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CALIFORNIA LABORATORY SERVICES <br /> Committed. Responsive. Flexible. <br /> Page 9 of 10 12/17/20 17:29 <br /> RAH Environmental,Inc.-Sacramento Project: Touba Logistics <br /> 4645 Raley Boulevard Project Number: [none] CLS Work Order#:20L0860 <br /> Sacramento,CA 95838 Project Manager: Ray Henry COC#:203434 <br /> Volatile Organic Compounds by EPA Method 8260B-Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result °/6REC Limits RPD Limit Notes <br /> Batch 2010240-EPA 5030 Soil MS <br /> Blank(2010240-BLKl) Prepared&Analyzed:12/16/20 <br /> Di-isopropyl ether ND 5.0 pglkg <br /> Ethyl tert-butyl ether ND 5.0 " <br /> Methyl tert-butyl ether ND 5.0 " <br /> tert-Amyl methyl ether ND 5.0 " <br /> tert-Butyl alcohol ND 50 " <br /> Benzene ND 5.0 " <br /> Ethylbenzene ND 5.0 " <br /> Toluene ND 5.0 <br /> Xylenes(total) ND 10 " <br /> Surrogate:Toluene-d8 13.1 30.0 77 60-140 <br /> LCS(2010240-BS1) Prepared&Analyzed:12/16/20 <br /> Methyl tert-butyl ether 20.2 5.0 µg/kg 20.0 101 60-140 <br /> Benzene 22.6 5.0 20.0 113 60-140 <br /> Surrogate:Toluene-d8 31.2 30.0 104 60-140 <br /> LCS Dup(2010240-BSD1) Prepared&Analyzed:12/16/20 <br /> Methyl tert-butyl ether 18.8 5.0 pg/kg 20.0 94 60-140 7 30 <br /> Benzene 22.4 5.0 20.0 112 60-140 1 30 <br /> Surrogate:Toluene-d8 19.0 30.0 97 60-140 <br /> 3249 Fitzgerald Road,Rancho Cordova,CA 95742 1 800.638.7301 1 Tel:916.638.7301 x102 1 Fax:916.638.4510 1 www.coliforniolob.com <br /> Small Business#2916 1 ELAP#1233 1 NAICS#541380 1 CA SWRCB ELAP Accreditation/Registration Number 1233 <br />