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The following other wikis use this file: Usage on af.wikipedia.org Biologiese oorlogvoering; Usage on ar.wikipedia.org نفايات طبية; Usage on az.wikipedia.org
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Biological hazard symbol design: A red on white or white-coloured background is used behind a black biohazard symbol when integrated with a DANGER sign, label or paragraph. An orange on black or white-coloured background is used behind a black biohazard symbol when integrated with a WARNING sign, label or paragraph.
Alternative sign. Division 2.2 Toxic gases – Gases which: are known to be so toxic or corrosive to humans as to pose a hazard to health; or; are presumed to be toxic or corrosive to humans because they have an LC 50 value equal to or less than 5000 ml/m 3 (ppm). e.g. hydrogen cyanide. Division 2.3
The Biohazard Symbol with dimensions. All parts of the biohazard sign can be drawn with a compass and straightedge. The basic outline of the symbol is a plain trefoil, which is three circles overlapping each other equally like in a triple Venn diagram with the overlapping parts erased.
ISO 7010 states on all symbols with a first aid cross, that it "may be replaced with another element appropriate to cultural requirements". In countries with a Muslim -majority population, an appropriate symbol is the crescent .
modified symbol to remove overlap on inner arc: 16:21, 10 August 2021: 512 × 446 (1 KB) Vizorsols: adjust triangle, ISO 3864-4 coloring (RAL 1003) 01:07, 4 August 2021: 512 × 447 (1 KB) Vizorsols: removed pixel of whitespace at bottom: 01:06, 28 July 2021: 512 × 448 (1 KB) Vizorsols: Perfect symbol. There is likely room for optimization: 00: ...
The international biohazard warning symbol as it appears in the Laboratory biosafety manual (Third edition) by the World Health Organization, Geneva 2004. Note that the sickles have blunt ends, not sharp ones. (Unlike most versions on the web) Blunt probably because sharp forms tend to print lousy images when stenciled.