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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//-,vww mccampbell co m E-mail main a mccampbell corn <br /> • QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 04/12/01-04/13/01 Matrix Soil <br /> Extraction N/A <br /> Concentration ug/kg °/4Recove� <br /> Compound Amount i ' RPD <br />' Sample MS MSD , MS MSD <br /> - - Spiked - — <br /> SamplelD 41101f Instrument GC-10 <br /> Surrogate 0 000 98 0 980 �� 100 00 �I 98 98 0o <br /> tart-Amyl Methyl Ether III 0 000 790 790 � 10000 i• 79 79 �' 00 <br /> Methyl tert-Butyl Ether 0 000 74 0 730 10000 I 74 73 14 <br />' Ethyl tert-Butyl Ether 0 000 840 830 ! 100 00 j 84 83 f 1 2 <br /> DI-isopropyl Ether f 0 000 1050 1030 10000 105 103 1 9 <br />' Toluene 0 000 960 920 10000 ij 96 92 43 <br /> Benzene 0 000 960 930 10000 I, 96 93 ' 32 <br />' • Chiorobenzene 0 000 1020 101 0 10000 i€ 102 101 1 0 II <br /> Trichloroethane ' 0 000 750 71 0 10000 75 71 55 I <br /> 1,1-Dichloroethene 0 000 870 84 0 10000 !j 87 84 i' 35 <br /> I <br /> I <br /> 1 <br /> Re covery= AmouruSprked 100 <br /> RPDAMS—MSD <br /> 2 140 <br />' (MS+MSD) <br /> RPD means Relative Percent De%iation <br />