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TABLE 5 <br /> Air Sparge System = Operational Data <br /> Chevron Facility #92033 = Stockton Charter Way Commingled Plume Site <br /> 508 W Dr, Martin Luther King Jr. Blvd , Stockton, California <br /> Hour Period Cumulative Compressor After Cooler Total Manifold Pressure (P) in psi and Flow (Q) in scfm <br /> Date Notes Meter Uptime Uptime P T P T Flow AS-1 AS-2 AS-3 AS-4 AS-5 AS-6 AS-7 AS-8 AS-9 AS-10 AS-11 AS-12 <br /> Reading N (%) (psi) ('F) (psi ) (° F) (scfm) P Q P Q P Q P Q P Q P Q P Q P Q P Q P Q P Q P Q <br /> 03/07/13 0.0 - - - -- - - - 26.5 24.0 16.0 23.0 22.0 25.0 18.0 17.0 16.0 10.0 19.5 6.0 19.0 12.0 21 .0 13.0 23.0 9.0 24.5 8 .0 24.5 4.0 24.0 4.0 <br /> 04/26/13 37.0 - - 17 228 16.5 87 52 17.5 11 17 6 12 8 17 9 20.5 <4 13.5 <4 16.5 9 10.5 5 14.3 5.5 18.3 <4 16.8 6 19 4 <br /> 05/03/13 204 99% 99% 20 271 20 110 55 20.5 22.0 15.5 16.0 14.5 21 12.8 16.0 19.0 8.0 20.0 7.8 16.5 15.8 22 7 22 12 212 8.3 19 12.4 22.0 <4.0 <br /> 05/06/13 a 208 6% 71 % 25 227 23.5 90 44 15.7 20 14.0 11 14.2 16 12.5 12 17.0 5 16.5 8.0 15.5 9.8 21 .0 <4 20.2 7.5 15.6 7 15.2 11 17.0 <4 <br /> 05/08/13 b 230.0 46% 67% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 05/09/13 254 100% 70% 19 230 17.8 89 45 15.3 22.8 11 .6 12 11 14.7 10 12.5 14.8 5.8 12 8 13 12 15.8 <7.6 15.2 9.2 15.4 8.8 15.4 7.5 16.4 <4 <br /> 05/16/13 c 392.0 82% 74% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> Summary Period: May 2013 (April 26, 2013 through May 24, 2013) <br /> Minimum: 19 227.0 17.8 89.0 44 15.3 20.0 11 .6 11 .0 11 .0 14.7 10.0 12.0 14.8 5.0 12.0 7.8 13.0 9.8 15.8 4.0 15.2 7.5 15.4 7.0 15.2 7.5 16.4 4.0 <br /> Average: 21 242.7 20.4 96.3 48 17.2 21 .6 13.7 13.0 13.2 17.2 11 .8 13.5 16.9 6.3 16.2 7.9 15.0 12.5 19.6 6.2 19. 1 9.6 17.4 8.0 16.5 10.3 18.5 4.0 <br /> Maximum: 25 271 .0 23.5 110.0 55 20.5 22.8 15.5 16.0 14.5 21 .0 12.8 16.0 19.0 8.0 20.0 8.0 16.5 15.8 22.0 7.6 22.0 12.0 21 .2 8.8 19.0 12.4 22.0 4.0 <br /> Fracture Pressure: 28.5 118.3 125.6 24.8 22.6 20.4 120.4 22 23.4 24.8 20.4 24. 1 <br /> Period Hours Operated: 355 <br /> Period Uptime Percent: 74% (Planned) <br /> Cumulative Hours Operated: 392 <br /> Cumulative Uptime Percent: 74% (Planned) <br /> AS System Specifications: Products Recovery Management AS with 15-hp, 60 scfm at 30 psi rotary claw air compressor <br /> Abbreviations: <br /> psi = pounds per square inch <br /> OF = Degrees Fahrenheit <br /> scfm = Standard cubic feet per minute <br /> P = Pressure <br /> T = Temperature <br /> Q = Flow <br /> - = Well not measured or valve closed. <br /> Notes: <br /> - Fracture Pressure = 0.73 X depth in feet below surface to top of well screen <br /> - AS system was operated on 4/9/2013 and 4/19/2013, but no system data parameters were recorded. <br /> - Sparge schedule in military time as of 4/26/2013: AS-1 , AS-10, A&1 1 , AS-12 (00-04 and 12-16); AS-3, AS-6, AS-8, AS-9 (04-08 and 16-20); and AS-2, AS-4, AS-5, AS-7 (08-12 and 20-24) <br /> a = System shutdown due to aftercooler high temperature alarm. The air compressor variable frequency drive was adjusted from 60 to 45 hertz. <br /> b = System shutdown due to an SVE system alarm. Hour meter reading was back calculated. <br /> c = System shutdown due to an SVE system alarm. Oil was found on air compressor exhaust vent, which may indicate a leak in shaft seal. Restarting the AS system is pending manufacturer inspection/repair under warranty. <br /> 92033 Remediation Workbook.xlsx Page 1 of 1 Sfantec <br />