Document ZB1meyQOZ6bzz9Enme6ymYekO

cc: C.L. Bradford H.R. Ford - 1070 October 8, 1971 Nr. Howard Barch Plastic Specialty Incorporated 922 South Eleventh Street Pt. Smith, Arkansas 72901 Dear Nr. Barch: This letter confirm your telecon of October 7 with Nr. Noore concerning your rins's uae of Santovac 2 vacuum pump fluid. As Indicated on their labels. Santovac 1 and Santovac 2 contain polyohlorlnated biphenyls (PCBs) of various typos. As you are aware, PCBs have increasingly come under the scrutiny of various governmental agencies and scientific laboratories. In aome studies, eertaln 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 Santovac 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 products, animal feeds, pharmaceutical products, packaging materials involving any of such Item and buildings where any of these Item are manu factured or stored. If your vacuum eyatem Involves any of the mentioned applications, or If your system la such that antry Into the environment can not be prevented, you should replace Santovac 1 and 2 with nonPCB fluids immediately. Please contact your pump supplier for hla reooananded replacement product. Heed Santovac 1 and 2 should be returned to Honsanto Company, V. 0. Krunmrlcb Plant, Saugst, Illinois 62201, Attention! Supervisor Dept. 246 for proper disposal. This service is per formed at cost, which Is |0.03 per pound. Very truly yours, HONS 092124 R. E. Hatton Technical Manager Hydraulics end lubricants