Research Article
Using Lead Concentrations and Stable Lead Isotope Ratios to Identify Contamination Events in Alluvial Soils
Table 1
Description of sampling sites and some characteristics of soil profiles.
| | Location/Site/soil profile | Massawippi MAS-13/MAS-13 | Windsor STE-1/STE-1 | Windsor STE-1/STE-1-2 | Richmond STO-6/STO-6 | Richmond RIC-9/RIC-9 |
| | UTM (NAD-83) | 273294 5022783 | 732928 5051683 | 732929 5051682 | 724376 5057125 | 724175 5057482 | | Soil type | Cumulic Regosol (CU.R) | Cumulic Regosol (CU.R) | Cumulic Regosol (CU.R) | Cumulic Regosol (CU.R) | Regosol (CU.) | | Textural class (see [24]) | Sandy loam | Loam | Loam/sandy loam | Sandy loam | Loamy sand | | Soil pH 0.01 M CaCl2 | 3.45–6.09 | 5.98–7.09 | 5.32–5.92 | 4.28–5.03 | 4.71–5.38 | | C. org. (%) | 0.12–1.02 | 0.39–0.68 | 0.64–0.91 | 0.36–1.48 | 1.12–1.44 | | Depth of hydrocarbon layer (cm) | 220 | 180 | 32 | 60 | No trace of hydrocarbons | | Hydrocarbon C10–C50 concentrations (mg kg−1) | 60 | 660 | 340 | <80 | — | | Hydrocarbon layer color (Munsell Chart) | 10YR 4.5/2 | 10YR 2.5/2 | 10YR 2.5/2 | 10YR 5/3 | 10YR 3/3 |
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