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Page 6 <br />July 17, 2012 <br />Project Number 2012-04-010 <br />Laboratory Results <br />The table below presents the laboratory results as reported by Enviro-Chem, Inc. Laboratories.. <br />Complete laboratory results are attached. The Regional Screening Levels were reviewed for <br />each chemical for soil being used for industrial purposes. Screening Levels provide a risk-based <br />determination of environmental concerns on a potentially contaminated property. Note that the <br />lab reports concentrations in parts per million (mg/kg). <br />Table 1. Soil Analytical Results for 2377 N Waterloo Rd, Stockton, CA 95205. <br />Chemical <br />1 <br />B-1 @3' <br />(mg/kg) <br />B-2@6' <br />(mg/kg) <br />B-3@8' <br />(mg/kg) <br />PETROLEUM Hydrocarbons <br />Diesel 22.1 I ND ND <br />VOCs ND ND ND <br />Red highlight is elevated. <br />Table 2. Soil Analytical Results for 2377 N Waterloo Rd, Stockton, CA 95205. <br />ChelniCal B-1 @3' <br />(mg/kg) <br />B-2@6' <br />(mg/kg) <br />B-3@8' <br />(mg/kg) <br />PCBs <br />PCBs ND - ND ND .. <br />Table 3. Soil Analytical Results for 2377 N Waterloo Rd, Stockton, CA 95205. <br />B-1 (r0' <br />(mg/kg) <br />Metals <br />Sb NI) ND ND <br />As ND ND ND <br />Ba 172 167 137 <br />Be ND ND <br />, <br />ND <br />Cd ND ND ND <br />Cr 44.0 50.1 <br />1 <br />40.6 <br />Cr6 - -- -- <br />C ENVIRO ASSESS <br />PO BOX 1154, BONNERS FERRY, ID 83805 <br />ENVIRONMENTAL • ENGINEERING GEOLOGY <br />PHONE (877) 629-6838 FAX (877) 623-5493 <br />B-246' <br />(mg/kg) <br />B-3@8' <br />(mg/kg)