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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http l/www mccampbell com E-mail mam@mccamphell com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 09126101-09127101 Extraction NIA_-- _- __- -Matrix - Water — <br /> Concentration ug/L %Recovery <br /> ° Compound AmountT �� RPD ` <br /> Sample M5 MSO � Spiked i�MS MSD j - <br /> SamplelD 91801 —� Instrument GC-1 <br /> Surrogate ND 1060 1090 10_O_(_)0711 106 109 28 <br /> tert-Amyl Methyl Ether ND 118 11 3 j 1000 118 113 43 <br /> Methyl Cert-Butyl Ether ND 103 103 1 1000 103 103 00 <br /> IEthyl tent-Butyl Ether ND 103 102 1000 j 103 102 10 <br /> DI-Isopropyl Ether ND 94 94 1000 94 94 00 <br /> --- ------T - -- - - - -- - - <br /> Toluene ND 96 96 -10 00 96 96 �i 00 <br /> Benzene ND 105 105 ji 10 00 105 105 00 <br />' Chlorobenzene17 <br /> ND T 9 6 9 4 1000 j 96- 94- ! - 21 <br /> Tnchloroethane ND 7 4 73 10 00 74 73 <br /> t1,1-Dlchloroethene ND 9 9 - -9 6 11 10 00 99 —96 3 1 <br />' (M5—Sanrple� <br /> Recovery= AnrounfSp+ked 100 <br /> (MS—MSD <br />' RPD= 2140 <br /> (MS+A9SD) <br /> RPD means Relative Percent Deviation <br />