Dr Joe Small


AFFILIATION: National Nuclear Laboratory (NNL)

A. 5th Floor Chadwick House, Warrington Road, Birchwood Park, Warrington, WA3 6AE, UK.
E. joe.s.small@nnl.co.uk
P. +44 (0) 1925 289 977


I have a BSc in Geology and a PhD in clay mineral diagenesis and organic geochemistry. I have worked and undertaken post-doctoral research applied to the petroleum industry, where I developed experimental geochemical techniques to examine the formation and diagenesis of clay minerals. Here I also developed an interest in geochemical modelling. In 1997 I moved to the nuclear industry (BNFL) where I have applied modelling to environmental radiochemistry and geochemistry. In 2008 I was appointed as NNL Senior Research Fellow in Waste and Environmental Geochemistry.

My current interests are in the biogeochemistry of contaminated land and waste disposal systems and the role that microbes play in mediating redox reactions of radionuclides. My work has involved studies of concepts for deep geological disposal in the UK and France and near-surface low level waste repositories in the UK and Finland, where I have used site and experimental data to validate models of biogeochemical processes.


Wilkins, M.J., Livens, F.R., Vaughan, D.J., Lloyd, J.R., Beadle, I., Small, J.S. (2010). Fe(III) reduction in the subsurface at a low-level radioactive waste disposal site. Geomicrobiology Journal, 27 (3), pp. 231-239.

Small, J.S., Thompson, O.R. (2009). Modelling the spatial and temporal evolution of pH in the cementitious backfill of geological disposal facility. Materials Research Society Symposium Proceedings, 1124, pp. 327-332.

Small, J.S., Lennon, C., Kwong, S., Scott, R.J. (2008). Development and validation of a model of uranium release to groundwater from legacy disposals at the UK Low Level Waste Repository. Materials Research Society Symposium Proceedings, 1107, pp. 657-664.

Rotter, B.E., Barry, D.A., Gerhard, J.I., Small, J.S. (2008). Parameter and process significance in mechanistic modeling of cellulose hydrolysis. Bioresource Technology, 99 (13), pp. 5738-5748.

Rotter, B.E., Barry, D.A., Gerhard, J.I., Small, J.S. (2008). Modeling U(VI) biomineralization in single- and dual-porosity porous media. Water Resources Research, 44 (8), W08437.

Small, J.S, Nykyri, M., Helin, M., Hovi, U., Sarlin, T., Itävaara, M. (2008). Experimental and modelling investigations of the biogeochemistry of gas production from low and intermediate level radioactive waste. Applied Geochemistry, 23 (6), pp. 1383-1418.