A site is contaminated when -due to previous or ongoing human activities- an alteration of the qualitative characteristics of the soil has been ascertained and poses a risk to human health. Mérieux NutriSciences performs chemical and biological analysis of organic and inorganic compounds including pesticides, heavy metals (such as zinc, cadmium, chromium, etc.), BTEX, PAH, phenols, PCDD/PCDF and PCB, as well as granulometric curves and soil geotechnical classification. For example, analyzes are often carried out in soils that housed industrial sites to assess their levels of contamination and to establish the reclamation plan.

Mérieux NutriSciences - Suolo contaminato

In some cases, during site-specific risk analyzes, some physical determinations, such as geotechnical determinations, may also help. Mérieux NutriSciences performs the following geotechnical tests according to UNI CEN ISO/TS 17892:

  • Water content (W)
  • Attemberg limits
  • retained fraction at 0.4 mm
  • liquid limit (wL), plastic limit (wP), plasticity index (PI), liquidity index (LI), consistency index (CI)
  • relationship between water content and penetration of the conical tip
  • density in the anhydrous state (core drilling), density in the wet state (core drilling), mass of the granules (pycnometer)
  •  granulometric distribution (curve) and effective porosity

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