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n <br /> Environmental Laboratories -_ ... ��v� <br /> M"n�a <br /> Working To Restore Nature <br /> QUALM ASSURANCEIQUALITY CONTROL REPORT <br /> 1020Iab frm <br /> Attention- Mr. Greg Stahl Date Analyzed: 01-26-93 <br /> RESNA GC- #: 1 <br /> 1710 Main St Matrix: Water <br /> Escalon, CA 95320 <br /> Project 11020 OL, Project W0288.00 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> I)pb Wb2P b Rpb W <br /> Detection Lieut: 05 0.5 0.5 05 50 50 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> i <br /> Standard 100 101 102 102 110 NR <br /> MS 87 86 88 84 95 NR <br /> MSD 92 87 87 85 92 NR <br /> RPD 5.59 116 1.14 118 3.21 NR <br /> ppb = parts per billion = ug/L = micrograms per liter <br /> ND = Not detected Compound(s)may be present at concentrations below the detection timet <br /> NR = Analysis not requested <br /> MS = Matnx Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> Acceptable Range <br /> Standard 85415% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> Mrs <br /> �+ February 1, 1993 „ <br /> Laboratory Repres tatrve Date Reported <br /> RESNA ENVIRONWENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br /> 42501 Albrae Street 0 Fremont, CA 94538 • Phone (510) 623-0775 • (800) 247-5223 • FAX (510) 651-8754 <br />