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Spa rger <br /> Ana! Lab <br /> T6chnoio <br /> Analytical oratory Divisionlnc. <br /> Mobile Laboratory Division <br /> With Automation in Mindgy Scientific Division <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention: Mr. Tom Landwehr <br /> Date Sampled: Sep 11, 1998 <br /> Apex Envirotech Date Received: Sep 11, 1998 <br /> 7844 Madison Ave., Ste. 106 Date Analyzed: Sep 14, 1998 <br /> Fair Oaks, CA 95628 Invoice#: <br /> 10021SEP98 <br /> Project ID: ERA02.004 Project Name: Moore Petroleum <br /> Client ID: MS/MSD (Batch) <br /> LAB ID: 10008-001 MS <br /> 10008-001 MSD <br /> Matrix. Soil <br /> Dilution 1: 1 <br /> Spike Sample MS MSD MS % MSD % % RPD <br /> QC its <br /> Analyte Added Conc. Result Result Units Recovery Recovery Recovery RPD LI%oRec <br /> Benzene 30 ND 31 30 ug/kg 103% ° <br /> 100% 3% 20 65-135 <br /> Toluene 30 ND 30 29 ug/kg 100% ° <br /> 97% 3% 20 65-135 <br /> Ethylbenzene 30 ND 30 29 ug/kg 100% <br /> 97% 3% 20 65-135 <br /> m,p-Xylenes 60 ND 57 57 u9/k9 95% <br /> 95% 0% 20 65-135 <br /> a-Xylenes 30 ND 30 30 ug/kg 100% <br /> 100% 0% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene = 110% MS <br /> 110% MSD <br /> Ppb=parts per billion=ugllSg=micrograms per kilogram <br /> PPM=parts per million=ug19=micrograms pergram <br /> NO=Not Detected. Compound(s)may be present at concentrations below the detection limit <br /> =— <br /> R.L.James,Principal Chemist Sep 15, 1998 <br /> Date Reported <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> (Certification No.1614) <br /> 8020MSS.xis <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 • (996) 362-8947 • FAX(996) 3e59-nOA7 <br />