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LMP635N00

-N2O-

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Station Contributor(s) Method Data Period

Observation
 Frequency : Weekly
 Method : GC-ECD
 Instrument : Hewlett Packard-Agilent Technologies HP 5890 and HP 6890
 Description : Air samples are taken every Friday with one pair of glass flasks using a chemical water vapor trap and pressurizing at 280-300 kPa.N2O concentration is determined at ENEA laboratory in Lampedusa. Instrument: gas chromatograph HP 5890 with ECD. Since October 2002 a HP 6890 is used.



Calibration
 Scale : NOAA/CMDL Scale
 Description :


Data Processing
 Unit : ppb
 Description : the only selection applied refers to the consistency of pairs.


Average Procedure
 Hourly :
 Daily :
 Monthly :


Flag
 Description :





The WDCGG is operated by the Japan Meteorological Agency
in cooperation with the World Meteorological Organization