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`W "' <br /> water and detergent, rinsed in a second bucket of tap water, and given a final rinse in a bucket <br /> of distilled water. <br /> Two soil samples, the samples with the highest volatile organic content as indicated by the PID, <br /> from each boring will be submitted for laboratory analysis. <br /> Samples will be collected, preserved, and transported under chain-of-custody in accordance with <br /> RESNA's Quality Assurance/Quality Control (QA/QC) Plan, soil sampling protocol (Appendix <br /> II). The selected samples will be analyzed for benzene, toluene, ethylbenzene, xylenes (BTEX) <br /> and total petroleum hydrocarbons as gasoline (TPHG) by EPA methods 8020 and modified 8015, <br /> respectively. <br /> The soil cuttings will be placed on and covered with 6 mil plastic sheeting and stockpiled on- <br /> site. Soil cuttings and groundwater will be properly disposed of after reviewing the analytical <br /> results and obtaining agency approval. <br /> 3.2 Monitoring Well Installation <br /> Following completion of the 3 borings, they will be converted to groundwater monitoring wells <br /> by advancing the boring 15 feet below static water level for well installation. The wells will be <br /> constructed of four inch diameter F480 threaded PVC screen/casing. No glues or solvents will <br /> be used. Screen slot size will be 0.010 inch. Sand pack material will be #2 pre-washed silica- <br /> sand. A minimum of two foot bentonite seal will be placed prior to grouting with cement grout. <br /> Wells will be installed to a depth of approximately 35 feet below grade. Well completion depth <br /> is based on the setting of the well screen 15 feet below and 5 feet above the saturated zone. <br /> This construction will allow for groundwater fluctuations. Actual completion depths will be <br /> determined in the field based on hydrogeologic conditions encountered. Typical completion will <br /> be as shown on Figure 4. <br /> R121891.TIL 4 <br />