Proficiency testing (PT): Metals in sewage sludge

Proficiency testing (PT): Metals in sewage sludge

Distribution Schedule 2019



Round Registration
deadline		 Despatch
samples		 Reporting
deadline		 Final Report
March 2019 08/02/2019 25/02/2019 22/03/2019 08/04/2019
Dispatch Samples: 25/02/2019
October 2019 20/09/2019 07/10/2019 31/10/2019 18/11/2019
Registration deadline: 20/09/2019

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.

Metals

  • 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)
  • Manganese (Mn)
    (200 - 2000 mg/Kg)
  • Mercury (Hg)
    (5 - 50 mg/Kg)
  • Molybdenum (Mo)
    (5 - 50 mg/Kg)
  • Nickel (Ni)
    (50 - 500 mg/Kg)
  • Lead (Pb)
    (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.

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 the result of a replica.

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 2019


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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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