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./ .. �- _ _ -. _ t '.rs---• !` �,;.. r'4".s�a'_.ci w. s::x a.._r w..u., <br /> I110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> IhtM.Uvam.mccamnbell com E-mail mam@mccamphell com <br />' QC REPORT <br /> VOCs (EPA 824018260) <br />' Date 12/15/99-12/16/99 Matnx Water <br /> Extraction NIA <br /> Concentration ug/L %Recovery <br />' Compound Sample Amount MS MSD RPD <br /> MS MSD Spiked <br /> SamplelD 26937 Instrument GC-4 <br /> rtret-Amyl Methyl Ether 0 000 870 850 1 10000 87 85 I 23 <br /> Methyl tret-Butyl Ether 0 000 920 930 10000 92 93 1 1 <br />' Ethyl tret-Butyl Ether 0 000 980 1020 10000 98 102 40 II <br /> DI-Isopropyl Ether 0 000 1040 1100 10000 104 1:0 56 <br />' Tolune 0 000 1160 1010 10000 116 101 138 ' <br /> Benzene i 0 000 1200 10,50 10000 120 105 13 3 <br /> lieChlorobenzene 0 000 1240 1240 10000 124 124 0 0 <br /> Trichloroethane 0 000 1000 890 10000 100 89 11 6 <br /> 1,1-Dlchloroethene 0 000 96 0 83 0 10000 96 83 14 5 <br /> I <br /> I <br /> 1 <br /> 1 (h!S-Sample <br /> �LRecovery= 00 <br /> ,lmountsprked l <br /> RPD.(MS-MSD) 2 100 <br /> (hfS.MSD) <br /> RPD means Relauve Percent Devrauon <br />