An International Marine-Atmospheric (222)Rn Measurement Intercomparison in Bermuda Part II: Results for the Participating Laboratories.
Identifieur interne : 003C41 ( PubMed/Corpus ); précédent : 003C40; suivant : 003C42An International Marine-Atmospheric (222)Rn Measurement Intercomparison in Bermuda Part II: Results for the Participating Laboratories.
Auteurs : R. Collé ; M P Unterweger ; J M R. Hutchinson ; S. Whittlestone ; Georges Polian ; Bénédicte Ardouin ; Jack G. Kay ; James P. Friend ; Byron W. Blomquist ; Wolfgang Nadler ; Thomas T. Dang ; R J Larsen ; A R HutterSource :
- Journal of research of the National Institute of Standards and Technology [ 1044-677X ]
Abstract
As part of an international measurement intercomparison of instruments used to measure atmospheric (222)Rn, four participating laboratories made nearly simultaneous measurements of (222)Rn activity concentration in commonly sampled, ambient air over approximately a 2 week period, and three of these four laboratories participated in the measurement comparison of 14 introduced samples with known, but undisclosed ("blind") (222)Rn activity concentration. The exercise was conducted in Bermuda in October 1991. The (222)Rn activity concentrations in ambient Bermudian air over the course of the intercomparison ranged from a few hundredths of a Bq · m(-3) to about 2 Bq · m(-3), while the standardized sample additions covered a range from approximately 2.5 Bq · m(-3) to 35 Bq · m(-3). The overall uncertainty in the latter concentrations was in the general range of 10 %, approximating a 3 standard deviation uncertainty interval. The results of the intercomparison indicated that two of the laboratories were within very good agreement with the standard additions, and almost within expected statistical variations. These same two laboratories, however, at lower ambient concentrations, exhibited a systematic difference with an averaged offset of roughly 0.3 Bq · m(-3). The third laboratory participating in the measurement of standardized sample additions was systematically low by about 65 % to 70 %, with respect to the standard addition which was also confirmed in their ambient air concentration measurements. The fourth laboratory, participating in only the ambient measurement part of the intercomparison, was also systematically low by at least 40 % with respect to the first two laboratories.
DOI: 10.6028/jres.101.006
PubMed: 27805091
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Hutchinson</name><affiliation><nlm:affiliation>National Institute of Standards and Technology, Gaithersburg, MD 20899-0001, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Whittlestone, S" sort="Whittlestone, S" uniqKey="Whittlestone S" first="S" last="Whittlestone">S. Whittlestone</name><affiliation><nlm:affiliation>Australian Nuclear Science and Technology Organization, PB1, Menai, NSW 2234 Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Polian, Georges" sort="Polian, Georges" uniqKey="Polian G" first="Georges" last="Polian">Georges Polian</name><affiliation><nlm:affiliation>Centre des Faibles Radioactivités, Laboratoire Mixte, C.N.R.S-C.E.A., 91198 Gif-sur-Yvette, France.</nlm:affiliation></affiliation></author><author><name sortKey="Ardouin, Benedicte" sort="Ardouin, Benedicte" uniqKey="Ardouin B" first="Bénédicte" last="Ardouin">Bénédicte Ardouin</name><affiliation><nlm:affiliation>Centre des Faibles Radioactivités, Laboratoire Mixte, C.N.R.S-C.E.A., 91198 Gif-sur-Yvette, France.</nlm:affiliation></affiliation></author><author><name sortKey="Kay, Jack G" sort="Kay, Jack G" uniqKey="Kay J" first="Jack G" last="Kay">Jack G. Kay</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Friend, James P" sort="Friend, James P" uniqKey="Friend J" first="James P" last="Friend">James P. Friend</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Blomquist, Byron W" sort="Blomquist, Byron W" uniqKey="Blomquist B" first="Byron W" last="Blomquist">Byron W. Blomquist</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Nadler, Wolfgang" sort="Nadler, Wolfgang" uniqKey="Nadler W" first="Wolfgang" last="Nadler">Wolfgang Nadler</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Dang, Thomas T" sort="Dang, Thomas T" uniqKey="Dang T" first="Thomas T" last="Dang">Thomas T. Dang</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Larsen, R J" sort="Larsen, R J" uniqKey="Larsen R" first="R J" last="Larsen">R J Larsen</name><affiliation><nlm:affiliation>Environmental Measurements Laboratory, U.S. Department of Energy, New York, NY 10014, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Hutter, A R" sort="Hutter, A R" uniqKey="Hutter A" first="A R" last="Hutter">A R Hutter</name><affiliation><nlm:affiliation>Environmental Measurements Laboratory, U.S. Department of Energy, New York, NY 10014, USA.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="????"><PubDate><MedlineDate>1996 Jan-Feb</MedlineDate></PubDate></date><idno type="RBID">pubmed:27805091</idno><idno type="pmid">27805091</idno><idno type="doi">10.6028/jres.101.006</idno><idno type="wicri:Area/PubMed/Corpus">003C41</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">003C41</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">An International Marine-Atmospheric (222)Rn Measurement Intercomparison in Bermuda Part II: Results for the Participating Laboratories.