im | ESTIMATE OF INFINITY y DOSE FROM GUMMED FILM STATION #_219 LOCATION__DES MOINES, TOWA Jan. 0,0%* 0.1% 0,8% 0.3 Feb el 6 05 4 March 8 3.8 1.7 5% 8 April 8 3.0 1.8 .5é™ 3.8 May 3 16.4 2.6 1.5 14% July Pr] 3% 1.4 Aug .6 2% 2.5 2.2 6 ~l* 2.1 2.5 Oct. 7 3% 7 3.2 Nov. 6 .6 4 4 Deo. Le weet —h tle TOTAL 5.6 1238 9,1 2.5 12,3 19.7 1259 Jan, 0.3 1.0 Feb, 3 1.0 March .6 3.0 Pre-1954 8.5 April 3.8 4.3 1954 5.6 May 1A 4.9 41955 9.1 “1,5 7 1956 12.3 2.2 3 1957 19.7 Aug. 1.1 2 1958 4.2 Sept. 8 1 1959 5,8 Oct, 8 wl Nov. 1,0 ol Dec. tt 1 June July TOTAL - , 14.2 Total 85 15.6 eo _ 3.1 ay Sept. P .6 15 Pen . 1.7 & June 2.1