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eSRECEIVED <br /> Argon <br /> La oratori � . <br /> Organics • Inorganics • On-,Site A�R `� 1 1995 <br /> 3008 McKittrick Ct., Suite N Ceres, CA 95307 • (209) 537-7836 QnS'd---------•-- <br /> GROUND ZERO ANALYSIS, INC. Date Sampled: 04/05/95 <br /> 3422 W. Hammer Ln. , Suite C-294 Date Received: 04/07/95 <br /> Stockton, CA 95219 Date Reported: 04/17/95 <br /> Project ID: 011 Matrix: Soil <br /> Lead (Pb) <br /> EPA Method 7420 <br /> Sample Sample Detection Results <br /> Number Description Limit <br /> ----------- --------- ---------------------- <br /> PPm Ppm <br /> 504021 BC L2A 3 ' 5 . 0 ND <br /> 504022 BC L2B 4 ' 5 . 0 ND <br /> 504023 BC LinelA 5 . 0 ND <br /> 504024 BC L3B 5 . 0 ND <br /> 504026 BC LIB 5 .0 ND <br /> 504027 BC L3A 5 . 0 ND <br /> Method Blank 5 . 0 ND <br /> QA/QC: 99% Laboratory Control Spike Recovery <br /> 97% Duplicate Spike Recovery <br /> Note: ppm=mg/Kg <br /> Sample prepared by extraction method 3050. <br /> ARGON LABORATORIES <br /> ,�'A <br /> Hiram Cueto <br /> Lab Director <br /> ARGON MOBILE LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> D.O.H.S.AS A HAZARDOUS WASTE TESTING LABORATORY(CERTIFICATION NO. 1873) <br />