leg site hole core coretype section top interval bottom interval sample code head or vacutainer volume parameter id las name oxygen nitrogen methane carbon monoxide carbon dioxide ethylene ethane hydrogen sulfied propylene propane isobutate normal butane isopentane normal pentane isohexane normal hexane methane/ethane methane/ethane plus comments latitude longitude depth top interval depth below sea floor bottom interval depth below sea floor 104 642 C 022 Hydraulic (Advanced) Piston Core 03 131 133 VAC Vacutainer sampling GC1-50 0000143 0000014 0000010.21 0000010.21 67.22000 2.93000 0180.50 18181 18183 104 642 C 022 Hydraulic (Advanced) Piston Core 03 145 150 HS Headspace techniques were used 5.0 GC1-50 0000015 67.22000 2.93000 0180.50 18195 18200