| Core sample from Tank W3 | Description |
| W3-003 | Core sample collected from pre-cleaned area, location 240 degrees at 6 feet from floor. |
| W3-004 | Core sample collected from un-cleaned area, location 280 degrees at 4 feet from floor |
| W3-005 | Core sample collected from un-cleaned area, location 230 degrees at 4 feet from floor |
| W3-010 | Core sample collected from pre-cleaned area, location 300 degrees at 6 feet from floor. |
| W3-012 | Core sample collected from un-cleaned area, location 160 degrees at 2 feet from floor |
