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tiff eurofins <br />Calscience <br />Quality Control - LCS <br />Page 17 of 23 <br />Cardno ERI Date Received 02/28/15 <br />601 North McDowell Blvd. Work Order: 15-02-2159 <br />Petaluma, CA 94954-2312 Preparation: EPA 3010A Total <br />Method: EPA 6010B <br />Project: ExxonMobil 99CAS/022789C Page 3 of 4 <br />0�,;alily Control Sampfe ID Type <br />Matrix <br />Instrument <br />Date Prepared <br />Date Analyzed LCS Batch Number <br />097-011-00-4490 LCS <br />Af itrcoum <br />ICP 7390 <br />03 V115 <br />03105i15 13:01 150-102LA.2 <br />Parameter <br />Spike Added <br />Cone. ReGpvered <br />LCS %Rec. %Rec. C Qualifiers <br />Arsenic <br />0.5000 <br />0.4703 <br />94 <br />80-120 <br />Cadmium <br />0.5000 <br />0.4925 <br />99 <br />80-120 <br />Lead <br />0.5000 <br />0.4907 <br />98 <br />80-120 <br />Selenium <br />0.5000 <br />0.4625 <br />93 <br />80-120 <br />RPD: Relative Percent Difference. CL: Control Limits <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 <br />