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<br /> TABLE 3
<br /> VAPOR REMEDIATION SYSTEM STATUS
<br /> THRIFTY OM STATION #171, STOCKTON, CA
<br /> Hour meter Hours of Vapor Inlet TPHg' TPHg removeil Cumulative TPHg Mass Vaume
<br /> Bate readmg Operation Flow Rafe Concentration within period TPHg removed Removal Rate Removed h,
<br /> (hrs)• (hrs) (cfm) (ppmv) (uglt.� (lbs) (lbs) (lbs/hr) (gallons) Rema"rks>
<br /> 05/28/02 670 167 173 990 10666 63,363 064 10 057 7
<br /> 06/04/02 726 56 172 990 3577 63,399 0 64 10,063 4 Found system off restarted
<br /> 06/11/02 743 17 - 990 1083 63,410 064 10,0651 System shut down for blower replacement
<br /> 07/16/02 743 0 172 738 3,260 - 63,410 - 10,0651 Restarted
<br /> 07/23102 747 4 173 3,260 841 63,418 210 10,0664 Found system off belt broken restarted
<br /> 07/31/02 935 188 171 3,260 39425 63,813 210
<br /> 10,1290
<br /> 08/06/02 1,078 143 170 3,260
<br /> 29727 54,110 208 10,1762 Shut down system for aWS
<br /> 08/07/02 1 078 0 3,260 - 64,110 - 10,1762 Restarted
<br /> 08/13/02 1,219 141 170 1,210 4,940 36756 64,478 261 10,2345
<br /> 08120/02 1,389 170 171 4,940 53552 65,013 315 10,3195
<br /> 08/29/02 1 557 168 170 4,940 52922 65,542 315 10,4035
<br /> 09/03/02 1,725 168 171 4,940 52922 66,072 315 10 487 5
<br /> 09/10/02 1,889 164 172 420 1,860 357 65 66,429 218 10.5443
<br /> 09/17/02 2,056 167 172 1,860 19982 66 629 1 20 10,5760
<br /> 09/24/02 2 227 171 170 1,860 20341 66 832 1 19
<br /> 10,6083
<br /> Total hours of operation 17,067
<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 5 of 5 10/2102
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