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Registers collected 2026-08-22.See collection dates

ISO 11905 Accredited Testing Labs Worldwide

103 accredited laboratories in 6 countries hold ISO 11905 in their ISO/IEC 17025 scope. Primary accreditors include Deutsche Akkreditierungsstelle, Polish Centre for Accreditation. In the register, ISO 11905 scope entries most often cover Chemischer Sauerstoffbedarf (Csb), Biologischer Sauerstoffbedarf (Bsb 5), Gesamter Gebundener Stickstoff in Water, Effluent, Waste water.

Total labs
103
Countries
6
Top matrix
Water
61 labs

Available in 6 Countries

Germany
94 labs
Poland
3 labs
Italy
2 labs
Sweden
2 labs
Finland
1 lab
United Kingdom
1 lab

Top matrices for ISO 11905

Top analytes for ISO 11905

  • 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

Showing labs 101103 of 103. Use pagination below to see more.