Registration number (WIID)Project No.TitleStatus
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
67629LVS EN ISO 9697:2019Water quality - Gross beta activity - Test method using thick source (ISO 9697:2018)Standarts spēkā
41073LVS EN ISO 9698:2015Water quality - Determination of tritium activity concentration - Liquid scintillation counting method (ISO 9698:2010)Atcelts
63552LVS EN ISO 9698:2019Water quality - Tritium - Test method using liquid scintillation counting (ISO 9698:2019)Standarts spēkā
10976LVS EN ISO 9887:2000Water quality - Evalution of the aerobic biodegrability of organic compounds in an aquenous medium by the semi-continuous activated sludge methodStandarts spēkā
11071LVS EN ISO 9888:2000Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium - Static test (Zahn-Wellens method)Standarts spēkā
Displaying 711-720 of 801 results.