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BROWN AND CALDWELL Well No MW-6 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve, Stockton _ _ Job No 3003-05 Date -Zl-�lo <br /> vocation Station No 100966, 2537 Waterloo Rd e0 Auto Ave , Stockton, CA <br /> Samplers Name wia 1 5 0 Pr <br /> Weather Conditions 4l k) <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = 5-4-4o ' Water Table Elev <br /> b Total Well Depth = 80 14 ft Tape Corr (TC) <br /> c Length of Water Column - Z, -7-1f ' {b -a ) Well Diameter 2"x 8" <br /> d Casing Volume _ 1 ( (c x [gal/ft casing]) • 2-in casing =0 16 gal/ft <br /> e Length of filter pack <br /> 4-in casing =0 65 gal/ft <br /> - tib' 6-in casing = 1 47 gal/ft <br /> f Filter pack volume 4.—(e x [gaVft filter pack]) 6 5-in casing = 1 70 gal/ft <br /> g TOTAL WELL VOLUME (d + f) 8-in casing =2 60 gal/ft <br /> _ 10-in casing =4 10 galth <br /> 12-m casing =5 00 gal/ft <br /> 2 WELL PURGING DATA • 8-in hole filter pack = 0 78gaVft <br /> 10- hole filter pack= 1 21 gal/ft <br /> a Purge Method 2 t%Lt7'- 5U� �t7 n-Am 12-in hole filter pack= 1 47 aVft <br /> b Required Purge Volume (0 !1 q I -_gallons per well volume) _ �5 �� 7, <br /> c Field Testing, Equipment Used yst --Z� <br /> d Pump Rate 1.4 4Pr'-'1 <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90% > 60min), Medium (90%30-60 min), ast (909/6 < 10 min <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time T°c pH Conductivity (NTU's) Description SWL Placement <br /> Z� 10 ro ! r 7 `�7 2- C��,R,�, 6cE,4- <br /> 3 SAMPLE COLLECTION Method Disposable Bader Container 3 x 40 ml VOA Preservation HCL <br /> 0 Analysis �TPH (gasA 8015, BTEX 8020- <br /> COMMENTS, REMARKS <br />