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781 SWIFT WAY <br /> WKA No 1735 02 <br /> April 5, 1995 <br /> Page 2 <br /> The samples were immediately placed in an ice-chest with ice and submitted under chain-of- <br /> custody <br /> hain-ofcustody to a California-certified laboratory for analysis of Total Petroleum Hydrocarbons (TPH) <br /> as gasoline and diesel using Modified EPA test method 8015, and Benzene, Toluene, <br /> Ethylbenzene and Total Xylenes (BTEX) using EPA test method 602 <br /> The two-inch diameter submersible pump was cleaned with a solution of Liqui-nox and water <br /> prior to purging each well to minimize the potential for cross-contamination All water removed <br /> during sampling and purging operations was placed in sealed and labeled 55-gallon drums and <br /> stored on site <br /> No free product was observed in monitoring wells MW1 through MW <br /> Analytical results of <br /> water sr pie MW1 revealed a TPH as diesel concentration of 8,200 µg/f and TPH in the <br /> gasoline range of 1,300 µglf, however the product was not typical gasolin BTEX constituents <br /> Mwere not detected Analytical results of water samples MW2 through MWS revealed no <br /> l detectable concentrations of TPH as gasoline, TPH as diesel or BTEX Analytical results for the <br /> ground water samples obtained from the five on-site monitoring wells are summarized in Table 2 <br /> Complete analytical results and chain-of-custody documentation are included in the appendix <br /> The next quarter of ground water sampling is scheduled for June, 1995 Our next quarterly <br /> report will be transmitted upon completion of laboratory testing Please call if you have any <br /> questions regarding this report <br /> Wallace ■ Kuhl & Associates, Inc <br /> IL <br /> Robert Kull Eric Hubbard <br /> Staff Engineer Registered Geologist #4807 <br /> RNK EJH sdm <br /> R&\SW1t11n_1M Q'T4 <br /> INK <br /> WALLACE KUHL <br /> Receded paper &ASSOCIATES INC <br />