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4Ei-TECH <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> = MONITORING WELL FIELD LOG 2005 <br /> SAMPLE LOCATION I MW 12 DATE: 4/18/2005 <br /> PROJECT NAME BENETO TANK LINES#8 ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TPKE- 1158 <br /> CITY,STATE: STOCKTON,CA SAMPLE CONTAINERS- 4 VOA'S <br /> SITE CONTACT: PRESERVATIVES HCL <br /> CONSULTANT: CALIFORNIA GEOPHYSICAL LAB.ANALYSIS BY- SHERWOOD LABS <br /> IPROJECT MANAGER JOHN CUSSEN MONUMENT: FLUSH <br /> SAMPLER. DEL-TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA.. 2" / 01632 <br /> SAMPLE MEDIA. GROUNDWATER P LD READING/ODOR N/A MUSTY <br /> TOP OF CASING ELEVATION- IMASLI COLOR: GREY <br /> DEPTH TO WATER: feet 1OW 9 3719 FEET I CALL.PURGE VOL. 355 GAL <br />' DEPTH OF WELL: feet10DWs 5897 FEET TOTAL VOLUME PURGED 1066 GAL <br /> STANDING WATER COLUMN- 2178 FEET1 DEPTH OF PUMP' 56 FEET <br />' FIELD PARAMETERS <br /> . TAE C:IrqG <br /> LATIVE DRAW PUMPING pH E C TEMP ORP_ DLSSOLVED TURBIDITY <br /> CAVOLUME DOWN RATE OXYGEN COLOR <br /> PURGE (AT W (Grs�sM (—Its) (U-MHOS) (cam) (MVOW) (ppm) (N z U) <br /> 0 N/A 5 GPM 698 3292 223 -37 047 GREY <br /> 355 " 693 3298 227 -16 030 " <br /> 711 " 690 3288 221 96 034 " <br /> 1466 " 687 3224 220 509 036 " <br /> I <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP <br /> DL T W AF'T'ER PURGE: A T W.AT SAMPLE TIME- 37 5U' <br /> WELL INTEGRITX- CAP&SEAL ARE SECURE <br /> WELL LOCATION- SEE SnR[NAP <br />' REMARKS <br /> WEATIIER: OVERCAST/COOL WIND: NONE <br /> QUALITY CONTROL: ALL PURGING E UIPME_NT AND SAMPLING ULPA�JT WAS CLEANED IN THE <br />' FJF_L D WITHA STFAMC�-F 4MER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL.POLPDRUM <br />' INSTRUMENTATION: Y_S_I.35W FLOWCELL Y S L DISSOLVED OXYGEN METER <br /> SU NST SLOPE METER TV ERMODINE 580B PID <br /> IECKINTERFACE METER TURBIDIYYMETER <br />