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Table 2 Groundwater Chemical Analytical Data <br /> (Continued) <br /> Well Date TPHG Benzene Toluene Bthylbenzene Xylene <br /> No Sampled ------------------------- —____ ugll -------------------------- <br /> MW-3 312$196 2,500 21 12 12 24 <br /> MW-3 6127196 3,100 13 70 8 7 19 <br /> MW-3 9123/96 2,600 19 68 11 19 <br /> Blank 3128196 ND ND ND ND ND <br /> ND - None detected ugA - Micrograms per liter <br /> DISCUSSION <br /> Concentrations of TPHG were observed in Wells MW-2 and MW-3 with very low BTEX <br /> components Contaminants were not observed in MW-1 The BTEX concentrations <br /> represent degraded levels A relatively moderate to slow groundwater movement is <br /> inferred from the groundwater measurement data Overall site groundwater movement <br />. is consistent with a historic northerly direction <br /> Monitoring Schedule <br /> The continuation of the quarterly groundwater monitoring program is recommended for <br /> this site <br /> Limitations <br /> This report has been prepared specifically for the Mr Ed's Muffler site at 595 E 11th <br /> Street in Tracy, and was done according to the current State and local agency <br /> suggested guidance documents for these investigations The interpretations, <br /> conclusions and recommendations made herein are based on the data and analysis <br /> for the soil and water samples collected on-site and should be reviewed in the context <br /> of this report and other studies Please note that reports of contamination must be <br /> submitted to the agencies in a timely manner Wright Environmental Services, Inc is <br /> not responsible for errors in laboratory analysis and reporting, nor for information not <br /> available during the course of the study, and no warranty or guarantee is expressed or <br /> implied therein <br />