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The biohazard symbol is used in the labeling of biological materials that carry a significant health risk, including viral and bacteriological samples, including infected dressings and used hypodermic needles (see sharps waste).
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
The following other wikis use this file: Usage on ar.wikipedia.org نفايات طبية; Usage on bg.wikipedia.org Етиология; Usage on bn.wikipedia.org
The symbol for biohazard substances (without the black-yellow triangle.) Date: 20 May 2008: Source: Modified from Image:Biohazard symbol.svg: Author: Original by Silsor; Colour change by Lokal_Profil; Permission (Reusing this file) Same as original
Description: The symbol for biohazard substances (without the black-yellow triangle.) Source: old version of Image:Biohazard symbol.svg; Author: Silsor; Other versions: Date: 29 April 2006 (original upload date) Source: No machine-readable source provided. Own work assumed (based on copyright claims). Author: No machine-readable author provided.
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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.
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