Lung dose estimates from {sup 222}Rn in Arizona groundwater based on liquid scintillation measurements
Journal Article
·
· Health Physics
- Arizona State Univ., Tempe, AZ (United States); and others
Since August 1989, {sup 222}Rn groundwater samples from across the state of Arizona have been collected and analyzed using liquid scintillation. Of the 253 specimens acquired, 65% have {sup 222}Rn concentrations above 11 Bq L{sup {minus}1}(300 pCi L{sup {minus}1}), while 16% have {sup 222}Rn activities over 37 Bq L-1 (19000 pCi L{sup {minus}1}). The geometric mean {sup 222}Rn concentration for all the wells tested is 13 Bq L{sup {minus}1}{sub {divided_by}}{sup {times}}4; the arithmetic mean is 37 {plus_minus} 122 Bq L{sup {minus}1}. Using the geometric mean, it is estimated that an additional tracheobronchial lung dose equivalent of 0.19 mSv y{sup -1}{sub {divided_by}}{sup {times}}3.9 is delivered to Arizona residents from the well water to home pathway.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 249956
- Journal Information:
- Health Physics, Journal Name: Health Physics Journal Issue: 5 Vol. 68; ISSN HLTPAO; ISSN 0017-9078
- Country of Publication:
- United States
- Language:
- English
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