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ENWROHMENTAL <br /> TJune25, <br /> CAL (CHZMRS S993 QA/QC ID# 930622 502 2-301A <br /> Cecchini, Cecchxni & Gxovannoni RE Organic Analysis <br /> 3000 East 19th Street <br /> Anitoch , CA 94509 ' Extracted: N/A <br /> Analyzed June 22, 1993 <br /> FG L. IEIInvi ro nr enW Qw-flaty Assurance Report <br /> EPA METHOD 502.2 <br /> CONC ACCURACY PRECISION <br /> SPIKED !k RECOVERED $ DIFFERENCE <br /> CONSTITUENT ug/L MS MSD AR RPD MAV <br /> Chlorobenzene 5 .0 111 105 37-160 6.0 30.0 <br /> 1,3-Dichlorobenzene 5 .0 113 113 50-150 0.0 30.0 <br /> 1,4-Dichlorobenzene 5.0 123 129 50-150 n/a 30.0 <br /> 1,2-Dichloroethane 5.0 85 106 49-155 n/a 30.0 <br /> trans-1,2-Dichloroethylene 5.0 103 107 54-156 n/a 30.0 <br /> 1,2-Dichloropropane 5 .0 123 99 D-210 22.0 30.0 <br /> Ethyl Benzene 5 .0 105 105 37-162 0.0 30.0 <br /> Tetrachloroethylene 5 .0 110 105 64-148 5.0 30.0 <br /> 1,1,2-Trichloroethane 5 .0 117 127 52-150 n/a 30.0 <br /> MS = Matrix Spike MSD = Matrix Spike Duplicate Matrix = Laboratory Blank Water <br /> AR = Acceptable Range RPD = Relative Percent Difference MAV = Maxttiiinii Acceptable Value <br /> F'GL ENVIRONMENTAL <br /> ma <br /> Thomas Bartanen, M.S <br /> Quality Assurance Officer <br /> Iml <br /> C-wZ9 Offre Latkpratory Office& Laboratory Field Offrre <br /> P O Box 272!853 Corporation Street ?500 Si igeco is,R,,,, '/is-il i ( ildptni <br /> Santa Paula CA 93061 0272 Slocklon CA')'),I , IR {2001 73' 'a t-b <br /> TEL (805)659 09 10 Trt (YO`)t R 2— Niohdo (20).7 48 <br />