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y <br /> MA TRIX ENVIRONMENTAL LABORA TORIES <br /> 3017 KILGORE ROAD 0100 RANCHO CORDOVA, CA 95741 PHONE(916) 635-3961 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: 4192 Date Received: N/A <br /> Project No: HLI 1010-1 Tracy F. D. No. 2 Date Extracted: 10/28/93 <br /> Matrix: WATER Date of Analysis: 10/28/93 <br /> CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY RPD <br /> (mg/L) LCS LCSD LCS LCSD <br /> DIESEL 100 78 80 78% 80% 3% <br /> LCS= LABORATORY CONTROL SPIKE <br /> LCSD= LABORATORY CONTROL SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> �NC= CONCENTRATION <br /> i <br />