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Environmental Laboratories - JFAKWPIA <br /> Working to Restore Nature <br /> ' 42501 Albrac Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> (900)247-5223 <br /> FAX (510)651-8754 <br /> QUALITY ASSURANCE/QUALITY CONTROL REPORT <br /> ' Attention: Mr. John Lane Date Anal ed: 03-05-92 <br /> 10201ab frm <br /> yz <br /> RESNA G.C. #. 2 <br /> ' 1710 Main St Matrix: Water <br /> Escalon, CA 95320 <br /> Project AGS 19509-1 , Project W0596 <br /> ' Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> wh ppb VVb ppb pah ppb <br /> ' Detection Limit. 0.5 05 0.5 05 50 100 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> Standard 94 97 93 98 110 NR <br /> ' MS 104 105 101 306 112 NR <br /> ' MSD 103 103 99 104 117 NR <br /> RPD 10 1.9 2.0 1.9 44 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 limit <br /> NR = Analysis not requested <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> Acceptable Ranee <br /> ' Standard 95-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> March 11, 1992 <br /> Laboratory Representative Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br />