Bedrock Geosciences is a multidisciplinary consultancy which specialises in the field of radioactive waste management and geological sciences

 

Publication List

 

1. Books
Co-editor:

  1. W.R.Alexander and L.McKinley (eds) (2006). Deep geological disposal of radioactive wastes. Elsevier, Amsterdam, The Netherlands (in press)

Co-author:

  1. W.M.Miller, W.R.Alexander, N.A.Chapman, I.G.McKinley and J.A.T.Smellie (1994) Natural analogue studies in the geological disposal of radioactive wastes. Studies in environmental science 57, Elsevier, Amsterdam, The Netherlands.
  2. W.M.Miller, W.R.Alexander, N.A.Chapman, I.G.McKinley, and J.A.T.Smellie (2000) Geological disposal of radioactive wastes and natural analogues. Waste management series, vol. 2, Pergamon, Amsterdam, The Netherlands.

Contributor:

  1. W.R.Alexander and I.G.McKinley (1999) The chemical basis of near-field containment in the Swiss high-level radioactive waste disposal concept. Pp 47-69 in Chemical containment of wastes in the geosphere (eds R.Metcalfe and C.A.Rochelle), Geol.Soc.Spec.Publ. No. 157.
  2. W.R.Alexander, P.A.Smith and I.G.McKinley (2003). Modelling  radionuclide transport in the geological environment: a case study from the field of radioactive waste disposal. Ch.5 pp 109-145 in Modelling Radioactivity in the Environment (ed E.M.Scott), Elsevier, Amsterdam, The Netherlands.
  3. C. Biggin, A.Möri, W.R.Alexander, K.Ota, B.Frieg, W.Kickmaier and I.G.McKinley (2003) In situ radionuclide retardation in groundwater conducting systems: overview of the research carried out at Nagra's Grimsel Test site, central Switzerland. pp 207-228 in Environmental Radiochemical Analysis II (ed P.Warwick) RSC, London, UK.
  4. I.G.McKinley and W.R.Alexander (2006) Coastal repositories in Volcanism, Tectonism and the Siting of Nuclear Facilities (eds C.Conner, L.Conner and N.A.Chapman), Cambridge University Press, Cambridge, UK. (in prep)

2. Journal special editions

  1. W.R.Alexander, R.Gieré, H.Hidaka and H.Yoshida (2006) Natural immobilisation processes aid the understanding of long-term evolution of deep geological radioactive waste repositories. Geochemistry: Exploration, Environment, Analysis 6, 3-4 Special issue on the Tono Analogue Project (TAP)

