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