Document: NUREG-1555
Document ID: 68f32ac9-8d1d-4243-8e32-3aa120bfd4e5
Document Type: esrp
Title: EXPOSURE PATHWAYS
Source: NUREG-1555
Source URL: https://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1555/initial/
Revision Date: 2007-10
Chapter: 5
Section ID: 5.4.1
CFR Part: 
CFR Title: 

Content:
4(5) Co-58 2.9(7) Te-129m 4.4(6) Co-60 5.9(7) Te-129 3.0(6) Cu-64 5.6(8) Te-131m 4.8(6) Zn-65 2.4(7) Te-131 7.4(5) Zn-69m 4.1(7) I-131 3.1(9) Zn-69 4.4(7) Te-132 7.4(5) Zr-95 1.9(6) 1-132 3.0(5) Nb-95 2.6(6) I-133 8.1(8) W-187 1.2(7) Cs-134 4.8(7) Np-239 4.8(8) I-135 1.1(8) Fission Products Cs-136 2.0(7) Sr-89 1.2(7) Cs-137 1.1(8) Sr-90 7.4(5) Ba-137m 7.4(7) SR-91 4.4(7) Ba-140 4.1(7) Y-91m 2.9(7) La-140 2.0(7) Y-91 7.4(6) La-141 3.7(5) Sr-92 1.5(6) Ce-141 3.7(6) Y-92 1.6(7) Ce-143 1.5(6) Y-93 4.8(7) Pr-143 4.4(6) Zr-95 7.4(5) Ce-144 6.7(6) Nb-95 7.4(5) All others(b) 2.2(6) Mo-99 1.5(8) Total (except H-3) 7.0(9) Tc-99m 2.1(8) H-3 5.6(11) (a) Exponential notation; 5.7(-3) = 5.7 x 10-3. (b) Nuclides whose release rates are less than 3.7 x 105 Ci/yr/reactor are not listed individually, but are included in the category “All others.” *The values are illustrative only. NUREG-1555 5.4.2-10 October 1999 Table 5.4.2-2. Calculated Releases of Radioactive Materials in Gaseous Effluents (Bq/yr/reactor)* Nuclides Waste Gas System Reactor Building Ventilation Glad Seal and Mechanical Vacuum Pump Total Radwaste Turbine Ar-41 (a) 9.3(11) (a) (a) (a) 9.3(11) Kr-83m 1.9(11) (b) (b) (b) 3.2(12) 3.4(12) Kr-85m 6.7(13) 2.2(11) (b) 2.5(12) 5.6(12) 7.4(13) Kr-85 1.0(12) (b) (b) (b) (b) 1.0(12) Kr-87 (b) 2.2(11) (b) 4.8(12) 1.9(13) 2.4(13) Kr-88 2.5(13) 2.2(11) (b) 8.5(12) 1.9(13) 5.2(13) Kr-89 (b) (b) (b) (b) 8.1(13) 8.1(13) Xe-131m 2.7(12) (b) (b) (b) (b) 2.7(12) Xe-133m 6.3(11) (b) (b) (b) 5.6(11) 8.9(11) Xe-133 4.1(14) 4.8(12) 3.7(11) 9.3(12) 9.3(13) 5.2(14) Xe-135m (b) 3.4(12) (b) 2.4(13) 2.3(12) 3.0(13) Xe-135 (b) 6.7(12) 1.7(12) 2.4(13) 3.4(14) 6.3(13) Xe-137 (b) (b) (b) (b) 1.0(13) 1.0(13) Xe-138 (b) 5.2(11) (b) 5.2(13) 7.8(13) 1.3(14) I-131 (b) 7.0(9)(c) 1.9(9) 7.0(4) 4.1(9) 2.0(10) I-133 (b) 2.8(10) 6.7(9) 2.8(10) 1.2(10) 7.4(10) H-3 -- -- -- -- -- 2.6(12) C-14 3.0(11) 5.6(10) (b) (b) (b) 3.5(11) Cr-51 (a) 1.1(7) 3.3(6) 4.8(8) (a) 4.8(8) Mn-54 (a) 1.1(8) 1.1(9) 2.2(7) (a)