4. The highest air sample result was; 131 Sampling Location . Shoshone, California Period pCi/m 12/5 1.1 133 I 3 pCi-sec/m 3 J 3 pCi/m 2.6 x 104 <1 , 1000-1630 It should be pointed out that this concentration is marginal with respect to the detection limits of the counting systen. The estimated thyroid dose from radioiodine inhalation at Shoshone was less than 0.1 mrad. The integrated exposure at the location of highest exposure rate, an unpopulated location, was about 0.1] mR. available information, From the the best estimate of the exposures resulting from this event is less than 0,1% of the AEC or FRC Guides. TRITIUM RESULTS Increases in tritium concentration in the off-site environment have been noted following several events (e.g., Cabriolet and Buggy I). In addition to these events, the aerial sampling program has detected tritium in the effluents from the Nash and Scroll Events. The intent is not to imply that these are the only events to have released tritium, but rather to use these results to obtain an indication of the potential hazard offOE ARCHIVI exposure of the general population to tritium. Thus, results from on-site