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6EL—TEC H DEL-TECH GEOTECHNICAL SUPPORT SERVICES,INC. 7 MONITORING WELL FIELD LOG 2026 SAMPLE LOCATION/AMW- 41M DATE: 1/28/2026 PROJECT NAME: FORWARD LANDFILL ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 9999 S AUSTIN ROAD SAMPLE TIME: 14:29 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 55.75 FEET CALL.PURGE VOLUME: 10.38 GALLONS DEPTH OF WELL: feet.100th's 119.35 FEET TOTAL VOLUME PURGED: 36.00 GALLONS STANDING WATER COLUMN: 63.60 FEET DEPTH OF PUMP: — 118 FEET FIELD PARAMETERS TIME FULL WET ACTUAL DEPTH PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY WELL CASING GALLONS TO RATE OXYGEN VOLUME (GAL.) PURGED WATER (GPM) (units) (us/cm) (Celsius) (Mvolts) (PPM) (N.T.U.) 13:52 10.38 0.0 14:04 12.0 56.15 1.0 7.90 598 15.6 10 14:10 6.0 56.15 7.83 598 15.7 17 14:16 6.0 56.15 7.78 596 15.7 9 14:22 6.0 56.15 7.73 1 594 1 15.7 8 14:28 6.0 56.15 7.70 592 15.7LJ I 1 10 14:29 SAMPLED PURGE METHOD: STANDARD WATERRA INERTIAL PUMP. SAMPLE METHOD: DEDICATED WATERRA TUBING. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 56.15' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: CLEAR/WINDY 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