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' Sparger Analytical Laboratory Division <br /> 1� —' Mobile Laboratory Division <br /> Technology, Inc. Scientific Division <br /> ' With Auromotion in Mind <br /> ' EPA Method 7420 <br /> Lead <br /> MSI MSD Recoveries <br /> tAttention: Mr. Charles Metzinger Date Sampled: Apr 14, 1998 <br /> 1 EMCON Date Received: Apr 14, 1998 <br /> 1433 North Market Blvd. Date Analyzed: Apr 21, 1998 <br /> Sacramento, CA 95834 Invoice# : 9349APR98 <br /> 1 Project#: 20939-011-001 Project Name: San Joaquin Cry-DAW <br /> ' Client ID: MS/MSD LAB ID: 9349-004A <br /> tMatrix: Soil Dilution 1 1 <br /> Units: (malkal <br /> Sample Spike MS % MSD % % <br /> Analyte Conc. Conc. MS Recovery MSD Recovery RSD <br /> ' Lead ND 1000 911 91.1% 914 91.4% 0.33% <br /> ppm=parts per million=mglkg=milligram per kilogram <br /> ND=Not Detected Compounds)may be present at concentrations below the deteobon limit. <br /> 1 <br /> I <br /> QtitU /a Q Apr 22, 1998 <br /> L.Abellanosa,Inorganics Supervisor l.. Date Reported <br /> ' SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE ST TE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING IBORATORY <br /> (CartHicatton No.1614) <br /> 7420mss <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 9582' - (916) 362-8947 e FAX (916) 362-0947 <br /> 1 <br />