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Silica | Toxic Substances | Toxic Substance Portal | ATSDR Summary: Silica is another name for the chemical compound composed of silicon and oxygen with the chemical formula SiO2, or silicon dioxide There are many forms of silica All silica forms are identical in chemical composition, but have different atom arrangements Silica compounds can be divided into two groups, crystalline (or c-silica) and amorphous silica (a-silica or non-crystalline
Cosmetic Powders: On the Face of It | Poison Control Face makeup is loose or pressed powder containing silica, talc, and other ingredients Blush and bronzer contain pigments to make skin look flushed or tan Face powders are usually safe but can be irritating for people with sensitive skin Loose powder poses a risk of lung injury if inhaled
Silicosis - Wikipedia Silicosis is a form of occupational lung disease caused by inhalation of crystalline silica dust It is marked by inflammation and scarring in the form of nodular lesions in the upper lobes of the lungs It is a type of pneumoconiosis [4] Silicosis, particularly the acute form, is characterized by shortness of breath, cough, fever, and cyanosis (bluish skin) It may often be misdiagnosed as
ATSDR Silica Tox Profile As part of the biogeochemical silica cycle, silica deposits settle out of water into sediment Human exposure to c-silica is known to occur in industrial and occupational settings (NTP 2014)
Silica | Toxicological Profile | ATSDR Toxicological Profile Information The ATSDR toxicological profile succinctly characterizes the toxicology and adverse health effects information for the toxic substance described therein Each peer-reviewed profile identifies and reviews the key literature that describes a substance's toxicological properties A useful two page information sheet, the ToxFAQs™, is also available
Why is Silica Hazardous? - Silica Safe Silica, often referred to as quartz, is a very common mineral It is found in many materials common on construction and oil gas sites, including soil, sand, concrete, masonry, rock, granite, and landscaping materials
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