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NordVal validation protocol

Microbiological analysis:

Link to the NordVal International validation protocol No. 1 for microbiological methods (June 2016, edited September 2017 and September 2018) (harmonises with ISO 16140-2:2016) is here

Link to the NordVal International validation protocol No. 1b  for microbiological methods – confirmation and typing methods (January 2019) (harmonises with ISO 16140-6:2016) is here

For reviewers: evaluation forms for qualitative and quantitative microbiological methods. 


Chemical analysis:

Link to the NordVal International validation protocol No. 2 for chemical methods (September 2017, edited September 2018) is here



NordVal International

NordVal International is an independent third party that evaluates the quality characteristics and applications of alternative chemical and microbiological methods in the analysis of food, water, feed and environmental samples.

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NMKL offers different subscriptions; procedures and methods can be downloaded from this website or, upon request, be forwarded as PDF-files by email. NMKL subscriptions are paid by bank transfer on the basis of an invoice.




The methods are in either Danish, Swedish or Norwegian combined with English. Most methods are also available in a Finnish/English version. All methods are in the PDF format and can be downloaded or forwarded by email. 


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Contact information

NMKL – NordVal International
c/o Institute of Marine Research
P.O. box 1870 Nordnes
5817 Bergen, Norway

Contact us
by telephone: +47 9026 3022
or by e-mail: post@NMKL.org