Document G5bypGG4g9N55brX8VJwD95N4

July 83 1970 Donald I. Mount, Ph.D. Dirac top Fadaral Water Pollution Control Administration National Water Quality laboratory G201 Congdon Boulevard Duluth, Minnesota 55804 Dear Dn.Mount 1 In Jack Garrett's absence I am forwarding soma informa tion which may be of lntereat to you and your associates concerned with the presence of PCB's in the eco-syatem. Mr. Blrdaall tells me he reported Borne of this infor mation to you at your committee meeting this week. As you know I tried to reach you too late as you were departing for Chicago. Enclosed isi 1. A list of the principal literature references on the PCB's. S. Brief outline of a plan to control escape of PCB's to the environment. 3. Status report on toxicological studies. 4. Statua report on biodegradation studies. - We will be happy to continue to provide you with further information as it develops. Very truly yours, EPWsJu Elmer P. Wheeler Manager, Environmental Health c.o. John J. Blrdaall 090610 mows