For the following task, select the most appropriate device from the list at the right.

III.C.1.   Measure the activity of a 1 mCi sample.

___  ___   ___   ___   ___

    A.   Small ionization chamber
    B.   Large ionization chamber
    C.   Scintillation well counter
    D.   Dose (activity) calibrator
    E.   Geiger counter
    F.   TLD
    G.   PHA

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