This is an old revision of the document!
This site contains a listing of Radon-related work and measurements of interest primarily to the low-background physics community. If you have, or know of interesting measurements which should be included, please contact Michael Ronquest («michael DOT ronquest at gmail DOT COM »), Keith Rielage (« rielagek at lanl DOT GOV»)
Category | Material | Measurement | Units | Date Made | Collaboration or Research Group | Citation | Link | Notes / Picture | |
---|---|---|---|---|---|---|---|---|---|
Acrylic | Black Acrylic Sheet | (6 +/- 1), (8 +/- 1), (6.9 +/- .8) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Adhesive | Master Bond ZP45HT | (< .86) | mBq per square meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Beads | Kynar PVDF Beads | <.2 | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Beads | Himont SV956 Beads | (4.4 +/- .3),(.9 +/- .1), (.6 +/- .2) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Beads | Himont SV258 Beads | <.2 | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Beads | Diakon MnO2 Beads | (.026 +/- .003) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Cable | Coaxial Cable 9067 (high density polyurethane outer jacket) | (<.6) | per meter per hour | 1993 | Queens University | Manqing Liu, H.W. Lee, A.B. McDonald, 222Rn emanation into vacuum, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 329, Issues 1-2, 15 May 1993, Pages 291-298 | http://www.sciencedirect.com/science/article/pii/016890029390948H | ||
Cable | Twinaxial PE cable | (<2) | per meter per hour | 1993 | Queens University | Manqing Liu, H.W. Lee, A.B. McDonald, 222Rn emanation into vacuum, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 329, Issues 1-2, 15 May 1993, Pages 291-298 | http://www.sciencedirect.com/science/article/pii/016890029390948H | ||
Cable | Coaxial Cable 8240 | (6 +/- 2) | per meter per hour | 1993 | Queens University | Manqing Liu, H.W. Lee, A.B. McDonald, 222Rn emanation into vacuum, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 329, Issues 1-2, 15 May 1993, Pages 291-298 | http://www.sciencedirect.com/science/article/pii/016890029390948H | ||
Carbon | Activated Carbon (CarboAct) | (0.3 +/- 0.1), (0.6+/- 0.3) | mBq/kg | 2005 | Max Planck Institute for Nuclear Physics/ Borexino | Zuzel, G., 2005. Highly sensitive measurements of 222Rn emanation and diffusion, Topical Workshop in Low Radioactivity Techniques: LRT 2004. In: AIP Conference Proceedings, Vol. 785, pp. 142-149. | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APCPCS000785000001000142000001&idtype=cvips&gifs=yes | Used in the LTA I(II) of the Borexino nitrogen plant | |
Carbon | Carbosieve SIII (820m2/g) | (0.67+/-0.17),(1.5+/-0.3),(8.0+/- 0.6) | mBq/kg | 2009 | Max Planck Institute for Nuclear Physics/ Borexino / GERDA | G. Zuzel, H. Simgen, High sensitivity radon emanation measurements, Applied Radiation and Isotopes, Volume 67, Issue 5, 5th International Conference on Radionuclide Metrology - Low-Level Radioactivity Measurement Techniques ICRM-LLRMT'08, May 2009, Pages 889-893 | http://www.sciencedirect.com/science/article/pii/S0969804309000608 | At 20C, 150C and 330C respectively | |
Connection | NPT Connection - KAMMER | (79 +/- 24) | micro Bq | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | Teflon Sealed | |
Connection | VCR 1/2” Connection - KAMMER | (<54) | micro Bq | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | Full Metal Sealed | |
Foil | Aluminum Laminated Foil | (1.8 +/- .2), (2.3 +/- .1), (1.9 +/- .2) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Gasket Material | Polyurethane | (< .3) | mBq per meter squared | 2005 | Max Planck Institute for Nuclear Physics/ Borexino | Zuzel, G., 2005. Highly sensitive measurements of 222Rn emanation and diffusion, Topical Workshop in Low Radioactivity Techniques: LRT 2004. In: AIP Conference Proceedings, Vol. 785, pp. 142-149. | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APCPCS000785000001000142000001&idtype=cvips&gifs=yes | ||
