Portland - SW 1st & Arthur St.
Site ID: 41-051-0081 · 45.5042°N, 122.7023°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 1 | 1981 | 1981-09-24 |
Site ID: 41-051-0081 · 45.5042°N, 122.7023°W
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 1 | 1981 | 1981-09-24 |