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Hazard Warning Label Requirements for Crystalline Silica under OSHA's Hazard Communication Standard (HCS), 29 CFR 1910.1200. I recommend reviewing OSHA’s frequently asked questions on a regular basis to improve knowledge of and how to interpret the regulations.
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.
Executive summary. Crystalline silica is a mineral, and a vital ingredient in many products we use every day. It is present in our computers and phones, cars and buses, roads and railways, and throughout our homes. In everyday contexts, crystalline silica is safe.
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.
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.
1 Απρ 2016 · This section (i.e. 1926.1153) applies to all occupational exposures to respirable crystalline silica in construction work. Exception: This construction rule does not apply where employee exposures will remain below 25 μg/m3 as an 8-hour time-weighted average (TWA) under any foreseeable conditions.
5 Απρ 2016 · The Occupational Safety and Health Administration March 25 published a new rule restricting the amount of crystalline silica allowed in a workplace to a flat 50 micograms per cubic meter of air.