</title><author><name sortKey="Colle, R" sort="Colle, R" uniqKey="Colle R" first="R" last="Collé">R. Collé</name><affiliation><nlm:affiliation>National Institute of Standards and Technology, Gaithersburg, MD 20899-0001, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Unterweger, M P" sort="Unterweger, M P" uniqKey="Unterweger M" first="M P" last="Unterweger">M P Unterweger</name><affiliation><nlm:affiliation>National Institute of Standards and Technology, Gaithersburg, MD 20899-0001, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Hutchinson, J M R" sort="Hutchinson, J M R" uniqKey="Hutchinson J" first="J M R" last="Hutchinson">J M R. Hutchinson</name><affiliation><nlm:affiliation>National Institute of Standards and Technology, Gaithersburg, MD 20899-0001, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Whittlestone, S" sort="Whittlestone, S" uniqKey="Whittlestone S" first="S" last="Whittlestone">S. Whittlestone</name><affiliation><nlm:affiliation>Australian Nuclear Science and Technology Organization, PB1, Menai, NSW 2234 Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Polian, Georges" sort="Polian, Georges" uniqKey="Polian G" first="Georges" last="Polian">Georges Polian</name><affiliation><nlm:affiliation>Centre des Faibles Radioactivités, Laboratoire Mixte, C.N.R.S-C.E.A., 91198 Gif-sur-Yvette, France.</nlm:affiliation></affiliation></author><author><name sortKey="Ardouin, Benedicte" sort="Ardouin, Benedicte" uniqKey="Ardouin B" first="Bénédicte" last="Ardouin">Bénédicte Ardouin</name><affiliation><nlm:affiliation>Centre des Faibles Radioactivités, Laboratoire Mixte, C.N.R.S-C.E.A., 91198 Gif-sur-Yvette, France.</nlm:affiliation></affiliation></author><author><name sortKey="Kay, Jack G" sort="Kay, Jack G" uniqKey="Kay J" first="Jack G" last="Kay">Jack G. Kay</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Friend, James P" sort="Friend, James P" uniqKey="Friend J" first="James P" last="Friend">James P. Friend</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Blomquist, Byron W" sort="Blomquist, Byron W" uniqKey="Blomquist B" first="Byron W" last="Blomquist">Byron W. Blomquist</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Nadler, Wolfgang" sort="Nadler, Wolfgang" uniqKey="Nadler W" first="Wolfgang" last="Nadler">Wolfgang Nadler</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Dang, Thomas T" sort="Dang, Thomas T" uniqKey="Dang T" first="Thomas T" last="Dang">Thomas T. Dang</name><affiliation><nlm:affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Larsen, R J" sort="Larsen, R J" uniqKey="Larsen R" first="R J" last="Larsen">R J Larsen</name><affiliation><nlm:affiliation>Environmental Measurements Laboratory, U.S. Department of Energy, New York, NY 10014, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Hutter, A R" sort="Hutter, A R" uniqKey="Hutter A" first="A R" last="Hutter">A R Hutter</name><affiliation><nlm:affiliation>Environmental Measurements Laboratory, U.S. Department of Energy, New York, NY 10014, USA.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Journal of research of the National Institute of Standards and Technology</title><idno type="ISSN">1044-677X</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">As part of an international measurement intercomparison of instruments used to measure atmospheric (222)Rn, four participating laboratories made nearly simultaneous measurements of (222)Rn activity concentration in commonly sampled, ambient air over approximately a 2 week period, and three of these four laboratories participated in the measurement comparison of 14 introduced samples with known, but undisclosed ("blind") (222)Rn activity concentration. The exercise was conducted in Bermuda in October 1991. The (222)Rn activity concentrations in ambient Bermudian air over the course of the intercomparison ranged from a few hundredths of a Bq · m(-3) to about 2 Bq · m(-3), while the standardized sample additions covered a range from approximately 2.5 Bq · m(-3) to 35 Bq · m(-3). The overall uncertainty in the latter concentrations was in the general range of 10 %, approximating a 3 standard deviation uncertainty interval. The results of the intercomparison indicated that two of the laboratories were within very good agreement with the standard additions, and almost within expected statistical variations. These same two laboratories, however, at lower ambient concentrations, exhibited a systematic difference with an averaged offset of roughly 0.3 Bq · m(-3). The third laboratory participating in the measurement of standardized sample additions was systematically low by about 65 % to 70 %, with respect to the standard addition which was also confirmed in their ambient air concentration measurements. The fourth laboratory, participating in only the ambient measurement part of the intercomparison, was also systematically low by at least 40 % with respect to the first two laboratories.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">27805091</PMID><DateCreated><Year>2016</Year><Month>11</Month><Day>02</Day></DateCreated><DateRevised><Year>2017</Year><Month>02</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1044-677X</ISSN><JournalIssue CitedMedium="Print"><Volume>101</Volume><Issue>1</Issue><PubDate><MedlineDate>1996 Jan-Feb</MedlineDate></PubDate></JournalIssue><Title>Journal of research of the National Institute of Standards and Technology</Title><ISOAbbreviation>J Res Natl Inst Stand Technol</ISOAbbreviation></Journal><ArticleTitle>An International Marine-Atmospheric (222)Rn Measurement Intercomparison in Bermuda Part II: Results for the Participating Laboratories.