant, ll6th and Burley Avenue, Chicago IT, Illinois. Should you have any questions concerning any of this work or any of the problems involved, please do not hesitate to contact me 0018639 Repu b l ic St eel Co r po r a t io n ti* Dr. J. Chola aprii 5 192 promptly. If it trill spaed matters, you vill be able to locate Messrs. Sebesta and Fefaasl at BAyport 1-2000 in Chicago, for at least the neat ten days. Should there be further questions, please notify promptly. Sincerely, .est. Direcxor or inauarcna Relations ?.S. Starting with. April 6, 1962, samples for a 2 -flow High* volume sampler, together with an appropriate blank, will also be directed to your attention. We understand these will be analysed in a like oanner as described above. Messrs. Booras (City of Chicago staff), Fehnel and Sebesta are preparing air volume data corresponding to samples sent you. lihese should reach you in a few days. ec: Messrs. James V. Fitzpatrick (Dr) Robert K e h o e ^ x. II. Horthrup H. I. Piale W. 32. Sebesta J. Ita. Fehnel 001S640