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oil . 30 October 2004 AGE-NC Project No 96-0232 Page 4 of 14 2 4 INFLUENT MONITORING RESULTS In accordance with the requirements of RWQCB Monitoring and Reporting Program No 5-00-119, ground water pump-and-treat influent samples were analyzed for TPH-g, TPH-d, TPH-mo, BTEX, methanol, ethanol, MTBE, DIPE, TAME, ETBE, TBA, 1,2-DCA, EDB and total lead (quarterly basis) on 15 July 2004 The above influent water sample collected on 15 July 2004 detected MTBE(by EPA Method 8260) at a concentration of 47 micrograms per liter(µg/1) The laboratory analysis did not detect any other petroleum constituents of concern (Table 1) Analytical results of pump-and-treat influent-water samples are summarized in Table 1, laboratory reports are in Appendix B 25 EFFLUENT MONITORING RESULTS In accordance with the requirements of RWQCB Monitoring and Reporting Program No 5-00-119, monthly ground water pump-and-treat effluent monitoring was performed for flow rate, specific conductivity(EC),pH,temperature,total dissolved solids(TDS),TPH-g,TPH-d,TPH-mo,BTEX, methanol,ethanol,MTBE,DIPE,TAME,ETBE,TBA, 1,2-DCA,EDB and nitrate on 15 July 2004 Laboratory analysis of the 15 July 2004 effluent grab water sample did not detect any petroleum constituents of concern Analytical results are summarized in Table 1, laboratory reports are in Appendix B Nitrate as NO, was detected from the above effluent sample at a concentration of 42 mg/l, TDS values were detected from the same effluent sample at a concentration of 654 mg/l, laboratory reports are in Appendix C Utilizing an ICM water analyzer in the field, EC values were monitored from the above effluent sample at a concentration of 772 µmhos/cm, a pH value was monitored at 7 32, and a temperature value recorded at 22 5 °C Field monitoring results are in Appendix C Utilizing a Blue-White Industries F-2000 flow meter, the effluent flow rate were measured and recorded at 21 GPM on the above date (Appendix A) 2 6 RECEIVING WATER MONITORING RESULTS In accordance with the requirements of RWQCB Monitoring and Reporting Program No 5-00-119, • monthly ground water pump-and-treat receiving water(R-1 and R-2)monitoring was performed for Advanced GeoEnvi ron mental,Inc