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AT&T—Lodi,Quarterly Groundwater Monitoring Report No 3 <br /> ATC Project No 75 75128 0001 <br /> October 4,2001 <br /> 5.2 LABORATORY ANALYTICAL RESULTS <br /> A summary of the groundwater sample chernical test results is presented m Table 5-1 Laboratory reports far all <br /> tests are included in Appendix C A total of three groundwater samples were collected on June 28, 2001 and <br /> submitted for laboratory analysis The groundwater samples had no detectable concentrations of TPH D,BTEX, <br /> or MTBE <br /> TABLE 5-1 <br /> GROUNDWATER ANALYTICAL RESULTS <br /> June 28,2001 <br /> Well Collection TPH-D Benzene Ethyl-benzene Toluene Total MTBE <br /> Number Date (ug/L) OWL) (ug/L) OWL) Xylenes OWL) <br /> OWL) <br /> MMI 12/18/00 ND ND ND ND ND ND <br /> 3/28/01 ND ND ND ND ND ND <br /> 6128/01 ND ND ND ND ND ND <br /> MW2 12/18/00 ND ND ND ND ND ND <br /> 3/28/01 ND ND ND ND ND ND <br /> 6/28/01 ND ND ND ND ND ND <br /> MM3 12/18/00 ND ND ND ND ND ND <br /> 3/28/01 150 ND ND ND ND ND <br /> 6/28/01 ND ND ND ND ND ND <br /> Laboratory — 50 050 0 50 0 50 050 5 0 <br /> Reporting <br /> Lunuts <br /> 119/1- trncrograrm perlder <br /> ND Not detected at or above the mdtcated laboratory reporting Iuart <br /> TPH-D Total Petroleum Hydrocarbons-Diesel <br /> MTBE Methyl tent butyl ether <br /> 6.0 CONCLUSIONS <br /> AT&T performed the thud quarter of monitoring on three groundwater quality monitoring wells at the subject <br /> AT&T microwave relay facility Groundwater samples collected from these wells were found to have no detected <br /> concentrations of TPH-D, BTEX, or MTBE Thus represents a change from the previous quarter when TPH D <br /> was detected in well MW3 at a concentration of 150 micrograms per liter <br /> 5 <br />