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I <br /> TABLE 1 <br /> FIELD MONITORING AND GROUND-WATER ANALYSIS DATABASE <br /> 1257 Yosemite Avenue <br /> Manteca <br /> WELL SAMPLE TPH-G BENZENE TOLUENE ETHYLBENZENE XYLENES TPH-D TOG WELL ELEY STATIC WATER PRODUCT DEPTH TO <br /> HUMBER DATE (PPB) (PPS) (PPB) (PPB) (PPB) (PPB) (PPB) (FT) ELEY (FT) THICKNESS (FT) WATER (FT) <br /> C 1 29 Jut-91 1100 92 2.9 3 8 35 N/A 27 62 10 33 ---- 17 29 <br /> C 1 29 Oct-91 320 42 0 8 3 3 4 3 N/A 27 62 10 51 -- 17 11 <br /> C-1 24 Jan-92 280 8 8 <0 5 3 7 2 1 N/A 27 62 11 97 --- 15 65 <br /> C 2 29 Jul-91 710 0 8 1 1 15 71 70 <5000 27 10 8 98 18 12 <br /> C 2 29 Oct 91 680 16 0 9 16 44 N/A 27 10 10 31 16 79 <br /> C 2 24 Jan-92 1700 34 <0 5 72 33 N/A - 27 10 11 68 15 42 <br /> C-3 29-Jul 91 <50 <0 5 <0 5 <0 5 <0 5 N/A 27 92 9.17 18 75 <br /> C-3 29 Oct 91 <50 <0 5 <0 5 <0 5 <0 5 N/A --- 27 92 10 39 17 53 <br /> C 3 24 Jan 92 140 <0 5 1 3 <D 5 <0 5 N/A 27 92 11 76 --- 16 16 <br /> TB 24 Jan-92 <50 <0 5 <0 5 <0 5 <0 5 N/A <br /> i <br /> Current Regional Water Quality Control Board Maximum Contaminant Levels <br /> Benzene 1 ppb Xytenes 1750 ppb Ethylbenzene 680 ppb <br /> Current DNS Action Levels Toluene 100 0 ppb <br /> TPH G = Total Petroleum Hydrocarbons calculated as Gasoline <br /> PPB = Parts Per Billion TB = Trip Blank <br /> TPH D = Total Petroleum Hydrocarbons calculated as Diesel <br /> TOG = Total Oil and Grease <br /> NOTE 1 DHS Action levels and MCL's are subject to change pending <br /> State of California review <br /> 2 All data shown as <X are reported as NO (none detected) <br /> 728604 6 <br />