German standard methods for the examination of water, waste water and sludge - Microbiological methods (group K) - Part 25: Protocol for the validation of alternative confirmation procedures and for verification of validated alternative confirmation procedures (K 25)
€134.02
Water quality - Enumeration of intestinal enterococci - Part 3: Most probable number method (ISO 7899-3:2025); German version EN ISO 7899-3:2025
€77.20
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 4: Membrane filtration method for Escherichia coli in water with high levels of background bacteria (ISO/DIS 9308-4:2025); German and English version prEN ISO 9308-4:2025
€84.58
Water quality - Criteria for the establishment of equivalence between microbiological methods (ISO/DIS 17994:2002); German version prEN ISO 17994:2002
Microbiology of the food chain, animal feed and water - Preparation, production, storage and performance testing of culture media and reagents (ISO/DIS 11133:2025); German and English version prEN ISO 11133:2025
€248.22
Standard Guide for Conducting Three-Brood, Renewal Toxicity Tests with Ceriodaphnia dubia
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Standard Guide for Conducting Acute, Chronic, and Life-Cycle Aquatic Toxicity Tests with Polychaetous Annelids
Standard Test Method for Retention Characteristics of 0.40 to 0.45-μm Membrane Filters Used in Routine Filtration Procedures for the Evaluation of Microbiological Water Quality (Withdrawn 2020)
Standard Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Freshwater Invertebrates
Standard Guide for Assessing the Hazard of a Material to Aquatic Organisms and Their Uses
Standard Test Method for Assessment of Antimicrobial Activity for Water Miscible Compounds Using a Time-Kill Procedure
Standard Practices for Determining Microbial Colony Counts from Waters Analyzed by Plating Methods
Water quality - General guidance on the enumeration of micro-organisms by culture (ISO 8199:2005)
€92.00
Standard Test Method for Isolation and Enumeration of Escherichia coli in Water by the Two-Step Membrane Filter Procedure
Standard Test Method for Enterococci in Water Using Enterolert