Gasket Material | Silicon Rubber | (196 +/- 4) | mBq per meter squared | 2005 | Max Planck Institute for Nuclear Physics/ Borexino | Zuzel, G., 2005. Highly sensitive measurements of 222Rn emanation and diffusion, Topical Workshop in Low Radioactivity Techniques: LRT 2004. In: AIP Conference Proceedings, Vol. 785, pp. 142-149. | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APCPCS000785000001000142000001&idtype=cvips&gifs=yes | ||
Gel | Silica Gel | (440 +/- 50) | Rn per liter per hour | 1993 | Queens University | Manqing Liu, H.W. Lee, A.B. McDonald, 222Rn emanation into vacuum, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 329, Issues 1-2, 15 May 1993, Pages 291-298 | http://www.sciencedirect.com/science/article/pii/016890029390948H | ||
Glass | Glass Wool | (21 +/- .2) | mBq per meter squared | 2009 | Max-Planck-Institut für Kernphysik | G. Zuzel, H. Simgen, High sensitivity radon emanation measurements, Applied Radiation and Isotopes, Volume 67, Issue 5, 5th International Conference on Radionuclide Metrology - Low-Level Radioactivity Measurement Techniques ICRM-LLRMT'08, May 2009, Pages 889-893 | http://www.sciencedirect.com/science/article/pii/S0969804309000608 | ||
Glass | PERMATEX glass vial | (24.9 +/- 4.2) | mBq per square meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Glass | Araldite 2012 | (4.8 +/- 3.2) | mBq per square meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Glass | Nitril | (187 +/- 9) | mBq per square meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Glass | Busto | (1750 +/- 40) | mBq per square meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Glass | Kromasil | (3.6 +/- .3) | mBq per square meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Glass | Low Radium Glass | (<1.6) | per square meter per hour | 1993 | Queens University | Manqing Liu, H.W. Lee, A.B. McDonald, 222Rn emanation into vacuum, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 329, Issues 1-2, 15 May 1993, Pages 291-298 | http://www.sciencedirect.com/science/article/pii/016890029390948H | ||
Insert | Norel RO Plastic Insert | (8.2 +/- .4), (6.2 +/- .3), (8.7 +/- .3) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Oxygen Absorber (Trigon) | (498 +/- 24), (496 +/- 42) | mBq/kg | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | |||
Oxygen Absorber (Oxisorb) | (~19) | mBq/kg | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | |||
Metal | Copper Foil | (1.7 +/- .2) | micro Bq per meter squared | 2009 | Max-Planck-Institut für Kernphysik | G. Zuzel, H. Simgen, High sensitivity radon emanation measurements, Applied Radiation and Isotopes, Volume 67, Issue 5, 5th International Conference on Radionuclide Metrology - Low-Level Radioactivity Measurement Techniques ICRM-LLRMT'08, May 2009, Pages 889-893 | http://www.sciencedirect.com/science/article/pii/S0969804309000608 | ||
Metal | Copper Foil | (1.2 +/- .2) | micro Bq per meter squared | 2009 | Max-Planck-Institut für Kernphysik | G. Zuzel, H. Simgen, High sensitivity radon emanation measurements, Applied Radiation and Isotopes, Volume 67, Issue 5, 5th International Conference on Radionuclide Metrology - Low-Level Radioactivity Measurement Techniques ICRM-LLRMT'08, May 2009, Pages 889-893 | http://www.sciencedirect.com/science/article/pii/S0969804309000608 | rinsed with distilled water | |
Metal | Stainless Steel Plate (With Welds) | (.36 +/- 0.04) | mBq/m | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | standard shop cleaning procedure (alkaline bath) | |
Metal | Stainless Steel Plate (With Welds) | (<.1) | mBq/m | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | After 2-hour etching (20 %*) HNO3 + 1.7% HF + water) and 30-min passivation (15 % HNO3 + water). | |
