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March 23, 2021 Lab ID : STK2133006 <br /> San Joaquin Co. Environmental Health Dep Customer : 3-17919 <br /> Quality Control -Inorganic <br /> Constituent Method Date/11) I')pc Units Conc. QC Data DQO Notc <br /> Metals <br /> Sodium 200.7 03/05/21:203281AC CCB ppul 0.02 1 <br /> inc 200.7 MS ug/L 800.0 94.9% 75-125 <br /> (STK2133006-001) MSD u9/L 800.0 100% 75-125 <br /> MSRPD U91L 800.0 5.2% 520.0 <br /> 200.7 03/05/21:203281 AC CCV ppm 1.000 103% 90-110 <br /> CCB ppm 0.00009 0.02 <br /> CCV ppm 1.000 97.6% 90-110 <br /> CCB ppul 0.0005 0.02 <br /> Wet Chem <br /> Alkalinity(as CaCO3) 2320B (STK2132990-001) Dup mg/L 1.6 10 <br /> 2320B 03/11/21:203753AMM CCV mg/L 235.8 98.6% 90-110 <br /> CCV mg/L 235.8 91.3% 90-110 <br /> Bicarbonate 2320B (STK2132990-001) Dup mg/L 2.0 10 <br /> Carbonate 2320B (STK2132990-001) Dup mg/L 0.0 10 <br /> Hydroxide 2320B (STK2132990-001) Dup mg1L 0.0 10 <br /> Conductivity 2510B 03/I1/21:203609sta ICB umhos/cm 0.18 1 <br /> ICV umhos/cm 999.0 99.3% 95-105 <br /> CCV umhos/cm 999.0 96.8% 95-105 <br /> E.C. 2510B 03/11/21:202671sta Blank umhos/cm ND <1 <br /> (CC 2180750-001) Dup umhos/cm 0.4% 5 <br /> Total Dissolved Solids(TFR) 2540CE 03/05/21:202436CTL Blank mg/L 5.1 20 <br /> LCS mg/L 995.0 98.7% 90-110 <br /> (SP 2103018-001) Dup mg/L 0.9% 5 <br /> (SP 2103018-001) Du m 5.5% 5 440 <br /> Chloride 300.0 03/04/21:202410MCA Blank mg/L ND <1 <br /> LCS mg/L 25.00 102% 90-110 <br /> MS mg/L 50.00 92.0% 85-121 <br /> (CH 2171418-001) MSD mg/L 50.00 90.2% 85421 <br /> MSRPD mg/L 10.00 1.0% :519 <br /> MS mg/L 50.00 85.4% 85-121 <br /> (VI 2141617-001) MSD mg/L 50.00 85.6% 85-121 <br /> MSRPD m 10.00 0.08% :519 <br /> 300.0 03/04/21:203298MCA ICB mg/L 0.10 1 <br /> ICV mg/L 25.00 103% 90-110 <br /> CCB mg/L 0.30 1 <br /> CCV In L 25.00 104% 90-110 <br /> Fluoride 300.0 03/04/21:202410MCA Blank mg/L ND <0.1 <br /> LCS mg/L 2.500 104% 90-110 <br /> MS mg/L 5.000 104% 87-120 <br /> (CH 2171418-001) MSD mg/L 5.000 102% 87-120 <br /> MSRPD mg/L 10.00 2.1% :516 <br /> MS mg/L 5.000 104% 87-120 <br /> (V12141617-001) MSD mg/L 5.000 104% 87-120 <br /> MSRPD m 10.00 0.1% 5516 <br /> 300.0 03/04/21:203298MCA ICB mg/L 0.015 0.1 <br /> ICV mg/L 2.500 104% 90-110 <br /> CCB mg/L 0.018 0.1 <br /> CCV mg/L 2.500 104% 90-110 <br /> Nitrate 300.0 03104/21:202410MCA Blank mg/L ND <0.4 <br /> LES mg/L 20.00 102% 90-110 <br /> MS mg/L 40.00 104% 85-119 <br /> (CH 2171418-001) MSD mg/L 40.00 102% 85-119 <br /> MSRPD mg/L 10.00 2.1% :519 <br /> MS I m 40.00 1 72.0% 1 85-119 1 435 <br /> Page 7 of 9 <br />