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Свинец в почвах и растениях европейского северо-востока России
Table 1 - Concentration of mobile lead compounds in soils of industrial areas
Area | Average Pb concentration (variation), mg/kg dry weight |
Territory of non-ferrous metal processing plant | 2.22 (1.0-6.6) |
Territory of municipal wastewater treatment plants | 1.24 (0.26-2.1) |
Background territories | 1.86 |
Maximum permitted concentration | 6.0 |