Document nk63gXg6opamzMw3kvwM6KOqG

s March ,23, 1962 ' Mr. W. M. Lea . > . Administrative Assistant Product Development ' Keepers Company, Ino. Pittsburgh 19, Pennsylvania ' *' .... " > ' - Dear Mr. Lee* 'r ' Thank you very much for your latter of March 9, relative to your Bitumastle Vo. $0. Tho information you- gave me vill be very helpful. I have visited your Youngstown plant where I think you pro duce this material. I know of no claims for skin irritation or lung involvement from that plant. I have submitted a report to our Cleveland office and- to the Quality Paint Company on this problem*. Vary truly yours. DsWitt Huffman Industrial Hygiene Engineer