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<br />January 28, 2022 Lab ID :STK2230878-001 <br />San Joaquin Co. Environmental Health Dep Description : Wellhead <br /> <br />Drinking Water Interpretation <br /> <br />Summary: Your water has a failure for one or more items on this sample report. Please see <br />the table below to determine which items failed. Following the table is a brief <br />explanation describing the significance of the failure and whether treatment may <br />be required. <br /> <br /> MCL <br />CONSTITUENT RESULT UNITS MCL LESS OR <br />EQUAL EXCEED <br />Inorganic - Primary <br /> Fluoride ND mg/L 2 Pass <br /> Nitrate + Nitrite as N 3.2 mg/L 10 Pass <br /> Nitrate as NO3 11.5 mg/L 45 Pass <br /> Nitrate Nitrogen 2.6 mg/L 10 Pass <br /> Nitrite as N 0.6 mg/L 1 Pass <br />Inorganic - Secondary <br /> Chloride 83 mg/L 500 Pass <br /> Copper 50 ug/L 1000 Pass <br /> Iron 350 ug/L 300 Fail <br /> Manganese 110 ug/L 50 Fail <br /> MBAS (foaming agents) ND mg/L 0.5 Pass <br /> Specific Conductance 796 umhos/cm 1600 Pass <br /> Sulfate 148 mg/L 500 Pass <br /> Total Dissolved Solids 500 mg/L 1000 Pass <br />Other <br /> Copper 50 ug/L 1300** Pass <br />ND=Non-Detected. ** California Title 22, Section 64672.3