| Date | Value |
|---|---|
| Feb 4, 2017 10:33 | 0.02 ppm |
| Dec 21, 2016 11:26 | 0.02 ppm |
| Feb 2, 2016 21:09 | 0.00 ppm |
| Dec 19, 2015 10:44 | 0.1 mgL |
| Aug 5, 2015 21:14 | 0.00 ppm |
| Apr 13, 2015 20:00 | 0.10 ppm |
| Mar 28, 2015 23:00 | 0.00 ppm |
| Mar 27, 2015 14:00 | 0.00 ppm |
| Mar 7, 2015 10:00 | 0.10 ppm |
| Jan 30, 2015 12:00 | 0.00 ppm |
| Oct 30, 2014 21:00 | 0.00 ppm |
| Sep 22, 2014 09:00 | 0.25 ppm |
| Sep 5, 2014 21:00 | 0.00 ppm |