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mEL—TECH DEL-TECH GEOTECHNICAL SUPPORT SERVICES,INC. MONITORING WELL FIELD LOG 2026 SAMPLE LOCATION/MW-• •24 •DATE: 2/4/2026 PROJECT NAME: FORWARD LANDFILL ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 9999 S AUSTIN ROAD SAMPLE TIME: 15:16 CITY,STATE: MANTECA,CA. SAMPLE CONTAINERS: SEE CHAIN OF CUSTODY SITE CONTACT: OSVALDO CORDERO PRESERVATIVES: SEE CHAIN OF CUSTODY CONSULTANT: ARCADIS LAB.ANALYSIS BY: PACE ANALYTICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PROJECT MANAGER: ARCADIS MONUMENT: POST SAMPLER: DEL-TECH/MANUEL MORENO WELL CASING MATERIAL: PVC SIGNED: — `� WELL CASING DIAMETER: 2" / 0.1632 SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE TOP OF CASING ELEVATION: MSL COLOR: CLEAR DEPTH TO WATER: (feet.100th's) 49.75 FEET CALC.PURGE VOLUME: 2.34 GALLONS DEPTH OF WELL: (feet.100th's) 64.10 FEET TOTAL VOLUME PURGED: 6.00 GALLONS STANDING WATER COLUMN: 14.35 FEET DEPTH OF PUMP: N/A FEET FIELD PARAMETERS TIME CALCULATED ACTUAL DRAW PUMPING PH E.C. TEMP. DISSOLVED TURBIDITY PURGE GALLONS DOWN RATE OXYGEN VOLUME PURGED (D.T.W.) (GPM) (units) (us/cm) (Celsius) (PPM) (N.T.U.) 15:03 2.34 0.0 49.75 IL 15:06 ROUNDED UP 3.0 49.94 1.0 7.99 1161 18.2 4 15:09 3.0 49.94 7.93 1150 18.0 4 15:12 3.0 49.94 7.88 1152 18.0 4 15:15 3.0 49.94 7.89 1154 18 3.0 15:16 1 SAMPLED PURGE METHOD: WATERRA INERTIAL PUMP&DEDICATED TUBING. SAMPLE METHOD: WATERRA INERTIAL PUMP&DEDICATED TUBING. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 49.94' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: PARTLY CLOUDY/COOL WIND: NONE QUALITY CONTROL: WATER DEPTH METER&MONITORING PROBE CLEANED WITH ALCONOX SOAP AND WATER. NEW NITRILE GLOVES. CONTAINMENT: NONE/TO THE GROUND SURFACE. INSTRUMENTATION: MYRON 6P MULTI METER HANNA TURBIDITY METER HERON D.T.W.METER