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BROWN Arra CALDWELL Well No MW-3 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve Stockton Job No 1567-04 Date: _4 S <br /> SLocation Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name t <br /> Weather Conditions L t � <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = O- Water Table Elev <br /> b Total Well Depth = 89 96 ft Tape Corr (TC) <br /> c Length of Water Column = (b –a) Well Diameter 40x 10' <br /> d Casing Volume = l�S.` .(c x [gaVft casing]) 2-in casing =0.16 gal/ft <br /> • 4-in casing =0 65 gaVft <br /> e Length of filter pack = c'`` /c. 6-in casing = 1 47 gal/ft <br /> f Filter pack volume = . (e x [gaVft filter pack]) 6 5-in casing = 1.70 gaVft <br /> TOTAL WELL VOLUME _ � + f 8-in casing =2 60 gaVft <br /> d <br /> g Y � �- ._( } 10•m casing =4.10 gaVft <br /> r 12-in casing =5 00 gaVft <br /> 2 WELL PURGING DATA 8-in hole filter pack =0.78gaVft <br /> • 10-in hole filter pack= 1.21 gal/ft <br /> a Purge Method ( L•��C a.f r,u:' 12-In hole finer pack= 1 47 avft <br /> b Required Purge Volume(@ —gallons per well volume)= <br /> c Reld Testing, Equipment Used <br /> id Pump Rate . 5 <br /> e Method of GW Disposal If 55 gallon drum <br /> f Recovery Rate Slow(90% > 60mm), Medium (90%30-60 min), a (90%a 10 min) <br /> ume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time TOC pH Conductivity (NTU's) Description <br /> SWL Placement <br /> -' <br /> 7 L(23 <br /> 3 SAMPLE COLLECTION. Method Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br />. Analysis TPH s 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />