Harmful chemicals such as nitrogen oxide, hydrocarbons, custom name miami dolphins football team christmas ugly sweater carbon monoxide and sulfur dioxide are released from motor vehicles. Some of these also react with sunlight to produce Photochemical.
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for controlling toxic air pollutants. The provisions for attainment and maintenance of NAAQS were substantially modified and expanded. Other revisions included provisions regarding stratospheric ozone protection, custom name miami dolphins football team christmas ugly sweater increased enforcement authority, and expanded research programs. To implement the strict new Clean Air Act of 1970, during his first term as EPA Administrator William Ruckelshaus spent 60% of his time on the automobile industry, whose emissions were to be reduced 90% under the new law. Senators had been frustrated at the industry’s failure to cut emissions under previous, weaker air laws. O2 + UV photon → 2 O O + O2 + M → O3 + MM represents a third molecule, needed to carry off the excess energy of the collision of O + O2.Atmospheric freon and chlorofluorocarbons contribute to ozone depletion .
Following discovery of the ozone hole in 1985, the 1987 Montreal Protocol successfully implemented a plan to replace CFCs and was viewed by some environmentalists as an example of what is possible for the future of environmental issues, if the political will is present. Under the law prior to 1990, EPA was required to construct a list of Hazardous Air Pollutants as well as health-based standards for each one. There were 187 air pollutants listed and the source from which they came. The EPA was given ten years to generate technology-based emission standards. Title III is considered a second phase, allowing the EPA to assess lingering risks after the enactment of the first phase of emission standards. Title III also enacts new standards with regard to the protection of public health. Trucks and automobiles play a large role in deleterious air quality.