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Page 19 of 29 <br />•,®b eu rof i n5 , Quality Control - Spike/Spike Duplicate <br />i Calscience <br />Haz Mat Trans, Inc. Date Received: 07/18/14 <br />230 E. Dumas Work Order: 14-07-1268 <br />San Bernardino, CA 92408-2226 Preparation: EPA 5030C <br />Method: EPA 8260B <br />Project: UNIFIED GROCERS - HOLDING TANK Page 4 of 4 <br />Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed MS/MSD Batch Number <br />74-07-1198-2 <br />Sample <br />Aqueous <br />GC/MS JJ <br />07/24/14 <br />07/24/14 12:48 140724S012 <br />14-07-1198-2 <br />Matrix Spike <br />Aqueous <br />GC/MS JJ <br />07/24/14 <br />07/24/14 13:18 1407245012 <br />14-07-1198-2 <br />Matrix Spike Duplicate <br />Aqueous <br />GC/MS JJ <br />07/24/14 <br />07/24/14 13:49 1407245012 <br />Parameter <br />Benzene <br />Carbon Tetrachloride <br />Chlorobenzene <br />1,2-Dibromoethane <br />1,2 -Dichlorobenzene <br />1,2-Dichloroethane <br />1,1-Dichloroethene <br />Ethylbenzene <br />Toluene <br />Trichloroethene <br />Vinyl Chloride <br />p/m-Xylene <br />o -Xylene <br />Methyl -t -Butyl Ether (MTBE) <br />Sample <br />Spike <br />MS <br />MS <br />MSD <br />MSD <br />%Rec. CL <br />RPD <br />RPD CL Qualifiers <br />Conc. <br />Added <br />Conc. <br />°oRec. <br />Cone. <br />%Rec. <br />ND <br />50.00 <br />53.76 <br />108 <br />53.88 <br />108 <br />74-122 <br />0 <br />0-21 <br />ND <br />50.00 <br />55.79 <br />112 <br />54.85 <br />110 <br />60-144 <br />2 <br />0-21 <br />ND <br />50.00 <br />51.56 <br />103 <br />51.51 <br />103 <br />73-120 <br />0 <br />0-22 <br />ND <br />50.00 <br />52.48 <br />105 <br />51.29 <br />103 <br />80-122 <br />2 <br />0-20 <br />ND <br />50.00 <br />49.49 <br />99 <br />50.92 <br />102 <br />70-120 <br />3 <br />0-26 <br />ND <br />50.00 <br />56.20 <br />112 <br />53.75 <br />107 <br />64-142 <br />4 <br />0-20 <br />ND <br />50.00 <br />54.54 <br />109 <br />53.52 <br />107 <br />52-136 <br />2 <br />0-21 <br />ND <br />50.00 <br />51.05 <br />102 <br />51.75 <br />103 <br />77-125 <br />1 <br />0-24 <br />ND <br />50.00 <br />56.38 <br />113 <br />55.72 <br />111 <br />72-126 <br />1 <br />0-23 <br />20.42 <br />50.00 <br />74.60 <br />108 <br />72.26 <br />104 <br />74-128 <br />3 <br />0-22 <br />ND <br />50.00 <br />51.59 <br />103 <br />55.04 <br />110 <br />67-133 <br />6 <br />0-20 <br />ND <br />100.0 <br />108.9 <br />109 <br />109.3 <br />109 <br />63-129 <br />0 <br />0-25 <br />ND <br />50.00 <br />56.20 <br />112 <br />56.16 <br />112 <br />62-128 <br />0 <br />0-24 <br />ND <br />50.00 <br />42.48 <br />85 <br />43.08 <br />86 <br />68-134 <br />1 <br />0-21 <br />SEP 19 2014 <br />ENVIRONMENTAL HEALTH <br />DEPARTMENT <br />RPD: Relative Percent Difference. CL: Control Limits <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 <br />