Laserfiche WebLink
BROWN arm CALDWELL Well No MW-1 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name. EZ- Serve Manteca I Job No 3PD3 D3 Date - 9-/6-45 _ <br /> cation Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> n <br /> Samplers Name <br /> Weather Conditions Lt LS�2r�11rvN`� - "°T- <br /> 1. WATER LEVEL DATA. (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) = n6l 4 Water Table Elev <br /> b Total Well Depth = 25 45 ft Tape Corr (TC) <br /> c Length of Water Column = �-?E` (b -a) Well Diameter 4"x 10" <br /> d Casing Volume (c x [gaVft casing]) 2-in casing =0 16 gaitft <br /> • 4-in casing =0 65 gaVft <br /> e Length of finer pack = �7;1,8 �scD 6-in casing = 1 47 gaVft <br /> f Fitter pack volume 9 (e x [gaVft filter pack]} 6 5-in casing =1.70 gaVft <br /> 8-in casing =2 60 gaVft <br /> g TOTAL WELL VOLUME _ (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 /> JM �� • 10-in hots falter pack= 121 gaVft <br /> a. Purge Method 12-in hole filter pack= 1 47 a!j <br /> b Required Purge Volume(® 10 -gallons per well volume) _ z Zf-GAc. <br /> c Heid Testing; Equipment Used <br /> d Pump Rate I It 67 Prt <br /> e Method of GW Disposal 55 gallon drum <br /> f Recovery Rate ow 90% >60 , Medium (90%30-60 min), Fast (90%< 10 min) <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time TIC pH Conductivity (NTU's) Oescnption SWI- Placement <br /> 4, ere7 <br /> ZZ 1040 ZZ,I <br /> �,2q 1,0jo <br /> I <br /> I <br /> ! <br /> r <br /> t <br /> i� <br /> I <br /> I I I <br /> 3 (SAMPLE COLLECTION. Method Disposl Bailer Container 3 x 40 ml VOA preservation HCL <br /> Analysis TPH (gas) 8015, BTEX 8020 <br /> COMMENTS, REMARKS' <br />