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a2T <br /> Alpha Analytical Laboratories, Inc. email: clientservices@alpha-labs.com <br /> Corporate: 208 Mason Street I Ukiah, CA 95482 1 T: 707-468-0401 1 F: 707-468-5267 1 FLAP# 1551 <br /> Intrinsic Transportation,Inc. Project Manager: Stuart Levang <br /> 3250A Dutton Ave. Project: Wash Rack Reported: <br /> Santa Rosa,CA 95407 Project Number: Holt of Calif-Pleasant Grove 05/09/19 11:58 <br /> Metals by EPA 6000/7000 Series Methods-Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte(s) Result Limit Units Level Result %REC Limits RPD Limit Flag <br /> Batch AD94380-NB EPA 7471A Hg Soil <br /> Blank(AD94380-BLKI) Prepared&Analyzed:04/29/19 <br /> Mercury ND 0.20 mg/kg <br /> LCS(AD94380-BSI) Prepared&Analyzed:04/29/19 <br /> Mercury 0.246 0.20 mg/kg 0.300 82.0 80-120 <br /> LCS Dup(AD94380-BSDI) Prepared&Analyzed:04/29/19 <br /> Mercury 0.256 0.20 mg/kg 0.300 85.3 80-120 3.98 20 <br /> Duplicate(AD94380-DUPI) Source:19D2833-01 Prepared&Analyzed:04/29/19 <br /> Mercury ND 0.20 mg/kg ND 20 <br /> Duplicate(AD94380-DUP2) Source:19D2977-02 Prepared&Analyzed:04/29/19 <br /> Mercury 2.12 1.0 mg/kg 2.15 1.56 20 <br /> Batch AE93063-NB EPA 3050B <br /> LCS(AE93063-BSI) Prepared:05/01/19 Analyzed:05/06/19 <br /> Antimony 23.1 2.0 mg/kg 25.0 92.5 85-115 <br /> Arsenic 23.1 1.5 mg/kg 25.0 92.5 80-120 <br /> Barium 24.8 2.0 mg/kg 25.0 99.3 80-120 <br /> Beryllium 24.0 0.50 mg/kg 25.0 96.0 80-120 <br /> t Cadmium 23.2 0.50 mg/kg 25.0 92.7 85-115 <br /> Chromium 24.9 1.5 mg/kg 25.0 99.5 80-120 <br /> Cobalt 24.6 2.0 mg/kg 25.0 98.5 80-120 <br /> Copper 25.5 2.0 mg/kg 25.0 102 80-120 <br />( Lead 24.2 5.0 mg/kg 25.0 96.7 80-120 <br /> Molybdenum 24.5 2.0 mg/kg 25.0 98.1 80-120 <br /> Nickel 24.7 5.0 mg/kg 25.0 98.7 80-120 <br /> Selenium 21.4 5.0 mg/kg 25.0 85.7 80-120 <br /> Silver 6.58 1.0 mg/kg 6.25 105 80-120 <br /> Thallium 24.2 5.0 mg/kg 25.0 97.0 80-120 <br /> Vanadium 24.5 2.0 mg/kg 25.0 98.0 80-120 <br /> Zinc 27.0 5.0 mg/kg 25.0 108 80-120 <br /> The results is this report apply to the samples analyzed in accordance with the chain of custody document.This analytical report most be reproduced in its entirety. <br /> Page 5 of 12 <br /> r <br /> i <br />