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c L-T E c DEL-TECH GEOTECHNICAL SUPPORT SERVICES,INC. <br /> (209)232-7967 (OFFICE) cassandra@deltech1.com (EMAIL) <br /> SITE: FORWARD LANDFILL/MANTECA, CA. <br /> AUSTIN&FORWARD MONTHLY MONITORING LOG 2026 <br /> GROUNDWATER TREATMENT FACILITY-PUMPING SYSTEM&G.A.C.SYSTEM <br /> DATE May 25,2026 <br /> TIME 12:30 <br /> LOCATION EW-1 EW-2 EW-3R EW-4 EW-5 G.A.C. <br /> SYSTEM ON <br /> LINE YES YES YES <br /> METER# 08-08679-03 08-08678-03 08-08680-03 09-00773-03 12019001083 09-05971-04 <br /> VESSEL#1 VESSEL#2 <br /> G.A.C.EFFLUENT <br /> PRESSURES 0 2 <br /> G.A.C.UNIT <br /> CONFIGURATIONF LAG LEAD <br /> INFLUENT PRESSURE <br /> (PSI) 75 150 99 49 0 42 2 <br /> TOTALIZER 6,305,740 5,591,040 9,300,220 8,733,850 11,083,027 11,227,715 <br /> POWER METER 84059 54737 1 55833 NONE NONE 75796 <br /> SYSTEM FLOW <br /> (GPM) 60 0 70 40 112 389 <br /> PRESSURE AT FILTERS <br /> D.T.W. 78.00 84.40 59.20 71.30 61.60 50.0 <br /> TOTAL DEPTH 100, 118, 113' 115' da <br /> FIELD PARAMETER READINGS <br /> EXTRACTION WELLS G.A.C. <br /> EW-1 EW-2 EW-3 R EW-4 EW-5 INFLUENT MIDPOINT EFFLUENT <br /> SANIPLF EFFLUENT <br /> YES YES YEs7 YES YES YES YES YES <br /> PH <br /> 7.57 7.75 7.48 7.63 7.49 7.32 7.20 7.30 <br /> E.C. <br /> 506 628 662 308 635 426 425 422 <br /> TEMP. <br /> 16.2 19.3 17.2 17.2 21.7 20.1 20.1 19.9 <br /> T.D.S(mg/L) <br /> 345 430 454 204 432 286 286 285 <br /> TURBIDITY <br /> 2 2 2 1 2 1 1 1 <br /> COLOR <br /> CLEAR CLEAR CLEAR I CLEAR CLEAR CLEAR CLEAR CLEAR <br /> INFLUENT WATER IS CURRENTLY FLOWING STRAIGHT THROUGH TO CARBON VESSELS,AND ALSO <br /> NOTES FLOWING THROUGH FILTERS.QUARTERLY EW SAMPLES WERE COLLECTED DURING THIS EVENT. QCFB <br /> &QCTB WAS TAKEN HERE.FLOW METERS FOR EW-1,EW-2,EW-3R,&EW-4 WERE REMOVED AFTER <br /> COLLECTING MEASUREMENTS FOR THEIR ANNUAL CALIBRATION. <br /> SIGNED: m-L..--- <br />