Document aBQg3z9vN92eG2Knk31YGKKXa

Combridga, Mats. 02140 Mr. S. V. Chamberlain Director of Purchasing 0. M. Scott & Sons Marysville, Ohio 43040 Dear Sarge: j787.Moo ')36322C C October 1*, 1980 Tour letter of September 11, 1980 informing us of your decision to dis continue use of Libby concentrate is disappointing news indeed. We bad hoped that the significant strides made in reducing contamination of Libby concentrate, including the Investment in a new tremollte removal circuit aimed particularly at cleaning up the fine grade concentrates, would encourage Scott to continue to purchase Libby #4. As you may know, the new circuit has * encountered some startup difficulties which are expected to be remedied by year-end. While ll'UmPP yussICTf mulct ptgsent^statengfwLhCTlill lw I'Cdm* -h* r-roy'Hf,, <,, T-UsVy r~ - rm. _im nnti-s fn --hdngjag^Sfc--AfliL^-SWkwdmnHamnsiliiiLh *? rUsensmj_J tive during our last in-MaseWof^-197^. A variety of other smaller changes have had a profound cumulative effect in our expanding plants as indicated by the following data on average personnel exposures for all samples of our own expanding plants which utilize Libby concentrate: Year - 1975 1976 1977 1978 1979 1980YTD Expanding Plant Average With Libby Concentrate f/cc 2.84 1.72 1.27 0.62 0.46 0.20 Maximum OSHA 8 Hr. TVA Allowed f/cc 5.0 2.0(effective 7/1/76) 2.0 2.0 2.0 2.0 Since we have experienced this sharp improvement in exposures to our own expanding plant personnel, we would expect similar improvements over the same period for your operation in Marysville, assuming comparable measures have been taken at the expanding plant Itself. The new cremolite circuit should 15104171 V- result'In further improvements when it la fully operational. O3C3ZE10- ; We have focused our .attention on lowering the level of treaollte contami nation in Libby- concentrate to the maximum extent feaalble to make it auitable for your uae. Tbla effort wee undertaken elnce me Tfmina jf fnr - i * i" `Tr ii| wLt d. deeing --------- --, ^*^092* y# Indicated that aa an rgency Bure, we could make limited quantltlea of South Carolina concentrate avail able to you by ahipping Libby concentrate, at substantially higher freight coat. Into our own expanding .planta in Florida and the Southeaatern U. S. which have been traditionally aervlced from South Carolina. We offered thla as an accommodation to a valued customer of long-standing. Mow that-you have obtained other'sources for vermlcul'lt'e at prices acceptable to Scott?'we no longer see a' need^to `supply-mar wish? lrollfflT.---- Tour mention of regulatory forces that "require" you to seek sources of vermicullte with the lowest asbestos contamination possible catches us by surprise, especially where there is no reasonable likelihood of fiber emissions* from the finished product. yt"r taste ar>^ "* catp .tfogt Turf- _ BnUdaaLjraleaeaw'nn detmetaW-g freg-fotg^sebestoa iihara^ani nerrlmmions^-if lansi^i sf raB>--1--- hUaakle. lmrfeevndfcMMieaeMieiagJLiihhy>^ciao- *--*rir------ r^im n n-- ingThe Tli\julj.*jyre t111 ferns mi pf fcilldmr, atHifc-^r1ng n rxf~-~- proposerf regulations. Should you still'choose to terminate use of Libby concentrate, we would ask that you let us know what requirements you will have during the nex. six months sq that we can make appropriate plans for fulfilling chose requirements and/or begin our program for developing alternative uses for suchjnaterLai. Following your termination of regular use of Libby concentrate, should you wish to resume buying from Libby, we.will be most happy to supply you, subject to availability of material, provided chat we receive a six-month notice prior to the desired date of the first shipment so we may schedule our mine operations accordingly. \ Sarge, we hope you will give consideration to continued use of Libby . concentrate, particularly given the dramatic improvements in its purity. Rod 1510*172 I would appreciate th, opportunity to visit Marysville to reviei this' *eue with your senior aanageaent. Very truly yours, '363 ESW/acd cc: R. Grueabaua L. Herron J. Kennedy J. Kilsheiaer Lbcc: W. R. Hanloi R. M. Vising J. V. Wolter X. S. Wood Executive Vice President ( \ 15104173