Document JVBMLwMvXr3DaooqdMnyGxKe

.* SrARTMSsST United ^ States Steel CcrrpaiutWTi CCS GF.AN7 STSS2* Pittsburgh psnnsvlvau-iA ijj:c CABLE; USSCGLAV; F3HPA February 6, 1980 William R. Caroselli, Esq. 1100 Lav and Finance Building ?:. ccsburgh, Pennsylvania 15219 Dear Mr. Caroselli: Albert Algeri - A/D/LE 9-6-78 Duquesne Plant - USSC For your review and disposition, we forward the Universal Refractories Division's January 22, 1980 letter. Very truly yours, Michael A. Kusnirik Staff Assistant - Law MAX/jak Enclosure SC-BE-19000 *< KOPPcirs January 22, 1980 Mr. George Sorna U. S. Steel Corp. Duquesne Works ! Library Place Duquesne, PA 15110 Dear George: Selow is the approximate percentages of asbestos in rings and inserts that we have supplied Ounuesre Works. Fiber Inserts prior to 1975 - 12$ Fiber Rings prior to 1975 " 21$ Fiber Inserts since 1975 * Trace Fiber Rings since 1975 " Trace ! hope this data is sufficient and if I can be of any ass is tance feel free to call me. Respectfully, / RF/dl Regis H. Frederick, Jr. Product Manager VI XSl't: IMS (Xtifc. *v * tarsM ilix. r.