louisvilleky.gov

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Definitions (278)

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ch4


Chemical formula for methane.
Source: louisvilleky.gov

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ktc


Kentucky Transportation Cabinet.
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pm2.5


Particulate matter with an aerodynamic diameter of 2.5 microns and less. PM2.5 is a component of PM10. The smaller PM2.5 particles penetrate to even deeper portions of the lung, reaching individual al [..]
Source: louisvilleky.gov

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sulfur dioxide


A heavy, pungent, colorless air pollutant formed primarily by the combustion of fossil fuels. It is a respiratory irritant, especially for asthmatics.
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µ


Micro-: metric prefix for one millionth (10-6).
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µg


Micrograms: millionths of grams (10-6 g).
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µg/m3;


Micrograms per cubic meter.
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µm


Micrometers: 10-6 m. Also called microns.
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a&wma


See AWMA.
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accuracy


A quantitative measure of the magnitude of error (how close the results of a measurement are to an accepted reference value): the correctness of an analysis system. Accuracy includes both precision an [..]
Source: louisvilleky.gov


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