Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 13: Equipment for separation and treatment of mineral solids such as grit
Treatment of water of swimming pools and baths - Part 5: Combinations of process using bromine as disinfectant, produced by ozonation of bromide-rich water
Workplace exposure - Guide for the use of direct-reading instruments for aerosol monitoring - Part 3: Evaluation of airborne particle concentrations using photometers
German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 27: Determination of sulfide by gas extraction method (D 27)
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of dissolved silver by atomic absorption spectrometry using electrothermal atomization (E 18)
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30)