3. Peer reviewed papers and technical reports

  1. W.R.Alexander (1985) Inorganic diagenesis in anoxic sediments of the Tamar estuary. Unpubl. PhD Thesis, University of Leeds, 268pp.
  2. W.R.Alexander, R.D.Scott, A.B.MacKenzie and I.G.McKinley (1988) A natural analogue study of radionuclide migration in a water conducting fracture in crystalline rock. Radiochim. Acta 44/45, pp283-298.
  3. I.G.McKinley, W.R.Alexander, C.Bajo, U.Frick, J.Hadermann, F.A.Herzog and E.Hoehn (1988) The radionuclide migration experiment at the Grimsel rock laboratory, Switzerland. Sci. Basis Nucl. Waste Manag. XI, ppl79-187.
  4. R.C.Upstill-Goddard, W.R.Alexander, H.Elderfield and M.Whitfield (1989) Chemical diagenesis in the Tamar estuary. Contrib. Sedimentol. 16, ppl-49.
  5. W.R.Alexander, R.D.Scott, A.B.MacKenzie and I.G.McKinley (1990) Natural analogue studies in crystalline rock: the influence of water bearing fractures on radionuclide immobilisation in a crystalline rock repository. Nagra Technical Report Series NTB 87-08, Nagra, Wettingen.
  6. W.R.Alexander and T.Shimmield (1990) Microwave oven dissolution of geological materials: implications for natural decay series analyses. J. Radioanal. Nucl. Chem. Lett. 145, pp301-310.
  7. W.R.Alexander, I.G.McKinley, A.B.MacKenzie and R.D.Scott (1990) Verification of matrix diffusion in granite by means of natural decay series disequilibria. Sci. Basis Nucl. Waste Manag. XIII, pp567-576.
  8. M.H.Bradbury, B.Baeyens and W.R.Alexander (1990) Experimental proposals for procedures to investigate the water chemistry, sorption and transport properties of marl. Nagra Technical Report Series NTB 90-16, Nagra, Wettingen.
  9. P.Baertschi, W.R.Alexander and H.Dollinger (1991) Uranium migration in crystalline rock: capillary solution transport in the granite of the Grimsel test site, Switzerland. Nagra Technical Report Series NTB 90-15, Nagra, Wettingen.
  10. I.G.McKinley and W.R.Alexander (1992a) Constraints on the applicability of in situ distribution coefficient values. J. Environ. Rad. 15, ppl9-34.
  11. I.G.McKinley and W.R.Alexander (1992b) A review of the use of natural analogues to test performance assessment models of a cementitious near field. Waste Manag. 12, pp253-259.
  12. W.R.Alexander and I.G.McKinley (1992) A review of the application of natural analogues in performance assessment: improving models of radionuclide transport in groundwaters. J. Geochem. Explor. 46, pp83-115.
  13. W.R.Alexander, M.H.Bradbury, I.G.McKinley, W.Heer, J.Eikenberg and U.Frick (1992) The current status of the radionuclide migration experiment at the Grimsel underground rock laboratory. Sci. Basis Nucl. Waste Manag. XV, pp721-728.
  14. Frick, U., Alexander, W.R., Baeyens, B., Bossart, P., Bradbury, M.H., Bühler, Ch., Eikenberg, J., Fierz, Th., Heer, W., Hoehn, E., McKinley, I.G., Smith, A., 1992. Grimsel Test Site – The Radionuclide Migration Experiment: Overview of investigations 1985-1990. Nagra Technical Report NTB 91-04, National Cooperative for the Disposal of Radioactive Waste, Wettingen, Switzerland.
  15. H.N.Khoury, E.Salameh, I.D.Clark, P.Fritz, W.Bajjali, A.E.Milodowski, M.R.Cave and W.R.Alexander (1992) A natural analogue of high pH coment pore waters from the Maqarin area of northern Jordan I: introduction to the site. J. Geochem. Explor. 46, pp ll7-132.
  16. W.R.Alexander, R.Dayal, K.Eagleson, J.Eikenberg, E.Hamilton, C.M.Linklater, I.G.McKinley and C.J.Tweed (1992) A natural analogue of high pH pore waters from the Maqarin area of northern Jordan II: results of predictive geochemical calculations. J. Geochem. Explor. 46, pp l33-146.
  17. J.Meyer, M.Mazurek and W.R.Alexander (1989) Ch 2 in The laboratory support,for the Grimsel test site migration experiment, (ed. M.H.Bradbury). Nagra Technical Report Series NTB 88-23, Nagra, Wettingen.
  18. R.D.Scott, A.B.MacKenzie and W.R.Alexander (1992) The interpretation of 238U-234U-230Th-226Ra disequilibria produced by rock-water interaction. J. Geochem. Explor. 46, pp323-343.
  19. I.G.McKinley and W.R.Alexander (1993a) Assessment of radionuclide retardation: uses and abuses of natural analogues. J. Contam. Hydrol. 13, pp249-259.
  20. I.G.McKinley and W.R.Alexander (1993b) Comments on responses to our paper "Assessment of radionuclide retardation: uses and abuses of natural analogues". J. Contam. Hydrol. 13, pp271-275.
  21. W.R.Alexander (ed) (1994) A natural analogue study of cement buffered, hyperalkaline groundwaters and their interaction with a repository host rock I: definition of source terms. Nagra Technical Report Series NTB 91-10, Nagra, Wettingen.
