DETERMINATION OF THE RATIO OF TOTAL TRANSURANICS TO AMERICIUM IN
SOIL ON ISLAND DAISY
DOE/ERSP TECH NOTENO.2.12

DATED: April 1978

AUTHOR:B. Friesen, DRI
Determination of one mean ratio for Daisy was made using laboratory results from soil samples
taken at four locations including two composites and three depths. Reference Tech Note 2.2-A for
assumptions made in computing the mean ratio and associated error. The range of values is from
2.66 to 9.22. The ratios are as listed below.
The Daisy data has a mean ratio of 3.72 with a standard deviation of 0.56*; these values were used
in estimating total transuranies and upper bounds.
Depth, em
Location
2-BL-0
6-E-2
8-E-8
10-BL-0

0
4.58
5.16
3.20
3.68

10
4.73
4,23
3.10
4.44

5.45
3.44
3.48
4.18

20
++
3.32
9.41
3.18

9.22***
3.90
3.89
4.40

4.55
3.11
3.67
2.66

DETERMINATION OF THE RATIO OF TOTAL TRANSURANICS TO AMERICIUM IN
SOIL ON ISLAND TILDA
DOE/ERSP TECH NOTE NO, 2.13

DATED: April 1978

AUTHOR: B.Friesen, DRI

Determination of one mean ratio for Tilda was made using laboratory results from soil samples
taken at six locations including two composites and three depths. Reference Tech Note 2.2-A for
assumptions made in computing the mean ratio and associated error.

2.00 to 8.00. The ratios are as listed below.

The range of values is from

The Tilda data has a mean ratio of 2.76 with a standard deviation of 0.3%; these values were used in
estimating total transuranics and upper bounds.
Depth, em

Location
2-BL-0
6-N-4
8-S-4
12-S-12
14-N-4
14.25-S8-2

0

10

20

tat

"BN"

Att

Br

Wat

wh

2.85
2.94
2.48
2.71
2.08
2.66

5.00
2.43
2.91
2.07
3.39
2.80

**
2.73
6.12
*#
2.51
2.64

2.74
2.26
3.41
ala
2.95
3.51

**
2.82
2.00
3.73
8,00
3.16

3.78
2.44
3.12
Zoe
2.98
3.07

*Due to a programming error, the standard deviation reported here is overestimated.
**One or more of the computational components was less than the minimum detectable activity.

***This one higher ratio had no measurable influence on the mean ratio because the relevant values

were very low.

B-2-18

Select target paragraph3