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r <br /> Environmental Laboratories <br /> Working To Restore Nature <br /> ' QUALEff ASSURANCEIQUALITY CONTROL REP RT <br /> I=1abA= <br /> Attention: Mr. Greg Stahl Date Analyzed: 05-11-92 <br /> RESNA G.C. #: 3 <br /> . 1710 Main Street Matrix: Soil <br /> Escalon, CA 95320 <br /> Protect: AGS 195091, W0190 <br /> ' Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ' P.11-m Rim vvm PIIM— RUMM P= <br /> Detection Limit: 0.005 0.005 0.005 0.005 1.0 10 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % <br /> ' Standard 93 93 92 92 101 NR <br /> MS 82 81 78 80 90 NR <br /> ' MSD 83 84 80 83 87 NR <br /> ' RPD 1.2 36 2.5 3.7 3.4 NR <br /> ppm - parts per million i mg/kg* milligrams per Mc grams <br /> ND - Not detected Compounds)may be present at concentrations below the detection limit <br /> NR - Analysts not requested. <br /> MS - Matrix Spike <br /> MSD - Matnx Spike Duplicate <br /> RPD - Relative Percent Dtfference <br /> Acceptable Range <br /> Standard 85`115% <br /> Blank ND <br /> ' MS/MSD 70-130% <br /> RPD <25% <br /> My 13, 1 <br /> Laboratory Representative Date Reported <br /> RESNA ENVIRONMENTAL L430RATORY IS CERTIFIE=D 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 0 Phone (510) 623-0775 • (800) 247-5223 • FAX (510) 651-8754 <br />