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Project ID (number). 1-299,-04 Method FPA 8020 <br /> Project ID (name): Chevron/#0090959/103 W. 11th St., Tracy, CA Matrix Aqueous <br /> Matrix Spike and Matrix Spike Duplicate Results <br /> Matrix Matrix Matrix Spike Matrix Spike <br /> Original Spike Spike Spike Duplicate Duplicate Acceptability Limits <br /> Analyte Concentration Amount Concentration Recover X Concentration Recover % RPD Z RPD Recover Z <br /> EPA 8020 GTEL Sample ID C4120341-03 Spike ID:M010395-3 Dup ID M010395-4 <br /> Units: u /L Analysis Date 31-DEC-94 03-JAN-95 04-JAN-95 Client ID Batch QC <br /> Benzene <-0.30 20.0 20.04.. 100. 20.2 101. 0.9 34 57 3»1382 <br /> Toluene < 0 30 ** 20 0 19 5 97 5 19 8 99 0 1 5 31 63-134% <br /> EttWlbeOZeT , < 0.3D v 20.0 M3 , 96.E 19.6 98 0 1 3 38 59.3-137% <br /> Xylenes (Total) < 0 50 60.0 57 8 96 1 59 6 99 1 3 31 59 3-144% <br /> Notes <br /> ** C4120341-03 Toluene For data validation purposes an estimated concentration of 0 262 vAich is below the reporting limit was used to <br /> calculate the spike recovery results <br /> 0 <br />