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<br />4) Colorado Springs Area <br /> <br />,... <br />...:J <br />l\,j <br />W <br /> <br />Air quality in Colorado Springs exceeds both the carbon monoxide and <br />particulate standards. Although updated inventories continue to show that <br />the operation of vehicles is the major contributor to the problem, the <br />contribution from other activities (such as fireplaces and spaceheating) <br />also appear to be significant. <br /> <br />5) Pueblo Area <br /> <br />The Pueblo monitoring stations continue to show violations of the annual <br />particulate standard. These particulate e~issions are primarily due to the <br />operation of vehicles, but a significant percentage (about 30%) of these <br />emissions in Pueblo are fro~ major and ~inor stationary sources. <br /> <br />6) Grand Juncton Area <br /> <br />Ambient monitoring in the Grand Junction area shows that the annual total <br />suspended particulate standard continues to be violated. Emissions <br />generated by the operation of vehicles and background and fugitive dust are <br />the major sources of the problem. <br /> <br />B) Air Quality in Attainment Areas <br /> <br />In most of the rest of Colorado the air quality is good. Since the State <br />Legislature has established a policy to prevent significant deterioration of <br />air quality in these areas, the Air Quality Control Division will be <br />developing a program to implement this policy. The State is also seeking <br />full delegation of the Prevention of Significant Deterioration Program <br />(PSD) from the Environmental Protection Agency. <br /> <br />C) Other Air Quality Issues <br /> <br />The State is also concerned about air quality issues not addressed by any <br />current ambient air quality standard. One such issue is small particulate <br />matter of 10 microns or less. Small particulates are a major factor in many <br />health, environmental, and aesthetic issues, including visibility and acid <br />deposition. To understand the sources of small particulates, the associated <br />environmental and health problems, and to develop the capability for dealing <br />with these problems will require further study. The State is currently <br />examining diesel activity as it relates to small particulates. The State <br />will also be studying the impact of small particulates from residential <br />solid fuel combustion, including coal and wood stoves. <br /> <br />3. Waste Management <br /> <br />A) Hazardous Waste Management <br /> <br />Hazardous wastes include ignitable, corrosive, toxic, and reactive <br />materials. As Colorado's population and industrial base 'expand, hazardous <br /> <br />-8- <br />