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Matrix Spike M$D = Matrix Spike Duplicate <br />ON a Acceptable Range RPO a RettitiVe Paton* bifferancm <br />NatriA = Laboratory Blank Uater <br />MAV c Maximum acceptable Value <br />homas •nen, M.S <br />uality Assurance 0 <br />OCT-07-1393 08:48 FROM FA_ EWIRONMENTAL TO 4840138 P.02 <br />ENVIRONMENTAL <br />ANALYTICAL CHEMISTS <br />October 4, 1993 <br />San Joaquin County Health Dept <br />P.O. Box 2009 <br />Stockton , CA 95201 <br />QA/QC ID* 930929 8240-20IA <br />RE: Organic Analysis <br />Extracted: N/A <br />Analyzed : September 29, 1993 <br />FGL Environmental Quality Assurance Report <br />Teti fiERIOD 8z4Q <br />CONC. <br />SPIKED <br />ACCURACY <br />% RECOVERED <br />PRECISION <br />% DIFFERENCE <br />CONSTITUENT ughL MS MSD AR RPD MAV <br />1,1-Dichloroethylene 10.0 112 98 D-235 13.3 50.0 <br />Benzene 10.0 109 100 37-151 8.6 50.0 <br />Trichlorethylene , 10.0 103 96 71-157 7.0 50.0 <br />Chlorobenzene 10.0 107 99 37-160 7.8 50.0 <br />FGL ENVIRONMENTAL <br />remnokMkaus4aWispa <br />P.O. sox 272 I B53 (Xorporaticn eltoot <br />SargaINBALCA9306142272 <br />TR-MWA4o4Nain <br />OittatatiattinAM, <br />25C0 Stagocoach Maud <br />Stockton, CA 'MI6 <br />Ett*LIWTAP. <br />CalttotrAl <br />TGL: (209) 73494 n <br />vark311-11k.R271