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~ <br />Z~iREE F;IVERS <br />ENVIItONMENTAL <br />TCLP (LEAD) Analysis Summary <br />CLIENT:CEN"I'URYWESTIIVGINEERINGCORI'. TRE: #1420-15 <br />PROJECT: SAI.EM COURTHOUSE SQUARE,GOLDBERG BLDG. DATE SAMPLED: JUNE, 27 1997 <br />DATES OF ANALYSIS: JULY, 1-3 1997 <br />PAGE 1 OF 1 <br />Sample Initial pH Concentration <br />SamUle # Material Descrintion Weight (g) PPM (mg/L) <br />Gold-TCLP Demo. Debris <br />100 6.08 <br /><0.500 <br />QUALITY CONTROL DATA <br />BATCH#: <br />INCLUSIVE EHS SAMPLE NUMBER: <br />Initial Calibration Verification (S.OOppm Pb) <br />Laboratory Control Standard (10.0% Pb) <br />Continuing Calibration Verification 10 ( lO.Oppm Pb) <br />Continuing Calibration Verification 5(S.OOppm Pb) <br />Matrix Spike <br />Duplication Relative Percent Difference <br />Regulatory Limit <br />Reporting Limit <br />0703997T-1 <br />Ol <br />102% Recovery <br />103% Recovery <br />105% Recovery <br />93.0% Recovery <br />88.9% Recovery <br />8.77 RPD <br />S.OOmg/L <br />O.SOOmg/L <br />Method: S W8461311 /7420 <br />Analyst: BayardVandegrft (Environmental Hazards Services, Inc.) ReviewedB . <br />Tjzr e Rive"rs Enviro»merital) <br />Method EPA SW846 1311 recommends 100g for analysis <br />Results represent the analysis of samples submitted by the client. Sample location, description, area, volume etc., ~~~as pro~°ided <br />by the client. This report shall not be reproduced except in full, without the written consent of Three Ri~~ers En~~ironmental. <br />P.O. Box 216 Gladstone. OR 97027 (5031 557 2396 Fax 557 3025 <br />