Asme Section V Article 9 Jun 2026

Color perception testing is also required where color-coded indications are evaluated (for example, liquid penetrant testing performed alongside VT).

Modifying the pre-cleaning method from wire brushing to grinding (provided surface integrity is maintained). asme section v article 9

are requirements whose change requires requalification of the written procedure by demonstration . For example, changing the technique from direct to remote, or decreasing lighting intensity below the specified range, requires procedure requalification. Color perception testing is also required where color-coded