WASTEWATER: MICROBIOLOGY /REF. 990014/

In the following tables you can see the dates on which the rounds take place:

 

ROUND 1 ROUND 2
WEEK 8
16th February 2026
WEEK 42
13th October 2026
Clostridium perfringens Clostridium perfringens 
Intestinal enterococci Intestinal enterococci
Escherichia coli Escherichia coli
Faecal coliforms Faecal coliforms
Salmonella spp. Salmonella spp.
Total coliforms Total coliforms

You will find detailed information in our Proficiency Testing Scheme Catalogue.

[Download Catalogue]

You can find the guideline ranges of concentration here.

For any further information, please contact ielab at: comercial@ielab.es.