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AM <br /> ' Environmental Laboratories rNMEW <br /> t� <br /> Working to Restore Nature <br /> 42501 Albrae Street <br /> Fremont,CA 94538 <br /> ' Phone (510)523-0775 <br /> (800)247-5223 <br /> FAX (510)651-8754 <br /> ' QUALITY ASSURANCEIQUALTTY CONTROL REPORT <br /> 10201ab.frm <br /> t Attention: Mr. Bill Channell Date Analyzed: 03-11-92 <br /> RESNA G.C. #: 2 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: AGS 19509-L, Project W0385 <br /> Etbyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Detection Limit: 0-5 0.5 05 Q 5 0 5 50 100 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % <br /> ' Standard 112 105 106 103 111 NR <br /> MS 104 93 87 73 83 NR <br /> MSD 97 90 88 80 78 NR <br /> ' RPD 7.0 3.2 1.1 9.1 6.2 NR <br /> ppb - parts per balion - ug/L - =crograms per liter <br /> ND - Not detected. Compound(s)may be present at concentrations below the detection Lout. <br /> NR - Analysts not requested. <br /> MS - Matnx Spiae <br /> MSD - Matrut Spike Duplicate <br /> ' RPD - Relatme Percent Difference <br /> Aeeeptable Range <br /> Standard 65-115° <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> Ze <br /> March 13. 1992 <br /> Laboratory Representative Dale 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 />