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Research & Innovation

Health Physics

Exemption Quantities

There is opportunity for lesser restriction for labs permitted less than an Exemption Quantity as determined by Health Physics.

Examples of Exemption Quantities are listed below:

Isotope EQ (Bq)
H-3 (HTO) 1. E+09
H-3 (OBT) 1. E+09
C-11 1. E+06
C-14 1. E+07
F-18 1. E+06
Na-24 1. E+05
P-32 1. E+05
P-33 1. E+08
S-35 1. E+08
Cl-36 1. E+06
K-42 1. E+06
Ca-45 1. E+07
Ca-47 1. E+06
Cr-51 1. E+07
Co-57 1. E+06
Mn-54 1. E+06
Fe-55 1. E+06
Fe-59 1. E+06
Mn-56 1. E+05
Co-60 1. E+05
Cu-64 1. E+06
Zn-65 1. E+06
Br-82 1. E+06
Rb-86 1. E+05
Sr-90 1. E+04
Y-90 1. E+05
Tc-99 1. E+07
Cd-109 1. E+06
Ag-110m 1. E+06
In-111 1. E+06
I-123 1. E+07
I-125 1. E+06
I-129 1. E+05
I-131 1. E+06
Cs-134 1. E+04
Pm-147 1. E+04
TI-204 1. E+04
Am-241 1. E+04
Cm-244 1. E+04