JOURNALO F HAZARDOUS MATERIALS Journal of Hazardous Materials 49 (1996) 335-336 Contents Volume 49 Aerobic biodegradation of 2,4-dinitrotoluene, aminonitrotoluene isomers, and 2,4-diaminotoluene D.L. Freedman (Urbana, IL, USA), R.S. Shanley and R.J. Scholze (Champaign, IL, USA) Influence of desorption on the indoor concentration of toxic gases E. Karlsson (Umea, Sweden) and U. Huber (Spiez, Switzerland) A model of the motion and dilution of a heavy gas cloud released on a uniform slope in calm conditions G.A. Tickle (Warrington, UK) The accidental ignition of stockpiled low-rank coal by proximity to active combustion J.C. Jones (Aberdeen, UK) Monitoring and modeling of PCB dry deposition in urban area W.-J. Lee, C.-C. Su, H.-L. Sheu, Y.-C. Fan, H.-R. Chao (Tainan, Taiwan) and G.-C. Fang (Taichung, Taiwan) The role of aspect ratio on entrainment rates of instantaneous, axisymmetric finite volume releases of dense fluid P. Hug (Newark, DE, USA) Book Review Pyrolysis kinetics of epoxy resin in a nitrogen atmosphere K.S. Chen and R.Z. Yeh (Kaohsiung, Taiwan) Application of dispersion models to flammable cloud analyses T.O. Spicer and J. Havens (Fayetteville, AR, USA) Molecular migration of hazardous liquids into thermoplastic ethylene—propylene random copolymer and isotactic polypropylene membranes T.M. Aminabhavi, H.T.S. Phayde (Dharwad, India), J.D. Ortego (Beaumont, TX, USA) and W.E. Rudzinski (San Marcos, TX, USA) Removal of pentachlorophenol from wastewater by combined anaerobic—aerobic treatment S.K. Bhattacharya, Q. Yuan and P. Jin (New Orleans, LA, USA) Coal agloflotation: a remediation technique for cleaning of town gas soils M.M. Joshi and S. Lee (Akron, OH, USA) Heavy metal removal by caustic-treated yeast immobilized in alginate Y. Lu and E. Wilkins (Albuquerque, NM, USA) The bituminous material in Arctic peat: implications for analyses of petroleum contamination D.M. White and R.L. Irvine (Notre Dame, IN, USA) Intrinsic bioremediation of fuel contamination in ground water at a field site D.H. Kampbell (Ada, OK, USA), T.H. Wiedemeier (Denver, CO, USA) and J.E. Hansen (Brooks Air Force Base, TX, USA) Removal of nickel ions from aqueous solution by biomass and silica-immobilized biomass of Medicago sativa (alfalfa) J.L. Gardea-Torresdey, K.J. Tiemann, J.H. Gonzalez, I. Cano-Aguilera (El Paso, TX, USA), J.A. Henning and M.S. Townsend (Las Cruces, NM, USA) 336 Contents Volume 49 Effect of solution pH on the kinetics of phenolics uptake on granular activated carbon N.S. Abuzaid and G.F. Nakhla (Dhahran, Saudi Arabia) A prediction method for gas-phase VOC isotherms onto soils and soil constituents J.F. Campagnolo and A. Akgerman (College Station, TX, USA) Vacuum extraction of a nonaqueous phase residual in a heterogeneous vadose zone J.L. Smith, D.D. Reible (Baton Rouge, LA, USA), Y.S. Koo and E.P.S. Cheah (Sydney, Australia) . Distribution study of priority pollutant PAHs from a laboratory aluminum-can chip smelting furnace Y.-L. Wei (Taichung, Taiwan) A Quality-Assurance guide for the evaluation of mathematical models used to calculate the conse- quences of Major Hazards E. Vergison (Brussels, Belgium) Research on the thermal destruction of wastes C.C. Lee and G.L. Huffman (Cincinnati, OH, USA) An analysis of some replicated wind tunnel experiments on instantaneously released heavy gas clouds dispersing over solid and crenellated fences J.K.W. Davies and D.J. Hall (Sheffield, UK, Watford) Subject Index Volume 49 Contents Volume 49