- Odour Intensity Close to Detection Threshold - Joanna Kośmider, Beata Krajewska, Monika Sosialuk ... 3 [summary]
- Artificial Neural Networks in Air Pollution Prediction - Importance of Input Variables - Wioletta Rogula, Jacek Żeliński ... 15 [summary]
- Various Structures of Struvite Crystals - Jan Suschka, Eligiusz Kowalski, Sebastian Popławski ... 27 [summary]
- Struvite Precipitation and Simultaneous Ammonia Removal - Jan Suschka, Sebastian Popławski ... 43 [summary]
- Pollution Degree and Sanitary State Indicator Bacteria as the Indicators of the Purity of Lake Hańcza Waters - Anna Gotkowska-Płachta, Ewa Korzeniewska, Stanisław Niewolak ... 53 [summary]
- Escherichia Coli and other Groups of Opportunistically Pathogenic and Pathogenic Bacteria in the Offshore Water of the Lake Wigry - Ewa Korzeniewska ... 69 [summary]
- Impact of Anthropogenic Pressure on Aquatic Conditions in Lake Track in Olsztyn - Jolanta Grochowska, Helena Gawrońska ... 85 [summary]
- Hydro-chemical Characteristic of Czerniawka River - Witold Nocoń, Maciej Kostecki ... 95 [summary]
- Utilization of Different Carbon Compounds by Sulphate-reducing Bacteria in Mediums with Phosphogypsum - Dorota Wolicka, Włodzimierz Kowalski ... 105 [summary]
- Determination of Trace Elements in Classroom Aerosols - Bernard Połednik, Dariusz Węgrzynek ... 113 [summary]
