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DEL-TECH GEOTECHNICAL SUPPORT SERVICES, INC. <br /> MONITORING WELL FIELD LOG 2009 <br /> SAMPLE LOCATION/MW- 2 DATE: 3/6/2009 <br /> PROJECT NAME: S14ADOW LAKE LLCS ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 9622 NORTHRIDGE WAY SAMPLE TIME: 10.16 <br /> CITY,STATE: STOCKTON.CA. SAMPLE,CONTAINERS: SEE CHAIN OF CUSTODY <br /> SITE CONTACT: PARK MANAGER PRESERVATIVES: SEE CHAIN OF CUSTODY <br /> CONSULTANT: RMC GEOSCIENCE LAB.ANALYSIS BY: ARGON <br /> PROJECT MANAGER: RICK MITCHELL MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH/ASHLEY LIGHT WELL CASING MATERIAL: PVC <br /> SIGNED: "` °-y =u)h.r WELL CASING DIA.: 2" I 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: NIA NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: BROWN <br /> DEPTH TO WATER: feet.100th's 65.85 FEET CALC.PURGE VOL.: 1.14 GAL. <br /> DEPTH OF WELL: fcet.100th's 72.85 FEET TO"fAL VOLUiME PURGED: 3 GAL. <br /> STANDING WATER COLUMN: 7.00 FEET DEPTH OF PUMP: 71 FEET <br /> TIME CASING ACTUAL DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVE TURBIDITY <br /> VOLUME VOLUME DOWN RATE OXYGEN <br /> PER PURGE PURGED D.T.W. tCPM1LPM} (units) (us/cm) (Celsius) (Myolts) (PPM) (N.T.U.) <br /> 0 0 NIA 0.25 GPM 6.77 856 19.8 109 6.1 297 <br /> 1.14 1 6.77 860 19.7 108 5.9 357 <br /> 2.28 2 6.77 866 19.9 108 6.0 254 <br /> 3.43 3 6.76 867 199 108 5.7 184 <br /> PURGE METHOD: WATERRA INERTIA PUMP. <br /> SAMPLE METHOD: DEDICATED TUBING. <br /> D.T.W.AFTER PURGE: D,T.W.AT SAMPLE TIME: 65.95' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: PARTLY CLOUDY/COLD. WIND:NW 5 <br /> QUALITY CONTROL: ALL PURGING L')VIPML'N1'WAS UL EANL7J ASrVECLSSAR1: <br /> 1)Iti!)!CA"I'IsDPtif?G1iTUBINGISINS7:4L1,GDINf,A('HWIiLL. NEWNITRILI:GLOH-,S. <br /> CONTAI N M ENT: D.O.T.1755 GAL.STEEL UR UM OR 60 GAL.POLY DRUM. <br /> INSTRUMENTATION: YSI55GMULTIPROBE SYSTEM Y,S.I,DISSOLVED OXYGEN ME'T'ER <br /> SOLWIST SLOPE METER TURBIDITY METER <br />