"Table 22. Composition of gas derived from sediment and fluid headspace samples, Hole 856H and Site 1035." Note: * HS = headspace and V = vacutainer. Sample Type* Depth (mbsf) CH4 (ppm) CO2 (ppm) C2 C3 C1/C2 169-856H- WSTP-1 V 73 51 350 as in air "29R-2, IW gas" V 191.4 18000 17000 87 5 207 169-1035A- "1H-5,145-150" HS 7.48 5 "2H-7,145-150" HS 17.98 2 "3H-6,145-150" HS 25.98 17 "4H-6,145-150" HS 35.48 14 "5H-6,145-150" HS 44.98 8 "6H-CC, 0-5" HS 55 17 "7X-2, 0-5" HS 56.03 10 "8X-1, 135-140" HS 62.38 21 "9X-3,135-140" HS 74.98 14 "10X-3, 135-140" HS 84.58 13 "12X-2, 135-140" HS 102.28 26 "13X-3, 0-5" HS 112.03 20 "14X-5, 0-5" HS 124.03 19 "15X-4, 0-5" HS 132.73 55 1 55 "16X-4, 0-5" HS 142.33 175 1.3 134 "19X1, 145-150" HS 168.18 2326 11154 10 233 "19X-2, 0-5" HS 168.23 9275 31130 100 10 93 169-1035D- "1H-2, 135-140" HS 2.88 3 "2H-5, 0-5" HS 11.13 4 "3H-5, 0-5" HS 20.63 5 "4H-5, 0-5" HS 30.13 5 "5H-6, 0-5" HS 41.13 7 169-1035E- "1H-5, 0-5" HS 6.03 4 "2H-5, 0-5" HS 13.53 4 "3H-5, 0-5" HS 23.03 3 "4H-4, 0-5" HS 31.03 3 "5H-CC,43-48" HS 45.05 3 169-1035F- "12R-CC, 0-6" "V, IW" 119 13 612 169-1035G- "5R-1, 143-150" "V, IW " 75.1 124 1358 3 41 "6W-CC, 0-8" "V, IW" 140.8 102 3233 2 51