LVS/STK/25
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 12133 | LVS EN 872:2007 L | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | 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 |
| 12060 | LVS EN ISO 7899-1:2006 +AC A/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 |
| 11510 | LVS 339:2001 | Water quality - Determination of nitrite - Manual cadmium reduction method | Standarts spēkā |
| 10381 | LVS ISO 7934:1989 | Stationary source emissions - Determination of the mass concentration of sulfur dioxide - Hydrogen peroxide/barium perchloratel/thorin method | 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 |
| 12083 | LVS ISO 11222:2006 L | Air quality - Determination of the uncertainty of the time average of air quality measurements | Standarts spēkā |
| 12082 | LVS ISO 11222:2006 A/L | Air quality - Determination of the uncertainty of the time average of air quality measurements | Standarts spēkā |
| 11511 | LVS 340:2001 | Water quality - Determination of nitrogen - Manual method using oxidative digestion with peroxodisulfate and cadmium reduction | Standarts spēkā |
| 11920 | LVS EN ISO 6878:2005 A/L | Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method | Standarts spēkā |
Displaying 21-30 of 177 results.