Technical Note 1 - Instructions for sampling (External samplers) Download
This technical note is intended to assist external samplers. The samplers acting on behalf of the applicant in context with the NorGeoSpec recertification process.
Technical Note 2 - Decimal Places (used on NorGeoSpec certificates) Download
This technical note deals with the decimal places indicated in the NorGeoSpec certificate and the rounding rules applied.
Technical Note 3 - Examples for definition of specification for geotextile filter in drainage systems Download
This technical note presents examples illustrating the specification criteria for geotextile filters used in various drainage systems, in accordance with NorGeoSpec, Rev. 02, Part 2 - Product Specification (PS), Annex I.