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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> • <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW - 4 DATE: 7/13/99 <br /> PROJECT NAME: FRONTIER TRUCKING. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: LARCH ROAD SAMPLE TIME: 8:40 <br /> CITY STATE: TRACY,CA . SAMPLE CONTAINERS: 4 V.O.A.'S, 1 LTR& 1 B.B. <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: BLAKELY ENVIRONMENTAL LAB.ANALYSIS BY: BSK LABS <br /> PROJECT MANAGER HIRAM MONUMENT: FLUSH <br /> SAMPLER: i DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA. : 2" 1 0.1632 <br /> SAMPLEMEEDIAV GROUNDWATER P.I.D.READING/ODOR: NIA NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: BROWN <br /> DEPTH TO WATER: (fecLI00th's) 9.81 FEET I CALC.PURGE VOL.: 2.430048 GAL, <br /> DEPTH OF WELL: McL100th's) 24.70 FEET I TOTAL VOLUME PURGED: 7.5 GAL. <br /> STANDING WATER COLUMN: 14.89 FEET I DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <br /> • TIME CASING DRAW PUMPING pH E.C. YERP.1 O.R.P. ISSOLVEU TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPMILPM) (units) (M j%jHoS) (Celslus) (Mvolls) (PPM) (N.T.U.) <br /> p NIA .5 GPM 7.27 2600 24 96 NIA BROWN <br /> 2.5 7.25 254(} 23.5 57 <br /> 5 7.26 2580 23.6 80 <br /> 7.5 7.30 2640 23.6 80 <br /> PURGE METHOD: CENTRIFUGAL. <br /> SAMPLE METHOD: STAINLESS STEEL BAILER. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 10.53' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> . ... ...... . <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL.STEEL DRUM OR 60 GAL.POLYDRUM - <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE M>:MR THERMODINE 580B P.I.D. <br /> . KEC'K INTERFACE,NfF1"ER TI TRBIDlTY MFTER <br />