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CALIFORNIA LABORATORY SERVICES <br /> Committed. Responsive. Flexible. <br /> Page 9 of 10 03/22/19 14:54 <br /> RAH Environmental,Inc.-Sacramento Project: UPS Lathrop Freight <br /> 4645 Raley Boulevard Project Number: [none] CLS Work Order#:19CO861 <br /> Sacramento,CA 95838 Project Manager: Ray Henry COC#: 195650 <br /> Volatile Organic Compounds by EPA Method 82608-Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1902232-EPA 5030 Soil MS <br /> Blank(1902232-BLKI) Prepared&Analyzed:03/19/19 <br /> Di-isopropyl ether ND 5.0 pg/kg <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 /> Surrogate:Toluene-d8 29.3 30.0 98 60-140 <br /> LCS(1902232-BSI) Prepared&Analyzed:03/19/19 <br /> Methyl cert-butyl ether 20.1 5.0 µg/kg 20.0 101 60-140 <br /> Benzene 26.7 5.0 20.0 134 60-140 <br /> Surrogate:Toluene-d8 31.9 30.0 106 60-140 <br /> LCS Dup(1902232-BSD1) Prepared&Analyzed:03/19/19 <br /> Methyl cert-butyl ether 23.9 5.0 pg/kg 20.0 119 60-140 17 30 <br /> Benzene 26.1 5.0 20.0 131 60-140 2 30 <br /> Surrogate:Toluene-d8 29.0 30.0 97 60-140 <br /> Matrix Spike(1902232-MSI) Source:19CO948-01 Prepared:03/19/19 Analyzed:03/20/19 <br /> Methyl cert-butyl ether 24.4 5.0 µg/kg 20.0 ND 122 60-140 <br /> Benzene 24.7 5.0 20.0 ND 124 60-140 <br /> Surrogate:Toluene-d8 29.0 30.0 97 60-140 <br /> Matrix Spike Dup(1902232-MSD1) Source: 1900948-01 Prepared:03/19/19 Analyzed:03/20/19 <br /> Methyl tert-butyl ether 12.9 5.0 pg/kg 20.0 ND 65 60-140 61 30 QM-5 <br /> Benzene 22.1 5.0 20.0 ND Ill 60-140 11 30 <br /> Surrogate:Toluene-d8 27.8 30.0 93 60-140 <br /> 3249 Fitzgerald Road,Rancho Cordova,CA 95742 1 800.638.7301 1 Tel:916.638.7301 x102 1 Fax:916.638.45 10 1 www.caUfornialab.com <br /> Small Business#2916 1 ELAP#1233 1 NAICS#541380 1 CA SWRCB ELAP Accreditation/Registration Number 1233 <br />