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December 22,2020 Lab ID : STK2056526 <br /> Luhdorff& Scalmanini, Consulting Eng. Customer : 3-12023 <br /> Quality Control - Inorganic <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> Metals <br /> Potassium 300.7 (VI 2049339-011) MSD mg/L 12.00 97.0% 75-125 <br /> MSRPD m 4000 10.1% :520.0 <br /> 300.7 11/25/20:219019AC CCV ppm 25.00 93.8% 90-110 <br /> CCB ppm -0.04 1 <br /> CCV ppm 25.00 95.3% 90-110 <br /> CCB ppm -0.02 1 <br /> CCV ppm 25.00 96.8% 90-110 <br /> CCB ppm -0.007 I <br /> Sodium 300.7 MS mg/L 12.00 59.6% <'/n <br /> (VI 2049339-011) MSD mg/L 1-100 90.0% 75-125 <br /> MSRPD mg/L 4000 4.1% :520.0 <br /> 200.7 11/25/20:219019AC CCV ppm 35.00 94.7% 90-110 <br /> CCB ppm 0.08 1 <br /> CCV ppm 25.00 95.8% 90-110 <br /> CCB ppm 0.04 1 <br /> CCV ppm 25.00 97.5% 90-110 <br /> CCB ppm 0.008 1 <br /> Linc 200.7 MS ug/L 800.0 101% 75-125 <br /> (VI 2049339-011) MSD ug/L 800.0 87.4% 75-125 <br /> MSRPD ug/L 4000 13.9% :520.0 <br /> 200.7 11/25/20:219019AC CCV ppm 1.000 99.1% 90-110 <br /> CCB ppm -0.0011 0.02 <br /> CCV ppm 1.000 102% 90-110 <br /> CCB ppm 0.0006 0.02 <br /> CCV ppm 1.000 104% 90-110 <br /> CCB ppm -0.0005 0.02 <br /> Wet Chem <br /> Alkalinity(as CaCO3) 2320B STK2056472-002 Dup mg/L 1.0% 10 <br /> 2320B 12/05/20:219438AMM CCV mg/L 235.8 100% 90-110 <br /> CCV mg/L 235.8 93.4% 90-110 <br /> Bicarbonate 2320B STK2056472-002 Dup mg/L 1.1% 10 <br /> Carbonate 2320B STK2056472-002) Dup mg/L 0.0 10 <br /> Hydroxide 2320B STK2056472-002 Dup mg/L 0.0 10 <br /> Conductivity 2510B 12/07/20:219457STA ICB umhos/cm 0.07 1 <br /> CCV umhos/cm 999.0 100% 95-105 <br /> CCV umhos/cm 999.0 100% 95-105 <br /> 2510B 12/17/20:220087STA ICB umhos/cm 0.09 l <br /> CCV umhos/cm 999.0 96.9% 95-105 <br /> CCV umhos/cm 999.0 96.3% 95-105 <br /> E.C. 2510B 12/07/20:214325sta Blank umhos/cm ND <I <br /> SP 2016428-004) Dup I umhos/cm 0.3% 5 <br /> 2510B 12/17/20:214795sta Blank umhos/cm ND <1 <br /> SP 2017192-001 Du umhos/cm 0.04% 5 <br /> Total Dissolved Solids(TFR) 2540CE 1 l/30/20:214057CTL rD <br /> mg/L ND <20 <br /> mg/L 993.5 99.2% 90-110 <br /> (SP 2016336-003) mg/L 1.8% 5 <br /> SP 2016336-003 m L 2.7% 5hloride 300.0 11/25/20:214055JMR mg/L ND <l <br /> mg/L 25.00 99.0% 90-110 <br /> MS mg/L 50.00 98.9% 85-121 <br /> (VI 2049248-001) MSD mg/L 50.00 98.8% 85-121 <br /> MSRPD mg/L 10.00 0.1% :519 <br /> MS mg/L 50.00 96.9% 85-121 <br /> (STK2056487-001) I MSD I mg/L 1 50.00 1 97.0% 1 85-121 <br /> Page 9 of 11 <br />