llf Toere was a total of 77 minor and 8 178 <isabling injuries, which re- sulted in the loss of 68 work days, because of ground accidents during the March to August 1958 period, was 1,511,640 man-days. Personnel exposure during this oeriod Ground accidents resulted in damage to six ve- hicles, five aircraft, and five other Air Force properties. Thus, tne calculated cost for injuries was 32,579, and the cost for daaaged proverty wis 33,985 —~ a total cost for growid accidents of 36,564. K. aseluLOGlw oakult avTLVITI on The activities of the ‘uclear .esearcn Section during the operational . phase of HAswfac’. became largely routine. The procurement and issue of film badges to all fasx Croup 7.4 oersonnel was completed before the fir ing of the first tiAdQT Cx device; cuurses Tor tne training of raaiclogi-~ cal safety monitors were comyletea in marcn aud April 1958; and tne general policies and precedures for radiological safety activitisus were esbtanlisi.ed curing the planning pnase. curly a few non-routine tasks, tnen, remained to se compieted after the cyverationil p..ase got uncerway. On Ll April 1958, a sonference was neld at ueadqguarters soint Tasx Force saVi.: for the purpose of establishin,, policies anu procedures for the return of radioactive clous samvles to sone oi anterior savor:tories, Tie Task Group 7.4 Nuclear xeseareun wfLicer was charged with t.e responsi-~ eility of monitorin, ene Loading of che sampie return ulrerauft ana tne Griefhis of Lae sdaple Peuurd proOgecl cilicers. in tais connection, a AFWL/ HQ