#Tube A04 #CS-137 7 cm from middle of tube # V, dV , T(min) , C , CPM , dCPM 400, 3, 1, 4265, 0, 0 400, 3, 1, 4307, 0, 0 380, 3, 1, 4514, 0, 0 380, 2, 1, 4487, 0, 0 361, 2, 1, 4236, 0, 0 361, 2, 1, 4157, 0, 0 340, 1, 1, 3565, 0, 0 340, 2, 1, 3491, 0, 0 340, 2, 1, 3733, 0, 0 320, 1, 1, 3134, 0, 0 320, 2, 1, 3036, 0, 0 301.6, .2, 1, 1233, 0, 0 301.6, .2, 1, 1177, 0, 0 279, .1, 1, 0, 0, 0 290, .1, 1, 0, 0, 0 310.5, 1, 1, 2334, 0, 0 310.5, 1, 1, 2226, 0, 0