Interlaboratory proficiency testing organized in accordance with the standard ISO/IEC 17043:2010 - Conformity assessment — General requirements for proficiency testing.

Scope of the Interlaboratory Proficiency Testing
The scope of this proficiency testing is to assess the analytical performance of testing laboratories in the execution of the leaching test according to standard EN 12457-2 on sewage sludge, solid waste and similar matrices.

Parameters
- Antimony (Sb)
- Arsenic (As)
- Barium (Ba)
- Cadmium (Cd)
- Chromium total (Cr)
- Copper (Cu)
- Lead (Pb)
- Mercury (Hg)
- Molybdenum (Mo)
- Nickel (Ni)
- Selenium (Se)
- Zinc (Zn)
- Chemical Oxygen Demand (COD)
- Chloride
- Conductivity (20 oC)
- Dissolved Organic Carbon (DOC)
- Dry mass at 105 oC *
- Nitrate
- pH (25 oC)
- Sulfate
- Total Dissolved Solids (TDS)
*: Dry mass at 105 oC of the “as-received” test sample.

Proficiency test item
- 1 x 150g of sewage sludge ready to use.
ADDITIONAL TEST SAMPLES: For costs and availability of additional test samples contact Qualitycheck (e-mail sales@qualitychecksrl.com)

ANALYSIS
For each measurand, one measurement result shall be reported.
Request a quote
Download and complete the Application Form, selecting for each matrix, the measurands and the period in which you want to participate. Send it by email (sales@qualitychecksrl.com) or by FAX (0039 0656562874).