Document 5bLgkxjXR697jb4GRmQgkbN88

NATIONAL CCMTtft FOR UMM AnO IN OUST At Al HEALTH 1914 attOAOWAY CINCINNATI, OHIO <m> DEPARTMENT OF HEALTH. EDUCATION. AND WELFARE PUBLIC HEALTH SERVICE March 5, 1968 REFER TO: Lee B. Grant, M.D. Medical Director Pittsburgh Plate Glass Co, One Gateway Center Pittsburgh, Pennsylvania 15222 Dear Dr. Grant r O Please pardon the delay in answering your letter-of February 14, 1963. The samples from the Port Allegany and'Tyler) plants were extremely heavy, as would be expected from the iapinger results, and they took a long time to count. We have just finished and the data is being processed. The results should be on their way to you in about three weeks. Dr. Cralley has been out of town and he will communicate with you later on the medical phase. Thank you for your interest and co operation. Sincerely yours. Jeremiah R. Lynch Asst. Chief, Environmental Activities Field Studies Occupational health Program / THIS DO*. UiViEiiT VMS NOT A RECORD OF PPG INDUSTRIES, INC. DID NOT COME FROM IT'S FILES AND CANNOT BE AUTHENTICATED BY PPG INDUSTRIES, INC. ] BB 00 2369JM 4293