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)

Acetochlor2.69726972ND
Atrazine2.15721573200
Chlorpyrifos3.5063506120
Cyanazine2.407240711
Resmethrin3.3853385NDND
Simazine2.017201744