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Table T11. Concentrations of hydrocarbons observed in safety gas vials, Site C0014.

Core, section,
interval (cm) 		Depth
(mbsf) 		H2 in
science gas
(ppm) 		CH4 in
science gas
(ppm) 		Sample
mass
(g) 		H2 in
pore water
(nM) 		CH4 in
pore water
(µM)
331-C0014A-
1H-3, 0–4 1.90 BD 156.5 7.97 BD 8.5
1H-4, 0–4 2.80 BD 306.8 7.39 BD 21.1
1H-5, 4–5 4.31 1.0429 7.9 4.63 123.9 0.9
1H-5, 58–62 4.85 BD 74.2 4.08 BD 10.0
1H-CC, 24.5–25.5 5.14 0.09 BD 3.41 20.2 BD
331-C0014B-
1H-1, 138–142 1.38 BD 9.3 6.38 BD 0.8
1H-2, 135–139 2.77 BD 1,459.5 5.56 BD 149.5
1H-3, 138–142 4.19 BD 4,087.4 5.58 BD 438.2
1H-4, 137–141 5.60 BD 3,252.5 4.12 BD 628.8
1H-5, 103–107 6.67 BD 2,575.8 6.46 BD 285.0
2H-1, 133–137 7.83 BD 79.0 5.79 BD 8.2
2H-2, 66–70 8.53 BD 27.0 2.88 BD 8.0
2H-3, 137–141 9.94 BD 310.9 6.64 BD 19.6
2H-4, 71–75 10.69 0.1 1,104.1 4.99 12.7 119.2
2H-5, 100–104 11.73 BD 6,980.4 7.07 BD 492.2
2H-6, 58–62 12.35 BD 4,808.7 6.52 BD 343.5
2H-7, 93–97 13.32 BD 2,441.3 6.25 BD 173.1
2H-8, 47.5–51.5 13.84 BD 275.0 5.24 BD 30.4
3H-1, 80–84 16.80 1.8 12.9 5.76 120.7 0.9
3H-2, 73–77 17.57 BD 807.2 5.25 BD 73.1
3H-3, 97–101 18.58 BD 593.3 5.59 BD 39.6
3H-4, 119.5–123.5 19.82 BD 249.4 5.43 BD 22.2
3H-5, 135–139 21.21 BD 176.5 6.58 BD 10.0
3H-6, 59–63 21.84 BD 864.9 4.95 BD 86.5
3H-7, 115–119 23.03 BD 923.0 4.95 BD 141.5
4H-2, 136.5–140.5 27.43 BD 5,753.3 5.56 BD 589.2
4H-3, 137–141 28.84 BD 3,014.6 6.74 BD 286.4
4H-4, 118.5–122.5 30.07 BD 389.0 5.68 BD 46.9
4H-6, 135–139 31.89 BD 185.4 4.43 BD 22.5
4H-7, 137–141 33.30 BD 256.3 6.00 BD 22.7
4H-8, 137–141 34.71 BD 258.3 5.07 BD 27.2
5H-12, 0–4 40.59 BD 513.0 2.72 BD 111.5
5H-13, 106–110 42.55 18.3 339.5 5.48 1,768.7 32.8
5H-14, 123.5–127.5 43.82 71.4 70.1 3.44 24,658.5 24.2
331-C0014C-
1H-4, 138.5–142.5 2.34 BD 8.2 4.73 0.0 1.1
1H-5, 140–144 3.78 0.2 70.0 5.03 23.8 8.2
1H-6, 116.5–120.5 4.99 0.3 52.9 3.16 52.0 9.0
331-C0014D-
1H-1, 136–140 1.36 BD 279.3 5.06 BD 32.5
1H-2, 136.5–140.5 2.77 BD 36.8 2.44 BD 10.3
1H-3, 138–142 4.19 1.4 66.0 4.47 128.8 6.2
1H-4, 85–89 5.08 BD 8.1 4.86 BD 0.8
2H-1, 134–138 7.84 0.2 1,238.7 4.29 21.2 145.8
2H-2, 137–141 9.25 BD 549.3 4.79 BD 44.3
