Document mpv89x32ZKo14jgnR8oXdv2RO

roitw . PRIMTtO ll.H INTEROFFICE CORRESPONDENCE GAF Corporation to location prom location Mr. P. S. Bettoli Bd. Bk. Re s . Mr. L. Sarlo, Jr. Gloucester SUBJECT: CALSILITE PLAINTIFF'S EXHIBIT GF-1535 date January 12, 1977 w W. Schwingen This will confirm my telephone conversation with Bill Schwingen today. We are attaching copy of our complete file on Calsilite. LS/gw Enc . L. SARLO, JR. MICH09217