Proficiency Testing and other Comparisons for Laboratories

TESTING - Projects for Proficiency Testing (PT) and Interlaboratory Comparisons (ILC)
CALIBRATION - Projects for Proficiency Testing (PT) and Interlaboratory Comparisons (ILC)

Interlaboratory comparison (ILC) and proficiency testing (PT) represent significant elements in the integrated evaluation of the technical competence of laboratories.
SNAS considers the participation of laboratories in ILC and PT projects as an important means of verification of the fulfilment of accreditation criteria of accredited laboratories.

In connection with ILC and PT SNAS has issued several documents, such as RR-P23, MSA-L/08 a MSA-L/02 to check activities in this field.

SNAS requires laboratories to take an active part in ILC and PT projects organised in Slovakia or on an international level by EA, or by other accreditation systems in compliance with the applicable EA regulations.

In cases where proficiency testing is impractical, SNAS has accepted rules for ensuring the acceptable level of measurement traceability as declared in MSA-L/08.

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The 6th edition of International Proficiency Testing Conference will be held on (03)04th -06th October, 2017 in Cuj - Napoca (Romania).
Info: http://www.pt-conf.org


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Current International Projects for Proficiency Testing (PT) and Interlaboratory Comparisons(ILC)


TESTING - Projects for Proficiency Testing (PT) and Interlaboratory Comparisons (ILC):


NEW ! Proficiency test for analysis of 222radon in drinking water
  • Organizer: The Finnish proficiency test provider (Proftest SYKE) and Radiation and Nuclear Safety Authority (STUK)
  • Info: Proficiency test

NEW ! CompaLab proficiency tests in the field of metallurgy and steels for concrete
  • Organizer: CompaLab
  • PT: chemical analysis on non alloyed, alloyed and stainless steels, on copper alloys and ferro alloys; metallographic tests (size of grain, content in non metallic inclusions) on steels and copper alloys; intergranular corrosion tests on stainless steels; roughness of a metallic surface; gloss and colorimetry of surfaces; tests of non-organic (zinc coating) and organic coatings (paints): pull-off test, cross-cut test, salt spray corrosion test, SO2 test, resistance to humidity, to immersion in water and to UV exposure; Charpy test at room and low temperature; Brinell, Vickers, Rockwell hardness tests, including low loading Vickers tests; tensile tests at room and high temperature, on sample to be machined, on flat steel, on stainless steel, on pipe; tests of concrete reinforcing steels (bars and welded fabrics), including fatigue testing; tests of concrete prestressing steels, including stress corrosion, relaxation and deflected tension

  • Info: Proficiency testing programs


NEW ! PT in the field of Toxicology - APLAC T086: Metals (arsenic, cadmium, chromium, lead, and selenium) in Biological matrices (Urine, Blood, Hair)
  • Organizer: The Centre de toxicologie du Québec (CTQ) of the Institut national de santé publique du Québec (INSPQ)
  • Information: PT'


NEW! Intercomparison of measurement of sound absorption coefficient and impedance using impedance tubes according to the standard ISO 10534-2 (Part 2)
  • Organizer: RPS-Qualitas
  • Programme: PT'
  • Registration Form: PT'
  • Technical Pre-registration Form: PT'


NEW ! PT for CHC and BTEX

NEW ! PT for pesticides and metabolites in accordance with the Drinking Water Ordinance
  • Organizer: Umweltbundesamt GmbH
  • Program: PT'


NEW ! Proficiency testing schemes in the field of MICROBIOLOGY
  • Organizer: DRRR
  • Program for 2016: Program


NEW ! Program to conduct technical projects for interlaboratory comparisons in the period 2015 - 2019

NEW ! Programme ILC and PT for 2016 - from accredited PT provider

NEW ! Proficiency testing schemes - VÚVH

NEW ! Proficiency testing schemes - in the field Meat products
  • Organizer: DRRR

  • Brochure: DRRR'

  • Info: http://www.DRRR.de


  • NEW !

    • Organizer: University of Natural Resources and Life Sciences, Vienna, Department of Agrobiotechnology, IFA-Tulln, Austria

    • Letter: IFA-Tulln
    • Price list 2017: IFA-Tulln

    • Info: http://www.ifatest.at


    NEW ! Proficiency Testing programs and external reference materials for laboratories concerned by quality control

    • Organizer: B.I.P.E.A. Proficiency Testing provider, Paris - FRANCE

    • Brochure: B.I.P.E.A.

