Checking-source Registration 1995/8/25 "KEK proton irradiation on July 19, 1995" ID# Sample # Area [cm^2] 7Be Activity[Bq] KEBE-1 SPL16239-4 20.4 8831.2 KEBE-2 SPL6239-8 20.4 8831.2 KEBE-3 SDX32287-14-0 13.6 5887.4 KEBE-4 SDX32287-15-0 13.6 5887.4 KEBE-5 SDX32782-13-0 13.6 5887.4 KEBE-6 L5(#33-2) 2.0 865.8 KEBE-7 L6(#1-2) 2.0 865.8 KEBE-8 #33 18.0 7792.2 KEBE-9 SPL6239-5 20.4 8831.2 KEBE-10 SDX32471-15-2 20.4 8831.2 KEBE-11 SDX32124-10-2 20.4 8831.2 KEBE-12 SDX32124-11-1 20.4 8831.2 KEBE-13 H6(#33-1) 2.0 865.8 (Principal acitivity measurement: SDX32782-13-0 432.9 Bq/cm^2)