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a E L-TE C H <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES, INC. <br /> MONITORING WELL FIELD LOG 2026 <br /> SAMPLE LOCATION - CDCR-EW-1 DATE: 2/5/2026 <br /> PROJECT NAME: FORWARD LANDFILL ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 9999 S AUSTIN ROAD SAMPLE TIME: 14:42 <br /> CITY,STATE: MANTECA,CA. SAMPLE CONTAINERS: SEE CHAIN OF CUSTODY <br /> SITE CONTACT: OSVALDO CORDERO PRESERVATIVES: SEE CHAIN OF CUSTODY <br /> CONSULTANT: ARCADIS LAB.ANALYSIS BY: PACE ANALYTICAL <br /> PROJECT MANAGER: ARCADIS MONUMENT: POST <br /> SAMPLER: DEL-TECH/ANTONIO MORALES WELL CASING MATERIAL: PVC <br /> SIGNED: ' mow., u M­c WELL CASING DIAMETER: 6" / 1.4687 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: (feet.100th's) 57.30 FEET CALC.MICRO PURGE TUBE VOLUM 0.71 GALLONS <br /> DEPTH OF WELL: (feet.100th's) 100.50 FEET TOTAL VOLUME PURGED: 5.00 GALLONS <br /> STANDING WATER COLUMN: 43.20 FEET DEPTH OF PUMP: 70 FEET <br /> FIELD PARAMETERS <br /> TIME CALCULATED ACTUAL DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> SYSTEM GALLONS DOWN RATE OXYGEN <br /> VOLUME (GAL.) PURGED (D.T.W.) (GPM) (units) (us/cm) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 14:16 0.71 0.0 <br /> 14:21 1.0 57.55 0.20 7.63 986 19.4 17 <br /> 14:26 1.0 57.55 7.59 852 19.5 17 <br /> 14:31 1.0 57.55 7.54 828 19.2 10 <br /> 14:36 1.0 57.55 7.52 827 19.2 7 <br /> 14:41 L 1 1.0 57.55 7.50 825 19.2 5 <br /> 14:42 <br /> PURGE METHOD: MICRO-PURGE PORTABLE 2"GRUNDFOS SUBMERSIBLE PUMP. <br /> SAMPLE METHOD: PORTABLE 2"GRUNDFOS SUBMERSIBLE PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 57.55' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: READINGS EVERY 5 MINUTES-AFTER TUBING PURGE-NOT TO EXCEED 1 LITER PER MINUTE. <br /> WEATHER: PARTLY CLOUDY/COOL WIND: NONE <br /> QUALITY CONTROL: PUMP, WATER DEPTH METER,&MONITORING PROBE CLEANED WITHALCONOX SOAPAND <br /> WATER. NEWNITRILE GLOVES. <br /> CONTAINMENT: NONE/TO THE GROUND SURFACE. <br /> INSTRUMENTATION: MYRON 6P MULTI METER HANNA TURBIDITY METER <br /> HERON D.T.W.METER <br />