    • Info: http://www.bipea.org


    Proficiency testing program in in the field of microbiological analysis

    • Organizer: DRRR (Deutsches Referenzbüro für Lebensmittel-Ringversuche und Referenzmaterialien GmbH)

    • Info: http://www.drrr.de/en


    Environmental proficiency testing schemes

    APLAC T098: Determination of Migration of Heavy Metals in Toys Coating

    • Organizer: Inspection and Quarantine Technology Center (IQTC) and China National Accreditation Service for Conformity Assessment (CNAS) under the auspices of APLAC

    • Info: APLAC_T098'


    Analysis of uranium in drinking water in April 2015

    Programme ILC and PT for 2015 - in the field of building industry

    APLAC T093: Toxic elements in Cabbage and APLAC T094: Pesticides residue in Cabbage

    • Organizer: APLAC

    • Info: APLAC_T093_T094'


    Proficiency test on the determination of PCDD/Fs and PCBs in Cod Liver and Fish Liver Oil

    Proficiency testing schemes - Mycotoxins

    • Organizer: DRRR (Deutsches Referenzbüro für Lebensmittel-Ringversuche und Referenzmaterialien GmbH)

    • Info: Proficiency

    • Info: http://www.DRRR.de


    Proficiency testings for the construction sector

    • Organizer: DRRR (Deutsches Referenzbüro für Lebensmittel-Ringversuche und Referenzmaterialien GmbH)

    • Info: Proficiency

    • Info: http://www.DRRR.de


    Proficiency testings & reference materials cosmetic (chemical – physical analysis)

    • Organizer: DRRR (Deutsches Referenzbüro für Lebensmittel-Ringversuche und Referenzmaterialien GmbH)

    • Info: Proficiency

    • Info: http://www.DRRR.de


    Microbiology proficiency testing schemes

    • Organizer: DRRR (Deutsches Referenzbüro für Lebensmittel-Ringversuche und Referenzmaterialien GmbH)

    • Info: special

    • Info: http://www.DRRR.de



    PT schemes from Professional PT providers

    • Info: PT


    Institute for Interlaboratory Studies (iis)
    PoZZ pri SZK FAST VUT
    • PROFICIENCY TESTING PROGRAMS 2014PROFICIENCY
    • PROFICIENCY TESTING PROGRAMS 2015PROFICIENCY


    ILT – Interlaboratory Test S.A.
    • Schedule 2012-2015:



    ILT- the Proficiency Testing on “Tensile strength and elongation at break test of PVC cables according to standards IEC 60227-2 and IEC 60811-1-1, chapter 9 (code ILT-S-03)
    • Organizer: ILT – Interlaboratory Test

    • Info: For more information about the Proficiency Testing on “Tensile strength and elongation at break test of PVC cables according to standards IEC 60227-2 and IEC 60811-1-1, chapter 9 (code ILT-S-03) please visit http://www.PTinterlaboratory.com


    IFA- Test Systems Interlaboratory Comparisons for Water Analysis
    PT Programs
    • Organizer: LGC, Quality Management (QM) a Aquacheck
    • Information: Info

    Important links:

    European PT Information System - EPTIS
    Institute for Interlaboratory Studies - Program of PT
    QM - Info
    Aquacheck - Info
    LGC - Info
    NMi - Info - Program of PT in the field of water & soil analysis

    University of Natural Resources and Applied Life Sciences, Vienna - IFA test, BOKU - Proficiency Testing Scheme for Water Analysis

    Analytical Products Group, Inc. - Info - Program of PT in the field of wastewater analysis, drinking water analysis, soil and hazardous waste

    Calibrum - Info - ILC for testing laboratories in building industry


    CALIBRATION - Projects for Proficiency Testing (PT) and Interlaboratory Comparisons (ILC):


    Program ILC of Slovak Legal Metrology (accredited PT Provider)
    Program ILC of Czech Legal Metrology (accredited PT Provider)
    NMi (accredited PT Provider) - http://www.nmi.nl
    ATG Ltd. (accredited PT Provider for NDT laboratories) - http://www.atg.cz

    Important links:

    European PT Information System - EPTIS
    EA Policy for Participation in National and International Proficiency Testing Activities - EA-2/10