CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
61597 | LVS EN ISO 9308-1:2014/A1:2017 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014/Amd 1:2016) | Standarts spēkā |
39328 | LVS EN ISO 9308-2:2014 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012) | Standarts spēkā |
11046 | LVS EN ISO 9308-3:1998 A | Water 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 medium | Standarts spēkā |
11126 | LVS EN ISO 9308-3:1998 A/AC:2003 A | Water 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 medium | Standarts spēkā |
11046 | LVS EN ISO 9308-3:2006 +AC L | Water 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 medium | Standarts spēkā |
11077 | LVS EN ISO 9377-2:2001 | Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction an gas chromatography | Standarts spēkā |
10979 | LVS EN ISO 9391:1995 A | Water quality - Sampling in deep waters for macro-invertebrates - Guidance on the use of colonization, qualitative and quantitative samplers | Atcelts |
11069 | LVS EN ISO 9408:2000 | Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium by determination of oxygen demand in a closed respirometer | Standarts spēkā |
11070 | LVS EN ISO 9439:2003 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test | Standarts spēkā |
11009 | LVS EN ISO 9509:2003 | Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water | Atcelts |
Displaying 701-710 of 800 results.