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' t 10 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> Ieh //www piccamp bell c m E-mail main@mccampbell com <br />' QC REPORT <br /> VOCs (EPA 8240/8280) <br />' Date 02121101-02122101 Matrix Water <br /> Extraction NIA <br /> 1 ! { <br /> i Concentration ug/L %Recovery <br />' Compound - jI Amount - — RPD <br /> (Sample MS MSD pied MS MSD <br /> SanlplelD 22701 Instrument GC-4 <br />' Surrogate 0 000 1010 1020 10000 101 102 10 <br /> tert-Amyl Methyl Ether I 0 000 1060 101 U 100 00 108 101 I 48 l <br />' I Methyl tert-Butyl Ether 0 000 1120 1130 10000 ! 112 113 09 <br /> Ethyi tert Butyl Ether i 0 000 960 960 I 10000 96 96 00 <br /> Di-isopropyl Ether 0 000 940 930 I 10000 94 93 1 1 <br /> Surrogate i 0 000 101 0 990 I 10000 ! 101 99 II 20 <br /> Toluene 0 000 940 930 10000 94 93 1 1 <br /> Benzene 0 000 97 0 96 0 I 10000 97 96 10 <br /> s Chiorobenzene 0 000 1000 99 0 i 10000 100 99 10 <br /> LTnchloroethane i 0 000 73 0 72 0 I 100 00 73 72 it 14 <br /> i 1,1-Dichloroethene 0 000 95 0 90 0 { 100 00 95 90 54 <br /> I <br /> I <br /> (Afs—Sample) <br /> b Re covery= Ansaundp&cd 100 <br /> (MS—MSD <br /> } RPD= 2100 <br /> (MS+MSD) <br /> RPD mea:is Relative Percent Deviation <br />