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BLOWN AND CALDWELL Well No MW-7 <br /> GROUNDWATER SAMPLE COLLECTION RECORD <br /> Project Name , EZ- Serve, Manteca .lob No . 3003-03 Date 2 <br /> 00cation: Station No 100878, 1012 West Yosemite Ave , Manteca, CA <br /> Samplers Name ] ,10�JNA- <br /> Weather Conditions �--A)t� N`Ew\--Y til i�i <br /> 1 WATER LEVEL DATA (from TOC) TOC Elevation (from LS) <br /> a Depth to water(ft) - lb,41+ Water Table Elev <br /> b Total Well Depth = 29 07 ft. Tape Corr (TC) <br /> c Length of Water Column - S ,filo (b -a) Well Diameter 24x 8` <br /> d Casing Volume = Z,n 2 � (c x [gaVft casing]) • 2-in casing =016 gal/ft <br /> 4-in casing =0 65 gaVft <br /> e Length of filter pack - IBJ 6-in casing = 1 47 gal/ft <br /> f Filter pack volume (e x [gal/ft filter pack]) 6 5-in casing = 1 70 gal/ft <br /> 8-in casing =2 60 gal/ft <br /> g TOTAL WELL VOLUME (d + f) 10-in casing =410 gal/ft <br /> 12-m casing =5 00 gaVft <br /> 2 WELL PURGING DATA 1W 8-in hole filter pack =0 78gaVft <br /> �� r G 10-in hole filter pack= 1 21 gaVft <br /> a. Purge Method 1�P- (- AJ 12-in hole filter pack= 1 47 ai/ft <br /> b Required Purge Volume (0 gallons per well volume) <br /> c Feld Testing, Equipment Used Y±2S,C, ��✓`-c�� <br /> d. Pump Rate 61 P►-�t <br /> e Method of GW Disposal 55 gallon dnim <br /> f Recovery Rate Slow(90% > 60min), Medium (90%30-60 min Fast(909'0 i 0 min <br /> Volume <br /> Removed Spec Turbidity Color/ Pump <br /> (gal) Time T°c pH Conductivity (NTU's) Description <br /> SWL Placement <br /> t l Glc Z .4 , <br /> ZO <br /> !7'-��� ZD ) �,I� �►� `bra-MP��D � <br /> I <br /> f <br /> I <br /> �3 SAMPLE COLLECTION Method Disposable Bailer Container 3 x 40 ml VOA Preser'vation HCL <br /> I <br /> 0 i Analysis TPH (gas)`8015,'BTEX 8020,1I I _ <br /> I I III I <br /> I <br /> MARKS <br /> COMMENTS, RE <br />