Metal | Stainless Steel | (10.2 +/- .8) | micro Bq per meter squared | m2005 | Max Planck Institute for Nuclear Physics/ Borexino | Zuzel, G., 2005. Highly sensitive measurements of 222Rn emanation and diffusion, Topical Workshop in Low Radioactivity Techniques: LRT 2004. In: AIP Conference Proceedings, Vol. 785, pp. 142-149. | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APCPCS000785000001000142000001&idtype=cvips&gifs=yes | No cleaning | |
Metal | Stainless Steel | (4.6 +/- .9) | micro Bq per meter squared | 2005 | Max Planck Institute for Nuclear Physics/ Borexino | Zuzel, G., 2005. Highly sensitive measurements of 222Rn emanation and diffusion, Topical Workshop in Low Radioactivity Techniques: LRT 2004. In: AIP Conference Proceedings, Vol. 785, pp. 142-149. | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APCPCS000785000001000142000001&idtype=cvips&gifs=yes | Used in the LTA I(II) of the Borexino nitrogen plant | Rinsed With Water |
Metal | Electro Polished Stainless Steel | micro Bq per meter squared | 2005 | Max Planck Institute for Nuclear Physics/ Borexino | Zuzel, G., 2005. Highly sensitive measurements of 222Rn emanation and diffusion, Topical Workshop in Low Radioactivity Techniques: LRT 2004. In: AIP Conference Proceedings, Vol. 785, pp. 142-149. | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APCPCS000785000001000142000001&idtype=cvips&gifs=yes | Used in the LTA I(II) of the Borexino nitrogen plant | ||
Metal | Stainless Steel Tape | (10) | micro Bq/m | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | Surface not treated | |
Metal | Stainless Steel Tape | (4.6) | micro Bq/m | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | Surface washed with distilled water | |
Metal | Welded Aluminum 3” angles | (7.8 +/- .8) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Metal | Aluminum Reflector | (<1.5) | per square meter per hour | 1993 | Queens University | Manqing Liu, H.W. Lee, A.B. McDonald, 222Rn emanation into vacuum, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 329, Issues 1-2, 15 May 1993, Pages 291-298 | http://www.sciencedirect.com/science/article/pii/016890029390948H | ||
Metal | Aluminum Plate | (<.5) | per square meter per hour | 1993 | Queens University | Manqing Liu, H.W. Lee, A.B. McDonald, 222Rn emanation into vacuum, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 329, Issues 1-2, 15 May 1993, Pages 291-298 | http://www.sciencedirect.com/science/article/pii/016890029390948H | ||
Metal | Welded Covered Aluminum | (3.7 +/- .7), (1.7 +/- .4), (2.0 +/- .4), (2.2 +/- .4) | Rn per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Gasket | Teflon Stamp Gasket - WEKA | (78 +/- 14) | micro Bq | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | ||
Valve | WTA valve (open) | (2.0 +/- 0.2) | mBq | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | ||
Valve | WTA valve (closed) | (.64 +/- 0.15) | mBq | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | ||
Cable | Habia Coaxial Cable | (.34 +/- 0.09) | mBq/kg | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | ||
O-ring | Perbunan O-ring (black) | (.017 +/- 0.003) | mBq/ring | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | ||
O-ring | Viton O-ring (green) | (.680 +/- 0.021) | mBq/ring | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | ||
O-ring | Viton O-ring (bright green) | (.537 +/- 0.028) | mBq/ring | 2009 | GERDA | G. Zuzel, H. Simgen, Radon Emanation measurements, Presentation at GERDA General Meeting, July 11, 2007 | http://www.mpi-hd.mpg.de/gerda/lngs07/lngs07_slides/zuzel_gerda_nov07.pdf | ||
O-ring | Butyl O-ring | (19.6 +/- .5) | mBq per square meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Pipe | Grey Polypropylene Piping | (23.2 +/- 1.3), (18.3 +/- 1.0), (3.9 +/- .6), (16.1 +/- 1.1), (15.0 +/- .9) | Rn per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Pipe | White Polypropylene Piping (2” ID) | (1.1 +/- .6), (1.4 +/- .5), (.7 +/- .4), (1.1 +/- .4) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Pipe | White Polypropylene Piping (7/8” ID) | (4.6 +/- .6), (2.4 +/- .4), (1.4 +/- .4), (1.6 +/- .3) | Rn per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Pipe | PVDF Piping | <1.1 | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Plastic | Black ABS Plastic | (<1.1) | per meter square per hour | ||||||
