Iso 85023 Dust Level Chart Pdf Updated Verified Jun 2026

For legal QA/QC documentation, purchase the official PDF. Do not rely on third-party screenshots.

CLASS 3 – FAIL

Very heavy dust level; the tape surface is nearly or completely covered by dust. 2. Dust Size Class (Class 1 to 5) iso 85023 dust level chart pdf updated

Always perform a secondary ISO 8502-3 tape test after dust remediation to verify that the surface now meets the contractually mandated threshold. For legal QA/QC documentation, purchase the official PDF

: Particles visible only under 10x magnification (typically below 50 µm). For legal QA/QC documentation