Iso 85023 Dust Level Chart Pdf Updated Jun 2026

The most current version of the standard is ISO 8502-3:2017 , which was last reviewed and confirmed in 2022 and remains the active version for 2026. It defines a qualitative "pressure-sensitive tape method" to assess dust quantity and size on blast-cleaned steel. ISO 8502-3 Dust Level Assessment

In addition to quantity, the standard categorizes the size of the particles found: Particles not visible under 10x magnification. iso 85023 dust level chart pdf updated

“The particle density,” Jan said. “The old chart showed Size 3 as scattered particles under 10x magnification. The new update—ISO 85023-3:2025—has revised the micrograph. Size 3 now shows clusters . Which means our current ‘acceptable’ threshold for turbine tower internals is now a ‘reject’.” The most current version of the standard is

Industrial inspectors often use standardized reporting templates to document these results. You can find current resources and PDF examples on platforms like (e.g., ISO 8502-3 Dust Level Chart PDF ) or via official standards bodies like the ISO Store for the ISO 8502-3:2017 full document. INTERNATIONAL STANDARD ISO 8502-3 “The particle density,” Jan said