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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW- 18 DATE. 3/24/2004 <br />' PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME- 1712 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS 4 V O A'S & 1 LITER <br />' SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT BLAKELY ENVIRONMENTAL LAB ANALYSIS BY SHERWOOD LABS <br /> PROTECT MANAGER HIRAM MONUMENT FLUSH <br />' SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED W V4,x, WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDI GROUNDWATER P.I D READING/ODOR N/A NONE <br /> TOP OF CASING ELEVATION MSL COLOR LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER feet 100th's 895 FEET CALC PURGE VOL 486 GAL <br /> DEPTH OF WELL feet 100th's 38 72 FEET TOTAL VOLUME PURGED 1458 GAL <br />' STANDING WATER COLUMN 2977 FEET DEPTH OF PUMP 39 FEET <br /> FIELD PARAMETERS <br /> r. TIME CUMULATIVE DRAW PUMPING pH E C TEMP. O R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (D T W) (GPMILPM) (units) (UMHO (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 735 3445 209 -517 142 LT BROWN <br /> 486 735 3192 218 -563 216 <br /> 972 737 3185 220 -65 202 " <br />' 1458 738 3184 220 -70 210 CLEAR <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> r D T W AFTER PURGE D T W AT SAMPLE TIME 11 93' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br />' WEATHER CLEAR SKIES WIND <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> r FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> r INSTRUMENTATION Y S 1556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 560B P I D <br /> 0) KECK INTERFACE METER TURBIDITY METER <br /> r <br /> r <br />