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• TABLE 6 <br /> TPH REMOVAL AND DESTRUCTION EFFICIENCY <br /> Wards and Unocal Sites <br /> Hours Soil Vapor to Oxidizer Combustion Gases DRE Total <br /> Date TO AS Flow TPH Flow TPH Removed <br /> sarn", ug/L lb/day(2) scfin"' ug/L lb/day %(4) lb(5) <br /> 10/07/99 3 3 281 1 14,450 36522 281 1 305 7 71 9789 46 <br /> 12/21/99 415 320 2075 5,747 10723 2675 23 0 55 9948 4,101 <br /> 03/28/00 1771 1457 213 1 408 782 321 1 ND 000 9999 7,351 <br /> 06/15/00 2835 2442 1932 384 667 3402 ND 000 100 7,672 <br /> 09/28/00 3914 3311 2006 800 1443 318 6 66 0 19 9869 8,146 <br /> 12/14/00 4604 3932 2006 22 040 3066 000 000 100 8,360 <br /> 06/21/01 4658 3936 1933 0 61 001 3193 009 000 100 8,360 <br /> 08/27/01 4688 4795 208 1 306 5 72 2381 0 1 00 83 8,364 <br /> 12/11/01 4906 5488 2100 0 000 3897 0 200 100 8,390 <br /> 02/21/02 5106 5780 1879 140 237 361 9 0 000 100 8,399 <br /> 03/28/021 5260 60111 183 71 140 2 31 2767 0 000 100 8,415 <br /> 04/21/021 5550 6302 1.8641 158 2651 2794 NA N/A I N/A 8,444 <br /> 06/17/021 5706 67461 227 01 0 1 0001 282 7 0 0001 1001 8,45311 <br /> Notes <br /> (1) Calculated based on field data <br /> (2)TPH Ib/day= flow scfin * TPH ug/L *10-6(g/ug)*1440 (nein/d)*2 205*10 3 (]b/g) <br /> (3) Calculated based on field data <br /> (4) DRE % = (TPH lb/day- Combustion Gases TPH lb/day)/TPH lblday*100 <br /> (5) Total Removed (Current lb/day+Previous Ib/day)/2/24 hr/day*Current Hours <br /> ug/L - micrograms per liter <br /> scfm - standard cubic feet per minute (at 14 7 psla and 60 OF) <br /> lb/day- pounds per day <br /> DRE - destruction and removal efficiency <br /> TO - Thermal Oxidizer <br /> AS - Air Sparging Compressor <br /> 1232 AQ-1R Tables XLS Page 1 o1 1 ENVIRONMENTAL AUDIT,INC <br />