BS ISO 24095:2009

1   Scope This International Standard gives guidelines for the quality assurance of measurements of respirable crystalline silica in air using direct on-filter or indirect X-ray diffraction and infrared analysis methods. The scope of this International Standard includes the following crystalline silica polymorphs: quartz, cristobalite, and tridymite. These guidelines are also relevant to the analysis of filters obtained from dustiness measurements in accordance with EN 15051 [6] .