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• DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 1998 i _.. SAMPLE LOCATION/MW - 2 DATE: 411198 .. .. . . .. .. . ........ . PROJECT NAME: VALLEY WHOLESALE DRUG. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: FREMONT STREET SAMPLE TIME: 14:03 CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 VOA'S I 1 BLANK SITE CONTACT: PRESERVATIVES: HCL CONSULTANT: HUNTER&ASSOCIATES LAB.ANALYSIS BY: SHERWOOD/WEST PROJECT MANAGER BILL HUNTER MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA.: 2" / 0.1632 SAMPLE MEDIA: GROUNDWATER P.I.D.READING I ODOR: 0 NONE TOP OF CASING ELEVA MSL COLOR: BROWN TO CLEAR DEPTH TO WATER `eet.100th's) 6.58 FEET CALC.PURGE VOL.: 3.06816 GAL. DEPTH OF WELL: [eet.100th's) 25.38 FEET TOTAL VOLUME PURGED: 10.5 GAL, STANDING WATER COLUMN: 18.80 FEET DEPTH OF PUMP: TUBING FEET FIELD PARAMETERS .. . ... : TIME wiNG DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY VOLUME DOWN RATE OXYGEN COLOR PERPURGE (DT.W.) (GPM/LPMy (units) (UmMHOS) (Cdsius) (Mvolts) (PPM) (N.T.U.) 0 NIA 1 GPM 7.42 1392 21.1 -40 NIA BROWN 3.5 7.47 1242 21 -14 CLEAR 7 7.45 1239 20.9 -13 " 10.5 7.44 1233 20.9 -13 " PURGE METHOD: CENTRIFUGAL PUMP. SAMPLE METHOD: 1'STAWLP.SS STEEL BAILER W/STAINLESS STEEL WIRE LINE D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 6.54 WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SFE SITE MAP. REMARKS: WEATHER: OVERCAST SKIES. WIND: NW5 QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. CONTAINMENT: D.D.T.1755 GAL STEEL DRUM OR 60 GAL.POLY DRUM. INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER t SOLINIST'SLOPE METER TIERMODINE 580E P.I.D. KECK INTERFACE METER TURBIDITY MLS