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I 310 2nd Ave South,#D7,Pacheco, CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC 'Telephone: 925-798-1620 Fax 925-798-1622 <br /> hhi_//www mgcamp ell.com E-mail mamQmccampbell com <br /> • QC REPORT <br /> I VOCs (EPA 824018260) <br /> Date 04103101-04104101 Matnx Water <br /> Extraction NIA <br /> I Concentration ug11, %Recovery <br /> Compound Amount RPSD ' <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 33001 Instrument GC-10 <br /> Surrogate 0 000 950 950 100 00 95 95 00 <br /> ter#-Amyl Methyl Ether 0 000 840 860 10000 84 86 24 <br /> Methyl tert-Butyl Ether 0 000 810 830 10000 81 83 24 <br /> Ethyl tert-Butyl Ether 0 000 880 91 0 10000 88 91 34 <br /> Dt-isopropyl Ether 0 000 1040 1090 10000 i 104 109 47 <br /> IToluene 0 000 900 960 10000 90 96 65 E� <br /> Benzene 0 000 930 1000 10000 93 100 i 7 3 <br /> Chlorobenzene 0 000 95 0 1010 10000 95 101 61 <br />' Trichloroethane 0 000 720 760 10000 72 76 54 <br /> 1,1-Dichloroethene 0 000 840 880 I 10000 84 88 4 77 <br /> I <br /> 1 <br /> I <br />' (MS—Sample j <br /> %Re cavery= 100 <br /> .tmountSptked <br /> (MS—MSD <br /> RPD= 2 100 <br />' (,W3+MSD) <br /> RPD means Relauve Percent Deveanon <br />