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Figure F47. Chromatograms (flame ionization detector [FID]) of Section 317-U1352B-55X-1 (467.37 m CSF-A) showing core void gas composition based on (A) the Agilent/HP 6890 Series II gas chromatography system (GC3) and (B) the natural gas analyzer (NGA). GC3 identifications and quantifications were confirmed by standards. NGA separation is expanded to show details of butanes, butenes, pentanes, and pentenes. Alkenes could be only tentatively identified.

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