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' 110 2nd Ave South,#137,Pacheco, CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http Nwww mccampbell com E-mail main@mccampbell corn <br />' QC REPORT <br /> VOCs (EPA 8240/8260) <br />' Date 12109199-12110199 Matrix Water <br /> Extraction NIA <br /> 1 Concentration ug/L %Recovery <br /> Compound Amount RPD <br />' Sample MS MSD Spiked M5 MSD <br /> SamplelD 12999 Instrument GC-4 <br /> tret-Amyl Methyl Ether 0 000 1010 1030 10000 101 103 20 <br /> Methyl tret-Butyl Ether 0 000 1220 1170 10000 122 117 42 <br /> Ethyl trot-Butyl Ether 0 000 1170 1110 10000 117 111 53 <br /> Dl-isopropyl Ether 0 000 1090 1060 10000 109 106 28 <br /> Tolune 0 000 1100 1020 10000 110 102 75 <br /> Benzene 0 000 1010 1080 10000 101 108 6 7 <br /> Chlorobenzene 1 0 000 1060 970 100 00 106 97 8 9 <br /> Trichloroethane 0 000 990 990 100 00 99 99 0 0 <br /> 1,1-17lchloroethene 0 000 970 94 0 100 00 97 94 31 <br /> 1 <br /> i <br />' LfS—Sampfc� <br /> Re covery00 <br /> Z.- Spiked l <br /> MS—MSD <br /> RPD= 2100 <br />' MS+MSD) <br /> RFD means Relative Percent Deviation <br />