AIRBORNE CONCENTRATION OF I-131 IN A NUCLEAR-MEDICINE LABORATORY

  • 1 January 1978
    • journal article
    • research article
    • Vol. 19  (9) , 1078-1081
Abstract
The airborne radioactivity was measured during the handling of millicurie quantities of 131I in the liquid and capsule form. There is significant airborne activity when bottles containing 100-145 mCi of liquid 131 I are opened, and the Nuclear Regulatory Commission level for airborne activity of 131I in restricted areas (9 .times. 10-9 .mu.Ci/ml) is exceeded. The airborne activity of 131I is below the Nuclear Regulatory Commission level for restricted areas when 100 mCi quantities of 131I in the capsule form are used, or during handling of liquid 131I in the 20-30 mCi range. Thyroid counting is a better method than film badge for monitoring the personnel.

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