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| U.S. Geological Survey Open-File Report 2004-1350 |
| 137Cs dpm cm-2 (since 1960) |
210Pbcs dpm cm-2 (since 1960) |
210Pbtotal dpm cm-2 |
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|---|---|---|---|
| Atmosphere | 5 | 16 | 19 |
| Core 1 | 1.5 | 10.2 | 10.9 |
| Core 2 | 2.2 | 16.6 | 17.4 |
| Core 3 | 2.2 | 14.1 | 16.1 |
| Core 4 | 11.4 | 29.3 | 731.6 |
| Core 6 | 36.7 | 150 | 200.7 |
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