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DEL-TECH DEL-TECH GEOTECHNICAL SUPPORT SERVICES, INC. MONITORING WELL FIELD LOG 2026 SAMPLE LOCATION/AMW 59S DATE: 2/9/2026 PROJECT NAME: FORWARD LANDFILL ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 9999 S AUSTIN ROAD SAMPLE TIME: 10:50 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/ANTONIO MORALES WELL CASING MATERIAL: PVC SIGNED: -_ ' -w• is` 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) 58.82 FEET CALC.MICRO PURGE TUBE VOLUM 0.19 GALLONS DEPTH OF WELL: (feet.100th's) 77.90 FEET TOTAL VOLUME PURGED: 2.50 GALLONS STANDING WATER COLUMN: 19.08 FEET DEPTH OF PUMP: 76.9 FEET FIELD PARAMETERS TIME CALCULATED ACTUAL DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY SYSTEM GALLONS DOWN RATE OXYGEN VOLUME (GAL.) PURGED (D.T.W.) (GPM) (units) (us/cm) (Celsius) (Mvolts) (PPM) (N.T.U.) 10:24 0.19 0.0 10:29 0.50 59.00 0.10 7.86 801 18.7 0 10:34 0.50 59.90 7.78 801 19.0 1 10:39 0.50 59.90 7.87 800 19.0 1 10:44 0.50 59.90 7.79 801 19.0 0 10:49 1 0.50 1 59.90 7.79 806 18.8 0 10:50 SAMPLED PURGE METHOD: MICRO-PURGE QED BLADDER PUMP/MICRO PURGE/1/4" DISCHARGE TUBING SAMPLE METHOD: QED BLADDER PUMP/MICRO PURGE/1/4" DISCHARGE TUBING D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 59.90' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: READINGS EVERY 5 MINUTES-AFTER TUBING PURGE-NOT TO EXCEED 1 LITER PER MINUTE. WEATHER: PARTLY CLOUDY/COOL WIND: NONE QUALITY CONTROL: WATER DEPTH METER&MONITORING PROBE CLEANED WITH ALCONOX SOAP AND WATER. NEWNITRILE GLOVES. CONTAINMENT: NONE/TO THE GROUND SURFACE. INSTRUMENTATION: MYRON 6P MULTI METER HANNA TURBIDITY METER HERON D.T.W.METER