Saint Helens - Columbia County Courthouse
Site ID: 41-009-0003 · 45.8626°N, 122.7976°W
Loading map...
Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Suspended particulate (TSP) | 1 | 1972 | 1981-11-18 |
Site ID: 41-009-0003 · 45.8626°N, 122.7976°W
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Suspended particulate (TSP) | 1 | 1972 | 1981-11-18 |