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Sparger 0 Analytical Laboratory Division <br /> . Mobile Laboratory Dmsion <br /> JTeehnolo y Inc Scientific Division <br /> With Automohon in Mind <br /> EPA Method 8260 GCMS <br /> Matrix Spike (MS) and Matrix Duplicate Spike (MSD) <br /> Attention Mr Jeff Rothgery Date Sampled Sep 18, 1996 <br /> Apex Envirotech, Inc Date Received Sep 18, 1996 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Oct 3, 1996 <br /> Fair Oaks, CA 95628 Invoice# 7006 <br /> Project# ERA02 009 Project Name Moore Petroleum <br /> Client ID MS/MSD (Batch) LAB ID 7020-031 MS <br /> 7020-031 MSD <br /> Matrix Water Dilution <br /> UNITS = ug/I <br /> Sample Spike MS MSD QC Limits <br /> Compound Conc Added MS MSD % Rec % Rec RPD RPD % Rec <br /> 1,1-Dichloroethene ND 50 31 32 62% 64% 3% 20 61-145 <br /> Benzene ND 50 36 35 72% 70% 3% 20 76-127 <br /> Trichloroethene ND 50 36 33 72% 66% 9% 20 71-120 <br /> Toluene ND 50 54 57 108% 114% 5% 20 76-125 <br /> Chlorobenzene ND 50 35 35 70% 70% 0% 20 75-130 <br /> ppb=parts per billion=ug/1=micrograms per liter <br /> ppm=parts per million-ugtml==rograms per milliliter <br /> ND=Not Detected Compound(s)maybe present at concentrations below the detection Limit <br /> Oct 11, 1996 <br /> R L James, Principal Chemist Date Reported <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 /> (Ceriftauon No 1614) <br /> 8260MSW XLS <br /> :irir(vnf, - m (996) 36.2-8947 a FAX (996) 362-094" <br />