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Environmental Laboratories <br /> r,y Working to Restore Nature <br /> 42501 Albrac Street <br /> Fremont,CA 94538 <br /> Phone:(510)623-0775 <br /> (800)247-5223 <br /> FAX:(510)651-8754 <br /> QUALM ASSURAANCE f QUALITY CONTROL REPQRT <br /> 10VUb.frm <br /> Attention: Ms. Tina LePage Date Analyzed: 02-21-92 <br /> RESNA G.C. #: 2 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: AGS 19509-I NV0475 <br /> Weber Point <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> 2 Pte? Mh R2l2 RRh wh <br /> Detection Limit: 0S 0.5 0.5 0.5 50 100 = <br /> Blank ND ND ND ND ND NR <br /> `-� Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> 3 Standard 101 103 102 "04 106 NR <br /> MS 101 98 97 90 106 NR <br /> MSD 104 100 98 90 112 NR <br /> RPD 2.9 2.0 1.0 0 5.5 NR <br /> ppb-parts per billion ug/L-micrograms per titer. <br /> lr a ND-Not detected- Compound(s)may be present at mr^entrations below the detcction limit <br /> i NR-Analysis not requested. <br /> MS-Matrix Spike <br /> MSD-Matrix Spike riuplicate <br /> RPD-Relative Percent Difference <br /> Aeteotahle RanFc <br /> .._....... ---55-115'x'0 <br /> Blank ND <br /> MS/MSD 70-130°0 <br /> RPD <2550 <br /> (L, _ February 26.I992' <br /> Laboratory Representative Date Reported <br /> - J <br /> RE:SNA ENYIRON'MEhTAL LABORATORY 1S CERTIFIED By THE SLATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.1211) <br /> i <br />