UC

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
Tc-99m 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+07
Tl-204 1.E+04
Am-241 1.E+04
Cm-244 1.E+04