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March 16, 2022 <br />Lab ID :STK2232362-001 <br />San Joaquin Co. Environmental Health Dep Description : Wellhead <br />Drinking Water Interpretation <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 />ND=Non-Detected. ** Califomia Title 22, Section 64672.3 <br />Page 4 of 9 <br />MCL <br />CONSTITUENT <br />RESULT <br />UNITS <br />MCL <br />LESS OR EXCEED <br />EQUAL <br />Inorganic - Primary <br />Fluoride <br />ND <br />mg/L <br />2 <br />Pass <br />Nitrate + Nitrite as N <br />3.0 <br />mg/L <br />10 <br />Pass <br />Nitrate as NO3 <br />13.5 <br />mg/L <br />45 <br />Pass <br />Nitrate Nitrogen <br />3.0 <br />mg/L <br />10 <br />Pass <br />Nitrite as N <br />ND <br />mg/L <br />1 <br />Pass <br />Inorganic - Secondary <br />Chloride <br />6 <br />mg/L <br />500 <br />Pass <br />Copper <br />ND <br />ug/L <br />1000 <br />Pass <br />Iron <br />440 <br />ug/L <br />300 <br />Fail <br />Manganese <br />80 <br />ug/L <br />50 <br />Fail <br />MBAS (foaming agents) <br />ND <br />mg/L <br />0.5 <br />Pass <br />Specific Conductance <br />270 <br />umhos/cm <br />1600 <br />Pass <br />Sulfate <br />4.9 <br />mg/L <br />500 <br />Pass <br />Total Dissolved Solids <br />200 <br />mg/L <br />1000 <br />Pass <br />Other <br />Copper <br />ND <br />I ug/L <br />1300*1- <br />Pass <br />ND=Non-Detected. ** Califomia Title 22, Section 64672.3 <br />Page 4 of 9 <br />