Document JvxdKazZpaKZvbawwEmdQJMnO

* cc: C. L. Bradford - P. L. Slayton - I650 J. J. Roder October 20, 1971 Mr. A1 James ------ Standard Chemical Products 480 Alfred Avenue.............. Teaneck, New Jersey ' Dear Mr. Jamesj This letter confirms our telephone discussions concerning the * use of Therminol FR-1 or Santovac 1 in your diffusion pumps on your soap making equipment. As indicated on their labels, Santovao 1 and Therminol FR-1 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. * We want to remind your firm of the extreme.care that must be taken by users of Santovao 1 and other PCB produots to prevent any entry into the environment through spills, leakage, use, disposal, vaporization or otherwise. Some specific application) where these fluids should definitely not be used are in vacuum systems involving food or food-related produots, animal feeds, pharmaceutical produots, packaging materials involving any of - suoh items and buildings where any of these items are manu factured or stored. . Sinoe your vaouum system is Involved in making soaps.and accidental contamination is possible and since soaps after use enter disposal systems whloh would return PCB to the environ ment, you should replace your present fluid with non-PCB fluids. Please contact your pump supplier for his recommended replacement produot. . . DSW 018155 STLCOPCB4004700 ( Mr, A. Jamas October 20, 1971 Page Two Used PCB containing fluids should be returned to Monsanto Company, W. 0. Krummrlch Plant, Sauget, Illinois 62201, Attentloni Supervisor Dept. 246 for proper disposal. This service is per formed at cost, which is >0,03 Pr pound. Very truly yours. /pep R. E. Hatton Technical Manager Hydraulics and Lubricants DSW 018156 STLCOPCB4004701