1.13 Sites Outside Continental United States Monthly fallout collection pots (exposed surface 0.62 rt?) ere maintained at stations outside the continental United States. Table 3 up-dates pot data appearing in HASL-51. Figure 3 on pages 0 and i depicts the cumulative levels of strontium 90 at each site starting from the most northerly latitude and continuing southward. The sr°9/gr90 ratios are for the midpoint of the collection ‘ periods The error term represents the standard error of counting. ~ 21 -