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Spargero Analytical Laboratory Division <br /> ;pT6chwk)g_ylnc. Mobile Laboratory Divis <br /> lon <br /> Scientific DMsion <br /> ' With Automation in Mind <br /> ' EPA Method 802018015 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> ' BTEX Analysis Report <br /> Attention Mr .teff Rothgery Date Sampled Apr 23, 1996 <br /> Apex Envirotech, Inc Date Received Apr 24, 1996 <br /> 7844 Madison Ave , Ste 106 Date Analyzed May 1, 1996 <br /> Fair Oaks, CA 95628 Invoice# 6535 <br /> Iroject ID ERA02 006 Protect Name Moore Petroleum-Old Manteca <br /> Tient ID MSIMSD LAB ID 6535-003 MS <br /> 6535-003 MSD <br /> Matrix Water Dilution 11 <br /> tConc Sample MS MSD MS% MSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Iverizene 30 ppb ND 27 20 ug/L 90% 67% 30% <br /> Toluene 30 ppb ND 33 28 ug/L 110% 93% 16% <br /> lEthylberizene <br /> 30 ppb ND 33 28 ug/L 110% 93% 16% <br /> 'm,p-Xylenes 60 ppb ND 67 56 ug/L 223% 187% 18% <br /> furrogate% Recovery of Tnfluorotoluene- 100% MS 100% MSD <br /> =parts per billion=ugk=mssaprams per liter <br /> =parts per million-uplml-micoprams per milliliter <br /> =Not Detected Compound(s)may be present at concentrations below the detedwn liimA. <br /> 1 <br /> May 3, 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 L"ORATORY <br /> (Certification No 1614) <br /> 8020MSW XLS <br /> ' 3050 Fite Circle Suite 112 9 Sacramento, California 95827 (996) 362-8947 FAX(976) 362-0947 <br />