Table 2.

Pesticide use levels for this study compared to the USEPA limits. The upper and lower limits of pesticides used in this study are reported in μg/L. The USEPA maximum contamination levels (MCL) for drinking water and lifetime health advisory limits are also reported. “ND” indicates that the data was unavailable or a value has not been set by the EPA for that compound. MCL and health advisory data obtained from the USEPA [35, 36].

	Minimum (μg/L)	Maximum (μg/L)	MCL (μg/L)	Health advisory, lifetime (μg/L)
Acetochlor	2.697	2697	2	ND
Atrazine	2.157	2157	3	200
Chlorpyrifos	3.506	3506	1	20
Cyanazine	2.407	2407	1	1
Resmethrin	3.385	3385	ND	ND
Simazine	2.017	2017	4	4