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EVERGREEN ANALYTICAL, INC. <br />4036 Youngfield St. Wheat Ridge, CO 80033 <br />1303) 425-6021 <br /> <br />• <br />• <br />TOXICITY CHARACTERISTIC LEACHINQ PROCEDURE (TCLP) <br />SUMMARY REPORT <br />Client Sample +Y A245-1 Bottom B-3 <br />Lab Sample +C 01A <br />Spiked Sample ay 970177/964529-01A Client Hazen Research, Inc. <br />Date Sampled Not Specified Lab Work Order 97-0146 <br />Date Received 1 /16/97 Method 40 CFR 261.24 <br />Date Prepared 1 /19-21 /97 Matrix Solid <br />Date Analyzed 1/21-22/97 <br /> Spike As Analyzed Regulatory <br />Element Recovery Value•• Levels"• <br /> % mg/L mg/L <br />Arsenic 94 1.3 5.0 <br />Barium 106 0.93 100.0 <br />Cadmium 100 0.13 1.0 <br />Chromium 100 0.64 5.0 <br />Lead 84 < 0.26 5.0 <br />Selenium 112 < 0.42 1.0 <br />Silver 95 < 0.51 5.0 <br />Mercury 69 < 0.0002 0.2 <br />Note: Results are reported on the leachate from the TCLP extraction. <br />' =Spikes are performed once for each similar matrix Iwater, soil, etc.) and extraction set. <br />'• =Not corrected for Spike Recovery per Federal Register, Vol. 57, No. 227, Nov. 24, 1992. <br />Method blank values have not been subtracted. <br />"' = 40 CFR 261.24 (7-1-94 Edition(, Table 1-Maximum Concentration of Contaminants for <br />the Toxicity Characteristics. <br />~~ . ~ . <br />Analyst <br />_gZ_ <br /> <br />Approved <br />