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Validation protocols

Microbiological analysis

1. NordVal International protocol for validation of alternative (proprietary) microbiological methods against a reference method

The protocol harmonises with ISO 16140-2:2016 and can be downloaded here:

Appendices to NordVal Protocol 1 can be downloaded here:

Water samples

We offer reviewing alternative methods for quantitative analyses in microbiology of drinking water samples according to EN ISO 17994 as required for alternative methods by (EU) 2020/2184.

1B. NordVal International protocol for validation of alternative (proprietary) methods for microbiological confirmation and typing procedures

The protocol harmonises with ISO/DIS 16140-6 2017-12-15 and can be downloaded here:

Evaluation forms for reviewers

Evaluation forms for validation of alternative microbiological methods can be downloaded here:

Chemical analysis

2. NordVal International protocol for validation of alternative (proprietary) chemical methods

The protocol can be downloaded here (under revision and expected to be finalized end of 2023):