Standards search

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Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality

50.60 Close of voting. Proof returned by secretariat

CEN/TC 230

Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO/FDIS 10253:2024)

50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks

CEN/TC 230

Water quality - Determination of nitrogen - Kjedahl method after reduction with Devarda's alloy

10.99 New project approved

CEN/TC 230

Water quality - Determination of chemical oxygen demand

40.20 DIS ballot initiated: 12 weeks

CEN/TC 230

Water quality - Determination of manganese - Formaldoxime spectrometric method (ISO 6333:1986)

50.60 Close of voting. Proof returned by secretariat

CEN/TC 230

Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes

10.99 New project approved

CEN/TC 230

Water quality - Guidance standard on determining the degree of modification of river hydromorphology

10.99 New project approved

CEN/TC 230

Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers

10.99 New project approved

CEN/TC 230

Water quality - Guidance standard on a strategic approach to river restoration

40.60 Close of voting

CEN/TC 230

Water quality - Minimum requirements for the selection, installation, validation, and operation of continuous measuring devices.

10.99 New project approved

CEN/TC 230

Water quality - Method for assessment of fish damage in pumps and turbines used in pumping stations and hydropower plants

40.10 harmonizedStageCodeLabel.40.10

CEN/TC 230

Water quality - Determination of suspended solids - Determination by 0,4-0,45 micrometer pore width filters

40.60 Close of voting

CEN/TC 230

Water quality - Determination of suspended solids - Determination of coarse particules and fibres separated on a 60 to 70 micrometer sieve

40.60 Close of voting

CEN/TC 230

Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003)

40.20 DIS ballot initiated: 12 weeks

CEN/TC 230

Water quality - Radium-226 - Part 3: Test method using coprecipitation and gamma-spectrometry (ISO/DIS 13165-3:2023)

45.99 Dispatch of FV draft to CCMC

CEN/TC 230

Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO/DIS 13646:2023)

40.60 Close of voting

CEN/TC 230

Water quality -- Enumeration of culturable microorganisms -- Colony count by spread plate inoculation on R2A medium

10.99 New project approved

CEN/TC 230

Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)

40.20 DIS ballot initiated: 12 weeks

CEN/TC 230