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a <br /> EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 0 <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> ANALYSIS REPORT - - - <br /> Attention Mr Todd Brown Date Sampled 04-16-97 <br /> Secor Date Received 04-18-97 <br /> 1390 Willowpass Road, Suite 360 BTEX Analyzed 04-24,25-97 <br /> Concord, CA 94520 TPHg Analyzed 04-24,25-97 <br /> Project J0710-001-01/Time Oil -Locke Ford Matrix Water <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg <br /> PPB PPS PPB PPB PPB <br /> Reporting Liriut 05 05 05 05 50 <br /> SAMPLE <br /> L.aborator� Idenitfication <br /> MW-8 2 7 ND ND ND ND <br /> W0497177 <br /> NiW-9 94 06 14 42 95 <br /> WO_497.178 <br /> MW-10 ND ND ND ND ND <br /> W0497179 <br /> Mtv-11 194 13 29 79 189 <br /> W0497180 <br /> Trip Blank ND ND ND ND ND <br /> W0497181 <br /> pph=Paris per billion=ug/L micrograms per liter <br /> ND=Not detected Compound(s)maybe present at concentrations below the reporting limit <br /> ANALYTICAL.PROCEDURES <br /> BTEX— Benzene, toluene ethylbenzene and total xylene isomers (BTEX) are analyzed by using EPA Method 602 which utilizes a gas <br /> cluornatograph(GC)equipped with a photozontzation detector(PID) <br /> TPHg—Tota]petroleum hydrocarbons as gasoline(to%%-to medium boiling points)arc analyzed by using modified EPA Method 8015,wiiich utilizes a <br /> GC equipped with an FID <br /> 04-29-97 <br /> Ooratory presentative Date Reported 0 <br />