Table T2. Summary of nitrogen leaching rates from borehole and CORK materials incubated in seawater at three different temperatures (4°C, room temperature ~ 22°C, and 60°C).
| Material (unit) |
Temperature: | 4°C | Room temperature | 60°C | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Incubation time: | 1 h | 1 day | 1 week | 1 month | 1 h | 1 day | 1 week | 1 month | 1 h | 1 day | 1 week | 1 month | |
| Coat TK-2 (nmol/cm2/d) | 8E+01 | 2E+00 | 8E–01 | 2E–01 | — | — | — | — | 1E+02 | 3E+01 | 8E+00 | 4E+00 | |
| Coat TK-34XT (nmol/cm2/d) | 1E+00 | 5E–01 | 2E–01 | 6E–02 | — | — | — | — | 6E+01 | 6E+00 | 8E–01 | 2E–01 | |
| Coat TK-69 (nmol/cm2/d) | 1E+00 | 1E–01 | 1E–01 | 7E–02 | — | — | — | — | 2E+01 | 4E+00 | 5E–01 | 1E–01 | |
| Coat TK-805 (nmol/cm2/d) | 2E+01 | 9E–01 | 3E–01 | 1E–01 | — | — | — | — | 8E+01 | 5E+00 | 5E–01 | 6E–02 | |
| Coat Xylan (nmol/cm2/d) | — | 2E+00 | 3E–01 | 1E–01 | — | 2E+00 | 3E–01 | 7E–01 | — | 9E+01 | 2E+01 | 1E+01 | |
| Coat Amerlock1 (nmol/cm2/d) | 4E+01 | 2E+00 | 2E–01 | 1E+00 | 2E+01 | 1E+00 | 2E–01 | 3E–02 | 5E+01 | 7E+01 | 3E+01 | 8E+00 | |
| Coat Amerlock2 (nmol/g/d) | — | 2E+01 | — | 8E+00 | — | 1E+02 | — | 1E+01 | — | 8E+02 | — | 9E+01 | |
| Coat Alocit 28 (nmol/g/d) | — | 9E+00 | — | 5E–01 | — | 1E+01 | — | 9E–01 | — | 2E+02 | — | 4E+01 | |
| FG anhydride (nmol/cm2/d) | — | — | — | 1E–03 | — | — | — | 2E–01 | — | — | — | 2E–01 | |
| FG aromatic amine (nmol/cm2/d) | — | — | — | 1E–04 | — | — | — | 0E+00 | — | — | — | 1E–03 | |
| FG aliphatic (nmol/cm2/d) | — | — | — | 7E–01 | — | — | — | 2E+00 | — | — | — | 3E+00 | |
| Pack standard (nmol/cm2/d) | 4E+01 | 2E+00 | — | — | — | — | 3E+02 | 8E+01 | 3E+01 | 6E+00 | |||
| Pack FSC-11 (nmol/cm2/d) | 7E+04 | 8E+03 | 2E+03 | 2E+02 | — | — | — | — | 9E+04 | 2E+04 | 2E+03 | 4E+02 | |
| Bestolife 60% lead-base dope (nmol/cm2/d) | — | 6E+02 | 2E+02 | 5E+01 | — | 1E+03 | 2E+02 | 4E+01 | — | 3E+03 | 1E+02 | 3E+01 | |
| Bestolife ZN 50 dope (nmol/cm2/d) | — | 1E+02 | 1E+01 | 1E+00 | — | 1E+02 | 2E+01 | 2E+00 | — | 2E+02 | 6E+01 | 4E+01 | |
| Eco-Sil dope (nmol/cm2/d) | BDL | BDL | BDL | BDL | BDL | BDL | BDL | BDL | BDL | BDL | BDL | BDL | |
| TF-15 grease (nmol/g/d) | — | 2E+03 | — | 2E+02 | — | 3E+03 | — | 1E+02 | — | 9E+03 | — | 3E+02 | |
| Loctite sealant (nmol/g/d) | — | 1E+01 | — | 7E–01 | — | 1E+01 | — | 4E–01 | — | 3E+02 | — | 1E+02 | |
| APT 3 sealant (nmol/g/d) | — | 4E+03 | — | 3E+02 | — | 1E+04 | — | 6E+02 | — | 2E+04 | — | 2E+03 | |
Leaching rates expressed as nmol N leached per cm2 (surface area) per day or nmol N leached per gram material per day. — = data not available, BDL = below detection limit.
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