i
<br /> TAN 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 Rate Removed
<br /> (hrs)' (hrs) (dm) (ppmv) (ug/L) Obs) (lbs) (lbs/hr) (gallons) Remarks
<br /> 10/29/02 373 ,' 163 171 2,460 255 fig 68,002 1 57 10,793911/05/02 3174 172 2,460 274 55 68,276 i 1 58
<br /> -- 10 837 5
<br /> 11/12/02 3,391 164 - 2460 25952 , 68,536 158 10,8787 Shut down system for QM
<br /> f _ _
<br /> 11114102_ 3,392 1 171 3,410 15,100 562 ' 68,541 �5 62 10,8796 Restarted
<br /> 11/19/02 3,511 119 170 -- --- -- - 15,100 - - -1,14583 69,687 963 11,061 5 - ----
<br /> 11/26/02 3,678 167 171 15,100 -1,66088 01 71 295 963 11,3167
<br /> - 12/03/02 3,844 I 166 170 15100 1,598 381 72 894 963 11,5704 -�
<br /> --
<br /> 12/11/02 4,036 192 170 9,170 37,500 3,210 54 76,104 1672 12,0800
<br /> 12/17/02 4,183 147 170 37,500 3,50465 79 609 2384 12,6364
<br /> 12/23/02 4,321 l 138 171 37 500 3,29994 82,90923 91
<br /> 13,1602
<br /> -12131102 4,514 193 171 37,500 4,62867 87,538 23 98 13 894 9
<br /> Total hours of operation 19,354
<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 /> 171 ves Page 6 of 6 1/15/03
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