Description: Summary. Cattle in Reno, Nevada, exhibit a constant very low concentration of I 131 in their thyroid glands in the absence of known releases of I 131 to the atmosphere. This concentration is about 1 picocurie per gram of fresh thyroid tissue. ; This I 131 appears to originate below the tropopause
Creator: Blincoe, Clifton & Bohman, V. R.
Partner: UNT Libraries Government Documents Department