</ArticleTitle><Pagination><MedlinePgn>21-46</MedlinePgn></Pagination><Abstract><AbstractText>As part of an international measurement intercomparison of instruments used to measure atmospheric (222)Rn, four participating laboratories made nearly simultaneous measurements of (222)Rn activity concentration in commonly sampled, ambient air over approximately a 2 week period, and three of these four laboratories participated in the measurement comparison of 14 introduced samples with known, but undisclosed ("blind") (222)Rn activity concentration. The exercise was conducted in Bermuda in October 1991. The (222)Rn activity concentrations in ambient Bermudian air over the course of the intercomparison ranged from a few hundredths of a Bq · m(-3) to about 2 Bq · m(-3), while the standardized sample additions covered a range from approximately 2.5 Bq · m(-3) to 35 Bq · m(-3). The overall uncertainty in the latter concentrations was in the general range of 10 %, approximating a 3 standard deviation uncertainty interval. The results of the intercomparison indicated that two of the laboratories were within very good agreement with the standard additions, and almost within expected statistical variations. These same two laboratories, however, at lower ambient concentrations, exhibited a systematic difference with an averaged offset of roughly 0.3 Bq · m(-3). The third laboratory participating in the measurement of standardized sample additions was systematically low by about 65 % to 70 %, with respect to the standard addition which was also confirmed in their ambient air concentration measurements. The fourth laboratory, participating in only the ambient measurement part of the intercomparison, was also systematically low by at least 40 % with respect to the first two laboratories.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Collé</LastName><ForeName>R</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>National Institute of Standards and Technology, Gaithersburg, MD 20899-0001, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Unterweger</LastName><ForeName>M P</ForeName><Initials>MP</Initials><AffiliationInfo><Affiliation>National Institute of Standards and Technology, Gaithersburg, MD 20899-0001, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hutchinson</LastName><ForeName>J M R</ForeName><Initials>JM</Initials><AffiliationInfo><Affiliation>National Institute of Standards and Technology, Gaithersburg, MD 20899-0001, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Whittlestone</LastName><ForeName>S</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Australian Nuclear Science and Technology Organization, PB1, Menai, NSW 2234 Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Polian</LastName><ForeName>Georges</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Centre des Faibles Radioactivités, Laboratoire Mixte, C.N.R.S-C.E.A., 91198 Gif-sur-Yvette, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ardouin</LastName><ForeName>Bénédicte</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Centre des Faibles Radioactivités, Laboratoire Mixte, C.N.R.S-C.E.A., 91198 Gif-sur-Yvette, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kay</LastName><ForeName>Jack G</ForeName><Initials>JG</Initials><AffiliationInfo><Affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Friend</LastName><ForeName>James P</ForeName><Initials>JP</Initials><AffiliationInfo><Affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Blomquist</LastName><ForeName>Byron W</ForeName><Initials>BW</Initials><AffiliationInfo><Affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Nadler</LastName><ForeName>Wolfgang</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dang</LastName><ForeName>Thomas T</ForeName><Initials>TT</Initials><AffiliationInfo><Affiliation>Atmospheric Chemistry Laboratories, Department of Chemistry, Drexel University, 32nd & Chestnut Streets, Philadelphia, PA 19104, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Larsen</LastName><ForeName>R J</ForeName><Initials>RJ</Initials><AffiliationInfo><Affiliation>Environmental Measurements Laboratory, U.S. Department of Energy, New York, NY 10014, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hutter</LastName><ForeName>A R</ForeName><Initials>AR</Initials><AffiliationInfo><Affiliation>Environmental Measurements Laboratory, U.S. Department of Energy, New York, NY 10014, USA.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Res Natl Inst Stand Technol</MedlineTA><NlmUniqueID>8912688</NlmUniqueID><ISSNLinking>1044-677X</ISSNLinking></MedlineJournalInfo><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Health Phys. 1985 Nov;49(5):847-52</RefSource><PMID Version="1">4066344</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Health Phys. 1970 Feb;18(2):113-22</RefSource><PMID Version="1">5416363</PMID></CommentsCorrections></CommentsCorrectionsList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">air</Keyword><Keyword MajorTopicYN="N">environment</Keyword><Keyword MajorTopicYN="N">intercomparison</Keyword><Keyword MajorTopicYN="N">marine atmosphere</Keyword><Keyword MajorTopicYN="N">measurement</Keyword><Keyword MajorTopicYN="N">radon-222</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1996</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1996</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1996</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27805091</ArticleId><ArticleId IdType="doi">10.6028/jres.101.006</ArticleId><ArticleId IdType="pii">j1coii</ArticleId><ArticleId IdType="pmc">PMC4907605</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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