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dEL-TECH DEL-TECH GEOTECHNICAL SUPPORT SERVICES, INC. MONITORING WELL FIELD LOG 2026 SAMPLE LOCATION/AMW- 35S DATE: 2/5/2026 PROJECT NAME: FORWARD LANDFILL ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 9999 S AUSTIN ROAD SAMPLE TIME: 14:11 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: FLUSH SAMPLER: DEL-TECH/MANUEL MORENO WELL CASING MATERIAL: PVC SIGNED: WELL CASING DIAMETER: 4" / 0.6528 SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE TOP OF CASING ELEVATION: MSL COLOR: CLEAR DEPTH TO WATER: (feet.100th's) 87.80 FEET CALC.MICRO PURGE TUBE VOLUME: 0.26 GALLONS DEPTH OF WELL: (feet.100th's) 105.00 FEET TOTAL VOLUME PURGED: 2.50 GALLONS STANDING WATER COLUMN: 17.20 FEET DEPTH OF PUMP: - 103 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) ((elsius) (Mvolts) (PPM) (N.T.U.) 13:45 0.26 0.0 13:50 0.50 87.90 0.10 7.94 980 20.1 2 13:55 0.50 87.90 7.81 983 19.4 4 14:00 0.50 87.90 7.78 992 19.0 2 14:05 0.50 87.90 7.81 989 18.9 2 14:10 0.50 87.90 7.76 988 1 18.9 3 14:11 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: 87.90' 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 MULT1 METER HANNA TURBIDH'Y METER HERON D.T.W.METER