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WMAR <br /> 4 -0L C <br /> MOBILE CHEM LABS INC. <br /> 1678 Re0ez Uatley Road <br /> LCfayette,CA 94549• (495) 945.1266 <br /> Delta Environmental Consultants, Inc. <br /> 3330 Data Dr. <br /> Rancho Cordova, CA 95670 Date Sampled: 05-04--90 <br /> Attn: Jim Brownell Date Received: 05-04-90 <br /> Project Manager Date Reported: 05-04-90 <br /> LEAD ANALYSIS <br /> Sample Sample Detection <br /> Number Description Limit RESULTS <br /> PPM ppm <br /> W.O. # 40-89--012 <br /> Tracy Blvd. - Shell <br /> 050048 L-1 0.1 6.0 <br /> 050049 L-2 0.1 5.2 <br /> QA/QC: Duplicate Diviation is 3.3; <br /> Spike Recovery on 050049 is 87% <br /> Note: EPA Method 7420 <br /> MOBILE. CHEM.LABS <br /> Ronald G. Evans <br /> Lab Director <br />