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An investigation on the sediment composition and grain size was carried out along the Bormida river (Piedmont, Northern Italy). The samples were taken both in the riverbed and on its banks. Multivariate statistical exploratory methods permitted to identify possible sources of primary pollution. In particular, principal component analysis (PCA) showed that there are probably at least three anthropogenic...
This work describes a procedure, intended for use during the characterization of contaminated sites, that employs glass columns to separate substantial amounts (several grams) of the different particle size fractions in ground. The method was thoroughly tested and proved highly reproducible, as indicated by the very low CV% (percentage variation coefficient) values and high homogeneity in particle-size...
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