CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11123 | LVS EN 26595:1992/AC:1992 | Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method (ISO 6595:1982) | Atcelts |
| 10974 | LVS EN 26461-2:1993 A | Water quality - Detection and enumeration of the spores of sulfite-reducting anaerobes (Clostridia) - Part 2: Method by membrane filtration | Standarts spēkā |
| 10973 | LVS EN 26461-1:1993 | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986) | |
| 10951 | LVS EN 25814:1992 | Water quality - Determination of dissolved oxygen - Electrotechnical probe method (ISO 5814:1990) | Atcelts |
| 10958 | LVS EN 25813:2000 | Water quality - Determination og dissolved oxygen - Iodometric method | Standarts spēkā |
| 10981 | LVS EN 25667-2:1993 | Water quality - Sampling - Part 2: Guidance on sampling techniques (ISO 5667-2:1991) | Atcelts |
| 10980 | LVS EN 25667-1:1993 | Water quality - Sampling - Part 1: Guidance on the design of sampling programmes | Atcelts |
| 11007 | LVS EN 25663:2000 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium | Standarts spēkā |
| 11051 | LVS EN 1899-2:1998 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 2: Method for undiluted samples (ISO 5815:1989, modified) | |
| 10995 | LVS EN 1899-1:1998 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified) |
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