Preparation of steel substrates before application of paints and related
products - Tests for the assessment of surface cleanliness - Part 5:
Measurement of chloride on steel surfaces prepared for painting (ion
detection tube method) (ISO 8502-5:2025)
Road and airfield surface characteristics - Part 9: Procedure for
determining the skid resistance of a pavement surface by measurement of
the longitudinal friction coefficient (LFCD): DWWNL skid resistance trailer