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5EUTEC H DEL-TECH GEOTECHNICAL SUPPORT SERVICES, INC. MONITORING WELL FIELD LOG 2026 SAMPLE LOCATION/AMW- 50S DATE: 2/5/2026 PROJECT NAME: FORWARD LANDFILL ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 9999 S AUSTIN ROAD SAMPLE TIME: 10:54 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: u it" 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 63.00 FEET CALC.MICRO PURGE TUBE VOLUME 0.23 GALLONS DEPTH OF WELL: feet.100th's 90.20 FEET TOTAL VOLUME PURGED: 2.50 GALLONS STANDING WATER COLUMN: 27.20 FEET DEPTH OF PUMP: 89.2 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 01T.W.) (GPM) (units) (us/cm) (Celsius) (Mvolts) (PPM) (N.T.U.) 10:28 0.23 0.0 10:33 0.50 63.20 0.10 7.50 1064 19.7 1 10:38 0.50 63.20 7.48 1052 19.3 1 10:43 0.50 63.20 7.49 1052 19.2 1 10:48 0.50 63.20 7.48 1050 19.3 1 10:53 0.50 63.20 7.50 1051 19.1 1 10:54 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: 63.20' 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 DEPTHMETER&MONITORING PROBE CLEANED WITHALCONOX SOAP AND WATER. NEWNITRILE GLOVES. CONTAINMENT: NONE/TO THE GROUND SURFACE. INSTRUMENTATION: MYRON 6P MULTI METER HANNA TURBIDITY METER HERON D.T.W.METER