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=a* Laboratories Inc. i Environmental Testing Laboratory Since 1949 Geologic Associates Project: Forward Landfill-Monthly Reported: 02/08/2010 16:25 16885 W. Bernardo Drive Project Number: GTF Effluent San Diego, CA 92127 Project Manager: Bill Lopez Volatile Organic Analysis ( ) Quality Control Report - Precision & Accuracy Control Limits Source Source Spike Percent Percent Constituent Batch ID QC Sample Type Sample ID Result Result Added Units RPD Recoveg RPD Recove Lab Quals Benzene BTA1535 Matrix Spike 0917254-48 ND 26.425 25.000 ug/L 106 70-130 Matrix Spike Duplicate 0917254-48 ND 26.096 25.000 ug/L 1.3 104 20 70-130 Bromodichloromethane BTA1535 Matrix Spike 0917254-48 ND 25.766 25.000 ug/L 103 70-130 Matrix Spike Duplicate 0917254-48 ND 24.164 25.000 ug/L 6.4 96.7 20 70-130 Chlorobenzene BTA1535 Matrix Spike 0917254-48 ND 25.614 25.000 ug/L 102 70-130 Matrix Spike Duplicate 0917254-48 ND 24.941 25.000 ug/L 2.7 99.8 20 70-130 Chloroethane BTA1535 Matrix Spike 0917254-48 ND 27.353 25.000 ug/L 109 70-130 Matrix Spike Duplicate 0917254-48 ND 26.904 25.000 ug/L 1.7 108 20 70-130 1,4-Dichlorobenzene BTA1535 Matrix Spike 0917254-48 ND 25.869 25.000 ug/L 103 70-130 Matrix Spike Duplicate 0917254-48 ND 24.638 25.000 ug/L 4.9 98.6 20 70-130 1,1-Dichloroethane BTA1535 Matrix Spike 0917254-48 ND 26.752 25.000 ug/L 107 70-130 Matrix Spike Duplicate 0917254-48 ND 26.115 25.000 ug/L 2.4 104 20 70-130 1,1-Dichloroethene BTA1535 Matrix Spike 0917254-48 ND 25.997 25.000 ug/L 104 70-130 Matrix Spike Duplicate 0917254-48 ND 26.195 25.000 ug/L 0.8 105 20 70-130 Toluene BTA1535 Matrix Spike 0917254-48 ND 26.451 25.000 ug/L 106 70-130 Matrix Spike Duplicate 0917254-48 ND 25.894 25.000 ug/L 2.1 104 20 70-130 Trichloroethene BTA1535 Matrix Spike 0917254-48 ND 25.584 25.000 ug/L 102 70-130 Matrix Spike Duplicate 0917254-48 ND 25.058 25.000 ug/L 2.1 100 20 70-130 1,2-Dichloroethane-d4(Surrogate) BTA1535 Matrix Spike 0917254-48 ND 10.008 10.000 ug/L 100 76-114 Matrix Spike Duplicate 0917254-48 ND 9.8357 10.000 ug/L 98.4 76-114 Toluene-d8(Surrogate) BTA1535 Matrix Spike 0917254-48 ND 9.9457 10.000 ug/L 99.5 88-110 Matrix Spike Duplicate 0917254-48 ND 9.8693 10.000 ug/L 98.7 88-110 4-Bromofluorobenzene(Surrogate) BTA1535 Matrix Spike 0917254-48 ND 9.3337 10.000 ug/L 93.3 86-115 Matrix Spike Duplicate 0917254-48 ND 9.6640 10.000 ug/L 96.6 86-115 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. All results listed in this report are for the exclusive use of the submitting part'. BC Laboratories,Inc.assumes no responsibility for report alteration,separation,detachment or third party interpretation. 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 6 of 11 Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A