RT - Application, Half Life, and Dosage Rate Flashcards
1
Q
Plastics, wood, white alloys. 1/2 inch steel or equivalent.-Half-life 127 days
A
Thulium 170
2
Q
1 1/2 to 2 1/2 inch steel or equivalent - half-life of 70 days-GammaRay dosage or 0.55
A
Iridium 192
3
Q
1 to 3 1/2 inch steel or equivalent. Half-life of 33 years-GammaRay dosage rate .39
A
Cesium 137
4
Q
2 1/2 to 9 inch steel or equivalent-half-life of 5.3 years-1.35 GammaRay dosage rate.
A
Cobalt 60