Document omQL9ymGB28NEvM5Mbz2GQoag

M\r. iU rv 0 n 1i r J '"i Ci ri iiO --------------------------------------------------------- --------------------------------------------------------------------- , Wonsanso Ccmsanv 800 N tinirarjh Sou;e ard St. lou'3. Missouri 52tc5 Phone: (3K> 634-;C00 . August 27, 1970 oc<,; ' cjls ' . Dear Sir: . Ih. February we advised you of the newspaper and magazine articles indicating that polychlorinated, biphenyls (PCUs) have been discovered at some points in some marine, aquatic and wildlife environments. It was claimed that the PCBs found strongly resembled chlorinated biphenyls containing and 60"o chlorine by weight. The quantities detected are said to be in the parts per million and parts per billion categories. Fydraul F-9 has been formulated with polychlorinated biphenyls. A new formulation has been develo> #ped and tested to provide eq* ual or better performance. The new formulation will be designated Pydraul F-9-A. This formulation is completely compatible with the old formulation and does not contain polychlorinated biphenyls. . During the next 90 days, as inventory is depleted in warehouses armind the country the new formulations will be shipped to fill*' ycarr orders'. *' ........ I we can be of further assistance or answer any questions you might have please contact our local repre sentative or me in St.. Ltfuis... 5" Very truly yours, V lb ' Norman Tv-'johnson Marketing Manager ' Industrial Fluids OSW 009722 STLCOPCB4001368