PMT | Borexino PMT | (< 40) | micro Bq | micro Bq per meter squared | 2005 | Max Planck Institute for Nuclear Physics/ Borexino | Zuzel, G., 2005. Highly sensitive measurements of 222Rn emanation and diffusion, Topical Workshop in Low Radioactivity Techniques: LRT 2004. In: AIP Conference Proceedings, Vol. 785, pp. 142-149. | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APCPCS000785000001000142000001&idtype=cvips&gifs=yes | Used in the LTA I(II) of the Borexino nitrogen plant |
PMT | 8 inch diameter PMT | (< 20) | |||||||
Polyethylene | White Polyethylene | (<.9) | per meter square per hour | 1993 | Queens University | Manqing Liu, H.W. Lee, A.B. McDonald, 222Rn emanation into vacuum, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 329, Issues 1-2, 15 May 1993, Pages 291-298 | http://www.sciencedirect.com/science/article/pii/016890029390948H | ||
Pump | Huge American Pump | (291 +/- 12), (147 +/- 10), (212 +/- 9) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Pump | Small American Pump | (292 +/- 23) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Resin | Fabco SV-258 Resin | (3.1 +/- .2), (.7 +/- .2), (.4 +/- .2) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Rope | Yellow Kevlar Rope | (<.001) | Rn per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Sheet | DWST PP Sheets | (4.2 +/- .6), (2.1 +/- .6), (3 +/- .6), (1.9 +/- .6), (.7 +/- .5) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Teflon | Teflon Foil | (< 9) | micro Bq per meter squared | 2005 | Max Planck Institute for Nuclear Physics/ Borexino | Zuzel, G., 2005. Highly sensitive measurements of 222Rn emanation and diffusion, Topical Workshop in Low Radioactivity Techniques: LRT 2004. In: AIP Conference Proceedings, Vol. 785, pp. 142-149. | http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APCPCS000785000001000142000001&idtype=cvips&gifs=yes | Used in the LTA I(II) of the Borexino nitrogen plant | |
Tube | Flexible Pharmed Tubing | (6000) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Tube | Short Tonkaflow Cylinder | (60 +/- 4), (56 +/- 2), (43 +/- 2) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Tube | Long Tonkaflow Cylinder | (227 +/- 7), (106 +/- 3), (127 +/- 4) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Tube | Clear PVC | (61.8 +/- 1.9), (29.1 +/- .9), (33.0 +/- .9 | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Tube | Silicon Tubing | (1.4 +/- .8),(1.4 +/- .6), (1.6 +/- .7), (1.5 +/- .5) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Tube | Polyurethane Tube | (1.4 +/- .4), (1.6 +/- .4), (< .3), (< .2) (< .2) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
TYVEK | TYVEK | (< .0039) | mBq per square meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Valve | 3 Chemkor SuperBlock II Valves | (32 +/- 4),(11 +/- 2), (< 4), (< 3.5), (13 +/- 3) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Valve | Plast-O-Matic Valve Peices | (3 +/- 1), (<1.125), (3 +/- 1), (< 0.936) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Valve | Vacuum Research Gate Valve | Opened:(48 +/- 4), Closed: (13 +/- 3), (18 +/- 3), (15 +/- 2) | per meter squared per hour | 2009 | SNO | Uras, Gerard, Tan, Lee, McDonald, Radon(Rn222) Emanation Results, September 1994 | http://www.sno.phy.queensu.ca/sno/str/SNO-STR-94-024.pdf | ||
Valve | Safety Valve | (.08 +/- .03) | mBq per valve | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X | ||
Water | CTF Water | (20 +/- 2) | mBq per cubic meter | 2000 | Max-Planck-Institut für Kernphysik | W Rau, G Heusser, 222Rn emanation measurements at extremely low activities, Applied Radiation and Isotopes, Volume 53, Issues 1-2, 15 July 2000, Pages 371-375 | http://www.sciencedirect.com/science/article/pii/S096980430000155X |
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