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Table 3. Analytical Results for <br /> ARCO Facihty 2133,Stockton,California <br /> Monitoring well <br /> • number and Concentrations in <br /> date sampled Benzene Toluene Eth lbenzene Xylenes TPH-G (a) <br /> 6/2/95 <0 5 <0 5 <0 5 <0 5 <50 <br /> 9/11/95 <0 5 <0 5 <0 5 <0 5 <50 <br /> 12/5/95 <0 5 <0.5 <0 5 <0.5 <50 <br /> MW-5 <br /> 3/8/95 43 47 3 3 60 1800 <br /> 6/2/95 55 27 2.3 75 1300 <br /> 9/11/95 87 3 91 29 1500 <br /> 12/5/95 120 <10(c) 16 11 2200 <br /> (a)TPH-G-Total petroleum hydrocarbons as gasoline <br /> (b)Unknown hydrocarbon-most likely weathered gasoline <br /> (c)Raised reporting limit due to high analyte concentration requiring sample dilution <br /> (d)Xylenes were incorrectly reported in the second quarter 1994 quarterly report <br /> data shown herein is correct <br /> (e)Sample not collected because well was covered by soil pile <br /> (f)Raised reporting limit due to matrix interference <br /> (g)Sample not collected because well was dry <br /> (h)Well on a semi-annual sampling schedule Sampled during the first and third <br /> quarters of each year <br /> (i)Sample not collected because well connected to SVE/AS system,was under a <br /> vacuum and inaccessible <br /> (1)Sample not collected because well contained free product <br /> Note Dash indicates not measured or not analyzed <br /> • <br />