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e <br /> c <br /> r <br /> • With the exception of the November 1991 sampling event, laboratory analysis has <br /> consistently shown that Monitoring Wells AW-1, AW-2, and AW-4 through AW-8 do <br /> not contain concentrations of dissolved-phase petroleum hydrocarbons above method <br /> detection limits. Furthermore, it should be noted that the revised laboratory reports <br /> submitted by Sequoia Analytical for the November 1991 sampling event, included in <br /> Appendix B, indicate that following additional interpretation, the samples did not <br /> contain diesel, with the exception of AW-3. The concentration quantified as gasoline <br /> in AW-3 is the result of diesel-range hydrocarbons. <br /> ALTON GEOSCiENCE <br /> erald H. Nieder-Westermann <br /> Geologist <br /> c5e pz_--� off^ <br /> Stephan Rosen <br /> Senior Geologist <br /> Y <br /> Peter C. Lange, R.G. 089 <br /> Associate, Northern alifornia Operations <br /> 6 <br />