  22. W.R.Alexander and I.G.McKinley (1994) Constraints on the use of "in situ distribution coefficients (Kd)" values in contaminant transport modelling. Eclogae geol. Helv. 87/2, pp 321-324 (extended abstract).
  23. W.R.Alexander and W.M.Miller (1994) Natural analogues of bituminous waste - are there any? Fourth Inter. Conf. Chem. Migration Behaviour Actinides and Fission Products, Charleston, USA, 12-17/12/93, pp559-563.
  24. W.M.Miller, W.R.Alexander, N.A.Chapman, I.G.McKinley and J.A.T.Smellie (1994) Natural analogues revisited. Fourth Inter. Conf. Chem. Migration Behaviour Actinides and Fission Products, Charleston, USA, 12-17/12/93, pp559-563.
  25. H.Umeki, K.Hatanaka, W.R.Alexander, I.G.McKinley and U.Frick (1995) The Nagra/PNC Grimsel Test Site radionuclide migration experiment: rigorous field testing of transport models. Sci. Basis Nucl. Waste Manag. XVIII, pp427-434.
  26. W.R.Alexander, A.E.Milodowski, H.N.Khoury and E.Salameh (1995) Why go to Jordan to worry about Wellenberg? A study of the interaction between cement derived hyperalkaline water and sedimentary rocks. Schweiz. Miner. Petr. Mitt. 75, pp 467-468 (extended abstract).
  27. I.G.McKinley and W.R.Alexander (1996) On the incorrect derivation and use of  in situ retardation factors from natural isotope profiles. Radiochim Acta 74, pp 263-267.
  28. M.Mazurek, W.R.Alexander and A.B.MacKenzie (1996) Contaminant retardation in fractured shales: matrix diffusion and redox front entrapment. J.Contam. Hydrol. 21, pp 71-84.
  29. C.M.Linklater, Y.Albinsson, W.R.Alexander, I.Casas, I.G.McKinley and P.Sellin (1996) A natural analogue of high pH cement pore waters from the Maqarin area of northern Jordan: comparison of predicted and observed trace element chemistry of uranium and selenium. J.Contam. Hydrol. 21, pp 59-69.
  30. C.Degueldre, H.-R.Pfeiffer, W.R.Alexander, B.Wernli and R.Bruetsch (1996) Colloid properties in granitic groundwater systems. I: sampling and characterisation. Appl. Geochem. 11, pp677-695.
  31. J.A.T.Smellie, F.Karlsson and W.R.Alexander (1997) Natural analogue studies: present status and performance assessment implications. J.Contam. Hydrol. 26, pp3-17.
  32. I.G.McKinley, I.Hagenlocher, W.R.Alexander and B.Schwyn (1997) Microbiology in nuclear waste disposal: interfaces and reaction fronts. FEMS Microbiol.Rev. 20, pp545-556.
  33. W.R.Alexander, A.Gautschi and P.Zuidema (1998) Thorough testing of performance assessment models: the necessary integration of in situ experiments, natural analogues and laboratory work. Extended abstract in Sci. Basis Nucl. Waste Manag. XXI, 1013-1014.
  34. I.G.McKinley, W.R.Alexander, A.Gautschi and H.N.Waber (1998) An approach to validation of solubility databases for performance assessment. Radiochim Acta 82, 407-412
  35. J.Eikenberg, M.Rüthi, W.R.Alexander, B.Frieg and T.Fierz (1998) The excavation project in the Grimsel Test Site: in situ high resolution gamma and alpha spectrometry of 60Co, 75Se, 113Sn, 152Eu, 235U AND 237Np/233Pa. Sci. Basis Nucl. Waste Manag. XXI, 655-662.
  36. W.R.Alexander, C.Bühler, H.Dollinger, B.Frieg, P.Haag, A.Möri and K.Ota (1998) The study of radionuclide retardation in fractured rocks by means of in situ resin impregnation. Extended abstract in Sci. Basis Nucl. Waste Manag. XXI, 1015-1016.
  37. W.R.Alexander, K.Ota, B.Frieg and I.G.McKinley (1998) The assessment of radionuclide retardation in fractured crystalline rocks. Extended abstract in Sci. Basis Nucl. Waste Manag. XXI, 1065-1066.
  38. B.Frieg, W.R.Alexander, H.Dollinger, C.Bühler, P.Haag, A.Möri, and K.Ota (1998) In situ impregnation for investigating radionuclide retardation in fractured repository host rocks. J.Contam.Hydrol. 35, 115-130.
  39. W.R.Alexander,  I.G.McKinley, C.M.Linklater, C.JTweed, S.Casas, S.Börjesson and P.Sellin (1998b) Testing the limits of the applicability of thermodynamic databases. Ch. 12 in Linklater, C.M. (ed.), (1998) A natural analogue study of cement buffered, hyperalkaline groundwaters and their interaction with a repository host rock II Nirex Science Report, S-98-003, UKNirex, Harwell, Oxon., GB.
  40. H.N.Khoury, E.Salameh, M.Mazurek and W.R.Alexander (1998) Geology and hydrogeology of the Maqarin area. Ch. 2 in Smellie, J.A.T. (Ed.), (1998). Maqarin Natural Analogue Study: Phase III. SKB Technical Report TR-98-04,  SKB Swedish Nuclear Fuel and Waste Management Co, Stockholm, Sweden.
