| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 10/01/2015 | 0000 | 12/01/2015 | 2359 |
| Subject: | MAO/TRACEGAS/S1 - Loss of zero filter efficiency. |
| DataStreams: | maoaosso2S1.a1 |
| Description: | Baseline judged from previous measurements at this site. Process increased the absolute uncertainty of the measurement. Some uncertainty in the absolute zero approximately +/- 1 ppb. |
| Suggestions: | |
| Measurements: | maoaosso2S1.a1: more
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