Industrial Hygiene - Crystalline Silica Analysis
Silicon dioxide (SiO2), or silica, is one of the most abundant components of the earth's crust and can be found in a variety of applications, ranging from glass to concrete. Fine particles of crystalline silica, also known as respirable crystalline silica (RCS), can cause silicosis, bronchitis, or even cancer. In most respects, silica is harmless. However, airborne particles of crystalline silica smaller than 10 micrometers are considered respirable and are potentially
hazardous.

The X-ray analysis division at RJ Lee Group handles crystalline silica analysis with two techniques: air silica/gravimetric filter analysis and bulk X-ray diffraction (XRD). X-ray diffraction is traditionally the most robust technique for the analysis and identification of crystalline phases and is one of the approved NIOSH methods for the analysis and determination of respirable-sized crystalline silica. Our XRD laboratory has over 15 years experience in crystalline silica analyses of both bulk materials and air filters.

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