Registration number (WIID)Project No.TitleStatus
11046LVS EN ISO 9308-3:2006 +AC LWater quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (most probable number) by inoculation in liquid mediumStandarts spēkā
11077LVS EN ISO 9377-2:2001Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction an gas chromatographyStandarts spēkā
10979LVS EN ISO 9391:1995 AWater quality - Sampling in deep waters for macro-invertebrates - Guidance on the use of colonization, qualitative and quantitative samplersAtcelts
11069LVS EN ISO 9408:2000Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium by determination of oxygen demand in a closed respirometerStandarts spēkā
11070LVS EN ISO 9439:2003Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution testStandarts spēkā
11009LVS EN ISO 9509:2003Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waterAtcelts
20965LVS EN ISO 9509:2006Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganismsStandarts spēkā
21807LVS EN ISO 9562:2005Water quality - Determination of adsorbable organically bound halogens (AOX)Standarts spēkā
59145LVS EN ISO 9696:2018Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017)Standarts spēkā
59146LVS EN ISO 9697:2017Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015)Atcelts
Displaying 701-710 of 792 results.