Use this web page to find specific data files available from the public ftp file archive of the ESRL Global Monitoring Division. Alternatively, you can browse the GMD ftp server. Click on the icons ( Download Data File or Go to Download Directory ) under the 'Data' table heading in the dataset description boxes to either download the data file desired, or take you to the appropriate directory on the ftp server, where you can make selections based on date.

Select from the following lists to narrow your search.
Category Parameter name
HCFC-141b (1)
Flask (1)
Discrete (1)
Multiple (1)
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Site Category Name Type Frequency Year Data
Multiple Sites
Flask samples analyzed by GCMS.
Halocompounds HCFC-141b
Flask Discrete Multiple Download Data File Readme File
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Dataset list last updated on 15 September 2017
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