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Items: 26

1.

Airborne concentrations and chemical considerations of radioactive ruthenium from an undeclared major nuclear release in 2017.

Masson O, Steinhauser G, Zok D, Saunier O, Angelov H, Babić D, Bečková V, Bieringer J, Bruggeman M, Burbidge CI, Conil S, Dalheimer A, De Geer LE, de Vismes Ott A, Eleftheriadis K, Estier S, Fischer H, Garavaglia MG, Gasco Leonarte C, Gorzkiewicz K, Hainz D, Hoffman I, Hýža M, Isajenko K, Karhunen T, Kastlander J, Katzlberger C, Kierepko R, Knetsch GJ, Kövendiné Kónyi J, Lecomte M, Mietelski JW, Min P, Møller B, Nielsen SP, Nikolic J, Nikolovska L, Penev I, Petrinec B, Povinec PP, Querfeld R, Raimondi O, Ransby D, Ringer W, Romanenko O, Rusconi R, Saey PRJ, Samsonov V, Šilobritienė B, Simion E, Söderström C, Šoštarić M, Steinkopff T, Steinmann P, Sýkora I, Tabachnyi L, Todorovic D, Tomankiewicz E, Tschiersch J, Tsibranski R, Tzortzis M, Ungar K, Vidic A, Weller A, Wershofen H, Zagyvai P, Zalewska T, Zapata García D, Zorko B.

Proc Natl Acad Sci U S A. 2019 Aug 20;116(34):16750-16759. doi: 10.1073/pnas.1907571116. Epub 2019 Jul 26.

2.

Observation of Ground-level Enhancement Across Canada's Fixed Point Surveillance Network During the 20 January 2005 Solar Event.

Liu C, Ungar K, Zhang W, Korpach E, Benotto M, Pellerin E.

Health Phys. 2019 Sep;117(3):291-299. doi: 10.1097/HP.0000000000001098.

PMID:
31349355
3.

The development of a digital gamma-gamma coincidence/anticoincidence spectrometer and its applications to monitor low-level atmospheric 22Na/7Be activity ratios in Resolute Bay, Canada.

Zhang W, Lam K, Ungar K.

J Environ Radioact. 2018 Dec;192:434-439. doi: 10.1016/j.jenvrad.2018.07.022. Epub 2018 Jul 29.

PMID:
30064089
4.

Potential Source Apportionment and Meteorological Conditions Involved in Airborne 131I Detections in January/February 2017 in Europe.

Masson O, Steinhauser G, Wershofen H, Mietelski JW, Fischer HW, Pourcelot L, Saunier O, Bieringer J, Steinkopff T, Hýža M, Møller B, Bowyer TW, Dalaka E, Dalheimer A, de Vismes-Ott A, Eleftheriadis K, Forte M, Gasco Leonarte C, Gorzkiewicz K, Homoki Z, Isajenko K, Karhunen T, Katzlberger C, Kierepko R, Kövendiné Kónyi J, Malá H, Nikolic J, Povinec PP, Rajacic M, Ringer W, Rulík P, Rusconi R, Sáfrány G, Sykora I, Todorović D, Tschiersch J, Ungar K, Zorko B.

Environ Sci Technol. 2018 Aug 7;52(15):8488-8500. doi: 10.1021/acs.est.8b01810. Epub 2018 Jul 23.

PMID:
29979581
5.

Development of a national cosmic-ray dose monitoring system with Health Canada's Fixed Point Surveillance network.

Liu C, Zhang W, Ungar K, Korpach E, White B, Benotto M, Pellerin E.

J Environ Radioact. 2018 Oct;190-191:31-38. doi: 10.1016/j.jenvrad.2018.04.023. Epub 2018 May 15.

PMID:
29747014
6.

Gamma spectrum and coincidence summation simulations with Geant4 in the analysis of radionuclide using BEGe detector.

Liu C, Zhang W, Pierce D, Ungar K, Tulk C, Bean M.

Appl Radiat Isot. 2018 Jul;137:210-218. doi: 10.1016/j.apradiso.2018.04.003. Epub 2018 Apr 5.

PMID:
29655127
7.
8.

Evaluation of mean transit time of aerosols from the area of origin to the Arctic with 210Pb/210Po daily monitoring data.

Zhang W, Sadi B, Rinaldo C, Chen J, Spencer N, Ungar K.

J Environ Radioact. 2018 Aug;188:79-86. doi: 10.1016/j.jenvrad.2017.09.027. Epub 2017 Oct 17.

PMID:
29050725
9.

The wide spectrum high biocidal potency of Bioxy formulation when dissolved in water at different concentrations.

Dagher D, Ungar K, Robison R, Dagher F.

PLoS One. 2017 Feb 16;12(2):e0172224. doi: 10.1371/journal.pone.0172224. eCollection 2017.

10.

Analysis of 22Na using a spectral summation technique on high-volume aerosol samples.

Hoffman I, Lewis B, Chan P, Ungar K.

J Environ Radioact. 2017 Apr;169-170:151-158. doi: 10.1016/j.jenvrad.2017.01.004. Epub 2017 Jan 21.

11.

Cosmic-muon intensity measurement and overburden estimation in a building at surface level and in an underground facility using two BC408 scintillation detectors coincidence counting system.

Zhang W, Ungar K, Liu C, Mailhot M.

J Environ Radioact. 2016 Oct;162-163:340-346. doi: 10.1016/j.jenvrad.2016.06.011. Epub 2016 Jun 21.

PMID:
27340860
12.

Particle Density Using Deposition Filters at the Full Scale RDD Experiments.

