Document pe29vGZJq31G9MX96dZaKL67w

I C. L. Bradford^ cc: P. L. Slayton - 1650 October 11, 1971 _. Henry Budnep------df SignalIte Corporation^ 1933 Hack Avenue----Neptune, New Jersey 07753 Dear Mr. Budnen This letter confirms your teleoon with Mr. Moore on October 7 con cerning Signalite's use of Santovac 2 vacuum pump fluid. As Indicated on their labels, Santovac 1 and Santovac 2 contain . polyohlorlnated biphenyls (PCBs) of various types. As you are aware, PCBs have increasingly come under the sorutlny 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, aquatlo 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, vaporization or otherwise. Some specifio applications where these fluids should definitely not be used are In vacuum systems Involv ing food or food-related produots, animal feeds, pharmaceutical products, packaging materials Involving any of suoh Items and buildings where any of these Items are manufactured or stored. If your vacuum system Involves any of the mentioned applications, or If your system Is suoh that entry into the environment can not be prevented, you should replaoe 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. 0, Krummrloh Plant, Sauget, Illinois 62201, Attention! Supervisor Dept. 246 for proper disposal. This service is per formed at ooat, whloh la $0*03 per pound. Very truly yours. DSM 018140 R. B. Hatton Technical Manager Hydraulics and Lubrloants /pep STLCOPCB4004685