To i Beam J 0# Hoffman Arthur Brealow Subject Radiation Monitor ng and Itinerary Enclosuret A Personal notes X Qn 16 July 1945 the radiation was noted for the purpose of the safety of the searchlight crew operating position L 7 2 ester at X 7 Froa 0530 until 0730 there were no readings on the Tictoroen However by 0730 there were occasional kicks of the needle indicating falling particles frcra the cloud which had passed over head# the readings did not exceed 000 r hr 31 At about 0730 I was asked to review all the data I had transmitted on the position of the cloud failed After about five readings ay radio In order to corapleto their review without delay I sped to the nearest radio at position L 3 using the carryall vehicle and leaving R# and E# Eehn at the 1 7 position Up until thAstiao there rare hits no indications of any danger fro© radiation Should I fail to make radio contact frota 1 3 I would have to proceed to the base easp with 1hlte and Rehn Therefore I left the radiation rxeUr In ay haste I overlooked the possible need of sjy respirator 4 Thile proceeding to X 0 tith all haste I discovered on topping the mountain pass on highway 330 10#4 silos East of Bingfcaa the valley below was covered with a strata of sand-like dust The dust formed clouds below cy position and in the direction of the highway and also to the Southwest# I laaediately closed all the windows of the carryall and continued to L 8 breathing through a slice of bread when I failed to find ny respirator 5 On arriving at L 3 X completed transmission to our headquartere going via Post #2# The personnel at L 3 informed sm that there was a danger of an inEediate evacuation am the count ms rising rapidly# -eeause of BEST AVAILABLECOPY ■ € P jS a - cu 'C— - fC- -2 ' gi y y yS-€c C'y -6 zi- ' -c t f - '- t— ■f -l y6C0 d -v W 1ZU ■ J-ty C C ■ - i - - ' ' Qy -v y - ' ■ t„ ' y -- -- »v - jP' x cT - H_ yZL yr - Zl 1 « yy t O'-' Za X Z- • yz ' #■ ■ Z' 'Z ■ C yZ BEST AVAILABLECOPY X y' BEST AVAILABLE COPY ■ BEST AVAILABLE COPY fa 5 n n- V ■ A U l ' -' J»-i'' l i • » • ' ' best available copy BEST AVAILABLE COPY