Registration number (WIID)Project No.TitleStatus
20561LVS EN 12177:1998/AC:2000Liquid petroleum products - Unleaded petrol - Determination of benzene content by gas chromatography 
79469LVS EN ISO 4259-1:2026Petroleum and related products - Precision of measurement methods and results - Part 1: Determination of precision data in relation to methods of test (ISO 4259‑1:2026) 
79470LVS EN ISO 4259-2:2026Petroleum and related products - Precision of measurement methods and results - Part 2: Interpretation and application of precision data in relation to methods of test (ISO 4259-2:2026) 
376LVS EN ISO 3696:1995Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) 
481LVS EN 116:1997/AC:1999Diesel and domestic heating fuels - Determination of cold filter plugging point 
480LVS EN ISO 3104:1996/AC:1999Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity (ISO 3104:1994) 
81868LVS EN ISO 7278-2:2022/A1:2026Petroleum measurement systems - Part 2: Pipe prover design, calibration and operation - Amendment 1 (ISO 7278-2:2022/Amd 1:2026) 
72631EN ISO 4259-5:2024Petroleum and related products - Precision of measurement methods and results - Part 5: Statistical assessment of agreement between two different measurement methods that claim to measure the same property (ISO/DIS 4259-5:2022)Standarts spēkā
80481CEN/TS 18227:2025Automotive fuels - E20 petrol - Requirements and test methodsStandarts spēkā
70162LVS EN 15199-4:2021Petroleum products - Determination of boiling range distribution by gas chromatography method - Part 4: Light fractions of crude oilStandarts spēkā
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