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BLOWN AND CALDWELL Well No M�— <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Stockton Job No 3003-05 Date. <br /> * Location Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name I JEuu A' <br /> Weather Conditions <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a. Depth to water(ft) _ Water Table Elev <br /> b Total Well Depth = 90 34 ft Tape Corr (TC) <br /> c Length of Water Column = 30,6�I (b•-a ) Well Diameter 4'x 10' <br /> d Casing Volume I C) �n _(c x [gal/ft casing]) 2-in casing =016 gaVft <br /> • 4-m casing =0 65 gal/ft <br /> e. Length of filter pack = 10 6-in casing = 1 47 gal/ft <br /> f Filter pack volume - l l (e x (gaV t fitter pack]} 6 5-in casing w 170 gaVft <br /> - � 8-in casing =2 60 gaVft <br /> g TOTAL WELL VOLUME (d + f) 10-in casing -410 gaVft <br /> 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA <br /> 8-In hole filter pack =0.78ga1/i <br /> • 10-in hole filter pack= 1 21 galn <br /> a Purge Method 2 rti CLEC -Dos.' �il 12-in hole filter pack= 1 47gal/l <br /> b Required Purge Volume (0 _gallons per well volume) = 9 c011-174L <br /> c Field Testing, Equipment Used YSJ 14 <br /> Sd. Pump Rate 14 h Prat <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow (90% > 60min), Medium (90%30-60 min) Fast (90%< 10 min <br /> Volume Spec Turbidity Color/ Pump <br /> Removed Time T°c pH conductivity (NTU's) Description SWL Placement <br /> (gal) <br /> Z 12 43 I F,if &" <br /> 1215& 61" ),d&r SSE <br /> 31 moi• � �� � 1 Z I Q�� ��--�-,'?��b <br /> 3.SAMPLE COLLECTION Method Disposable Bader Container 3 x 40 ml VOA Preservation HCL <br /> . Analysis TPH as 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />