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i <br /> • Table 2 - SummaVES Operation <br /> Unocal Servlc on No 6981 <br /> 4107 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) (%) <br /> 12-05-98i 10218 ---- 219 -- ---- <0 3 ---- --- - <3 ---- <0 03 ---- 9980 <br /> 12-21-97 10218 System restarted <br /> 12-29-97 10442 1256 224 9 12,173 <14 <0 053 169 3607 <3 <0 3 <0 03 <0 003 9882 <br /> O1-26-98 11031 1478 343 16 12,479 <1 4 <0 062 171 1939 <3 <0 2 <0 03 <0 002 9923 <br /> 02-27-98 11801 1376 501 22 13,088 <0 7 <0 029 172 2003 <3 <0 2 <0 03 <0 002 9947 <br /> 03-25-98 12422 1298 119 5 13,434 <0 3 <0 011 173 1950 4 02 <0 03 <0 002 9667 <br /> Explanation. <br /> lbs/day=pounds per day <br /> MBenzene=mass of benzene <br /> MTPHg=mass of TPHg <br /> ppmv=parts per 1r1111on by volume <br /> i <br /> scf111=standard feet per minute <br /> System shut down on 10/26/97 due to the failure of the flame detector The flame detector was replaced on 1215197,and <br /> the system operated approximatle)3 hours Influent and effluent samples were collected to confirm detector operation <br /> and destruction effeciency,then the system was shut down pending reciept of analytical data Dilution valve control <br /> motor replaced and system restarted on 12/21/97 <br /> d/unocal/485 516981 RPT)US 140124 02 <br />