Laserfiche WebLink
June 9, 2026 <br /> San Joaquin County EHD Lab No. : STK2637086 <br /> Customer No. : 3017919 <br /> Quality Control - Wet Chem <br /> Wet Chem <br /> Alkalinity(as CaCO3) 2320B (VI 2643439-003) Dup mg/L 0.5% 10 <br /> Bicarbonate 2320B (VI 2643439-003) Dup mg/L 0.6% 10 <br /> Carbonate 2320B (VI 2643439-003) Dup mg/L 7.14% 10 <br /> E.C. 2320B (VI 2643439-003) Dup umhos/cm 0.6% 5 <br /> Hydroxide 2320B (VI 2643439-003) Dup mg/L 0% 10 <br /> Solids,Total Dissolved 2540CE 05/19/2026:20554OCTL Blank mg/L ND <20 <br /> LCS mg/L 990.5 98.7% 90-110 <br /> (VI2643430-004) Dup mg/L 1.96% 5 <br /> (VI2643430-004) Dup mg/L 2.12% 5 <br /> Chloride 300.0 05/28/2026:205954LDM Blank mg/L ND <1 <br /> LCS mg/L 25.00 94.5% 90-110 <br /> MS mg/L 50.00 100% 67-117 <br /> (STK2637088-001) MSD mg/L 50.00 100% 67-117 <br /> MSRPD mg/L 0.1% :57 <br /> MS mg/L 50.00 69.7% 67-117 <br /> (SP 2610211-001) MSD mg/L 50.00 71.8% 67-117 <br /> MSRPD mg/L 0.9% 57 <br /> Fluoride 300.0 05/28/2026:205954LDM Blank mg/L ND <0.1 <br /> LCS mg/L 2.500 92.7% 90-110 <br /> MS mg/L 5.000 103% 89-111 <br /> (STK2637088-001) MSD mg/L 5.000 103% 89-111 <br /> MSRPD mg/L 0.1% :59 <br /> MS mg/L 5.000 101% 89-111 <br /> (SP 2610211-001) MSD mg/L 5.000 101% 89-111 <br /> MSRPD mg/L 0.1% :59 <br /> Sulfate 300.0 05/28/2026:205954LDM Blank mg/L ND <0.5 <br /> LCS mg/L 50.00 94.5% 90-110 <br /> MS mg/L 100.0 100% 18-165 <br /> (STK2637088-001) MSD mg/L 100.0 100% 18-165 <br /> MSRPD mg/L 0.1% :57 <br /> MS mg/L 100.0 90.4% 18-165 <br /> (SP 2610211-001) MSD mg/L 100.0 90.7% 18-165 <br /> MSRPD mg/L 0.2% 57 <br /> Nitrate 450ONO3F 05/15/2026:205384MM1 Blank mg/L ND <0.4 <br /> LCS mg/L 11.22 94.3% 80-120 <br /> MS mg/L 5.609 92.9% 66-125 <br /> (CH 2674240-001) MSD mg/L 5.609 94.0% 66-125 <br /> MSRPD mg/L 1.0% :530.4 <br /> Nitrate+Nitrite as N 450ONO3F 05/15/2026:205384MM1 Blank mg/L ND <0.4 <br /> LCS mg/L 11.22 94.3% 80-120 <br /> MS mg/L 5.609 92.9% 66-125 <br /> (CH 2674240-001) MSD mg/L 5.609 94.0% 66-125 <br /> MSRPD mg/L 1.0% :530.4 <br /> Nitrate Nitrogen 450ONO3F 05/15/2026:205384MM1 Blank mg/L ND <0.4 <br /> LCS mg/L 11.22 94.3% 80-120 <br /> MS mg/L 5.609 92.9% 66-125 <br /> (CH 2674240-001) MSD mg/L 5.609 94.0% 66-125 <br /> MSRPD mg/L 1.0% :530.4 <br /> Nitrite as Nitrogen 450ONO3F 05/15/2026:205415MM1 Blank mg/L ND <0.2 <br /> LCS mg/L 1.218 104% 80-120 <br /> Page 7 of 8 Page 7 of 8 <br />