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CLS Labs <br />Analysis Report:. Total Petroleum Hydrocarbons, EPA Method 8015 <br />Purge and Trap, EPA Method 5030 <br />Client: Grayland Environmental Project No.: 022-131 <br />2731 Quail Street Contact: Jeff Clayton <br />Davis, CA 95616 Phone: (916)756-1441 <br />Project: Lab Contact: George Hampton <br />Lab ID No.: N8834 <br />Date Extracted: 08/14/97 Job No.: 808834 <br />Date Analyzed: 08/14/97 COC Log No.: 06580 <br />Date Reported: 08/15/97 Batch No.: 20231 <br />Instrument ID: GCO18 <br />Analyst ID: JENNDC <br />Matrix: SOIL <br />MS SURROGATE <br />MS <br />MS Surr. <br />Surrogate <br />Conc. <br />Recovery <br />Analyte CAS No. (mg/kg) <br />(percent) <br />o-Chlorotoluene 95-49-8 0.100 <br />79 <br />MATRI% SPIRE <br />MS <br />MS Conc. <br />Analyte CAS No. (mg/kg) <br />Recovery <br />(percent) <br />Gasoline N/A 2.50 <br />61 MA <br />MSD SURROGATE <br />MSD <br />Surr. <br />Conc. <br />Surrogate <br />Recovery <br />Analyte CAS No. (mg/kg) <br />(percent) <br />o-Chlorotoluene 95-49-8 0.100 <br />88 <br />MATRI% SPIKE DUPLICATE <br />MSD Conc. <br />MSD <br />Recovery <br />Analyte CAS No. (mg/kg) <br />(percent) <br />Gasoline N/A 2.50 <br />105 <br />RELATIVE % DIFFERENCE <br />Relative <br />Percent <br />Difference <br />Analyte CAS No. <br />(percent) <br />1 <br />Gasoline N/A <br />53 MA <br />MA = Recovery data is outside standard QC limits due to matrix <br />interference. LCS recovery data validates methodology. <br />G DOHS ELM p --ditation/Registration —b- 1233 <br />3249 Fitzgerald Road 3083 Gold Canal Drive <br />Rancho Cordova, CA 95742 Rancho Cordova, CA 95670 <br />(916) 638-7301 (916) 852-6600 <br />Fax(916)638-4510 Fax(916)852-7292 <br />