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jaLaboratories Inc. J'I <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Project: Forward Landfill Reported: 06/26/2009 16:34 <br /> 16885 W. Bernardo Drive Project Number: Air Stripper Tower 2009 <br /> San Diego,CA 92127 Project Manager: Sarah Battelle <br /> Volatile Organic (EPA Method ) <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 Recove RPD Recovery Lab Quals <br /> Bromodichloromethane BSF1126 Matrix Spike 0907582-04 ND 24.990 25.000 ug/L 100 70-130 <br /> Matrix Spike Duplicate 0907582-04 ND 25.740 25.000 ug/L 3.0 103 20 70-130 <br /> Chlorobenzene BSF1126 Matrix Spike 0907582-04 ND 25.300 25.000 ug/L 101 70-130 <br /> Matrix Spike Duplicate 0907582-04 ND 25.690 25.000 ug/L 2.0 103 20 70-130 <br /> Chloroethane BSF1126 Matrix Spike 0907582-04 ND 30.970 25.000 ug/L 124 70-130 <br /> Matrix Spike Duplicate 0907582-04 ND 31.730 25.000 ug/L 2.4 127 20 70-130 <br /> 1,4-Dichlorobenzene BSF1126 Matrix Spike 0907582-04 ND 26.430 25.000 ug/L 106 70-130 <br /> Matrix Spike Duplicate 0907582-04 ND 27.140 25.000 ug/L 2.8 109 20 70-130 <br /> 1,1-Dichloroethane BSF1126 Matrix Spike 0907582-04 ND 26.880 25.000 ug/L 108 70-130 <br /> Matrix Spike Duplicate 0907582-04 ND 28.060 25.000 ug/L 3.6 112 20 70-130 <br /> 1,1-Dichloroethene BSF1126 Matrix Spike 0907582-04 ND 26.300 25.000 ug/L 105 70-130 <br /> Matrix Spike Duplicate 0907582-04 ND 26.680 25.000 ug/L 1.9 107 20 70-130 <br /> Toluene BSF1126 Matrix Spike 0907582-04 ND 25.500 25.000 ug/L 102 70-130 <br /> Matrix Spike Duplicate 0907582-04 ND 24.590 25.000 ug/L 3.6 98.4 20 70-130 <br /> Trichloroethene BSF1126 Matrix Spike 0907582-04 ND 24.970 25.000 ug/L 99.9 70-130 <br /> Matrix Spike Duplicate 0907582-04 ND 24.130 25.000 ug/L 3.5 96.5 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) BSF1126 Matrix Spike 0907582-04 ND 10.380 10.000 ug/L 104 76-114 <br /> Matrix Spike Duplicate 0907582-04 ND 10.820 10.000 ug/L 108 76-114 <br /> Toluene-d8(Surrogate) BSF1126 Matrix Spike 0907582-04 ND 10.050 10.000 ug/L 100 88-110 <br /> Matrix Spike Duplicate 0907582-04 ND 9.9000 10.000 ug/L 99.0 88-110 <br /> 4-Bromofluorobenzene(Surrogate) BSF1126 Matrix Spike 0907582-04 ND 10.290 10.000 ug/L 103 86-115 <br /> Matrix Spike Duplicate 0907582-04 ND 10.180 10.000 ug/L 102 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 responsibility 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 11 of 23 <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />