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Laboratory Safety & Environmental Programs
Characteristics of Common Radionuclides

Isotope Emission Energy (keV) Half-life Shielding Detection
C-14 β- 156 5730 y None GM
H-3 β- 18.6 12.3 y None NA
S-35 β- 167 87.4 d None GM
P-33 β- 249 25.4 d None GM
P-32 β- 1710 14.3 d Lucite GM
Ca-45 β- 256.9 162.7 d None GM
I-125 γ 35 60.14 d Lead NaI
Cr-51 γ 320 27.7 d Lead NaI


Overall Program Management - Debbie Hrabinski, or call 848-445-2550
Health Safety Specialists (By Campus Assignment), or call 848-445-2550

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