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DEL -TECH 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 May 22, 2025 <br />TIME 15:20 <br />LOCATION EW- 1 <br />SYSTEM ON <br />LINE YES <br />EW -2 <br />YES <br />EW- 3R <br />EW- 4 <br />EW- 5 G.A.C. <br />YES <br />YES <br />YES <br />METER # 08-08679-03 <br />08-08678-03 <br />08-08680-03 <br />09-00773-03 <br />12019001083 12019002786 <br />VESSEL #1 <br />VESSEL #2 <br />G.A.C. EFFLUENT <br />PRESSURES <br />8 <br />0 <br />G.A.C. UNIT <br />CONFIGURATION <br />LEAD <br />LAG <br />INFLUENT PRESSURE <br />( PSI) 90 <br />160 <br />100 <br />75 <br />100 40 <br />8 <br />ow <br />TOTALIZER N/A <br />N/A <br />N/A <br />N/A <br />61,207,991 18,034,150 <br />POWER METER4729 <br />28346 <br />35928 <br />NONE <br />NONE 73198 <br />SYSTEM FLOW <br />( GPM) N/A <br />N/A <br />N/A <br />N/A <br />98 382 <br />D.T.W. 71.00 <br />72.00 <br />59.60 <br />68.40 58.80 <br />115' <br />READINGS <br />TOTAL DEPTH 100' <br />118, <br />113' <br />FIELD PARAMETER <br />EXTRACTION WELLS <br />G.A.C. <br />SAMPLE EFFLUENT <br />PH <br />EW - 1 <br />YES <br />7.70 <br />EW -2 <br />7.39 <br />EW -3R <br />YES <br />7.55 <br />EW- 4 <br />YES <br />7.81 <br />EW- 5 <br />7.38 <br />INFLUENT <br />YES <br />7.31 <br />MIDPOINT <br />7.38 <br />EFFLUENT <br />YES <br />7.29 <br />E.C. <br />483 <br />663 <br />695 <br />265 <br />598 <br />581 <br />580 <br />581 <br />TEMP. <br />15.8 <br />19.6 <br />16.8 <br />17.7 <br />18.7 <br />20.5 <br />20.7 <br />21.0 <br />O.R.P. <br />82 <br />166 <br />181 <br />85 <br />174 <br />65 <br />65 <br />60 <br />T.D.S (mg/L) <br />325 <br />448 <br />470 <br />169 <br />405 <br />393 <br />389 <br />391 <br />TURBIDITY <br />7 <br />18 <br />4 <br />3 <br />5 <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 40 psi. <br />SIGNED: <br />y-(-.. ._:...., -Fb. M �`/ - <br />