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SECOR International Inc. <br /> WATER SAMPLE FIELD DATA SHEET <br /> PROJECT# 77CP 60193 00 0001 PURGED BY WELL I D 1/11+r►/rt� <br /> CLIENT NAME Tosco Station No 11193 SAMPLED BY 20 SAMPLE I D A4 <br /> LOCATION 3202 West Hammer Lane,Stockton CA QA SAMPLES <br /> DATE PURGED 7-,�3 START(2400hr) ISI�� _ END(2400hr) <br /> DATE SAMPLED SAMPLE TIME (2400hr) <br /> SAMPLE TYPE Groundwater Surface Water Treatment Effluent Other <br /> CASING DIAMETER 2" S. 4" 5" 6" 8" Other <br /> Casing Volume (gallons per foot) (0 17) (0 38) (0 67) (1 02) (1 50) (2 60) <br /> DEPTH TO BOTTOM(feet) = .30. ,V CASING VOLUME (gal)= <br /> DEPTH TO WATER(feet) CALCULATED PURGE(gal) <br /> WATER COLUMN HEIGHT(feet) ACTUAL PURGE (gal) = 3 <br /> FIELD MEASUREMENTS <br /> DATE TIME VOLUME= TEMP CONDUCTIVITY pH COLOR TURBIDITY <br /> (2400hr) (gal) (degrees®)L. (umhos/cm) (units) (visual) (NTU) <br /> ell03 I3,) 13� 7, ns <br /> ave Is / 7 2 ?U3 <br /> f.� � 137" - 7�� <br /> SAMPLE INFORMATION 1 <br /> SAMPLE DEPTH TO WATER r`4] SAMPLE TURBIDITY Imo-✓ <br /> 80%RECHARGES �_V <br /> YES NO ANALYSES TPHd/TPHg/BTEX/Oxygenates-EPA 826013 Single Run) <br /> ODOR_Sj�p—�i SAMPLE VESSEL/PRESERVATIVE 6 40-m1 VOAs w/HCL <br /> PURGING EQUIPMENT SAMPLING EQUIPMENT <br /> Bladder Pump Bader(Teflon) Bladder Pump Bader(Teflon) <br /> Centrifugal Pump Bailer(PVC) Centrifugal Pump ader ( PVC or disposable) <br /> ;Submersible Pump Bailer(Stainless Steel) Submersible Pump Bader(Stainless Steel) <br /> Penstalic Pump Dedicated Penstalic Pump Dedicated <br /> Other Other <br /> Pump Depth <br /> WELL INTEGRITY AvvZ9 LOCK# _ <br /> REMARKS <br /> SIGNATURE Page of <br />