Document 2NVD4VrqZL5Gm6n6y841GjM0L

WRG 001175 PLAINTIFF'S It -EXHIBIT WRG-624 K. C. Ericson September 7 2, 1971 R. J. Br' Chicago Area Jobe W. J. Bwdrke/Chicago Plant ZOKO T. P. Pfeit______ 1 learned in a phone conversation with Bill Bourke that there are three jobs in progress in the Chicago area, two with MK-4. They are* (a) Gateway Center Annex (over air right* over Union Station) using MK-41 McHulty is the applicator. (b) Audy Hone, 5 to t floors only, using MK-4; Durgood-McHulty acting ac joint applicators. (c) Austin Middle School at Laramie and Harrison Streets, Chicago, low rise, using MK-3; Air-OTherm ia the applicator. Z recommend we audit (a) when Lime permits. RJBt jb R. J. Bragg