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00 � � N <br /> � � -T=�H <br /> Analytics/ Laboratory CERTIFICATE OFANALYSIS <br /> Monday,December 12,2011 <br /> Attention: Jay Visconti <br /> Northwood Properties Report Page 20 of 23 <br /> 324 Manhatton Beach Blvd <br /> Manhatton Beach, CA 966634 <br /> Metals by EPA 6000/7000 Series Methods-Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit units Level Result %REC Limits RPD Limit Notes <br /> Batch AL11201 -EPA 3050B Units <br /> LCS(AL11201-BS1) Prepared&Analyzed: 12-Dec-11 <br /> Antimony 0.203 0.0100 mg/kg wet 0.200 102 80-120 <br /> Vanadium 0.0976 0.0100 0.100 98 80-120 <br /> Arsenic 0.104 0.0100 0.100 104 80-120 <br /> Barium 0.0971 0.0100 0.100 97 80-120 <br /> Beryllium 0.102 0.0100 0.100 102 80-120 <br /> Cadmium 0.105 0.0100 0.100 105 80-120 <br /> Chromium 0.0993 0.0100 0.100 99 80-120 <br /> Cobalt 0.102 0.0100 0.100 102 80-120 <br /> Copper 0.106 0.0100 0.100 106 80-120 <br /> Lead 0.105 0.0100 0.100 105 80-120 <br /> Mercury 0.0199 0.100 0.0200 100 75-125 <br /> Molybdenum 0.196 0.0100 0.200 98 80-120 <br /> Nickel 0.105 0.0100 0.100 105 80-120 <br /> Selenium 0.108 0.0100 0.100 108 80-120 <br /> Silver 0.0997 0.0100 0.100 100 80-120 <br /> Thallium 0.103 0.000200 0.100 103 80-120 <br /> Zinc 0.101 0.100 0.100 101 80-120 <br /> Calibration Check(AL11201-CCV1) Prepared&Analyzed: 12-Dec-11 <br /> Antimony 0.381 mg/kg wet 0.400 95 0-200 <br /> Vanadium 0.190 0.200 95 0-200 <br /> Arsenic 0.204 0.200 102 0-200 <br /> Barium 0.196 0.200 98 0-200 <br /> Beryllium 0.190 0.200 95 0-200 <br /> Cadmium 0.201 0.200 loo 0-200 <br /> Chromium 0.193 0.200 96 0-200 <br /> Cobalt 0.199 0.200 100 0-200 <br /> Copper 0.206 0.200 103 0-200 <br /> Lead 0.200 0.200 100 0-200 <br /> Mercury 0.0226 0.0200 113 0-200 <br /> Molybdenum 0.391 0.400 98 0-200 <br /> Nickel 0.198 0.200 99 0-200 <br /> Selenium 0.212 0.200 106 0-200 <br /> Silver 0.181 0.200 91 0-200 <br /> mR L=milligrams per Liter=ppm DLR=Detection Limit for Purpose ofReponing. <br /> ugiL=micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 shone: (209) 41 7-8105 Fax: (209) 546-749.' <br />