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i i • DEL-TECH GEOTECHNICAL SUPPORT SERVICES IMONITORING WELL FIELD LOG 2001 SAMPLE LOCATION 1 MW - 1 DATE- 3113101 PROJECT NAME FORMER MANNA PRO SITE ANALYSIS PERFORMED SEE CHAIN OF CUSTODY ADDRESS 4004 S ELDORADO ST SAMPLE TIME 1020 CITY STATE- STOCKTON CALIF SAMPLE CONTAINERS 2 V O A'S SITE CONTACT PRESERVATIVES HCL CONSULTANT GEO-PHASE ENVIRONMENTA LAB ANALYSIS BY- SHERWOOD PROJECT MANNAGE STEVE LANKFORD MONUMENT FLUSH I SAMPLER- DEL-TECH WELL CASING MATERIAL PVC SIGNED WELL CASING DIA 4" / 06528 SAMPLE MEDIA• GROUNDWATER P I D READING/ODOR N/A GAS TOP OF CASING ELEVATf0N MSL COLOR GREY TO CLEAR DEPTH TO WATER feet 100th's 2750 FEET CALC PURGE VOL 2261 GAL DEPTH OF WELL- feet 100th's 5011 FEET TOTAL VOLUME PURGED 45 GAL STANDING WATER COLUMN 2261 FEET DEPTH OF PUMP 48 FEET FIELD PARAMETERS TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED I TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D T W) (GPM/LPN) (units) (UsMHOS) (Celsius) (Mvolts) (PPM) (N T U) 0 N/A I GPM 681 1754 208 -39 03 CLEAR 15 677 1490 209 -91 03 GREY 30 " 685 1369 211 -96 02 LT GREY 45 to " 693 1298 21 -61 02 " PURGE METHOD 2"GRUNDFOS STAINLESS STEEL SUBMERSIBLE PUMP SAMPLE METHOD I'STAINLESS STEEL BAILER D T W AFTER PURGE D T W AT SAMPLE TIME 3175' I WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK INSTALLED WELL LOCATION SEE SITE MAP REMARKS WEATHER CLEAR SKIES WIND NW5 QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES ICONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM INSTRUMENTATION Y S 1 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER SOLINIST SLOPE METER THERMODINE 580B P 1 D KECK INTERFACE METER TURBIDITY METER . #OF DRUMS ON SIGHT. WATER 4 SOIL- 0 I