Seasonal pesticide concentrations: Assiniboine River 2011
This table gives median monthly concentrations of 2,4-D, MCPA and Clopyralid (column headings) for 2011 (row headings).
| Date | MCPA Median Concentrations (ng/L) | Clopyralid Median Concentrations (ng/L) |
2,4-D Median Concentrations (ng/L) |
|---|---|---|---|
| 2011-02-08 | 33.3 | 23.9 | 63.5 |
| 2011-03-16 | 27.5 | 19.2 | 48.3 |
| 2011-04-19 | 20.7 | 17.4 | 106 |
| 2011-05-17 | 8.35 | 11.9 | 27.9 |
| 2011-06-14 | 17.1 | 15 | 33.1 |
| 2011-07-12 | 103 | 31.4 | 54.8 |
| 2011-08-23 | 51.5 | 22 | 92.6 |
| 2011-09-20 | 42.1 | 21.2 | 47.4 |
| 2011-10-18 | 21.4 | 20.2 | 48.1 |
| 2011-11-15 | 15.7 | 19 | 30.5 |
| 2011-12-13 | 11.1 | 28.9 | 19.8 |