Document e50539ONno7N1vmM12J6Npyq9

cci C. L. Bradford P. L. Slayton - 1650 October 4, 1971 Nr. Horn* Kustoff Plastic Acts totalizing 71 Oreon street Brooklyn, New York 11222 Osar Nr. Xustofft This latter oonflres your telecon of October 1 concerning your firm's use of Santovac 2 vacuum pump fluid. As Indicated on their labels, Santovac 1 and Santovac 2 contain polychlorinated biphenyls (PCBs) of various types. Aa you are aware, PCBo have Increasingly come under the scrutiny of various governmental agencies and scientific laboratories. In some studies, certain PCBs have been found to be persistent, an environmental contaminant and possibly Injurious to certain forms of bird, squatto and animal life. Accordingly, It Is Important that PCBs be kept out of the food chain. We want to remind your firm of the extreme care that must be taken by users of Santovac 1 and Santovac 2 fluids to prevent any entry into the environment through spills, leakage, use, disposal, vaporisation or otherwise. Some specific applications where these fluids should definitely not be used are In vacuum systems Involving food or food-related products, animal feeds, pharmaceutical products, packaging materials involving any of such items and buildings where any of these Items are manu factured or etored. If your vacuum system Involves any of the mentioned applications, or if your aysteu Is suoh that entry into the environment can not he prevented, you should rsplaoe Santovac 1 end 2 with nonPCB fluids Uaaedlstely. Please contact your pump supplier for his recommended replacement product. Used Santovac 1 and 2 should be returned to Nonsanto Company, W. 0. Krummrloh Plant, Sauget, Illinois 62201, Attention! Supervisor Dept. 246 for proper disposal. Tbla aarvloa la per formed at oott, which la $0.03 par pound. Very truly your., ^ /pep R. E. Hatton Technical Manager Hydraulics and Lubricants