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Report- Groundwater Inves,.6ation <br /> First Student Bus Facility(Former A.W. Hayes Facility) <br /> 2005 Navy Drive—Stockton, CA <br /> Table 1 —Re-Develo ment Purge Water Data (November 12, 2008) <br /> Purge Volume MW-1 MW-3 MW-4 <br /> 10-Gallons <br /> pH 7.24 7.23 8.35 <br /> Conductivity 5950 1890 1110 <br /> NTU's >1000 >1000 657 <br /> Temperature 22.1°C 22.7°C 21.10C <br /> 20-Gallons <br /> pH 7.25 7.27 8.41 <br /> Conductivity 6080 2010 1200 <br /> NTU's >1000 >1000 >1000 <br /> Temperature 21.9°C 22.8°C 21.3°C <br /> 30-Gallons <br /> pH 7.24 7.28 8.42 <br /> Conductivity 6220 2560 1310 <br /> NTU's >1000 >1000 >1000 <br /> Temperature 21.8°C 22.8°C 21.4°C <br /> 40-Gallons <br /> pH 8.44 <br /> Conductivity 1335 <br /> NTU's >1000 <br /> Temperature 21.4°C <br /> 50-Gallons <br /> pH 8.44 <br /> Conductivity 1330 <br /> NTU's >1000 <br /> Temperature 21.4°C <br /> 60-Gallons <br /> pH 8.45 <br /> Conductivity 1340 <br /> NTU's >1000 <br /> Temperature 21.4°C <br /> C. SURVEYING OF GROUNDWATER MONITORING WELLS <br /> On November 12, 2008, the three (3) monitoring wells were surveyed by Snow <br /> Surveying; a State of California licensed surveying company. The wells were surveyed <br /> to the State Water Resources Control Board Geotracker specification, as stated in Section <br /> 2729.1 of Title 23, Division 3, Chapter 16, Underground Tank Regulations, California <br /> Code of Regulations. Latitude and longitude were surveyed to accuracy of 0.01 foot. <br /> 4 <br />