Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil materials - Part 1: Batch test using a liquid to solid ratio of 2 l/kg dry matter (ISO/TS 21268-1:2007); German version CEN ISO/TS 21268-1:2009
Deutsches Institut Fur Normung E.V. (German National Standard) , 02/01/2010