2H-3, 139–143 10.68 BD 133.7 5.02 BD 12.0
2H-4, 123.5–127.5 11.96 BD 28.4 4.41 BD 4.4
2H-6, 95.5–99.5 13.56 BD 147.2 6.36 BD 13.1
331-C0014E-
1H-2, 136.5–140.5 17.53 BD 317.2 5.76 BD 29.8
1H-3, 136.5–140.5 18.93 0.4 33.0 7.03 51.1 3.8
1H-4, 137–141 20.34 BD 117.7 5.86 BD 10.9
1H-5, 94–98 21.32 BD 691.2 5.86 BD 51.1
1H-6, 128.5–132.5 22.65 BD 124.0 7.58 BD 12.4
1H-CC, 21–25 25.11 0.7 346.1 6.41 82.7 40.8
2H-3, 27.5–31.5 27.11 BD 97.7 4.67 BD 10.9
2H-4, 136–140 28.51 BD 115.6 5.87 BD 11.6
2H-5, 137–141 29.92 BD 50.3 4.01 BD 6.0
2H-6, 137.5–141.5 31.33 6.8 726.9 5.44 1,290.8 138.1
331-C0014F-
1H-1, 17-21 0.17 1,385.0 BD 4.60 166,790.1 BD
1H-2, 96.5–100.5 1.18 52.0 5.5 3.52 8,842.0 0.9
331-C0014G-
1H-1, 138–142 1.42 BD 10.4 6.38 BD 0.9
1H-2, 137–141 2.83 BD 19.5 3.82 BD 3.3
1H-3, 135.5–139.5 4.19 BD 10.0 4.27 BD 1.7
1H-4, 137.5–141.5 5.64 BD 23.7 6.97 BD 2.2
1H-5, 137–141 7.05 0.6 3.2 1.34 415.0 2.0
1H-6, 137–141 8.46 BD 2.9 1.80 BD 1.1
2H-1, 134–138 10.58 BD 5.0 1.37 BD 2.7
2H-2, 136.5–140.5 11.99 0.5 6.4 1.88 125.6 1.8
2H-3, 136.5–140.5 13.39 0.8 10.9 2.32 174.5 2.5
2H-4, 136.5–140.5 14.80 2.8 12.8 2.80 582.6 2.7
2H-5, 138–142 16.22 BD 1,952.7 5.33 BD 173.5
2H-6, 140.5–144.5 17.66 BD 488.8 4.15 BD 89.8
3H-2, 137–141 20.75 1.2 1,050.8 5.73 121.3 104.3
3H-4, 137–141 22.58 BD 197.4 6.43 BD 16.9
3H-6, 45–49 24.47 BD 292.8 4.02 BD 56.2
3H-7, 68.5–72.5 25.20 4.8 350.3 3.91 896.1 65.0
3H-8, 142–146 26.66 3.2 538.0 6.18 625.9 106.6
3H-10, 50.5–54.5 28.21 BD 514.6 4.31 BD 86.2
4H-4, 50–54 30.41 BD 1.3 4.88 BD 0.2
4H-6, 97–101 32.43 BD 15.2 4.13 BD 2.4
4H-7, 96.5–100.5 33.43 3.9 30.8 5.31 271.7 2.2
4H-9, 96.5–100.5 35.45 2,186.6 37.7 3.53 381,717.7 6.6
4H-10, 96.5–100.5 36.46 0.2 6.6 6.82 11.8 0.4
5H-4, 31.5–35.5 38.95 942.2 114.1 2.34 451,124.6 54.6
6H-3, 0–4 48.38 232.4 1,016.9 6.89 14,510.5 63.5
7X-CC, 27–31 50.51 6.0 77.5 3.59 1,494.7 19.2
9X-2, 0–4 55.65 3.1 133.8 1.17 3,108.2 132.7
10H-1, 0–4 58.74 98.6 14.2 7.13 14,451.4 2.1
11X-1, 7.5–11.5 59.82 1.1 30.6 1.33 1,278.0 34.8
12H-2, 0–4 64.37 1,418.0 4.9 4.60 381,635.0 1.3
12H-3, 0–4 65.19 19.6 186.6 4.55 4,693.4 44.7
13T-1, 96–100 67.70 155.5 178.9 2.20 108,767.6 125.2
