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Analytical Laboratory <br />.Attention: Wendy Fouaks <br />Premier Finishing <br />7910 S. Longe Street <br />Stockton, CA 95206-3933 <br />Is <br />CERTIFICATE OFANALYSIS <br />Tztesdcn,, MaY 3, 2011 <br />Metals by EPA 200 Series Methods - Quality Control <br />Precision Enviro-Tech <br />Report Page 12 o f /1 <br />Reporting Spike Source %REC RPD <br />Analyte Result Limit Units Level Result %REC Limits RPD Linlit Notes <br />Batch AD 12702 - EPA 3020A <br />lVlatrix Spike Dup (AD12702-MSD1} <br />_ Source: 1042207-01 <br />Prepared: 27 -Apr -11 Analyzed: 28 -Apr -11 <br />Zinc <br />0.191 0.0100 mg/L <br />0.200 0.0224 85 75-125 2 <br />7.0 <br />Molvbdenum <br />0.0400 0,0100 <br />0.0408 75-125 2 <br />20 <br />Silver <br />0.0835 0.0100 <br />0.100 ND 83 70-125 2 <br />20 <br />Arsenic <br />0.0843 0.0100 <br />0.100 SVD 84 80-125 0.6 <br />20 <br />mg i. y nry hK1-ams Per l.rler = ppn <br />ng L - nurcrxtgroms per Liner - ppb <br />-SPECTFULLY SUBMITTED, <br />(�5 /OL-Z� <br />DLR = Detection Limu for Purpose of Reporting. <br />Exceptional sample marrices or interferences may <br />resrdr in higher detection linens. <br />Jonathan Le, Laboratory Director <br />.39.3.5 N. Corloraodo Ave Stockton C:4. 95 204 Dhone: (209) 47/7-8.105 Fax: (209) 546-749 <br />