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OEL-TECH DEL-TECH GEOTECHNICAL SUPPORT SERVICES,INC. MONITORING WELL FIELD LOG 2026 SAMPLE LOCATION/AMW- 43M DATE: 1/28/2026 PROJECT NAME: FORWARD LANDFILL ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 9999 S AUSTIN ROAD SAMPLE TIME: 11:31 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 56.65 FEET CALC.PURGE VOLUME: 9.19 GALLONS DEPTH OF WELL: feet.100th's 112.98 FEET TOTAL VOLUME PURGED: 20.00 GALLONS STANDING WATER COLUMN: 56.33 FEET DEPTH OF PUMP: -111 FEET FIELD PARAMETERS TIME FULL WET ACTUAL DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY WELL CASING GALLONS DOWN RATE OXYGEN VOLUME (GAL.) PURGED (D.T.W.) (GPM) (units) (us/cm) (Celsius) (Mvolts) (PPM) (N.T.U.) 11:00 9.19 0.0 11:10 10.0 57.40 1.0 7.88 456 15.6 5 11:15 7U- 5.0 57.40 7.86 465 15.6 5 11:20 5.0 57.40 7.82 479 15.6 4 11:25 5.0 57.40 7.80 487 15.7 5 11:30 5.0 57.40 7.83 489 15.6 5 11:31 SAMPLED PURGE METHOD: STANDARD WATERRA INERTIAL PUMP. SAMPLE METHOD: DEDICATED WATERRA TUBING. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 57.40' 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