Table B: Yearly dose versus Uranium concentration for the 1997 Mooi River catchment survey | |||||||||||||
Average seasonal concentrations | |||||||||||||
Life-time Average |
12 17 a |
< 1 a |
|||||||||||
Regression Output: Rad Chem | Regression Output: Rad Chem | Regression Output: Rad Chem | |||||||||||
Constant | 0.01665 |
Constant | 0.02023 |
Constant | 0.06324 |
||||||||
Std Err of Y Est | 0.0130582 |
Std Err of Y Est | 0.0548189 |
Std Err of Y Est | 0.06663 |
||||||||
R Squared | 0.97028 |
R Squared | 0.90147 |
R Squared | 0.93205 |
||||||||
No. of Observations | 41 |
No. of Observations | 41 |
No. of Observations | 41 |
||||||||
Degrees of Freedom | 39 |
Degrees of Freedom | 39 |
Degrees of Freedom | 39 |
||||||||
X Coefficient(s) | 0.00124 |
X Coefficient(s) | 0.002751 |
X Coefficient(s) | 0.00409 |
||||||||
Std Err of Coef. | 3.469E-05 |
Std Err of Coef. | 0.0001456 |
Std Err of Coef. | 0.000177 |
||||||||
Regression Output: ICP-MS | Regression Output: ICP-MS | Regression Output: ICP-MS | |||||||||||
Constant | 0.0174 |
Constant | 0.02395 |
Constant | 0.06458 |
||||||||
Std Err of Y Est | 0.0142338 |
Std Err of Y Est | 0.0571486 |
Std Err of Y Est | 0.071467 |
||||||||
R Squared | 0.96403 |
R Squared | 0.8887 |
R Squared | 0.92188 |
||||||||
No. of Observations | 41 |
No. of Observations | 41 |
No. of Observations | 41 |
||||||||
Degrees of Freedom | 39 |
Degrees of Freedom | 39 |
Degrees of Freedom | 39 |
||||||||
X Coefficient(s) | 0.00124 |
X Coefficient(s) | 0.002728 |
X Coefficient(s) | 0.00415 |
||||||||
Std Err of Coef. | 3.85E-05 |
Std Err of Coef. | 0.0001546 |
Std Err of Coef. | 0.0001933 |
||||||||
[U] |
Yearly dose (mSv/a) |
[U] |
Yearly dose (mSv/a) |
[U] |
Yearly dose (mSv/a) |
||||||||
(ug/L) |
RadChem |
ICP-MS |
Ratio |
(ug/L) |
RadChem |
ICP-MS |
Ratio |
(ug/L) |
RadChem |
ICP-MS |
Ratio |
||
5 |
0.023 |
0.024 |
0.967 |
5 |
0.034 |
0.038 |
0.904 |
5 |
0.084 |
0.085 |
0.981 |
||
25 |
0.048 |
0.049 |
0.981 |
25 |
0.089 |
0.092 |
0.966 |
25 |
0.166 |
0.168 |
0.984 |
||
50 |
0.079 |
0.080 |
0.986 |
50 |
0.158 |
0.160 |
0.984 |
50 |
0.268 |
0.272 |
0.985 |
||
75 |
0.109 |
0.111 |
0.989 |
75 |
0.227 |
0.229 |
0.991 |
75 |
0.370 |
0.376 |
0.986 |
||
100 |
0.140 |
0.142 |
0.990 |
100 |
0.295 |
0.297 |
0.995 |
100 |
0.473 |
0.479 |
0.986 |
||
125 |
0.171 |
0.173 |
0.991 |
125 |
0.364 |
0.365 |
0.998 |
125 |
0.575 |
0.583 |
0.986 |
||
150 |
0.202 |
0.204 |
0.991 |
150 |
0.433 |
0.433 |
1.000 |
150 |
0.677 |
0.687 |
0.987 |
||
175 |
0.233 |
0.235 |
0.992 |
175 |
0.502 |
0.501 |
1.001 |
175 |
0.780 |
0.790 |
0.987 |
||
200 |
0.264 |
0.266 |
0.992 |
200 |
0.570 |
0.569 |
1.002 |
200 |
0.882 |
0.894 |
0.987 |
||
225 |
0.295 |
0.297 |
0.992 |
225 |
0.639 |
0.638 |
1.002 |
225 |
0.984 |
0.998 |
0.987 |
||
250 |
0.326 |
0.329 |
0.993 |
250 |
0.708 |
0.706 |
1.003 |
250 |
1.087 |
1.101 |
0.987 |
||
275 |
0.357 |
0.360 |
0.993 |
275 |
0.777 |
0.774 |
1.004 |
275 |
1.189 |
1.205 |
0.987 |
||
300 |
0.388 |
0.391 |
0.993 |
300 |
0.846 |
0.842 |
1.004 |
300 |
1.291 |
1.309 |
0.987 |
||
325 |
0.419 |
0.422 |
0.993 |
325 |
0.914 |
0.910 |
1.004 |
325 |
1.394 |
1.412 |
0.987 |
||
350 |
0.450 |
0.453 |
0.993 |
350 |
0.983 |
0.979 |
1.005 |
350 |
1.496 |
1.516 |
0.987 |
||
375 |
0.481 |
0.484 |
0.993 |
375 |
1.052 |
1.047 |
1.005 |
375 |
1.599 |
1.620 |
0.987 |
||
400 |
0.512 |
0.515 |
0.993 |
400 |
1.121 |
1.115 |
1.005 |
400 |
1.701 |
1.723 |
0.987 |
||
425 |
0.543 |
0.546 |
0.993 |
425 |
1.189 |
1.183 |
1.005 |
425 |
1.803 |
1.827 |
0.987 |
||
450 |
0.574 |
0.577 |
0.994 |
450 |
1.258 |
1.251 |
1.005 |
450 |
1.906 |
1.931 |
0.987 |
||
475 |
0.605 |
0.609 |
0.994 |
475 |
1.327 |
1.320 |
1.006 |
475 |
2.008 |
2.034 |
0.987 |
||
500 |
0.636 |
0.640 |
0.994 |
500 |
1.396 |
1.388 |
1.006 |
500 |
2.110 |
2.138 |
0.987 |
||
525 |
0.667 |
0.671 |
0.994 |
525 |
1.465 |
1.456 |
1.006 |
525 |
2.213 |
2.242 |
0.987 |
||
550 |
0.698 |
0.702 |
0.994 |
550 |