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c <br />4640 Pecos Street I Unit C <br />Denver, Colorado 8021 1 <br />303.433.1 322 ; Laboratory <br />303.265.9645 ; Fax <br />LAB0 RAT01YY, I NC. <br />Molen & Associates, LLC Mark Molen <br />2090 East 104the Avenue - #205 Project Number: N/A <br />Thornton CO 80233 Project: Broda's <br />Volatile Organic Compounds by EPA Method 82608 - Quality Control <br />Origins Laboratory, Inc. <br />Reporting Spike Source %REC RPD <br />Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br />Batch 9H1 8004 - EPA 5030B <br />Matrix Spike (9H1 8004-MS1) Source: X908043-01 Prepared: 08/18/2009 Analyzed: 08/19/2009. <br />Benzene 54.5 1.0 ug/L 50.0 ND 109 85.9-137 <br />Chlorobenzene 33.3 1.0 50.0 ND 66.6 78-120 QM-07 <br />Toluene 35.6 1.0 50.0 ND 71.2 71.9-133 QM-07 <br />Trichloroethene 48.6 1.0 50.0 ND 97.2 78.2-146 <br />Surrogate: 7,2-Dichloroethane-d4 69.8 61.5 712 76.5-723 <br />Surrogate:4-Bromofluorobenzene 67.2 61.5 107 75.5-733 <br />Surrogate: Toluene-d8 5Z.2 62.5 83.5 77.1-713 <br />Matrix Spike Du (9H1 8004-MSD1) Source: X908043-01 Prepared: 08/18/2009 Analyzed : 08/19 /2009 <br />Benzene 52.7 1.0 ug/L 50.0 ND 105 85.9-137 3.45 25 <br />Chlorabenzene 31.5 1 p 50.0 ND 62.9 78-120 5.6S 25 QM-07 <br />Toluene 34.0 1.0 50.0 ND 67.9 71.9-133 4.80 25 QM-07 <br />Trichloroethene 47.0 1.0 S0.0 ND 93.9 78.2-146 3.41 25 <br />Surrogate: 7,2-Dichloroethane-d4 60.5 62.5 96.8 76.5-123 <br />Surrogate:4-Bromofluorobenzene 68.9 " 61.5 770 75.5-733 <br />Surrogate: Toluene-d8 64.4 62.5 703 71.1-773 <br />Origins Laboratory, Inc. <br />The results in this report apply to the samples analyzed in <br />accordance with the chain of custody document. This <br />analytical report must be reproduced in its entirety. <br />Page 15 of 16 <br />Noelle E Doyie, Laboratory Manager