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Lab Number: 9404-309-2 <br /> Page 2 of 3 <br /> CLIENT: Ladd Hastings PROJECT: STOCRTON-ASR <br /> Research Management Consulting Inc. <br /> 3190 South Wadsworth Boulevard Analyzed :04-27-94 <br /> Lakewood, CO 80227 Analyzed by:JDE <br /> Method :EPA 8270 <br /> REPORT OF ANALYTICAL RESULTS <br /> SAMPLE DESCRIPTION MATRIX SAMPLED BY SAMPLED DATE/TIME RECEIVED <br /> ----------------------------- ------- ----------------- ----------------- ---------- <br /> ----------------------------- ------- ----------------- ----------------- ---------- <br /> SAC-4 EXCAVATION EAST SOLID Ladd Hastings 15 APR 94/10:45 16 APR 94 <br /> ----------------------------- ------- ----------------- ----------------- ---------- <br /> ----------------------------- ------- ----------------- ----------------- <br /> ANALYTE RESULT RESULT *R.L. NOTES <br /> ug/kg ug/kg <br /> -------------------------------------------------- --------------- ----------- ----- <br /> TOTAL SEMI-VOLATILE PETROLEUM HYDROCARBONS 2,3,4 <br /> Diesel #2 ND 2500. <br /> Total Petroleum Hydrocarbons ND 10.000. <br /> Surrogate Nitrobenzene-d8 68. <br /> Surrogate 2-Fluorobiphenyl 72. <br /> Surrogate Terphenyl-d14 132. <br /> -------------------------------------------------- --------------- ----------- ----- <br /> EPA SW-846 or 600/4 METHODS except where noted-SM indicates Stand. Methods; 17th Ed. <br /> *Results of 'ND' not detected at or above the listed Reporting Limit (R.L. ) . <br /> [1] Sample Preparation on 04-19-94 by DB using EPA 3550 <br /> [2] All results expressed as wet weight of sample. <br /> [3] Sample was composited by equal weight prior to analysis. <br /> [4] Due to inconsistent areas for internal std. Chrysene-dl2, surr. Terphenyl-d14 <br /> & corresponding target cmpds. quanted by external std. method. <br /> 05/12/94 <br /> 0426B/10 <br /> 940419.TPH <br /> CALTEST ANALYTICAL LABORATORY CERTIFIED ENVIRONMENTAL SERVICES <br /> 1885 North Kelly Rd. * Napa,California 94558 • (707) 258-4000 * FA-X: 707-226-1001 <br />