Table T14. Concentrations of perfluorocarbon tracer (PFC) in drilling mud and microbiological samples collected during Expedition 343.
|
Sample ID
|
Depth
(mbsf) |
PFC concentration (µg/cm3) |
Remarks
|
||
|---|---|---|---|---|---|
|
Drilling mud
|
Core interior
|
Core exterior
|
|||
| 343-C0019E- | |||||
| 1R | 177.25 | 0.0014 | 0.0002 | Negative controls (background data) | |
| Mud-5/17 | 1.77 | ||||
| 4R | 689.66 | ND | 0.0094 | Noncontaminated | |
| 5R | 698.70 | 0.0036 | 0.0314 | 0.20% of drilling mud | |
| Mud-5/18 | 1.88 | ||||
| 6R | 706.11 | 0.0256 | 0.0626 | 1.4% of drilling mud | |
| 7R | 713.66 | 0.0040 | 0.0104 | 0.21% of drilling mud | |
| 8R | 720.76 | 0.0032 | 0.0094 | 0.17% of drilling mud | |
| Mud-5/19–20 | 932 | ||||
| 12R | 767.70 | ND | 0.0032 | Noncontaminated | |
| Mud-5/20 | 989 | ||||
| 13R | 802.50 | 0.0320 | 0.0692 | Noncontaminated (needs careful examination) | |
| 14R | 810.81 | 0.0008 | 0.0094 | Noncontaminated | |
| 15R | 816.75 | 0.0024 | Noncontaminated | ||
| Mud-5/21–22 | 1.65 | ||||
| 19R | 828.90 | ND | 0.0048 | Noncontaminated | |
| 20R | 831.42 | 0.0018 | 0.0054 | 0.11% of drilling mud | |
ND = no data.
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