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MARSSIM Final Status Survey Design: Determining the Need for ...

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Determine reasonable ratio (or range<br />

of ratios) between <strong>the</strong> radionuclides<br />

• Requires determination of <strong>the</strong> scan MDC<br />

<strong>for</strong> a specific mixture of Co-60 and Am-241<br />

…and modeling to determine DCGL W and<br />

area factors <strong>for</strong> this specific mixture<br />

(simply stated, this approach is more work!)<br />

• Let’s s briefly review scan MDC calculations<br />

11

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