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BROWN AND CALDWELL Well No <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Protect Name Q- Serve Stockton Job No 3003-05 Date <br /> Location Station No 100966, 2537 Waterloo Rd 0 Auto Ave , Stockton, CA <br /> Samplers Name � I EJV Q�r <br /> Weather Conditions <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a. Depth to water(ft) = 6((' 3r Water Table Eiev <br /> b Total Well Depth = 90 82 ft Tape Corr (TC) <br /> c. Length of Water Column = I .I a (b -a) Well Diameter 4'x 10- <br /> d Casing Volume - ZO Z (c x [gallft casing]) 2-m casing =016 gallf <br /> • 4-in casing =0 65 gai/ft <br /> e Length of filter pack = O 6-in casing = 1 47 galm <br /> f Filter pack volume - 12.14 (e x [gaV t ftfter pack]) 6 5-in casing = 170 gai/ft <br /> 8-in casing =2.60 gal/F <br /> g TOTAL WELL VOLUME 3:7C (d + f) 10-in casing =410 gall# <br /> 12-in casing =5 00 galtls <br /> 2 WELL PURGING DATA 8-in hole filter pack =0 789ab <br /> i • 10-in hole filter pack= 1 21 galo <br /> a Purge Method2L�L' • �� �J'�� 12-in hole filter pack= 1 47 ab <br /> b Required Purge Volume (® r' gallons Per well volume) _ 9Z L A-L <br /> c Field Testing, Equipment Used <br /> d. Pump Rate <br /> e. Method of GW Disposal 55 gallon drum <br /> f Recovery Rate. Slow(90% a 60mm), Medium (90%30-60 min), (909'0< 10 mi <br /> FE= <br /> Spec Turbidity Color/ Pump <br /> Time T-0c pH Conductivity (NTU's) Description SWL Placemer <br /> 113 i � ll� r t 3 Lc 5;u <br /> 3 SAMPLE COLLECTION Method Di osable Bader Container 3 x 40 ml VOA Preservation HCL <br /> Analysts TPH as 8015, BTEX 8020 <br /> COMMENTS, REMARKS <br />