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TABLE 2 (continued) <br /> GROUNDWATER STABILIZATIO N DATA <br /> January 6, 1994 <br /> i.. <br /> �• Volume Temperature Conductivity <br /> (gallons) pH (°F) (µS/cm x 1000) <br /> MW-4 <br /> 0 6.0 65,13 2.76 <br /> 3 6.7 667 2.87 <br /> 6 6.7 6718 2.92 <br /> 9 6.0 67!5 3.27 <br /> 12 5.7 66:7 3.11 <br /> 15 5.8 67 2.98 <br /> 18 5.7 6513 3.05 <br /> " r <br /> 21 5.7 F _ <br /> 66'7 3.10 <br /> 0 7.0 65 J� 9.71 <br /> 1 6.9 61.0 9.32 <br /> 1.5 6.9 60!1 8.94 <br /> 2 6.9 62.1 6.10 <br /> L <br /> was detected just above the detection limit in MW-1. Gasoline range compounds were <br /> detected in MW-2, MW-4, and MW-5, and diesel was detected in MW-5. However, <br /> according to Alpha Analytical Laboratories, although gasoline range compounds were <br /> detected in MW-4 and MW-5, the chromatograms did nit resemble that of gasoline. 1,2 <br /> �. Dichloropropane and other halocarbons were detected in MW-4 and MW-5.The laboratory <br /> results and chain of custody are included in Appendix A. No hydrocarbons were detected <br /> west of the UST facility, in MW-3. <br /> 5.0 CONCLUSIONS AND RECOMMINDATIONS <br /> As noted in the Preliminary Investigation ation and Evaluation Report, groundwater <br /> contamination extends off-site to the east of the Puregro property. Full definition of the <br /> contaminant plume would require groundwater samples from properties to the east of the <br /> FIGURE 3 HERE <br /> Gmbgical A.&Service,Inc. 7 <br /> P-8.QMY1.90/606S <br /> V <br /> 6- <br />