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* Environmental Lafboratories— 16 <br /> Working To Restore Mature <br /> 17062 Murphy Avenue <br /> Irvine, CA 92714-5914 <br /> Phone (714) 851-1544 <br /> Fax (714) 851-2217 <br /> IIALITY ASSURANCE 11iALITY CONTROL REPORT <br /> Attention:Nora Katoaka Date Analyzed: 01-13-92 <br /> RESNA Industries Matrix: Water <br /> 1710 Main Street Site: <br /> Escalon, CA 95320 <br /> Project: W0322 <br /> Ethyl- Total <br /> Benzene Toluene bernzerie Xylenes T" TPHd <br /> Detection limit � ppb <br /> Ops ppb <br /> 5 50 1p 0 <br /> Blank ND ND ND ND ND ND <br /> Ethyl- Total <br /> Benzew roluene benzene xylenes TPHO TPHd <br /> x % x x x % <br /> Standard 97 94 94 94 99 NR <br /> MS 100 95 93 94 98 NR <br /> MSD 94 90 89 86 86 NR <br /> RPD 6.2 5.9 4.9 9.1 13 . 5 NR <br /> ppb = parts per billion = ug/L micorgrams per liter. <br /> No = Hot detected. Compound(s) may be present at concentrations below the detection timit <br /> NR = Analysis not requested <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Retative Percent Difference <br /> Acceptable Range <br /> Standard 85-115% <br /> Blank ND <br /> MS/KSD 70-130% <br /> RPP <25X <br />