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I110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> MCCA M?BELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell corn E-mail mam n mccampbell cam j <br /> Ij <br /> i <br /> QC REPORT <br /> VOCs {EPA 8240/8260) <br /> � 8260 <br /> Date 10/05/01-10/06/01 Extraction EPA 5030 Matnx Water <br /> Concentration ug/L r %Recovery <br /> Compound Amount } RPD <br /> Sample MS MSD Spiked MS MSD <br /> Samplell] 92801 Instrument GC-10 <br /> Surrogate ND 960 960 100 00 96 96 I 00 <br /> tert-Amyl Methyt Ether ND 101 99 1000 101 99 20 ;E <br /> Methyl tert-Butyl Ether ND 107 105 1000 L 107T 105 19 <br /> Ethyl tent-Butyl Ether ND 103 102 1000 �� 103 102 <br /> 10 <br /> Di-isopropyl Ether 1 ND 102 101 10 00 102 101 10 <br /> Toluene ND 98 100 '! 10 00 98 100 <br /> 20 <br /> Benzene ND 107 108 1000 107 108 0 9 <br /> Chlorobenzene ND 104 106 1000 104 106 1 9 <br /> i <br /> Tnchloroethane ND 8 4 8 3 1000 84 83 1 2 i <br /> 1,1-Dichloroethene ND 9 6 9 4 i 1000 96 94 21 111 <br /> i <br /> i <br /> (1415—Sample} <br /> %Re covert'= AmauruSprked 100 <br /> (AE—AED) <br /> RPD= 2100 <br /> (h2S+h2SD) <br /> RPD means Relative Percent Deviation <br />