Study of background radiation dose in Mysore city, Karnataka State, India
Inhalation of radon/thoron and their decay products is the major contribution to the total dose to the population from the natural radiation. Long duration measurements of these gases and their progeny concentrations were made in about 200 dwellings of the Mysore city using the SSNTD techniques for...
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| Veröffentlicht in: | Radiation measurements 2003-02, Vol.37 (1), p.55-65 |
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| creator | Sannappa, J. Chandrashekara, M.S. Sathish, L.A. Paramesh, L. Venkataramaiah, P. |
| description | Inhalation of radon/thoron and their decay products is the major contribution to the total dose to the population from the natural radiation. Long duration measurements of these gases and their progeny concentrations were made in about 200 dwellings of the Mysore city using the SSNTD techniques for 1 year. The detector used at each house was fixed
2
m
above the ground-floor. After the exposure time of 3 months films were etched in
2.5
N
, NaOH solution at 60°C for
60
min
. From the track density determined using spark counter, concentrations of radon/thoron levels were evaluated. The working level concentrations of radon/thoron was calculated from the equilibrium factor, leading to the estimation of the inhalation dose. Radon in bore-well water at different locations of Mysore city was examined using the emanometry and exposure dose from ingestion of drinking water was estimated. The ambient gamma radiation of equivalent effective dose both in indoor and outdoor at different parts of Mysore city was determined using scintillometer. The activity of
226
Ra
,
232
Th
and
40
K
in soil were measured using spectrometer. The concentrations of radon/thoron and their progeny, ambient gamma, the activity of
226
Ra
,
232
Th
and
40
K
presented and analyzed. |
| doi_str_mv | 10.1016/S1350-4487(02)00126-9 |
| format | Article |
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2
m
above the ground-floor. After the exposure time of 3 months films were etched in
2.5
N
, NaOH solution at 60°C for
60
min
. From the track density determined using spark counter, concentrations of radon/thoron levels were evaluated. The working level concentrations of radon/thoron was calculated from the equilibrium factor, leading to the estimation of the inhalation dose. Radon in bore-well water at different locations of Mysore city was examined using the emanometry and exposure dose from ingestion of drinking water was estimated. The ambient gamma radiation of equivalent effective dose both in indoor and outdoor at different parts of Mysore city was determined using scintillometer. The activity of
226
Ra
,
232
Th
and
40
K
in soil were measured using spectrometer. The concentrations of radon/thoron and their progeny, ambient gamma, the activity of
226
Ra
,
232
Th
and
40
K
presented and analyzed.</description><identifier>ISSN: 1350-4487</identifier><identifier>EISSN: 1879-0925</identifier><identifier>DOI: 10.1016/S1350-4487(02)00126-9</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Earth sciences ; Earth, ocean, space ; Emanometry ; Exact sciences and technology ; Geochronology ; HPGe ; India ; Isotope geochemistry. Geochronology ; Mysore ; Radiation dose ; Scintillometer ; SSNTD</subject><ispartof>Radiation measurements, 2003-02, Vol.37 (1), p.55-65</ispartof><rights>2002 Elsevier Science Ltd</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c434t-54c28c7ff2b140736be2cfb10e51a44584e0de940ee6d4f20549139002b50c0c3</citedby><cites>FETCH-LOGICAL-c434t-54c28c7ff2b140736be2cfb10e51a44584e0de940ee6d4f20549139002b50c0c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1350448702001269$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14441860$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Sannappa, J.</creatorcontrib><creatorcontrib>Chandrashekara, M.S.</creatorcontrib><creatorcontrib>Sathish, L.A.</creatorcontrib><creatorcontrib>Paramesh, L.</creatorcontrib><creatorcontrib>Venkataramaiah, P.</creatorcontrib><title>Study of background radiation dose in Mysore city, Karnataka State, India</title><title>Radiation measurements</title><description>Inhalation of radon/thoron and their decay products is the major contribution to the total dose to the population from the natural radiation. Long duration measurements of these gases and their progeny concentrations were made in about 200 dwellings of the Mysore city using the SSNTD techniques for 1 year. The detector used at each house was fixed
2
m
above the ground-floor. After the exposure time of 3 months films were etched in
2.5
N
, NaOH solution at 60°C for
60
min
. From the track density determined using spark counter, concentrations of radon/thoron levels were evaluated. The working level concentrations of radon/thoron was calculated from the equilibrium factor, leading to the estimation of the inhalation dose. Radon in bore-well water at different locations of Mysore city was examined using the emanometry and exposure dose from ingestion of drinking water was estimated. The ambient gamma radiation of equivalent effective dose both in indoor and outdoor at different parts of Mysore city was determined using scintillometer. The activity of
