1. H.A. van der Sloot, O. Hjelmar, Th.G. Aalbers, M. Wahlstrom and A.-M. Fallman. CEN TC 292. WG2. document: Proposed leaching test for granular solid waste. February, 1993.
2. Compendium of waste leaching tests. Environment Canada. Environmental Protection series. Report EPS 3/HA/7. May 1990
3. Review of leaching test protocols with a view to developing an accelerated anearobic leaching test;Wallis,1992
4. H.A van der Sloot, D. Hoede and P. Bonouvrie. Comparison of different regulatory leach test procedures for waste materials and construction materials. ECN-C-91–082, 1991.
5. NEN 7341. Determination of the leaching behaviour of granular materials. Availability for leaching. NNI, 1993.