In recent years, the importance of trace metal mobile fractions rather than total contents in environmental matrices is increasing in risk assessment evaluation of contaminated sites. In this study different leaching/extraction tests, aimed at the measurements of mobile fractions of trace metals and standardized at European Committee for Standardization (CEN) for the characterization of waste, ...

Introduction Conclusions References

In the first place, we have to piece together the bits and pieces which most resemble each other. As there are a number of qualities common to obviously unrelated pieces in our puzzle, we select certain basic patterns, and group the pieces together according to those basic patterns, irrespective of whether they have qualities which, on first appearance, do not appear to be reserved to anyone gr...

1 Assistant professor, Department of Economics and Business Management, Nova Scotia Agricultural College, P.O. Box 550, Truro, NS B2N 5E3. 2 Professor, Department of Agricultural Economics and Business, University of Guelph, Guelph, ON N1G 2W1. 3 Research associate, Ridgetown College Campus, University of Guelph, Ridgetown, ON N0P 2C0. 4 Associate professor, Department of Agronomy, Purdue Unive...