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V L L— l L V 13 DEL -TECH GEOTECHNICAL SUPPORT SERVICES, INC. <br />(209) 232-7967 (OFFICE) * cassandra@deltechl.com (Email) <br />SITE: FORWARD LANDFILL / MANTECA, CA. <br />AUSTIN & FORWARD MONTHLY MONITORING LOG 2025 <br />GROUNDWATER TREATMENT FACILITY - PUMPING SYSTEM & G.A. C. SYSTEM <br />DATE Aril 9, 2025 <br />TIME 14:00 <br />LOCATION EW - 1 <br />SYSTEM ON <br />LINE YES <br />EW -2 <br />YES <br />EW- 3R <br />YES <br />EW- 4 <br />YES <br />EW- 5 <br />YES <br />G.A.C. <br />YES <br />METER # 08-08679-03 <br />08-08678-03 <br />08-08680-03 <br />09-00773-03 <br />12019001083 <br />12019002786 <br />VESSEL #1 <br />8 <br />LEAD <br />VESSEL #2 <br />G.A.C. EFFLUENT <br />PRESSURES <br />0 <br />G.A.C. UNIT <br />CONFIGURATION <br />LAG <br />INFLUENT PRESSURE <br />( PSI) 80 <br />160 <br />75 <br />65 <br />95 <br />22 <br />10 <br />TOTALIZER 1,573,460 <br />9,365,470 <br />607,510 <br />4,371,190 <br />54,402,598 <br />91,581,269 <br />POWER METER 93492 <br />11036 <br />13817 <br />NONE <br />NONE <br />72974 <br />SYSTEM FLOW <br />( GPM) 60 <br />80 <br />80 <br />40 <br />108 <br />414 <br />70.80 <br />68.80 <br />57.50 <br />67.00 <br />57.20 <br />TOTAL DEPTH 100' <br />Ph <br />118' <br />113' <br />115' <br />FIELD PARAMETER <br />READINGS <br />EXTRACTION WELLS <br />G.A.C. <br />SAMPLE EFFLUENT <br />PH <br />EW - 1 <br />7.48 <br />EW -2 <br />7.29 <br />EW -3R <br />7.39 <br />EW- 4 <br />7.41 <br />EW- 5 <br />7.17 <br />INFLUENT <br />7.49 <br />MIDPOINT <br />YES <br />7.34 <br />EFFLUENT <br />S <br />7.22 <br />E.C. <br />486 <br />601 <br />686 <br />240 <br />573 <br />563 <br />554 <br />557 <br />TEMP. <br />15.7 <br />18.7 <br />16.9 <br />16.9 <br />18.7 <br />21.2 <br />19.9 <br />19.9 <br />O.R.P. <br />136 <br />253 <br />256 <br />230 <br />259 <br />237 <br />240 <br />268 <br />T.D.S (mg/L) <br />330 <br />412 <br />473 <br />156 <br />390 <br />379 <br />370 <br />376 <br />TURBIDITY <br />2 <br />2 <br />4 <br />2 <br />4 <br />2 <br />2 <br />2 <br />COLOR <br />CLEAR <br />CLEAR <br />CLEAR <br />CLEAR <br />CLEAR <br />CLEAR <br />CLEAR <br />CLEAR <br />NOTES <br />INFLUENT WATER IS CURRENTLY FLOWING STRAIGHT THROUGH TO CARBON VESSELS, AND ALSO <br />FLOWING THROUGH FILTERS. PRESSURE AT FILTER HOUSINGS WAS AROUND 20 psi. <br />SIGNED: <br />4 _, t ..-._, +t . m a.o�--- <br />