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Pacific Surveys <br /> a full service geophysical well logging company <br /> Water Quality Analysis <br /> Company: Bradley&Sons, Inc. Date: 17-Aug-22 <br /> Well: Stewart MW Run: One <br /> Field: Lathrop Job Ticket: 29945 <br /> State: California Total Depth: 800 ft <br /> Rmf @ Temp: 4.0 Temp: 82.3 <br /> Corrected Rmf @ 75 degree F: 4.4 <br /> Rm @ Temp: 4.3 <br /> S.P. Rwe Rw NaCl Rw NaHCO3 Sp. Cond. (pS/cm) T.D.S (ppm) Remarks <br /> Depth mV ohm-m ohm-m ohm-m NaCl NaHCO3 NaCl NaHCO3 <br /> 149 ft to 290 ft -26.00 1.9 1.8 2.1 5629.6 4785.2 2983.7 4785.2 Class III &IV <br /> 357 ft to 438 ft -35.00 1.4 1.2 1.5 8066.3 6856.4 4275.2 6856.4 Class III &IV <br /> 438 ft to 645 ft -52.00 0.8 0.6 0.7 15911.5 13524.8 8433.1 13524.8 Class IV <br /> 656 ft to 765 ft -35.00 1.4 1.2 1.5 8066.3 6856.4 4275.2 6856.4 Class III &IV <br /> NaCI TDS (ppm) <br /> 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 <br /> 149 to 290 ■NaCl TDS<500 <br /> ■500<NaCITDS<1000 <br /> 1000<NaCITDS<1500 <br /> 357 to 438 ■NaCl TDS>1500 <br /> a) <br /> Qi <br /> t <br /> Q438 to 645 <br /> N <br /> 656 to 765 <br /> 1111111111111111111111 1111111111111111L...........1..nm <br /> Class I - Less than 500 ppm (mg/1) or 900 NS/cm -Below California Secondary MCL Recommended Limit <br /> Class II - Less than 1000 ppm (mg/1) or 1600 pS/cm -Below California Secondary MCL Upper Limit <br /> Class III -Less than 1500 ppm (mg/1) or 2200 NS/cm -Below California Secondary MCL Short Term Limit <br /> Class IV-Greater than 1500 ppm (mg/1) or 2200 NS/cm -Exceeds California Secondary MCL Short Term Limit <br /> MCL -Maximum Contaminant Level <br /> This interpretation represents our best judgement based on given values. Since all interpretations are opinions based solely on interference from <br /> electrical and other measurements, we can not and do not guarantee the accurancy or correctness of this interpretation and shall not be liable for <br /> any cost,damages or expenses that may be incurred from this or any other interpretation. <br /> 1785 W,Arrow Route <br /> 800.919.7555 Bldg D,Suite 3 and 4 fax:909.399.3018 <br /> 909.625.6262 Upland, CA 91786 <br />