Levels of surface contamination shall be in compliance with the restrictions set forth in Table 4021.2 below:
Table 4021.2 Permissible Levels of Surface Contamination
Fixed | |||
Nuclide | Average | Maximum | Removable |
U-natural, U-235, U-238 and associated decay products | Click Here to View Image | Click Here to View Image | Click Here to View Image |
Transuranics, Ra-226, Ra-228, Th-230, Th-228, Pa-231, Ac-227, I-125, I-129 | Click Here to View Image | Click Here to View Image | Click Here to View Image |
Th-nat, Th-232, Sr-90, Ra-223, Ra-224, U-232, I-126, I-131, I-133 | Click Here to View Image | Click Here to View Image | Click Here to View Image |
Beta-gamma emitters (nuclides with decay modes other than alpha emission or spontaneous fission except Sr-90 and others noted above) . | Click Here to View Image | Click Here to View Image | Click Here to View Image |
N.H. Admin. Code § He-P 4021.21
#5903, eff 2-1-95; ss by #6827, eff 8-6-98; ss by #8481, eff 11-5-05