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BROWN ANrD CALDWELL Well No. MW-2 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Protect Name EZ-Serve Manteca Job No. 1565-04 Date: tv-0-2A 9 S - <br /> Location Station No 100878, 1012 West Yosemite Ave , Manteca,CA <br /> Samplers Name <br /> Weather Conditions C t"-lap 40! <br /> 1 WATER LEVEL DATA- (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = I�'v-2 _ Water Table Elev <br /> b Total Well Depth = 25 20 ft Tape Corr (TC) <br /> c Length of Water Column -_,(,�-S-3 (b -a ) Well Diameter 4"x 10" <br /> d. Casing Volume = ",q L (c x [gaVft casing]) 2-in casing =016 gaVft <br /> • 4-in. casing =0 65 galfft <br /> e Length of filter pack = c ti i n r 6-in casing =1.47 gaVtt <br /> f Filter pack volume = k 2 A- _ (e x [galfft filter pack]) 6 5-in casing =1.70 gaVft <br /> �! k 8-in casing =2.60 gaVtt <br /> g TOTAL WELL VOLUME -_ (d + f) 10-in casing =410 gaVlt <br /> 12-in.casing =5.00 gaVft <br /> 2 WELL PURGING DATA. 8-in hole filter pack - 0 78gai/ft <br /> • i0-in hole filter pack= 1 21galift <br /> a Purge Method 12-in holefilter ack= 1 47 aVft <br /> b Required Purge Volume (®_ 1' /gallons per well volume) <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% >60mm), m (90%30-60 min), Fast (90%a 10 min) <br /> Volume <br /> Removed Spec Turbidity Calor/ Pune <br /> (gal) Time T°c pH Conductivity (NTU's) Description SWL Placement <br /> o <br /> I <br /> ' i e <br /> t <br /> r ' I <br /> I I <br /> 3. SAMPLE COLLECTION: MethodI Di le Bailer Container 3 x 40 ml VOA Preservation' HCL <br /> I I f , r I Analysts, TPH s 8015, BTB(8020 ' ` i E <br /> 11 f ii 1 r r r <br /> r `r l r' I r <br /> � r <br /> COMMENTS, REMARKS <br /> r " I <br /> I I <br /> I <br /> I I1 I IH r rrr rE" ii1 l rrEI�rl' I ` <br /> it <br /> i r <br />