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TAP 3 <br /> VAPOR REMEDIATION SYSTEM STATUS <br /> THRIFTY OIL STATION#171, STOCKTON, CA <br /> Hour meter Hours of Vapor Inlet TPHg TPHg removed Cumulative TPHg Mass Volume <br /> Date reading Operation Flow Rate Concentration within period TPHg removed Removal(tate Removed Remarks <br /> (hrs)' ' (hrs) (cfm) (ppmv) (ug1L) (Ibs) (lbs) (lbs/hr) (gallons) <br /> 11125!03 [11 <br /> 11 175 <br /> 0 4 760 133 283 21 156 0 Restarted <br /> 12102!03 316 143 147 4760 37422 133657 262 21 2154 <br /> 12/08/0311 462 144 140 663 2 710 28865 13394,6 200 21 261 2 <br /> 12115103 11 630 168 143 2 710 24094 134 187 143 21 299 5 <br /> Total hours of operation 26 470 <br /> NOTE Inlet Concentration obtained from laboratory analytical results and assumed the same until subsequent sampling event <br /> Volume of hydrocarbons removed calculation assumes gasoline density of 6 3 <br /> In February 2002 this table was corrected due to some formula errors in the hydrocarbon removal columns Older versions of this table may have different numbers <br /> I <br /> 12/30/09 <br /> Page 7 or 7 <br /> 171ves <br />