Iso 85023 Dust Level Chart Pdf Updated [repack] Jun 2026

ISO 8502-3:2017 was confirmed on June 30, 2022 (designated ISO 8502-3:2017 R2022), confirming its continued relevance and validity. The standard comprises 8 pages and supersedes the earlier 1992 edition. No revision has been published beyond the 2017 edition as of 2026, though the standard remains under the purview of ISO/TC 35/SC 12 (Surface cleanliness).

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Particles are classified by their diameter using a 10x magnifier: Description Typical Diameter No particles visible Visible under 10x magnification (not visible to naked eye) Just visible with normal vision Clearly visible with normal vision Clearly visible Clearly visible Assessment Procedure Preparation ISO 8502-3:2017 was confirmed on June 30, 2022

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ISO 8502-3 describes a method for assessing the quantity and size of dust particles on blast-cleaned steel surfaces. The procedure uses a specific type of pressure-sensitive adhesive tape to lift dust from the surface. This tape is then applied to a white or black display board to be evaluated visually against a comparator chart. The ISO 8502-3 Dust Level Chart (Pictorial Rating)

Users often upload scanned versions of the inspector's chart.

The potential accumulation of dust is particularly critical on horizontal surfaces, the interior of pipes, and inside structural cavities, where special inspections must be carried out to ensure adequate cleaning before painting.