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1 <br /> TABLE 5 <br /> LABORATORY RESULTS OF VAPOR SAMPLES FROM INDIVIDUAL WELLS <br /> THRIFTY OIL STATION# 172, STOCKTON, CA <br /> L <br /> LL/ ANALYTICAL PARAMETERS <br /> PLE DATE TPH B T E X MTBE COMMENT'S <br /> D <br /> SAMPLED my tnv my my my my <br /> 08/14/03 75 <0 01 0 17 013 1 1 <0 1 <br /> _ 1€/20103 72 <0 01 027 <0 01 022 <0 1 - --� - <br /> ' 11/25/03 #N/A #N/A #N/A #NIA #NIA 4WA v <br /> 02/12/04 27 045 3 3 066 34 022 <br /> 05/04/04 59 <001 008 008 023 <0 1 m <br /> ' 08/26/04 10 0 14 16 027 1 2 023 - <br /> 03/08/05 36 0 14 1 5 027 1 8 045 <br /> INLET 06/21/01 588 76 41 11 52 1 4 <br /> ' 07/16/01 245 1 4 8 35 21 1 1 <br /> 08/08/01 363 5 l 19 46 26 32 <br /> 09/1210€ 227 43 14 043 19 2 <br /> 10/18/01 247 21 15 3 21 11 <br /> ' 1 1/l 4/01 90 034 56 1 67 03 <br /> 12/19/01 < 5 <0 01 004 <001 01 <0 1 <br /> 01/24/02 139 005 1 041 4 <0 I <br /> 02/07/02 8 <0 01 <0 01 002 02 <01 <br /> 03/14/02 23 <0 Ol 04 02 1 7 oil <br /> 03/29/02 508 2 15 27 20 2 <br /> 04/18/02 < 5-- <0 01 003 <001 —<0 03 <0 I <br />' —05/30/02 < 5 <0 Ol 006 006 033 <0 1 - <br /> 06/20/02 1 120 13 65 63 27 185 <br /> 07/18/02 1 060 15 22 26 12 85 <br /> 08/15/02 712 12 21 _ 32 68 69 <br /> - /12/02 6 6 l4 1 5 2 128 <br /> 10 - <br /> 10!17/02 2640 <br /> 640 23 36 3 7 12 ]73 <br /> 1€/14/02 1 090 16 23 2 39 482 <br /> 12/12/02 9 440 172 461 5 113 2,920 <br />' 01/09/03 556 12 26 l 1 16 97 <br /> _ 02/11/03 707 1 1 36 10 101 083 <br /> 03/13/03 2,020 24 39 76 38 56 <br /> 04/10/03 869 17 48 39 16 44 - <br /> 05/27/03 2 370 18 128 18 72 31 <br /> 06/12/03 590 22 60 72 42 13 <br /> 07/10/03 445 15 28 79 52 24 <br />' 08/14/03 516 77 52 68 37 79 <br /> 09111!03 633 038 25 063 27 02 <br /> 10/16/03 637 50 30 36 24 30 <br /> 11120/03 #NIA #N/A #N/A #N/A #N/A #NIA Insufficient sample <br /> 11/25/03 403 1 1 20 57 34 <10 <br /> 12/16/03 434 18 40 78 41 029 <br /> 01/20/04 230 034 102 032 09 <0 25 <br />' 02/12/04 9 400 115 174 39 164 228 <br /> 03/16104 440 56 17 30 14 ]I <br /> 04/20/04 293 0 128 1 25 0 378 1 31 ,366 <0 001 BTEX&MTBE by Method TO 15 Xylenes reported as <br /> m p &o Xylenes _ <br />' 05/04/04 544 73 50 68 28 18 <br /> 06/08/04 1,680 <0 25 29 <0 25 <0 75 <2 5 'Lab report indicates does not resemble gasoline pattern <br /> _07/07/04 1 990 35 92 35 40 <5 0 <br /> 08/26/04 456 3 1 96 0 75 33 70 <br />' 03/08/05 <5 <0 01 006 <0 01 0 14 <0 I <br /> NOTE Benzene toluene ethlybenzene and xylene analyzed by EPA method 8021E <br /> Total petroleum hydrocarbons(TPH)analyzed by EPA method 8015M <br /> Methyl tent Butyl Ether(MTBE)analyzed by EPA method 802.1 B <br />' 1721AB5 V1 401 Page 5 of 5 3113/2005 <br />