Registration number (WIID)Project No.TitleStatus
21718LVS EN ISO 17495:2003Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detectionStandarts spēkā
11061LVS EN ISO 15680:2004Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorptionStandarts spēkā
21805LVS EN ISO 6878:2004 AWater quality - Determination of phosphorus - Ammonium molybdate spectrometric methodStandarts spēkā
24737LVS EN ISO 14593:2005 AWater quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO<(Index)2> headspace test)Standarts spēkā
21712LVS EN ISO 23631:2006Water quality - Determination of dalapon, trichloroacetic acid and selected haloacetic acids - Method using gas chromatography (GC- ECD and/or GC-MS detection) after liquid- liquid extraction and derivatizationStandarts spēkā
24739LVS EN ISO 19493:2007Water quality - Guidance on marine biological surveys of hard- substrate communitiesStandarts spēkā
33487LVS EN 16150:2012Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable riversStandarts spēkā
36652LVS EN ISO 7827:2013Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:2010)Standarts spēkā
11077LVS EN ISO 9377-2:2001Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction an gas chromatographyStandarts spēkā
20545LVS EN ISO 10705-1:2002Water quality - Detection and enumeration of bacteriophages - Part 1: Enumeration of F-specific RNA bacteriophagesStandarts spēkā
Displaying 761-770 of 813 results.