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Page 18 of 29 <br />%,w e u rof I nS Quality Control - Spike/Spike Duplicate <br />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 3 of 4 <br />Quality Control Sample ID <br />Type <br />Matrix <br />Instrument <br />Date Prepared <br />Date Analyzed MS/MSD Batch Number <br />HOLDING TANK <br />Sample <br />Aqueous <br />GC/MS R <br />07/21/14 <br />07/22/14 04:34 140721SO25 <br />HOLDING TANK <br />Matrix Spike <br />Aqueous <br />GC/MS R <br />07/21/14 <br />07/22/14 05:01 1407215025 <br />HOLDING TANK <br />Matrix Spike Duplicate <br />Aqueous <br />GC/MS R <br />07/21/14 <br />07/22/14 05:28 1407215025 <br />Parameter <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 />%Rec. <br />-on c. <br />% -Re c. <br />Benzene <br />1.866 <br />50.00 <br />52.53 <br />101 <br />43.40 <br />83 <br />74-122 <br />19 <br />0-21 <br />Carbon Tetrachloride <br />ND <br />50.00 <br />46.51 <br />93 <br />38.77 <br />78 <br />60-144 <br />18 <br />0-21 <br />Chlorobenzene <br />ND <br />50.00 <br />50.48 <br />101 <br />42.84 <br />86 <br />73-120 <br />16 <br />0-22 <br />1,2-Dibromoethane <br />ND <br />50.00 <br />50.66 <br />101 <br />42.19 <br />84 <br />80-122 <br />18 <br />0-20 <br />1,2 -Dichlorobenzene <br />ND <br />50.00 <br />49.29 <br />99 <br />41.46 <br />83 <br />70-120 <br />17 <br />0-26 <br />1,2-Dichloroethane <br />ND <br />50.00 <br />48.88 <br />98 <br />40.54 <br />81 <br />64-142 <br />19 <br />0-20 <br />1,1-Dichloroethene <br />ND <br />50.00 <br />52.95 <br />106 <br />41.26 <br />83 <br />52-136 <br />25 <br />0-21 4 <br />Ethylbenzene <br />4.162 <br />50.00 <br />54.70 <br />101 <br />44.68 <br />81 <br />77-125 <br />20 <br />0-24 <br />Toluene <br />16.21 <br />50.00 <br />67.49 <br />103 <br />54.91 <br />77 <br />72-126 <br />21 <br />0-23 <br />Trichloroethene <br />ND <br />50.00 <br />48.55 <br />97 <br />39.14 <br />78 <br />74-128 <br />21 <br />0-22 <br />Vinyl Chloride <br />ND <br />50.00 <br />50.57 <br />101 <br />41.28 <br />83 <br />67-133 <br />20 <br />0-20 <br />p/m-Xylene <br />14.60 <br />100.0 <br />120.3 <br />106 <br />97.03 <br />82 <br />63-129 <br />21 <br />0-25 <br />o -Xylene <br />10.59 <br />50.00 <br />66.25 <br />111 <br />54.04 <br />87 <br />62-128 <br />20 <br />0-24 <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />50.00 <br />49.02 <br />98 <br />41.51 <br />83 <br />68-134 <br />17 <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 />