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polyethylene tubing to purge each well of three volumes of water and until the water <br /> parameters, pH, conductivity and temperature stabilized <br /> Purging was conducted at pump rates adjusted to prevent the wells from being drawn <br /> down more than 20% of their original well volumes Dedicated polyethylene tubing was <br /> used for filling three 40 ml VOAs, with no headspace, from each well The VOAs <br /> contained 0 5 ml HCl acid as a preservative <br /> The samples were delivered with accompanying chain of custody documentation to KIFF <br /> Analytical LLC (DHS certified 92236) The laboratory analyzed the water samples from <br /> each monitor well for concentrations of TPH-G, BTEX and the five oxygenants using <br /> EPA method 8260B, see Appendix C - Laboratory Report <br /> DISPOSITION OF WASTEWATER <br /> Groundwater and fluids produced during Quarterly Sampling (October 15, 2004) was <br /> processed through 4, in series, water carbon units, a sample of the treated water was <br /> obtained This water (170 gallons) was temporarily contained on-site in a 250 gallon <br /> poly tank Sample results showed this water could be discharged to the sanitary sewer, it <br /> was discharged to sewer on November 30, 2004, see November 2004 Sewer Discharge <br /> Report, Appendix D <br /> RESULTS OF QUARTERLY GROUNDWATER MONITORING <br /> GROUNDWATER GRADIENT AND FLOW DIRECTION <br /> A-ZONE- 1876 AND 1856 COUNTRY CLUB BOULEV4RD <br /> Figure 4A uses the new survey elevations supplied by Morrow Surveying survey dated <br /> September 24, 2004 Figure 4A shows the groundwater elevation gradient and flow <br /> direction (October 15, 2004) determined from depth to water measurements at thirteen <br /> wells associated with the Sanchez Property and the four wells associated with Country <br /> Club Food and Fuel The current groundwater gradient shows a flow direction to the <br /> northwest at a gradient of 0 0018 ft/linear ft (MW5 to Sanchez MW9A) <br /> RESULTS OF CERTIFIED ANALYSES OF GROUNDWATER SAMPLES <br /> MONITOR WELLS <br /> Monitor wells MW2, MW3, MW4, and MW5 penetrated both the A and B zones <br /> . Contaminants found in these wells would mix with the groundwater of both zones <br /> 5 Sanchez QM 4ffi 2004 <br />