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7r-F i 1 3 <br /> DEL-TECHGEOTECHNICALSUPPORT SERVICES, INC. <br /> MONITORING WELL FIELD LOG 2012 <br /> SAMPLE 'OCATION r MW- 8D DATE: 3/23/2012 <br /> PROJECT NAME: OLIVAREZ PROPERTY ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 300 S.CALIFORNIA STREET SAMPLE TIME: 11:38 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 VO.A.'s <br /> SITE CONTACT: NONE PRESERVATIVES: HCL <br /> CONSULTANT: FOOTHILL ENGINEERING LAB.ANALYSIS BY- CASTLE <br /> PROJECT MANAGER: MIKE VLACH MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH/ASHLEY LIGHT WELL CASING MATERIAL: PVC <br /> SIGNED: WELL CASING DIA.: 2" l 0.1632_ <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A MUSTY <br /> TOP OF CASING ELEVATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: (fect.100th's) 29.10 FEET I CALC.PURGE VOJ... 11.69 GAL. <br /> DEPTI I OF WELL: (feet.100th's) 100.70 FEET TOTAL VOLUME PURGED- 35 GAL. <br /> STANDING WATER COLUMN: 71.60 FEET DEPTH OF PUMP: 99 FEET <br /> FIELD PARAMETERS <br /> TIME CASING <br /> ACTUAL DRAW PUMPING PH E.C. TEMP O.R.P. DISSOLVED COLOR <br /> PURGED I I OXYGEN <br /> VOLIJAM VOLUME DOWN RATE N <br /> PER PURGE (D.TW�) (GPlNl/LPM) (units) (aslem) (Celsius} (mvolts) (ppm) <br /> 0 0 N/A 1.0 GPM 7.54 2042 20,7 -47 0.9 CLEAR <br /> 11.69 11.5 11 11 7,60 1996 20.5 -7 1.0 <br /> 23.37 23 7.52 1992 20.8 12 1.3 <br /> 35,06 34,5 7.54 2002 20.5 15 1.2 <br /> PURGE METHOD: DEDICATED WATERRA TUBING&PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA TUBING, <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 29,12' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. LOCK INSTAI.1,FD. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES/WARM. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT WAS CLEANED AS NECESSARY <br /> DEDICATED PURGE TUBING IS INSTALLED IN EACH WELL. <br /> CONTAINMENT: D.O.T.17 55 GAL.STEEL DRUMOR 60 GAL.POLY DI?UA1 <br /> INSTRUMENTATION: Y.S.I.556 TAULTIPROBE SYSTEM Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER <br /> 67 of 82 <br />