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1 <br /> TWO <br /> Sod Vapor Extraction System Performance Data <br /> Time Oil Lockeford Site <br /> 14000 E Highway 88 <br /> Lockeford California <br /> TPN as Gasoline Benzene <br /> EM Influent Influent <br /> Hour Meter Ambient Blower Influent Concen Removal Net Removed Concen- Removal Net Removed <br /> Sample Date Reading Dilution Vacuum Flow Rate Influent Effluent tration Rate Removed to Date tration Rate Removed to Date <br /> ID Sampled (hours) Valve (H20) (scfm) (ppmv) (ppmv) (ppmv) (lbslday) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds) <br /> INFL 12113/99 7 863 1 a 6%0 3 154 10 000 20 6 900 00 00 Start-Up 1570 00 00 Start-Up <br /> INFL 01/25/00 8 821 0 5%0 20 156 1900 10 3 990 2492 4 972 6 4 972 6 330 16 321 321 <br /> INFL 02122!00 9 208 6 10%0 20 313 1 000 5 2 460 3082 4 501 1 9 473 7 338 3 3 397 71 8 <br /> INFL 03113/00 9 378 6 15%0 10 204 1910 1 2 960 241 7 1 9478 11 421 5 270 1 7 178 896 <br /> INFL 04113/00 9 394 4 1%0 161 1701 2 990 5 3 810 2594 1650 11 5865 245 1 3 10 906 <br /> INFL 05/03/00 9 823 2 4%0 121 101 7 1 490 5 2 820 1148 3 343 3 14 929 8 314 10 205 111 1 <br /> INFL 06/14/00 10 831 6 3%O 98 1471 795 0 5 080 2991 86965 23 626 3 375 1 7 572 1683 <br /> INFL 08109100 10 654 1 2%0 202 131 0 X10 000' 2 2 330 122 1 1975 23 823 8 317 1 3 14 1697 <br /> INFL 09114/00 11 5234 C 20 1 1879 690 0 1 120 842 2 877 8 26 701 6 72 04 240 1937 <br /> REPORTWIS Pte:� 3 1fk10 <br /> TOTAL POUNF Wow: 26,7016 1937 <br /> TOTAL GALLON,gA �@YED 4,3773 264 <br /> PER=Pot* � 3,075 3 264 <br /> PERIODF 5042 42 <br /> PERtOO AV 159 <br /> PEMOD P1849filli <br /> - __1 '' 4L. 77% <br /> scfm =Standard cubic feet per minute NS=Not sampled <br /> !bs =Pounds a System startup initial air samples taken <br /> NA =Not available or not applicable = FID(flame ionization detector)reading (Flame out) <br /> NO =Non-detectable above detection limit Please note No samples were taken in July because the remediation system was down <br /> ppmv =Parts per million by volume converted from micrograms C=dilution air valve is closed <br /> per liter assuming TPH as gasoline and benzene vapor <br /> density is 0 278 and 0 217 lbs per cubic foot respectively Density of benzene=7 34 pounds per gallon <br /> TPH =Total Petroleum Hydrocarbons Density of gasoline=6 1 pounds per gallon <br /> 077 41737 002/Lockeford O&MTablesfrABLE A 1 <br /> October 10 2000 <br />