ST-COD at low contents in waste waters

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Proficiency test - chemistry

Description of the programme

These interlaboratory comparisons (AGLAE's programme ‘2F’) in waste waters are provided in the frame of:

  • accreditation scopes related to physico-chemical analyses in waters (check AGLAE's accreditation - Cofrac No. 1-1664)
  • approvals issued by Departments of environment


This proficiency test  completes the test Indicators in waste waters.

List of parameters

Détail des paramètres mis en oeuvre

CL-, ST-COD (chemical oxygen demand - sealed tube method)


The  ST-COD will be low and between 10 mg and 30 mg of O2/L.