LVS/STK/25
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11168 | LVS ISO 8199:1988 | Water quality - General guide to the enumeration of micro-organisms by culture | Atcelts |
| 11153 | LVS ISO 7150-1:1984 | Water quality - Determination of ammonium - Part 1: Manual spectrometric method | Standarts spēkā |
| 11152 | LVS ISO 6777:1984 | Water quality - Determination of nitrite - Molecular absorption spectrometric method | Standarts spēkā |
| 11149 | LVS EN 872:1996 | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | Atcelts |
| 11148 | LVS ISO 9096:1992 | Stationary source emissions - Determination of concentration and mass flow rate of particulate material in gas-carrying ducts - Manual gravimetric method | Atcelts |
| 11056 | LVS EN 1899-1:1998 | Water quality - Determination of biochemical oxygen demand after n days (BOD n ) - Part 1: Dilution and seeding method with allylthiourea addition | Atcelts |
| 10987 | LVS ISO 7996:2001 | Ambient air - Determination of the mass concentration of nitrogen oxides - Chemiluminescence method | Standarts spēkā |
| 10934 | LVS ISO 5664:2004 L /NAC:2007 | Water quality; Determination of ammonium; Distillation and titration method | Standarts spēkā |
| 10925 | LVS EN 1911-3:2002 L | Stationary source emissions - Manual method of determination of HCl - Part 3: Absorption solutions analysis and calculation | Atcelts |
| 10921 | LVS EN 12880:2006 A/L | Characterization of sludges - Determination of dry residue and water content | Standarts spēkā |
Displaying 111-120 of 177 results.