Method and apparatus for continuous emissions monitoring system using gas chromatography
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United States of America Patent
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Sep 16, 1997
Grant Date -
N/A
app pub date -
May 31, 1996
filing date -
Aug 31, 1993
priority date (Note) -
Expired
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Abstract
A method of and apparatus for automatically monitoring and reporting the exact concentrations of specific chemicals contained in one or more air streams is disclosed in which the system automatically calibrates one or a plurality of gas chromatographs using a plurality of calibration gases and then alternatingly samples and analyzes air streams containing volatile or semi-volatile organic or inorganic compounds. When a plurality of gas chromatographs are utilized, the system of the present invention is capable of simultaneously analyzing one or more air streams for a plurality of compounds. Apparatus for ensuring sample line and measurement system integrity is also disclosed. The results of the analysis are recorded and are stored in computer files which include the exact chemical concentrations of a sample taken from an air stream.
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