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EVERGREEN ANALYTICAL, INC. <br />4036 Youngfield St. Wheat Ridge, CO 80033 <br />(3031 425-6021 <br /> <br />TOXICITY CHARACTERISTIC LEACHING PROCEDURE (TCLP) <br />SUMMARY REPORT <br />Client Sample ~ A245-2 Fly Ash B-3 <br />Lab Sample ax 02A <br />Spiked Sample if 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 Values' Levels"' <br /> % mg/L mg/L <br />Arsenic 94 < 0.28 5.0 <br />Barium 106 2.0 100.0 <br />Cadmium 100 < 0.014 1.0 <br />Chromium 100 < 0.061 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 0.0009 0.2 <br />Note: Results are reported on the leachate from the TCLP extraction. <br />• =Spikes are performed once for each similar matrix (water, 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 17-1-94 Editionl, Table 1-Maximum Concentration of Contaminants for <br />• the Toxicity Characteristics. <br />"( f - ~~ -83- ."~~ <br />Analyst Approved <br />