  41. P.D.Wetton, J.M.Pearce, W.R.Alexander, A.E.Milodowski, S.Reeder, J.Wragg and E.Salameh  (1998) The production of colloids at the cement/host rock interface. Ch. 10 in Smellie, J.A.T. (Ed.), (1998). Maqarin Natural Analogue Study: Phase III. SKB Technical Report TR-98-04, SKB Swedish Nuclear Fuel and Waste Management Co, Stockholm, Sweden.
  42. W.R.Alexander, C.Bühler, H.Dollinger, B.Frieg, P.Haag, A.Möri and K.Ota (1998) The study of radionuclide retardation in fractured rocks by means of in situ resin impregnation. Extended abstract in Sci. Basis Nucl. Waste Manag. XXI, 1015-1016.
  43. W.R.Alexander, K.Ota, B.Frieg and I.G.McKinley (1998) The assessment of radionuclide retardation in fractured crystalline rocks. Extended abstract in Sci. Basis Nucl. Waste Manag. XXI, 1065-1066.
  44. B.Frieg, W.R.Alexander, H.Dollinger, C.Bühler, P.Haag, A.Möri, and K.Ota (1998) In situ impregnation for investigating radionuclide retardation in fractured repository host rocks. J.Contam.Hydrol. 35, 115-130.
  45. I.G.McKinley, W.R.Alexander, H.Kawamura and H.Tsuchi (2001) Convergent evolution of high-level nuclear waste (HLW) in Switzerland and Japan: 31st Int. Geol. Congress 2000, Rio de Janerio, Brazil, Abstracts Volume.
  46. W.Kickmaier, W.R.Alexander,  S.Vomvoris and I.G.McKinley (2001) Grimsel 2000 - status of international projects at the Grimsel Test Site (GTS). Sci. Basis Nucl. Waste Manag. XXIV, 893-900
  47. K.Ota, W.R.Alexander, P.A.Smith, A.Möri, B.Frieg, U.Frick, H.Umeki, K.Amano, M.M.Cowper and J.A.Berry  (2001) Building confidence in radionuclide transport models for fractured rock: the Nagra/JNC radionuclide retardation programme. Sci. Basis Nucl. Waste Manag. XXIV, 1033-1041
  48. P. A. Smith, W. R. Alexander, W. Kickmaier, K. Ota, B.Frieg and I. G. McKinley (2001a)  Development and Testing of Radionuclide Transport Models for Fractured Rock: Examples from the Nagra/JNC Radionuclide Migration Programme in the Grimsel Test Site, Switzerland. J. Contam. Hydrol. 47, 335-348 Also published in Japanese in JNC Technical Review 11, JNC TN1340 2001-006, JNC, Tokai, Japan
  49. P.A.Smith, W.R.Alexander, W.Heer, T.Fierz, P.M.Meier, B.Baeyens, M.H.Bradbury, M.Mazurek and I.G.McKinley (2001b) The Nagra-JNC in situ study of safety relevant radionuclide retardation in fractured crystalline rock I: The radionuclide migration experiment-overview of investigations 1990-1996. Nagra Technical Report Series NTB 00-09, Nagra, Wettingen, Switzerland.
  50. J.A.T.Smellie,  W.R.Alexander, P.Degnan, L.Y.Griffault, U.K.Mäder and L.Trotignon (2001) The role of the Jordan natural analogue studies in the performance assessment of cementitious repositories for radioactive wastes. 10th Int. Water Rock Interaction Symposium, Villasimius, Italy. (June 10-15, 2001), 1391-1393.
  51. K.Ota and W.R.Alexander (2001) Development and testing of radionuclide transport models for fractured crystalline rock - an overview of the Nagra-JNC radionuclide retardation programme. in JNC Technical Review No. 11, JNC TN1340 2001-006, JNC, Tokai, Japan
  52. I.G.McKinley and W.R.Alexander (2002) Integration of TRU disposal studies in Switzerland. Waste Management 2002, Tucson, Arizona, USA.
  53. I.G.McKinley, W.R.Alexander,  W.Kickmaier and C. Biggin (2002) Integrated programme of research into the behaviour of the clay engineered barrier: An example from Nagra's Grimsel Test Site [Abstract].- Clays in natural and engineered barriers for radioactive waste confinement: International meeting, Reims, December 9-12, 2002: Abstracts. Andra, Châtenay-Malabry, 287-288.
  54. W.R.Alexander, K.Ota and B.Frieg  (2003) Eds. The Nagra-JNC in situ study of safety relevant radionuclide retardation in fractured crystalline rock II: the RRP project methodology development, field and laboratory tests. Nagra Technical Report Series NTB 00-06, Nagra, Wettingen, Switzerland
  55. A.Möri, W.R.Alexander, H.Geckeis, W.Hauser, T.Schaefer, J.Eikenberg, T.Fierz, C.Degueldre and T.Missana (2003a) The Colloid and Radionuclide Retardation experiment (CRR) at the Grimsel Test Site (GTS): influence of bentonite colloids on radionuclide migration in a fractured rock. Colloids and Surfaces A , 217, 33-47
  56. A.Möri, M.Schild, S.Siegesmund, A.Vollbrecht, M.Adler, M.Mazurek, K.Ota, P.Haag, T.Ando and W.R.Alexander (2003b). The Nagra-JNC in situ study of safety relevant radionuclide retardation in fractured crystalline rock IV: The in situ study of matrix porosity in the vicinty of a water-conducting fracture. Nagra Technical Report NTB 00-08, Nagra, Wettingen, Switzerland.
