ye Failure to produce burns at Japten susteined the decision to move the main exposure facility from its former location to Runit. Thermel Measurements rah “NS A thermal yield of EEL: measured on Runit. 7 | _— (PALETED The disparity between the reasured and predicted or calculeted ae Ye dosage at this location is attributed to instrumentation operating et its lower limit of resolution, Blink Reflex Studies Animals were allowed to view the flash ed libitum without any pro- tection. Blink reflex times will te determined et the ZI by evaluation of high speed photography eccomplished during the flesh interval. This exposure series procuced choricretinal burns in 6 of §& raibits end © of & monkeys at Runit. “mong the rabbits the burns were moderate to severe and all were about 1 huzan optical disk in diameter (d.d.) in size. wes observed in only one instance. Minor hemorrheging It is celecuwlated thet ecuivalent lesions would have been produced in man et a distance of ebout 5.1 miles. Among the monkeys both eyes received burns, In one case minor hemorrhaging in one eye and in enother instence central hemorrhaging of both eyes was observed, The two rersining enimals hed lesions the size of 1/fth end 1/2 d.d., respectively. The burns in the ERT series eppesred corpareble to those which were encountered at 3 to 5 miles distance fror the Erie) shot. a en CRe - 28 t