The Scientific Basis for Estimating Air Emissions from Animal Feeding Operations
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Relating to the physical geography of mountains and mountain ranges
Planetary boundary layer
Particulate matter having an aerodynamic diameter of 2.5 µm or less
Particulate matter having an aerodynamic diameter of 10 µm or less
Parts per billion by volume
Parts per million by volume
Agreement among individual measurements of the same property, under prescribed similar conditions
State implementation plans for NAAQS
Of or relating to data obtained nearly simultaneously over a large area of the atmosphere
Teragram, 1 x 1012 g
Total suspended particulates
The degree of confidence that can be assigned to a numerical measurement in terms of both its accuracy and its precision
U.S. Department of Agriculture
Volatile organic compound
Weight lost upon ignition at 550 °C (using Method 2540 E of the American Public Health Association). Volatile solids provide an approximation of moisture and organic matter present.