that includes sampling and testing of nutrient concentrations (i.e., [[Phosphorus]], [[Nitrogen]], [[Soluble Salts]]) in sub-drain or surface flows from the BMP to evaluate if the exceedance is negatively impacting effluent quality. | that includes sampling and testing of nutrient concentrations (i.e., [[Phosphorus]], [[Nitrogen]], [[Soluble Salts]]) in sub-drain or surface flows from the BMP to evaluate if the exceedance is negatively impacting effluent quality. |