As a fixed offer our laboratory provides interlaboratory comparisons:

  • sampling of water, wastewater, together with physical-chemical measurements performed on-site
  • sensory testing of drinking water
  • biological and physical-chemical testing of sewage sludge
  • physical-chemical testing of surface water, drinking water, waste water, waste
  • measurements and physical-chemical testing of waste and landfill gases

We guarantee and provide:

  • competitive prices
  • real samples of the most common matrices and concentration parameters occurring in our environment; sampling by accredited methods (Accreditation Certificate AB 213)
  • synthetic samples with actual samples for testing of selected indicators
  • homogeneity and stability testing of facilities for indicators, by accredited methods
  • statistical assessment of the results carried out in accordance with the guidelines of the PN-EN ISO / IEC 17043: 2011 and ISO 13528:2005 standards
  • development of the interlaboratory reports according to the requirements of the PN-EN ISO / IEC 17043:2011 standard
  • monitoring of the quality of services
  • On request we provide additional interlaboratory comparisons Interlaboratory comparison schedule, Comparison program and Application forms are available at


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