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DEL-TECH GEOTECHNICAL SUPPORT SERVICES r . MONITORING WELL FIELD LOG 1998 SAMPLE LOCATION 1 MW- 10 DATE: 7122198 PROJECT NAME: DELMONTE-STOCKTON ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 110 FILBERT SAMPLE TIME: 16:00 CITY STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 4 V.O.A.'s/1 BLANK SITE CONTACT: RICHARD FISH PRESERVATIVES: HCL CONSULTANT: DELMONTE LAB.ANALYSIS BY: BSK/WEST LABS PROJECT MANAGER RICHARD FISH MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA.: 2" / 0.1632 SAMPLE ME GROUNDWATER P.I.D.READING I ODOR: NIA NONE TOP OF CASING EL TION: MSL COLOR: CLEAR DEPTH TO WATER: (PeeL100th's) 48.51 FEET CALC.PURGE VOL.: 5.938848 GAL. DEPTH OF WELL: WeL100th's) 84.90 FEET TOTAL VOLUME PURGED: 18 GAL. STANDING WATER COLUMN: 36.39 FEET DEPTH OF PUMP: 79 FEET FIELD PARAMETERS ( :.::::::.:.. . .......... .........:. :::::.:.::::..:....::.. .::.:..: ..:..:: .:. ..::.: :..:.:::::.:.::.: ......... ......:. :: .. . .............. . .......: . ...,.......:.,::. TIME CASING DRAW SUBMERSI pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY VOLUME DOWN RATE OXYGEN COLOR PERPURGE (D.T.W.) (GPM/LPM) (unite) (Uehmm (Cdd-) (M-its) (PPM) (N.T.U.) 0 NIA 1.5 GPM 7.29 1061 22.2 -22 NIA LT.BRN. 6 " " 7.29 1039 20.6 -47 CLEAR 12 " " 7.29 1037 20.5 -53 " It 18 7.29 1035 20.4 -53 " PURGE METHOD: 2"GRUNDFOS SUBMERSIBLE PUMP SAMPLE METHOD: I'STAINLESS STEEL BAILER WI STAINLESS STEEL WERE LINE D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 49.26' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: GOOD RECHARGE. WEATHER: OVERCAST SKIES. WIND: NW5 UALMY CONTROL: ALL PURGING E UIPMENI"AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WIPHA STEAMCLEANER&ALCONOX SOAP. NL7W NnWLE GLOVES. CONTAINMENT: D.O.T.17 SS 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 INI'IRFACE METER TURBIDITY METER