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• DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2003 SAMPLE LOCATION /,MW . .....2 ..... DATE: 1412003 2 l ' PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: FREMONT STREET SAMPLE TIME: 14:00 CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S ' SITE CONTACT: PAUL SOUSA PRESERVATIVES: HCL&TSP CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS ' PROJECT MANAGER: ERIC PRICE MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL : PVC SIGNED: WELL CASING DIA. : 2" / 0.1632 SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: NIA MUSTY TOP OF CASING ELEVAT MSL COLOR: BROWN DEPTH TO WATER: feet.100th's 8.45 FEET CALL. PURGE VOL.: 2.76 GAL. DEPTH OF WELL: feet.100th's 25.38 FEET TOTAL VOLUME PURGED: 9 GAL. ' STANDING WATER COLUMN: 16.93 FEET DEPTH OF PUMP: NIA FEET FIELD PARAMETERS TIME 'UMULATIVE ' DRAW PUMPING OH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D.T.W.) (GPMILPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) ' 0 NIA .5 GPM 7.50 971 20.6 -42.5 0.43 BROWN 3 If " 7.50 942 20.7 -45.5 0.51 " 6 7.50 940 20.7 -45.3 0.43 " ' 9 7.50 940 20.7 -44.9 0.41 " PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED TUBING• D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 9.14' ' WELL INTEGRITY: CAP&SEAL SECURE. LOCK INSTALLED. WELL LOCATION: REMARKS: ' WEATHER. OVERCAST SKIES. WIND: NW5 QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES, CONTAINMENT: D.D.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 THERMODfNE 58013 P.I.D. KECK INTERFACE METER TURBIDITY METER #OF DRUMS ON SIGHT: WATER: SOIL: