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Environments! Laboratories �.:N� <br /> Working to Restore Nature <br /> ' 42501 Albrae Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> (800)247-5223 <br /> ' FAX (510)651-8754 <br /> QUALITY ASSURANCE1,OUALITY C0NTROL REPORT <br /> ' <br /> Attention. Mr. John Lane Date Analyzed: 03-03-92 10201ab frm <br /> ' RESNA/Waterwork G.0 #: 4 <br /> 1710 Main Street Matrix: Soil <br /> Escalon, CA 95320 Site- Laidlaw <br /> ' Project: AGS 195091, W0294 <br /> - Ethyl- Total <br /> ' Benzene Toluene benzene Xylenes TPHg TPHd <br /> PT—M pUm Ppm PP—M DDIn RPM <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 /> ' Standard 93 92 84 90 106 NR <br /> MS 94 89 85 85 95 NR <br /> MSD 87 82 78 79 78 NR <br /> ' RPD 7.7 8.2 8 6 7.3 20 NR <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 Rani?e <br /> Standard 85-115% <br /> ' Blank ND <br /> MS/MSD 70-130% <br /> RPD c 259!0 <br /> March 6. 1992 <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 />