Projects and standards

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

40.20 DIS ballot initiated

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

10.99 New project approved

Water quality - Calculation of biological equivalence (BEQ) concentrations

10.99 New project approved

Environmental characterization of leachates from waste and soil using reproductive and toxicological gene expression in Daphnia magna

60.55 Ratification completed (DOR)

60.60 Standard published

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

90.92 Standard to be revised

Water quality - Sampling of fish with electricity

90.93 Standard confirmed

Water quality - Guidance for the surveying of aquatic macrophytes in running waters

90.93 Standard confirmed

Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes

90.93 Standard confirmed

Water quality - Guidance standard for assessing the hydromorphological features of rivers

60.60 Standard published

Water quality - Sampling of fish with multi-mesh gillnets

90.93 Standard confirmed

Water quality - Guidance on the scope and selection of fish sampling methods

90.93 Standard confirmed

Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment

90.93 Standard confirmed

Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique)

90.93 Standard confirmed

Water quality - Guidance standard for the surveying of macrophytes in lakes

90.93 Standard confirmed

Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water

90.93 Standard confirmed

Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods

90.93 Standard confirmed

Water quality - Guidance on quantitative and qualitative investigations of marine phytoplankton

90.93 Standard confirmed