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I� <br /> TABLE 7 <br /> TPH REMOVAL AND DESTRUCTION EFFICIENCY <br /> Wards and Unocal Sites <br /> Hours Soil Va or to Oxidizer Combustion Gases DRE Total <br /> Date TO AS Flow TPH Flow TPH Removed <br /> Sam"I ug/L lb/day« sarn") ug/L I lb/day %(" lb(5) <br /> 10/07/99 3 3 281 1 14,450 365221 2811 305 771 97-89 46 <br /> 12/21/99 415 320 2075 5,747 10723 2675 23 055 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 3186 66 019 9869 8,146 <br /> 12/14/001 4604 39321 2006 22 040 3066 0001 000 100 8,360 <br /> 06/21/01 4658 3936 193 3 061 001 3193 009 000 100 8,360 <br /> 08/27/01 4688 4795 208 1 306 572 2381 0 100 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 7 140 231 2767 01 000 100 8,415 <br /> 04/21/02 5550 6302 1864 158 265 2794 NA N/A N/A 8,444 <br /> 06/17/02 5706 6746 2270 0 000 2827 0 000 100 8,453 <br /> 09/30/02 5754 8222 1839 35 058 3039 0 000 100 8,454 <br /> 12/24/02 5974 9693 2244 0 000 4032 0 0 00 100 8,456 <br /> Notes. <br /> (1) Calculated based on field data <br /> (2) TPH lb/day=flow scfm * TPH ug/L *10-6(g/ug)*1440 (1n>n/d)*2 205*10-3 (lb/g) <br /> (3) Calculated based on field data <br /> (4) DRE%= (TPH lb/day - Combustion Gases TPH lb/day)/TPH lb/day*100 <br /> (5) Total Removed (Current lb/day+Previous lb/day)/2/24 hr/day*Current Hours <br /> ug/L - micrograms per liter <br /> scfin - standard cubic feet per minute (at 14 7 psra and 60 °F) <br /> lb/day - pounds per day <br /> DRE -destruction and removal efficiency <br /> TO - Thermal Oxidizer <br /> AS - Air Spargmg Compressor <br /> • <br /> 1232 AQ-1 R'tables XL5 Page 1 of 1 ENVIRONMENTAL AUDIT,ENC � <br />