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DEL.-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 2001 SAMPLE LOCATION/MW - 2 DATE: 8/6/01 . ... ...... .... ...... . ......... .................... . ....... ........ ....... . .................... ' PROJECT NAME: FRONTIER TRUCKING. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: LARCH ROAD SAMPLE TIME: 17:29 CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 4 V.O.A.'S&2 LITRES ' SITE CONTACT: PRESERVATIVES: HCL CONSULTANT: BLAKELY ENVIRONMENTAL LAB.ANALYSIS BY: SHERWOOD LABS . .... ........ .. ....... . .... ... ....... ............ ..................... .......... PROJECT MANAGER: HIRAM MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL ., PVC SIGNED: WELL CASING DIA. : 2" / 0.1632 SAMPLE MEDIA: GROUNDWATER P.I.D. READING/ODOR: N/A SULFUR ' TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN TO CLEAR DEPTH TO WATER: feet.100th's 9.61 FEET CALC. PURGE VOL.: 2.55 GAL. DEPTH OFWELL: feet.100th's 25.24 FEET TOTAL VOLUME PURGED: 7.5 GAL. ' STANDING WATER COLUMN: 15.63 FEET DEPTH OF PUMP TUBING FEET FIELD PARAMETERS TIME CUMULATIVE DRAW PUMPING PH E. C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D.T.W.) (GPMlLPM) (units) (M."HOS) (Celsius) (Mvolts) (PPM) (N.T.U.) ' 0 N/A .5 GPM 7.20 3040 26.6 86 N/A LT. BRN. 2.5 " " 7.24 2860 24.9 81 " CLEAR 5 7.24 2800 24.2 88 " ' 7.5 7.25 2790 24.3 162 " M .PURGE METHOD: � �CENTRIFUGAL. �::�: SAMPLE METHOD: STAINLESS STEEL BAILER. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 11.94' ' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: ' WEATHER: CLEAR SKIES. WIND: NW5 QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE ' FIELD WITHA STEAMCLEANER&ALCONOXSOAP. NEW NITRILE GLOVES. CONTAINMENT: D.O.T. 17 55 GAL.STEEL DR UM OR 60 GAL.POLY DR UM. ' INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.E.DISSOLVED OXYGEN METER SOLINIST SLOPE METER THERMODINE 5808 P.I.D, KECK INTERFACE METER TURBIDITY METER