Seasonal pesticide concentrations: Red River 2011
This table gives median monthly concentrations of clopyralid, dicamba, MCPA, MCPP, 2,4-D and metolachlor (column headings) for 2011 (row headings).
| Date | Clopyralid Median Concentrations (ng/L) |
Dicamba Median Concentrations (ng/L) |
MCPA Median Concentrations (ng/L) |
MCPP Median Concentrations (ng/L) |
2,4-D Median Concentrations (ng/L) |
Metolachlor Median Concentrations (ng/L) |
|---|---|---|---|---|---|---|
| 2011-01-04 | 7.45 | 2.81 | 2.55 | 1.02 | 16.8 | 1.73 |
| 2011-02-07 | 8.35 | 0.89 | 1.32 | 1.02 | 19.5 | 1.73 |
| 2011-03-07 | 7.09 | 0.89 | 2.11 | 1.02 | 19.5 | 1.73 |
| 2011-04-04 | 18.7 | 4.44 | 9.64 | 6.69 | 41.8 | 5.63 |
| 2011-05-02 | 11.9 | 7.01 | 4.87 | 1.02 | 52.1 | 8.84 |
| 2011-06-06 | 19.2 | 25.6 | 14.8 | 14.3 | 124 | 45.3 |
| 2011-07-04 | 223 | 125 | 254 | 8.13 | 140 | 287 |
| 2011-08-08 | 57.4 | 25.2 | 30.4 | 16.6 | 153 | 34 |
| 2011-09-06 | 68.4 | 3.21 | 7.46 | 2.46 | 39.7 | 12.9 |
| 2011-10-11 | 29.7 | 3.56 | 3.01 | 2.35 | 8.32 | |
| 2011-11-07 | 19.6 | 1.73 |