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I <br />' DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 1998 <br />' SAMPLE LOCATION/MW - 4 DATE: 9/15/98 <br />' PROJECT NAME: CUTTER LUMBER ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS: 3430 S ELDORADO SAMPLE TIME 1500 <br /> CITY,STATE STOCKTON,CALIF SAMPLE CONTAINERS 2 VOA'S/ I B B <br />' SITE CONTACT. PRESERVATIVES HCL <br /> CONSULTANT GEO-PHASE ENVIRONMENTAL LAB ANALYSIS BY SHERWOOD/WEST <br /> PROJECT MANAGER STEVE LANKFORD MONUMENT. FLUSH <br />' SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA. GROUNDWATER P.I D.READING/ODOR 0 NONE <br />' TOP OF CASING ELE TION: MSL COLOR. GREY TO CLEAR <br /> DEPTH TO WATER: (feeL100th's) 2735 FEET CALC PURGE VOL 3905376 GAL <br /> DEPTH OF WELL: (feeL100t6's) 5128 FEET TOTAL VOLUME PURGED 12 GAL <br />' STANDING WATER COLUMN, 2393 FEET DEPTH OF PUMP: 45 FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E C TEMP. O R P PISSOLVEE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPMILPM) (unju) I (UsMHOS) (Celsius) (Mvolts) (PPNI) (N T U) <br /> 0 NIA 5 GPM 787 1167 216 -240 05 GREY <br /> 4 790 1161 21 3 -243 05 <br /> 8 792 1172 214 -241 05 CLEAR <br />' 12 792 1171 215 -243 06 <br /> PURGE METHOD PURGER PUMP <br /> SAMPLE METHOD F STAINLESS STEEL BAILER W/STAINLESS STEEL.WIRE LINE <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 27 68' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br /> WEATHER CLEAR SKIES WIND NW15 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLE4NER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT DOT 17 55 GAL. STEEL DRUM OR 60 GAL.POLY DR UM <br /> INSTRUMENTATION Y S I 3560 FLOWCELL Y S L DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER T MRMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDTTYN=R <br />