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21 August 2003 <br />AGE -NC Project No 03-1055 <br />Page 4 of 10 <br />Total petroleum hydrocarbons quantified as gasoline (TPH-g) in accordance with EPA <br />Method 8015 Modified, <br />Benzene, toluene, ethyl benzene and total xylene (BTEX) and methyl tert-butyl ether <br />(MTBE) in accordance with EPA methods 8260M and <br />• Volatile organic compounds (VOC) with EPA methods 8260M <br />The laboratory report for soil analyses, testing methods, laboratory quality assurance/quality control <br />(QA/QC) reports, and sample chain of custody documentation will be presented in a report with <br />findings and recommendations <br />24 SOIL DISPOSAL <br />After soil disposal characterization, the hydrocarbon -impacted excavated soil will be transported to <br />. the appropriate, licensed landfill for disposal <br />2 5 MONITORING WELL INSTALLATION <br />To replace abandoned wells MW -1, MW -3 and MW -4, AGE proposes to advance two soil borings <br />for installation of a 2 -inch diameter ground water monitoring well and a 4 -inch diameter monitoring <br />well which may be utilized as a ground water extraction well if necessary <br />2 5 1 Drilling <br />A truck -mounted, hollow -stem drill rig equipped with 8 25 -inch hollow -stem augers will be utilized <br />to advance the well bonngs to approximately 20 feet bsg One boring (MW -6) will be advanced <br />along the parking lane on the east side of Adams Street, approximately 20 feet south of the B-6 <br />boring location, to assess the southwestern extent of contaminated soil and ground water (Figure 2) <br />The remaining, 4 -inch diameter boring (MW -7) will be advanced approximately 35 feet east- <br />southeast of the B4 boring location to assess the northeast, down -gradient extent of contaminated <br />soil and ground water and may be utilized as a ground -water extraction well if necessary <br />2 5 2 Soil Sampling and Analysis <br />�J <br />Advanced GeoEnvi ro nmental, Inc <br />