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Spargero Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> Technobgy Inc. Scientfic Division <br /> With Automotion in Mind <br /> 8020/8015 Modified Analysis Report <br /> Attention: Mr. John Cummings Date Sampled: Oct 27, 1993 <br /> John P. Cummings & Associates Date Received: Oct 28, 1993 <br /> P.O. Box 2847 Date Analyzed: Nov 1, 1993 BTEX <br /> Fremont, CA 94536-2847 Date Analyzed: Nov 2, 1993 TPHdiesel <br /> Project #: Project Name: Hess - Stockton <br /> Client ID: MW-3-46' LAB ID: ST93-1 0-1 080A BTEX <br /> ST93-10-1081A TPHdiesei <br /> Matrix: Soil Dilution: 1:100 BTEX <br /> Detection <br /> Name Amount Limit Units <br /> Benzene NO 0.50 ug/g <br /> Toluene 0.52 0.50 ug/g <br /> Ethylbenzene 0.72 0.50 ug/g <br /> Xylenes 3.0 0.50 ug/g <br /> TPHdiesel NO ' 1.0 ug/g <br /> Surrogate % Recovery of Trifluorotoluene = 87% <br /> Ppb i parts Per billion. uglkg -micrograms per kilogram 1111• <br /> ppm.parer Per million=ug/0 microgrrm pr grain . <br /> ND —Not Detected. Compound(s)may be PrMant at cor cw0atlorr below the detection limit. <br /> NR —Analysis not requested. , <br /> " Kerosene was detected at 35 ppm. <br /> Nov 2, 1993 <br /> R. L. James, Principal Chemist Date <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> ICertilicstion No,16141 <br /> 3050 Fite Circle, Suite 112 • Socromento, California 95827 • (946) 362-8947 • FAX(946) 362-0947 <br />