- Using of Artificial Neural Networks in Prediction of SO2, NO and NO2 Concentrations in Gliwice, Poland - Wioletta Rogula, Jacek Żeliński ... 3 [summary]
- The Influence of Fenton Reaction on the Excess Sludge Sanitation - Marcin Dębowski, Mirosław Krzemieniewski ... 17 [summary]
- Coagulation and Sedimentation Processes as the First Node of Technological Installation for Treatment of Wastewater from Timber Processing Plant - Jacek Piekarski, Tadeusz Piecuch ... 33 [summary]
- Copper, Zinc, Manganese, Lead and Cadmium in Plants Gardno Lake - Piotr Trojanowski, Jan Trojanowski, Agnieszka Parzych ... 45 [summary]
- Quantitative and Qualitative Characteristics of Dissolved Organic Matter in Urban Small Water Reservoirs - Julita Dunalska, Jolanta Grochowska, Maciej Czasnowski ... 59 [summary]
- Bacteria Active in the Conversion of Nitrogen and Sulphur Compounds in Rainfall Collected under Crowns and Flowing Down Tree of Pines and Spruces in Wigry National Park - Stanisław Niewolak, Ewa Korzeniewska, Joanna Staszewska, Lech Krzysztofiak ... 69 [summary]
- Influence of Fly Ash on Changes of Polycyclic Aromatic Hydrocarbons Content in Composted Sewage Sludge - Patryk Oleszczuk, Stanisław Baran ... 79 [summary]
- Interaction between Fly Ash and Bottom Ash Mixture as a Sealing Layer of Waste Disposal Sites and Geomembranes HDPE - Katarzyna Zabielska-Adamska ... 93 [summary]
- Chemical Industrogenic Transformations of Soils on the Selected Area of Przedgórze Iłżeckie - Anna Świercz ... 111 [summary]
- Methodology for Spatial Classification of Transport Routes in the View of their Impact on the Acoustic Climate of the Environment - Janusz Kompała ... 123 [summary]
- Contents of vol. 31, 2005 ... 133
- Authors index vol. 31, 2005 ... 136