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I <br /> I <br /> f� •4 <br /> Environmental Laboratories -- r <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 /> ALTTY ASSURAN!CE-IQUALITY CONTROL REP RT <br /> 10MIabfrm <br /> Attention: Ms. Nora Katoaka Date Analyzed: 01-24-92 <br /> RESNA/Water Work G.C. #: 2 <br /> 1710 Main Street Matrix: Water <br /> Escalon, CA 95320 Site: BJJ Tracy <br /> Project. AGS 195094 W0169 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> p9h ppb PP-h Pph wh wh <br /> Detection Limit. 0.5 05 05 0.5 50 100 <br /> Blank ND ND ND ND ND ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 102 100 99 97 105 100 <br /> MS 94 92 92 89 99 85 <br /> MSD 90 88 86 83 105 108 <br /> RPD 43 44 6.7 69 5.9 23 <br /> ppb = parts per billion = ug/L = micrograms per Mer_ <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 /> A_ cceptable Range <br /> Standard 85-115%a <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> ;ZQ 2r 1 <br /> 992 <br /> Laboratory Representative Datee Reported <br /> "SNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No I211) <br />