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l � l 1 � Table 5 Summary of Soil/GrOundwater Extraction Data ' Cardoza - Super Stop 290 N.{Main St. Manteca, CA { Project No. 662.2 4 Extraction Points Vapor Flow Rate Vacuum Measurin Point(1-19") Remarks _pum2 meter total field calculated ' Date Time (system vac Hg") fm cfm MW-1 MW-2 MW-3 gallons gallons gpm* gpm** EW-2 meter start- 50714 f ' 12/6/2004 940 22 2200 108 012 002 050 1240 10 1200 59 004 000 014 j 1300 21 920 45 - - - start dual phase, stinger @ 32` 1345 - - - - - - first pump transfer 50795 81 1 8 ' 1455 - - - - - - 2nd pump transfer 50870 156 1 1 1600 24 1300 64 030 005 1 0 50944 250 1 1 2359 24 1300 64 035 004 12 51381 607 09 s s ' 12/7/2004 Boo 22 1600 79 045 006 030 51811 1027 09 1115 EW-1 & EW-2 start dual phase both wells 51959 12,45 08 1200 25 1500 74 - - - 52078 1364 26 1440 25 - - - - - 53285 2571 9 75 1600 25 900 44 025 003 065 54167 3453 11 1715 - - - - - - set at 5 gpm - j, 5 - 23 59 24 900 44 030 002 , 085 56688 5974 - 53 ' 12/8/2004 030 - - - - - J - set at 3 gpm - 3 - 800 25 900 44 010 002 070 57803 7089 - 23 830 - - - - - - set at 8 gpm - 1 8 - t 1315 25 - - - - - set at 10 gpm 59908 9194 10 67 1600 25 1000 49 020 004 070 61423 10709 9 92 2359 25 1000 49 020 006 070 Larson drill pipe 64911 141,97 8 73 ' 12/9/2004 800 25 1100 54 030 005 080 68314 17600 8 71 1500 s s down - restart 70991 7 - 1700 23 2000 98 020 003 064 - 71391 20677 7 57 ' 2359 26 700 34 024 002 062 73940 2326 7 70 12/10/2004 830 26 700 34 020 1 002 0 62 77664 26E 50 8 73 1530 26 - - 022 003 060 EW-2 45" H2O vacuum 79723 29 09 49 *field gpm =visible change in 5 gallon graduated sight tube (rough estimate) `*calculated gpm =change in gallons pumped divided by elapsed time in minutes since last meter readings 1 I r