Proficiency testing (PT): Metals in sewage sludge


Distribution Schedule 2022



Round Registration
deadline
Despatch
samples
Reporting
deadline
Final Report

Round March 2022 11/02/2022 28/02/2022 25/03/2022 11/04/2022
Final Reports in the Customer Area

Round October 2022 30/09/2022 17/10/2022 11/11/2022 28/11/2022
Registration Deadline: 30/09/2022
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Scope of the Interlaboratory Proficiency Testing

The scope of this proficiency testing is the evaluation of the performance of laboratories for the determination of the metals in sewage sludge and similar matrices.

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

Parameters

  • Aluminum (Al)
    (1 - 25 g/Kg)
  • Arsenic (As)
    (50 - 500 mg/Kg)
  • Cadmium (Cd)
    (5 - 50 mg/Kg)
  • Chromium (Cr)
    (50 - 500 mg/Kg)
  • Cobalt (Co)
    (50 - 500 mg/Kg)
  • Copper (Cu)
    (50 - 500 mg/Kg)
  • Iron (Fe)
    (5 - 50 g/Kg)
  • Lead (Pb)
    (50 - 500 mg/Kg)
  • Manganese (Mn)
    (200 - 2000 mg/Kg)
  • Mercury (Hg)
    (5 - 50 mg/Kg)
  • Molybdenum (Mo)
    (5 - 50 mg/Kg)
  • Nickel (Ni)
    (50 - 500 mg/Kg)
  • Selenium (Se)
    (10 - 100 mg/Kg)
  • Vanadium (V)
    (50 - 500 mg/Kg)
  • Zinc (Zn)
    (100 - 1000 mg/Kg)

Proficiency test item

  • 1 x 20g 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

The test sample should be analysed under the same conditions and with the same procedures used for the routine samples in the laboratory including the quality control procedures.

For each measurand shall be reported one result.

ADDITIONAL RESULTS: Each participant can submit up to 5 results* for the same analyte, thus obtaining an evaluation of laboratory performance for different operators, instruments and/or test methods (e.g. operator 1/operator 2, instrument A/instrument B, etc..).

  • 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).

    REQUEST A QUOTE 2022 (PDF)

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    *: Only one result submitted by the laboratory will be included in the statistical treatment of data for the calculation of the Assigned Value and statistics of data of the analyte, to avoid that a single laboratory has a different statistical weight, depending on the number of its submitted results. The additional results are evaluated by assigning z-score values, using the Assigned Value and the Standard Deviation for Proficiency Assessment obtained from statistical treatment.

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