Proficiency testing programs SOILS – FERTILIZERS – SLUDGES – SEDIMENTS
Physico-chemical, microbiological & contaminants analyses
| Programs | Matrices | Parameters | Accreditation | Rounds / year | Schedule |
|---|---|---|---|---|---|
| 15 – Soils | Soils | Physical, chemical and granulometrical analyses | accredited* | 10 | Download |
| 15a – Fresh soils | Soils | Biologic activity of the soil | accredited* | 2 | Download |
| 24 – Mineral fertilizers | Mineral fertilizers | Physico-chemical properties (e.g. specific gravity, pH, moisture content, granulometry,bulk density without compaction), nitrogen forms (e.g. NHââș-N, NOââ»-N, urea-N, total N), total and water-soluble nutrients (e.g. PâOâ , KâO, SOâ, CaO, Fe, Mn, Cu, Zn, Mo, B), chelated micronutrients (Fe, Mn, Cu, Zn), and trace metals (e.g. As, Cd, Cr, Co, Hg, Ni, Pb, Se). P2O5 soluble in ammonium citrate (Peterman), P2O5 soluble in citric acid, P2O5 soluble in water and neutral ammonium citrate, phosphate solubility in formic acid), carbonic solubility, Organic and carbon parameters (e.g. organic carbon, total carbon, combustible components, Sulphur and sulphate forms (e.g. total sulphates, soluble sulphates). | Â accredited* | 8 | Download |
| 24a – Organo-mineral fertilizers | Organo-mineral fertilizer NPK | Includes moisture and dry matter content, total and water-soluble nutrients (e.g. N forms, PâOâ , KâO, MgO, CaO, SOâ, B), citrate-soluble P, trace metals (e.g. As, Cd, Cr, Co, Cu, Mo, Hg, Fe, Ni, Pb, Mn, Se, Zn), and particle size distribution (passing 8.0âŻmm, 4.0âŻmm, 2.0âŻmm sieves), organic carbon, S (Sulfure), chlorine from chlorides. |  accredited* | 1 | Download |
| 38a – Sludges, sediments, soils – Physico chemistry | Sludges, Sediments, soils | Physical analyses, metals | accredited* | 6 | Download |
| 38b – Sludges, sediments, soils – Micropollutants | Sludges, Sediments, soils | PCB, PAH, insecticides, PFAS, other parameters | accredited* | 6 | Download |
| 45 – Organic fertilizers | Organic fertilizers | Includes density, dry matter, organic matter (e.g. TOC, fibre, lignin, cellulose), pH, EC, N forms (NHââș, NOââ», total N), major nutrients (e.g. PâOâ , KâO, CaO, MgO, NaâO, SOâ), trace elements (e.g. Cd, Cr, Cr(VI), Cu, Ni, Pb, Hg, Zn, As, Se, Co, Fe, Mn, Mo), OM stability indicators (e.g. respirometry, C mineralization, BSI), and particle size fractions, organic carbon, total carbon. | Â accredited* | 5 | Download |
| 45a – Compost – Hg, PAH and PCB | Household waste compost | Includes heavy metals and priority organic pollutants: mercury, chromium VI, polycyclic aromatic hydrocarbons (e.g. benzo[a]pyrene, fluoranthene, phenanthrene, naphthalene, acenaphthene, acenaphthylene, anthracene, benzo[a]anthracene, benzo[b]fluoranthene, benzo[ghi]perylene, benzo[k]fluoranthene, chrysene, dibenzo[ah]anthracene, fluorene, indeno[1,2,3-cd]pyrene, 2-methylfluoranthene, 2-methylnaphthalene, pyrene), and PCBs (e.g. PCB 28 to PCB 180). | Â accredited* | 1 | Download |
| 91a – Fertilizers microbiology: E. coli, Enterococci, Clostridium | Natural compost (plant origin) | Enumeration:
E. coli, Enterococci, Clostridium, Staphylococcus aureus, |
 accredited* | 2 | Download |
| 91b – Fertilizers microbiology: Salmonella | Natural compost (plant origin) | Salmonella (detected / not detected) | Â accredited* | 2 | Download |
| 91c – Fertilizers microbiology: Listeria | Natural compost (plant origin) | Listeria (detected / not detected) | Â accredited* | 2 | Download |
* To know the matrices and parameters under accreditation, download the detailed scope of accreditation