Document qkZaoN0KVm05Q5D1Bp7BMX3kG

bcc: C. L. Bradford H. R. Ford - 1070 September 30, 1971 Kr. Noel Metcalfe Pratt and Whitney Aircraft Florida Research and Development Center Box 2691 West Palm Beach, Florida 33402 Dear Mr. Metcalfet Thla letter will confirm the environmental aspect of Santovac 2 vacuum pump fluid aa diaouased with you by Torn McDonnell and myself. Thank you for your order for Santovac 2. Aa indicated on their labels, Santovac 1 and Santovac 2 contain polychlorinated biphenyls (PCBa) 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 possibly Injurious to oertaln 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 usera of 3antovae 1 and Santovac 2 fluids to prevent any entry Into the environment through apllle, leakage, use, disposal, vaporisation or otherwise. Some specific applications where these flulde should definitely net be used are in vacuum systems Involving food or food-related products, animal feeds, pharmaceutical produota, packaging materials Involving any of such items and buildings where any of these Items are manu factured or stored. If your vaouua 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 awl 2 with noaPCB fluids immediately. Please contact your pump supplier for his recommended replacement produot. DSW 017882 STLCOPCB4004427 Mr. Noel Metcalfe Septeaber 30, 1971 Page Two Used Santovac 1 and 2 should be returned to Monsanto Company, W. 0. Kruramrlch Plant, Sauget, Illinois 62201. Attentioni Supervisor Dept. 246 for proper disposal. This service is performed at cost, which is $0.03 per pound. Very truly yours. /pep R. E. Hatton Teohnlcal Manager Hydraulics & Lubrloants DSW 017883 STLCOPCB4004428