Managing Carbon Monoxide Pollution in Meteorological and Topographical Problem Areas (2003) / Chapter Skim
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Glossary
Glossary
Pages 178-188
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From page 178... ...
The Clean Air Act Amendments of ~ 990 listed 189 of these air toxic s as hazardous air pollutants (HAPs) for future regulation.
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A group of six common air pollutants (carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide) regulated by the federal government since the passage ofthe Clean AirAct in 1970, on the basis of information on health and/or environmental effects of each pollutant.
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The amount of pollutant emissions produced by an activity per unit of activity. By using the emissions rate of a pollutant and data regarding quantities of materials used by a given source grits activity level, it is possible to compute emissions for the source.
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. The value specified by the manufacturer as the maximum design loaded weight of a single vehicle (i.e., vehicle weight plus rated cargo capacity)
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. Standards set by EPA for the maximum levels of criteria air pollutants that can exist in the ambient air without unacceptable effects on human health or the public welfare.
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A malfunction indicator light (MIL) illuminates when a malfunction is noted, but engine technicians cannot connect to the system and download diagnostic trouble codes.
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Tropospheric ozone causes plant damage and adverse health effects and is a criteria air pollutant; it is a major component of smog. Particulate matter (PM)
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From page 185... ...
are significantly and consistently Tower than such emissions resulting from use of conventional gasolines. The 1990 Clean Air Act amendments required sale of reformulated gasoline in the nine areas with the most severe ozone pollution problems.
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Inversion conditions can trap pollution near the surface because warmer, less dense air is resting above colder, more dense air. Three-way catalytic converter.
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Aprocess to demonstrate whether a federally supported activity is consistent with the air quality goals in state implementation plans (SIPs9. Transportation conformity demonstrates that plans, programs, and projects approved or funded by the Federal Highway Administration or the Federal Transit Administration for regionally significant projects do not create new violations, increase the frequency or severity of existing violations, or delay timely attainment ofthe National AmbientAir Quality Standards (NAAQSJ.
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. A vehicle meeting either EPA's Clean Fuel Vehicle ULEV standards or CARB's California Low-Emission Vehicle Program ULEV standards.
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