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iy lit, � <br /> Environmental Laboratories <br /> Working To Restore Nature <br /> QUALITY ASSURANCE/QUALITY CONTROL REPORT <br /> Attention Lois Frantz Date Analyzed 03-23-93 <br /> RESNA G C # 4 <br /> 1710 Main Street Matrix Soil <br /> Escalon, California 95320 <br /> Project 110200L, Project W0322 01 <br /> Ethyl Total <br /> Benzene Toluene Benzene Xylenes TPHg TPHd <br /> PPM PPM PPM PPM PPM PPM <br /> Detection Limit 0 005 0 005 0 005 0 005 1 0 1 0 <br /> Blank ND ND ND ND ND NR <br /> Standard 87 86 86 86 104 NR <br /> MS 83 81 79 81 114 NR <br /> MSD 93 91 88 89 109 NR <br /> RPD 11 4 11 6 108 941 448 NR <br /> Ppm=Parts Per million=mglkg=milligrams per kilogram <br /> ND=Not detected Compound(s)maybe presrnt at concentrations below the detection lama. <br /> NR=Analysis not requested <br /> MS=Matrix Spike <br /> MSD=Matrix Spike Duplicate <br /> RPD=Relative Percent Difference <br /> Acceptable Range <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70130% <br /> RPD c25% <br /> a <br /> March 26,1993 <br /> Laboratory Representative Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br /> 42501 Albrae Street• Fremont, CA 94538 • Phone (510) 623-0775 0 (800) 247-5223 0 FAX (510) 651-8754 <br />