| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments (Administrator) |
|---|---|---|---|---|---|
| AGR.14 | Determination of apparent bulk density of granulated cork | ISO 2031:2015 | Aggregate,Granulated cork | ||
| AGR.15 | Determination of the resistance to wear (micro-Deval test) | EN 1097-1:2011; NP EN 13450:2005 (Annex E), NP EN 13450:2005/AC:2010 | Ballast | ||
| AGR.16 | Determination of resistance to fragmentation - Los Angeles method | EN 1097-2:2020 (Annex A); NP EN 13450:2005 (Annex C); NP EN 13450:2005/AC:2010 | Ballast | ||
| AGR.17 | Determination of the lenght of aggregates for railway ballast | EN 13450 (section 6.7) | Aggregate,Railway ballast | ||
| AGR.18 | Determination of particle size distribution of armourstone | Internal procedure based on EN 13383-2 (section 5) | Aggregate,Armourstone | The test can be performed according to EN 13383-2:2019 (section 5) or EN 13383-2:2002* (section 5). | |
| AGR.19 | Determination of particle size distribution. Sieving method | EN 933-1:2012, EN 13450:2002, EN 13450:2002/AC:2004 | Ballast | ||
| AGR.20 | Determination of drying shrinkage | EN 1367-4:2008 | Aggregates | ||
| AGR.26 | Determination of length-to-thickness ratio of aggregates for armourstone | EN 13383-2:2002 (section 7) | Aggregate,Armourstone | ||
| AGR.27 | Determination of particle density and water absorption of armourstone | EN 13383-2:2002* (section 8) | Aggregate, Armourstone | The normative document indicated with * is void, and its tecnical validity is not in question. | |
| AGR.28 | Classification test for the constituents of coarse recycled aggregate | EN 933-11:2011 | Aggregate | ||
| AGR.30 | Determination of harmful ballast elements | Internal procedure | Aggregate, Railway ballast | ||
| AGR.32 | Determination of the voids of dry compacted filler | EN 1097-4:2008 | Aggregates | ||
| AGR.33 | Determination of percentage of crushed and broken surfaces in coarse aggregate particles | NP EN 933-5:2010* or EN 933-5:2022 | Aggregate | The normative document indicated with * is void, and its tecnical validity is not in question. | |
| AGR.34 | Particle size analysis by laser difraction | ISO 13320:2020 | Granular materials; Powder; Emulsions | ||
| AGR.35 | Determination of the dry density and water content - Proctor compaction test | EN 13286-2:2010 (Except for mould C and Annex B), EN 13286-2:2010/AC:2012 | Unbound and hydraulically bound aggregates |