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Page 17 of 21 <br /> alscience <br /> -nvironmental Quality Control - LCS/LCS Duplicate �° <br /> AM aboratories, Inc. <br /> Q ne <br /> DPRA Zymax Forensics Date Received: N/A <br /> 600 South Andreasen Drive, Suite B Work Order No: 10-08-0463 <br /> Escondido, CA 92029-1917 Preparation: EPA 5030B <br /> Method: EPA 8260B <br /> Project: 41922 / Nestle Ripon <br /> Date Date LCS/LCSD Batch <br /> Quality Control Sample ID Matrix Instrument Prepared Analyzed Number <br /> 099-14-001-1,651 Aqueous GUMS WW 08/06/10 08/07/10 1008061-02 <br /> Parameter LCS%REC LCSD%REC %REC CL ME CL RPD RPD CL Qualifiers <br /> Benzene 97 93 80-120 73-127 4 0-20 <br /> Carbon Tetrachloride 105 104 67-139 55-151 1 0-22 <br /> Chlorobenzene 98 98 80-120 73-127 1 0-20 <br /> 1,2-Dibromoethane 106 104 80-120 73-127 1 0-20 <br /> 1,2-Dichlorobenzene 94 92 79-120 72-127 3 0-20 <br /> 1,2-Dichloroethane 107 104 80-120 73-127 3 0-20 <br /> 1,1-Dichloroethene 102 102 71-125 62-134 1 0-25 <br /> Ethylbenzene 100 97 80-123 73-130 3 0-20 <br /> Toluene 96 94 80-120 73-127 2 0-20 <br /> Trichloroethene 104 101 80-120 73-127 3 0-20 <br /> Vinyl Chloride 103 99 68-140 56-152 4 0-23 <br /> Methyl-t-Butyl Ether(MTBE) 103 105 75-123 67-131 2 0-25 <br /> Total number of LCS compounds: 12 <br /> Total number of ME compounds : 0 <br /> Total number of ME compounds allowed: 1 <br /> LCS ME CL validation result: Pass <br /> RPD-Relative Percent Difference, CL-Control Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:(714) 895-5494 . FAX: (714) 894-7501 <br />