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Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Project: Forward Landfill Reported: 05/04/2009 10:27 <br /> 16885 W. Bernardo Drive Project Number: Monthly Air Stripper <br /> San Diego,CA 92127 Project Manager: Sarah Battelle <br /> Volatile Organic Analyrsis ( ) <br /> Quality Control Repo - Precision & Accuracy <br /> Control Limits <br /> Source Source Spike Percent Percent <br /> Constituent Batch ID QC Sample Type Sample ID Result Result Added Units RPD Recoveq RPD Recoveg Lab Quals <br /> Benzene BSD1932 Matrix Spike 0905388-01 ND 26.020 25.000 ug/L 104 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 26.150 25.000 ug/L 1.0 105 20 70-130 <br /> Bromodichloromethane BSD1932 Matrix Spike 0905388-01 ND 25.860 25.000 ug/L 103 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 25.870 25.000 ug/L 0 103 20 70-130 <br /> Chlorobenzene BSD1932 Matrix Spike 0905388-01 ND 23.580 25.000 ug/L 94.3 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 23.790 25.000 ug/L 0.9 95.2 20 70-130 <br /> Chloroethane BSD1932 Matrix Spike 0905388-01 ND 26.850 25.000 ug/L 107 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 26.140 25.000 ug/L 1.9 105 20 70-130 <br /> 1,4-Dichlorobenzene BSD1932 Matrix Spike 0905388-01 ND 24.280 25.000 ug/L 97.1 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 24.280 25.000 ug/L 0 97.1 20 70-130 <br /> 1,1-Dichloroethane BSD1932 Matrix Spike 0905388-01 ND 25.530 25.000 ug/L 102 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 25.410 25.000 ug/L 0 102 20 70-130 <br /> 1,1-Dichloroethene BSD1932 Matrix Spike 0905388-01 ND 26.400 25.000 ug/L 106 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 25.060 25.000 ug/L 5.8 100 20 70-130 <br /> Toluene BSD1932 Matrix Spike 0905388-01 ND 24.340 25.000 ug/L 97.4 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 24.430 25.000 ug/L 0.3 97.7 20 70-130 <br /> Trichloroethene BSD1932 Matrix Spike 0905388-01 ND 24.370 25.000 ug/L 97.5 70-130 <br /> Matrix Spike Duplicate 0905388-01 ND 24.210 25.000 ug/L 0.7 96.8 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) BSD1932 Matrix Spike 0905388-01 ND 10.830 10.000 ug/L 108 76-114 <br /> Matrix Spike Duplicate 0905388-01 ND 10.040 10.000 ug/L 100 76-114 <br /> Toluene-d8(Surrogate) BSD1932 Matrix Spike 0905388-01 ND 9.7800 10.000 ug/L 97.8 88-110 <br /> Matrix Spike Duplicate 0905388-01 ND 9.8400 10.000 ug/L 98.4 88-110 <br /> 4-Bromofluorobenzene(Surrogate) BSD1932 Matrix Spike 0905388-01 ND 9.7400 10.000 ug/L 97.4 86-115 <br /> Matrix Spike Duplicate 0905388-01 ND 9.5100 10.000 ug/L 95.1 86-115 <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting party. BC Laboratories,Inc.assumes no responsibilitv for report alteration,separation,detachment or third party interpretation. <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 7 of 14 <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />