Strategy of collecting samples from an aquatic environment / Preservation and storage of water samples / Application of passive sampling techniques for monitoring the aquatic environment / Modern techniques of analyte extraction / Mineralization techniques used in the sample preparation step / Biota analysis as a source of information on the state of aquatic environments / Speciation analytics in aquatic ecosystems / Immunochemical analytical methods for monitoring the aquatic environment / Application of biotests / Total parameters as a tool for the evaluation of the load of xenobiotics in the environment / Determination of radionuclides in the aquatic environment / Analytical techniques for the determination of inorganic constituents / Analytical techniques for the determination of organic and organometallic analytes / Introducing the concept of sustainable development into analytical practice : green analytical chemistry / Chemometrics as a tool for treatment processing of multiparametric analytical data sets / Quality assurance and quality control of analytical results / Analytical procedures for measuring precipitation quality used within the EMEP monitoring program / Life cycle assessment of analytical protocols / Preparation of samples for analysis : the key to analytical success