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BROWN mm CALDWELL Well No MW-8 <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 UM J-I r r,-Ai A)Ar- — <br /> Weather Conditions. oee y aI Q S <br /> 1 WATER LEVEL DATA (from TOC) l TOC Elevation (from LS) <br /> a. Depth to water(ft) _ ",5- ' Water Table Elev <br /> b. Total Well Depth = 87 00 ft. Tape Corr (TC) <br /> c. Length of Water Column = 2-1,.43 (b -a ) Well Diameter 2"x 8' <br /> d Casing Volume - 38 (c x [gal/ft casing]) • 2-in casing =016 gal/f <br /> e. Length of finer pack - <br /> 4-In casing =0 65 gal/1' <br /> 6-In casing = 147 gal/1' <br /> f Filter pack volume - (e x [gavtt filter pack]) 6 5-in casing = 1 70 gaitt <br /> TOTAL WELL VOLUME = rp ( + 8-in casing =2.60 galf <br /> g _� d f) 10-in casing =4 10 gaiff <br /> 12-in casing =5.00 gaVf <br /> 2 WELL PURGING DATA • 8-in hole filter pack =0 78gai <br /> a Purge Method 2 + t.i✓�. �jJ t� , J. 10-in hole filter pack= 121 ga4 <br /> g 12-in hole fitter pack= 1 47 a4 <br /> b Required Purge Volume(0 -Z i _gallons per well volume)_ �&.56 <br /> c. Feld Testing, Equipment Used <br /> d. Pump Rate , I ,& Cf pi►%l <br /> e. Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90%>60min), Medium (90%30-60 min) ast (90%< 10 min <br /> Volume <br /> Removed Spec Turbidity Calor/ Pump <br /> (gal) Time Toe pH Conductivity (NTU's) Description SWL Placemen <br /> 6.cto 11105 CcEor�, CL�� <br /> 3-?� b714 1J, Z &c I I Ob tN-c c <br /> l,GOo SrRP(a:D <br /> 3 SAMPLE COLLECTION Method Disposable Bailer Container 3 x 40 ml VOA Preservation HCL <br /> Analysis TPH (gas) 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />