The workplace exposure standard for RCS is exceeded when the amount of dust a worker breathes over a full shift contains more RCS than the amount shown here next to the five cent piece. However workers may still suffer adverse effects from lower levels.

The workplace exposure standard for RCS is exceeded when the amount of dust a worker breathes over a full shift contains more RCS than the amount shown here next to the five cent piece. However workers may still suffer adverse effects from lower levels.
The workplace exposure standard for RCS is exceeded when the amount of dust a worker breathes over a full shift contains more RCS than the amount shown here next to the five cent piece. However workers may still suffer adverse effects from lower levels., by Image courtesy of Workplace Health and Safety Queensland