This table gives median monthly concentrations of 2,4-D, MCPA and Clopyralid (column headings) for 2011 (row headings).

Seasonal Pesticide Concentrations Assiniboine River 2011

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

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