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11 Φεβ 2004 · Specifically, you requested a letter of interpretation addressing eliminating the need for application of the Hazard Communication Standard (HCS) to latex paints containing less than 6 percent crystalline silica.
Under the HCS, appropriate hazard warning labels are required for materials containing more than 0.1 percent crystalline silica by weight or volume which have anticipated downstream uses where crystalline silica may become airborne and present an inhalation hazard to employees working with that mater ial. This
Cutting stone, as pictured, generates dangerous crystalline silica dust that can become trapped in lung tissue and cause silicosis. This Hazard Alert focuses on countertop industry worker exposures to airborne silica dust, including from quartz in stone.
The classification decision relies upon the following main arguments: Health effects are limited to the fine fraction of crystalline silica. Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of substances and mixtures. The term ‘crystalline silica’ covers quartz, cristobalite and tridymite.
11 Φεβ 1991 · Under the HCS, appropriate hazard warning labels are required for materials containing more than 0.1 percent crystalline silica by weight or volume which have anticipated downstream uses where crystalline silica may become airborne and present an inhalation hazard to employees working with that material.
Crystalline silica and products containing it use REACH classification to categorise as STOT RE 1 and STORT RE 2 based on the level of fine fraction particles
WARNING: This product can expose you to chemicals including crystalline silica and titanium dioxide (airborne particles of respirable size), which are known to the State of California to cause cancer.
