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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 for the sampling of zooplankton from standing waters
90.93 Standard confirmed
Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment
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 standard on determining the degree of modification of river hydromorphology
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
Water quality - Guidance standard on assessing the hydromorphological features of lakes
90.93 Standard confirmed
Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
90.93 Standard confirmed
Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers
90.93 Standard confirmed
Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples
90.93 Standard confirmed
Water quality - Guidance standard for designing and selecting taxonomic keys
90.93 Standard confirmed
Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)
90.93 Standard confirmed
Water quality - Visual seabed surveys using remotely operated and/or towed observation gear for collection of environmental data
90.93 Standard confirmed
Water quality - Performance requirements and conformity test procedures for water monitoring equipment - Automatic sampling devices (samplers) for water and waste water
60.60 Standard published