  57. K.Ota , A.Möri , W. R.Alexander, B.Frieg and M.Schild (2003) Influence of the mode of matrix porosity determination on matrix diffusion calculations. J. Contam. Hydrol. 61, 131-145
  58. P.A.Smith, W.R.Alexander and F.B.Neall (2003) The findings of safety assessment in perspective. Ch 5 in F.B.Neall and P.A.Smith (eds) H12: examination of safety assessment aims, procedures and results from a wider perspective. Nagra Project Report NPB 01-32, Nagra, Wettingen, Switzerland. Also published as JNC Technical Report JNC TY1400 2004-001, JNC, Tokai, Japan.
  59. C.Biggin, W.R.Alexander, W.Kickmaier and I.G.McKinley (2003) Integrated programme of research into the behaviour of the clay engineered barrier: an example from Nagra's Grimsel Test Site. pp18-27 in Clays and natural and engineered barriers for radioactive waste confinement: experiments in underground laboratories. Reims, 9-12 December, 2002. Andra Science and Technology Report Series, Andra, Paris, France.
  60. W.Kickmaier, W.R.Alexander,  B.Frieg and I.G.McKinley (2003) Building confidence in the performance of the geological barrier. EGS-AGU-EGU joint assembly 2003, Book of Abstracts.
  61. H.Geckeis, T.Schaefer, W.Hauser, Th. Rabung, T.Missana, C.Degueldre, A.Möri, J.Eikenberg, T.Fierz, and W.R.Alexander (2004) Results of the Colloid and Radionuclide Retrdation (CRR) experiment at the Grimsel Test Site (GTS), Switzerland – impact of reaction kinetics and speciation on radionuclide migration. Radiochim Acta 92, 9-21
  62. I.G.McKinley, W.R.Alexander, W.Kickmaier and F.B.Neall (2004) The bentonite/cement interaction problem: Cutting the Gordian Knot. Posiva WR 2004-25 / NUMO TR-04-05, 86-90, Posiva, Rauma, Finland.
  63. G.Kamei, W.R.Alexander and J.A.T.Smellie (2005) Overview of the Maqarin Natural Analogue Project: results from Phase I-III. JNC Technical Report JNC TN8400 2005-005 (in Japanese with English abstract), JNC, Tokai, Japan.
  64. W.R.Alexander, G.Kamei, J.A.T.Smellie (2005) A natural analogue of  a cementitious repository: a brief overview of a study of  unique sites in Jordan. Proc. IAEA Conf. Waste Manag., 2-6 October, 2005, Tokyo, Japan. IAEA Technical Report,304, IAEA, Vienna, Austria.
  65. W.R. Alexander,W. Kickmaier, B. Frieg, I.G. McKinley (2005) Studies of hyperalkaline efects on clays in the near-field and far-field – present status and future requirements. Extended abstract in Clays in Natural & Engineered Barriers for Radioactive Waste Confinement, International Meeting, March 14-18, 2005, Tours, France. Andra Technical Report, Andra, Paris, France.
  66. W.R.Alexander, W. Kickmaier, S. Vomvoris, K.Kaku and I.G.McKinley (2005) Nagra’s Grimsel URL: from underground testing to the demonstration of disposal systems. Proceedings of the 10th International Conference on Environmental Remediation and Radioactive Waste Management (ICEM ’05),  4-8th September, 2005, Glasgow, Scotland. ASME, USA.
  67. A.Hooper, J.Mathieson, W.R.Alexander and M.Shiotsuki (2005) Review of international progress in transuranic and long-lived intermediate level waste disposal. Proceedings of the 10th International Conference on Environmental Remediation and Radioactive Waste Management (ICEM ’05), 4-8th September, 2005, Glasgow, Scotland. ASME, USA.
  68. M.Mazurek, A.Gautschi, P.Marschall, W.R.Alexander, G.Vigneron, P.Lebon and J.Delay (2006) Transferability of features and processes from underground rock laboratories and natural analogues - Use for supporting the Swiss and French Safety Cases in argillacaeous formations. Proc. AMIGO II workshop, NEA, Paris, 2005. NEA/OECD, Paris, France
  69. J. Mathieson, A. Hooper, W. R. Alexander, M. Shiotsuki and G. Kamei (2006) International Progress in developing cases for long-term safety of repositories for Transuranic and Long-Lived Intermediate Level Wastes: Summary of the Third International Workshop. Proceedings of WM’06 Conference, February 26- March 2, 2006, Tucson, AZ
  70. A.Möri, W.R.Alexander, K.Ota and B.Frieg (Eds) (2006). The Nagra-JNC in situ study of safety relevant radionuclide retardation in fractured crystalline rock III: the RRP project final report. Nagra Technical Report NTB 00-07 (in prep), Nagra, Wettingen, Switzerland.
  71. W.R. Alexander, A. Möri and P.A.Smith (Eds) (2006) The CRR final project report series: 4 – project overview and synthesis of results. Nagra Technical Report NTB 03-04. Nagra, Wettingen, Switzerland (in prep).

