air pollutant standards index and summary of standards

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• National Ambient Air Quality Standards — Counties in the United States where one or more National Ambient Air Quality Standards are not met, as of June 2007. The National Ambient Air Quality Standards (NAAQS) are standards established by the United States Environmental Protection Agency …   Wikipedia

• Roadway air dispersion modeling — is the study of air pollutant transport from a roadway or other linear emitter. Computer models are required to conduct this analysis, because of the complex variables involved, including vehicle emissions, vehicle speed, meteorology, and terrain …   Wikipedia

• Mercury regulation in the United States — is a set of laws and regulations limiting the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. These laws and regulations are promulgated by U.S. Federal Agencies such as the Environmental Protection… …   Wikipedia

• Emissions trading — (or emission trading) is an administrative approach used to control pollution by providing economic incentives for achieving reductions in the emissions of pollutants. It is sometimes called cap and trade.A central authority (usually a government …   Wikipedia

• Compilation of atmospheric dispersion models — Atmospheric dispersion models are computer programs that use mathematical algorithms to simulate how pollutants in the ambient atmosphere disperse and, in some cases, how they react in the atmosphere. The dispersion models are used to estimate or …   Wikipedia

• Ontario electricity policy — refers to plans, legislation, incentives, guidelines, and policy processes put in place by the Government of the Province of Ontario, Canada, to address issues of electricity production, distribution, and consumption. Policymaking in the… …   Wikipedia

• Formaldehyde — For other uses, see Formaldehyde (disambiguation). Formaldehyde …   Wikipedia

• Emissions & Generation Resource Integrated Database (eGRID) — infobox software name = Emissions Generation Resource Integrated Database caption = eGRID2006 spreadsheet data developer = latest release version = eGRID2006 Version 2.1 latest release date = 30 April 2007 website =… …   Wikipedia

• Acetic acid — Acetic redirects here. It is not to be confused with Ascetic. Acetic acid …   Wikipedia

• Motor vehicle emissions — Steam from tailpipe of cold car Typical appearance of car exhaust on a correctly …   Wikipedia

• Fuel efficiency in transportation — This page describes fuel efficiency in means of transportation. For the environmental impact assessment of a given product or service throughout its lifespan, see life cycle assessment. Caveats Comparing Fuel efficiency in transportation is a bit …   Wikipedia