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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 Effic <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) (lbs/day) MBenzene (scfm) (ppmv) (lbs/day) (ppmv) (lbs/day) M <br /> 09-20-00 18307 1521 63 305 14,752 <0 14 <0 006 183 2856 <0 5 <0 05 <0 003 <0 0002 >99 17 <br /> 09-28-00 18360 1644 45 234 14,758 <0 03 <0001 183 4567 <0 5 <0 I <0 003 <0 0004 X98 82 <br /> 10-25-00 18360 1267 78 3 12 14,758 <0 29 <0 011 183 2473 <2 6 <0 2 <0 03 <0 002 >96 61 <br /> 10-30-00 18480 1555 42 208 14,771 <0 14 <0 007 183 2468 <2 6 <0 2 <0 03 <0 002 >93 75 <br /> 111281004 05 1374 77 337 14,771 <0 07 <0 003 183 3165 65 07 <0 01 <0001 9160 <br /> 12-01-00 70 1368 45 194 14,779 <0 14 <0 006 183 2444 <2 6 <0 2 <0 03 <0 002 >94 12 <br /> 12-15-00 72 1477 47 222 14,779 <014 <0 006 183 3778 <0 5 <01 <0 03 <0 003 >98 89 <br /> 12-2t-00 217 1567 53 262 14,794 <0 14 <0 007 183 2463 <0 5 <0 04 <0 003 <0 0002 >99 00 <br /> 01-23-01 218 1252 <2 6 <010 14,794 <0 01 <0 001 183 2454 <26 <0 21 <0 014 <0 0010 000 <br /> 01-31-01 325 System down due to mechanical failure <br /> 06-21-01 325 1151 <26 <0 10 14,794 <0 03 <0 001 183 1728 <2 6 <0 14 <0 029 <0 0014 000 <br /> 07-02-01 329 1214 <2 6 <010 14,794 <0 03 <0 001 183 1840 <2 6 <0 15 <0 029 <0 0015 000 <br /> 07-26-01 329 1139 <0 5 <0 02 14,794 <0 00 <0 00(1 183 1914 <2 6 <0 16 <0 029 <0 0016 -40000 <br /> 07-31-01 445 1242 <2 6 <010 14,795 <0 03 <0 001 183 1984 <0 5 <0 03 <0 003 <0 0002 8000 <br /> 08-23-01 446 1155 <2 6 <010 14,795 <0 03 <0 001 183 1752 <0 5 <0 03 <0 003 <0 0001 8000 <br /> 09-18-01 475 1395 <2 6 <012 14,795 <0 03 <0001 183 2825 <26 <0 24 <0 029 <0 0024 000 <br /> Explanation <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 /> I <br /> i <br /> Influent and effluent samples were collected to confirm detector operation and destruction effeciency,then the system was shut down pending reciept of analytical data <br /> Dilution valve control motor replaced and system restarted on 12/21/97 <br /> Z Sample of effluent inadvertently not collected on 3122199 <br /> 3 Service station facilities were removed Power to VES originally came off the main breaker panel for the service station Station demolition required anew <br /> service drop from power company,which was not completed until August 2000 <br /> ° New hour meter installed <br /> I <br /> i <br /> Stockton,to 6981 04012404 <br />