NF VALIDATION (Water): the news of February 2024 !

As of February 13, 2024, the NF VALIDATION mark was assigned to 14 methods of analysis in water microbiology. Legionella PCR detection and quantification kits are validated according to NF T90-471 and ISO/TS 12869 protocols. The other methods are validated according to the technical protocol established by AFNOR Certification, consisting of a comparison of the performance of an alternative method to that of a reference method.

On the positive opinion of the Water Technical Bureau of the mark NF VALIDATION of 6 February 2024, AFNOR Certification approved:

  • Renewal of the following methods:

o Pseudalert®/Quanti-Tray® and Colilert-18®/Quanti-Tray® or Quanti-Tray® 2000 from IDEXX Laboratories.

o RAPID’P. aeruginosa of the company BIO-RAD.


The next meeting of the Water Technical Board will take place in 2024.

A date will be announced at a later date.