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Registers collected 2026-08-22.See collection dates

ISO 11905-1 Accredited Testing Labs Worldwide

101 accredited laboratories in 5 countries hold ISO 11905-1 in their ISO/IEC 17025 scope. Primary accreditors include Deutsche Akkreditierungsstelle, Polish Centre for Accreditation. In the register, ISO 11905-1 scope entries most often cover Chemischer Sauerstoffbedarf (Csb), Biologischer Sauerstoffbedarf (Bsb 5), Gesamter Gebundener Stickstoff in Water, Effluent, Waste water.

Total labs
101
Countries
5
Top matrix
Water
61 labs

Available in 5 Countries

Germany
93 labs
Poland
3 labs
Italy
2 labs
Sweden
2 labs
Finland
1 lab

Top matrices for ISO 11905-1

Water
61 labs
Effluent
22 labs
Waste water
4 labs
Drinking water
3 labs
Sewage
2 labs
Soil
1 lab
Sediment
1 lab

Top analytes for ISO 11905-1

  • Chemischer Sauerstoffbedarf (Csb) (18)
  • Biologischer Sauerstoffbedarf (Bsb 5) (15)
  • Gesamter Gebundener Stickstoff (10)
  • Biologischer Sauerstoffbedarf (Bsb5) (6)
  • Biologischer Sauerstoffbedarf (6)
  • Chemical Oxygen Demand (Cod) (5)
  • Abfiltrierbare Stoffe (5)
  • Chemical Oxygen Demand (3)

Sample labs

AWA-Institut Gesellschaft für angewandte Wasserchemie mbH
Pelm, DE

ISO 11905-1: 1998-08 (H 36) Adsorbierbare organische Halogene (AOX) DIN EN ISO 9562: 2005-02 (H 14) P P P

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