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BROWN A1w CALDWELL Well No MW-2 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name EZ- Serve, Stockton Job No 1567-04 Date 2 r <br />. Location _Station No.100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name _ , S-Fi v-4/ <br /> Weather Conditions 0L64L(1 �}p� <br /> �ww�,�n nwi�un�.nu <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = 60 (9 ( Water Table Elev <br /> b Total Well Depth = 90 34 ft Tape Corr (TC) <br /> c Length of Water Column =_ —a ) Well Diameter 40x 10' <br /> d Casing Volume = (c x (gal/ft casing]) 2-in casing =016 gaVft <br /> hof filter pack = gyp`'� r p ` W 4-in casing =0 65 gaVft <br /> e Length pa _ - 6-in casing = 1 47 gal/ft <br /> f Filter pack volume = 10 1 4^ L� (e x (gaVft filter pack]) 6 5-in casing = 1 70 gaVft <br /> 1 8-in casing =2 60 gal/ft <br /> g TOTAL WELL VOLUME = �1 (d + f) 10-in casing =410 gal/ft <br /> 12-in casing =5 00 gavft <br /> 2. WELL PURGING DATA. 8-in hole filter pack = 0 78gaVft <br /> a Purge Method ` 61,EC 4/; o141- • 10-in hole fter pack= 121 gaVft <br /> rl 12-In hole filter pack= 1 47 aVft <br /> b Required Purge Volume (0 31 -gallons per well volume)= j`f(-j <br /> c. Reid Testing, Equipment Used <br />! d Pump Rate _ 0? 0 <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate Slow(90% > 60mm), Medium (90%30-60 min), 90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time Tod pH Conductivity (NTU's) Description SWL Placement <br /> 09 1 L9 21 10 <br /> 730 <br /> (v 1010 t 3a tJ�A� <br /> y 09�r a . 3 730 Cc tA-P <br /> 7: 1 17-r> (' t <br /> 3 SAMPLE COLLECTION. Method Disposable Bader Container 3 x 40 ml VOA Preservation HCL <br /> 0 Analysis TPH (gas) 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />