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:
.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) 1.4(8) Fe-59 (a) 1.5(7) 5.6(6) 1.9(7) (a) 4.1(7) Co-58 (a) 2.7(7) 1.7(6) 2.2(7) (a) 4.8(6) Co-60 (a) 3.7(8) 3.3(7) 7.4(7) (a) 4.8(7) Zn-65 (a) 7.4(7) 5.6(5) 7.4(6) (a) 8.1(7) Sr-89 (a) 3.5(6) 1.7(5) 2.2(8) (a) 2.3(8) Sr-90 (a) 1.9(5) 1.1(3) 7.4(5) (a) 1.0(6) Zr-95 (a) 1.5(7) 1.9(4) 3.7(6) (a) 1.9(7) Sb-124 (a) 7.4(6) 1.9(4) 1.1(7) (a) 1.9(7) Cs-134 (a) 1.5(8) 1.7(6) 1.1(7) 1.1(5) 1.6(8) Cs-136 (a) 1.1(7) 1.7(5) 1.9(6) 7.4(4) 1.3(7) Cs-137 (a) 2.0(8) 3.3(6) 2.2(7) 3.7(5) 2.3(8) B(a)-140 (a) 1.5(7) 3.7(4) 4.1(8) 4.1(5) 4.1(8) Ce-141 (a) 3.7(5) 9.6(5) 2.2(7) (a) 2.7(7) (a) Less than 1% of total nuclide. (b) Less than 3.7 x 1010 Bq/yr/reactor for noble gases and carbon-14; less than 3.7 x 106 Bq/yr/reactor for iodine. (c) Exponential notation: 1.9(-1) = 1.9 x 10-1. *The values are illustrative only. October 1999 5.4.2-11 NUREG-1555 Table 5.4.2-3. Summary of Normalized Concentration and Relative Deposition Values for Selected Locations(a) Location(b) Source(c) Normalized Concentration, χ/Q(sec/m3) Relative Deposition, D/Q (m-2) Nearest site land boundary (0.61 km SW*) A B 5.6 x 10-8* 2.5 x 10-7* 9.2 x 10-9* 4.0 x 10-8* Nearest residence, garden, animal meat, and milk animal (1.5 km SW*) A B 2.1 x 10-8* 9.4 x 10-8* 3.3 x 10-9* 1.4 x 10-8* (a) The doses presented in the following tables are corrected for radioactive decay and cloud depletion from deposition where appropriate, in accordance with Regulatory Guide 1.111, Methods for Estimating Atmospheric Transport and Dispersion of Gaseous Effluents in Routine Releases from Light Water Reactors (NRC 1977a). (b) “Nearest” refers to that type of location at which the highest radiation dose is expected to occur from all appropriate pathways. (c) Source A is continuous stack release; Source B is periodic stack release, 4