Section 4 Papers 4. Radionuclide Monitoring ToC 4-01 Anderson, D., P. Stauffer, G. Zyvoloski, J. MacCarthy, and A. Jordan Mathematical Representation of Isotopic Gas Migration from an Underground Nuclear Weapon Test Through Rock 4-02 Biegalski, S., A. Flory, B. Schrom, J. Ely, D. Haas, T. Bowyer, and J. Hayes Implementing the Standard Spectrum Method for Analysis of Beta-Gamma Coincidence Spectra 4-03 Biegalski, S., M. Deinert, J. Lowrey, and C. Rios Perez Radioxenon Signatures from Underground Transport and Radiopharmaceutical Facilities 4-04 Breedlove, J., M. Zagarola, and D. Deserranno Gas Bearing Centrifugal Compressor System for Radioxenon Monitoring 4-05 Carty, F., L. Comes, J. Forrester, H. Miley, G. Shipman, and P. Van Davelaar Operational Impacts of the Fukushima Nuclear Event on Radionuclide Monitoring of United States IMS Stations 4-06 Chen, W. A Wide Temperature Range, Reliable, Compact Cryogenic Thermal Switch 4-07 Cooper, M., C. Aalseth, D. Haas, and J. Hayes Initial Beta-Gamma Nuclear Detector Background Study 4-08 Cooper, M., D. Haas, J. Hayes, L. Lidey, and B. Schrom First Four-Isotope Calibration of a Beta-Gamma Quad Detector 4-09 Ely, J., M. Cooper, D. Haas, J. Hayes, T. Heimbigner, and B. Schrom Interference Terms for Xenon-135 4-10 Farsoni, A., B. Alemayehu, and A. Alhawsawi Preliminary Measurements with a Compton-Suppressed Phoswich Detector 4-11 Forrester, J., T. Bowyer, F. Carty, L. Comes, P. Eslinger, L. Greenwood, D. Haas, J. Hayes, R. Kirkham, E. Lepel, K. Litke, H. Miley, S. Morris, B. Schrom, P. Van Davelaar, and V. Woods Lessons Learned in Aerosol Monitoring with the RASA 4-12 Harper, W., J. Hayes, P. Humble, L. Lidey, and R. Williams Limitations Using Small Volume Cryotraps 4-13 Hennig, W., C. Cox, S. Asztalos, H. Tan, P. Franz, P. Grudberg, and W. Warburton Study of Silicon Detectors for High-Resolution Radioxenon Measurements 4-14 Keillor, M., C. Aalseth, A. Day, L. Erikson, B. Glasgow, E. Hoppe, T. Hossbach, L. Mizouni, A. Myers, C. Overman, A. Seifert, and T. Stavenger A New Gamma-Gamma Coincidence Analysis System 4-15 Stoehlker, U., M. Nikkinen, and A. Gheddou Detection of Radionuclides Emitted During the Fukushima Nuclear Accident with the CTBT Radionuclide Network 4-16 Suarez, R., C. Hubbard, J. Hayes, T. Heimbigner, J. Mendez, and B. Schrom Linux-Based Software Control for Xenon Systems 4-17 Warburton, W., S. Asztalos, and W. Hennig Alpha-Al2O3 Diffusion Barriers to Eliminate RadioXenon Memory Effect in Phoswich Detectors