Occupational Intakes of Radionuclides Part 1 - ICRP
Occupational Intakes of Radionuclides Part 1 - ICRP
Occupational Intakes of Radionuclides Part 1 - ICRP
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DRAFT REPORT FOR CONSULTATION<br />
the model for bone-volume seekers because these generally are not sites <strong>of</strong> elevated<br />
accumulation <strong>of</strong> these elements. Some <strong>of</strong> the compartments shown in Figure 19 are<br />
not applicable to all bone-volume seekers. For example, the liver, kidneys, and red<br />
blood cells are not important sites <strong>of</strong> accumulation <strong>of</strong> calcium and strontium but are<br />
important repositories for lead. If a particular compartment or pathway shown in<br />
Figure 19 is not important for a given element, it is not considered separately in the<br />
model for that element. For example, in the model for calcium, blood is treated as a<br />
single well-mixed pool, and the liver and kidneys are assumed to be part <strong>of</strong> ‘Other<br />
s<strong>of</strong>t tissues’.<br />
Figure 18. Model structure applied in the Publication 72 series to the bone-surface seekers<br />
thorium, neptunium, plutonium, americium, and curium. This structure (or modest variations<br />
<strong>of</strong> it) are applied to a number <strong>of</strong> elements in this report series, including elements not<br />
regarded as bone-seekers.<br />
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