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{ <br /> f <br /> Page 8 of 18 <br /> alscience - <br /> Environmental Quality Control - Spike/Spike Duplicate ' :.. <br /> Laboratories, Inc. . <br /> Shell Oil Pipeline Company LP Date Received: 07/29/09 <br /> P.O. Box 2648 Work Order No: 09-07-2287 <br /> Houston,TX 77252-2648 Preparation: EPA 50308 <br /> Method: EPA 82608 <br /> Project 25705 Patterson Pass Road, Tracy, CA <br /> Date Date MS/MSD Batch <br /> Quality Control Sample ID Matrix Instrument Prepared Analyzed Number <br /> 09-08-0 61 7 '77777-777.-, Sollii GCIMS JJ 08105109 08105/89 :. 0.90805so4 <br /> f <br /> Parameter MS%REC MSD%REC %REC Cl. RPD RPD CL rQualifiers l <br /> Benzene 85 77 79-115 10 0-13 3 � <br /> Carbon Tetrachloride 88 70 555-139 22 0-15 4 <br /> Chlorobenzene 90 88 79-115 2 0-17 �I <br /> 1,2-Dibromoethane 85 . 92 70-130 :8 0-30 <br /> 1,2-Dichlorobenzene 97 89 63423 8 0-23 <br /> 1,1-Dichloroathene 92 BO 69423 15 0-16 <br /> Ethylbenzene 91 82 70430 10 0-30 <br /> Toluene 87 76 79-115 14 0-15 3 <br /> Trichloroethene 89 . 79 66-144 12 0-14 <br /> Vinyl Chloride 98 93 60426 5 0=14 <br /> Methyl-t-Butyl Ether(MTBE) 93 86 68428 B 0-14 <br /> Tert-Butyl Alcohol(TBA) 111 124 44-134 12 0-37 <br /> Diisopropyl Ether(RIPE) 95 67 75-123 9 0-12 I <br /> Ethyl-t-Butyl Ether(ETRE) 93 85 75-117 8 0-12 <br /> Tert-Amyl-Methy4 Ether(TAME) 88 83 79-115 5 0-12 <br /> Ethanol 54 55 42-138 1 0-28 <br /> s <br /> k <br /> kyY <br /> Y <br /> RPD-RetalNe Percent Difference, CL-Control Limit <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 . TEL:{714)895-5494 • FAX: (714)894-7501 <br />