Soil and water quality — Guidance and requirements for designing an interlaboratory trial for validation of biotests

Water quality — Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) — Acute toxicity test

Water quality — Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)] — Part 2: Semi-static method

Water quality — Fresh water algal growth inhibition test with unicellular green algae

Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Carbon dioxide evolution test

Water quality — Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms

Water quality — Determination of the prolonged toxicity of substances to freshwater fish — Method for evaluating the effects of substances on the growth rate of rainbow trout (Oncorhynchus mykiss Walbaum (Teleostei, Salmonidae))

Water quality — Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum

Water quality — Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium

Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of biochemical oxygen demand (closed bottle test)

Water quality — Growth inhibition test with the marine and brackish water macroalga Ceramium tenuicorne

Water quality — Guidelines for the selection of sampling methods and devices for benthic macroinvertebrates in fresh waters

Water and soil quality — Determination of the toxic effect of sediment and soil samples on growth, fertility and reproduction of Caenorhabditis elegans (Nematoda)

Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 1: Method using freshly prepared bacteria — Amendment 1

Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 2: Method using liquid-dried bacteria

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 — Amendment 1

Water quality — Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge — Method by measurement of the biogas production

Water quality — Determination of inhibition of gas production of anaerobic bacteria — Part 1: General test

Water quality — Determination of the genotoxicity of water and waste water using the umu-test

Water quality — Determination of the acute toxicity to Thamnocephalus platyurus (Crustacea, Anostraca)

Water quality — Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water

Water quality — Evaluation of the aerobic biodegradability of organic compounds at low concentrations — Part 2: Continuous flow river model with attached biomass

Water quality — Determination of acute lethal toxicity to marine copepods (Copepoda, Crustacea)

Water quality — Determination of the acute toxicity of waste water to zebrafish eggs (Danio rerio)

Water quality — Selection of tests for biodegradability

Water quality — Polymerase chain reaction (PCR) for the detection and quantification of microorganisms and viruses — General requirements, quality assurance and validation

Water quality — Guidance for determination of biodegradability in the marine environment

Water quality — Detection and enumeration of Pseudomonas aeruginosa — Part 2: Most probable number method

Water quality — Determination of toxicity of fresh water sediments using Hyalella azteca

Water quality — Guidelines for quantitative sampling and sample processing of marine soft-bottom macrofauna

Water quality — Determination of the toxicity of water samples on the embryo-larval development of Japanese oyster (Crassostrea gigas) and mussel (Mytilus edulis or Mytilus galloprovincialis)

Water quality — Sampling, capture and preservation of environmental DNA from water

Water quality — Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods

Water quality — Adsorption of substances on activated sludge — Batch test using specific analytical methods

Water quality — Determination of the estrogenic potential of water and waste water — Part 2: Yeast estrogen screen (A-YES, Arxula adeninivorans)

Water quality — Guidance on marine biological surveys of hard-substrate communities

Water quality — Determination of the acute toxicity to the freshwater rotifer Brachionus calyciflorus

Water quality — Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza — Method using a stock culture independent microbiotest

Water quality — Determination of chronic toxicity to Ceriodaphnia dubia

Water quality — Determination of acute toxicity of water samples and chemicals to a fish gill cell line (RTgill-W1)

Water quality — Evaluation of genotoxicity by measurement of the induction of micronuclei — Part 2: Mixed population method using the cell line V79

Water quality — Calculation of biological equivalence (BEQ) concentrations

Water quality — Biochemical and physiological measurements on fish — Part 2: Determination of ethoxyresorufin-O-deethylase (EROD)

Water quality — The variability of test results and the uncertainty of measurement of microbiological enumeration methods