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1 i <br /> 01 December 2004 <br /> AGE-NC Project No 97-0333 <br /> Page 3 of 11 <br /> • Total lead by EPA Method 6010B (effluent sample only) <br /> ' 2 4 INFLUENT MONITORING RESULTS <br /> In accordance with the requirements of CMPWD Industrial Wastewater Discharge Permit No 02-1, <br /> ' monthly ground water extraction and treatment influent sampling was performed on 14 April, <br /> 13 May and 23 June 2004 for laboratory analysis of contaminants listed in Section 2 3 <br /> During all three monthly monitoring events,influent water samples detected TPH-g at concentrations <br /> as high as 9,200 micrograms per liter(µg/1)in the June 2004 sample, TPH-d and TPH-mo were not <br /> r <br /> detected in any of the above referenced samples <br /> Various BTEX constituents were detected in all three of the above samples at concentrations as high <br /> as 710 µg/1 (xylene, May 2004), the highest benzene concentration was detected in the <br /> April 2004 sample at a concentration of 260 µg11 <br /> MTBE was detected(EPA Method 8260)in all three samples at concentrations as high as 7,500µg/1 <br /> in the June sample, TAME was detected in all three samples at concentrations as high as 130 µg/1, <br /> TCE was detected in the April and May 2004 samples at concentrations of 12 µg/1 and 11 µg/1, <br /> respectively, PCE was detected in all three samples at concentrations as high as 330µg/l in the May <br /> 2004 sample <br /> ' The laboratory analysis did not detect any other constituents of concern Analytical results of <br /> extraction and treatment influent water samples(CTEL Prod cot Nos CT214-0404115,-0405081 and <br /> -0406226)are summarized in Table 1, laboratory reports are included in Appendix A, GeoTracker <br /> confirmation pages of the submitted laboratory electronic deliverable format(EDF)files are included <br /> in Appendix B <br /> ' 25 EFFLUENT MONITORING RESULTS <br /> In accordance with the requirements of CMPWD Industrial Wastewater Discharge Permit No 02-1, <br /> monthly ground water extraction and treatment effluent momtoring was performed on 14 April, 13 <br /> ' May and 23 June 2004 for flow rate and laboratory analysis of contaminants listed in Section 2 3 <br /> Laboratory analysis of extraction and treatment effluent,grab water samples did not detect any <br /> ' constituents of concern Analytical results are summarized in Table 1,laboratory reports are included <br /> in Appendix A, GeoTracker confirmation pages of the submitted laboratory electronic deliverable <br /> format (EDF) files are included m Appendix- B - -- — - - - - - - - -- --- --- -- �- <br /> ' Advanced GeoEnvironmenw,Inc <br />