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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 April 30,2026 <br /> TIME 9:41 <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 0 <br /> G.A.C.UNIT <br /> CONFIGURATION LAG LEAD <br /> INFLUENT PRESSURE <br /> (PSI) 90 150 75 45 85 0 19 <br /> TOTALIZER 4,232,860 5,591,060 7,054,870 7,273,400 8,429,990 99,386,904 <br /> POWER METER 78501 45532 1 47345 NONE NONE 75196 <br /> SYSTEM FLOW <br /> (GPM) 70 0 80 40 113 443 <br /> PRESSURE AT FILTERS <br /> D.T.W. 76.40 85.30 59.00 69.70 59.20 30.0 <br /> TOTAL DEPTH 100, 118, 113' 115' da All <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 /> SAMPLE EFFLI;Fl. <br /> YES YES YES <br /> PH <br /> 7.48 7.58 7.70 7.67 7.60 7.68 7.68 7.55 <br /> F.C. 467 567 605 290 595 529 532 535 <br /> TEMP. <br /> 16.4 19.0 17.6 16.8 18.7 19.6 19.5 20.0 <br /> T.D.S(mg/L) 332 403 433 200 426 374 375 379 <br /> TURBIDITY 2 2 2 3 3 3 2 2 <br /> COLOR <br /> CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR <br /> INFLUENT WATER IS CURRENTLY FLOWING STRAIGHT THROUGH TO CARBON VESSELS,AND ALSO <br /> NOTES FLOWING THROUGH FILTERS. PRESSURE AT FILTER HOUSINGS WAS 30 psi. QCFB&QCTB WAS TAKEN <br /> HERE. THE FLOW METER AT EW-2 IS NOT WORKING PROPERLY. <br /> SIGNED: —�` <br />