Impact factors and ranks of selected journals in categories according to 

SCI journal citation reports (2008):

Name of Journal Impact factor

5-year Impact factor

Category and Rank
Applied Radiation and Isotopes 1.114 1.147 Nuclear Science & Technology: 6/30
Aquatic Toxicology 3.517 3.867 Marine & Freshwater Biology: 4/87
Atmospheric Environment 2.890 3.423 Environmental Sciences: 27/163
Applied Spectroscopy 2.062 2.013 Instruments and Instrumentation: 9/56

Chemosphere

3.054 3.445 Environmental Sciences: 23/163

Computer Physics Communications

2.120 2.038 Computer Science, Interdisciplinary applications: 18/94

Environmental Modelling & Software

2.659 2.444 Computer Science, Interdisciplinary applications: 8/94
Environmental Science & Technology 4.458 5.075 Environmental Sciences: 7/163
Environmental Toxicology and Chemistry 2.420 2.710 Environmental Sciences: 36/163
Health Physics 0.869 0.955 Nuclear Science & Technology: 14/30
IEEE Transactions on Nuclear Science 1.518 1.600 Nuclear Science & Technology: 2/30
International Journal of Radiation Oncology Biology and Physics 4.639 5.015 Radiology: 7/90
International Journal of Radiation Biology 2.178 2.112 Nuclear Science & Technology: 1/30
Journal of Environmental Radioactivity 1.114 1.413 Environmental Sciences: 102/163
Journal of Hazardous Materials 2.975 3.212 Engineering, Civil: 1/91
Journal of Radiation Research 1.462 1.763 Radiology: 58/90
Journal of Radiological Protection 1.169 1.242 Nuclear Science & Technology: 5/30
Marine Biology 1.953 2.217 Marine & Freshwater Biology: 22/87
Marine Ecology Progress Series 2.631 3.151 Marine & Freshwater Biology: 11/87
Marine Pollution Bulletin 2.562 2.979 Environmental Sciences: 34/163
Materials Chemistry and Physics 1.799 2.005 Materials Science, Multidisciplinary: 55/191
Materials Science and Engineering R 12.619 20.328 Materials Science, Multidisciplinary: 5/191;   Physics, Applied: 3/95
Medical Physics 3.871 4.072 Radiology: 13/90
Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis 3.198 4.156 Toxicology: 16/75
Nuclear Instruments & Methods in Physics Research, A 1.019 1.091 Nuclear Science & Technology: 8/30
Nuclear Instruments & Methods in Physics Research, B 0.999 1.065 Nuclear Science & Technology: 10/30
Physics in Medicine and Biology 2.784 3.173 Engineering, Biomedical: 9/51
Polymer Degradation and Stability 2.320 2.763 Polymer Science: 14/73
Radiation and Environmental Biophysics 1.787 1.727 Environmental Sciences: 67/163
Radiation Measurements 1.501 1.554 Nuclear Science & Technology: 4/30
Radiation Protection Dosimetry 0.951 1.048 Nuclear Science & Technology: 11/30
Radiation Research 3.043 3.279 Radiology: 22/40
Radiotherapy and Oncology 3.990 3.918 Radiology: 12/90
Surface & Coatings Technology 1.860 2.124 Materials Science, Coatings & Films: 3/16
X-ray Spectrometry 1.390 1.154 Spectroscopy: 24/39