Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria (ISO/DIS 11348-3:1996); German version prEN ISO 11348-3:1996
€63.27
Treatment of the water of swimming-pools and baths - Part 1: General requirements
€91.03
Treatment of water of swimming-pools and baths - Part 2: Combination of process: Adsorption, flocculation, filtration, chlorination
€41.78
Treatment of water of swimming-pools and baths - Part 3: Combination of process: Flocculation, filtration, ozonization, absorbing filtration, chlorination
€48.79
Wastewater treatment plants - Part 4: Primary treatment; German version prEN 12255-4:1997
Wastewater treatment plants - Part 6: Activated sludge processes; German version prEN 12255-6:1997
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 30: Pretreatment, homogenization and aliquotation of non-homogeneous water samples (A 30)
German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 6: Determination of lead by atomic absorption spectrometry (AAS) (E 6)
Water quality - Determination of 33 elements by inductively coupled plasma atomic emission spectroscopy (ISO 11885:1996); German version prEN ISO 11885:1997
Wastewater treatment plants - Part 7: Biological fixed-film reactors; German version prEN 12255-7:1997
Wastewater treatment - Vocabulary; Trilingual version EN 1085:1997
€140.00
Drainage systems on private ground; design of sizes of drain, waste and ventilation pipelines
€84.58
Water quality; determination of suspended solids; determination by 0.4 µm to 0.45 µm pore width filters; german version prEN 870:1992
€34.30
Water quality; determination of suspended solids; determination of coarse particles and fibres seperated on a 60 to 0,70-µm sieve; german version prEN 871:1992
Water quality; evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds; method by analysis of released carbon dioxide (ISO 9439:1990); German version EN 29439:1993
