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SPECTRA Laboratories, Inc. <br />2221 Ross Way • Tacoma, WA 98421 • (206) 272-4850 <br />July 29, 1991 <br />Rittenhouse-Zemas� & As��:�iates <br />1400 140th Avenue N.E. <br />Bellewe, WA 98005 <br />Attn: b4oin Kadri <br />BTBX, EPA Method 8240 <br />DIlution Factor: 1 <br />Benzene <br />Toluene <br />Ethyl Benzene <br />Total Xylenes <br />,�t';�a <br />iF'y� <br />. . . ;'{'u",�- <br />Sample ID: B-1 <br />Project: W-7747 <br />Saznple Matrix: SoIl <br />Date Sampied: 7-24-91 <br />Date Received: 7-26-91 <br />Spectra #59844 RUSFi <br />Date Analyzed: 7-26-91 <br />Uniu: mg/Kg <br /><0.005 <br />O.00SB <br /><�.�5 <br />�.0/1 <br />Smrogatc Percent Recoveries: <br />Toluene-d8 98 <br />B= Also found in blank, the sample result should be reduced by the amount found <br />in the biank. <br />Hydrocazbons, by Modified 8015, ppm <br />� <br />ORATORIES, INC. <br />� � <br />Dtike Minner, Lab T�irector <br />i <br />I <br /><20 <br />