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TABLE 4
<br /> OPERATIONAL UPTIME INFORMATION OF THE
<br /> SOIL VAPOR EXTRACTION SYSTEM
<br /> ARCO Service Station No.548
<br /> 1612 Hammer Lane,Stockton,California
<br /> Date Hr.Meter No.of Das Between Sampling Dates Cumulative Das Percent
<br /> Reading Total Das Uptime Das Down Total Das Uptime Uptime
<br /> 9128100 6,109.0 0 0.0 0.0 0 0.0 0%
<br /> 10/4!00 6,250.7 6 5.9 0.1 8 5.9 98%
<br /> 10/11/00 6,420.5 7 7.1 0.0 13 13.0 100%
<br /> 10/19/00 6,609.0 B 7.9 0.1 21 20.8 98%
<br /> 10/24/00 6,729.0 5 5.0 0.0 26 25.8 1001/6
<br /> 11/7100 7066.0 14 14.0 0.0 40 39.9 100%
<br /> 11/17/00 7,306.0 10 10.0 0.0 50 49.9 100%
<br /> 11/22/00 7,425.0 5 5.0 0.0 55 54.8 99%
<br /> 11128/00 7,568.0 6 6.0 0.0 61 60.B 99%
<br /> 1217/00 7,791.5 9 9.3 0.0 70 70.1 100%
<br /> 12727/00 8,272.8 20 20.1 0.0 90 90.2 100%
<br /> 1/8101 8,554.0 12 11.7 0.3 102 101.9 98%
<br /> 1/19/01 8,820.0 11 11.1 0.0 113 113.0 1 DO%
<br /> 1123101 8,913.0 4 3.9 0.1 117 116.8 97%
<br /> 216101 9,249.0 14 14.0 0.0 131 130.8 100%
<br /> 2119101 9,564,0 13 13.1 0.0 144 144,0 100%
<br /> 315101 9,845.0 14 11.7 2.3 158 155.7 84%
<br /> 3!7101 9,907.0 2 2.6 0.0 160 158.3 100%
<br /> 3/17101 10,143.0 10 9.8 0.2 170 168.1 98%
<br /> 04!02101' 10,285.0 16 5.9 10.1 186 174.0 37%
<br /> 4116101 Replaced Blower and Restarted System
<br /> 4/23101 10,451.0 21 6.9 14.1 207 180.9 33%
<br /> 05!07101= 10623.0 14 7.2 6.8 221 188.1 51%
<br /> 5/31/01 Re laced Blower and Restarted System
<br /> 614101 10,638.0 28 1 27.4 249 188.7 2%
<br /> filtBrot 10,972.0 14 13.9 0.0 263 202.6 100%
<br /> 7!2101 1 11,310.0 14 14.1 0.1 277 216.7 99%
<br /> 723101 11,677.0 21 15.3 5.7 298 232.0 73%
<br /> 8/6!01 12,013.0 14 14.0 0.0 312 246.0 100%
<br /> B/20/01 12,349.0 14 14.0 0.0 326 260,0 100%
<br /> 9/5101 12,731.0 16 15.9 0.1 342 275.9 99%
<br /> 9117101 13,025.0 12 12.3 0.3 354 288.2 961/6
<br /> 1011101 13,356.0 14 13.8 0.2 368 302.0 99%
<br /> 10/15/01 13,694.0 14 14.1 0.0 382 316.0 100%
<br /> 11/5101 14,197.0 21 21.0 0.0 403 337.0 100%
<br /> 11/2WO114,294.7 21 4.1 16.9 424 341.1 1946
<br /> 1/8!02 14,296.0 43 0.1 42.9 467 341.1 0.13%
<br /> 1121102 14,532.0 13 9.8 3.2 480 351.0 75.64%
<br /> 214102 14,873.0 14 14.2 0.0 494 365.2 100%
<br /> 225102 15,371.0 21 20.8 0.3 515 385.9 99%
<br /> 3r4102 15 540.0 7 7 0.0 522 393.0 100%
<br /> 3118r02 15,740.0 14 8 5.7 536 401.3 60%
<br /> 411/02 16,076.0 14 14.0 0.0 550 415.3 100%
<br /> 4/22102 16,579.0 21 21.0 0.0 571 436.3 100%
<br /> 6/24!02 17,306.4 63 30.0 32.7 634 466.6 48%
<br /> 7/16102 17,833.1 22 22.0 0.0 656 489.0 1001/
<br /> 8/27/02 18,840.1 42 42.0 0.0 698 531.0 100%
<br /> 9124102 19,511.1 28 28.0 0.0 726 559.0 100%
<br /> 10/1&02 20 0".5 22 22.0 0.0 748 902.8 100%
<br /> 11119/02 20 652.3 34 34.0 0.0 782 904.1 100%
<br /> 12/26702 21238.2 37 37.0 0.0 819 906.4 100%
<br /> Upon arrival at site system was found to be shut down due to an inoperable blower.
<br /> s System was shutdown on arrival,chart recorder indicated system shutdown on 4129101.
<br /> r The Blower was removed for repair/replacement
<br /> . 'System down due to power outage and was not re-started for four weeks
<br /> to allow recharge in wells and to monitor for increase in concentration.
<br /> System down due to power outage
<br /> ago os�e_Q,,.��r-oktn-aQ Page 1 of 1
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