1. AFNOR (2002) NF EN 12457 - Leaching — compliance test for leaching of granular waste materials and sludges
2. AFNOR (2017) NF EN 14405 - Characterization of waste — leaching behaviour test — up-flow percolation test (under specified conditions).
3. AFNOR (2022) NF EN 1097–6 - Tests for mechanical and physical properties of aggregates - part 6 : determination of particle density and water absorption. https://www.boutique.afnor.org/en-gb/standard/nf-en-10976/tests-for-mechanical-and-physical-properties-of-aggregates-part-6-determina/fa192181/321395.
4. AFNOR (2024) NF EN 16637–3 - Construction products: assessment of release of dangerous substances - part 3: horizontal up-flow percolation test
5. CEN/TC 351 (2019) CEN/TS 17196:2019 - Construction products: assessment of release of dangerous substances — digestion by aqua regia for subsequent analysis of inorganic substances