On June 11th, 2025, the NF VALIDATION brand was awarded to 14 water microbiology analysis methods. The kits for detection and quantification of Legionella by PCR are validated according to the protocols of standards NF T90-471 and ISO/TS 12869. Other methods are validated in accordance with the technical protocol drawn up by AFNOR Certification, which involves comparing the performance of an alternative method with that of a reference method.
Following the positive opinion of the Water Technical Board of the NF VALIDATION brand on June 11, 2025, AFNOR Certification has approved:
The renewal of the alternative methods Enterolert-DW / Quanti-Tray® or Quanti-Tray® 2000 and Colilert-18®/Quanti-Tray® from IDEXX Laboratories.
Modification of BIO-RAD’s iQ-Check® Legionella pneumophila and iQ-Check® Legionella spp. methods. The latter allows the use of the new CFX Duet Real-Time PCR System thermal cycler
The next meeting of the Water Technical Board will take place on Wednesday, September 24th, 2025.