1. Norwegian Geotechnical Institute (NGI), P.O. Box 3930, Ullevål Stadium,
N-0806 Oslo, Norway
2. Chemical,
Biochemical, and Environmental
Engineering, University of Maryland Baltimore County, Baltimore, Maryland 21250, United States
3. Civil and Environmental Engineering, Stanford University, Stanford, California 94305-4020,
United States
4. Soil and
Environment Division, Norwegian Institute for Agricultural and Environmental Research (Bioforsk), Fredrik A. Dahls
vei 20, N-1432 Ås, Norway
5. Lindum Ressurs og Gjenvinning AS, Lerpeveien 155, N-3036 Drammen, Norway
6. Applied Environmental Sciences (ITM), Stockholm University, 10691 Stockholm, Sweden
7. Plant and Environmental Sciences
(IPM), University of Life Sciences (UMB), Ås, Norway