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i <br /> • Environmental Laboratories ___ JKMACAX=�—A� <br /> i Working To Restore Nature <br /> QUALITY ASSURANCEIQUALM CONTROL REPORT <br /> 10201ah frm <br /> Attention Mr Eric Holm Date Analyzed 08-21-92 <br /> RESNA GC # 2 <br /> 3164 Gold Camp Dr , Ste 200 Matrix Water <br /> Rancho Cordova, CA 95670 <br />! Project 38032 09, Unocal Stockton <br /> Ethyl- Total <br /> Benzene Toluene benzene Xvlenes TPHg <br /> r � Vpb kph DL <br /> Detection Limit 05 0 5 05 05 50 <br /> Blank ND ND ND ND ND <br /> • Ethyl- Total <br />! Benzene Toluene benzene Xylenes TPHg <br /> Standard 92 104 108 105 93 <br />! MS 87 88 90 89 73 <br /> MSD 83 82 83 83 84 <br /> RPD 471 706 809 698 115 <br /> r <br /> ppb = parts per billion = ug/L = micrograms per liter <br /> ND = Not detected Compound(s) may be present at concentrations below the detection limit <br /> NR = Analvsis not requested <br /> VIS = Matrix Spike <br /> 'ASD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> lccentahle Ranze_ <br /> Standard 55-115c7c <br /> Blank ND <br /> %IS/N,SSD -0-130clo <br /> 1%PD <25`'0 <br /> august 26,_1992 <br /> Laboratory Representative Date Reported <br /> RESNA 13,MRONMLNTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br />` DEPARTIIIEVT OF HEALTH SERVICES AS A HA2ARDOLS WASTE TESTING LABORATORY <br /> (Cartitication No 1211) <br /> -2501 \Ibrae street • F-emont C=-\ 94538 • Phone X5101 623 07-5 • 8001 247-3223 0 P-\0 :i 01 651 A-5-. <br />