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Ile <br /> 02 June 2005 <br /> AGE-NC Project No 95-0130 <br /> Page 9of13 <br /> I • BTEX, TBA, DIPE, ETBE, TAME and MTBE by EPA Method 8260B <br /> 44 INFLUENT MONITORING RESULTS <br />' In accordance with the requirements of City of Stockton Department of Utilities Ground Water <br /> Discharge Permit, monthly ground water P&T system influent sampling was performed on <br /> 20 January, 21 February and 08 March 2005 for laboratory analysis of contaminants listed in <br />' Section 4 3 <br /> During the above monthly monitoring events, influent water samples detected TPH-g at <br /> concentrations as high as 110,000 µg11 TPH-d and TPH-mo were not detected in any of the above <br /> referenced samples <br /> BTEX constituents were detected during all three monthly monitoring events at concentrations as <br /> high as 13,000 µg/1 benzene,34,000 µg/1 toluene, 3,400 µg/l ethylbenzene and 37,000 µg/1 xylenes <br /> . MTBE was detected (EPA Method 8260) during all three monthly monitoring events at <br /> concentrations as high as 22,000 µg/1 <br /> The laboratory analysis did not detect any other constituents of concern Analytical results of <br /> extraction and treatment water samples (CTEL Laboratory I D Nos 0501113, 0502136 and <br /> 0503077) are summarized in Table 8, laboratory reports are included in Appendix J, GeoTracker <br />' confirmation pages of the submitted laboratory electronic deliverable format(EDF)files are included <br /> in Appendix E <br /> 45 EFFLUENT MONITORING RESULTS <br />' In accordance with the requirements of City of Stockton Department of Utilities Ground Water <br /> Discharge Permit, monthly ground water P&T system effluent sampling was performed on <br />' 20 January, 21 February and 08 March 2005 for laboratory analysis of contaminants listed in <br /> Section 4 3 <br /> Laboratory analysis of ground water P&T system effluent grab water samples did not detect any <br /> constituents of concern Analytical results of extraction and treatment effluent water samples(CTEL <br /> Laboratory I D Nos 0501113,0502136 and 0503077)are summarized in Table 8,laboratory reports <br /> are included in Appendix J, GeoTracker confirmation pages of the submitted laboratory electronic <br /> deliverable format (EDF) files are included in Appendix E <br /> Advanced GeoEnvironmental,Inc <br />