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Analytca Laboratory CERTIFICATE OFANALYSIS <br /> Monday,December 12,2011 <br /> Attention: Jay Visconti <br /> Northwood Properties Report Page 11 of 23 <br /> 324 Manhatton Beach Blvd <br /> Manhatton Beach, CA 966634 <br /> Metals by EPA 6000/7000 Series Methods <br /> Sample Information <br /> Sample ID: PR#6 @ 2.5ft Sample Type: Grab <br /> Laboratory ID: 1120702-06 Project Name: 4221 Giannecchini Lane <br /> Date17-1me Sampled: 07-Dec-11 09:00 by David Vansteyn Sample Matrix: Soil <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Date Method Notes <br /> Silver ND 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Arsenic 1.46 0.0500 mg/kg dry 5 AL11201 12-Dec-11 12-Deo-11 EPA 6020A <br /> Barium 172 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Dec li EPA 6020A <br /> Beryllium 0.496 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Cadmium 1.08 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Cobalt 1.81 0.0100 mg/kg dry 1 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Chromium 25.3 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Chromium(VI) ND 0.0500 mg/kg 1 AL10706 07-Deo-11 07-Deo-11 EPA 7196A <br /> Copper 17.4 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Mercury ND 0.500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Molybdenum ND 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Nickel 23.3 0.0500 mg/kg dry 5 AL11201 12-Dec-11 12-Deo-11 EPA 6020A <br /> Lead 7.93 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Antimony ND 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Selenium ND 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Thallium 0.116 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> Vanadium 21.1 0.0500 mg/kg dry 5 AL11201 12-Deo-11 12-Dec-11 EPA 6020A <br /> Zinc 36.6 0.500 mg/kg dry 5 AL11201 12-Deo-11 12-Deo-11 EPA 6020A <br /> mg/L=milligrams per Liter=ppm DLR=Detection Limit for Purpose of Reporting. <br /> ug/L=micrograms per Liter=ppb F=eptional sample matrices or interferences may <br /> restth in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> C—Wot'r� <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 nhone: (•^09) 4'?-8105 Fax: (209) 5-10-1,49.7 <br />