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QEL-TECH DEL-TECH GEOTECHNICAL SUPPORT SERVICES, INC. MONITORING WELL FIELD LOG 2026 SAMPLE LOCATION/AMW- 64 DATE: 2/3/2026 PROJECT NAME: FORWARD LANDFILL ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 9999 S AUSTIN ROAD SAMPLE TIME: 12:10 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: _:f_-�-� -u• fT"' -- -- 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) 63.63 FEET CALL.MICRO PURGE TUBE VOLUME: 0.75 GALLONS DEPTH OF WELL: (feet.100th's) 82.50 FEET TOTAL VOLUME PURGED: 2.50 GALLONS STANDING WATER COLUMN: 18.87 FEET DEPTH OF PUMP: 74 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) (Vlvolts) (PPM) (N.T.U.) 11:44 0.75 0.0 11:49 0.50 63.72 0.10 7.42 1412 18.5 8 11:54 0.50 63.72 7.41 1402 18.5 6 11:59 90 0.50 63.72 7.40 1400 18.4 5 12:04 0.50 63.72 7.39 1400 18.4 5 12:09 0.50 63.72 7.44 1400 18.4 1 5 12:10 SAMPLED PURGE METHOD: MICRO-PURGE PORTABLE 2"GRUNDFOS SUBMERSIBLE PUMP. SAMPLE METHOD: PORTABLE 2"GRUNDFOS SUBMERSIBLE PUMP. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 63.72' 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: CLEAR/COLD WIND: NONE QUALITY CONTROL: WATER DEPTH METER&MONITORING PROBE CLEANED WITHALCONOX SOAP AND WATER. NEWNITRILE GLOVES. CONTAINMENT: NONE I TO THE GROUND SURFACE. INSTRUMENTATION: MYRON 6P MULTI METER HANNA TURBIDITY METER HERON D.T.W.METER