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I-131 patient-release dose

D(∞) = 15.24 mSv

D(∞)=34.6 ΓA0TpE/r2D(\infty)=34.6\,\Gamma A_0 T_p E/r^2

NRC 35.75: release if D(∞) to the public ≤ 5 mSv. D(∞) ≈ 34.6 Γ A₀ T_p E / r².

Laser