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I DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2000 SAMPLE LOCATION/MW - 4 DATE: 8118/00 . . PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: FREMONT STREET SAMPLE TIME: 18:20 CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S SITE CONTACT: PRESERVATIVES: HCL CONSULTANT: HUNTER&ASSOCIATES LAB.ANALYSIS BY: SHERWOOD LABS 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 1 ODOR: NIA GAS TOP OF CASING ELEV ION: MSL COLOR: LIGHT BROWN DEPTH TO WATER: feek100th's 8.07 FEET CALC.PURGE VOL.: 2.818464 GAL. DEPTH OF WELL: feet.l00th'B 25.34 FEET TOTAL VOLUME PURGED: 9 GAL. STANDING WATER COLUMN: 17.27 FEET DEPTH OF PUMP: N/A FEET FIELD PARAMETERS TIME cUMULAT VE DRAW PUMPING pHE.C. TEMP. O.RP. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D.T.W.) (GPMILPA* (unit,) (Um S) (Cdd-) (MvoMs) (PPM) (N.T.U.) 0 NIA .5 GPM 7.28 1219 21.6 148 NIA LT.BRN. 3 7.37 1191 20.1 137 6 7.35 1188 20.6 119 " 9 7.35 1190 20.5 115 " PURGE METHOD: CENTRIFUGAL PUMP. SAMPLE METHOD: F STAINLESS STEEL BAILER- D. AILERD.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 8.55' WELL INTEGRITY: CAP&SEAL ARE SECURE.LOCK INSTALLED. WELL LOCATION: REMARKS: PURGED 45 GALLONS PRIOR TO MONITORING&LOGGING. WEATHER: CLEAR SKIES. WIND: NW5 QUALITY CONTROL: ALL PURGING EQ UIPMENT AND SAMPLING E2 UIPMENT WAS CLEANED IN THE FIELD WITHA STEAMCLE4NER&ALCONOX SOAP. NEW NITRILE GLOVES. 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 SOLINIST SLOPE METER THERMODINE 580B P.I.D. KECK INTERFACE METER TURBIDITY METER #OF DRUMS ON SIGHT: WATER: SOIL: