Document QgjkNwOmvrKaqdy8NRRxBkqEo

cc: C. L. Bradford R. A. Garcia - 1010 October 8, 1971 Mr. Bill Baker Troy Specialtlea P. 0. Box 316 E. Troy, Wisconsin 53102 Dear Mr. Baker: This letter confirms your telecon with Mr. Moore on October 7 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. As you are aware, PCBs 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, aquatic and animal life. Accordingly, it is Important that PCBs be kept out of the food chain. Ve 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, vaporization 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 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 lnaedlately. Please contact your pump supplier for his recommended replacement product. Used Santovac 1 and 2 should be returned to Monsanto Company, W. fl. Krurararich Plant, Sauget, Illinois 62201, Attention: Supervisor Dept. 246 for proper disposal. This service is per formed at coat, which is $0.03 per pound. Very truly yours. /pep R. E. Hatton Technical Manager Hydraulics and Lubricants DSk 017928 STLCOPCB4004473