 

4. Magazine/Newspaper Articles

  1. W.R.Alexander (1995) Natural cements: How can they help us safely dispose of radioactive waste?. Radwaste Magazine 2, vol 5, Sept. 1995, pp61-69.
  2. H.N.Waber and W.R.Alexander (1995) Von Naturlichen Zement bis zum Endlager Beton. Schweiz. Techn. Zeitschrift 12/95, STV-Verlags AG, Zürich, Switzerland.
  3. W.R.Alexander, B.Frieg, K.Ota and P.Bossart (1996) The RRP Project: Investigating Radionuclide Retardation in the Host Rock. Nagra Bulletin No. 27 (June, 1996), pp43-55.
  4. W.R.Alexander, B.Frieg, K.Ota and P.Bossart (1996) Das Projekt RRP: Untersuchung der Retardation von Radionukliden im Wirtgestein. Nagra Informiert Nr. 27 (Juni, 1996), pp43-55.
  5. J.Eikenberg, M.Ruethi, W.R.Alexander, B.Frieg and T.Fierz (1997) The Grimsel migration test site (GTS) excavation project: in-situ resolution gamma spectrometric analysis of Co-60, Se-75,Sn-113, Eu-152, U-235 and Np-237 / Pa-233.- Paul Scherrer Institut annual report 1996. Annex II: PSI life sciences and Institute for Medical Radiobiology Newsletter, 63.
  6. W.Kickmaier, S.Vomvoris, I.G.McKinley and W.R.Alexander (2005) Grimsel Test Site: challenges for the 21st century and beyond. European Geologist, 19 (June 2005), 19-22

 

