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<br />CALIFORNIA LABORATORY SERVICES <br /> <br />Page 3 of 4 <br />Committed. Responsive. Flexible. <br /> <br />08/27/20 13:47 <br />RAH Environmental, Inc. - Sacramento Project: Fernando Soares Trucking <br />4645 Raley Boulevard <br />Project Number: [none] <br />CLS Work Order #: 20H1314 <br />Sacramento, CA 95838 <br /> <br />Project Manager: Ray Henry COC #: GREEN <br />Metals by EPA 6000/7000 Series Methods - Quality Control <br />Analyte <br />Reporting <br />Result Limit Units <br />Spike Source <br />Level Result %FtEC <br />%R EC <br />Limits RPD <br />RPD <br />Limit Notes <br />Batch 2006841 - EPA 3050B <br />Blank (2006841-BLK1) Prepared & Analyzed: 08/26/20 <br />Cadmium ND 1.0 mglkg <br />Chromium ND 5.0 <br />Lead ND I0 <br />Nickel <br />Zinc <br />ND 10 <br />ft ND 5.0 <br />LCS (2006841-BSI ) Prepared & Analyzed: 08/26/20 <br />Cadmium 109 1.0 mg/kg 100 109 75-125 <br />Chromium 108 5.0 100 108 75-125 <br />Lead 107 10 It 100 107 75-125 <br />Nickel Ill 10 100 I 1 1 75-125 <br />Zinc 107 5.0 100 107 75-125 <br />Matrix Spike (2006841-MS1) Source: 20H1314-01 Prepared & Analyzed: 08/26/20 <br />Cadmium 96.1 1.0 mg/kg 100 0.587 95 75-125 <br />Chromium 113 5.0 100 23.9 89 75-125 <br />Lead 153 10 " 100 56.0 98 75-125 <br />Nickel 1 l 1 10 100 13.8 97 75-125 <br />Zinc 220 5.0 100 114 106 75-125 <br />Matrix Spike Dup (2006841-MSDI) Source: 20H1314-01 Prepared & Analyzed: 08/26/20 <br />Cadmium 95.7 1.0 mg/kg 100 0.587 95 75-125 0.3 30 <br />Chromium 119 5.0 100 23.9 95 75-125 6 30 <br />Lead 147 10 ,, I 00 56.0 91 75-125 4 30 <br />Nickel 112 10 tf 100 13.8 98 75-125 l 30 <br />Zinc 201 5.0 ,, 100 114 87 75-125 9 30 <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.californialab.com <br />Small Business #2916 1 ELAP #1233 I NAICS #541380 1 CA SWRCB ELAP Accreditation/Registration Number 1233