226
Ra
,
232
Th
and
40
K
in soil were measured using spectrometer. The concentrations of radon/thoron and their progeny, ambient gamma, the activity of
226
Ra
,
232
Th
and
40
K
presented and analyzed.</description><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Emanometry</subject><subject>Exact sciences and technology</subject><subject>Geochronology</subject><subject>HPGe</subject><subject>India</subject><subject>Isotope geochemistry. Geochronology</subject><subject>Mysore</subject><subject>Radiation dose</subject><subject>Scintillometer</subject><subject>SSNTD</subject><issn>1350-4487</issn><issn>1879-0925</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhosouK7-BCEXRWGrkzTpx0lk8WNxxcPqOaTpVOJ2G01Sof_e7od49DRzeN55mSeKTilcUaDp9YImAmLO8-wC2CUAZWlc7EUjmmdFDAUT-8P-ixxGR95_AAAvUjGKZovQVT2xNSmVXr4727UVcaoyKhjbksp6JKYlz723Dok2oZ-QJ-VaFdRSkUVQASdk1g78cXRQq8bjyW6Oo7f7u9fpYzx_eZhNb-ex5gkPseCa5Tqra1ZSDlmSlsh0XVJAQRXnIucIFRYcENOK1wwEL2hSALBSgAadjKPz7d1PZ7869EGujNfYNKpF23lJ81RkOcAAii2onfXeYS0_nVkp10sKci1ObsTJtRUJTG7EyWLIne0KlNeqqZ1qtfF_Yc750LG-f7PlcPj226CTXhtsNVbGoQ6ysuafph-fT4Cb</recordid><startdate>20030201</startdate><enddate>20030201</enddate><creator>Sannappa, J.</creator><creator>Chandrashekara, M.S.</creator><creator>Sathish, L.A.</creator><creator>Paramesh, L.</creator><creator>Venkataramaiah, P.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T2</scope><scope>7TV</scope><scope>7U2</scope><scope>C1K</scope></search><sort><creationdate>20030201</creationdate><title>Study of background radiation dose in Mysore city, Karnataka State, India</title><author>Sannappa, J. ; Chandrashekara, M.S. ; Sathish, L.A. ; Paramesh, L. ; Venkataramaiah, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-54c28c7ff2b140736be2cfb10e51a44584e0de940ee6d4f20549139002b50c0c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Emanometry</topic><topic>Exact sciences and technology</topic><topic>Geochronology</topic><topic>HPGe</topic><topic>India</topic><topic>Isotope geochemistry. Geochronology</topic><topic>Mysore</topic><topic>Radiation dose</topic><topic>Scintillometer</topic><topic>SSNTD</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sannappa, J.</creatorcontrib><creatorcontrib>Chandrashekara, M.S.</creatorcontrib><creatorcontrib>Sathish, L.A.</creatorcontrib><creatorcontrib>Paramesh, L.</creatorcontrib><creatorcontrib>Venkataramaiah, P.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Pollution Abstracts</collection><collection>Safety Science and Risk</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Radiation measurements</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sannappa, J.</au><au>Chandrashekara, M.S.</au><au>Sathish, L.A.</au><au>Paramesh, L.</au><au>Venkataramaiah, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of background radiation dose in Mysore city, Karnataka State, India</atitle><jtitle>Radiation measurements</jtitle><date>2003-02-01</date><risdate>2003</risdate><volume>37</volume><issue>1</issue><spage>55</spage><epage>65</epage><pages>55-65</pages><issn>1350-4487</issn><eissn>1879-0925</eissn><abstract>Inhalation of radon/thoron and their decay products is the major contribution to the total dose to the population from the natural radiation. Long duration measurements of these gases and their progeny concentrations were made in about 200 dwellings of the Mysore city using the SSNTD techniques for 1 year. The detector used at each house was fixed
2
m
above the ground-floor. After the exposure time of 3 months films were etched in
2.5
N
, NaOH solution at 60°C for
60
min
. From the track density determined using spark counter, concentrations of radon/thoron levels were evaluated. The working level concentrations of radon/thoron was calculated from the equilibrium factor, leading to the estimation of the inhalation dose. Radon in bore-well water at different locations of Mysore city was examined using the emanometry and exposure dose from ingestion of drinking water was estimated. The ambient gamma radiation of equivalent effective dose both in indoor and outdoor at different parts of Mysore city was determined using scintillometer. The activity of
226
Ra
,
232
Th
and
40
K
in soil were measured using spectrometer. The concentrations of radon/thoron and their progeny, ambient gamma, the activity of
226
Ra
,
232
Th
and
40
K
presented and analyzed.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/S1350-4487(02)00126-9</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
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| issn | 1350-4487 1879-0925 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Earth sciences Earth, ocean, space Emanometry Exact sciences and technology Geochronology HPGe India Isotope geochemistry. Geochronology Mysore Radiation dose Scintillometer SSNTD |
| title | Study of background radiation dose in Mysore city, Karnataka State, India |
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