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EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 1 <br /> 500 Giuseppe Court, Suite 3 <br /> Roseville, CA 95678 <br /> Phone#: (916) 773-3664 Fax#: (916) 773-4784 <br /> ANALYSIS REPORT <br /> Attention: Joe Ramage Date Sampled: 12/11 /03 <br /> -� Ramage Environmental Date Received: 12/12/03 <br /> P.O. Box 4869 Date Analyzed : - 12/ 16 , 17/03 <br /> Rancho Murieta , CA 95683 <br /> Project: SJC- Garage <br /> Method: EPA 8260B <br /> 1 Client Sample I .D. MW-1 MW-2 MW-3 MW-4 <br /> i <br /> LAB. NO. Method Blank W1203498 W1203499 W1203500 W1203501 <br /> R/L` :esMtst R/L' Results R/L Results "R/L* Results R/L I Results <br /> tert-Butanol 5.0 NO 50 ND 5 .0 ND 500 ND5.0 ND <br /> MTBE 0.5 NO 5.0 ND 0.5 ND 50 ND 0.5 ND <br /> Diisopropyl ether 0.5 NO 5.0 ND 0.5 ND 50 ND 0.5 ND <br /> I — Ethyl tett butyl ether 0.5 NO 5.0 ND 0.5 ND 50 ND 0.5 ND <br /> tertAmyl methyl ether 0.5 NO 5.0 ND 0.5 ND 50 ND 0.5 ND <br /> iSURROGATE I %RECOVERY <br /> Dibromoflouromethane 97 90 98 96 93 <br /> Toluene-d8 99 106 130 100 i 97 <br />? ll 4-Bromofluorobenzene 112 104 103 105 1 107 <br /> r _ ! <br /> QA/QC %RECOVERY QA/QC Limits Surrogate Limits <br /> LCS LCSD % Recovery RPD % Recovery <br /> J 1 ,1 -Dichloroethene 106 99 80-120 15 70%- 130% - <br /> Benzene 91 96 80-120 15 <br /> Trichloroethene 83 89 80-120 15 <br /> Toluene 87 88 80-120 15 <br /> Chlorobenzene 85 87 80-120 15 <br /> QA/QC Analyzed: 12/17/03 <br /> I, <br /> NO = Not detected . Compound(s) may be present at concentrations below the reporting limit. <br /> R/L = Reporting Limit <br /> Water samples seportdd in µg'L. <br /> RPD = Relative percent difference <br /> Elevated reporting levels are due to high concentration of non-target analytes requiring sample dilution . <br /> REPORT RE-ISSUED 02/19/04 ON CLIENT REQUEST FOR QA/QC LIMITS <br /> r - <br /> 12/22/03 <br /> - 1 Laboratory Representative Date Reported <br /> I <br /> ExCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (CerMicalion No. 2119) <br /> 2 <br />