TABLE 1
STRONTIUM 90 IN NEW YORK CITY FALLOUT
(Monthly Pot Collections }
Collection Period
from
to
me Sr79/ni
2—1-54 12-31-57
1998 J anuary
February
March
re
April
May
Cumulative
me Sr90/mi=
$799
Sr70
Precipitation
(inches)
~--
3927 4 0675
--
--
1.20
0.0
57 ## OL0e
0.52 2 0675
21
17
4.458
1623 + 0.07
41.75 2 0675
13
509
0.94
>
+ 0-6
O-3 2 oor
he .64, =
1.52 2 0.4262)
4.17 2 0086
2.70 % 0.07:
2057 2 0.06
June
1.84 + 0.06
July
August
1.67 2 0.05
0075
46.80 2 0.86
16
18
810.52 6(2)
4.96
6,20
11
10
11
1.58 2 0.2963)
48.55 2 0666
50.13 2 0091
12
328 2 564)
060 40.0542)
50.73 20.91
38 # 769)
September
October
November
December
At midpoint of collection period.
The mean and standard error of four analyses.
See Footnote 1. Only two of four samples were analyzed for sr&9,
Therefore this term represents an average ratio and standard deviation
of two Sr89/sr90 ratios.
The mean and standard error of three analyses.
Represents an average ratio and standard deviation of three sr99/gr90
ratiose
Represents an average ratio and standard deviation of four gr89/sr70
ratiose
-i-