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1VL4 TRM EN VIA ONMENTA L LAB ORA TORIES <br /> 3017KILGORE ROAD#100 RANCHO CORDOVA, CA 9S742 PHONE(916) 635-3962 FAX(916)63S-9331 <br /> I <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 1.00 78 80 78$ 80% 3% <br /> ' LCS= LABORATORY CONTROL SPIKE <br /> LCSD= LABORATORY CONTROL SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> ' C= CONCENTRATION <br /> 1 <br />