From: Hybrid monitoring and measurement of concrete shielding activation at the ProtherWal proton therapy centre
Element
Standard Concrete
LAC
H
1.00%
0.721%
C
0.10%
8.915%
O
52.91%
47.772%
Na
1.60%
0.076%
Mg
0.20%
0.240%
Al
3.39%
0.275%
Si
33.70%
1.241%
K
1.30%
0.033%
Ca
4.40%
40.514%
Fe
1.40%
0.063%
S
0
0.088%
Cu
0.008%
Sr
0.034%
Ru
0.02%