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Table 2 - Summary of VES Operation <br /> Unocal Service Station No 6981 <br /> 4707 Pacific Avenue <br /> Stockton, California <br /> Destruction <br /> Hour Wellhead Influent Effluent Effrc <br /> Date Meter Flow Rate TPHg MTPHg Cumulative Benzene MBenzene Cumulative Flow Rate TPHg MTPHg Benzene MBenzene TPHg <br /> Reading (scfm) (ppmv) (lbs day) MTPHg (ppmv) Obs/day) MBenzene (scfm) pmv) (lbs/day) (ppmv) Obs/day) <br /> (�} <br /> 09-22-94 1450 62 9 1,529 30 0 44 0 8 0 292 4 <3 <03 <0 03 <0 003 >99 81 <br /> 10-07-94 1835 149 6 1,147 54 681 38 1 7 20 162 1 <3 <0 I <0 03 <0 001 >99 75 <br /> 11-08-94 2512 128 1 1,376 56 2,238 47 1 8 68 1755 <3 <02 <0 03 <0 002 >99 79 <br /> 12-11-94 3213 111 4 1,081 38 3,612 16 05 101 138 6 20 09 002 0 001 98 20 <br /> 01-09-95 3894 1363 1,609 70 4,413 28 1 1 125 258 7 42 3 5 024 0 018 9738 <br /> 01-22-95 System shut down for modification from thermal to catalytic mode <br /> 05-16-95 4234 1 1137 2,004 72 5,417 37 1 2 141 1973 134 8 41 2 87 0 165 93 29 <br /> 05-23-95 System shut down due to destruction efficiency less than 95% <br /> 12-19-95 4433 84 1 264 7 5,746 6 0 l 147 356 7 <3 <0 3 <0 01 <0 001 >99 00 <br /> 01-24-96 5054 798 1,503 38 6,328 16 04 154 308 5 4 0 4 <0 03 <0 003 9974 <br /> 02-26-96 5397 2140 396 27 6,793 <3 <02 158 297 3 15 1 4 <0 03 <0 002 96 13 <br /> 03-26-96 5838 221 0 475 33 7,345 <3 <0 2 161 188 0 7 04 <0 03 <0 002 9856 <br /> 04-23-96 6127 2156 422 29 7,7I9 <0 03 <0 002 162 177 8 <3 <0 1 <0 03 <0 001 >99 38 <br /> 05-28-96 6715 102 3 343 11 8,208 <0 6 <0 02 162 1809 9 0 5 <0 03 <0 002 9746 <br /> 06-25-96 6972 862 844 23 8,392 <3 <0 07 163 266 8 4 04 <0 03 <0 002 99 50 <br /> 07-30-96 7130 151 1 2,030 97 8,788 <3 <0 13 164 1920 16 10 004 0 002 99 19 <br /> 08-30-96 7488 145 7 1,793 83 10,131 <3 <0 12 165 349 3 369 40 9 <03 <0 03 79 41 <br /> 09-25-96 7757 705 1,398 31 10,771 <3 <0 06 166 164 0 4 02 <0 03 <0 001 99 72 <br /> 10-28-96 $045 1345 501 21 11,086 <1 <0 06 167 189 4 5 0 3 <0 03 <0 002 9905 <br /> 11-21-96 8215 103 5 58 2 11,169 <0 1 <0 004 167 380 1 3 04 0 03 0 003 9455 <br /> 12-20-96 8380 63 8 422 9 11,205 <03 <0 005 167 1829 10 0 6 <0 03 <0 002 97 63 <br /> 01-29-97 8685 915 264 8 11,308 <14 <0 038 168 459 1 <3 <04 <0 03 <0 004 99 00 <br /> 02-27-97 8930 112 3 396 14 11,419 <03 <0 009 168 1829 26 15 0 14 0 008 9333 <br /> 03-01-97 8990 System down due to mechanical problems <br /> lbs/day =pounds per day <br /> MBenzene = mass of benzene <br /> MTPHg = mass of TPHg <br /> ppmv=parts per million by volume <br /> scfm = standard feet per minute <br /> d/uncal/4855/6981RPT XLS 785520-2 <br />