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Health Effects of Exposure to Radon: BEIR VI (1999)
Commission on Life Sciences (CLS)

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. "Public Summary and Executive Summary." Health Effects of Exposure to Radon: BEIR VI. Washington, DC: The National Academies Press, 1999.

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Health Effects of Exposure to Radon: BEIR VI

TABLE ES-1 Estimated lifetime relative risk (LRR) of lung-cancer for lifetime indoor exposure to radona

 

 

 

 

 

Exposure-age-concentration model

Exposure-age-duration model

Exposureb

Male

Female

Male

Female

WLM/y

Jhm-3/y

Bqm-3

pCiL-1

WL

Ever-smoker

Never-smoker

Ever-smoker

Never-smoker

Ever-smoker

Never-smoker

Ever-smoker

Never-smoker

0.10

0.00035

25

0.7

0.003

1.081

1.194

1.089

1.206

1.054

1.130

1.059

1.137

0.19

0.00067

50

1.4

0.005

1.161

1.388

1.177

1.411

1.108

1.259

1.118

1.274

0.39

0.00137

100

2.7

0.011

1.318

1.775

1.352

1.821

1.214

1.518

1.235

1.547

0.58

0.00203

150

4.1

0.016

1.471

2.159

1.525

2.229

1.318

1.776

1.352

1.819

0.78

0.00273

200

5.4

0.022

1.619

2.542

1.694

2.637

1.420

2.033

1.466

2.091

1.56

0.00546

400

10.8

0.043

2.174

4.057

2.349

4.255

1.809

3.053

1.915

3.174

3.12

0.01092

800

21.6

0.086

3.120

7.008

3.549

7.440

2.507

5.058

2.760

5.317

a Based on a submultiplicative relationship between tobacco-smoking and radon.

b Exposures are represented by concentrations in bequerels per cubic meter (Bqm-3), picocuries per liter (pCiL-1), or Working Levels (WL), assumed to be constant for home occupancy at the 70% level and 40% equilibrium between radon and its progeny, and also by joules-hours per cubic meter per year (Jhm-3/y) and Working Level Months per year (WLM/y). For definitions of these terms, see the Glossary at the end of this report.
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