Appendix A:
Descriptions of Type A, List 1 Indicators

• Carbon Monoxide Emissions and Exceedances

• Nitrogen Dioxide Emissions and Exceedances

• Sulfur Dioxide Emissions and Exceedances

• Particle Matter Emissions and Exceedances

• Lead Emissions and Exceedances

• Exceedances of the Ambient Standard for Ozone

• Volatile Organic Compound (VOC) Emissions from Motor Vehicles

• Changes in Wetlands in the United States

• Cropland Erosion

• Hazardous Waste Generated

• Reductions in Toxic Releases

• Toxic Chemical Releases By Media

• Total Pounds of Toxic Chemicals Released Annually to Land and Water

• Numbers of People living in metropolitan areas and counties where air does not meet criteria pollutant standards

• Toxics Release Inventory Emissions to Air of Clean Air Act Regulated hazardous Air Pollutants

• Point Source Loadings to Surface Water and Ground Water

• Comparing the proportion of species "at risk" that are dependent on aquatic or wetland habitats with the percent of species at risk that are dependent on terrestrial habitats

• Changes in Forest Land Area by Acres and Type

• Percent of Hazardous Waste Sites With Confirmed Contamination of Ground Water

• Generation and Management of Municipal Solid Waste: Tons Generated, landfilled, Incinerated, Recycled

• Ambient water quality in rivers and streams: exceedants for fecal coliform, dissolved oxygen, total phosphorus