13T-3, 0–4 68.75 24.7 91.2 2.87 8,855.7 32.6
14T-1, 43.5–47.5 71.68 46.0 581.4 3.16 17,446.4 220.4
14T-3, 0–4 72.73 104.2 1,487.7 5.37 23,868.2 340.8
15T-1, 16.5–20.5 75.91 16.9 368.7 3.08 8,466.4 184.6
16T-2, 0–4 76.73 47.7 918.7 5.14 10,453.8 201.3
17T-2, 96.5–100.5 81.62 876.8 778.5 3.53 329,086.2 292.2
17T-4, 96–100 83.63 8.6 416.5 4.62 1,661.9 80.2
18T-2, 96–100 86.02 77.8 523.3 3.23 20,256.8 136.3
18T-3, 96.5–100.5 87.02 109.8 1,120.5 3.63 25,279.6 257.9
19T-CC, 16–20 89.56 5.0 237.7 3.79 2,644.9 126.8
20T-1, 59–63 94.33 2.6 271.0 5.85 624.4 64.0
21H-2, 77–81 99.11 1,421.1 428.0 5.91 291,669.7 87.8
22X-1, 34.5–35.5 100.56 9.6 117.7 2.82 5,431.6 66.9
23X-2, 19–23 105.54 2.0 84.9 1.82 1,240.1 52.5
24T-2, 96–100 110.70 1,656.1 357.5 2.21 983,851.4 212.4
24T-4, 0–4 111.73 276.2 1,068.2 5.15 50,637.3 195.8
25T-1, 59–63 114.33 75.3 311.6 6.16 11,107.2 46.0
30X-1, 0–4 127.20 109.8 44.6 1.07 811,305.1 329.9
3H-2, 137–141 (2 days) 20.75 BD 1,116.0 5.73 BD 110.7
3H-7, 68.5–72.5 (2 days) 25.20 BD 340.7 3.91 BD 63.2
3H-10, 50.5–54.5 (2 days) 28.21 BD 487.2 4.31 BD 81.6
4H-4, 50–54 (2 days) 30.41 0.8 7.3 4.88 128.2 1.1
4H-6, 97–101 (2 days) 32.43 BD 15.2 4.13 BD 2.4
4H-7, 96.5–100.5 (2 days) 33.43 20.8 47.8 5.31 1,458.1 3.3
4H-9, 96.5–100.5 (2 days) 35.45 6,650.8 49.6 3.53 1,161,049.3 8.7
4H-10, 96.5–100.5 (2 days) 36.46 3.8 11.6 6.82 262.0 0.8
5H-4, 31.5–35.5 (2 days) 38.95 2,484.1 137.3 2.34 1,189,436.7 65.7
6H-3, 0–4 (2 days) 48.38 3,011.9 1,265.6 6.89 188,043.4 79.0
7X-CC, 27–31 (2 days) 50.51 35.3 376.5 3.59 8,737.0 93.2
14T-3, 0–4 (2 days) 72.73 605.4 1,376.6 5.37 138,675.4 315.3
16T-2, 0–4 (2 days) 76.73 9,959.5 1,721.4 5.14 2,182,552.3 377.2
17T-4, 96–100 (2 days) 83.63 11.6 651.7 4.62 2,224.6 125.5
18T-2, 96–100 (2 days) 86.02 6,040.7 1,205.0 3.23 1,573,117.4 313.8
20T-1, 59–63 (2 days) 94.33 20.2 927.0 5.85 4,780.1 218.9
24T-2, 96–100 (slimy) 110.70 1,273.4 171.9 2.56 218,441.8 29.5
22X-1, 5–9 (slimy) 100.29 28.0 29.1 2.65 5,164.9 5.4
21H-2, 0–4 (slimy) 98.34 5,579.8 80.4 6.12 261,943.8 3.8

BD = below detection. 2 days = samples after 2 days. Slimy = slimy samples.

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