Berg R, Gilhuly C, Korpach E, Ungar K.

Health Phys. 2016 May;110(5):471-80. doi: 10.1097/HP.0000000000000505.

PMID:
27023034
13.

International challenge to predict the impact of radioxenon releases from medical isotope production on a comprehensive nuclear test ban treaty sampling station.

Eslinger PW, Bowyer TW, Achim P, Chai T, Deconninck B, Freeman K, Generoso S, Hayes P, Heidmann V, Hoffman I, Kijima Y, Krysta M, Malo A, Maurer C, Ngan F, Robins P, Ross JO, Saunier O, Schlosser C, Schöppner M, Schrom BT, Seibert P, Stein AF, Ungar K, Yi J.

J Environ Radioact. 2016 Jun;157:41-51. doi: 10.1016/j.jenvrad.2016.03.001. Epub 2016 Mar 19.

PMID:
26998569
14.

Estimation of the Arctic aerosols from local and long-range transport using relationships between ²¹⁰Pb and ²¹²Pb atmospheric activity concentrations.

Zhang W, Chen J, Ungar K, Cooke M.

J Environ Radioact. 2015 Mar;141:123-9. doi: 10.1016/j.jenvrad.2014.12.008. Epub 2015 Jan 8.

PMID:
25576834
15.

A gamma-gamma coincidence/anticoincidence spectrometer for low-level cosmogenic (22)Na/(7)Be activity ratio measurement.

Zhang W, Ungar K, Stukel M, Mekarski P.

J Environ Radioact. 2014 Apr;130:1-6. doi: 10.1016/j.jenvrad.2013.12.018. Epub 2014 Jan 9.

PMID:
24412563
16.

Bayesian Inference for Source Reconstruction: A Real-World Application.

Yee E, Hoffman I, Ungar K.

Int Sch Res Notices. 2014 Sep 25;2014:507634. doi: 10.1155/2014/507634. eCollection 2014.

17.

Radioxenon detections in the CTBT international monitoring system likely related to the announced nuclear test in North Korea on February 12, 2013.

Ringbom A, Axelsson A, Aldener M, Auer M, Bowyer TW, Fritioff T, Hoffman I, Khrustalev K, Nikkinen M, Popov V, Popov Y, Ungar K, Wotawa G.

J Environ Radioact. 2014 Feb;128:47-63. doi: 10.1016/j.jenvrad.2013.10.027. Epub 2013 Nov 30.

18.

Source term estimation of radioxenon released from the Fukushima Dai-ichi nuclear reactors using measured air concentrations and atmospheric transport modeling.

Eslinger PW, Biegalski SR, Bowyer TW, Cooper MW, Haas DA, Hayes JC, Hoffman I, Korpach E, Yi J, Miley HS, Rishel JP, Ungar K, White B, Woods VT.

J Environ Radioact. 2014 Jan;127:127-32. doi: 10.1016/j.jenvrad.2013.10.013. Epub 2013 Nov 6.

PMID:
24211671
19.

Performance evaluation and optimization for a newly developed digital list-mode data acquisition Compton suppression spectrometer.

Zhang W, Keeshan B, Mekarski P, Yi J, Ungar K.

Appl Radiat Isot. 2013 Nov;81:96-102. doi: 10.1016/j.apradiso.2013.02.002. Epub 2013 Feb 26.

PMID:
23497957
20.

Testing of an automatic outdoor gamma ambient dose-rate surveillance system in Tokyo and its calibration using measured deposition after the Fukushima nuclear accident.

Zhang W, Korpach E, Berg R, Ungar K.

J Environ Radioact. 2013 Nov;125:93-8. doi: 10.1016/j.jenvrad.2012.12.011. Epub 2013 Jan 11.

PMID:
23317566
21.

Development of a new aerosol monitoring system and its application in Fukushima nuclear accident related aerosol radioactivity measurement at the CTBT radionuclide station in Sidney of Canada.

Zhang W, Bean M, Benotto M, Cheung J, Ungar K, Ahier B.

J Environ Radioact. 2011 Dec;102(12):1065-9. doi: 10.1016/j.jenvrad.2011.08.007. Epub 2011 Aug 26.

PMID:
21872373
22.

Quantification of 235U and 238U activity concentrations for undeclared nuclear materials by a digital gamma-gamma coincidence spectroscopy.

Zhang W, Yi J, Mekarski P, Ungar K, Hauck B, Kramer GH.

Appl Radiat Isot. 2011 Jun;69(6):904-7. doi: 10.1016/j.apradiso.2011.02.036. Epub 2011 Feb 26.

PMID:
21411329
23.

Beta-gamma coincidence counting efficiency and energy resolution optimization by Geant4 Monte Carlo simulations for a phoswich well detector.

Zhang W, Mekarski P, Ungar K.

Appl Radiat Isot. 2010 Dec;68(12):2377-81. doi: 10.1016/j.apradiso.2010.06.007. Epub 2010 Jun 22.

PMID:
20598559
24.

Monte Carlo simulation of a PhosWatch detector using Geant4 for xenon isotope beta-gamma coincidence spectrum profile and detection efficiency calculations.

Mekarski P, Zhang W, Ungar K, Bean M, Korpach E.

Appl Radiat Isot. 2009 Oct;67(10):1957-63. doi: 10.1016/j.apradiso.2009.07.005. Epub 2009 Jul 18.

PMID:
19647444
26.

The INVITTOX Data Bank of in-vitro techniques in toxicology.

Ungar K.

Hum Exp Toxicol. 1992 May;11(3):151-4.

PMID:
1352108

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