Water quality. Guidance standard for the surveying of macrophytes in lakes
€269.00
Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA CFA) Method injection (FIA)
Separator systems for light liquids (e.g. oil and petrol) Principles of product design, performance testing, marking quality control
€374.00
Water quality. Sampling Guidance on the use of sampling data for decision making. Compliance with thresholds and classification systems
€355.00
Water quality. Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA). Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry
Water quality. Determination of epichlorohydrin
€193.00
Water quality. Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermoehl technique)
Water quality. Sampling Guidance on sampling of drinking water from treatment works and piped distribution systems
Water quality. Biochemical and physiological measurements on fish Sampling of fish, handling preservation samples
Water quality. Biochemical and physiological measurements on fish Determination of ethoxyresorufin-O-deethylase (EROD)
Devices to prevent pollution by backflow of potable water. Unrestricted air gap. Family A. Type A
€165.00
Water quality. Determination of the elimination and biodegradability of organic compounds in an aqueous medium. Activated sludge simulation test
€316.00
Devices to prevent pollution by backflow of potable water. Air gap with circular overflow (restricted). Family A, type F
Devices to prevent pollution by backflow of potable water. Air gaps with minimum circular overflow (verified by test or measurement). Family A, type G
Wastewater treatment plants Measurement of the oxygen transfer in clean water aeration tanks activated sludge