silicon dioxide

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Related to Crystalline silica: Amorphous silica

silicon

 [sil´ĭ-kon]
a chemical element, atomic number 14, atomic weight 28.086, symbol Si. (See Appendix 6.)
silicon dioxide silica.

sil·i·ca

(sil'i-kă),
The chief constituent of sand, hence of glass.
[Mod. L. fr. L. silex (silic-), flint]

silicon dioxide

n.
Silica.

sil·i·ca

(sil'i-kă)
The chief constituent of sand, hence of glass.
Synonym(s): silicon dioxide.
[Mod. L. fr. L. silex (silic-), flint]

sil·i·ca

(sil'i-kă)
The chief constituent of sand, hence of glass.
Synonym(s): silicon dioxide.
[Mod. L. fr. L. silex (silic-), flint]
References in periodicals archive ?
Whether OSHA's determination to set a PEL for respirable crystalline silica of 50 [micro]g/[m.
Inhalation of respirable crystalline silica has been linked to silicosis, a lung disease that results in fibrous or scar tissue formations in the lungs, which reduce the lung's ability to work to extract oxygen from the air.
Respiratory protection is considered supplementary to dust source controls at the workplace; NIOSH has recommended that silica sand or other substances containing more than 1% crystalline silica should not be used as blasting abrasives and that less hazardous materials should be substituted.
Stain proof grout: This product contains crystalline silica.
OSHA has determined that employees exposed to respirable crystalline silica at the previous permissible exposure limits "face a significant risk of material impairment to their health.
Crystalline silica (quartz) is a particularly important component of the [PM.
These industries and occupations are well-known for their association with exposure to crystalline silica (1).
Crystalline silica is a basic component of soil, sand and granite.
Industrial illness including asbestos exposure, crystalline silica exposure, mesothelioma, lung cancer, er, er respiratory disease and deafness.
Dusts such as crystalline silica, something that is found in many construction materials, is second only to asbestos when it comes to causes of occupational cancer.
The filler, WhiteLite Alumino Silicate, reportedly is free of crystalline silica, has 100% recycled content, and offers improved scratch resistance to automotive plastics such as nylon and PP.
The Occupational Safety and Health Administration recently sought comment on proposed standards to reduce occupational exposure to respirable crystalline silica.