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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 /> hitp//www mccampbe€l.com E-mail main@mccampbell com <br /> i <br />' QC REPORT <br /> VOCs (EPA 824018260) <br />' Date 06125/01-06126/01 Extraction EPA 5030 Nlatnx Water <br /> Concentrat:on ug/L %Recovery <br /> Compound Amount RPD E <br />' Sample MS MSD Spiked M5 MSD <br /> Samp&Q. 62501 Instrument: GC-4 <br />' Surrogate ND 1020 1040 10000 102 104 19 <br /> t tert-Amyl Methyl Ether ND 95 95 1000 95 95 � 00 <br /> Methyl tert-Butyl Ether I ND 93 93 1000 93 93 00 <br />' Ethyl tert Butyl Ether ND 99 99 1000 99 99 00 <br /> Di-isopropyl Ether NO 103 103 1000 103 103 1 00 ' <br />' Toluene ND 100 99 1000 100 99 I 1 0 <br /> Benzene ND 9 6 95 i 10 00 96 95 <br /> l <br /> Chlorobenzene ND 9 6 95 1000 96 95 10 <br /> Tnchloroethane ND 8 4 83 1000 84 83 12 <br /> I 1-Dichloroethene ND 8 7 8 7 1000 87 87 00 <br /> 1 <br /> I <br />' (MS—Sample)%Recovery= Amovndpiked 100 <br /> MS--MSD <br />' xpn zloo <br /> MS+MSD <br /> RPD means Relative Pement Deviation <br />