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V DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2000 SAMPLE LOCATION/MW- 4 DATE: 3128100 x PROJECT NAME: DELMONTE-STOCKTON. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 110 FILBERT SAMPLE TIME: 19:18 CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 2 V.O:A.'S& 1 B.B. SITE CONTACT: PRESERVATIVES: HCL CONSULTANT: DELMONTE LAB.ANALYSIS BY: BSK LABS PROJECT MANAGER: RICHARD FISH MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA.: 2" / 0.1632 SAMPLE IA: GROUNDWATER P.I.D.READING 1 ODOR: N/A NONE TOP OF CASING ELEVATION: MSL COLOR: BROWN TO LIGHT BROWN 4" DEPTH TO WATER: (feet.100th's) 45.05 FEET CALC.PURGE VOL.: 7.273824 GAL. DEPTH OF WELL: feet.100th's 89.62 . FEET TOTAL.VOLUME PURGED: 22.5 GAL. STANDING WATER COLUMN: 44.57 FEET DEPTH OF PUMP 80 FEET FIELD PARAMETERS TIME cuMuLAnvE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE .T.W.) (GPM/i.PM) (uWft) (MaMHOS) (CO.J.) (Mvaks) (PPM) (N.T.U.) 0 N/A 1 GPM 7:41 633 19.8 153 N/A BROWN 7.5 " " 7.39 622 21.2 149 " " 15 7.35 623 21.4 163 LT.BRN. 22.5 7.40 624 21.6 166 " ?. ........ 7. ,.... PURGE METHOD. 2"GRUNDFOS STAINLESS STEEL SUBMERSIBLE PUMP. SAMPLE METHOD: 1'STAINLESS STEEL BAILER WITH STAINLESS STEEL WIRE LINE. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 47.24' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. j, REMARKS: ll WEATHER: CLEAR SKIES. WIND: NW5 QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE FIELD WITHA STE9MCLE41VER&ALCONOX SOAP. NEW NITRILE GLOVES. l CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLIMST SLOPE METER THERMODINE 580E P.I.D. KECK INTERFACE METER TURBIDITY METER