Document mxpaNezZJ88B8M3LJx1w9v80

beet cit BRADFORD PX, SLAYTOK - 1650 October 11, 1971 Mr. Jim staples General Dynamics Coavalr Division 3302 Pacific Highway San Diego, California 92142 Dear Hr. Stepless This letter confines yoar telephone conversation with Mr. Moore on September 29 concerning Convair's aee of Santovec 2 vacuum pump fluid. As indicated on their labels, Saatovec 1 and saatovao 2 contain polyohloriaated biphenyls (ICBe) of various types, as yoe are aware, Ktc have increasingly cone under the serstiay of varioos governmental agencies and scientific laboratories. za sons studies, certain fCSs have been found to bo persistant, an envlroansatal contaninaat and possibly injurious to certain forms of bird, aquatic and anissii lifa. Accordingly, it is important that KBs be Kept out of the food chain. ws want to remind yonr first of the extreme care that mast be taken by aeers of Samtovue 1 and Saatovao 2 fluids to prevent any entry into the environment through apills, leakage, use, disposal, vaporisation or otherwise. 8asm specific applications where theee fluids should definitely not be seed are in vacuo* systame involving food or food-related products, animal feeds, pharmaceutical products, packaging materials involving any of such itsnm and buildinga where any of these items are manufac tured or stored. Xf your vacuum system involves any of the mentioned applications, or if your system is sad) that entry into the environment cannot bo prevented, you should rapLaos Santovec 1 and 2 with non-fCB fields Immediately. Please contact your pomp supplier for his recommended replacement product. OSW 017888 STLCOPCB4004433 Mr. Jim St*pis general Dynamic October 11, 1971 Pag -2- Used santovae 1 and 2 should b returned to Monsanto Company, m o. Kruanrlch Plant, sauget, Illinois 62201, Attentioni Supervisor Department 246 for proper disposal. This service is performed at cost, which is $0.03 per pound. in order that Monsanto can continue to supply you with the Santovae fluid, it ia necessary that wo know your application for this product and your nethod of disposal of the used fluid. This information is for our own use in determining approval of future sales of ssntovae 2 to you. Tour rapid cooperation in this matter mill be appreciated Very truly youra. Dr. R. s. Battoa Technical Manager Hydraalice and Lubricants /fed cos Mr* John Dlaneoa general DynaaU.ee Electro Dynamic Division fort Office Don 127 san Diego, California *2112 OSW 017889 STLCOPCB4004434