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Table 2 r Summary of Soil Sampling Results Caltrans Maintenance Facility 1604 South B Street Stockton, California Project No 42-0012 Concentrations in parts per million (ppm) Page 1 SAMPLE DATE OF DEPTH TO TPH G TPH-D B T E X ANALYTICAL ID SAMPLING/ SAMPLE (80201 180201 (80201 {80201 LAB MONITORING (IN FEETI 602) 602) 602) 602) MW 1 03-2692 16' ND<1 ND<1 ND< 005 ND< 005 NO< 005 ND< 005 SEQ MW 1 03 26 92 35 ND<1 ND<1 25 ND< 005 0072 10 SEQ MW 1 03-2692 45' ND<1 ND<1 16 048 010 098 SEQ MW 1 03 2692 65' ND<1 ND<1 054 0062 ND< 005 0053 SEQ MW-2 03 2692 21' ND<1 ND<1 ND< 005 ND< 005 ND< 005 NO< 005 SEQ MW-2 03 26-92 36 ND<1 ND<1 20 ND< 005 ND< 005 043 SEQ MW-2 03 2692 46 1 0 ND<1 31 025 012 18 SEQ MW-2 03-2692 66 ND<1 ND<1 025 ND< 005 ND< 005 ND< 005 SEQ MW 3 03 2492 16' ND<1 ND<1 ND< 005 ND< 005 ND< 005 ND< 005 SEQ MW-3 03-2492 31' ND<1 ND<1 ND< 005 ND< 005 ND< 005 ND< 005 SEQ MW 3 03-2492 46' 30 31" NO< 005 073 038 1 4 SEQ MW-3 03 24-92 66 ND<1 ND<1 0053 ND< 005 ND< 005 ND< 005 SEQ SB 1 03 24-92 15' ND<1 ND<1 ND< 005 ND< 005 ND< 005 ND< 005 SEQ SB 1 03 24-92 31' ND<1 ND<1 ND< 005 ND< 005 ND< 005 ND< 005 SEQ SB-1 03-2492 46 120 3 8' 69 52 21 13 SEQ SB 1 03-24-92 66' ND<1 ND<1 1S 042 ND< 005 022 SB-2 03-24-92 15' ND<1 ND<1 NO< 005 ND< 005 ND< 005 ND< 005 SEQ SB 2 03-2492 26' ND<1 ND<1 ND< 005 ND< 005 ND< 055 ND< 005 SEQ $82 03-2492 51' ND<1 ND<1 045 ND< 005 ND< 005 ND< 005 SEQ SB-2 03-24-92 66' ND<1 ND<1 24 081 0052 068 SEQ EXPLANATION OF ABBREVIATIONS TPH-G total petroleum hydrocarbons as gasoline ND< not detected at method detection limit shown (EPA method 8015 modified) SEQ Sequoia Analytical TPH D total petroleum hydrocarbons as diesel not applicable/not available (EPA method 8015 modified) the above samples do not appear to (EPA method 5520F) contain diesel (see official laboratory report) B benzene (EPA mehtod 8020) T toluene (EPA method 80201 E athylbenzene(EPA method 8020) X total xylenes (EPA method 8020) 07 01-92 DJ