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

Seasonal Pesticide Concentrations Carrot River 2011

Date	MCPA Median Concentrations (ng/L)	Clopyralid Median Concentrations (ng/L)	2,4-D Median Concentrations (ng/L)
2011-01-06	6.59	16.7	56.6
2011-02-10	4.55	16.8	27.1
2011-03-17	2.74	16.9	13.8
2011-04-20	11.9	7.96	49.7
2011-05-17	9.69	6.52	27.3
2011-06-16	4.16	6.03	7.19
2011-07-13	113	52.1	48.6
2011-08-24	8.11	12.3	6.34
2011-09-21	4.27	14.1	7.63
2011-10-19	1.58	12.5	6.15
2011-11-16	1.47	10.4	4.83
2011-12-14	1.32	9.32	3.78

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