Laserfiche WebLink
November 12, 2025 <br />San Joaquin County EHD <br />Lab No. : STK2556626 <br />Customer No. :3017919 <br />Quality Control - Wet Chem <br />Page 7 of 8 Page 7 of 8 <br />Wet Chem <br />Alkalinity (as CaCO3) <br />2320B <br />(CC 2583702-001) <br />Dup <br />mg/L <br />0.3% <br />10 <br />Bicarbonate <br />2320B <br />(CC 2583702-001) <br />Dup <br />mg/L <br />0.3% <br />10 <br />Carbonate <br />2320B <br />(CC 2583702-001) <br />Dup <br />mg/L <br />0% <br />10 <br />E. C. <br />2320B <br />(CC 2583702-001) <br />Dup <br />umhos/cm <br />0.6% <br />5 <br />Hydroxide <br />2320B <br />(CC 2583702-001) <br />Dup <br />mg/L <br />0% <br />10 <br />Solids, Total Dissolved <br />2540CE <br />10/29/2025:212111CTL <br />Blank <br />mg/L <br />ND <br /><20 <br />LCS <br />mg/L <br />991.1 <br />103% <br />90-110 <br />(SP 2518513-003) <br />Dup <br />mg/L <br />0.8% <br />5 <br />(SP 2518513-003) <br />Dup <br />mg/L <br />1.08% <br />5 <br />Chloride <br />300.0 <br />11/04/2025:212399LDM <br />Blank <br />mg/L <br />ND <br /><1 <br />LCS <br />mg/L <br />25.00 <br />102% <br />90-110 <br />MS <br />mg/L <br />50.00 <br />93.8% <br />67-117 <br />(VI 2547695-001) <br />MSD <br />mg/L <br />50.00 <br />94.2% <br />67-117 <br />MSRPD <br />mg/L <br />0.2% <br />157 <br />MS <br />mg/L <br />50.00 <br />86.1% <br />67-117 <br />(SP 2518513-001) <br />MSD <br />mg/L <br />50.00 <br />86.8% <br />67-117 <br />MSRPD <br />mg/L <br />0.3% <br />:57 <br />Fluoride <br />300.0 <br />11/04/2025:212399LDM <br />Blank <br />mg/L <br />ND <br /><0.1 <br />LCS <br />mg/L <br />2.500 <br />106% <br />90-110 <br />MS <br />mg/L <br />5.000 <br />105% <br />89-111 <br />(VI 2547695-001) <br />MSD <br />mg/L <br />5.000 <br />105% <br />89-111 <br />MSRPD <br />mg/L <br />0.1% <br />:59 <br />MS <br />mg/L <br />5.000 <br />104% <br />89-111 <br />(SP 2518513-001) <br />MSD <br />mg/L <br />5.000 <br />104% <br />89-111 <br />MSRPD <br />mg/L <br />0.0% <br />:59 <br />Sulfate <br />300.0 <br />11/04/2025:212399LDM <br />Blank <br />mg/L <br />ND <br /><0.5 <br />LCS <br />mg/L <br />50.00 <br />102% <br />90-110 <br />MS <br />mg/L <br />100.0 <br />97.7% <br />18-165 <br />(VI 2547695-001) <br />MSD <br />mg/L <br />100.0 <br />98.0% <br />18-165 <br />MSRPD <br />mg/L <br />0.2% <br />_<7 <br />MS <br />mg/L <br />100.0 <br />92.6% <br />18-165 <br />(SP 2518513-001) <br />MSD <br />mg/L <br />100.0 <br />93.9% <br />18-165 <br />MSRPD <br />mg/L <br />0.7% <br />:_7 <br />Nitrate <br />4500NO3F <br />10/28/2025:212073MM1 <br />Blank <br />mg/L <br />ND <br /><0.4 <br />LCS <br />mg/L <br />11.22 <br />100% <br />80-120 <br />MS <br />mg/L <br />5.609 <br />97.2% <br />66-125 <br />(SP 2518410-001) <br />MSD <br />mg/L <br />5.609 <br />100% <br />66-125 <br />MSRPD <br />mg/L <br />1.6% <br />:530.4 <br />Nitrate + Nitrite as N <br />4500NO3F <br />10/28/2025:212073MM1 <br />Blank <br />mg/L <br />ND <br /><0.4 <br />LCS <br />mg/L <br />11.22 <br />100% <br />80-120 <br />MS <br />mg/L <br />5.609 <br />97.2% <br />66-125 <br />(SP 2518410-001) <br />MSD <br />mg/L <br />5.609 <br />100% <br />66-125 <br />MSRPD <br />mg/L <br />1.6% <br />:530.4 <br />Nitrate Nitrogen <br />4500NO3F <br />10/28/2025:212073MMI <br />Blank <br />mg/L <br />ND <br /><0.4 <br />LCS <br />mg/L <br />11.22 <br />100% <br />80-120 <br />MS <br />mg/L <br />5.609 <br />97.2% <br />66-125 <br />(SP 2518410-001) <br />MSD <br />mg/L <br />5.609 <br />100% <br />66-125 <br />.MSRPD <br />mg/L <br />1.6% <br />:530.4 <br />Nitrite as Nitrogen <br />4500NO3F <br />10/28/2025:212095MM1 <br />Blank <br />mg/L <br />ND <br /><0.2 <br />LCS <br />mg/L <br />1.218 <br />103% <br />80-120 <br />Page 7 of 8 Page 7 of 8 <br />