Registration number (WIID)Project No.TitleStatus
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
11125LVS EN ISO 7899-1:1998 A /AC:2002Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid mediumStandarts spēkā
20546LVS EN ISO 10705-2:2002Water quality - Detection and enumeration of bacteriophages - Part 2: Enumeration of somatic coliphagesStandarts spēkā
11102LVS EN ISO 15682:2002Water quality - Determination of chloride by flow analysis (CFA and FIA) and photometric or potentiometric detectionStandarts spēkā
11090LVS EN ISO 15587-2:2002 AWater quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestionStandarts spēkā
Displaying 811-820 of 831 results.