Violent crimes include murder, rape, robbery, and aggravated assault. Utah's violent crime rate in 2005 was 227, a 3.7% decrease compared with 2004. Since its peak in 1997, Utah's violent crime rate has generally been decreasing.
Extraction. Mercury is extracted from cinnabar by a simple process of heating and collecting the vapors. In conventional factories, the rock is ground up into a fine powder, which is then heated.The sulfur in cinnabar reacts with the oxygen in the air forming sulfur dioxide.ercury is extracted from cinnabar by a simple process of heating and collecting the vapors. In conventional factories, the rock is ground up into a fine powder, which is then heated.
Small-scale gold refining and processing is a major cause of air pollution from mercury. EPA helped design a low-cost mercury capture system that is simple to build and install, using locally available materials, and that reduces mercury emissions by at least 80%. View a larger version of this video and read more information about reducing mercury pollution from artisanal and small-scale gold mining.