1
0
3
Radioactive Decay
2004
Item
Description
Room
Location
1
20 dice and cup
119
H2-3
2
Stopwatch
108C
M3
3
Ruler
121
C2
4
Geiger counter
107
H4-3,4
5
Radioactive source (Cs 137 / Ba 137)
119
H2-5
6
Desk lamp
108C
B5
