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! DEL-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 1999 ' SAMPLE LOCATION/MW - 7 DATE: 717/99 ' PROJECT NAME: CUTTER LUMBER ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 3430 S ELDORADO SAMPLE TIME: 1600 CITY STATE: STOCKTON,CALIF SAMPLE CONTAINERS: 2 VOA'S& 1 B B SITE CONTACT: PRESERVATIVES: HCL CONSULTANT: GEO-PHASE ENVIRONMENTAL LAB.ANALYSIS BY: SHERWOOD PROJECT MANAGER STEVE LANKFORD MONUMENT: FLUSH ' SAMPLER: I DEL-TECH WELL CASING MATERIAL PVC SIGNED: lK, WELL CASING DIA.: 2" / 01632 SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: STRONG GAS ' TOP OF CASING ELEVt.N: MSL COLOR: GREY DEPTH TO WATER: feet.lWth's 2652 FEET CALC.PURGE VOL.: 3015936 GAL DEPTH OF WELL: feet.100th's 4500 FEET TOTAL VOLUME PURGED: 105 GAL ' STANDING WATER COLUMN: 1848 FEET DEPTH OF PUMP: 35 FEEL' FIELD PARAMETERS ' TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVEE TURBIDITY VOLUME DOWN RATE OXYGEN COLOR PER PURGE (1).TW.) (GPWLPM) (units) (UsMHOS) (CeW-) (Mvoits) (PPM) (N T U) 0 NIA 5 GPM 649 1684 21 -320 NIA GREY 35 689 1699 211 -369 7 688 1705 208 -375 " 10 5 688 1725 207 -388 j PURGE METHOD. PURGER PUMP SAMPLE METHOD. I'STAINLESS STEEL BAMER W/STAINLESS STEEL WIRE LINE 1 D T W AFTER PURGE. D T.W.AT SAMPLE TIME 27 73' WELL INTEGRITY: CAP&SEAL ARE SECURE AMERICAN LACK INSTALLED WELL LOCATION. SEE SITE MAP ' REMARKS. GOOD RECHARGE STRONG GAS ODOR/SLIGHT SHEEN WITH OILY DROPLETS WEATHER CLEAR SKIES WMID NW5 UALTTY CONTROL: ALL PURGING E UIPME T AND SAMPLING EQUIPMENT WAS CLFANED IN THE FIEID WI!'H A STEAMCLEANFR do ALCONOX SOAP NEW NITRILE GLOVES CONTAINMENT. DOT 17 SS GAL.STEEL DR UM OR 60 GAL POLY DRUM INSTRUMENTATION- Y S I 3560 FLOWC ELL Y S L DISSOLVED OXYGEN METER SOI.INIST SLOPE METER THERMODINE 580B P 1 D • KECK WTFRFACE METER TURBIDITY METER