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DEL,-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOO 1998 <br /> SAMPLE LOCATION/MW - 105 DATE: 7114/98 <br /> PROJECT NAME- GEORGE'S SERVICE ANALYSIS PERFORMED- TPH-GAS,B T X E <br /> ADDRESS 1600 DURHAM FERRY ROAD SAMPLE TIME: 1115 <br /> CITY,STATE: TRACY,CA SAMPLE CONTAINERS: 3 V O A's & 1 B B <br /> SITE CONTACT: GEORGE OR MAE PRESERVATIVES. HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY: SHERWOOD <br /> PROJECT MANAGER RAY OR MIKE MONUMENT FLUSH <br /> SAMPLER- A DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED• WELL CASING DIA.: 2" 1 01632 <br /> SAMPLE MEDW GROUNDWATER P.I.D.READING I ODOR. 0 PPM NONE <br /> TOP OF CASING ELEVATION- MSL COLOR. CLEAR j <br /> DEPTH TO WATER (feet.l04th's) 906 FEET CALL.PURGE VOL.. 393 GAL <br /> DEPTH OF WELL (feeL100th's) 3320 FEET TOTAL VOLUME PURGED- 12 GAL <br /> STANDING WATER COLUMN- 2414 FEET I DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING PH E.C. TEMP O.R.P. ISSOLVE TURBIDITY <br /> VOLUME DOWN IRATE OXYGEN COLOR <br /> PER PURGE (DTW) (GPMILI?M) (units) (UmMHm (Celsius) (Ylvoits) (PP.vil ('v T U) <br /> 0 N/A 5 GPM 743 1167 235 45 N/A CLEAR <br /> 4 742 1650 229 32 " <br /> 8 744 1641 229 28 <br /> 12 743 1645 231 27 <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS. GOOD RECHARGE <br /> WEATHER CLEAR WIND NW 10 <br /> UALIPY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A SI'EAMCLEANER do ALCONOX SOAP NEW NIPRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> IINSTRUMENTATION Y SL 3560 FLOWCELI. Y S I DISSOLVED OXYGEN METER <br /> SOixlIST SLOPE Nffil R THEILMODWE 580E P I.D <br /> KE C=U RFACENfE`IER TURSID[TY NEPER <br />