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Occupational Intakes of Radionuclides Part 1 - ICRP

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(203)<br />

DRAFT REPORT FOR CONSULTATION<br />

Figure 15 137 Cs Wound, Weak Category; predicted values (Bq per Bq intake) following acute intake.<br />

(204) In comparison, if the 137 Cs in the contaminated wound site is assumed to be<br />

present in particles <strong>of</strong> irradiated power reactor fuel, then it can be given parameter<br />

values <strong>of</strong> the <strong>Part</strong>icle Category. In this case, dissolution and absorption to blood are<br />

much slower than for the Weak Category, and the urine and faecal excretion patterns<br />

exhibit a pseudo-equilibrium pattern after about 10 days, lasting for several years<br />

(Figure 16).<br />

(205)<br />

86

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