ro,.et 2 = NUCLEAREFFECTS Program Director = GA / A. Martell, LtCol, USA RADIATION DOSIMETRY / Project Officer - R. H. Dempsey Objective y To measure the gamma radiation exposure at various. .xwations following a nuclear detonation. | Jnstrurentation iwmirum cannisters mounted on 2-inch aluminum stakes. The de- ‘attors were placed at a height of 3 feet above ground for the The beach stations were set so thet the detectors 1 foot above maximum high tide level. Both detecting systems ~€@ telibrated ageinst an 1l-Mev betatron. eters ee, AdeeLendl beet «= ¥ lerats Results are as shown in Table 2.1-1. = wey, ; ecay exponent being a significant part of the , =ie exposures. lend stations 72, 73, end 41 give an average decay ex- wel at %. Station 18 had a decay exponent of .85. © ene: ted when we This 4s $¢ 4s noted that station 18 broke and fell 4 BEST AVAILABLE COPY wes wt [ “zation is a large portion of the totel exposure, with the “wstises tn this residual due to slight assumed variations in W.Gees The residual from the previous wee, om decay expression exponent. es The results for stations 37, 38, and 39 give a meaning- ek tyme - OF ee mpg: ao ‘* Rizcassion tbat gee Tt MO we, “& stetions. ane . yore vee Aatetpt A ee weet . neat we . .oet - eh ye ca ‘ . cn : a oe ae hee ete tte 7 ML a ele LS hoot Bea ntSt dor chew ae ‘(40 th orn ne ee ee ee me ms ae Pi a Cm a Ce Film end chemical dosimeters were placed 4n #-inch wall