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Table I - Summary of VEemical Analytical Data <br /> Unocal Service Mon No 6981 . <br /> 4707 Pacific Avenue <br /> Stockton, Callforrua <br /> Wellhead Influent Sample Results Effluent Sample Results <br /> Date TPHg TPHg Benzene Benzene Toluene Ethylbenzene Xylenes TPHg TPHg Benzene Benzene Toluene Ethylbenzene Xylenes <br /> (mg/m') (ppmv) (mg/m) (pp-) (mg,/m) (mg/ml) (mg/m,) (mg/m3) (ppm'-) (mg/ml) (ppmv) (mg/m) (mg/m) (mg/m) <br /> 09-22-94 5,800 1,529 153 44 452 66 227 <11 <3 0 108 <0 03 0 152 <0 109 0 109 <br /> 10-07-94 4,350 1,147 132 38 493 37 118 <11 <3 0 108 <0 03 <0 ill <0 109 <0 109 <br /> 11-08-94 5,220 1,376 164 47 238 26 118 <11 <3 0108 <003 <0 Ill <0109 <0109 <br /> 12 11-94 4,100 1,081 57 16 320 58 220 74 20 0 060 002 12 1 1 64 <br /> 01-09 95 6,100 1,609 99 28 640 120 560 160 42 083 024 15 57 29 <br /> 01-22-95 System shut down for modification from thermal to catalytic mode <br /> 05-16-95 7,600 2,004 130 37 580 96 330 510 134 10 287 30 29 84 <br /> 0523-95 System shut down due to destruction efficiency less than 95% <br /> 12-1995 1,000 264 20 6 28 3 11 <10 <3 <0 050 <0 01 Oil <0 050 00089 <br /> 01-24-96 5,700 1,503 56 16 540 89 440 15 4 <0 10 <0 03 <0 10 <0 10 010 <br /> 02-2696 1 500 396 <10 <3 120 20 93 58 15 <0 10 <0 03 030 <0 10 3 1 <br /> 03-26-96 1,800 475 <10 <3 150 30 150 26 7 <0 10 <0 03 <0 10 <0 10 071 <br /> 04-2396 1,600 422 <0 10 <0 03 160 38 180 <10 <3 <0 10 <0 03 <0 10 <0 10 059 <br /> 05-28-96 1,300 343 <2 0 <0 6 96 34 170 33 9 <0 10 <0 03 <0 10 <0 10 019 <br /> 06-25-96 3,200 844 <10 <3 210 89 480 16 4 <0 10 <0 03 029 010 057 <br /> 07-30-96 7,700 2,030 <10 <3 460 250 1,500 62 16 014 004 21 14 98 <br /> 08-30-96 6,800 1,793 <10 <3 490 170 1,100 1,400 369 <10 <029 67 37 270 <br /> 09 25-96 5,300 1,398 <10 <3 I60 140 1,000 15 4 <0 10 <0 03 013 <0 10 1 1 <br /> 10-2896 1,900 501 <5 0 <1 40 45 310 18 5 <0 10 <0 03 0 13 0 13 0 68 <br /> 11-21-96 220 58 <0 50 <0 l 7 6 25 11 12 3 0 11 003 021 0 12 087 <br /> 12-20-96 1,600 422 <1 0 <0 3 29 16 76 38 10 <0 10 <0 03 <0 10 016 10 <br /> 01 29-97 1,000 264 <5 0 <1 4 11 27 180 <10 <3 <0 10 <0 03 <0 10 <0 10 048 <br /> 02-27-97 1 500 396 <1 0 <0 3 3 4 32 260 100 26 <0 50 014 <0 50 0 66 70 <br /> 03-01-97 System down due to mechanical problems <br /> 04-01-97 System startup after repair and matntenence <br /> 04-24-97 940 248 <0 50 <0 14 16 22 190 56 15 <0 10 <0 03 <0 10 069 70 <br /> 05 31-97 1,800 475 <1 0 <0 3 1 7 34 310 <10 <3 <0 10 <0 03 <0 10 <0 10 080 <br /> 06-24-97 1,800 475 <5 0 <1 4 <5 0 28 280 12 3 <0 10 <0 03 <0 10 <0 10 035 <br /> 07-31-97 800 211 <0 50 <0 1 068 21 190 12 3 <0 10 <0 03 <0 10 <0 10 1 1 <br /> 08-28-97 980 258 <1 0 <0 3 <1 0 15 160 <10 <3 <0 10 <0 03 <0 10 <0 10 061 <br /> 09-28-97 1,500 396 <1 0 <0 3 <10 18 170 <10 <3 <0 l0 <0 03 <0 10 <0 10 <0 10 <br /> 10-26-97 System found to be down due to failure of the flame detector <br /> For Ex lavation refer to paLe 2 <br /> d/unocall4855/6981RPT XLS <br /> 140124 02 <br />