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Laboratonq§,,VE,Ar on <br /> Organics • Inorganics • On-Site <br /> 3008 McKittrick Ct., Suite N Ceres, CA 95307 (209) 537-7836 JUN 13 1995 <br /> Ans d............ <br /> GROUNID ZERO ANALYSIS, INC. <br /> 3422 W. Hammer Ln. , Suite C-294 Date Sampled: 05/24/951 <br /> Stockton, CA 95219 Date Received: 05/26/95 <br /> Attn: Greg Stahl Date Analyzed: 05/07/95 <br /> Project Manager <br /> Project 1D: 95-015 Matrix: Water. <br /> Lead (Pb) <br /> EPA Method 7420 <br /> Sample Sample Detection Results <br /> Number Description Limit <br /> ------ ----------- --------- ------- <br /> ppm ppm <br /> 505191 W MW-1 0.05 <0.05 <br /> Method Blank 0.05 <0.05 <br /> QA/QC: 96%Matrix Spike Recovery <br /> 92% Duplicate Spike Recovery <br /> 4% RPD <br /> Note: Preparation Method 3010 <br /> ppm=mg/L <br /> ARGON LABORATORIES <br /> U�A_tiA Date ; <br /> Hiram Cueto Zbproval- <br /> POtered <br /> Lab Director <br /> ARGON MOBILE LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> D.O.H.S.AS A HA7ARD6US WASTE TESTING LABORATORY(CERTIFICATION N0.1873) <br />