Document r67VVbX5wqrqBmVQ0LrgbQ8vV

cc: C. L. Bradford September 30, 1971 Nr. John Eck Arco Company {Vumc Division Apollo, Pennsylvania 15613 Dear Mr. Eck: This letter confirms your telecon with Mr. Moore concerning Numec's use of Santovac 2 vacuus pump fluid. As Indicated on their labels, Santovac 1 and Santovac 2 contain polychlorinated blphenyle (PCBe>) of various types. As you are aware, PCBs have increasingly cone 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 posalbly injurious to certain forms of bird, aquatic end animal life. Accordingly, it la 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 fiantovec 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 producte, animal feeds, pharmaceutical producte, packaging materials involving any of such Items and buildings where any of theae Items are manu factured or stored. If your vacuum system Involves any of the mentioned applications, or if your system Is such that entry Into the environment can not be prevented, you should replace Santovac 1 and 2 with nonPCB fluids Immediately. Please contact your pump supplier for hit recommended replacement product. Deed Santovac 1 and 2 should be returned to Monsanto Company, . 0. Kruamrleh Plant, Sauget, Illinois 62201, Attention: Supervisor Dept. 246 for proper disposal. This service is per formed at cost, which la $0.03 per pound. Very truly yours, DSW 019623 R. E. Hatton Technical Manager Hydraulics and T.ubrlcants STLCOPCB4007556