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Table 1 <br /> Air Sparge System Operational Data <br /> Chevron Service.Station##9-4275 <br /> 2905 West Benjamin Holt Drive,Stockton,California <br /> Total System Data GM-1 GM-2 GM-3 GM-4 GM-5 <br /> Hour Avg <br /> Meter Injection Flow Injection Flow Injection Flow Injection Flow Injection Flow Injection Flow <br /> Date Reading Pressure Rate Status Pressure Rate Status Pressure Rate Status Pressure Rate Status Pressure Rate Status Pressure Rate <br /> Checked (hours) (psi) (scfm) (0/C) (psi) (scfm) (0/C) (psi) (scfrn) (OIC) (psi) (scfm) (OIC) (psi) (scfm) (OIC) (psi) (scfm) <br /> 01/07/02 32 763 9 — 0 86 — O 87 -- 0 9 — 0 83 — 0 87 — <br /> 01/15102 32,960 9 150 0 91 0 9 -- 0 88 0 84 -- O 91 — <br /> 02/07/02 33510 95 156 O 95 0 96 — O 94 — O 92 — 0 9 — <br /> 03/05/02 34,133 95 — O 9 1 O 92 1 — O 93 - 0 9 — O 91 — <br /> 04/11/02 34,249 -------- ----- SYSTEM DOWN---- ----- ------ —— <br /> 05110/02 34 249 d ------------ — —-----Reuistalled A/S Compressor - ------ -- <br /> 05/13/02 34850 95 — I 0 I 94 ! I 0 I 93 ( — I 0 I 93 I I O I 95 I — I 0 93 — <br /> 06/07/02 34 850 ---------- ------------SYSTEM DOWN BLOWER DOWN— ----- ------ <br /> 06/19/02 34,850 a 95 22 1 0 94 — 0 95 — 0 95 0 94 — 0 95 -- <br /> 07/01/02 35 141 95 221 0 95 — O 94 -- O 94 0 95 — 0 92 — <br /> 07/18/02 35,548 — 1561 0 94 — O 95 -- 0 94 O 93 — 0 94 — <br /> 08/Ol/02 35 885 -- 246 0 94 0 95 — O 93 — 0 92 — 0 94 -- <br /> 09/03/02 36 506 -- 241 0 94 — 0 93 — 0 93 — O 95 — 0 92 -- <br /> 10/11/02 36,779 — 2471 O 94 0 93 — 0 92 -- 0 95 — 0 91 — <br /> 10/24/02 37,089 — 1251 O 92 0 93 — O 91 -- O 90 — O 93 — <br /> 11/07/02 37 420 95 30 11 0 93 O 94 — 0 91 — O 90 — O 92 — <br /> I2/02/02 37,747 85 1431 0 84 — O 82 — 0 83 — 0 8 1 — 0 84 — <br /> REPORTING PERIOD 9/3102 to 12J02102 <br /> PERIOD AVG INJECTION PRESSURE 90 <br /> PERIOD AVG FLOW RATE 20A <br /> PERIOD PERCENT OPERATIONAL. 57% <br /> Explanations Notes <br /> PSI =Pounds per square inch a =Motor on sparge blower burned out Motor was replaced 8114/98 <br /> scfm =Standard cubic feet per minute b =Air compressor rebuilt and replaced and system restarted <br /> =Not available c =Motor on sparge blower burned out. Motor was replaced 8117/01 <br /> C =Calculated number d =Motor on sparge blower burned out.Motor was rebuilt and replaced 5/10102 <br /> OIC =OpenlClosed e =Motor on sparge blower burned out.Motor was replaced 6/19102 <br /> Chevron1942751Penodic Momtonng12001 O&M/94275 0&M Data xls Page 3 of 3 <br />