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Environmental Laboratories-- ��v� <br /> A tea•—i <br /> r W—_AMAW% <br /> Working To Restore Nature <br /> QUALM ASSURANCEIQUALITY CONTROL REPORT <br /> 10201ab.frm <br /> Attention: Mr. Greg Stahl Date Analyzed: 07-28-92 <br /> RESNA G.C. #: 4 <br /> 1710 Main St. Matrix: Soil <br /> Escaion , CA 95320 <br /> Project: AGS 19509L, W0195 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> DAM- 2P-M- p)7rn ppm RPM pnm <br /> Detection Limit: 0.005 0.005 0.005 0.005 lA 1.0 <br /> Blank ND ND ND ND NR ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 113 108 105 98 NR 104 <br /> MS 85 82 81 77 NR 122 <br /> MSD 84 81 80 76 NR 121 <br /> RPD 1.18 1.23 1.24 1.31 NR 0.82 <br /> ppm = parts per million = mg/kg= milligrams per kilograms <br /> ND = Not detected. Compound(s) may be present at concentrations below the detection limit. <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 70-130% <br /> RPD x25% <br /> I1 <br /> =: _ Au tst 13 1992 <br /> Laboratory R presentative <br /> Date Reported <br /> RESNA ENVIRONIVENCAL LABORA'T'ORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No. 1211) <br /> 42507 Albrae Street • Fremont, CA 94538 • Phone: (510) 623-0775 • (800) 247-5223 • FAX: (510) 651-8754 <br />