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1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br /> 14;11 <br /> McCampbell Analytical , Inc . Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br /> "When Quality Counts" I http:/Awww.mccampbell.com / E-mail: mamQnccampbell.com <br /> Quality Control Report <br /> Client: CVE Demolition WorkOrder: 1912750 <br /> Date Prepared: 12/13/19 BatchlD: 190559 <br /> Date Analyzed: 12/13/19 - 12/14/19 Extraction Method: SW3050B <br /> Instrument: ICP-MS4 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/kg <br /> Project: D17124; West Side Market Sample ID: MB/LCS/LCSD-190559 <br /> QC Summary Report for Metals <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> Antimony No 0.094 0.50 - - - <br /> Arsenic NO 0.14 0.50 - - <br /> Barium NO 0.97 5.0 - - - <br /> Beryllium No 0.072 0.50 - - - <br /> Cadmium NO 0.058 0.25 - - - <br /> Chromium NO 0.092 0.50 - - <br /> Cobalt NO 0.056 0.50 - - - <br /> Copper 0,071 ,J 0.069 0.50 - - - <br /> Lead NO 0.094 0.50 - - - <br /> Mercury 0.008011 0.0050 0.050 - - - <br /> Molybdenum NO 0.23 0.50 - - - <br /> Nickel NO 0.072 0.50 - - - <br /> Selenium No 0.13 0.50 - - <br /> Silver NO 0.055 0.50 - - <br /> Thallium NO 0.10 0.50 - - - <br /> Vanadium NO 0.064 0.50 - - <br /> Zinc NO 1 .4 5.0 - - - <br /> Surrogate Recovery <br /> Terbium 390 500 78 70-130 <br /> (Cont.) <br /> CA ELAP 1644 • NELAP 4033ORELAP <br /> Page 27 of 34 <br />