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M m <br /> C) Table 2-2 <br /> Summary of Impacts and Mitigation Measures <br /> CD <br /> C„ Significance Significance <br /> Impacts Before Mitigation Measures After <br /> Mitigation Mitigation <br /> 4.9-15: Effects of Proposed Project Discharges on Nitrate(as LTS No mitigation is necessary. LTS <br /> Nitrogen)Concentrations in Receiving Waters.The project <br /> would be designed and operated to comply with the NPDES <br /> permit effluent limits for nitrate,which are,in turn,based on the <br /> lowest criteria determined to be protective of beneficial uses. <br /> Projected nitrate concentrations would be well below the <br /> adopted Basin Plan objective of 10 mg/1.Therefore,the project's <br /> near-field nitrate impacts would be less than significant. <br /> 4.9-16: Effects of Proposed Project Discharges on Nitrite(as LTS No mitigation is necessary. LTS <br /> Nitrogen)Concentrations in Receiving Waters.The project <br /> would be designed and operated to comply with the NPDES <br /> permit effluent limits for nitrite,which are,in turn,based on the <br /> lowest criteria determined to be protective of beneficial uses. <br /> Projected nitrite concentrations at the point of discharge and <br /> downstream of the WQCF outfall would be equal to or below <br /> adopted Basin Plan objectives.Therefore,the project's near- <br /> 00 <br /> field nitrite impacts would be less than significant. <br /> 4.9-17: Effects of Proposed Project Discharges on Mercury LTS No mitigation is necessary. LTS <br /> (Total)Concentrations in Receiving Waters.The incremental <br /> :3 change in total mercury concentration in the San Joaquin River <br /> CD <br /> due to an increase in proposed Project effluent would be slight <br /> and below the magnitude of change that could be reliably <br /> p measured in the field.Additionally,projected,median total <br /> T mercury concentrations in the San Joaquin River are well below <br /> Q the CTR Human Health criterion of 0.051 µg/L.The proposed <br /> o project WWTP upgrades would be designed and operated to <br /> CD comply with the NPDES permit effluent limits for mercury, <br /> o which are,in turn,based on the lowest criteria determined to be <br /> W protective of beneficial uses.This impact is considered less than <br /> significant. <br /> m <br /> 4.9-18: Effects of Project Discharges on Pathogens in LTS No mitigation is necessary. LTS <br /> 0 CO Receiving Waters.The project would improve treatment <br /> operformance for pathogen removal in the treated effluent <br /> v discharged to the San Joaquin River compared to the existing <br /> Cn WQCF operations through the operation of a UV disinfection <br /> 55 system. The project would be designed and operated to comply <br /> LTS=Less than Significant S=Significant PS=Potentially Significant SU=Significant and Unavoidable <br />