5. Non-reviewed papers (conferences, workshops etc)

  1. W.R.Alexander, R.D.Scott, A.B.MacKenzie and I.G.McKinley (1987) Natural analogue studies at Grimsel, southern Switzerland. CEC Report EUR11037EN, Brussels.
  2. W.R.Alexander, U.Frick, A.Gautschi and I.G.McKinley (1990) Natural analogue studies in the radioactive waste rescarch programme of Switzerland. CEC Report EUR13013EN, Brussels.
  3. W.R.Alexander and I.G.McKinley (1990) Natural analogues in performance assessment: improving models of radionuclide transport in groundwaters by studying the natural environment. CEC Report EUR13014EN, Brussels.
  4. W.R.Alexander (1991) Redox state of the Grimsel Test Site (GTS) radionuclide migration experiment (MI) groundwater/rock system. Nagra Unpublished Internal Technical Note, Nagra, Wettingen, Switzerland.
  5. U.Frick, W.R.Alexander and W.Drost (1992) The radionuclide migration experiment at Nagra's Grimsel underground test site-a comprehensive programme including field, laboratory and modelling studies. IAEA paper noIAEA-SM-319/27 in Isotope Techniques im Water Resources Development 1991, IAEA, Vienna.
  6. I.G.McKinley and W.R.Alexander, C.McCombie and P.Zuidema (1992) Application of results from the Pocos de Caldas project in the Kristallin I HLW performance assessment. in Proc. Las Vegas HLW Manag. Conference, 12-16 April, 1992.
  7. W.R.Alexander (1993) Assessment of conservative matrix diffusion depths (in crystalline rock) via studies of natural systems (a support document for the Kristallin- 1 safety assessment) in U.Frick, Beurteilung der diffusion im grundwasser non Kristallingesteinen. Nagra Unpublished Internal Report, Nagra, Wettingen.
  8. S.M.Pate, I.G.McKinley and W.R.Alexander (1994) Use of natural analogue test cases to evaluate a new performance assessment TDB. CEC Report EUR15176EN, Brussels.
  9. W.R.Alexander, B.Frieg, S.A.Short, H.Kawamura and I.G.McKinley (1994) Model testing in the extreme? Excavation of the site of an in situ radionuclide migration experiment. Proc. "Focus '93" Conf. on Site Characterisation and Model Validation, Las Vegas, September,1993.
  10. W.R.Alexander, K.Hatanaka, H.Umeki and U.Frick (1994) The Nagra/PNC radionuclide migration experiment: first phase of the rigorous testing of a PNC transport model. Proc. Inter. Conf. Geological Disposal Rad. Waste, Tokai, November,1993. PNC Report, PNC, Tokyo.
  11. I.G.McKinley, A.Scholtis and W.R.Alexander (1994) The Nagra thermodynamic database: compilation, testing and application. Proc. Inter. Conf. Geological Disposal Rad. Waste, Tokai, November,1993. PNC Report, PNC, Tokyo.
  12. I.G.McKinley and W.R.Alexander (1996) The uses of natural analogue input in repository performance assessment: an overview. Proc. 6th NAWG Workshop, Santa Fe, Sept. 1994. CEC EUR Report EN16761.
  13. W.R.Alexander, A.Gautschi and I.G.McKinley (1997) Overview of the Swiss natural analogue programme 1994. Proc. 6th NAWG Workshop, Santa Fe, Sept. 1994. CEC EUR Report EN16761.
  14. W.R.Alexander and I.G.McKinley (1996) The chemical basis of the Swiss high-level radioactive waste disposal concept (near-field). Extended abstract in Proc. Min. Soc. Conf. Chem. Containment Wastes in the Geosphere, 3-4 September, 1996, Nottingham, UK.
  15. W.R.Alexander and M.Mazurek (1996) The Maqarin natural analogue: possible implications for the performance of a cementitious repository at Wellenberg. Nagra Unpublished Internal Report, Nagra, Wettingen.
  16. W.R.Alexander and J.A.T.Smellie (1998) Maqarin natural analogue project. ANDRA, CEA, Nagra, Nirex and SKB synthesis report on Phases I, II and III. Nagra Unpublished Project Report, Nagra, Wettingen.
  17. W.R.Alexander, J.A.T.Smellie and I.Crossland (1998) Potential effects of hyperalkaline leachates on cementitious repository host rocks: an example from northern Jordan. Extended abstract in Proc. Min. Soc.Conf. Chem. Containment Wastes in the Geosphere, 3-4 September, 1996, Nottingham, UK.
  18. W.R.Alexander, I.G.McKinley, U.Frick and K.Ota (1997) The Grimsel field tracer migration experiment - what have we achieved after a decade of intensive work? OECD Proceedings: Workshop on  Field Tracer Experiments (Role in the Prediction of Radionuclide Migration), Cologne, Germany, 28-30 August, 1996, NEA/OECD, Paris, France.
  19. W.R.Alexander, B.Frieg, K.Ota and P.Bossart (1997) The assessment of radionuclide entrapment in repository host rocks. OECD Proceedings: Workshop on  Field Tracer Experiments (Role in the Prediction of Radionuclide Migration), Cologne, Germany, 28-30 August, 1996, NEA/OECD, Paris, France.
  20. W.R.Alexander and J.A.T.Smellie (1997) The Maqarin natural analogue project: an overview. Proc. 7th NAWG Workshop, Stein am Rhein, Sept. 1996. CEC EUR Report EN 17851, Commission of the European Communities, Brussels.
  21. D.M.McKie, U.Mäder, W.R.Alexander, I.G.McKinley, H.Yoshida and K.Ota (1997) Development of a mechanistic model to interpret natural decay series disequilibrium data. 7th Meeting of the Natural Analogue Working Group, Stein am Rhein , CEC Report EUR 17851, pp.35-37, Commission of the European Communities, Brussels.
