LVS/STK/25
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10380 | LVS ISO 6060:1989 | Water quality - Determination of the chemical oxygen demand | Standarts spēkā |
| 11169 | LVS ISO 7875-2:1984 | Water quality - Determination of surfactants - Part 2: Determination of non-ionic surfactants using Dragedorff reagent | Standarts spēkā |
| 12074 | LVS EN ISO 7899-1:2006 +AC L | Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid medium | Standarts spēkā |
| 12073 | LVS EN ISO 7899-2:2006 L | Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method | Standarts spēkā |
| 11658 | LVS ISO 11261:2002 L | Soil quality - Determination of total nitrogen - Modified Kjeldahl method | Standarts spēkā |
| 11637 | LVS 409:2002 | Quality of Environment - Determination of the Biodegradability of Anion Surfactants - Reference method | Standarts spēkā |
| 11511 | LVS 340:2001 | Water quality - Determination of nitrogen - Manual method using oxidative digestion with peroxodisulfate and cadmium reduction | Standarts spēkā |
| 11510 | LVS 339:2001 | Water quality - Determination of nitrite - Manual cadmium reduction method | Standarts spēkā |
| 12081 | LVS ISO 10694:2006 A/L | Soil quality - Determination of organic and total carbon after dry combustion (elementary analysis) | Standarts spēkā |
| 11833 | LVS EN ISO 8689-2:2004 L | Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates | Standarts spēkā |
Displaying 81-90 of 177 results.