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I( <br /> 7,1 <br /> �- MATRIX ENVIRONMENTAL LABORATORIES <br /> 3017 KILGORE ROAD#100 RANCHO CORDOVA,CA 95742 PHONE(916)635-3962 FAX(916)635-9331 <br /> ANALYSIS: TPH MATRIX SPIKE SUMMARY <br /> Client: Helmick & Lerner, Inc. <br /> Contact: D. Nakamoto Date Sampled: N/A <br /> COC No: 4424 Date Received: N/A <br /> Pro)ect No: 10101 Tracy Date Extracted: 5/10/94 <br /> Matrix: SOIL Date of Analysis: 5/10/94 <br /> CONIC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY RPD <br /> (mg/L) LCS LCSD LCS LCSD <br /> DIESEL 50 47 . 6 50 95% 100% 5% <br /> LCS= LABORATORY CONTROL SPIKE <br /> LCSD= LABORATORY CONTROL SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> �NC= CONCENTRATION <br /> i <br /> I <br /> i <br /> I <br /> I <br />