crystalline silica वाक्य

उदाहरण वाक्य

1. Other studies indicate that the mode of action of crystalline silica cytotoxicity and pathogenicity lies in the ability of the mineral to induce lipid peroxidation.
2. Like most inorganic minerals formed by oxidation in the Earth's atmosphere, granite consists primarily of crystalline silica SiO 2 and alumina Al 2 O 3.
3. Crystalline silica is used in hydraulic fracturing of formations which contain tight oil and shale gas, a use which presents a health hazard to workers.
4. Frank Strauss, president of Activa Products Inc . of Marshall, Texas, told a congressional hearing that the decorative sand he markets is technically called crystalline silica.
5. The British West Indian Montserrat volcano began erupting in 1995, causing an ash fall from pyroclastic flows that contained 10 % to 24 % crystalline silica.
6. Crystalline silica is an occupational hazard for those working with stone countertops, because the process of cutting and installing the countertops creates large amounts of airborne silica.
7. Frank Strauss, president of Activa Products Inc . of Marshall, Texas, told a congressional hearing Thursday that the decorative sand he markets is technically called crystalline silica.
8. NIOSH recommended that all hydraulic fracturing sites evaluate their operations to determine the potential for worker exposure to crystalline silica and implement controls as necessary to protect workers.
9. In 2013, OSHA announced tightened restrictions on the amount of crystalline silica which could be present and required " green completion " of fracked wells to reduce exposure.
10. In 1995 the Soufriere Hills volcano on the Caribbean island of Montserrat erupted, spewing volcanic ash containing large amounts of the crystalline silica mineral cristobalite over the surrounding area.