  22. K.Ota, W.R.Alexander and B.Frieg (1998) Nagra/PNC field studies on radionuclide retardation in fractured crystalline rocks in the Grimsel Test Site, Switzerland. Abst. Ann. Meet. Atom.Energy Soc. Japan, 26-28 March, 1998.
  23. F. Neall and W.R.Alexander (1999) Examination of the potential effects of cement leachates on radioactive waste containment in a cementitious repository: overview report. Nagra Unpublished Project Report, Nagra, Wettingen.
  24. R.Sato, H.Grogan and W.R.Alexander (1999) An example of the application of the Nagra Scenarios Development Methodology to the proposed JNFL Rokkasho No. 3 repository. Nagra Unpublished Project Report NPB 99-16, Nagra, Wettingen.
  25. W. R. Alexander and W. Kickmaier ( 2000) Radionuclide retardation in water conducting systems - lessons learned in the research programme in the Grimsel Test Site/ Radionuklidretardation in wasserführenden Systemen - Erfahrungen aus den Untersuchungsprogrammen im Felslabor Grimsel. Sanierung der Hinterlassenschaften des Uranerzbergbaus (Chancen und Grenzen der geochemischen und Transport-Modellierung bei der Verwahrung von Uranbergwerken und bei der Endlagerung radioaktiver Abfälle), 5th Workshop (18 - 18 May, 2000), Dresden, Germany.
  26. J.M.West, W.M.Miller, I.G.McKinley and W.R.Alexander (2001) Confidence building in the Japanese radioactive waste disposal programme: the use of natural analogues. Nagra Unpublished Project Report NPB 01-04, Nagra, Wettingen.
  27. W.R. Alexander, K. Ando, A. Shimmura, W. Miller, J. West and H. Kawamura (2001) Using natural analogues in public communication. Poster presented at Earth Systems Conference, Edinburgh, June, 2001
  28. F.B.Neall, L.Schlickenrieder and W.R.Alexander (2001) Establishing a long-term R&D/D&V programme for disposal of Japanese TRU wastes. Nagra Unpublished Project Report, Nagra, Wettingen.
  29. J. West, W.R. Alexander, K.Kaku, I.G.McKinley and A.Shimmura (2002) Communication of nuclear power concepts to stakeholders - the use of nature's own laboratories. Proceedings for NUCEF 2001 - Scientific Bases for Criticality Safety, Separation Process and Waste Disposal. 31 Oct to 2 Nov 2001, Tokai, Japan. Japan Atomic Energy Research Institute Report JAERI Conf 2002-004. pp 47 – 54
  30. C.Biggin, A.Möri, W.R.Alexander, K.Ota, B.Frieg, W.Kickmaier and I.G.McKinley (2002) In situ Radionuclide Retardation in Groundwater Conducting Systems: Overview of the Research Carried out at Nagra's Grimsel Test site, Central Switzerland. Proceedings 9 th International Symposium on Environmental Radiochemical Analysis, September 2002, Kent.
  31. H.von Maravaic and W.R.Alexander (2002) eds 8th EC NAWG meeting: proceedings of an international workshop held in Strasbourg, France, from 23-25 March, 1999. EC EUR 19118 EN, Luxembourg.
  32. W.R.Alexander and P.Blaser (Eds) (2002) The use of technical natural analogues in radioactive waste disposal. Nagra Unpublished Project Report, Nagra, Wettingen, Switzerland.
  33. L.McKinley, F.N.Neall and W.R.Alexander (2003) A study on technical information for natural analogues. Nagra Unpublished Project Report, Nagra, Wettingen, Switzerland.
  34. W.R.Alexander and A.Moeri, A., 2003. Cementitious colloids: Integration of laboratory, natural analogue and in situ field data. Goldschmidt Conference Abstracts, Geochim. Cosmochim. Acta, 18(S1): A11, 159-160.
  35. P.A.Smith, W.R.Alexander and P.Gribbi (2003) The use and development of geosphere radionuclide transport codes in the Swiss radioactive waste management programme: a study on upgrading safety performance technology - case survey of the detailed analysis of the repository and its neighbourhood (Switzerland). Nagra Unpublished Project Report, Nagra, Wettingen, Switzerland.
  36. P.A.Smith, I.G.McKinley and W.R.Alexander (2004) The Nagra Safety Assessment Methodology for Project Opalinus Clay: an Overview. Nagra Unpublished Project Report, Nagra, Wettingen, Switzerland.
  37. K.Kaku, P.Blaser, I.G.McKinley and W.R.Alexander (2004) TRU waste disposal - studies of possibilities in crystalline and sedimentary rocks in Switzerland. Nagra Unpublished Project Report, Nagra, Wettingen, Switzerland.
  38. P.Blaser, I.G.McKinley, W.R.Alexander and F.Neall (2004) TRU – scenarios and alternative concepts. Nagra Unpublished Project Report, Nagra, Wettingen, Switzerland.
  39. P.A.Smith, I.G.McKinley, J.Schneider and W.R.Alexander (2004) A study on upgrading safety assessment technology: handling of uncertainties in data, models and scenarios for safety assessment (Switzerland). Nagra Unpublished Project Report, Nagra, Wettingen, Switzerland.
  40. I.G.McKinley, W.R.Alexander, I.Blechschmidt and P.Vogt (2006) NA synthesis. Part I: review of existing information and recommendations for future studies of relevance to the Japanese HLW/TRU deep disposal programme. Nagra Unpublished Project Report, Nagra, Wettingen, Switzerland.

 

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