1.12

Other Continental United States Sites

Monthly fallout collectors are maintained at other sites
within the continental United States,

Exposed surfaces of the collectors

are 0.82 ft© except at Lemont, Illinois (0.75 ft@) and Richmond,

California (91 ft).
Table 2 up=dates data for monthly collections appearing in
HASL-2, "Environmental Contamination from Weapon Tests".
The $r99/sr90 ratios have been extrapolated to the midpoint
of the collection period.

Explanation of Error Terms in Table @

{1}

The error term in the column "me Sr70fee is the

standard error of sountinge

(2)

The "average mc Sr3C/mi=" column is computed from either

the standard error of duplicate analyses or the standard error of
counting, whichever is greater.

This coiumn appears only when

duplicate collections are made at a site.

(3)

The larger errer term (or always the counting error

where only one analysis has been nade) is then used to compute the
cumulative error.

Select target paragraph3