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Table A-1 Dual Phase Extraction System-Soil Vapor Extraction Performance Data ARCO 4932 16 East Harding Way Stockton California TPH as Gasoline -1� Benzene fMtBE Well Field`Well Field "Y Y FID. Influent LInI MtBE Hour Meter Dilution Blower,Manifold Manifold Well Field Well Flel Cancer~Removal Net Remov Removal Net Re Conten- Removal Net RemovedSample', Date Reading- Valve .Vacuum Vacuum-Temperature,Flow Rate Flow influenrt Efflue trabon Rate Removed to Date Rate Removed to Date trahon Rate Removed to Date ui ID Sampled T_h{hours) "(%Open),`('Hgy 'CH20), -' (°F) =t` (acfm) v-t (scfm) -(ppmv) (ppmv) (ppmv) (lbslday) (pounds) (pounds) (lbs/day)(pounds) (pounds) (ppmv) (lbslday) (Pounds) (Pounds) - 05114/03 a 10 100% - - - - - 50000+ - 0 0 0 0 0 0 0 0 0 0 0 0 INF 05/29/03 b c 252 0% 13 402 - 150 2 135 48 000 1 1 16 000 811 409 409 190 76 38 38 2 100 95 48 48 INF 07/08/03 d 260 2% 200 - 1372 120 20 000 1 1 17 000 766 26 435 200 71 025 41 4200 169 44 52 INF 08/07/03 3987 0% 10 60 821 2062 064 43 500 0 21 6 100 385 8 936 9,371 24 12 65 69 210 12 1 403 1 455 - 09!05!03 e - - - - - -- - - - - - - - - - - - INF 09/09103 f 1 020 8 0% 15 136 801 1627 104 78000 0 0 2 900 113 6 459 15 831 <3 2 01 17 86 28 10 166 1 621 - 10/09103 1 724 3 0% 155 - - - - 550 0 - - 1993 17 823 - - 2 88 - - 32 1 653 INF 10/23/03 2 055 8 0% 13 - - 138 98 1 500 0 620 23 939 18 762 <1 6 00 1 89 37 12 15 1 668 - 10/29/03 2 203 6 0% 14 - - 165 117 1 100 25 - -- 260 19 022 - - 0 89 - - 5 1 673 - 11/05/03 2 251 5 0% 14 - - 110 78 1 000 45 - - 84 19 107 - - 0 89 - - 1 1 674 INF 11/13/03 g 2 325 6 0% 15 60 77 1 1767 137 1 1800 00 1200 62 130 19 237 <1 6 01 0 89 <5 6 03 2 1 676 INF 12/03/03 2 804 9 0% 15 140 - 1900 121 3 800 0 00 630 28 901 20 138 <0 16 00 1 90 19 01 3 1680 INF 01112/04 3 743 5 0% 15 150 - 1627 116 226 00 29 2 341 20 479 <0 032 00 0 90 48 03 7 1 685 INF 02104/04 4 274 4 0% 15 - - 982 Ht t 260 0 00 530 19 189 20 668 <0 32 00 0 90 <1 1 00 3 1 689 INF 03103104 4 788 2 0% 15 - - 2100 237 6030 00 340 27 116 20 784 17 01 1 92 063 00 1 1 690 REPORTING PERIOD FIRST QUARTER 2004---i TOTAL POUNDS REMOVED < : , r"""`F ` _ _ " w t '- 20,784 92 1,e90 TOTAL_GALLONS REMOVEp a `' 5 i _ - 3,407 12 274 T, _x - PERIO_l)POUNDS RE�MOVHD t +; F 646 15 107 PERIOD GALLONS REAIIOVED _ 106 0.20 174 TAL AVG FLOW RATE-129 scfm r r _ __ , - TOTAL PERCENT OPERATIONAL 83% - - PERIOD PERCENT OPERATIONAL�85'b , - 4 x�' z x^ Definitions Chemical Properties scfrn=Standard cubic feet per minute Standard conditions 607,1 atm Ibs=Pounds Vapor density of gasoline=0 26 pounds per cubic feet(assumes molecular weight ofgasolmne is 100 Pounds per pound mole) -=Data not available Vapor density of benzene=0 206 pounds per cubic feet ppmv=Parts per million by volume Vapor density of MtBE=0 232 pounds per cubic feet TPH=Total petroleum hydrocarbons Liquid density of benzene=7 34 pounds per gallon "Hg=Inches of mercury Liquid density of gasoline=61 pounds per gallon FID=Flame Ionization Detector Liquid density of MtBE=6 16 pounds per gallon Notes a System start-up and shake-down b Source test for San Joaquin Valley Unified Air Pollution Control District performed c Analyte values given were analyzed beyond the EPA recommended holding time Time analysis was performed because the original analysis detected an analyte inthe associated blank as well as m the sample Id Permananent system start up e SVE system shut down due to a car running into the compound f SVE system restarted Autodialer Installed I ARC.OW932%O&MARCO 4932 0&M Tables 1Qg4 Page 1 of 5