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Useful conversions and formulas for air dispersion modeling information


Various governmental agencies involved with environmental protection and with occupational safety and health have promulgated regulations limiting the allowable concentrations of gaseous pollutants in the ambient air or in emissions to the ambient air. Such regulations involve a number of different expressions of concentration. Some express the concentrations as ppmv and some express the concentrations as mg/m3, while others require adjusting or correcting the concentrations to reference conditions of moisture content, oxygen content or carbon dioxide content. This article presents a set of useful conversions and formulas for air dispersion modeling of atmospheric pollutants and for complying with the various regulations as to how to express the concentrations obtained by such modeling.[1]

  1. ^ Air Dispersion Modeling Conversions and Formulas

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Useful conversions and formulas for air dispersion modeling

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This article presents a set of useful conversions and formulas for air dispersion modeling of atmospheric pollutants and for complying with the various regulations...

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Atmospheric dispersion modeling

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dispersion modeling Useful conversions and formulas for air dispersion modeling Air pollution forecasting Fensterstock, J.C. et al., "Reduction of air pollution...

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Outline of air pollution dispersion

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dispersion modeling Roadway air dispersion modeling Useful conversions and formulas for air dispersion modeling List of atmospheric dispersion models...

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Fundamentals of Stack Gas Dispersion

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atmospheric dispersion models UK Atmospheric Dispersion Modelling Liaison Committee Useful conversions and formulas for air dispersion modeling Atmospheric...

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AERMOD

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atmospheric dispersion models Useful conversions and formulas for air dispersion modeling AERMOD:Description of Model Formulation Prater, E.T. and Midgley...

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HYSPLIT

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terminology Atmospheric dispersion modeling List of atmospheric dispersion models Useful conversions and formulas for air dispersion modeling Stein, A. F.; Draxler...

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Conversion of units

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Gases Chemistry: Concepts and Applications, Denton independent school District Air Dispersion Modeling Conversions and Formulas www.gnu.org/software/units...

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Ozone

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Maude (1914). "On the Refraction and Dispersion of the Halogens, Halogen Acids, Ozone, Steam Oxides of Nitrogen, and Ammonia". Philosophical Transactions...

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Titanium tetrachloride

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contact with humid air, it forms thick clouds of titanium dioxide (TiO2) and hydrochloric acid, a reaction that was formerly exploited for use in smoke machines...

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Particulates

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of Lagrangian particle dispersion models to air quality assessment in the Trans-Manche region of Nord-Pas-de-Calais (France) and Kent (Great Britain)"...

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Diamond

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very high refractive index and a relatively high optical dispersion. Most natural diamonds have ages between 1 billion and 3.5 billion years. Most were...

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Wave power

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Wave power is the capture of energy of wind waves to do useful work – for example, electricity generation, water desalination, or pumping water. A machine...

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Chlorofluorocarbon

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polarizable than fluoride. Because of their polarity, the CFCs are useful solvents, and their boiling points make them suitable as refrigerants. The CFCs...

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Capacitor

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paper, mica, air, and oxide layers. When an electric potential difference (a voltage) is applied across the terminals of a capacitor, for example when...

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Haloalkane

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atomic weight and number of halides. This effect is due to the increased strength of the intermolecular forces—from London dispersion to dipole-dipole...

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Paint

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States simply means an aqueous dispersion; latex rubber from the rubber tree is not an ingredient. These dispersions are prepared by emulsion polymerization...

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Boron nitride

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Ying; Santos, Elton J. G.; Li, Lu Hua (2017). "Raman signature and phonon dispersion of atomically thin boron nitride". Nanoscale. 9 (9): 3059–3067....

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Thermoelectric materials

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be useful. However, low-cost materials that have a sufficiently strong thermoelectric effect (and other required properties) are also considered for applications...

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Glossary of chemistry terms

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known with certainty, structural formulas are very useful because they allow chemists to visualize the molecules and the structural changes that occur...

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Graphene

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photovoltaics and energy storage. Graphene is often produced as a powder and as a dispersion in a polymer matrix. This dispersion is supposedly suitable for advanced...

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History of radiation protection

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systems (source term reconstruction, improved dispersion modeling, consideration of aquatic dispersion pathways in European river systems). Environmental...

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Pentaethylenehexamine

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"Uranium(VI) and Thorium(IV) Adsorption Studies on Chelating Resin Containing Pentaethylenehexamine as a Functional Group". Journal of Dispersion Science and Technology...

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Sodium silicate

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Sodium silicate is a generic name for chemical compounds with the formula Na 2xSi yO 2y+x or (Na 2O) x·(SiO 2) y, such as sodium metasilicate Na 2SiO...

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Loudspeaker

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a more linear and lower-distortion motion than dynamic drivers. They also have a relatively narrow dispersion pattern that can make for precise sound-field...

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Lidar

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more attractive for new markets. Agricultural robots have been used for a variety of purposes ranging from seed and fertilizer dispersions, sensing techniques...

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Impedance matching

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source and load. T {\displaystyle T\,} accounts for everything that happens to the signal in transit (including delay, attenuation and dispersion). If there...

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Gunpowder

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A slow match for flame-throwing mechanisms using the siphon principle and for fireworks and rockets is mentioned. The mixture formulas in this book contain...

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Solar panel

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individual degradation of the main electrical parameters and the increase in their dispersion must be considered. As each module tends to degrade differently...

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