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eurof ins <br />Calscience <br />Quality Control - LCS <br />Page 16 of 23 <br />tiff <br />Cardno ERI Date Received: <br />02/28/15 <br />601 North McDowell Blvd. Work Order: <br />15-02-2159 <br />Petaluma, CA 94954-2312 Preparation: <br />EPA 5030C <br />Method: <br />EPA 8015B (M) <br />Project: ExxonMobil 99CAS/022789C Page 2 of 4 <br />Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS Batch Number <br />f37)-12- 3G 1�}3 LCS Aq�iauu; GC 42 03162115 ;Q3;p2i15.i:d4d 15W021-023 <br />Parameter Soike Added Conc. Recovered LCS %Rec. ° Rec. CL Qualifiers <br />TPH as Gasoline 2000 1920 96 78-120 <br />RPD: Relative Percent Difference. CL: Control Limits <br />7440 Lincoln Wav, Garden Grove. CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 <br />