Document ZJ8gXRNO6eeKNp4Jq4RLYMy90

cc; C. L. Bradford R. A. Garcia - 1010 Ootober 8, 1971 Mr. Qilbert L. Gallon _--Allegheny" LUdlUm Stool U&i'Hp/ --Besesroh- Cantor------------------ Alabama and Paolflo Avenues Braokenrldge, Pa. 15014 Dear Mr. Callem This letter confirms your telecon of Ootober 8 with Mr. Moore concerning your use of Santovao 2 vacuum pump fluid. As Indicated on their labels, Santovao 1 and Santovao 2 contain polychlorinated biphenyls (PCBs) of various types. As you are aware, PCBs have Increasingly oome under the sorutlny of various governmental agencies and solentIflo laboratories. In some studies, certain PCBs have been found to be persistent, an environmental contaminant and possibly Injurious to certain forms of bird, aquatic and animal life. Accordingly, it Is Important that PCBs be kept out of the food ohaln. We want to remind your firm of the extreme care that must be taken by users of Santovao 1 and Santovao 2 fluids to prevent any entry into the environment through spills, leakage, use, disposal, vaporization or otherwise. Some speoiflo applications where these fluids should definitely not be used are In vacuum systems Involv ing food or food-related products, animal feeds, pharmaceutical products, packaging materials Involving any of such Items and buildings where any of these Items are manufactured or stored. If your vacuum systesi Involves any of the mentioned applications, or if your system Is suoh that entry Into the environment can not be prevented, you should replace Santovao 1 and 2 with nonPCB fluids Immediately. Please contaot your pump supplier for his recommended replacement product. Used Santovao 1 and 2 should be returned to Monsanto Company, W. Of. Krummrloh Plant, Sauget, Illinois 62201, Attention! Supervisor Dept. 246 for proper disposal. This service 1s per formed at cost, whioh Is 90.03 per pound. Very truly yours. /PP R. E. Hatton Teohnloal Manager Hydraulics and Lubrloants DSW 017986 STLCOPCB4004531