Radon levels in underground workplaces – results of a nationwide survey in Italy
In Italy an extensive survey has been carried out with the aim to evaluate annual average radon concentration in underground workplaces. The survey covered 933 underground rooms located in 311 bank workplaces spread throughout in all Italian regions; at this scope the sampling was stratified random...
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| Veröffentlicht in: | Radiation measurements 2012-02, Vol.47 (2), p.178-181 |
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| creator | Trevisi, Rosabianca Orlando, Claudia Orlando, Paolo Amici, Mario Simeoni, Carla |
| description | In Italy an extensive survey has been carried out with the aim to evaluate annual average radon concentration in underground workplaces.
The survey covered 933 underground rooms located in 311 bank workplaces spread throughout in all Italian regions; at this scope the sampling was stratified random in order to be representative on national scale. The annual radon concentration was estimated by using passive radon dosemeters (NRPB/SSI type holder and CR-39 as detector): the devices were exposed for a period of about 3 months and 4 cycles were performed to cover a solar year. The radon levels in underground workplaces ranged from 27 to 4851 Bq/m3 with an overall mean value of 153 Bq/m3. As expected, radon distribution is not uniform throughout Italy: in several regions high radon annual averages have been found, confirming previous surveys.
The analysis of data shows a high variability among regions and intra-region but low spread among rooms belonging to the same workplace.
About 5% of underground workplaces displayed radon concentration exceeding 400 Bq/m3, and the 4.4% exceeds 500 Bq/m3, the national action level for the exposure to natural radioactivity in workplaces.
► An extensive survey has been carried out to evaluate annual average radon concentration in Italian underground workplaces. ► The survey covered 933 underground workplaces located in 311 bank branches. ► The average annual radon concentration, estimated by using NRPB/SSI passive devices is 153 Bq/m3. ► Radon distribution is not uniform among Italian regions and within each region. |
| doi_str_mv | 10.1016/j.radmeas.2011.11.004 |
| format | Article |
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The survey covered 933 underground rooms located in 311 bank workplaces spread throughout in all Italian regions; at this scope the sampling was stratified random in order to be representative on national scale. The annual radon concentration was estimated by using passive radon dosemeters (NRPB/SSI type holder and CR-39 as detector): the devices were exposed for a period of about 3 months and 4 cycles were performed to cover a solar year. The radon levels in underground workplaces ranged from 27 to 4851 Bq/m3 with an overall mean value of 153 Bq/m3. As expected, radon distribution is not uniform throughout Italy: in several regions high radon annual averages have been found, confirming previous surveys.
The analysis of data shows a high variability among regions and intra-region but low spread among rooms belonging to the same workplace.
About 5% of underground workplaces displayed radon concentration exceeding 400 Bq/m3, and the 4.4% exceeds 500 Bq/m3, the national action level for the exposure to natural radioactivity in workplaces.
► An extensive survey has been carried out to evaluate annual average radon concentration in Italian underground workplaces. ► The survey covered 933 underground workplaces located in 311 bank branches. ► The average annual radon concentration, estimated by using NRPB/SSI passive devices is 153 Bq/m3. ► Radon distribution is not uniform among Italian regions and within each region.</description><identifier>ISSN: 1350-4487</identifier><identifier>EISSN: 1879-0925</identifier><identifier>DOI: 10.1016/j.radmeas.2011.11.004</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Geochronology ; Isotope geochemistry. Geochronology ; Italy ; Natural radioactivity ; Passive dosemeters ; Radiation measurement ; Radon ; Radon levels ; Sampling ; Spreads ; Underground ; Underground workplaces ; Workplaces</subject><ispartof>Radiation measurements, 2012-02, Vol.47 (2), p.178-181</ispartof><rights>2011 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c404t-6d6cacde2749741e5070d1530a7b4e46bd7fa5c8b5fbd3321e476782ef2b97db3</citedby><cites>FETCH-LOGICAL-c404t-6d6cacde2749741e5070d1530a7b4e46bd7fa5c8b5fbd3321e476782ef2b97db3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.radmeas.2011.11.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25601720$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Trevisi, Rosabianca</creatorcontrib><creatorcontrib>Orlando, Claudia</creatorcontrib><creatorcontrib>Orlando, Paolo</creatorcontrib><creatorcontrib>Amici, Mario</creatorcontrib><creatorcontrib>Simeoni, Carla</creatorcontrib><title>Radon levels in underground workplaces – results of a nationwide survey in Italy</title><title>Radiation measurements</title><description>In Italy an extensive survey has been carried out with the aim to evaluate annual average radon concentration in underground workplaces.
The survey covered 933 underground rooms located in 311 bank workplaces spread throughout in all Italian regions; at this scope the sampling was stratified random in order to be representative on national scale. The annual radon concentration was estimated by using passive radon dosemeters (NRPB/SSI type holder and CR-39 as detector): the devices were exposed for a period of about 3 months and 4 cycles were performed to cover a solar year. The radon levels in underground workplaces ranged from 27 to 4851 Bq/m3 with an overall mean value of 153 Bq/m3. As expected, radon distribution is not uniform throughout Italy: in several regions high radon annual averages have been found, confirming previous surveys.
The analysis of data shows a high variability among regions and intra-region but low spread among rooms belonging to the same workplace.
About 5% of underground workplaces displayed radon concentration exceeding 400 Bq/m3, and the 4.4% exceeds 500 Bq/m3, the national action level for the exposure to natural radioactivity in workplaces.
► An extensive survey has been carried out to evaluate annual average radon concentration in Italian underground workplaces. ► The survey covered 933 underground workplaces located in 311 bank branches. ► The average annual radon concentration, estimated by using NRPB/SSI passive devices is 153 Bq/m3. ► Radon distribution is not uniform among Italian regions and within each region.</description><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Geochronology</subject><subject>Isotope geochemistry. 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The survey covered 933 underground rooms located in 311 bank workplaces spread throughout in all Italian regions; at this scope the sampling was stratified random in order to be representative on national scale. The annual radon concentration was estimated by using passive radon dosemeters (NRPB/SSI type holder and CR-39 as detector): the devices were exposed for a period of about 3 months and 4 cycles were performed to cover a solar year. The radon levels in underground workplaces ranged from 27 to 4851 Bq/m3 with an overall mean value of 153 Bq/m3. As expected, radon distribution is not uniform throughout Italy: in several regions high radon annual averages have been found, confirming previous surveys.
The analysis of data shows a high variability among regions and intra-region but low spread among rooms belonging to the same workplace.
About 5% of underground workplaces displayed radon concentration exceeding 400 Bq/m3, and the 4.4% exceeds 500 Bq/m3, the national action level for the exposure to natural radioactivity in workplaces.
► An extensive survey has been carried out to evaluate annual average radon concentration in Italian underground workplaces. ► The survey covered 933 underground workplaces located in 311 bank branches. ► The average annual radon concentration, estimated by using NRPB/SSI passive devices is 153 Bq/m3. ► Radon distribution is not uniform among Italian regions and within each region.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.radmeas.2011.11.004</doi><tpages>4</tpages></addata></record> |
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| subjects | Earth sciences Earth, ocean, space Exact sciences and technology Geochronology Isotope geochemistry. Geochronology Italy Natural radioactivity Passive dosemeters Radiation measurement Radon Radon levels Sampling Spreads Underground Underground workplaces Workplaces |
| title | Radon levels in underground workplaces – results of a nationwide survey in Italy |
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