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Table A-1
<br /> Soil Vapor Extraction System Performance Data
<br /> ARCO Service Station#2093
<br /> 3425 Tracy Boulevard,Tracy,California
<br /> TPH as Gasoline Benzene
<br /> FID Influent Influent
<br /> Hour Meter Blower Average Concen- Removal Net Removed Concen- Removal Net Removed
<br /> Sample Date Reading Vacuum Flow Rate Influent Effluent tration Rate Removed to Date tration Rate Removed to Date
<br /> ID Sampled (hours) ("H2O) (scfm) (ppmv) (ppmv) (ppmv) (Ibs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds)
<br /> [NFL 12/15/95 4,014 11 100 - .. __ 0 _
<br /> INFL 01/04/96 4,538 11 95 1,455 34 1455 553 6046 605
<br /> INFL 01/26/96 4,765 50 95 931 473 931 354 4291 1,034 -- -- ..
<br /> INFL 02/26/96 4 776 45 75 713 25 713 214 130 1,047 .. ._
<br /> [NFL 03/27/96 5,231 44 75 713 25 713 214 4059 1,453 -
<br /> INFL 04/15/96 5,380 44 74 605 37 605 179 1216 1,574
<br /> INFL 05/02/96 5,631 44 76 584 37 584 178 1869 1,761 -- -
<br /> INFL 05/15/96 5,819 47 60 582 132 582 140 1246 1,886 --
<br /> INFL 06/03/96 5,856 45 63 482 1 2 482 122 200 1,906
<br /> INFL 06/21/96 5,982 34 70 533 78 533 149 71 1 1,977 -- -
<br /> INFL 07/10/96 6,039 30 65 639 11 4 639 166 $75 2,014 -
<br /> INFL 08/12/96 6,219 16 68 1,000 81 1000 272 1644 2,179 - ..
<br /> INFL 09/16/96 6,265 14 80 702 145 702 225 476 2,226 --
<br /> INFL 10/08/96 6,760 25 60 486 4 486 117 3522 2,579 -
<br /> INFL 11/05/96 6,954 35 60 92 0 92 22 561 2,635
<br /> INFL 12/20/96 7,387 32 63 58 18 58 15 331 2,668
<br /> INFL 01/13/97 7,390 28 60 23 0 226 05 01 2,668 .
<br /> INFL 06/18/97 7,566 68 45 370 12 370 67 264 2,695
<br /> INFL 07/24/97 7,587 48 50 216 35 216 43 48 2,699 --
<br /> INFL 08/28/97 7,588 45 60 202 01 202 49 0 2 2,700 -- .
<br /> INFL 09/10/97 7,607 45 55 209 77 209 4 6 37 2,703
<br /> INFL 10/15/97 7,630 30 60 196 85 196 47 45 2,708 .. _
<br /> INFL 11/17/97 7,654 30 60 180 7 180 43 45 2,712
<br /> INFL 12/31/97 7,847 a 40 65 180 95 180 47 362 2,748 -- -
<br /> INFL 05/28/98 7,847 60 40 4,000 0 390 62 00 2,748 180 02 00 0
<br /> INFL 06/11/98 8,143 50 105 650 30 650 273 2068 2,955 - 06 5 0 so
<br /> INFL 07/08/98 8,444 b - - - 00 00 2,955 00 00 50
<br /> INFL 10/12/98 8,444 50 65 600 0 148 04 1741 3,129 02 00 37 88
<br /> INFL 11/09198 8,499 50 29 1,890 382 937 11 12 3,131 NO 00 00 88
<br /> INFL 12/21/98 8,690 40 29 0 0 143 1 7 106 3,141 ND 00 00 88
<br /> INFL 02/02/99 8,881 40 27 30 2 169 02 101 3 151 04 00 00 88
<br /> INFL 03/23/99 10,059 55 40 100 5 495 08 706 3,222 ND 00 00 88
<br /> INFL 04/15/99 10,609 45 50 190 10 399 08 353 3,257 02 00 023 91
<br /> INFL 05/20/99 11,447 55 60 90 6 505 12 580 3,315 01 00 005 91
<br /> INFL 06/21/99 11,906 50 75 30 3 13 04 321 3,347 01 00 012 9 2
<br /> INFL 07/27/99 11,979 55 75 74 5 50 1 5 301 3 377 ND 00 002 92
<br /> ARCO/2093/0&M/2093 O&M TabJes3Q03 xfs Page 1 of 3
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